diff --git a/.htaccess b/.htaccess
deleted file mode 100644
index 63f2d88..0000000
--- a/.htaccess
+++ /dev/null
@@ -1 +0,0 @@
-# Please fill in the URLrewrite rules or custom Apache config here
diff --git a/docs/protocol.md b/docs/protocol.md
deleted file mode 100644
index 6731334..0000000
--- a/docs/protocol.md
+++ /dev/null
@@ -1,93 +0,0 @@
-# Namespace
-
-## Auth
-
-### auth/public:
-- Eşleşme gerekmez, herkese açık hale getirir
-- İşlem bittiğinde success değeri verirr
-
-### auth/private
-Eşleşme gerekir, biri size mesaj göndermek için onay alması gerekir
-Onaylandığında success gönder
-
-### request/pair
-- private bir eşe onay isteği gönderirsiniz, eşe bildirim gider
-- Client online değilse fail CLIENT-NOT-FOUND mesajı döner
-- Zaten kabul etmişse success ALREADY-PAIRED mesajı döner
-- Zaten onay isteği göndermişseniz fail ALREADY-REQUESTED mesajı döner
-- Gönderildiğinde success REQUESTED mesajı döner
-- Eş isteğe herhangi bir cevap dönerse request/pair veya rejected/pair tetiklenir ve from değerleriyle kim oldukları bildirilir
-
-### accept/pair
-- Uzak eşin onay isteğine onay verirsiniz
-
-### accept/pair
-- Uzak eşin onay isteğine onay verirsiniz
-
-### reject/pair
-- Uzak eşin isteğini reddedersiniz
-
-### pair/list
-- Erişebileceğiniz private eşlerin ve sizinle etkileşime giren eşlerin
-listesini verir
-
-### auth/login
-- saQut Account hesabıyla ilgili ön tanımlı hızlı işlem yapar
-
-### auth/check
-- saQut Account hesabıyla ilgili ön tanımlı hızlı işlem yapar
-
-### auth/logout
-- saQut Account hesabıyla ilgili ön tanımlı hızlı işlem yapar
-
-## Room
-
-### myroom-info
-
-Kendinize özel açılan odanın bilgisini verir
-
-### room-peers
-
-İçerisinde bulunduğunuz odanın içerisinde bulunan eşlerin listesini verir
-
-### room-info
-
-İçerisinde bulunduğunuz odanın bilgisini verir
-
-### joinedrooms
-
-Katıldığınız odaların listesini verir
-
-### closeroom
-
-Sahibi olduğunuz odayı kapatır
-
-### create-room
-
-Yeni bir oda oluşturur
-
-### joinroom
-
-Bir odaya katılır veya sahibine katılma isteği gönderirsiniz
-
-### accept/invite-room
-
-Gizli bir odaya katılma isteği gödneren kişiyi odaya kabul edersiniz
-
-### reject/invite-room
-
-Gizli bir odaya katılma isteği gödneren kişiyi reddedersiniz
-
-### room/list
-
-Herkese açık olan tüm odaları listeler
-
-## Data transfer
-
-### pack/to
-
-Diğer eşe bir paket gönderir
-
-### pack/room
-
-Bir odaya katılmış tüm üyelere, oda üzerinden bir mesaj gönderir
\ No newline at end of file
diff --git a/docs/readme.md b/docs/readme.md
deleted file mode 100644
index ec6a45e..0000000
--- a/docs/readme.md
+++ /dev/null
@@ -1,91 +0,0 @@
-## Kurulum
-
-### Proje ortamına kurulumu
-
-```html
-<script src="https://ws.saqut.com/script"></script>
-```
-
-### Geliştirme ortamına kurulumu
-
-```javascript
-const wsjs = new MWSE({
-    endpoint: "https://ws.saqut.com/"    // MSWS kurulu sunucu adresi
-});
-wsjs.scope(async () => {
-    // Bağlantı sağlandığında burası tetiklenir
-})
-```
-
-### Kendi bağlantı kimliğini öğrenme
-
-```javascript
-wsjs.scope(async () => {
-    let me = wsjs.peer('me');   // Kendi bağlantınız üzerinde işlem yaparken `me` olarak bahsedersiniz
-    console.log(me.socketId);   // Her eşin tekil bir socketIdsi vardır
-})
-```
-
-
-### Sanal Adres ayırma / yeniden ayırma / kaldırma
-```javascript
-wsjs.scope(async () => {
-    let me = wsjs.peer('me');
-
-    /**
-     * Sanal adresler size veri gönderilmek istendiğinde veya etkileşime
-     * geçilmesi istendiğinde ona socketId gibi bir UUID yerine sizi temsil eden daha kısa
-     * ip adresi, sayı veya kısa bir kod ile aynı şeyleri yapmanıza olanak tanır.
-     * Aynı anda hem sanal ip adres, sayı ve kısa koduna sahip olabilirsiniz
-     * ancak aynı türden temsil koduna (mesela kısa koddan) birden fazla sahip olamazsınız
-     * Yeni bir bağlantı daha açmanız gerekir
-     **/
-
-    // Bağlantınıze özel sanal tekil ip adresi kaynağı ayırın
-    let ipadress = await me.virtualPressure.allocAPIPAddress();
-
-    // Bağlantınıze özel sanal tekil numara kaynağı ayırın
-    let numberaddress = await me.virtualPressure.allocAPNumber();
-
-    // Bağlantınıze özel sanal kod kaynağı ayırın
-    let shortcodeadress = await me.virtualPressure.allocAPShortCode();
-
-    // Bütün bu kaynakları yenileriyle değiştirmek için
-    // her birinin ayrı ayrı yeniden alma işlevleri vardır
-    // Bir adresi yenilediğinizde artık eski adres kullanılmaz olur
-    me.virtualPressure.reallocAPIPAddress();
-    me.virtualPressure.reallocAPNumber();
-    me.virtualPressure.reallocAPShortCode();
-
-    // Bütün bu kaynakları kaldırmak için  her birinin ayrı ayrı
-    // bırakma işlevi vardır
-    // Bir adresi kullanmadığınızda artık bu adreslerden size
-    // ulaşılamaz olursunuz
-    await me.virtualPressure.releaseAPIPAddress();
-    await me.virtualPressure.releaseAPNumber();
-    await me.virtualPressure.releaseAPShortCode();
-
-    await me.virtualPressure.queryAPIPAddress();
-    await me.virtualPressure.queryAPNumber();
-    await me.virtualPressure.queryAPShortCode();
-})
-```
-
-Farklı bir eş ile iletişime geçme
-
-```javascript
-wsjs.scope(async () => {
-    let peer = wsjs.peer('325a8f7f-eaaf-4c21-855e-9e965c0d5ac9')   // Diğer eşin socketId'sini belirtiyoruz
-
-    peer.on('message',(payload) => {
-        // Eş eğer mesaj gönderirse burası tetiklenecek ve gönderdiği mesaj payload değişkeni ile iletilir
-    })
-    // Mesaj göndermek için send fonksiyonunu kullanabilirsiniz
-    peer.send('Merhaba');
-    peer.send([29, true]);
-    peer.send({
-        type: 'notification',
-        value: "Hi!"
-    });
-})
-```
\ No newline at end of file
diff --git a/frontend/Room.ts b/frontend/Room.ts
index db25aa0..9acc8cb 100644
--- a/frontend/Room.ts
+++ b/frontend/Room.ts
@@ -150,7 +150,7 @@ export default class Room extends EventTarget
                 throw new Error("Cant using peers on room")
             }else if(status == 'success'){
                 for (const peerid of peers) {
-                    let peer = this.mwse.peer(peerid);
+                    let peer = this.mwse.peer(peerid,true);
                     cup.push(peer);
                     this.peers.set(peerid, peer);
                 }
diff --git a/script/index.js b/script/index.js
index 3cedc8a..33f1af2 100644
--- a/script/index.js
+++ b/script/index.js
@@ -1,4243 +1,2 @@
-// modules are defined as an array
-// [ module function, map of requires ]
-//
-// map of requires is short require name -> numeric require
-//
-// anything defined in a previous bundle is accessed via the
-// orig method which is the require for previous bundles
-
-(function (modules, entry, mainEntry, parcelRequireName, globalName) {
-  /* eslint-disable no-undef */
-  var globalObject =
-    typeof globalThis !== 'undefined'
-      ? globalThis
-      : typeof self !== 'undefined'
-      ? self
-      : typeof window !== 'undefined'
-      ? window
-      : typeof global !== 'undefined'
-      ? global
-      : {};
-  /* eslint-enable no-undef */
-
-  // Save the require from previous bundle to this closure if any
-  var previousRequire =
-    typeof globalObject[parcelRequireName] === 'function' &&
-    globalObject[parcelRequireName];
-
-  var cache = previousRequire.cache || {};
-  // Do not use `require` to prevent Webpack from trying to bundle this call
-  var nodeRequire =
-    typeof module !== 'undefined' &&
-    typeof module.require === 'function' &&
-    module.require.bind(module);
-
-  function newRequire(name, jumped) {
-    if (!cache[name]) {
-      if (!modules[name]) {
-        // if we cannot find the module within our internal map or
-        // cache jump to the current global require ie. the last bundle
-        // that was added to the page.
-        var currentRequire =
-          typeof globalObject[parcelRequireName] === 'function' &&
-          globalObject[parcelRequireName];
-        if (!jumped && currentRequire) {
-          return currentRequire(name, true);
-        }
-
-        // If there are other bundles on this page the require from the
-        // previous one is saved to 'previousRequire'. Repeat this as
-        // many times as there are bundles until the module is found or
-        // we exhaust the require chain.
-        if (previousRequire) {
-          return previousRequire(name, true);
-        }
-
-        // Try the node require function if it exists.
-        if (nodeRequire && typeof name === 'string') {
-          return nodeRequire(name);
-        }
-
-        var err = new Error("Cannot find module '" + name + "'");
-        err.code = 'MODULE_NOT_FOUND';
-        throw err;
-      }
-
-      localRequire.resolve = resolve;
-      localRequire.cache = {};
-
-      var module = (cache[name] = new newRequire.Module(name));
-
-      modules[name][0].call(
-        module.exports,
-        localRequire,
-        module,
-        module.exports,
-        this
-      );
-    }
-
-    return cache[name].exports;
-
-    function localRequire(x) {
-      var res = localRequire.resolve(x);
-      return res === false ? {} : newRequire(res);
-    }
-
-    function resolve(x) {
-      var id = modules[name][1][x];
-      return id != null ? id : x;
-    }
-  }
-
-  function Module(moduleName) {
-    this.id = moduleName;
-    this.bundle = newRequire;
-    this.exports = {};
-  }
-
-  newRequire.isParcelRequire = true;
-  newRequire.Module = Module;
-  newRequire.modules = modules;
-  newRequire.cache = cache;
-  newRequire.parent = previousRequire;
-  newRequire.register = function (id, exports) {
-    modules[id] = [
-      function (require, module) {
-        module.exports = exports;
-      },
-      {},
-    ];
-  };
-
-  Object.defineProperty(newRequire, 'root', {
-    get: function () {
-      return globalObject[parcelRequireName];
-    },
-  });
-
-  globalObject[parcelRequireName] = newRequire;
-
-  for (var i = 0; i < entry.length; i++) {
-    newRequire(entry[i]);
-  }
-
-  if (mainEntry) {
-    // Expose entry point to Node, AMD or browser globals
-    // Based on https://github.com/ForbesLindesay/umd/blob/master/template.js
-    var mainExports = newRequire(mainEntry);
-
-    // CommonJS
-    if (typeof exports === 'object' && typeof module !== 'undefined') {
-      module.exports = mainExports;
-
-      // RequireJS
-    } else if (typeof define === 'function' && define.amd) {
-      define(function () {
-        return mainExports;
-      });
-
-      // <script>
-    } else if (globalName) {
-      this[globalName] = mainExports;
-    }
-  }
-})({"6snCa":[function(require,module,exports) {
-var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
-parcelHelpers.defineInteropFlag(exports);
-var _connection = require("./Connection");
-var _eventPool = require("./EventPool");
-var _eventPoolDefault = parcelHelpers.interopDefault(_eventPool);
-var _eventTarget = require("./EventTarget");
-var _eventTargetDefault = parcelHelpers.interopDefault(_eventTarget);
-var _ippressure = require("./IPPressure");
-var _peer = require("./Peer");
-var _peerDefault = parcelHelpers.interopDefault(_peer);
-var _room = require("./Room");
-var _roomDefault = parcelHelpers.interopDefault(_room);
-var _wstsprotocol = require("./WSTSProtocol");
-var _wstsprotocolDefault = parcelHelpers.interopDefault(_wstsprotocol);
-class MWSE extends (0, _eventTargetDefault.default) {
-    static rtc;
-    server;
-    WSTSProtocol;
-    EventPooling;
-    rooms = new Map();
-    pairs = new Map();
-    peers = new Map();
-    virtualPressure;
-    me;
-    /*public static compress(message:string, callback:(e:any) => any)
-    {
-        let u : any= [];
-        let C = new Gzip({
-            level: 9,
-            mem: 12
-        },(stream,isLast) => {
-            u.push(stream);
-            if(isLast)
-            {
-                callback(u);
-            }
-        });
-        C.push(new TextEncoder().encode(message), true);
-    }*/ constructor(options){
-        super();
-        this.server = new (0, _connection.Connection)(options);
-        this.WSTSProtocol = new (0, _wstsprotocolDefault.default)(this);
-        this.EventPooling = new (0, _eventPoolDefault.default)(this);
-        this.virtualPressure = new (0, _ippressure.IPPressure)(this);
-        this.server.connect();
-        this.me = new (0, _peerDefault.default)(this);
-        this.me.scope(()=>{
-            this.peers.set("me", this.me);
-            this.peers.set(this.me.socketId, this.me);
-        });
-        this.server.onActive(async ()=>{
-            this.me.setSocketId("me");
-            await this.me.metadata();
-            this.emit("scope");
-            this.activeScope = true;
-        });
-        this.packMessagingSystem();
-    }
-    writable = 1;
-    readable = 1;
-    enableRecaiveData() {
-        this.WSTSProtocol.SendOnly({
-            type: "connection/packrecaive",
-            value: 1
-        });
-        this.readable = 1;
-    }
-    disableRecaiveData() {
-        this.WSTSProtocol.SendOnly({
-            type: "connection/packrecaive",
-            value: 0
-        });
-        this.readable = 0;
-    }
-    enableSendData() {
-        this.WSTSProtocol.SendOnly({
-            type: "connection/packsending",
-            value: 1
-        });
-        this.writable = 1;
-    }
-    disableSendData() {
-        this.WSTSProtocol.SendOnly({
-            type: "connection/packsending",
-            value: 0
-        });
-        this.writable = 0;
-    }
-    enableNotifyRoomInfo() {
-        this.WSTSProtocol.SendOnly({
-            type: "connection/roominfo",
-            value: 1
-        });
-    }
-    disableNotifyRoomInfo() {
-        this.WSTSProtocol.SendOnly({
-            type: "connection/roominfo",
-            value: 0
-        });
-    }
-    async request(peerId, pack) {
-        let { pack: answer } = await this.EventPooling.request({
-            type: "request/to",
-            to: peerId,
-            pack
-        });
-        return answer;
-    }
-    async response(peerId, requestId, pack) {
-        this.WSTSProtocol.SendOnly({
-            type: "response/to",
-            to: peerId,
-            pack,
-            id: requestId
-        });
-    }
-    packMessagingSystem() {
-        this.EventPooling.signal("pack", (payload)=>{
-            if (this.readable) {
-                let { from, pack } = payload;
-                this.peer(from, true).emit("pack", pack);
-            }
-        });
-        this.EventPooling.signal("request", (payload)=>{
-            let { from, pack, id } = payload;
-            let scope = {
-                body: pack,
-                response: (pack)=>{
-                    this.response(from, id, pack);
-                },
-                peer: this.peer(from, true)
-            };
-            this.peer(from, true).emit("request", scope);
-            this.peer("me").emit("request", scope);
-        });
-        this.EventPooling.signal("pack/room", (payload)=>{
-            if (this.readable) {
-                let { from, pack, sender } = payload;
-                this.room(from).emit("message", pack, this.peer(sender));
-            }
-        });
-        this.EventPooling.signal("room/joined", (payload)=>{
-            let { id, roomid } = payload;
-            let room = this.room(roomid);
-            let peer = this.peer(id, true);
-            room.peers.set(peer.socketId, peer);
-            room.emit("join", peer);
-        });
-        this.EventPooling.signal("room/info", (payload)=>{
-            let { roomId, name, value } = payload;
-            this.room(roomId).emit("updateinfo", name, value);
-        });
-        this.EventPooling.signal("room/ejected", (payload)=>{
-            let { id, roomid } = payload;
-            let room = this.room(roomid);
-            let peer = this.peer(id);
-            room.peers.delete(peer.socketId);
-            room.emit("eject", peer);
-        });
-        this.EventPooling.signal("room/closed", (payload)=>{
-            let { roomid } = payload;
-            let room = this.room(roomid);
-            room.peers.clear();
-            room.emit("close");
-            this.rooms.delete(roomid);
-        });
-        this.EventPooling.signal("pair/info", (payload)=>{
-            let { from, name, value } = payload;
-            let peer = this.peer(from);
-            peer.info.info[name] = value;
-            peer.emit("info", name, value);
-        });
-        this.EventPooling.signal("request/pair", (payload)=>{
-            let { from, info } = payload;
-            let peer = this.peer(from);
-            peer.info.info = info;
-            peer.emit("request/pair", peer);
-            this.peer("me").emit("request/pair", peer);
-        });
-        this.EventPooling.signal("accepted/pair", (payload)=>{
-            let { from, info } = payload;
-            let peer = this.peer(from);
-            peer.info.info = info;
-            peer.emit("accepted/pair", peer);
-            this.peer("me").emit("accepted/pairr", peer);
-        });
-        this.EventPooling.signal("end/pair", (payload)=>{
-            let { from, info } = payload;
-            let peer = this.peer(from);
-            peer.emit("endPair", info);
-            this.peer("me").emit("endPair", from, info);
-        });
-    }
-    room(options) {
-        if (typeof options == "string") {
-            if (this.rooms.has(options)) return this.rooms.get(options);
-        }
-        let room = new (0, _roomDefault.default)(this);
-        room.setRoomOptions(options);
-        this.emit("room");
-        return room;
-    }
-    peer(options, isActive = false) {
-        if (typeof options == "string") {
-            if (this.peers.has(options)) return this.peers.get(options);
-            if (this.pairs.has(options)) return this.pairs.get(options);
-        }
-        let peer = new (0, _peerDefault.default)(this);
-        peer.setPeerOptions(options);
-        peer.active = isActive;
-        this.peers.set(peer.socketId, peer);
-        this.emit("peer", peer);
-        return peer;
-    }
-}
-exports.default = MWSE;
-window.MWSE = MWSE;
-
-},{"./Connection":"dzYK1","./EventPool":"37Faq","./EventTarget":"lleyn","./IPPressure":"otMGy","./Peer":"bVhKw","./Room":"7qlv2","./WSTSProtocol":"3kvWC","@parcel/transformer-js/src/esmodule-helpers.js":"AkPHX"}],"dzYK1":[function(require,module,exports) {
-var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
-parcelHelpers.defineInteropFlag(exports);
-parcelHelpers.export(exports, "Connection", ()=>Connection);
-class Connection {
-    ws;
-    endpoint;
-    autoPair = false;
-    connected = false;
-    autoReconnect = true;
-    autoReconnectTimeout = 3000;
-    autoReconnectTimer;
-    constructor(options){
-        this.endpoint = new URL(options.endpoint);
-        if (typeof options.autoReconnect == "boolean") this.autoReconnect = true;
-        else if (options.autoReconnect) {
-            this.autoReconnect = true;
-            this.autoReconnectTimeout = options.autoReconnect.timeout;
-        }
-    }
-    connect() {
-        if (this.autoReconnectTimer) clearTimeout(this.autoReconnectTimer);
-        this.ws = new WebSocket(this.endpoint.href);
-        this.addWSEvents();
-    }
-    disconnect() {
-        this.ws.close();
-    }
-    addWSEvents() {
-        this.ws.addEventListener("open", ()=>this.eventOpen());
-        this.ws.addEventListener("close", ()=>this.eventClose());
-        this.ws.addEventListener("error", ()=>this.eventError());
-        this.ws.addEventListener("message", ({ data })=>this.eventMessage(data));
-    }
-    eventOpen() {
-        this.connected = true;
-        for (const callback of this.activeConnectionEvent)callback(void 0);
-    }
-    eventClose() {
-        this.connected = false;
-        if (this.autoReconnect) this.autoReconnectTimer = setTimeout(()=>this.connect(), this.autoReconnectTimeout);
-    }
-    eventError() {
-        this.connected = false;
-    }
-    recaivePackEvent = [];
-    onRecaivePack(func) {
-        this.recaivePackEvent.push(func);
-    }
-    activeConnectionEvent = [];
-    onActive(func) {
-        if (this.connected) func();
-        else this.activeConnectionEvent.push(func);
-    }
-    eventMessage(data) {
-        if (typeof data == "string") {
-            let $data = JSON.parse(data);
-            for (const callback of this.recaivePackEvent)callback($data);
-        }
-    }
-    tranferToServer(data) {
-        if (this.connected) this.ws.send(JSON.stringify(data));
-    }
-}
-
-},{"@parcel/transformer-js/src/esmodule-helpers.js":"AkPHX"}],"AkPHX":[function(require,module,exports) {
-exports.interopDefault = function(a) {
-    return a && a.__esModule ? a : {
-        default: a
-    };
-};
-exports.defineInteropFlag = function(a) {
-    Object.defineProperty(a, "__esModule", {
-        value: true
-    });
-};
-exports.exportAll = function(source, dest) {
-    Object.keys(source).forEach(function(key) {
-        if (key === "default" || key === "__esModule" || Object.prototype.hasOwnProperty.call(dest, key)) return;
-        Object.defineProperty(dest, key, {
-            enumerable: true,
-            get: function() {
-                return source[key];
-            }
-        });
-    });
-    return dest;
-};
-exports.export = function(dest, destName, get) {
-    Object.defineProperty(dest, destName, {
-        enumerable: true,
-        get: get
-    });
-};
-
-},{}],"37Faq":[function(require,module,exports) {
-var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
-parcelHelpers.defineInteropFlag(exports);
-class EventPool {
-    wsts;
-    events = new Map();
-    signals = new Map();
-    requests = new Map();
-    count = 0;
-    constructor(wsts){
-        this.wsts = wsts;
-    }
-    request(msg) {
-        return new Promise((ok, rej)=>{
-            let id = ++this.count;
-            this.wsts.WSTSProtocol.SendRequest(msg, id);
-            this.events.set(id, [
-                (data)=>{
-                    ok(data);
-                },
-                (data)=>{
-                    rej(data);
-                }
-            ]);
-        });
-    }
-    stream(msg, callback) {
-        let id = ++this.count;
-        this.wsts.WSTSProtocol.StartStream(msg, id);
-        this.events.set(id, [
-            (data)=>{
-                callback(data);
-            },
-            ()=>{}
-        ]);
-    }
-    signal(event, callback) {
-        let T = this.signals.get(event);
-        if (!T) this.signals.set(event, [
-            callback
-        ]);
-        else T.push(callback);
-    }
-}
-exports.default = EventPool;
-
-},{"@parcel/transformer-js/src/esmodule-helpers.js":"AkPHX"}],"lleyn":[function(require,module,exports) {
-var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
-parcelHelpers.defineInteropFlag(exports);
-class EventTarget {
-    events = {};
-    emit(eventName, ...args) {
-        if (this.events[eventName]) for (const callback of this.events[eventName])callback(...args);
-    }
-    on(eventName, callback) {
-        if (this.events[eventName]) this.events[eventName].push(callback);
-        else this.events[eventName] = [
-            callback
-        ];
-    }
-    activeScope = false;
-    scope(f) {
-        if (this.activeScope) f();
-        else this.on("scope", f);
-    }
-}
-exports.default = EventTarget;
-
-},{"@parcel/transformer-js/src/esmodule-helpers.js":"AkPHX"}],"otMGy":[function(require,module,exports) {
-var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
-parcelHelpers.defineInteropFlag(exports);
-parcelHelpers.export(exports, "IPPressure", ()=>IPPressure);
-class IPPressure {
-    mwse;
-    APNumber;
-    APShortCode;
-    APIPAddress;
-    constructor(mwse){
-        this.mwse = mwse;
-    }
-    async allocAPIPAddress() {
-        let { status, ip } = await this.mwse.EventPooling.request({
-            type: "alloc/APIPAddress"
-        });
-        if (status == "success") {
-            this.APIPAddress = ip;
-            return ip;
-        } else throw new Error("Error Allocated Access Point IP Address");
-    }
-    async allocAPNumber() {
-        let { status, number } = await this.mwse.EventPooling.request({
-            type: "alloc/APNumber"
-        });
-        if (status == "success") {
-            this.APNumber = number;
-            return number;
-        } else throw new Error("Error Allocated Access Point Number");
-    }
-    async allocAPShortCode() {
-        let { status, code } = await this.mwse.EventPooling.request({
-            type: "alloc/APShortCode"
-        });
-        if (status == "success") {
-            this.APShortCode = code;
-            return code;
-        } else throw new Error("Error Allocated Access Point Short Code");
-    }
-    async reallocAPIPAddress() {
-        let { status, ip } = await this.mwse.EventPooling.request({
-            type: "realloc/APIPAddress"
-        });
-        if (status == "success") {
-            this.APIPAddress = ip;
-            return ip;
-        } else throw new Error("Error Reallocated Access Point IP Address");
-    }
-    async reallocAPNumber() {
-        let { status, number } = await this.mwse.EventPooling.request({
-            type: "realloc/APNumber"
-        });
-        if (status == "success") {
-            this.APNumber = number;
-            return number;
-        } else throw new Error("Error Reallocated Access Point Number");
-    }
-    async reallocAPShortCode() {
-        let { status, code } = await this.mwse.EventPooling.request({
-            type: "realloc/APShortCode"
-        });
-        if (status == "success") {
-            this.APShortCode = code;
-            return code;
-        } else throw new Error("Error Reallocated Access Point Short Code");
-    }
-    async releaseAPIPAddress() {
-        let { status } = await this.mwse.EventPooling.request({
-            type: "release/APIPAddress"
-        });
-        if (status == "success") this.APIPAddress = undefined;
-        else throw new Error("Error release Access Point IP Address");
-    }
-    async releaseAPNumber() {
-        let { status } = await this.mwse.EventPooling.request({
-            type: "release/APNumber"
-        });
-        if (status == "success") this.APNumber = undefined;
-        else throw new Error("Error release Access Point Number");
-    }
-    async releaseAPShortCode() {
-        let { status } = await this.mwse.EventPooling.request({
-            type: "release/APShortCode"
-        });
-        if (status == "success") this.APShortCode = undefined;
-        else throw new Error("Error release Access Point Short Code");
-    }
-    async queryAPIPAddress(ip) {
-        let { status, socket } = await this.mwse.EventPooling.request({
-            type: "whois/APIPAddress",
-            whois: ip
-        });
-        if (status == "success") return socket;
-        else return null;
-    }
-    async queryAPNumber(number) {
-        let { status, socket } = await this.mwse.EventPooling.request({
-            type: "whois/APNumber",
-            whois: number
-        });
-        if (status == "success") return socket;
-        else return null;
-    }
-    async queryAPShortCode(code) {
-        let { status, socket } = await this.mwse.EventPooling.request({
-            type: "whois/APShortCode",
-            whois: code
-        });
-        if (status == "success") return socket;
-        else return null;
-    }
-}
-
-},{"@parcel/transformer-js/src/esmodule-helpers.js":"AkPHX"}],"bVhKw":[function(require,module,exports) {
-var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
-parcelHelpers.defineInteropFlag(exports);
-var _eventTarget = require("./EventTarget");
-var _eventTargetDefault = parcelHelpers.interopDefault(_eventTarget);
-var _peerInfo = require("./PeerInfo");
-var _webRTC = require("./WebRTC");
-var _webRTCDefault = parcelHelpers.interopDefault(_webRTC);
-var IMessageSymbase;
-(function(IMessageSymbase) {
-    IMessageSymbase[IMessageSymbase["PayloadMessagePack"] = -12873.54] = "PayloadMessagePack";
-    IMessageSymbase[IMessageSymbase["PayloadRTCBasePack"] = -12884.54] = "PayloadRTCBasePack";
-})(IMessageSymbase || (IMessageSymbase = {}));
-class Peer extends (0, _eventTargetDefault.default) {
-    mwse;
-    options = {};
-    socketId;
-    selfSocket = false;
-    active = false;
-    info;
-    rtc;
-    peerConnection = false;
-    primaryChannel = "datachannel";
-    constructor(wsts){
-        super();
-        this.mwse = wsts;
-        this.info = new (0, _peerInfo.PeerInfo)(this);
-        this.on("pack", (data)=>{
-            if (data.type == ":rtcbase_pack:") {
-                if (this.rtc) return this.rtc.emit("input", data.payload);
-                return console.warn("Not active rtc but recaived rtc packs");
-            }
-            this.emit("message", data);
-        });
-    }
-    createRTC(rtcConfig, rtcServers) {
-        this.rtc = new (0, _webRTCDefault.default)(rtcConfig, rtcServers);
-        this.rtc.peer = this;
-        this.rtc.on("connected", ()=>{
-            this.peerConnection = true;
-        });
-        this.rtc.on("disconnected", ()=>{
-            this.peerConnection = false;
-        });
-        this.rtc.on("output", (payload)=>{
-            this.send({
-                type: ":rtcbase_pack:",
-                payload: payload
-            });
-        });
-        this.rtc.on("message", (payload)=>{
-            this.emit("pack", payload);
-        });
-        return this.rtc;
-    }
-    setPeerOptions(options) {
-        if (typeof options == "string") this.setSocketId(options);
-        else this.options = options;
-    }
-    setSocketId(uuid) {
-        this.socketId = uuid;
-    }
-    async metadata() {
-        if (this.socketId == "me") {
-            let result = await this.mwse.EventPooling.request({
-                type: "my/socketid"
-            });
-            this.selfSocket = true;
-            this.active ||= true;
-            this.socketId = result;
-            this.emit("scope");
-            this.activeScope = true;
-            return result;
-        }
-    }
-    async request(pack) {
-        if (this.active) return await this.mwse.request(this.socketId, pack);
-    }
-    equalTo(peer) {
-        return this.socketId == peer.socketId;
-    }
-    async isReachable() {
-        return await this.mwse.EventPooling.request({
-            type: "is/reachable",
-            to: this.socketId
-        });
-    }
-    async enablePairAuth() {
-        await this.mwse.EventPooling.request({
-            type: "auth/pair-system",
-            value: "everybody"
-        });
-    }
-    async disablePairAuth() {
-        await this.mwse.EventPooling.request({
-            type: "auth/pair-system",
-            value: "disable"
-        });
-    }
-    async enablePairInfo() {
-        await this.mwse.EventPooling.request({
-            type: "connection/pairinfo",
-            value: true
-        });
-    }
-    async disablePairInfo() {
-        await this.mwse.EventPooling.request({
-            type: "connection/pairinfo",
-            value: false
-        });
-    }
-    async requestPair() {
-        let { message, status } = await this.mwse.EventPooling.request({
-            type: "request/pair",
-            to: this.socketId
-        });
-        if (message == "ALREADY-PAIRED" || message == "ALREADY-REQUESTED") console.warn("Already paired or pair requested");
-        if (status == "fail") {
-            console.error("Request Pair Error", status, message);
-            return false;
-        }
-        return true;
-    }
-    async endPair() {
-        await this.mwse.EventPooling.request({
-            type: "end/pair",
-            to: this.socketId
-        });
-        this.forget();
-    }
-    async acceptPair() {
-        let { message, status } = await this.mwse.EventPooling.request({
-            type: "accept/pair",
-            to: this.socketId
-        });
-        if (status == "fail") {
-            console.error("Pair Error", status, message);
-            return false;
-        }
-        return true;
-    }
-    async rejectPair() {
-        let { message, status } = await this.mwse.EventPooling.request({
-            type: "reject/pair",
-            to: this.socketId
-        });
-        if (status == "fail") {
-            console.error("Pair Error", status, message);
-            return false;
-        }
-        return true;
-    }
-    async getPairedList() {
-        let { value } = await this.mwse.EventPooling.request({
-            type: "pair/list",
-            to: this.socketId
-        });
-        return value;
-    }
-    async send(pack) {
-        let isOpenedP2P = this.peerConnection && this.rtc?.active;
-        let isOpenedServer = this.mwse.server.connected;
-        let sendChannel;
-        if (isOpenedP2P && isOpenedServer) {
-            if (this.primaryChannel == "websocket") sendChannel = "websocket";
-            else sendChannel = "datachannel";
-        } else if (isOpenedServer) sendChannel = "websocket";
-        else sendChannel = "datachannel";
-        if (sendChannel == "websocket") {
-            if (!this.mwse.writable) return console.warn("Socket is not writable");
-            await this.mwse.EventPooling.request({
-                type: "pack/to",
-                pack,
-                to: this.socketId
-            });
-        } else this.rtc?.sendMessage(pack);
-    }
-    async forget() {
-        this.mwse.peers.delete(this.socketId);
-        this.mwse.pairs.delete(this.socketId);
-    }
-}
-exports.default = Peer;
-
-},{"./EventTarget":"lleyn","./PeerInfo":"kEV9f","./WebRTC":"5HiBi","@parcel/transformer-js/src/esmodule-helpers.js":"AkPHX"}],"kEV9f":[function(require,module,exports) {
-var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
-parcelHelpers.defineInteropFlag(exports);
-parcelHelpers.export(exports, "PeerInfo", ()=>PeerInfo);
-class PeerInfo {
-    peer;
-    info = {};
-    constructor(mwse){
-        this.peer = mwse;
-    }
-    async fetch(name) {
-        if (name) {
-            let rinfo = await this.peer.mwse.EventPooling.request({
-                type: "peer/info",
-                peer: this.peer.socketId,
-                name
-            });
-            if (rinfo.status == "success") this.info = rinfo.info;
-            else console.warn(rinfo.message);
-        } else {
-            let rinfo = await this.peer.mwse.EventPooling.request({
-                type: "peer/info",
-                peer: this.peer.socketId
-            });
-            if (rinfo.status == "success") this.info = rinfo.info;
-            else console.warn(rinfo.message);
-        }
-        return this.info;
-    }
-    set(name, value) {
-        this.info[name] = value;
-        this.peer.mwse.WSTSProtocol.SendOnly({
-            type: "auth/info",
-            name,
-            value
-        });
-    }
-    get(name) {
-        return name ? this.info[name] : this.info;
-    }
-}
-
-},{"@parcel/transformer-js/src/esmodule-helpers.js":"AkPHX"}],"5HiBi":[function(require,module,exports) {
-var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
-parcelHelpers.defineInteropFlag(exports);
-var _p2PfileSender = require("./P2PFileSender");
-var _p2PfileSenderDefault = parcelHelpers.interopDefault(_p2PfileSender);
-var _webrtcAdapter = require("webrtc-adapter");
-class WebRTC {
-    static channels = new Map();
-    static requireGC = false;
-    id;
-    active = false;
-    connectionStatus = "new";
-    iceStatus = "new";
-    gatheringStatus = "new";
-    signalingStatus = "";
-    rtc;
-    recaivingStream = new Map();
-    sendingStream = new Map();
-    events = {};
-    channel;
-    static defaultRTCConfig = {
-        iceCandidatePoolSize: 0,
-        iceTransportPolicy: "all",
-        rtcpMuxPolicy: "require"
-    };
-    static defaultICEServers = [
-        {
-            urls: "stun:stun.l.google.com:19302"
-        },
-        {
-            urls: "stun:stun1.l.google.com:19302"
-        },
-        {
-            urls: "stun:stun2.l.google.com:19302"
-        },
-        {
-            urls: "stun:stun3.l.google.com:19302"
-        },
-        {
-            urls: "stun:stun4.l.google.com:19302"
-        }
-    ];
-    peer;
-    FileTransportChannel;
-    constructor(rtcConfig, rtcServers){
-        let config = {};
-        if (rtcConfig) Object.assign(config, WebRTC.defaultRTCConfig, rtcConfig);
-        else Object.assign(config, WebRTC.defaultRTCConfig);
-        config.iceServers = rtcServers || WebRTC.defaultICEServers;
-        this.rtc = new RTCPeerConnection(config);
-        this.rtc.addEventListener("connectionstatechange", ()=>{
-            this.eventConnectionState();
-        });
-        this.rtc.addEventListener("icecandidate", (...args)=>{
-            this.eventIcecandidate(...args);
-        });
-        this.rtc.addEventListener("iceconnectionstatechange", ()=>{
-            this.eventICEConnectionState();
-        });
-        this.rtc.addEventListener("icegatheringstatechange", ()=>{
-            this.eventICEGatherinState();
-        });
-        this.rtc.addEventListener("negotiationneeded", ()=>{
-            this.eventNogationNeeded();
-        });
-        this.rtc.addEventListener("signalingstatechange", ()=>{
-            this.eventSignalingState();
-        });
-        this.rtc.addEventListener("track", (...args)=>{
-            this.eventTrack(...args);
-        });
-        this.rtc.addEventListener("datachannel", (...args)=>{
-            this.eventDatachannel(...args);
-        });
-        this.on("input", async (data)=>{
-            switch(data.type){
-                case "icecandidate":
-                    await this.rtc.addIceCandidate(new RTCIceCandidate(data.value));
-                    break;
-                case "offer":
-                    {
-                        await this.rtc.setRemoteDescription(new RTCSessionDescription(data.value));
-                        let answer = await this.rtc.createAnswer({
-                            offerToReceiveAudio: true,
-                            offerToReceiveVideo: true
-                        });
-                        await this.rtc.setLocalDescription(answer);
-                        this.send({
-                            type: "answer",
-                            value: answer
-                        });
-                        break;
-                    }
-                case "answer":
-                    await this.rtc.setRemoteDescription(new RTCSessionDescription(data.value));
-                    break;
-                case "streamInfo":
-                    {
-                        let { id, value } = data;
-                        let streamInfo = this.recaivingStream.get(id);
-                        if (!streamInfo) this.recaivingStream.set(id, value);
-                        else this.recaivingStream.set(id, {
-                            ...streamInfo,
-                            ...value
-                        });
-                        this.send({
-                            type: "streamAccept",
-                            id
-                        });
-                        break;
-                    }
-                case "streamRemoved":
-                    {
-                        let { id } = data;
-                        this.emit("stream:stopped", this.recaivingStream.get(id));
-                        this.sendingStream.delete(id);
-                        break;
-                    }
-                case "streamAccept":
-                    {
-                        let { id } = data;
-                        let sendingStream = this.sendingStream.get(id);
-                        let senders = [];
-                        if (sendingStream && sendingStream.stream) {
-                            for (const track of sendingStream.stream.getTracks())senders.push(this.rtc.addTrack(track, sendingStream.stream));
-                            sendingStream.senders = senders;
-                        }
-                        break;
-                    }
-                case "message":
-                    this.emit("message", data.payload);
-                    break;
-            }
-        });
-    }
-    addEventListener(event, callback) {
-        (this.events[event] || (this.events[event] = [])).push(callback);
-    }
-    on(event, callback) {
-        this.addEventListener(event, callback);
-    }
-    async dispatch(event, ...args) {
-        if (this.events[event]) for (const callback of this.events[event])await callback(...args);
-    }
-    async emit(event, ...args) {
-        await this.dispatch(event, ...args);
-    }
-    connect() {
-        if (!this.channel) this.createDefaultDataChannel();
-    }
-    sendMessage(data) {
-        this.send({
-            type: "message",
-            payload: data
-        });
-    }
-    createDefaultDataChannel() {
-        let dt = this.rtc.createDataChannel(":default:", {
-            ordered: true
-        });
-        dt.addEventListener("open", ()=>{
-            this.channel = dt;
-            WebRTC.channels.set(this.id, this);
-            this.active = true;
-        });
-        dt.addEventListener("message", ({ data })=>{
-            let pack = JSON.parse(data);
-            this.emit("input", pack);
-        });
-        dt.addEventListener("close", ()=>{
-            this.channel = undefined;
-            this.active = false;
-        });
-    }
-    destroy() {
-        this.active = false;
-        if (this.channel) {
-            this.channel.close();
-            this.channel = undefined;
-        }
-        if (this.rtc) this.rtc.close();
-        this.emit("disconnected");
-        WebRTC.channels.delete(this.id);
-    }
-    eventDatachannel(event) {
-        if (event.channel.label == ":default:") {
-            WebRTC.channels.set(this.id, this);
-            this.channel = event.channel;
-            this.active = true;
-            event.channel.addEventListener("message", ({ data })=>{
-                let pack = JSON.parse(data);
-                this.emit("input", pack);
-            });
-            event.channel.addEventListener("close", ()=>{
-                this.channel = undefined;
-                WebRTC.channels.delete(this.id);
-                WebRTC.requireGC = true;
-            });
-        } else this.emit("datachannel", event.channel);
-    }
-    send(data) {
-        if (this.channel?.readyState == "open") this.channel.send(JSON.stringify(data));
-        else this.emit("output", data);
-    }
-    eventConnectionState() {
-        this.connectionStatus = this.rtc.connectionState;
-        if (this.connectionStatus == "connected") {
-            if (this.active == false) this.emit("connected");
-        }
-        if (this.connectionStatus == "failed" || this.connectionStatus == "disconnected" || this.connectionStatus == "closed") {
-            if (this.active) this.destroy();
-        }
-    }
-    eventIcecandidate(event) {
-        if (event.candidate) this.send({
-            type: "icecandidate",
-            value: event.candidate
-        });
-    }
-    eventICEConnectionState() {
-        this.iceStatus = this.rtc.iceConnectionState;
-    }
-    eventICEGatherinState() {
-        this.gatheringStatus = this.rtc.iceGatheringState;
-    }
-    async eventNogationNeeded() {
-        let offer = await this.rtc.createOffer({
-            iceRestart: true,
-            offerToReceiveAudio: true,
-            offerToReceiveVideo: true
-        });
-        await this.rtc.setLocalDescription(offer);
-        this.send({
-            type: "offer",
-            value: offer
-        });
-    }
-    eventSignalingState() {
-        this.signalingStatus = this.rtc.signalingState;
-    }
-    eventTrack(event) {
-        let rtpRecaiver = event.receiver;
-        if (event.streams.length) for (const stream of event.streams){
-            let streamInfo = this.recaivingStream.get(stream.id);
-            (streamInfo.recaivers || (streamInfo.recaivers = [])).push(rtpRecaiver);
-            if (this.recaivingStream.get(stream.id).stream == null) {
-                streamInfo.stream = stream;
-                this.emit("stream:added", this.recaivingStream.get(stream.id));
-            } else streamInfo.stream = stream;
-        }
-    }
-    sendStream(stream, name, info) {
-        this.send({
-            type: "streamInfo",
-            id: stream.id,
-            value: {
-                ...info,
-                name: name
-            }
-        });
-        this.sendingStream.set(stream.id, {
-            ...info,
-            id: stream.id,
-            name: name,
-            stream
-        });
-    }
-    stopStream(_stream) {
-        if (this.connectionStatus != "connected") return;
-        if (this.sendingStream.has(_stream.id)) {
-            let { stream } = this.sendingStream.get(_stream.id);
-            for (const track of stream.getTracks()){
-                for (const RTCPSender of this.rtc.getSenders())if (RTCPSender.track?.id == track.id) this.rtc.removeTrack(RTCPSender);
-            }
-            this.send({
-                type: "streamRemoved",
-                id: stream.id
-            });
-            this.sendingStream.delete(_stream.id);
-        }
-    }
-    stopAllStreams() {
-        if (this.connectionStatus != "connected") return;
-        for (const [, { stream }] of this.sendingStream){
-            if (stream == undefined) continue;
-            for (const track of stream.getTracks()){
-                for (const RTCPSender of this.rtc.getSenders())if (RTCPSender.track?.id == track.id) this.rtc.removeTrack(RTCPSender);
-            }
-            this.send({
-                type: "streamRemoved",
-                id: stream.id
-            });
-        }
-        this.sendingStream.clear();
-    }
-    async SendFile(file, meta) {
-        if (!this.peer) throw new Error("Peer is not ready");
-        this.FileTransportChannel = new (0, _p2PfileSenderDefault.default)(this, this.peer);
-        await this.FileTransportChannel.SendFile(file, meta);
-    }
-    async RecaiveFile(chnlCount, filemeta, totalSize) {
-        if (!this.peer) throw new Error("Peer is not ready");
-        this.FileTransportChannel = new (0, _p2PfileSenderDefault.default)(this, this.peer);
-        return await new Promise((recaivedFile)=>{
-            if (this.FileTransportChannel) this.FileTransportChannel.RecaiveFile(this.rtc, filemeta, chnlCount, totalSize, (file)=>{
-                recaivedFile(file);
-            });
-        });
-    }
-}
-exports.default = WebRTC;
-WebRTC.requireGC = false;
-setInterval(()=>{
-    if (WebRTC.requireGC == false) return;
-    let img = document.createElement("img");
-    img.src = window.URL.createObjectURL(new Blob([
-        new ArrayBuffer(5e+7)
-    ]));
-    img.onerror = function() {
-        window.URL.revokeObjectURL(this.src);
-    };
-    WebRTC.requireGC = false;
-}, 3000);
-
-},{"./P2PFileSender":"fgVv9","webrtc-adapter":"davSf","@parcel/transformer-js/src/esmodule-helpers.js":"AkPHX"}],"fgVv9":[function(require,module,exports) {
-var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
-parcelHelpers.defineInteropFlag(exports);
-var _webrtcAdapter = require("webrtc-adapter");
-class P2PFileSender {
-    rtc;
-    peer;
-    webrtc;
-    totalSize = 0;
-    isReady = false;
-    isStarted = false;
-    isSending = false;
-    isRecaiving = false;
-    processedSize = 0;
-    recaivedFile;
-    bufferSizePerChannel = 10e6;
-    bufferSizePerPack = 10e3;
-    safeBufferSizePerPack = 9999;
-    constructor(webrtc, peer){
-        this.webrtc = webrtc;
-        this.rtc = webrtc.rtc;
-        this.peer = peer;
-    }
-    async RecaiveFile(_rtc, fileMetadata, channelCount, _totalSize, onEnded) {
-        //let totals = {};
-        // let index = 0;
-        /*setChannelStatus(Array.from({length:channelCount}).map((e, index) => {
-            return {
-                name: `${index+1}. Kanal`,
-                current: 0,
-                currentTotal: 0,
-                total: 0
-            }
-        }));*/ let parts = [];
-        this.webrtc.on("datachannel", (datachannel)=>{
-            //let channelIndex = index++;
-            let current = 0;
-            let totalSize = 0;
-            let currentPart = 0;
-            let bufferAmount = [];
-            datachannel.onmessage = function({ data }) {
-                if (totalSize == 0) {
-                    let { size, part } = JSON.parse(data);
-                    totalSize = size;
-                    currentPart = part;
-                    /*updateChannelStatus(channelIndex, n => {
-                        return {
-                            ...n,
-                            total: totalSize,
-                            current: 0
-                        }
-                    });*/ datachannel.send("READY");
-                } else {
-                    current += data.byteLength;
-                    bufferAmount.push(data);
-                    /*updateChannelStatus(channelIndex, n => {
-                        return {
-                            ...n,
-                            current: data.byteLength + n.current,
-                            currentTotal: data.byteLength + n.currentTotal,
-                        }
-                    });
-                    setProcessedSize(n => n + data.byteLength);*/ if (current == totalSize) {
-                        parts[currentPart] = new Blob(bufferAmount);
-                        bufferAmount = [];
-                        //totals[datachannel.label] += totalSize;
-                        totalSize = 0;
-                        currentPart = 0;
-                        current = 0;
-                        datachannel.send("TOTAL_RECAIVED");
-                    }
-                }
-            };
-            datachannel.onclose = ()=>{
-                channelCount--;
-                if (channelCount == 0) {
-                    let file = new File(parts, fileMetadata.name, {
-                        type: fileMetadata.type,
-                        lastModified: +new Date
-                    });
-                    onEnded(file);
-                }
-            };
-        });
-    }
-    async SendFile(file, metadata) {
-        this.isSending = true;
-        this.isStarted = true;
-        let buffer = await file.arrayBuffer();
-        let partCount = Math.ceil(buffer.byteLength / 10e6);
-        let channelCount = Math.min(5, partCount);
-        if (this.webrtc.iceStatus != "connected") throw new Error("WebRTC is a not ready");
-        this.peer.send({
-            type: "file",
-            name: file.name,
-            size: file.size,
-            mimetype: file.type,
-            partCount,
-            channelCount,
-            metadata: metadata
-        });
-        let channels = [];
-        for(let channelIndex = 0; channelIndex < channelCount; channelIndex++){
-            let channel = this.rtc.createDataChannel("\\?\\file_" + channelIndex);
-            channel.binaryType = "arraybuffer";
-            await new Promise((ok)=>{
-                channel.onopen = ()=>{
-                    ok(void 0);
-                };
-            });
-            channels.push(channel);
-        }
-        let currentPart = 0;
-        let next = ()=>{
-            if (currentPart < partCount) {
-                let bufferPart = buffer.slice(currentPart * 10e6, currentPart * 10e6 + 10e6);
-                currentPart++;
-                return [
-                    bufferPart,
-                    currentPart - 1
-                ];
-            }
-            return [
-                false,
-                0
-            ];
-        };
-        let spyChannelIndex = channels.length;
-        await new Promise((ok)=>{
-            for(let channelIndex = 0; channelIndex < channels.length; channelIndex++)this.sendPartition(channels[channelIndex], next, channelIndex, ()=>{
-                spyChannelIndex--;
-                if (spyChannelIndex == 0) {
-                    this.isSending = false;
-                    this.isStarted = false;
-                    ok(undefined);
-                }
-            });
-        });
-    }
-    sendPartition(channel, nextblob10mb, _channelIndex, onEnded) {
-        let [currentBuffer, currentPartition] = nextblob10mb();
-        let currentPart = 0;
-        let next = ()=>{
-            if (!(currentBuffer instanceof ArrayBuffer)) return;
-            let bufferPart = currentBuffer.slice(currentPart * 16e3, currentPart * 16e3 + 16e3);
-            currentPart++;
-            if (bufferPart.byteLength != 0) /*
-                updateChannelStatus(channelIndex, n => {
-                    return {
-                        ...n,
-                        current: bufferPart.byteLength + n.current,
-                        currentTotal: bufferPart.byteLength + n.currentTotal
-                    }
-                });
-                setProcessedSize(n => n + bufferPart.byteLength);
-                */ return bufferPart;
-        };
-        channel.addEventListener("message", ({ data })=>{
-            if (data == "READY") this.sendFileChannel(channel, next);
-            if (data == "TOTAL_RECAIVED") {
-                [currentBuffer, currentPartition] = nextblob10mb();
-                currentPart = 0;
-                if (currentBuffer != false) /*updateChannelStatus(channelIndex, n => {
-                        return {
-                            ...n,
-                            total: currentBuffer.byteLength,
-                            current: 0,
-                        }
-                    });*/ channel.send(JSON.stringify({
-                    size: currentBuffer.byteLength,
-                    part: currentPartition
-                }));
-                else {
-                    channel.close();
-                    onEnded();
-                }
-            }
-        });
-        channel.send(JSON.stringify({
-            size: currentBuffer.byteLength,
-            part: currentPartition
-        }));
-    }
-    sendFileChannel(channel, getNextBlob) {
-        channel.addEventListener("bufferedamountlow", function() {
-            let buffer = getNextBlob();
-            if (buffer) channel.send(buffer);
-        });
-        channel.bufferedAmountLowThreshold = 15999;
-        let c = getNextBlob();
-        c && channel.send(c);
-    }
-}
-exports.default = P2PFileSender;
-
-},{"webrtc-adapter":"davSf","@parcel/transformer-js/src/esmodule-helpers.js":"AkPHX"}],"davSf":[function(require,module,exports) {
-/*
- *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree.
- */ /* eslint-env node */ var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
-parcelHelpers.defineInteropFlag(exports);
-var _adapterFactoryJs = require("./adapter_factory.js");
-"use strict";
-const adapter = (0, _adapterFactoryJs.adapterFactory)({
-    window: typeof window === "undefined" ? undefined : window
-});
-exports.default = adapter;
-
-},{"./adapter_factory.js":"9Cwh8","@parcel/transformer-js/src/esmodule-helpers.js":"AkPHX"}],"9Cwh8":[function(require,module,exports) {
-/*
- *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree.
- */ var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
-parcelHelpers.defineInteropFlag(exports);
-// Shimming starts here.
-parcelHelpers.export(exports, "adapterFactory", ()=>adapterFactory);
-var _utils = require("./utils");
-// Browser shims.
-var _chromeShim = require("./chrome/chrome_shim");
-var _firefoxShim = require("./firefox/firefox_shim");
-var _safariShim = require("./safari/safari_shim");
-var _commonShim = require("./common_shim");
-var _sdp = require("sdp");
-function adapterFactory({ window } = {}, options = {
-    shimChrome: true,
-    shimFirefox: true,
-    shimSafari: true
-}) {
-    // Utils.
-    const logging = _utils.log;
-    const browserDetails = _utils.detectBrowser(window);
-    const adapter = {
-        browserDetails,
-        commonShim: _commonShim,
-        extractVersion: _utils.extractVersion,
-        disableLog: _utils.disableLog,
-        disableWarnings: _utils.disableWarnings,
-        sdp: // Expose sdp as a convenience. For production apps include directly.
-        _sdp
-    };
-    // Shim browser if found.
-    switch(browserDetails.browser){
-        case "chrome":
-            if (!_chromeShim || !_chromeShim.shimPeerConnection || !options.shimChrome) {
-                logging("Chrome shim is not included in this adapter release.");
-                return adapter;
-            }
-            if (browserDetails.version === null) {
-                logging("Chrome shim can not determine version, not shimming.");
-                return adapter;
-            }
-            logging("adapter.js shimming chrome.");
-            // Export to the adapter global object visible in the browser.
-            adapter.browserShim = _chromeShim;
-            // Must be called before shimPeerConnection.
-            _commonShim.shimAddIceCandidateNullOrEmpty(window, browserDetails);
-            _commonShim.shimParameterlessSetLocalDescription(window, browserDetails);
-            _chromeShim.shimGetUserMedia(window, browserDetails);
-            _chromeShim.shimMediaStream(window, browserDetails);
-            _chromeShim.shimPeerConnection(window, browserDetails);
-            _chromeShim.shimOnTrack(window, browserDetails);
-            _chromeShim.shimAddTrackRemoveTrack(window, browserDetails);
-            _chromeShim.shimGetSendersWithDtmf(window, browserDetails);
-            _chromeShim.shimGetStats(window, browserDetails);
-            _chromeShim.shimSenderReceiverGetStats(window, browserDetails);
-            _chromeShim.fixNegotiationNeeded(window, browserDetails);
-            _commonShim.shimRTCIceCandidate(window, browserDetails);
-            _commonShim.shimRTCIceCandidateRelayProtocol(window, browserDetails);
-            _commonShim.shimConnectionState(window, browserDetails);
-            _commonShim.shimMaxMessageSize(window, browserDetails);
-            _commonShim.shimSendThrowTypeError(window, browserDetails);
-            _commonShim.removeExtmapAllowMixed(window, browserDetails);
-            break;
-        case "firefox":
-            if (!_firefoxShim || !_firefoxShim.shimPeerConnection || !options.shimFirefox) {
-                logging("Firefox shim is not included in this adapter release.");
-                return adapter;
-            }
-            logging("adapter.js shimming firefox.");
-            // Export to the adapter global object visible in the browser.
-            adapter.browserShim = _firefoxShim;
-            // Must be called before shimPeerConnection.
-            _commonShim.shimAddIceCandidateNullOrEmpty(window, browserDetails);
-            _commonShim.shimParameterlessSetLocalDescription(window, browserDetails);
-            _firefoxShim.shimGetUserMedia(window, browserDetails);
-            _firefoxShim.shimPeerConnection(window, browserDetails);
-            _firefoxShim.shimOnTrack(window, browserDetails);
-            _firefoxShim.shimRemoveStream(window, browserDetails);
-            _firefoxShim.shimSenderGetStats(window, browserDetails);
-            _firefoxShim.shimReceiverGetStats(window, browserDetails);
-            _firefoxShim.shimRTCDataChannel(window, browserDetails);
-            _firefoxShim.shimAddTransceiver(window, browserDetails);
-            _firefoxShim.shimGetParameters(window, browserDetails);
-            _firefoxShim.shimCreateOffer(window, browserDetails);
-            _firefoxShim.shimCreateAnswer(window, browserDetails);
-            _commonShim.shimRTCIceCandidate(window, browserDetails);
-            _commonShim.shimConnectionState(window, browserDetails);
-            _commonShim.shimMaxMessageSize(window, browserDetails);
-            _commonShim.shimSendThrowTypeError(window, browserDetails);
-            break;
-        case "safari":
-            if (!_safariShim || !options.shimSafari) {
-                logging("Safari shim is not included in this adapter release.");
-                return adapter;
-            }
-            logging("adapter.js shimming safari.");
-            // Export to the adapter global object visible in the browser.
-            adapter.browserShim = _safariShim;
-            // Must be called before shimCallbackAPI.
-            _commonShim.shimAddIceCandidateNullOrEmpty(window, browserDetails);
-            _commonShim.shimParameterlessSetLocalDescription(window, browserDetails);
-            _safariShim.shimRTCIceServerUrls(window, browserDetails);
-            _safariShim.shimCreateOfferLegacy(window, browserDetails);
-            _safariShim.shimCallbacksAPI(window, browserDetails);
-            _safariShim.shimLocalStreamsAPI(window, browserDetails);
-            _safariShim.shimRemoteStreamsAPI(window, browserDetails);
-            _safariShim.shimTrackEventTransceiver(window, browserDetails);
-            _safariShim.shimGetUserMedia(window, browserDetails);
-            _safariShim.shimAudioContext(window, browserDetails);
-            _commonShim.shimRTCIceCandidate(window, browserDetails);
-            _commonShim.shimRTCIceCandidateRelayProtocol(window, browserDetails);
-            _commonShim.shimMaxMessageSize(window, browserDetails);
-            _commonShim.shimSendThrowTypeError(window, browserDetails);
-            _commonShim.removeExtmapAllowMixed(window, browserDetails);
-            break;
-        default:
-            logging("Unsupported browser!");
-            break;
-    }
-    return adapter;
-}
-
-},{"./utils":"eisBj","./chrome/chrome_shim":"2CufB","./firefox/firefox_shim":"hnpOc","./safari/safari_shim":"e1njk","./common_shim":"cyshS","sdp":"gkuxw","@parcel/transformer-js/src/esmodule-helpers.js":"AkPHX"}],"eisBj":[function(require,module,exports) {
-/*
- *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree.
- */ /* eslint-env node */ var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
-parcelHelpers.defineInteropFlag(exports);
-/**
- * Extract browser version out of the provided user agent string.
- *
- * @param {!string} uastring userAgent string.
- * @param {!string} expr Regular expression used as match criteria.
- * @param {!number} pos position in the version string to be returned.
- * @return {!number} browser version.
- */ parcelHelpers.export(exports, "extractVersion", ()=>extractVersion);
-// Wraps the peerconnection event eventNameToWrap in a function
-// which returns the modified event object (or false to prevent
-// the event).
-parcelHelpers.export(exports, "wrapPeerConnectionEvent", ()=>wrapPeerConnectionEvent);
-parcelHelpers.export(exports, "disableLog", ()=>disableLog);
-/**
- * Disable or enable deprecation warnings
- * @param {!boolean} bool set to true to disable warnings.
- */ parcelHelpers.export(exports, "disableWarnings", ()=>disableWarnings);
-parcelHelpers.export(exports, "log", ()=>log);
-/**
- * Shows a deprecation warning suggesting the modern and spec-compatible API.
- */ parcelHelpers.export(exports, "deprecated", ()=>deprecated);
-/**
- * Browser detector.
- *
- * @return {object} result containing browser and version
- *     properties.
- */ parcelHelpers.export(exports, "detectBrowser", ()=>detectBrowser);
-/**
- * Remove all empty objects and undefined values
- * from a nested object -- an enhanced and vanilla version
- * of Lodash's `compact`.
- */ parcelHelpers.export(exports, "compactObject", ()=>compactObject);
-/* iterates the stats graph recursively. */ parcelHelpers.export(exports, "walkStats", ()=>walkStats);
-/* filter getStats for a sender/receiver track. */ parcelHelpers.export(exports, "filterStats", ()=>filterStats);
-"use strict";
-let logDisabled_ = true;
-let deprecationWarnings_ = true;
-function extractVersion(uastring, expr, pos) {
-    const match = uastring.match(expr);
-    return match && match.length >= pos && parseInt(match[pos], 10);
-}
-function wrapPeerConnectionEvent(window1, eventNameToWrap, wrapper) {
-    if (!window1.RTCPeerConnection) return;
-    const proto = window1.RTCPeerConnection.prototype;
-    const nativeAddEventListener = proto.addEventListener;
-    proto.addEventListener = function(nativeEventName, cb) {
-        if (nativeEventName !== eventNameToWrap) return nativeAddEventListener.apply(this, arguments);
-        const wrappedCallback = (e)=>{
-            const modifiedEvent = wrapper(e);
-            if (modifiedEvent) {
-                if (cb.handleEvent) cb.handleEvent(modifiedEvent);
-                else cb(modifiedEvent);
-            }
-        };
-        this._eventMap = this._eventMap || {};
-        if (!this._eventMap[eventNameToWrap]) this._eventMap[eventNameToWrap] = new Map();
-        this._eventMap[eventNameToWrap].set(cb, wrappedCallback);
-        return nativeAddEventListener.apply(this, [
-            nativeEventName,
-            wrappedCallback
-        ]);
-    };
-    const nativeRemoveEventListener = proto.removeEventListener;
-    proto.removeEventListener = function(nativeEventName, cb) {
-        if (nativeEventName !== eventNameToWrap || !this._eventMap || !this._eventMap[eventNameToWrap]) return nativeRemoveEventListener.apply(this, arguments);
-        if (!this._eventMap[eventNameToWrap].has(cb)) return nativeRemoveEventListener.apply(this, arguments);
-        const unwrappedCb = this._eventMap[eventNameToWrap].get(cb);
-        this._eventMap[eventNameToWrap].delete(cb);
-        if (this._eventMap[eventNameToWrap].size === 0) delete this._eventMap[eventNameToWrap];
-        if (Object.keys(this._eventMap).length === 0) delete this._eventMap;
-        return nativeRemoveEventListener.apply(this, [
-            nativeEventName,
-            unwrappedCb
-        ]);
-    };
-    Object.defineProperty(proto, "on" + eventNameToWrap, {
-        get () {
-            return this["_on" + eventNameToWrap];
-        },
-        set (cb) {
-            if (this["_on" + eventNameToWrap]) {
-                this.removeEventListener(eventNameToWrap, this["_on" + eventNameToWrap]);
-                delete this["_on" + eventNameToWrap];
-            }
-            if (cb) this.addEventListener(eventNameToWrap, this["_on" + eventNameToWrap] = cb);
-        },
-        enumerable: true,
-        configurable: true
-    });
-}
-function disableLog(bool) {
-    if (typeof bool !== "boolean") return new Error("Argument type: " + typeof bool + ". Please use a boolean.");
-    logDisabled_ = bool;
-    return bool ? "adapter.js logging disabled" : "adapter.js logging enabled";
-}
-function disableWarnings(bool) {
-    if (typeof bool !== "boolean") return new Error("Argument type: " + typeof bool + ". Please use a boolean.");
-    deprecationWarnings_ = !bool;
-    return "adapter.js deprecation warnings " + (bool ? "disabled" : "enabled");
-}
-function log() {
-    if (typeof window === "object") {
-        if (logDisabled_) return;
-        if (typeof console !== "undefined" && typeof console.log === "function") console.log.apply(console, arguments);
-    }
-}
-function deprecated(oldMethod, newMethod) {
-    if (!deprecationWarnings_) return;
-    console.warn(oldMethod + " is deprecated, please use " + newMethod + " instead.");
-}
-function detectBrowser(window1) {
-    // Returned result object.
-    const result = {
-        browser: null,
-        version: null
-    };
-    // Fail early if it's not a browser
-    if (typeof window1 === "undefined" || !window1.navigator || !window1.navigator.userAgent) {
-        result.browser = "Not a browser.";
-        return result;
-    }
-    const { navigator } = window1;
-    if (navigator.mozGetUserMedia) {
-        result.browser = "firefox";
-        result.version = extractVersion(navigator.userAgent, /Firefox\/(\d+)\./, 1);
-    } else if (navigator.webkitGetUserMedia || window1.isSecureContext === false && window1.webkitRTCPeerConnection) {
-        // Chrome, Chromium, Webview, Opera.
-        // Version matches Chrome/WebRTC version.
-        // Chrome 74 removed webkitGetUserMedia on http as well so we need the
-        // more complicated fallback to webkitRTCPeerConnection.
-        result.browser = "chrome";
-        result.version = extractVersion(navigator.userAgent, /Chrom(e|ium)\/(\d+)\./, 2);
-    } else if (window1.RTCPeerConnection && navigator.userAgent.match(/AppleWebKit\/(\d+)\./)) {
-        result.browser = "safari";
-        result.version = extractVersion(navigator.userAgent, /AppleWebKit\/(\d+)\./, 1);
-        result.supportsUnifiedPlan = window1.RTCRtpTransceiver && "currentDirection" in window1.RTCRtpTransceiver.prototype;
-    } else {
-        result.browser = "Not a supported browser.";
-        return result;
-    }
-    return result;
-}
-/**
- * Checks if something is an object.
- *
- * @param {*} val The something you want to check.
- * @return true if val is an object, false otherwise.
- */ function isObject(val) {
-    return Object.prototype.toString.call(val) === "[object Object]";
-}
-function compactObject(data) {
-    if (!isObject(data)) return data;
-    return Object.keys(data).reduce(function(accumulator, key) {
-        const isObj = isObject(data[key]);
-        const value = isObj ? compactObject(data[key]) : data[key];
-        const isEmptyObject = isObj && !Object.keys(value).length;
-        if (value === undefined || isEmptyObject) return accumulator;
-        return Object.assign(accumulator, {
-            [key]: value
-        });
-    }, {});
-}
-function walkStats(stats, base, resultSet) {
-    if (!base || resultSet.has(base.id)) return;
-    resultSet.set(base.id, base);
-    Object.keys(base).forEach((name)=>{
-        if (name.endsWith("Id")) walkStats(stats, stats.get(base[name]), resultSet);
-        else if (name.endsWith("Ids")) base[name].forEach((id)=>{
-            walkStats(stats, stats.get(id), resultSet);
-        });
-    });
-}
-function filterStats(result, track, outbound) {
-    const streamStatsType = outbound ? "outbound-rtp" : "inbound-rtp";
-    const filteredResult = new Map();
-    if (track === null) return filteredResult;
-    const trackStats = [];
-    result.forEach((value)=>{
-        if (value.type === "track" && value.trackIdentifier === track.id) trackStats.push(value);
-    });
-    trackStats.forEach((trackStat)=>{
-        result.forEach((stats)=>{
-            if (stats.type === streamStatsType && stats.trackId === trackStat.id) walkStats(result, stats, filteredResult);
-        });
-    });
-    return filteredResult;
-}
-
-},{"@parcel/transformer-js/src/esmodule-helpers.js":"AkPHX"}],"2CufB":[function(require,module,exports) {
-/*
- *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree.
- */ /* eslint-env node */ var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
-parcelHelpers.defineInteropFlag(exports);
-parcelHelpers.export(exports, "shimGetUserMedia", ()=>(0, _getusermedia.shimGetUserMedia));
-parcelHelpers.export(exports, "shimGetDisplayMedia", ()=>(0, _getdisplaymedia.shimGetDisplayMedia));
-parcelHelpers.export(exports, "shimMediaStream", ()=>shimMediaStream);
-parcelHelpers.export(exports, "shimOnTrack", ()=>shimOnTrack);
-parcelHelpers.export(exports, "shimGetSendersWithDtmf", ()=>shimGetSendersWithDtmf);
-parcelHelpers.export(exports, "shimGetStats", ()=>shimGetStats);
-parcelHelpers.export(exports, "shimSenderReceiverGetStats", ()=>shimSenderReceiverGetStats);
-parcelHelpers.export(exports, "shimAddTrackRemoveTrackWithNative", ()=>shimAddTrackRemoveTrackWithNative);
-parcelHelpers.export(exports, "shimAddTrackRemoveTrack", ()=>shimAddTrackRemoveTrack);
-parcelHelpers.export(exports, "shimPeerConnection", ()=>shimPeerConnection);
-// Attempt to fix ONN in plan-b mode.
-parcelHelpers.export(exports, "fixNegotiationNeeded", ()=>fixNegotiationNeeded);
-var _utilsJs = require("../utils.js");
-var _getusermedia = require("./getusermedia");
-var _getdisplaymedia = require("./getdisplaymedia");
-"use strict";
-function shimMediaStream(window) {
-    window.MediaStream = window.MediaStream || window.webkitMediaStream;
-}
-function shimOnTrack(window) {
-    if (typeof window === "object" && window.RTCPeerConnection && !("ontrack" in window.RTCPeerConnection.prototype)) {
-        Object.defineProperty(window.RTCPeerConnection.prototype, "ontrack", {
-            get () {
-                return this._ontrack;
-            },
-            set (f) {
-                if (this._ontrack) this.removeEventListener("track", this._ontrack);
-                this.addEventListener("track", this._ontrack = f);
-            },
-            enumerable: true,
-            configurable: true
-        });
-        const origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;
-        window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {
-            if (!this._ontrackpoly) {
-                this._ontrackpoly = (e)=>{
-                    // onaddstream does not fire when a track is added to an existing
-                    // stream. But stream.onaddtrack is implemented so we use that.
-                    e.stream.addEventListener("addtrack", (te)=>{
-                        let receiver;
-                        if (window.RTCPeerConnection.prototype.getReceivers) receiver = this.getReceivers().find((r)=>r.track && r.track.id === te.track.id);
-                        else receiver = {
-                            track: te.track
-                        };
-                        const event = new Event("track");
-                        event.track = te.track;
-                        event.receiver = receiver;
-                        event.transceiver = {
-                            receiver
-                        };
-                        event.streams = [
-                            e.stream
-                        ];
-                        this.dispatchEvent(event);
-                    });
-                    e.stream.getTracks().forEach((track)=>{
-                        let receiver;
-                        if (window.RTCPeerConnection.prototype.getReceivers) receiver = this.getReceivers().find((r)=>r.track && r.track.id === track.id);
-                        else receiver = {
-                            track
-                        };
-                        const event = new Event("track");
-                        event.track = track;
-                        event.receiver = receiver;
-                        event.transceiver = {
-                            receiver
-                        };
-                        event.streams = [
-                            e.stream
-                        ];
-                        this.dispatchEvent(event);
-                    });
-                };
-                this.addEventListener("addstream", this._ontrackpoly);
-            }
-            return origSetRemoteDescription.apply(this, arguments);
-        };
-    } else // even if RTCRtpTransceiver is in window, it is only used and
-    // emitted in unified-plan. Unfortunately this means we need
-    // to unconditionally wrap the event.
-    _utilsJs.wrapPeerConnectionEvent(window, "track", (e)=>{
-        if (!e.transceiver) Object.defineProperty(e, "transceiver", {
-            value: {
-                receiver: e.receiver
-            }
-        });
-        return e;
-    });
-}
-function shimGetSendersWithDtmf(window) {
-    // Overrides addTrack/removeTrack, depends on shimAddTrackRemoveTrack.
-    if (typeof window === "object" && window.RTCPeerConnection && !("getSenders" in window.RTCPeerConnection.prototype) && "createDTMFSender" in window.RTCPeerConnection.prototype) {
-        const shimSenderWithDtmf = function(pc, track) {
-            return {
-                track,
-                get dtmf () {
-                    if (this._dtmf === undefined) {
-                        if (track.kind === "audio") this._dtmf = pc.createDTMFSender(track);
-                        else this._dtmf = null;
-                    }
-                    return this._dtmf;
-                },
-                _pc: pc
-            };
-        };
-        // augment addTrack when getSenders is not available.
-        if (!window.RTCPeerConnection.prototype.getSenders) {
-            window.RTCPeerConnection.prototype.getSenders = function getSenders() {
-                this._senders = this._senders || [];
-                return this._senders.slice(); // return a copy of the internal state.
-            };
-            const origAddTrack = window.RTCPeerConnection.prototype.addTrack;
-            window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {
-                let sender = origAddTrack.apply(this, arguments);
-                if (!sender) {
-                    sender = shimSenderWithDtmf(this, track);
-                    this._senders.push(sender);
-                }
-                return sender;
-            };
-            const origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
-            window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {
-                origRemoveTrack.apply(this, arguments);
-                const idx = this._senders.indexOf(sender);
-                if (idx !== -1) this._senders.splice(idx, 1);
-            };
-        }
-        const origAddStream = window.RTCPeerConnection.prototype.addStream;
-        window.RTCPeerConnection.prototype.addStream = function addStream(stream) {
-            this._senders = this._senders || [];
-            origAddStream.apply(this, [
-                stream
-            ]);
-            stream.getTracks().forEach((track)=>{
-                this._senders.push(shimSenderWithDtmf(this, track));
-            });
-        };
-        const origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
-        window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {
-            this._senders = this._senders || [];
-            origRemoveStream.apply(this, [
-                stream
-            ]);
-            stream.getTracks().forEach((track)=>{
-                const sender = this._senders.find((s)=>s.track === track);
-                if (sender) this._senders.splice(this._senders.indexOf(sender), 1);
-            });
-        };
-    } else if (typeof window === "object" && window.RTCPeerConnection && "getSenders" in window.RTCPeerConnection.prototype && "createDTMFSender" in window.RTCPeerConnection.prototype && window.RTCRtpSender && !("dtmf" in window.RTCRtpSender.prototype)) {
-        const origGetSenders = window.RTCPeerConnection.prototype.getSenders;
-        window.RTCPeerConnection.prototype.getSenders = function getSenders() {
-            const senders = origGetSenders.apply(this, []);
-            senders.forEach((sender)=>sender._pc = this);
-            return senders;
-        };
-        Object.defineProperty(window.RTCRtpSender.prototype, "dtmf", {
-            get () {
-                if (this._dtmf === undefined) {
-                    if (this.track.kind === "audio") this._dtmf = this._pc.createDTMFSender(this.track);
-                    else this._dtmf = null;
-                }
-                return this._dtmf;
-            }
-        });
-    }
-}
-function shimGetStats(window) {
-    if (!window.RTCPeerConnection) return;
-    const origGetStats = window.RTCPeerConnection.prototype.getStats;
-    window.RTCPeerConnection.prototype.getStats = function getStats() {
-        const [selector, onSucc, onErr] = arguments;
-        // If selector is a function then we are in the old style stats so just
-        // pass back the original getStats format to avoid breaking old users.
-        if (arguments.length > 0 && typeof selector === "function") return origGetStats.apply(this, arguments);
-        // When spec-style getStats is supported, return those when called with
-        // either no arguments or the selector argument is null.
-        if (origGetStats.length === 0 && (arguments.length === 0 || typeof selector !== "function")) return origGetStats.apply(this, []);
-        const fixChromeStats_ = function(response) {
-            const standardReport = {};
-            const reports = response.result();
-            reports.forEach((report)=>{
-                const standardStats = {
-                    id: report.id,
-                    timestamp: report.timestamp,
-                    type: {
-                        localcandidate: "local-candidate",
-                        remotecandidate: "remote-candidate"
-                    }[report.type] || report.type
-                };
-                report.names().forEach((name)=>{
-                    standardStats[name] = report.stat(name);
-                });
-                standardReport[standardStats.id] = standardStats;
-            });
-            return standardReport;
-        };
-        // shim getStats with maplike support
-        const makeMapStats = function(stats) {
-            return new Map(Object.keys(stats).map((key)=>[
-                    key,
-                    stats[key]
-                ]));
-        };
-        if (arguments.length >= 2) {
-            const successCallbackWrapper_ = function(response) {
-                onSucc(makeMapStats(fixChromeStats_(response)));
-            };
-            return origGetStats.apply(this, [
-                successCallbackWrapper_,
-                selector
-            ]);
-        }
-        // promise-support
-        return new Promise((resolve, reject)=>{
-            origGetStats.apply(this, [
-                function(response) {
-                    resolve(makeMapStats(fixChromeStats_(response)));
-                },
-                reject
-            ]);
-        }).then(onSucc, onErr);
-    };
-}
-function shimSenderReceiverGetStats(window) {
-    if (!(typeof window === "object" && window.RTCPeerConnection && window.RTCRtpSender && window.RTCRtpReceiver)) return;
-    // shim sender stats.
-    if (!("getStats" in window.RTCRtpSender.prototype)) {
-        const origGetSenders = window.RTCPeerConnection.prototype.getSenders;
-        if (origGetSenders) window.RTCPeerConnection.prototype.getSenders = function getSenders() {
-            const senders = origGetSenders.apply(this, []);
-            senders.forEach((sender)=>sender._pc = this);
-            return senders;
-        };
-        const origAddTrack = window.RTCPeerConnection.prototype.addTrack;
-        if (origAddTrack) window.RTCPeerConnection.prototype.addTrack = function addTrack() {
-            const sender = origAddTrack.apply(this, arguments);
-            sender._pc = this;
-            return sender;
-        };
-        window.RTCRtpSender.prototype.getStats = function getStats() {
-            const sender = this;
-            return this._pc.getStats().then((result)=>/* Note: this will include stats of all senders that
-         *   send a track with the same id as sender.track as
-         *   it is not possible to identify the RTCRtpSender.
-         */ _utilsJs.filterStats(result, sender.track, true));
-        };
-    }
-    // shim receiver stats.
-    if (!("getStats" in window.RTCRtpReceiver.prototype)) {
-        const origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;
-        if (origGetReceivers) window.RTCPeerConnection.prototype.getReceivers = function getReceivers() {
-            const receivers = origGetReceivers.apply(this, []);
-            receivers.forEach((receiver)=>receiver._pc = this);
-            return receivers;
-        };
-        _utilsJs.wrapPeerConnectionEvent(window, "track", (e)=>{
-            e.receiver._pc = e.srcElement;
-            return e;
-        });
-        window.RTCRtpReceiver.prototype.getStats = function getStats() {
-            const receiver = this;
-            return this._pc.getStats().then((result)=>_utilsJs.filterStats(result, receiver.track, false));
-        };
-    }
-    if (!("getStats" in window.RTCRtpSender.prototype && "getStats" in window.RTCRtpReceiver.prototype)) return;
-    // shim RTCPeerConnection.getStats(track).
-    const origGetStats = window.RTCPeerConnection.prototype.getStats;
-    window.RTCPeerConnection.prototype.getStats = function getStats() {
-        if (arguments.length > 0 && arguments[0] instanceof window.MediaStreamTrack) {
-            const track = arguments[0];
-            let sender;
-            let receiver;
-            let err;
-            this.getSenders().forEach((s)=>{
-                if (s.track === track) {
-                    if (sender) err = true;
-                    else sender = s;
-                }
-            });
-            this.getReceivers().forEach((r)=>{
-                if (r.track === track) {
-                    if (receiver) err = true;
-                    else receiver = r;
-                }
-                return r.track === track;
-            });
-            if (err || sender && receiver) return Promise.reject(new DOMException("There are more than one sender or receiver for the track.", "InvalidAccessError"));
-            else if (sender) return sender.getStats();
-            else if (receiver) return receiver.getStats();
-            return Promise.reject(new DOMException("There is no sender or receiver for the track.", "InvalidAccessError"));
-        }
-        return origGetStats.apply(this, arguments);
-    };
-}
-function shimAddTrackRemoveTrackWithNative(window) {
-    // shim addTrack/removeTrack with native variants in order to make
-    // the interactions with legacy getLocalStreams behave as in other browsers.
-    // Keeps a mapping stream.id => [stream, rtpsenders...]
-    window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {
-        this._shimmedLocalStreams = this._shimmedLocalStreams || {};
-        return Object.keys(this._shimmedLocalStreams).map((streamId)=>this._shimmedLocalStreams[streamId][0]);
-    };
-    const origAddTrack = window.RTCPeerConnection.prototype.addTrack;
-    window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {
-        if (!stream) return origAddTrack.apply(this, arguments);
-        this._shimmedLocalStreams = this._shimmedLocalStreams || {};
-        const sender = origAddTrack.apply(this, arguments);
-        if (!this._shimmedLocalStreams[stream.id]) this._shimmedLocalStreams[stream.id] = [
-            stream,
-            sender
-        ];
-        else if (this._shimmedLocalStreams[stream.id].indexOf(sender) === -1) this._shimmedLocalStreams[stream.id].push(sender);
-        return sender;
-    };
-    const origAddStream = window.RTCPeerConnection.prototype.addStream;
-    window.RTCPeerConnection.prototype.addStream = function addStream(stream) {
-        this._shimmedLocalStreams = this._shimmedLocalStreams || {};
-        stream.getTracks().forEach((track)=>{
-            const alreadyExists = this.getSenders().find((s)=>s.track === track);
-            if (alreadyExists) throw new DOMException("Track already exists.", "InvalidAccessError");
-        });
-        const existingSenders = this.getSenders();
-        origAddStream.apply(this, arguments);
-        const newSenders = this.getSenders().filter((newSender)=>existingSenders.indexOf(newSender) === -1);
-        this._shimmedLocalStreams[stream.id] = [
-            stream
-        ].concat(newSenders);
-    };
-    const origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
-    window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {
-        this._shimmedLocalStreams = this._shimmedLocalStreams || {};
-        delete this._shimmedLocalStreams[stream.id];
-        return origRemoveStream.apply(this, arguments);
-    };
-    const origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
-    window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {
-        this._shimmedLocalStreams = this._shimmedLocalStreams || {};
-        if (sender) Object.keys(this._shimmedLocalStreams).forEach((streamId)=>{
-            const idx = this._shimmedLocalStreams[streamId].indexOf(sender);
-            if (idx !== -1) this._shimmedLocalStreams[streamId].splice(idx, 1);
-            if (this._shimmedLocalStreams[streamId].length === 1) delete this._shimmedLocalStreams[streamId];
-        });
-        return origRemoveTrack.apply(this, arguments);
-    };
-}
-function shimAddTrackRemoveTrack(window, browserDetails) {
-    if (!window.RTCPeerConnection) return;
-    // shim addTrack and removeTrack.
-    if (window.RTCPeerConnection.prototype.addTrack && browserDetails.version >= 65) return shimAddTrackRemoveTrackWithNative(window);
-    // also shim pc.getLocalStreams when addTrack is shimmed
-    // to return the original streams.
-    const origGetLocalStreams = window.RTCPeerConnection.prototype.getLocalStreams;
-    window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {
-        const nativeStreams = origGetLocalStreams.apply(this);
-        this._reverseStreams = this._reverseStreams || {};
-        return nativeStreams.map((stream)=>this._reverseStreams[stream.id]);
-    };
-    const origAddStream = window.RTCPeerConnection.prototype.addStream;
-    window.RTCPeerConnection.prototype.addStream = function addStream(stream) {
-        this._streams = this._streams || {};
-        this._reverseStreams = this._reverseStreams || {};
-        stream.getTracks().forEach((track)=>{
-            const alreadyExists = this.getSenders().find((s)=>s.track === track);
-            if (alreadyExists) throw new DOMException("Track already exists.", "InvalidAccessError");
-        });
-        // Add identity mapping for consistency with addTrack.
-        // Unless this is being used with a stream from addTrack.
-        if (!this._reverseStreams[stream.id]) {
-            const newStream = new window.MediaStream(stream.getTracks());
-            this._streams[stream.id] = newStream;
-            this._reverseStreams[newStream.id] = stream;
-            stream = newStream;
-        }
-        origAddStream.apply(this, [
-            stream
-        ]);
-    };
-    const origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
-    window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {
-        this._streams = this._streams || {};
-        this._reverseStreams = this._reverseStreams || {};
-        origRemoveStream.apply(this, [
-            this._streams[stream.id] || stream
-        ]);
-        delete this._reverseStreams[this._streams[stream.id] ? this._streams[stream.id].id : stream.id];
-        delete this._streams[stream.id];
-    };
-    window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {
-        if (this.signalingState === "closed") throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.", "InvalidStateError");
-        const streams = [].slice.call(arguments, 1);
-        if (streams.length !== 1 || !streams[0].getTracks().find((t)=>t === track)) // this is not fully correct but all we can manage without
-        // [[associated MediaStreams]] internal slot.
-        throw new DOMException("The adapter.js addTrack polyfill only supports a single  stream which is associated with the specified track.", "NotSupportedError");
-        const alreadyExists = this.getSenders().find((s)=>s.track === track);
-        if (alreadyExists) throw new DOMException("Track already exists.", "InvalidAccessError");
-        this._streams = this._streams || {};
-        this._reverseStreams = this._reverseStreams || {};
-        const oldStream = this._streams[stream.id];
-        if (oldStream) {
-            // this is using odd Chrome behaviour, use with caution:
-            // https://bugs.chromium.org/p/webrtc/issues/detail?id=7815
-            // Note: we rely on the high-level addTrack/dtmf shim to
-            // create the sender with a dtmf sender.
-            oldStream.addTrack(track);
-            // Trigger ONN async.
-            Promise.resolve().then(()=>{
-                this.dispatchEvent(new Event("negotiationneeded"));
-            });
-        } else {
-            const newStream = new window.MediaStream([
-                track
-            ]);
-            this._streams[stream.id] = newStream;
-            this._reverseStreams[newStream.id] = stream;
-            this.addStream(newStream);
-        }
-        return this.getSenders().find((s)=>s.track === track);
-    };
-    // replace the internal stream id with the external one and
-    // vice versa.
-    function replaceInternalStreamId(pc, description) {
-        let sdp = description.sdp;
-        Object.keys(pc._reverseStreams || []).forEach((internalId)=>{
-            const externalStream = pc._reverseStreams[internalId];
-            const internalStream = pc._streams[externalStream.id];
-            sdp = sdp.replace(new RegExp(internalStream.id, "g"), externalStream.id);
-        });
-        return new RTCSessionDescription({
-            type: description.type,
-            sdp
-        });
-    }
-    function replaceExternalStreamId(pc, description) {
-        let sdp = description.sdp;
-        Object.keys(pc._reverseStreams || []).forEach((internalId)=>{
-            const externalStream = pc._reverseStreams[internalId];
-            const internalStream = pc._streams[externalStream.id];
-            sdp = sdp.replace(new RegExp(externalStream.id, "g"), internalStream.id);
-        });
-        return new RTCSessionDescription({
-            type: description.type,
-            sdp
-        });
-    }
-    [
-        "createOffer",
-        "createAnswer"
-    ].forEach(function(method) {
-        const nativeMethod = window.RTCPeerConnection.prototype[method];
-        const methodObj = {
-            [method] () {
-                const args = arguments;
-                const isLegacyCall = arguments.length && typeof arguments[0] === "function";
-                if (isLegacyCall) return nativeMethod.apply(this, [
-                    (description)=>{
-                        const desc = replaceInternalStreamId(this, description);
-                        args[0].apply(null, [
-                            desc
-                        ]);
-                    },
-                    (err)=>{
-                        if (args[1]) args[1].apply(null, err);
-                    },
-                    arguments[2]
-                ]);
-                return nativeMethod.apply(this, arguments).then((description)=>replaceInternalStreamId(this, description));
-            }
-        };
-        window.RTCPeerConnection.prototype[method] = methodObj[method];
-    });
-    const origSetLocalDescription = window.RTCPeerConnection.prototype.setLocalDescription;
-    window.RTCPeerConnection.prototype.setLocalDescription = function setLocalDescription() {
-        if (!arguments.length || !arguments[0].type) return origSetLocalDescription.apply(this, arguments);
-        arguments[0] = replaceExternalStreamId(this, arguments[0]);
-        return origSetLocalDescription.apply(this, arguments);
-    };
-    // TODO: mangle getStats: https://w3c.github.io/webrtc-stats/#dom-rtcmediastreamstats-streamidentifier
-    const origLocalDescription = Object.getOwnPropertyDescriptor(window.RTCPeerConnection.prototype, "localDescription");
-    Object.defineProperty(window.RTCPeerConnection.prototype, "localDescription", {
-        get () {
-            const description = origLocalDescription.get.apply(this);
-            if (description.type === "") return description;
-            return replaceInternalStreamId(this, description);
-        }
-    });
-    window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {
-        if (this.signalingState === "closed") throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.", "InvalidStateError");
-        // We can not yet check for sender instanceof RTCRtpSender
-        // since we shim RTPSender. So we check if sender._pc is set.
-        if (!sender._pc) throw new DOMException("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.", "TypeError");
-        const isLocal = sender._pc === this;
-        if (!isLocal) throw new DOMException("Sender was not created by this connection.", "InvalidAccessError");
-        // Search for the native stream the senders track belongs to.
-        this._streams = this._streams || {};
-        let stream;
-        Object.keys(this._streams).forEach((streamid)=>{
-            const hasTrack = this._streams[streamid].getTracks().find((track)=>sender.track === track);
-            if (hasTrack) stream = this._streams[streamid];
-        });
-        if (stream) {
-            if (stream.getTracks().length === 1) // if this is the last track of the stream, remove the stream. This
-            // takes care of any shimmed _senders.
-            this.removeStream(this._reverseStreams[stream.id]);
-            else // relying on the same odd chrome behaviour as above.
-            stream.removeTrack(sender.track);
-            this.dispatchEvent(new Event("negotiationneeded"));
-        }
-    };
-}
-function shimPeerConnection(window, browserDetails) {
-    if (!window.RTCPeerConnection && window.webkitRTCPeerConnection) // very basic support for old versions.
-    window.RTCPeerConnection = window.webkitRTCPeerConnection;
-    if (!window.RTCPeerConnection) return;
-    // shim implicit creation of RTCSessionDescription/RTCIceCandidate
-    if (browserDetails.version < 53) [
-        "setLocalDescription",
-        "setRemoteDescription",
-        "addIceCandidate"
-    ].forEach(function(method) {
-        const nativeMethod = window.RTCPeerConnection.prototype[method];
-        const methodObj = {
-            [method] () {
-                arguments[0] = new (method === "addIceCandidate" ? window.RTCIceCandidate : window.RTCSessionDescription)(arguments[0]);
-                return nativeMethod.apply(this, arguments);
-            }
-        };
-        window.RTCPeerConnection.prototype[method] = methodObj[method];
-    });
-}
-function fixNegotiationNeeded(window, browserDetails) {
-    _utilsJs.wrapPeerConnectionEvent(window, "negotiationneeded", (e)=>{
-        const pc = e.target;
-        if (browserDetails.version < 72 || pc.getConfiguration && pc.getConfiguration().sdpSemantics === "plan-b") {
-            if (pc.signalingState !== "stable") return;
-        }
-        return e;
-    });
-}
-
-},{"../utils.js":"eisBj","./getusermedia":"2T6qR","./getdisplaymedia":"9ezSd","@parcel/transformer-js/src/esmodule-helpers.js":"AkPHX"}],"2T6qR":[function(require,module,exports) {
-/*
- *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree.
- */ /* eslint-env node */ var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
-parcelHelpers.defineInteropFlag(exports);
-parcelHelpers.export(exports, "shimGetUserMedia", ()=>shimGetUserMedia);
-var _utilsJs = require("../utils.js");
-"use strict";
-const logging = _utilsJs.log;
-function shimGetUserMedia(window, browserDetails) {
-    const navigator = window && window.navigator;
-    if (!navigator.mediaDevices) return;
-    const constraintsToChrome_ = function(c) {
-        if (typeof c !== "object" || c.mandatory || c.optional) return c;
-        const cc = {};
-        Object.keys(c).forEach((key)=>{
-            if (key === "require" || key === "advanced" || key === "mediaSource") return;
-            const r = typeof c[key] === "object" ? c[key] : {
-                ideal: c[key]
-            };
-            if (r.exact !== undefined && typeof r.exact === "number") r.min = r.max = r.exact;
-            const oldname_ = function(prefix, name) {
-                if (prefix) return prefix + name.charAt(0).toUpperCase() + name.slice(1);
-                return name === "deviceId" ? "sourceId" : name;
-            };
-            if (r.ideal !== undefined) {
-                cc.optional = cc.optional || [];
-                let oc = {};
-                if (typeof r.ideal === "number") {
-                    oc[oldname_("min", key)] = r.ideal;
-                    cc.optional.push(oc);
-                    oc = {};
-                    oc[oldname_("max", key)] = r.ideal;
-                    cc.optional.push(oc);
-                } else {
-                    oc[oldname_("", key)] = r.ideal;
-                    cc.optional.push(oc);
-                }
-            }
-            if (r.exact !== undefined && typeof r.exact !== "number") {
-                cc.mandatory = cc.mandatory || {};
-                cc.mandatory[oldname_("", key)] = r.exact;
-            } else [
-                "min",
-                "max"
-            ].forEach((mix)=>{
-                if (r[mix] !== undefined) {
-                    cc.mandatory = cc.mandatory || {};
-                    cc.mandatory[oldname_(mix, key)] = r[mix];
-                }
-            });
-        });
-        if (c.advanced) cc.optional = (cc.optional || []).concat(c.advanced);
-        return cc;
-    };
-    const shimConstraints_ = function(constraints, func) {
-        if (browserDetails.version >= 61) return func(constraints);
-        constraints = JSON.parse(JSON.stringify(constraints));
-        if (constraints && typeof constraints.audio === "object") {
-            const remap = function(obj, a, b) {
-                if (a in obj && !(b in obj)) {
-                    obj[b] = obj[a];
-                    delete obj[a];
-                }
-            };
-            constraints = JSON.parse(JSON.stringify(constraints));
-            remap(constraints.audio, "autoGainControl", "googAutoGainControl");
-            remap(constraints.audio, "noiseSuppression", "googNoiseSuppression");
-            constraints.audio = constraintsToChrome_(constraints.audio);
-        }
-        if (constraints && typeof constraints.video === "object") {
-            // Shim facingMode for mobile & surface pro.
-            let face = constraints.video.facingMode;
-            face = face && (typeof face === "object" ? face : {
-                ideal: face
-            });
-            const getSupportedFacingModeLies = browserDetails.version < 66;
-            if (face && (face.exact === "user" || face.exact === "environment" || face.ideal === "user" || face.ideal === "environment") && !(navigator.mediaDevices.getSupportedConstraints && navigator.mediaDevices.getSupportedConstraints().facingMode && !getSupportedFacingModeLies)) {
-                delete constraints.video.facingMode;
-                let matches;
-                if (face.exact === "environment" || face.ideal === "environment") matches = [
-                    "back",
-                    "rear"
-                ];
-                else if (face.exact === "user" || face.ideal === "user") matches = [
-                    "front"
-                ];
-                if (matches) // Look for matches in label, or use last cam for back (typical).
-                return navigator.mediaDevices.enumerateDevices().then((devices)=>{
-                    devices = devices.filter((d)=>d.kind === "videoinput");
-                    let dev = devices.find((d)=>matches.some((match)=>d.label.toLowerCase().includes(match)));
-                    if (!dev && devices.length && matches.includes("back")) dev = devices[devices.length - 1]; // more likely the back cam
-                    if (dev) constraints.video.deviceId = face.exact ? {
-                        exact: dev.deviceId
-                    } : {
-                        ideal: dev.deviceId
-                    };
-                    constraints.video = constraintsToChrome_(constraints.video);
-                    logging("chrome: " + JSON.stringify(constraints));
-                    return func(constraints);
-                });
-            }
-            constraints.video = constraintsToChrome_(constraints.video);
-        }
-        logging("chrome: " + JSON.stringify(constraints));
-        return func(constraints);
-    };
-    const shimError_ = function(e) {
-        if (browserDetails.version >= 64) return e;
-        return {
-            name: ({
-                PermissionDeniedError: "NotAllowedError",
-                PermissionDismissedError: "NotAllowedError",
-                InvalidStateError: "NotAllowedError",
-                DevicesNotFoundError: "NotFoundError",
-                ConstraintNotSatisfiedError: "OverconstrainedError",
-                TrackStartError: "NotReadableError",
-                MediaDeviceFailedDueToShutdown: "NotAllowedError",
-                MediaDeviceKillSwitchOn: "NotAllowedError",
-                TabCaptureError: "AbortError",
-                ScreenCaptureError: "AbortError",
-                DeviceCaptureError: "AbortError"
-            })[e.name] || e.name,
-            message: e.message,
-            constraint: e.constraint || e.constraintName,
-            toString () {
-                return this.name + (this.message && ": ") + this.message;
-            }
-        };
-    };
-    const getUserMedia_ = function(constraints, onSuccess, onError) {
-        shimConstraints_(constraints, (c)=>{
-            navigator.webkitGetUserMedia(c, onSuccess, (e)=>{
-                if (onError) onError(shimError_(e));
-            });
-        });
-    };
-    navigator.getUserMedia = getUserMedia_.bind(navigator);
-    // Even though Chrome 45 has navigator.mediaDevices and a getUserMedia
-    // function which returns a Promise, it does not accept spec-style
-    // constraints.
-    if (navigator.mediaDevices.getUserMedia) {
-        const origGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);
-        navigator.mediaDevices.getUserMedia = function(cs) {
-            return shimConstraints_(cs, (c)=>origGetUserMedia(c).then((stream)=>{
-                    if (c.audio && !stream.getAudioTracks().length || c.video && !stream.getVideoTracks().length) {
-                        stream.getTracks().forEach((track)=>{
-                            track.stop();
-                        });
-                        throw new DOMException("", "NotFoundError");
-                    }
-                    return stream;
-                }, (e)=>Promise.reject(shimError_(e))));
-        };
-    }
-}
-
-},{"../utils.js":"eisBj","@parcel/transformer-js/src/esmodule-helpers.js":"AkPHX"}],"9ezSd":[function(require,module,exports) {
-/*
- *  Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree.
- */ /* eslint-env node */ var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
-parcelHelpers.defineInteropFlag(exports);
-parcelHelpers.export(exports, "shimGetDisplayMedia", ()=>shimGetDisplayMedia);
-"use strict";
-function shimGetDisplayMedia(window, getSourceId) {
-    if (window.navigator.mediaDevices && "getDisplayMedia" in window.navigator.mediaDevices) return;
-    if (!window.navigator.mediaDevices) return;
-    // getSourceId is a function that returns a promise resolving with
-    // the sourceId of the screen/window/tab to be shared.
-    if (typeof getSourceId !== "function") {
-        console.error("shimGetDisplayMedia: getSourceId argument is not a function");
-        return;
-    }
-    window.navigator.mediaDevices.getDisplayMedia = function getDisplayMedia(constraints) {
-        return getSourceId(constraints).then((sourceId)=>{
-            const widthSpecified = constraints.video && constraints.video.width;
-            const heightSpecified = constraints.video && constraints.video.height;
-            const frameRateSpecified = constraints.video && constraints.video.frameRate;
-            constraints.video = {
-                mandatory: {
-                    chromeMediaSource: "desktop",
-                    chromeMediaSourceId: sourceId,
-                    maxFrameRate: frameRateSpecified || 3
-                }
-            };
-            if (widthSpecified) constraints.video.mandatory.maxWidth = widthSpecified;
-            if (heightSpecified) constraints.video.mandatory.maxHeight = heightSpecified;
-            return window.navigator.mediaDevices.getUserMedia(constraints);
-        });
-    };
-}
-
-},{"@parcel/transformer-js/src/esmodule-helpers.js":"AkPHX"}],"hnpOc":[function(require,module,exports) {
-/*
- *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree.
- */ /* eslint-env node */ var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
-parcelHelpers.defineInteropFlag(exports);
-parcelHelpers.export(exports, "shimGetUserMedia", ()=>(0, _getusermedia.shimGetUserMedia));
-parcelHelpers.export(exports, "shimGetDisplayMedia", ()=>(0, _getdisplaymedia.shimGetDisplayMedia));
-parcelHelpers.export(exports, "shimOnTrack", ()=>shimOnTrack);
-parcelHelpers.export(exports, "shimPeerConnection", ()=>shimPeerConnection);
-parcelHelpers.export(exports, "shimSenderGetStats", ()=>shimSenderGetStats);
-parcelHelpers.export(exports, "shimReceiverGetStats", ()=>shimReceiverGetStats);
-parcelHelpers.export(exports, "shimRemoveStream", ()=>shimRemoveStream);
-parcelHelpers.export(exports, "shimRTCDataChannel", ()=>shimRTCDataChannel);
-parcelHelpers.export(exports, "shimAddTransceiver", ()=>shimAddTransceiver);
-parcelHelpers.export(exports, "shimGetParameters", ()=>shimGetParameters);
-parcelHelpers.export(exports, "shimCreateOffer", ()=>shimCreateOffer);
-parcelHelpers.export(exports, "shimCreateAnswer", ()=>shimCreateAnswer);
-var _utils = require("../utils");
-var _getusermedia = require("./getusermedia");
-var _getdisplaymedia = require("./getdisplaymedia");
-"use strict";
-function shimOnTrack(window) {
-    if (typeof window === "object" && window.RTCTrackEvent && "receiver" in window.RTCTrackEvent.prototype && !("transceiver" in window.RTCTrackEvent.prototype)) Object.defineProperty(window.RTCTrackEvent.prototype, "transceiver", {
-        get () {
-            return {
-                receiver: this.receiver
-            };
-        }
-    });
-}
-function shimPeerConnection(window, browserDetails) {
-    if (typeof window !== "object" || !(window.RTCPeerConnection || window.mozRTCPeerConnection)) return; // probably media.peerconnection.enabled=false in about:config
-    if (!window.RTCPeerConnection && window.mozRTCPeerConnection) // very basic support for old versions.
-    window.RTCPeerConnection = window.mozRTCPeerConnection;
-    if (browserDetails.version < 53) // shim away need for obsolete RTCIceCandidate/RTCSessionDescription.
-    [
-        "setLocalDescription",
-        "setRemoteDescription",
-        "addIceCandidate"
-    ].forEach(function(method) {
-        const nativeMethod = window.RTCPeerConnection.prototype[method];
-        const methodObj = {
-            [method] () {
-                arguments[0] = new (method === "addIceCandidate" ? window.RTCIceCandidate : window.RTCSessionDescription)(arguments[0]);
-                return nativeMethod.apply(this, arguments);
-            }
-        };
-        window.RTCPeerConnection.prototype[method] = methodObj[method];
-    });
-    const modernStatsTypes = {
-        inboundrtp: "inbound-rtp",
-        outboundrtp: "outbound-rtp",
-        candidatepair: "candidate-pair",
-        localcandidate: "local-candidate",
-        remotecandidate: "remote-candidate"
-    };
-    const nativeGetStats = window.RTCPeerConnection.prototype.getStats;
-    window.RTCPeerConnection.prototype.getStats = function getStats() {
-        const [selector, onSucc, onErr] = arguments;
-        return nativeGetStats.apply(this, [
-            selector || null
-        ]).then((stats)=>{
-            if (browserDetails.version < 53 && !onSucc) // Shim only promise getStats with spec-hyphens in type names
-            // Leave callback version alone; misc old uses of forEach before Map
-            try {
-                stats.forEach((stat)=>{
-                    stat.type = modernStatsTypes[stat.type] || stat.type;
-                });
-            } catch (e) {
-                if (e.name !== "TypeError") throw e;
-                // Avoid TypeError: "type" is read-only, in old versions. 34-43ish
-                stats.forEach((stat, i)=>{
-                    stats.set(i, Object.assign({}, stat, {
-                        type: modernStatsTypes[stat.type] || stat.type
-                    }));
-                });
-            }
-            return stats;
-        }).then(onSucc, onErr);
-    };
-}
-function shimSenderGetStats(window) {
-    if (!(typeof window === "object" && window.RTCPeerConnection && window.RTCRtpSender)) return;
-    if (window.RTCRtpSender && "getStats" in window.RTCRtpSender.prototype) return;
-    const origGetSenders = window.RTCPeerConnection.prototype.getSenders;
-    if (origGetSenders) window.RTCPeerConnection.prototype.getSenders = function getSenders() {
-        const senders = origGetSenders.apply(this, []);
-        senders.forEach((sender)=>sender._pc = this);
-        return senders;
-    };
-    const origAddTrack = window.RTCPeerConnection.prototype.addTrack;
-    if (origAddTrack) window.RTCPeerConnection.prototype.addTrack = function addTrack() {
-        const sender = origAddTrack.apply(this, arguments);
-        sender._pc = this;
-        return sender;
-    };
-    window.RTCRtpSender.prototype.getStats = function getStats() {
-        return this.track ? this._pc.getStats(this.track) : Promise.resolve(new Map());
-    };
-}
-function shimReceiverGetStats(window) {
-    if (!(typeof window === "object" && window.RTCPeerConnection && window.RTCRtpSender)) return;
-    if (window.RTCRtpSender && "getStats" in window.RTCRtpReceiver.prototype) return;
-    const origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;
-    if (origGetReceivers) window.RTCPeerConnection.prototype.getReceivers = function getReceivers() {
-        const receivers = origGetReceivers.apply(this, []);
-        receivers.forEach((receiver)=>receiver._pc = this);
-        return receivers;
-    };
-    _utils.wrapPeerConnectionEvent(window, "track", (e)=>{
-        e.receiver._pc = e.srcElement;
-        return e;
-    });
-    window.RTCRtpReceiver.prototype.getStats = function getStats() {
-        return this._pc.getStats(this.track);
-    };
-}
-function shimRemoveStream(window) {
-    if (!window.RTCPeerConnection || "removeStream" in window.RTCPeerConnection.prototype) return;
-    window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {
-        _utils.deprecated("removeStream", "removeTrack");
-        this.getSenders().forEach((sender)=>{
-            if (sender.track && stream.getTracks().includes(sender.track)) this.removeTrack(sender);
-        });
-    };
-}
-function shimRTCDataChannel(window) {
-    // rename DataChannel to RTCDataChannel (native fix in FF60):
-    // https://bugzilla.mozilla.org/show_bug.cgi?id=1173851
-    if (window.DataChannel && !window.RTCDataChannel) window.RTCDataChannel = window.DataChannel;
-}
-function shimAddTransceiver(window) {
-    // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647
-    // Firefox ignores the init sendEncodings options passed to addTransceiver
-    // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918
-    if (!(typeof window === "object" && window.RTCPeerConnection)) return;
-    const origAddTransceiver = window.RTCPeerConnection.prototype.addTransceiver;
-    if (origAddTransceiver) window.RTCPeerConnection.prototype.addTransceiver = function addTransceiver() {
-        this.setParametersPromises = [];
-        // WebIDL input coercion and validation
-        let sendEncodings = arguments[1] && arguments[1].sendEncodings;
-        if (sendEncodings === undefined) sendEncodings = [];
-        sendEncodings = [
-            ...sendEncodings
-        ];
-        const shouldPerformCheck = sendEncodings.length > 0;
-        if (shouldPerformCheck) // If sendEncodings params are provided, validate grammar
-        sendEncodings.forEach((encodingParam)=>{
-            if ("rid" in encodingParam) {
-                const ridRegex = /^[a-z0-9]{0,16}$/i;
-                if (!ridRegex.test(encodingParam.rid)) throw new TypeError("Invalid RID value provided.");
-            }
-            if ("scaleResolutionDownBy" in encodingParam) {
-                if (!(parseFloat(encodingParam.scaleResolutionDownBy) >= 1.0)) throw new RangeError("scale_resolution_down_by must be >= 1.0");
-            }
-            if ("maxFramerate" in encodingParam) {
-                if (!(parseFloat(encodingParam.maxFramerate) >= 0)) throw new RangeError("max_framerate must be >= 0.0");
-            }
-        });
-        const transceiver = origAddTransceiver.apply(this, arguments);
-        if (shouldPerformCheck) {
-            // Check if the init options were applied. If not we do this in an
-            // asynchronous way and save the promise reference in a global object.
-            // This is an ugly hack, but at the same time is way more robust than
-            // checking the sender parameters before and after the createOffer
-            // Also note that after the createoffer we are not 100% sure that
-            // the params were asynchronously applied so we might miss the
-            // opportunity to recreate offer.
-            const { sender } = transceiver;
-            const params = sender.getParameters();
-            if (!("encodings" in params) || // Avoid being fooled by patched getParameters() below.
-            params.encodings.length === 1 && Object.keys(params.encodings[0]).length === 0) {
-                params.encodings = sendEncodings;
-                sender.sendEncodings = sendEncodings;
-                this.setParametersPromises.push(sender.setParameters(params).then(()=>{
-                    delete sender.sendEncodings;
-                }).catch(()=>{
-                    delete sender.sendEncodings;
-                }));
-            }
-        }
-        return transceiver;
-    };
-}
-function shimGetParameters(window) {
-    if (!(typeof window === "object" && window.RTCRtpSender)) return;
-    const origGetParameters = window.RTCRtpSender.prototype.getParameters;
-    if (origGetParameters) window.RTCRtpSender.prototype.getParameters = function getParameters() {
-        const params = origGetParameters.apply(this, arguments);
-        if (!("encodings" in params)) params.encodings = [].concat(this.sendEncodings || [
-            {}
-        ]);
-        return params;
-    };
-}
-function shimCreateOffer(window) {
-    // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647
-    // Firefox ignores the init sendEncodings options passed to addTransceiver
-    // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918
-    if (!(typeof window === "object" && window.RTCPeerConnection)) return;
-    const origCreateOffer = window.RTCPeerConnection.prototype.createOffer;
-    window.RTCPeerConnection.prototype.createOffer = function createOffer() {
-        if (this.setParametersPromises && this.setParametersPromises.length) return Promise.all(this.setParametersPromises).then(()=>{
-            return origCreateOffer.apply(this, arguments);
-        }).finally(()=>{
-            this.setParametersPromises = [];
-        });
-        return origCreateOffer.apply(this, arguments);
-    };
-}
-function shimCreateAnswer(window) {
-    // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647
-    // Firefox ignores the init sendEncodings options passed to addTransceiver
-    // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918
-    if (!(typeof window === "object" && window.RTCPeerConnection)) return;
-    const origCreateAnswer = window.RTCPeerConnection.prototype.createAnswer;
-    window.RTCPeerConnection.prototype.createAnswer = function createAnswer() {
-        if (this.setParametersPromises && this.setParametersPromises.length) return Promise.all(this.setParametersPromises).then(()=>{
-            return origCreateAnswer.apply(this, arguments);
-        }).finally(()=>{
-            this.setParametersPromises = [];
-        });
-        return origCreateAnswer.apply(this, arguments);
-    };
-}
-
-},{"../utils":"eisBj","./getusermedia":"dWnBd","./getdisplaymedia":"9Ur4B","@parcel/transformer-js/src/esmodule-helpers.js":"AkPHX"}],"dWnBd":[function(require,module,exports) {
-/*
- *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree.
- */ /* eslint-env node */ var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
-parcelHelpers.defineInteropFlag(exports);
-parcelHelpers.export(exports, "shimGetUserMedia", ()=>shimGetUserMedia);
-var _utils = require("../utils");
-"use strict";
-function shimGetUserMedia(window, browserDetails) {
-    const navigator = window && window.navigator;
-    const MediaStreamTrack = window && window.MediaStreamTrack;
-    navigator.getUserMedia = function(constraints, onSuccess, onError) {
-        // Replace Firefox 44+'s deprecation warning with unprefixed version.
-        _utils.deprecated("navigator.getUserMedia", "navigator.mediaDevices.getUserMedia");
-        navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);
-    };
-    if (!(browserDetails.version > 55 && "autoGainControl" in navigator.mediaDevices.getSupportedConstraints())) {
-        const remap = function(obj, a, b) {
-            if (a in obj && !(b in obj)) {
-                obj[b] = obj[a];
-                delete obj[a];
-            }
-        };
-        const nativeGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);
-        navigator.mediaDevices.getUserMedia = function(c) {
-            if (typeof c === "object" && typeof c.audio === "object") {
-                c = JSON.parse(JSON.stringify(c));
-                remap(c.audio, "autoGainControl", "mozAutoGainControl");
-                remap(c.audio, "noiseSuppression", "mozNoiseSuppression");
-            }
-            return nativeGetUserMedia(c);
-        };
-        if (MediaStreamTrack && MediaStreamTrack.prototype.getSettings) {
-            const nativeGetSettings = MediaStreamTrack.prototype.getSettings;
-            MediaStreamTrack.prototype.getSettings = function() {
-                const obj = nativeGetSettings.apply(this, arguments);
-                remap(obj, "mozAutoGainControl", "autoGainControl");
-                remap(obj, "mozNoiseSuppression", "noiseSuppression");
-                return obj;
-            };
-        }
-        if (MediaStreamTrack && MediaStreamTrack.prototype.applyConstraints) {
-            const nativeApplyConstraints = MediaStreamTrack.prototype.applyConstraints;
-            MediaStreamTrack.prototype.applyConstraints = function(c) {
-                if (this.kind === "audio" && typeof c === "object") {
-                    c = JSON.parse(JSON.stringify(c));
-                    remap(c, "autoGainControl", "mozAutoGainControl");
-                    remap(c, "noiseSuppression", "mozNoiseSuppression");
-                }
-                return nativeApplyConstraints.apply(this, [
-                    c
-                ]);
-            };
-        }
-    }
-}
-
-},{"../utils":"eisBj","@parcel/transformer-js/src/esmodule-helpers.js":"AkPHX"}],"9Ur4B":[function(require,module,exports) {
-/*
- *  Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree.
- */ /* eslint-env node */ var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
-parcelHelpers.defineInteropFlag(exports);
-parcelHelpers.export(exports, "shimGetDisplayMedia", ()=>shimGetDisplayMedia);
-"use strict";
-function shimGetDisplayMedia(window, preferredMediaSource) {
-    if (window.navigator.mediaDevices && "getDisplayMedia" in window.navigator.mediaDevices) return;
-    if (!window.navigator.mediaDevices) return;
-    window.navigator.mediaDevices.getDisplayMedia = function getDisplayMedia(constraints) {
-        if (!(constraints && constraints.video)) {
-            const err = new DOMException("getDisplayMedia without video constraints is undefined");
-            err.name = "NotFoundError";
-            // from https://heycam.github.io/webidl/#idl-DOMException-error-names
-            err.code = 8;
-            return Promise.reject(err);
-        }
-        if (constraints.video === true) constraints.video = {
-            mediaSource: preferredMediaSource
-        };
-        else constraints.video.mediaSource = preferredMediaSource;
-        return window.navigator.mediaDevices.getUserMedia(constraints);
-    };
-}
-
-},{"@parcel/transformer-js/src/esmodule-helpers.js":"AkPHX"}],"e1njk":[function(require,module,exports) {
-/*
- *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree.
- */ var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
-parcelHelpers.defineInteropFlag(exports);
-parcelHelpers.export(exports, "shimLocalStreamsAPI", ()=>shimLocalStreamsAPI);
-parcelHelpers.export(exports, "shimRemoteStreamsAPI", ()=>shimRemoteStreamsAPI);
-parcelHelpers.export(exports, "shimCallbacksAPI", ()=>shimCallbacksAPI);
-parcelHelpers.export(exports, "shimGetUserMedia", ()=>shimGetUserMedia);
-parcelHelpers.export(exports, "shimConstraints", ()=>shimConstraints);
-parcelHelpers.export(exports, "shimRTCIceServerUrls", ()=>shimRTCIceServerUrls);
-parcelHelpers.export(exports, "shimTrackEventTransceiver", ()=>shimTrackEventTransceiver);
-parcelHelpers.export(exports, "shimCreateOfferLegacy", ()=>shimCreateOfferLegacy);
-parcelHelpers.export(exports, "shimAudioContext", ()=>shimAudioContext);
-var _utils = require("../utils");
-"use strict";
-function shimLocalStreamsAPI(window) {
-    if (typeof window !== "object" || !window.RTCPeerConnection) return;
-    if (!("getLocalStreams" in window.RTCPeerConnection.prototype)) window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {
-        if (!this._localStreams) this._localStreams = [];
-        return this._localStreams;
-    };
-    if (!("addStream" in window.RTCPeerConnection.prototype)) {
-        const _addTrack = window.RTCPeerConnection.prototype.addTrack;
-        window.RTCPeerConnection.prototype.addStream = function addStream(stream) {
-            if (!this._localStreams) this._localStreams = [];
-            if (!this._localStreams.includes(stream)) this._localStreams.push(stream);
-            // Try to emulate Chrome's behaviour of adding in audio-video order.
-            // Safari orders by track id.
-            stream.getAudioTracks().forEach((track)=>_addTrack.call(this, track, stream));
-            stream.getVideoTracks().forEach((track)=>_addTrack.call(this, track, stream));
-        };
-        window.RTCPeerConnection.prototype.addTrack = function addTrack(track, ...streams) {
-            if (streams) streams.forEach((stream)=>{
-                if (!this._localStreams) this._localStreams = [
-                    stream
-                ];
-                else if (!this._localStreams.includes(stream)) this._localStreams.push(stream);
-            });
-            return _addTrack.apply(this, arguments);
-        };
-    }
-    if (!("removeStream" in window.RTCPeerConnection.prototype)) window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {
-        if (!this._localStreams) this._localStreams = [];
-        const index = this._localStreams.indexOf(stream);
-        if (index === -1) return;
-        this._localStreams.splice(index, 1);
-        const tracks = stream.getTracks();
-        this.getSenders().forEach((sender)=>{
-            if (tracks.includes(sender.track)) this.removeTrack(sender);
-        });
-    };
-}
-function shimRemoteStreamsAPI(window) {
-    if (typeof window !== "object" || !window.RTCPeerConnection) return;
-    if (!("getRemoteStreams" in window.RTCPeerConnection.prototype)) window.RTCPeerConnection.prototype.getRemoteStreams = function getRemoteStreams() {
-        return this._remoteStreams ? this._remoteStreams : [];
-    };
-    if (!("onaddstream" in window.RTCPeerConnection.prototype)) {
-        Object.defineProperty(window.RTCPeerConnection.prototype, "onaddstream", {
-            get () {
-                return this._onaddstream;
-            },
-            set (f) {
-                if (this._onaddstream) {
-                    this.removeEventListener("addstream", this._onaddstream);
-                    this.removeEventListener("track", this._onaddstreampoly);
-                }
-                this.addEventListener("addstream", this._onaddstream = f);
-                this.addEventListener("track", this._onaddstreampoly = (e)=>{
-                    e.streams.forEach((stream)=>{
-                        if (!this._remoteStreams) this._remoteStreams = [];
-                        if (this._remoteStreams.includes(stream)) return;
-                        this._remoteStreams.push(stream);
-                        const event = new Event("addstream");
-                        event.stream = stream;
-                        this.dispatchEvent(event);
-                    });
-                });
-            }
-        });
-        const origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;
-        window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {
-            const pc = this;
-            if (!this._onaddstreampoly) this.addEventListener("track", this._onaddstreampoly = function(e) {
-                e.streams.forEach((stream)=>{
-                    if (!pc._remoteStreams) pc._remoteStreams = [];
-                    if (pc._remoteStreams.indexOf(stream) >= 0) return;
-                    pc._remoteStreams.push(stream);
-                    const event = new Event("addstream");
-                    event.stream = stream;
-                    pc.dispatchEvent(event);
-                });
-            });
-            return origSetRemoteDescription.apply(pc, arguments);
-        };
-    }
-}
-function shimCallbacksAPI(window) {
-    if (typeof window !== "object" || !window.RTCPeerConnection) return;
-    const prototype = window.RTCPeerConnection.prototype;
-    const origCreateOffer = prototype.createOffer;
-    const origCreateAnswer = prototype.createAnswer;
-    const setLocalDescription = prototype.setLocalDescription;
-    const setRemoteDescription = prototype.setRemoteDescription;
-    const addIceCandidate = prototype.addIceCandidate;
-    prototype.createOffer = function createOffer(successCallback, failureCallback) {
-        const options = arguments.length >= 2 ? arguments[2] : arguments[0];
-        const promise = origCreateOffer.apply(this, [
-            options
-        ]);
-        if (!failureCallback) return promise;
-        promise.then(successCallback, failureCallback);
-        return Promise.resolve();
-    };
-    prototype.createAnswer = function createAnswer(successCallback, failureCallback) {
-        const options = arguments.length >= 2 ? arguments[2] : arguments[0];
-        const promise = origCreateAnswer.apply(this, [
-            options
-        ]);
-        if (!failureCallback) return promise;
-        promise.then(successCallback, failureCallback);
-        return Promise.resolve();
-    };
-    let withCallback = function(description, successCallback, failureCallback) {
-        const promise = setLocalDescription.apply(this, [
-            description
-        ]);
-        if (!failureCallback) return promise;
-        promise.then(successCallback, failureCallback);
-        return Promise.resolve();
-    };
-    prototype.setLocalDescription = withCallback;
-    withCallback = function(description, successCallback, failureCallback) {
-        const promise = setRemoteDescription.apply(this, [
-            description
-        ]);
-        if (!failureCallback) return promise;
-        promise.then(successCallback, failureCallback);
-        return Promise.resolve();
-    };
-    prototype.setRemoteDescription = withCallback;
-    withCallback = function(candidate, successCallback, failureCallback) {
-        const promise = addIceCandidate.apply(this, [
-            candidate
-        ]);
-        if (!failureCallback) return promise;
-        promise.then(successCallback, failureCallback);
-        return Promise.resolve();
-    };
-    prototype.addIceCandidate = withCallback;
-}
-function shimGetUserMedia(window) {
-    const navigator = window && window.navigator;
-    if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {
-        // shim not needed in Safari 12.1
-        const mediaDevices = navigator.mediaDevices;
-        const _getUserMedia = mediaDevices.getUserMedia.bind(mediaDevices);
-        navigator.mediaDevices.getUserMedia = (constraints)=>{
-            return _getUserMedia(shimConstraints(constraints));
-        };
-    }
-    if (!navigator.getUserMedia && navigator.mediaDevices && navigator.mediaDevices.getUserMedia) navigator.getUserMedia = (function getUserMedia(constraints, cb, errcb) {
-        navigator.mediaDevices.getUserMedia(constraints).then(cb, errcb);
-    }).bind(navigator);
-}
-function shimConstraints(constraints) {
-    if (constraints && constraints.video !== undefined) return Object.assign({}, constraints, {
-        video: _utils.compactObject(constraints.video)
-    });
-    return constraints;
-}
-function shimRTCIceServerUrls(window) {
-    if (!window.RTCPeerConnection) return;
-    // migrate from non-spec RTCIceServer.url to RTCIceServer.urls
-    const OrigPeerConnection = window.RTCPeerConnection;
-    window.RTCPeerConnection = function RTCPeerConnection(pcConfig, pcConstraints) {
-        if (pcConfig && pcConfig.iceServers) {
-            const newIceServers = [];
-            for(let i = 0; i < pcConfig.iceServers.length; i++){
-                let server = pcConfig.iceServers[i];
-                if (server.urls === undefined && server.url) {
-                    _utils.deprecated("RTCIceServer.url", "RTCIceServer.urls");
-                    server = JSON.parse(JSON.stringify(server));
-                    server.urls = server.url;
-                    delete server.url;
-                    newIceServers.push(server);
-                } else newIceServers.push(pcConfig.iceServers[i]);
-            }
-            pcConfig.iceServers = newIceServers;
-        }
-        return new OrigPeerConnection(pcConfig, pcConstraints);
-    };
-    window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;
-    // wrap static methods. Currently just generateCertificate.
-    if ("generateCertificate" in OrigPeerConnection) Object.defineProperty(window.RTCPeerConnection, "generateCertificate", {
-        get () {
-            return OrigPeerConnection.generateCertificate;
-        }
-    });
-}
-function shimTrackEventTransceiver(window) {
-    // Add event.transceiver member over deprecated event.receiver
-    if (typeof window === "object" && window.RTCTrackEvent && "receiver" in window.RTCTrackEvent.prototype && !("transceiver" in window.RTCTrackEvent.prototype)) Object.defineProperty(window.RTCTrackEvent.prototype, "transceiver", {
-        get () {
-            return {
-                receiver: this.receiver
-            };
-        }
-    });
-}
-function shimCreateOfferLegacy(window) {
-    const origCreateOffer = window.RTCPeerConnection.prototype.createOffer;
-    window.RTCPeerConnection.prototype.createOffer = function createOffer(offerOptions) {
-        if (offerOptions) {
-            if (typeof offerOptions.offerToReceiveAudio !== "undefined") // support bit values
-            offerOptions.offerToReceiveAudio = !!offerOptions.offerToReceiveAudio;
-            const audioTransceiver = this.getTransceivers().find((transceiver)=>transceiver.receiver.track.kind === "audio");
-            if (offerOptions.offerToReceiveAudio === false && audioTransceiver) {
-                if (audioTransceiver.direction === "sendrecv") {
-                    if (audioTransceiver.setDirection) audioTransceiver.setDirection("sendonly");
-                    else audioTransceiver.direction = "sendonly";
-                } else if (audioTransceiver.direction === "recvonly") {
-                    if (audioTransceiver.setDirection) audioTransceiver.setDirection("inactive");
-                    else audioTransceiver.direction = "inactive";
-                }
-            } else if (offerOptions.offerToReceiveAudio === true && !audioTransceiver) this.addTransceiver("audio", {
-                direction: "recvonly"
-            });
-            if (typeof offerOptions.offerToReceiveVideo !== "undefined") // support bit values
-            offerOptions.offerToReceiveVideo = !!offerOptions.offerToReceiveVideo;
-            const videoTransceiver = this.getTransceivers().find((transceiver)=>transceiver.receiver.track.kind === "video");
-            if (offerOptions.offerToReceiveVideo === false && videoTransceiver) {
-                if (videoTransceiver.direction === "sendrecv") {
-                    if (videoTransceiver.setDirection) videoTransceiver.setDirection("sendonly");
-                    else videoTransceiver.direction = "sendonly";
-                } else if (videoTransceiver.direction === "recvonly") {
-                    if (videoTransceiver.setDirection) videoTransceiver.setDirection("inactive");
-                    else videoTransceiver.direction = "inactive";
-                }
-            } else if (offerOptions.offerToReceiveVideo === true && !videoTransceiver) this.addTransceiver("video", {
-                direction: "recvonly"
-            });
-        }
-        return origCreateOffer.apply(this, arguments);
-    };
-}
-function shimAudioContext(window) {
-    if (typeof window !== "object" || window.AudioContext) return;
-    window.AudioContext = window.webkitAudioContext;
-}
-
-},{"../utils":"eisBj","@parcel/transformer-js/src/esmodule-helpers.js":"AkPHX"}],"cyshS":[function(require,module,exports) {
-/*
- *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree.
- */ /* eslint-env node */ var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
-parcelHelpers.defineInteropFlag(exports);
-parcelHelpers.export(exports, "shimRTCIceCandidate", ()=>shimRTCIceCandidate);
-parcelHelpers.export(exports, "shimRTCIceCandidateRelayProtocol", ()=>shimRTCIceCandidateRelayProtocol);
-parcelHelpers.export(exports, "shimMaxMessageSize", ()=>shimMaxMessageSize);
-parcelHelpers.export(exports, "shimSendThrowTypeError", ()=>shimSendThrowTypeError);
-/* shims RTCConnectionState by pretending it is the same as iceConnectionState.
- * See https://bugs.chromium.org/p/webrtc/issues/detail?id=6145#c12
- * for why this is a valid hack in Chrome. In Firefox it is slightly incorrect
- * since DTLS failures would be hidden. See
- * https://bugzilla.mozilla.org/show_bug.cgi?id=1265827
- * for the Firefox tracking bug.
- */ parcelHelpers.export(exports, "shimConnectionState", ()=>shimConnectionState);
-parcelHelpers.export(exports, "removeExtmapAllowMixed", ()=>removeExtmapAllowMixed);
-parcelHelpers.export(exports, "shimAddIceCandidateNullOrEmpty", ()=>shimAddIceCandidateNullOrEmpty);
-// Note: Make sure to call this ahead of APIs that modify
-// setLocalDescription.length
-parcelHelpers.export(exports, "shimParameterlessSetLocalDescription", ()=>shimParameterlessSetLocalDescription);
-var _sdp = require("sdp");
-var _sdpDefault = parcelHelpers.interopDefault(_sdp);
-var _utils = require("./utils");
-"use strict";
-function shimRTCIceCandidate(window) {
-    // foundation is arbitrarily chosen as an indicator for full support for
-    // https://w3c.github.io/webrtc-pc/#rtcicecandidate-interface
-    if (!window.RTCIceCandidate || window.RTCIceCandidate && "foundation" in window.RTCIceCandidate.prototype) return;
-    const NativeRTCIceCandidate = window.RTCIceCandidate;
-    window.RTCIceCandidate = function RTCIceCandidate(args) {
-        // Remove the a= which shouldn't be part of the candidate string.
-        if (typeof args === "object" && args.candidate && args.candidate.indexOf("a=") === 0) {
-            args = JSON.parse(JSON.stringify(args));
-            args.candidate = args.candidate.substring(2);
-        }
-        if (args.candidate && args.candidate.length) {
-            // Augment the native candidate with the parsed fields.
-            const nativeCandidate = new NativeRTCIceCandidate(args);
-            const parsedCandidate = (0, _sdpDefault.default).parseCandidate(args.candidate);
-            for(const key in parsedCandidate)if (!(key in nativeCandidate)) Object.defineProperty(nativeCandidate, key, {
-                value: parsedCandidate[key]
-            });
-            // Override serializer to not serialize the extra attributes.
-            nativeCandidate.toJSON = function toJSON() {
-                return {
-                    candidate: nativeCandidate.candidate,
-                    sdpMid: nativeCandidate.sdpMid,
-                    sdpMLineIndex: nativeCandidate.sdpMLineIndex,
-                    usernameFragment: nativeCandidate.usernameFragment
-                };
-            };
-            return nativeCandidate;
-        }
-        return new NativeRTCIceCandidate(args);
-    };
-    window.RTCIceCandidate.prototype = NativeRTCIceCandidate.prototype;
-    // Hook up the augmented candidate in onicecandidate and
-    // addEventListener('icecandidate', ...)
-    _utils.wrapPeerConnectionEvent(window, "icecandidate", (e)=>{
-        if (e.candidate) Object.defineProperty(e, "candidate", {
-            value: new window.RTCIceCandidate(e.candidate),
-            writable: "false"
-        });
-        return e;
-    });
-}
-function shimRTCIceCandidateRelayProtocol(window) {
-    if (!window.RTCIceCandidate || window.RTCIceCandidate && "relayProtocol" in window.RTCIceCandidate.prototype) return;
-    // Hook up the augmented candidate in onicecandidate and
-    // addEventListener('icecandidate', ...)
-    _utils.wrapPeerConnectionEvent(window, "icecandidate", (e)=>{
-        if (e.candidate) {
-            const parsedCandidate = (0, _sdpDefault.default).parseCandidate(e.candidate.candidate);
-            if (parsedCandidate.type === "relay") // This is a libwebrtc-specific mapping of local type preference
-            // to relayProtocol.
-            e.candidate.relayProtocol = ({
-                0: "tls",
-                1: "tcp",
-                2: "udp"
-            })[parsedCandidate.priority >> 24];
-        }
-        return e;
-    });
-}
-function shimMaxMessageSize(window, browserDetails) {
-    if (!window.RTCPeerConnection) return;
-    if (!("sctp" in window.RTCPeerConnection.prototype)) Object.defineProperty(window.RTCPeerConnection.prototype, "sctp", {
-        get () {
-            return typeof this._sctp === "undefined" ? null : this._sctp;
-        }
-    });
-    const sctpInDescription = function(description) {
-        if (!description || !description.sdp) return false;
-        const sections = (0, _sdpDefault.default).splitSections(description.sdp);
-        sections.shift();
-        return sections.some((mediaSection)=>{
-            const mLine = (0, _sdpDefault.default).parseMLine(mediaSection);
-            return mLine && mLine.kind === "application" && mLine.protocol.indexOf("SCTP") !== -1;
-        });
-    };
-    const getRemoteFirefoxVersion = function(description) {
-        // TODO: Is there a better solution for detecting Firefox?
-        const match = description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);
-        if (match === null || match.length < 2) return -1;
-        const version = parseInt(match[1], 10);
-        // Test for NaN (yes, this is ugly)
-        return version !== version ? -1 : version;
-    };
-    const getCanSendMaxMessageSize = function(remoteIsFirefox) {
-        // Every implementation we know can send at least 64 KiB.
-        // Note: Although Chrome is technically able to send up to 256 KiB, the
-        //       data does not reach the other peer reliably.
-        //       See: https://bugs.chromium.org/p/webrtc/issues/detail?id=8419
-        let canSendMaxMessageSize = 65536;
-        if (browserDetails.browser === "firefox") {
-            if (browserDetails.version < 57) {
-                if (remoteIsFirefox === -1) // FF < 57 will send in 16 KiB chunks using the deprecated PPID
-                // fragmentation.
-                canSendMaxMessageSize = 16384;
-                else // However, other FF (and RAWRTC) can reassemble PPID-fragmented
-                // messages. Thus, supporting ~2 GiB when sending.
-                canSendMaxMessageSize = 2147483637;
-            } else if (browserDetails.version < 60) // Currently, all FF >= 57 will reset the remote maximum message size
-            // to the default value when a data channel is created at a later
-            // stage. :(
-            // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831
-            canSendMaxMessageSize = browserDetails.version === 57 ? 65535 : 65536;
-            else // FF >= 60 supports sending ~2 GiB
-            canSendMaxMessageSize = 2147483637;
-        }
-        return canSendMaxMessageSize;
-    };
-    const getMaxMessageSize = function(description, remoteIsFirefox) {
-        // Note: 65536 bytes is the default value from the SDP spec. Also,
-        //       every implementation we know supports receiving 65536 bytes.
-        let maxMessageSize = 65536;
-        // FF 57 has a slightly incorrect default remote max message size, so
-        // we need to adjust it here to avoid a failure when sending.
-        // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1425697
-        if (browserDetails.browser === "firefox" && browserDetails.version === 57) maxMessageSize = 65535;
-        const match = (0, _sdpDefault.default).matchPrefix(description.sdp, "a=max-message-size:");
-        if (match.length > 0) maxMessageSize = parseInt(match[0].substring(19), 10);
-        else if (browserDetails.browser === "firefox" && remoteIsFirefox !== -1) // If the maximum message size is not present in the remote SDP and
-        // both local and remote are Firefox, the remote peer can receive
-        // ~2 GiB.
-        maxMessageSize = 2147483637;
-        return maxMessageSize;
-    };
-    const origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;
-    window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {
-        this._sctp = null;
-        // Chrome decided to not expose .sctp in plan-b mode.
-        // As usual, adapter.js has to do an 'ugly worakaround'
-        // to cover up the mess.
-        if (browserDetails.browser === "chrome" && browserDetails.version >= 76) {
-            const { sdpSemantics } = this.getConfiguration();
-            if (sdpSemantics === "plan-b") Object.defineProperty(this, "sctp", {
-                get () {
-                    return typeof this._sctp === "undefined" ? null : this._sctp;
-                },
-                enumerable: true,
-                configurable: true
-            });
-        }
-        if (sctpInDescription(arguments[0])) {
-            // Check if the remote is FF.
-            const isFirefox = getRemoteFirefoxVersion(arguments[0]);
-            // Get the maximum message size the local peer is capable of sending
-            const canSendMMS = getCanSendMaxMessageSize(isFirefox);
-            // Get the maximum message size of the remote peer.
-            const remoteMMS = getMaxMessageSize(arguments[0], isFirefox);
-            // Determine final maximum message size
-            let maxMessageSize;
-            if (canSendMMS === 0 && remoteMMS === 0) maxMessageSize = Number.POSITIVE_INFINITY;
-            else if (canSendMMS === 0 || remoteMMS === 0) maxMessageSize = Math.max(canSendMMS, remoteMMS);
-            else maxMessageSize = Math.min(canSendMMS, remoteMMS);
-            // Create a dummy RTCSctpTransport object and the 'maxMessageSize'
-            // attribute.
-            const sctp = {};
-            Object.defineProperty(sctp, "maxMessageSize", {
-                get () {
-                    return maxMessageSize;
-                }
-            });
-            this._sctp = sctp;
-        }
-        return origSetRemoteDescription.apply(this, arguments);
-    };
-}
-function shimSendThrowTypeError(window) {
-    if (!(window.RTCPeerConnection && "createDataChannel" in window.RTCPeerConnection.prototype)) return;
-    // Note: Although Firefox >= 57 has a native implementation, the maximum
-    //       message size can be reset for all data channels at a later stage.
-    //       See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831
-    function wrapDcSend(dc, pc) {
-        const origDataChannelSend = dc.send;
-        dc.send = function send() {
-            const data = arguments[0];
-            const length = data.length || data.size || data.byteLength;
-            if (dc.readyState === "open" && pc.sctp && length > pc.sctp.maxMessageSize) throw new TypeError("Message too large (can send a maximum of " + pc.sctp.maxMessageSize + " bytes)");
-            return origDataChannelSend.apply(dc, arguments);
-        };
-    }
-    const origCreateDataChannel = window.RTCPeerConnection.prototype.createDataChannel;
-    window.RTCPeerConnection.prototype.createDataChannel = function createDataChannel() {
-        const dataChannel = origCreateDataChannel.apply(this, arguments);
-        wrapDcSend(dataChannel, this);
-        return dataChannel;
-    };
-    _utils.wrapPeerConnectionEvent(window, "datachannel", (e)=>{
-        wrapDcSend(e.channel, e.target);
-        return e;
-    });
-}
-function shimConnectionState(window) {
-    if (!window.RTCPeerConnection || "connectionState" in window.RTCPeerConnection.prototype) return;
-    const proto = window.RTCPeerConnection.prototype;
-    Object.defineProperty(proto, "connectionState", {
-        get () {
-            return ({
-                completed: "connected",
-                checking: "connecting"
-            })[this.iceConnectionState] || this.iceConnectionState;
-        },
-        enumerable: true,
-        configurable: true
-    });
-    Object.defineProperty(proto, "onconnectionstatechange", {
-        get () {
-            return this._onconnectionstatechange || null;
-        },
-        set (cb) {
-            if (this._onconnectionstatechange) {
-                this.removeEventListener("connectionstatechange", this._onconnectionstatechange);
-                delete this._onconnectionstatechange;
-            }
-            if (cb) this.addEventListener("connectionstatechange", this._onconnectionstatechange = cb);
-        },
-        enumerable: true,
-        configurable: true
-    });
-    [
-        "setLocalDescription",
-        "setRemoteDescription"
-    ].forEach((method)=>{
-        const origMethod = proto[method];
-        proto[method] = function() {
-            if (!this._connectionstatechangepoly) {
-                this._connectionstatechangepoly = (e)=>{
-                    const pc = e.target;
-                    if (pc._lastConnectionState !== pc.connectionState) {
-                        pc._lastConnectionState = pc.connectionState;
-                        const newEvent = new Event("connectionstatechange", e);
-                        pc.dispatchEvent(newEvent);
-                    }
-                    return e;
-                };
-                this.addEventListener("iceconnectionstatechange", this._connectionstatechangepoly);
-            }
-            return origMethod.apply(this, arguments);
-        };
-    });
-}
-function removeExtmapAllowMixed(window, browserDetails) {
-    /* remove a=extmap-allow-mixed for webrtc.org < M71 */ if (!window.RTCPeerConnection) return;
-    if (browserDetails.browser === "chrome" && browserDetails.version >= 71) return;
-    if (browserDetails.browser === "safari" && browserDetails.version >= 605) return;
-    const nativeSRD = window.RTCPeerConnection.prototype.setRemoteDescription;
-    window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription(desc) {
-        if (desc && desc.sdp && desc.sdp.indexOf("\na=extmap-allow-mixed") !== -1) {
-            const sdp = desc.sdp.split("\n").filter((line)=>{
-                return line.trim() !== "a=extmap-allow-mixed";
-            }).join("\n");
-            // Safari enforces read-only-ness of RTCSessionDescription fields.
-            if (window.RTCSessionDescription && desc instanceof window.RTCSessionDescription) arguments[0] = new window.RTCSessionDescription({
-                type: desc.type,
-                sdp
-            });
-            else desc.sdp = sdp;
-        }
-        return nativeSRD.apply(this, arguments);
-    };
-}
-function shimAddIceCandidateNullOrEmpty(window, browserDetails) {
-    // Support for addIceCandidate(null or undefined)
-    // as well as addIceCandidate({candidate: "", ...})
-    // https://bugs.chromium.org/p/chromium/issues/detail?id=978582
-    // Note: must be called before other polyfills which change the signature.
-    if (!(window.RTCPeerConnection && window.RTCPeerConnection.prototype)) return;
-    const nativeAddIceCandidate = window.RTCPeerConnection.prototype.addIceCandidate;
-    if (!nativeAddIceCandidate || nativeAddIceCandidate.length === 0) return;
-    window.RTCPeerConnection.prototype.addIceCandidate = function addIceCandidate() {
-        if (!arguments[0]) {
-            if (arguments[1]) arguments[1].apply(null);
-            return Promise.resolve();
-        }
-        // Firefox 68+ emits and processes {candidate: "", ...}, ignore
-        // in older versions.
-        // Native support for ignoring exists for Chrome M77+.
-        // Safari ignores as well, exact version unknown but works in the same
-        // version that also ignores addIceCandidate(null).
-        if ((browserDetails.browser === "chrome" && browserDetails.version < 78 || browserDetails.browser === "firefox" && browserDetails.version < 68 || browserDetails.browser === "safari") && arguments[0] && arguments[0].candidate === "") return Promise.resolve();
-        return nativeAddIceCandidate.apply(this, arguments);
-    };
-}
-function shimParameterlessSetLocalDescription(window, browserDetails) {
-    if (!(window.RTCPeerConnection && window.RTCPeerConnection.prototype)) return;
-    const nativeSetLocalDescription = window.RTCPeerConnection.prototype.setLocalDescription;
-    if (!nativeSetLocalDescription || nativeSetLocalDescription.length === 0) return;
-    window.RTCPeerConnection.prototype.setLocalDescription = function setLocalDescription() {
-        let desc = arguments[0] || {};
-        if (typeof desc !== "object" || desc.type && desc.sdp) return nativeSetLocalDescription.apply(this, arguments);
-        // The remaining steps should technically happen when SLD comes off the
-        // RTCPeerConnection's operations chain (not ahead of going on it), but
-        // this is too difficult to shim. Instead, this shim only covers the
-        // common case where the operations chain is empty. This is imperfect, but
-        // should cover many cases. Rationale: Even if we can't reduce the glare
-        // window to zero on imperfect implementations, there's value in tapping
-        // into the perfect negotiation pattern that several browsers support.
-        desc = {
-            type: desc.type,
-            sdp: desc.sdp
-        };
-        if (!desc.type) switch(this.signalingState){
-            case "stable":
-            case "have-local-offer":
-            case "have-remote-pranswer":
-                desc.type = "offer";
-                break;
-            default:
-                desc.type = "answer";
-                break;
-        }
-        if (desc.sdp || desc.type !== "offer" && desc.type !== "answer") return nativeSetLocalDescription.apply(this, [
-            desc
-        ]);
-        const func = desc.type === "offer" ? this.createOffer : this.createAnswer;
-        return func.apply(this).then((d)=>nativeSetLocalDescription.apply(this, [
-                d
-            ]));
-    };
-}
-
-},{"sdp":"gkuxw","./utils":"eisBj","@parcel/transformer-js/src/esmodule-helpers.js":"AkPHX"}],"gkuxw":[function(require,module,exports) {
-/* eslint-env node */ "use strict";
-// SDP helpers.
-const SDPUtils = {};
-// Generate an alphanumeric identifier for cname or mids.
-// TODO: use UUIDs instead? https://gist.github.com/jed/982883
-SDPUtils.generateIdentifier = function() {
-    return Math.random().toString(36).substring(2, 12);
-};
-// The RTCP CNAME used by all peerconnections from the same JS.
-SDPUtils.localCName = SDPUtils.generateIdentifier();
-// Splits SDP into lines, dealing with both CRLF and LF.
-SDPUtils.splitLines = function(blob) {
-    return blob.trim().split("\n").map((line)=>line.trim());
-};
-// Splits SDP into sessionpart and mediasections. Ensures CRLF.
-SDPUtils.splitSections = function(blob) {
-    const parts = blob.split("\nm=");
-    return parts.map((part, index)=>(index > 0 ? "m=" + part : part).trim() + "\r\n");
-};
-// Returns the session description.
-SDPUtils.getDescription = function(blob) {
-    const sections = SDPUtils.splitSections(blob);
-    return sections && sections[0];
-};
-// Returns the individual media sections.
-SDPUtils.getMediaSections = function(blob) {
-    const sections = SDPUtils.splitSections(blob);
-    sections.shift();
-    return sections;
-};
-// Returns lines that start with a certain prefix.
-SDPUtils.matchPrefix = function(blob, prefix) {
-    return SDPUtils.splitLines(blob).filter((line)=>line.indexOf(prefix) === 0);
-};
-// Parses an ICE candidate line. Sample input:
-// candidate:702786350 2 udp 41819902 8.8.8.8 60769 typ relay raddr 8.8.8.8
-// rport 55996"
-// Input can be prefixed with a=.
-SDPUtils.parseCandidate = function(line) {
-    let parts;
-    // Parse both variants.
-    if (line.indexOf("a=candidate:") === 0) parts = line.substring(12).split(" ");
-    else parts = line.substring(10).split(" ");
-    const candidate = {
-        foundation: parts[0],
-        component: {
-            1: "rtp",
-            2: "rtcp"
-        }[parts[1]] || parts[1],
-        protocol: parts[2].toLowerCase(),
-        priority: parseInt(parts[3], 10),
-        ip: parts[4],
-        address: parts[4],
-        port: parseInt(parts[5], 10),
-        // skip parts[6] == 'typ'
-        type: parts[7]
-    };
-    for(let i = 8; i < parts.length; i += 2)switch(parts[i]){
-        case "raddr":
-            candidate.relatedAddress = parts[i + 1];
-            break;
-        case "rport":
-            candidate.relatedPort = parseInt(parts[i + 1], 10);
-            break;
-        case "tcptype":
-            candidate.tcpType = parts[i + 1];
-            break;
-        case "ufrag":
-            candidate.ufrag = parts[i + 1]; // for backward compatibility.
-            candidate.usernameFragment = parts[i + 1];
-            break;
-        default:
-            if (candidate[parts[i]] === undefined) candidate[parts[i]] = parts[i + 1];
-            break;
-    }
-    return candidate;
-};
-// Translates a candidate object into SDP candidate attribute.
-// This does not include the a= prefix!
-SDPUtils.writeCandidate = function(candidate) {
-    const sdp = [];
-    sdp.push(candidate.foundation);
-    const component = candidate.component;
-    if (component === "rtp") sdp.push(1);
-    else if (component === "rtcp") sdp.push(2);
-    else sdp.push(component);
-    sdp.push(candidate.protocol.toUpperCase());
-    sdp.push(candidate.priority);
-    sdp.push(candidate.address || candidate.ip);
-    sdp.push(candidate.port);
-    const type = candidate.type;
-    sdp.push("typ");
-    sdp.push(type);
-    if (type !== "host" && candidate.relatedAddress && candidate.relatedPort) {
-        sdp.push("raddr");
-        sdp.push(candidate.relatedAddress);
-        sdp.push("rport");
-        sdp.push(candidate.relatedPort);
-    }
-    if (candidate.tcpType && candidate.protocol.toLowerCase() === "tcp") {
-        sdp.push("tcptype");
-        sdp.push(candidate.tcpType);
-    }
-    if (candidate.usernameFragment || candidate.ufrag) {
-        sdp.push("ufrag");
-        sdp.push(candidate.usernameFragment || candidate.ufrag);
-    }
-    return "candidate:" + sdp.join(" ");
-};
-// Parses an ice-options line, returns an array of option tags.
-// Sample input:
-// a=ice-options:foo bar
-SDPUtils.parseIceOptions = function(line) {
-    return line.substring(14).split(" ");
-};
-// Parses a rtpmap line, returns RTCRtpCoddecParameters. Sample input:
-// a=rtpmap:111 opus/48000/2
-SDPUtils.parseRtpMap = function(line) {
-    let parts = line.substring(9).split(" ");
-    const parsed = {
-        payloadType: parseInt(parts.shift(), 10)
-    };
-    parts = parts[0].split("/");
-    parsed.name = parts[0];
-    parsed.clockRate = parseInt(parts[1], 10); // was: clockrate
-    parsed.channels = parts.length === 3 ? parseInt(parts[2], 10) : 1;
-    // legacy alias, got renamed back to channels in ORTC.
-    parsed.numChannels = parsed.channels;
-    return parsed;
-};
-// Generates a rtpmap line from RTCRtpCodecCapability or
-// RTCRtpCodecParameters.
-SDPUtils.writeRtpMap = function(codec) {
-    let pt = codec.payloadType;
-    if (codec.preferredPayloadType !== undefined) pt = codec.preferredPayloadType;
-    const channels = codec.channels || codec.numChannels || 1;
-    return "a=rtpmap:" + pt + " " + codec.name + "/" + codec.clockRate + (channels !== 1 ? "/" + channels : "") + "\r\n";
-};
-// Parses a extmap line (headerextension from RFC 5285). Sample input:
-// a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
-// a=extmap:2/sendonly urn:ietf:params:rtp-hdrext:toffset
-SDPUtils.parseExtmap = function(line) {
-    const parts = line.substring(9).split(" ");
-    return {
-        id: parseInt(parts[0], 10),
-        direction: parts[0].indexOf("/") > 0 ? parts[0].split("/")[1] : "sendrecv",
-        uri: parts[1],
-        attributes: parts.slice(2).join(" ")
-    };
-};
-// Generates an extmap line from RTCRtpHeaderExtensionParameters or
-// RTCRtpHeaderExtension.
-SDPUtils.writeExtmap = function(headerExtension) {
-    return "a=extmap:" + (headerExtension.id || headerExtension.preferredId) + (headerExtension.direction && headerExtension.direction !== "sendrecv" ? "/" + headerExtension.direction : "") + " " + headerExtension.uri + (headerExtension.attributes ? " " + headerExtension.attributes : "") + "\r\n";
-};
-// Parses a fmtp line, returns dictionary. Sample input:
-// a=fmtp:96 vbr=on;cng=on
-// Also deals with vbr=on; cng=on
-SDPUtils.parseFmtp = function(line) {
-    const parsed = {};
-    let kv;
-    const parts = line.substring(line.indexOf(" ") + 1).split(";");
-    for(let j = 0; j < parts.length; j++){
-        kv = parts[j].trim().split("=");
-        parsed[kv[0].trim()] = kv[1];
-    }
-    return parsed;
-};
-// Generates a fmtp line from RTCRtpCodecCapability or RTCRtpCodecParameters.
-SDPUtils.writeFmtp = function(codec) {
-    let line = "";
-    let pt = codec.payloadType;
-    if (codec.preferredPayloadType !== undefined) pt = codec.preferredPayloadType;
-    if (codec.parameters && Object.keys(codec.parameters).length) {
-        const params = [];
-        Object.keys(codec.parameters).forEach((param)=>{
-            if (codec.parameters[param] !== undefined) params.push(param + "=" + codec.parameters[param]);
-            else params.push(param);
-        });
-        line += "a=fmtp:" + pt + " " + params.join(";") + "\r\n";
-    }
-    return line;
-};
-// Parses a rtcp-fb line, returns RTCPRtcpFeedback object. Sample input:
-// a=rtcp-fb:98 nack rpsi
-SDPUtils.parseRtcpFb = function(line) {
-    const parts = line.substring(line.indexOf(" ") + 1).split(" ");
-    return {
-        type: parts.shift(),
-        parameter: parts.join(" ")
-    };
-};
-// Generate a=rtcp-fb lines from RTCRtpCodecCapability or RTCRtpCodecParameters.
-SDPUtils.writeRtcpFb = function(codec) {
-    let lines = "";
-    let pt = codec.payloadType;
-    if (codec.preferredPayloadType !== undefined) pt = codec.preferredPayloadType;
-    if (codec.rtcpFeedback && codec.rtcpFeedback.length) // FIXME: special handling for trr-int?
-    codec.rtcpFeedback.forEach((fb)=>{
-        lines += "a=rtcp-fb:" + pt + " " + fb.type + (fb.parameter && fb.parameter.length ? " " + fb.parameter : "") + "\r\n";
-    });
-    return lines;
-};
-// Parses a RFC 5576 ssrc media attribute. Sample input:
-// a=ssrc:3735928559 cname:something
-SDPUtils.parseSsrcMedia = function(line) {
-    const sp = line.indexOf(" ");
-    const parts = {
-        ssrc: parseInt(line.substring(7, sp), 10)
-    };
-    const colon = line.indexOf(":", sp);
-    if (colon > -1) {
-        parts.attribute = line.substring(sp + 1, colon);
-        parts.value = line.substring(colon + 1);
-    } else parts.attribute = line.substring(sp + 1);
-    return parts;
-};
-// Parse a ssrc-group line (see RFC 5576). Sample input:
-// a=ssrc-group:semantics 12 34
-SDPUtils.parseSsrcGroup = function(line) {
-    const parts = line.substring(13).split(" ");
-    return {
-        semantics: parts.shift(),
-        ssrcs: parts.map((ssrc)=>parseInt(ssrc, 10))
-    };
-};
-// Extracts the MID (RFC 5888) from a media section.
-// Returns the MID or undefined if no mid line was found.
-SDPUtils.getMid = function(mediaSection) {
-    const mid = SDPUtils.matchPrefix(mediaSection, "a=mid:")[0];
-    if (mid) return mid.substring(6);
-};
-// Parses a fingerprint line for DTLS-SRTP.
-SDPUtils.parseFingerprint = function(line) {
-    const parts = line.substring(14).split(" ");
-    return {
-        algorithm: parts[0].toLowerCase(),
-        value: parts[1].toUpperCase()
-    };
-};
-// Extracts DTLS parameters from SDP media section or sessionpart.
-// FIXME: for consistency with other functions this should only
-//   get the fingerprint line as input. See also getIceParameters.
-SDPUtils.getDtlsParameters = function(mediaSection, sessionpart) {
-    const lines = SDPUtils.matchPrefix(mediaSection + sessionpart, "a=fingerprint:");
-    // Note: a=setup line is ignored since we use the 'auto' role in Edge.
-    return {
-        role: "auto",
-        fingerprints: lines.map(SDPUtils.parseFingerprint)
-    };
-};
-// Serializes DTLS parameters to SDP.
-SDPUtils.writeDtlsParameters = function(params, setupType) {
-    let sdp = "a=setup:" + setupType + "\r\n";
-    params.fingerprints.forEach((fp)=>{
-        sdp += "a=fingerprint:" + fp.algorithm + " " + fp.value + "\r\n";
-    });
-    return sdp;
-};
-// Parses a=crypto lines into
-//   https://rawgit.com/aboba/edgertc/master/msortc-rs4.html#dictionary-rtcsrtpsdesparameters-members
-SDPUtils.parseCryptoLine = function(line) {
-    const parts = line.substring(9).split(" ");
-    return {
-        tag: parseInt(parts[0], 10),
-        cryptoSuite: parts[1],
-        keyParams: parts[2],
-        sessionParams: parts.slice(3)
-    };
-};
-SDPUtils.writeCryptoLine = function(parameters) {
-    return "a=crypto:" + parameters.tag + " " + parameters.cryptoSuite + " " + (typeof parameters.keyParams === "object" ? SDPUtils.writeCryptoKeyParams(parameters.keyParams) : parameters.keyParams) + (parameters.sessionParams ? " " + parameters.sessionParams.join(" ") : "") + "\r\n";
-};
-// Parses the crypto key parameters into
-//   https://rawgit.com/aboba/edgertc/master/msortc-rs4.html#rtcsrtpkeyparam*
-SDPUtils.parseCryptoKeyParams = function(keyParams) {
-    if (keyParams.indexOf("inline:") !== 0) return null;
-    const parts = keyParams.substring(7).split("|");
-    return {
-        keyMethod: "inline",
-        keySalt: parts[0],
-        lifeTime: parts[1],
-        mkiValue: parts[2] ? parts[2].split(":")[0] : undefined,
-        mkiLength: parts[2] ? parts[2].split(":")[1] : undefined
-    };
-};
-SDPUtils.writeCryptoKeyParams = function(keyParams) {
-    return keyParams.keyMethod + ":" + keyParams.keySalt + (keyParams.lifeTime ? "|" + keyParams.lifeTime : "") + (keyParams.mkiValue && keyParams.mkiLength ? "|" + keyParams.mkiValue + ":" + keyParams.mkiLength : "");
-};
-// Extracts all SDES parameters.
-SDPUtils.getCryptoParameters = function(mediaSection, sessionpart) {
-    const lines = SDPUtils.matchPrefix(mediaSection + sessionpart, "a=crypto:");
-    return lines.map(SDPUtils.parseCryptoLine);
-};
-// Parses ICE information from SDP media section or sessionpart.
-// FIXME: for consistency with other functions this should only
-//   get the ice-ufrag and ice-pwd lines as input.
-SDPUtils.getIceParameters = function(mediaSection, sessionpart) {
-    const ufrag = SDPUtils.matchPrefix(mediaSection + sessionpart, "a=ice-ufrag:")[0];
-    const pwd = SDPUtils.matchPrefix(mediaSection + sessionpart, "a=ice-pwd:")[0];
-    if (!(ufrag && pwd)) return null;
-    return {
-        usernameFragment: ufrag.substring(12),
-        password: pwd.substring(10)
-    };
-};
-// Serializes ICE parameters to SDP.
-SDPUtils.writeIceParameters = function(params) {
-    let sdp = "a=ice-ufrag:" + params.usernameFragment + "\r\n" + "a=ice-pwd:" + params.password + "\r\n";
-    if (params.iceLite) sdp += "a=ice-lite\r\n";
-    return sdp;
-};
-// Parses the SDP media section and returns RTCRtpParameters.
-SDPUtils.parseRtpParameters = function(mediaSection) {
-    const description = {
-        codecs: [],
-        headerExtensions: [],
-        fecMechanisms: [],
-        rtcp: []
-    };
-    const lines = SDPUtils.splitLines(mediaSection);
-    const mline = lines[0].split(" ");
-    description.profile = mline[2];
-    for(let i = 3; i < mline.length; i++){
-        const pt = mline[i];
-        const rtpmapline = SDPUtils.matchPrefix(mediaSection, "a=rtpmap:" + pt + " ")[0];
-        if (rtpmapline) {
-            const codec = SDPUtils.parseRtpMap(rtpmapline);
-            const fmtps = SDPUtils.matchPrefix(mediaSection, "a=fmtp:" + pt + " ");
-            // Only the first a=fmtp:<pt> is considered.
-            codec.parameters = fmtps.length ? SDPUtils.parseFmtp(fmtps[0]) : {};
-            codec.rtcpFeedback = SDPUtils.matchPrefix(mediaSection, "a=rtcp-fb:" + pt + " ").map(SDPUtils.parseRtcpFb);
-            description.codecs.push(codec);
-            // parse FEC mechanisms from rtpmap lines.
-            switch(codec.name.toUpperCase()){
-                case "RED":
-                case "ULPFEC":
-                    description.fecMechanisms.push(codec.name.toUpperCase());
-                    break;
-                default:
-                    break;
-            }
-        }
-    }
-    SDPUtils.matchPrefix(mediaSection, "a=extmap:").forEach((line)=>{
-        description.headerExtensions.push(SDPUtils.parseExtmap(line));
-    });
-    const wildcardRtcpFb = SDPUtils.matchPrefix(mediaSection, "a=rtcp-fb:* ").map(SDPUtils.parseRtcpFb);
-    description.codecs.forEach((codec)=>{
-        wildcardRtcpFb.forEach((fb)=>{
-            const duplicate = codec.rtcpFeedback.find((existingFeedback)=>{
-                return existingFeedback.type === fb.type && existingFeedback.parameter === fb.parameter;
-            });
-            if (!duplicate) codec.rtcpFeedback.push(fb);
-        });
-    });
-    // FIXME: parse rtcp.
-    return description;
-};
-// Generates parts of the SDP media section describing the capabilities /
-// parameters.
-SDPUtils.writeRtpDescription = function(kind, caps) {
-    let sdp = "";
-    // Build the mline.
-    sdp += "m=" + kind + " ";
-    sdp += caps.codecs.length > 0 ? "9" : "0"; // reject if no codecs.
-    sdp += " " + (caps.profile || "UDP/TLS/RTP/SAVPF") + " ";
-    sdp += caps.codecs.map((codec)=>{
-        if (codec.preferredPayloadType !== undefined) return codec.preferredPayloadType;
-        return codec.payloadType;
-    }).join(" ") + "\r\n";
-    sdp += "c=IN IP4 0.0.0.0\r\n";
-    sdp += "a=rtcp:9 IN IP4 0.0.0.0\r\n";
-    // Add a=rtpmap lines for each codec. Also fmtp and rtcp-fb.
-    caps.codecs.forEach((codec)=>{
-        sdp += SDPUtils.writeRtpMap(codec);
-        sdp += SDPUtils.writeFmtp(codec);
-        sdp += SDPUtils.writeRtcpFb(codec);
-    });
-    let maxptime = 0;
-    caps.codecs.forEach((codec)=>{
-        if (codec.maxptime > maxptime) maxptime = codec.maxptime;
-    });
-    if (maxptime > 0) sdp += "a=maxptime:" + maxptime + "\r\n";
-    if (caps.headerExtensions) caps.headerExtensions.forEach((extension)=>{
-        sdp += SDPUtils.writeExtmap(extension);
-    });
-    // FIXME: write fecMechanisms.
-    return sdp;
-};
-// Parses the SDP media section and returns an array of
-// RTCRtpEncodingParameters.
-SDPUtils.parseRtpEncodingParameters = function(mediaSection) {
-    const encodingParameters = [];
-    const description = SDPUtils.parseRtpParameters(mediaSection);
-    const hasRed = description.fecMechanisms.indexOf("RED") !== -1;
-    const hasUlpfec = description.fecMechanisms.indexOf("ULPFEC") !== -1;
-    // filter a=ssrc:... cname:, ignore PlanB-msid
-    const ssrcs = SDPUtils.matchPrefix(mediaSection, "a=ssrc:").map((line)=>SDPUtils.parseSsrcMedia(line)).filter((parts)=>parts.attribute === "cname");
-    const primarySsrc = ssrcs.length > 0 && ssrcs[0].ssrc;
-    let secondarySsrc;
-    const flows = SDPUtils.matchPrefix(mediaSection, "a=ssrc-group:FID").map((line)=>{
-        const parts = line.substring(17).split(" ");
-        return parts.map((part)=>parseInt(part, 10));
-    });
-    if (flows.length > 0 && flows[0].length > 1 && flows[0][0] === primarySsrc) secondarySsrc = flows[0][1];
-    description.codecs.forEach((codec)=>{
-        if (codec.name.toUpperCase() === "RTX" && codec.parameters.apt) {
-            let encParam = {
-                ssrc: primarySsrc,
-                codecPayloadType: parseInt(codec.parameters.apt, 10)
-            };
-            if (primarySsrc && secondarySsrc) encParam.rtx = {
-                ssrc: secondarySsrc
-            };
-            encodingParameters.push(encParam);
-            if (hasRed) {
-                encParam = JSON.parse(JSON.stringify(encParam));
-                encParam.fec = {
-                    ssrc: primarySsrc,
-                    mechanism: hasUlpfec ? "red+ulpfec" : "red"
-                };
-                encodingParameters.push(encParam);
-            }
-        }
-    });
-    if (encodingParameters.length === 0 && primarySsrc) encodingParameters.push({
-        ssrc: primarySsrc
-    });
-    // we support both b=AS and b=TIAS but interpret AS as TIAS.
-    let bandwidth = SDPUtils.matchPrefix(mediaSection, "b=");
-    if (bandwidth.length) {
-        if (bandwidth[0].indexOf("b=TIAS:") === 0) bandwidth = parseInt(bandwidth[0].substring(7), 10);
-        else if (bandwidth[0].indexOf("b=AS:") === 0) // use formula from JSEP to convert b=AS to TIAS value.
-        bandwidth = parseInt(bandwidth[0].substring(5), 10) * 950 - 16000;
-        else bandwidth = undefined;
-        encodingParameters.forEach((params)=>{
-            params.maxBitrate = bandwidth;
-        });
-    }
-    return encodingParameters;
-};
-// parses http://draft.ortc.org/#rtcrtcpparameters*
-SDPUtils.parseRtcpParameters = function(mediaSection) {
-    const rtcpParameters = {};
-    // Gets the first SSRC. Note that with RTX there might be multiple
-    // SSRCs.
-    const remoteSsrc = SDPUtils.matchPrefix(mediaSection, "a=ssrc:").map((line)=>SDPUtils.parseSsrcMedia(line)).filter((obj)=>obj.attribute === "cname")[0];
-    if (remoteSsrc) {
-        rtcpParameters.cname = remoteSsrc.value;
-        rtcpParameters.ssrc = remoteSsrc.ssrc;
-    }
-    // Edge uses the compound attribute instead of reducedSize
-    // compound is !reducedSize
-    const rsize = SDPUtils.matchPrefix(mediaSection, "a=rtcp-rsize");
-    rtcpParameters.reducedSize = rsize.length > 0;
-    rtcpParameters.compound = rsize.length === 0;
-    // parses the rtcp-mux attrіbute.
-    // Note that Edge does not support unmuxed RTCP.
-    const mux = SDPUtils.matchPrefix(mediaSection, "a=rtcp-mux");
-    rtcpParameters.mux = mux.length > 0;
-    return rtcpParameters;
-};
-SDPUtils.writeRtcpParameters = function(rtcpParameters) {
-    let sdp = "";
-    if (rtcpParameters.reducedSize) sdp += "a=rtcp-rsize\r\n";
-    if (rtcpParameters.mux) sdp += "a=rtcp-mux\r\n";
-    if (rtcpParameters.ssrc !== undefined && rtcpParameters.cname) sdp += "a=ssrc:" + rtcpParameters.ssrc + " cname:" + rtcpParameters.cname + "\r\n";
-    return sdp;
-};
-// parses either a=msid: or a=ssrc:... msid lines and returns
-// the id of the MediaStream and MediaStreamTrack.
-SDPUtils.parseMsid = function(mediaSection) {
-    let parts;
-    const spec = SDPUtils.matchPrefix(mediaSection, "a=msid:");
-    if (spec.length === 1) {
-        parts = spec[0].substring(7).split(" ");
-        return {
-            stream: parts[0],
-            track: parts[1]
-        };
-    }
-    const planB = SDPUtils.matchPrefix(mediaSection, "a=ssrc:").map((line)=>SDPUtils.parseSsrcMedia(line)).filter((msidParts)=>msidParts.attribute === "msid");
-    if (planB.length > 0) {
-        parts = planB[0].value.split(" ");
-        return {
-            stream: parts[0],
-            track: parts[1]
-        };
-    }
-};
-// SCTP
-// parses draft-ietf-mmusic-sctp-sdp-26 first and falls back
-// to draft-ietf-mmusic-sctp-sdp-05
-SDPUtils.parseSctpDescription = function(mediaSection) {
-    const mline = SDPUtils.parseMLine(mediaSection);
-    const maxSizeLine = SDPUtils.matchPrefix(mediaSection, "a=max-message-size:");
-    let maxMessageSize;
-    if (maxSizeLine.length > 0) maxMessageSize = parseInt(maxSizeLine[0].substring(19), 10);
-    if (isNaN(maxMessageSize)) maxMessageSize = 65536;
-    const sctpPort = SDPUtils.matchPrefix(mediaSection, "a=sctp-port:");
-    if (sctpPort.length > 0) return {
-        port: parseInt(sctpPort[0].substring(12), 10),
-        protocol: mline.fmt,
-        maxMessageSize
-    };
-    const sctpMapLines = SDPUtils.matchPrefix(mediaSection, "a=sctpmap:");
-    if (sctpMapLines.length > 0) {
-        const parts = sctpMapLines[0].substring(10).split(" ");
-        return {
-            port: parseInt(parts[0], 10),
-            protocol: parts[1],
-            maxMessageSize
-        };
-    }
-};
-// SCTP
-// outputs the draft-ietf-mmusic-sctp-sdp-26 version that all browsers
-// support by now receiving in this format, unless we originally parsed
-// as the draft-ietf-mmusic-sctp-sdp-05 format (indicated by the m-line
-// protocol of DTLS/SCTP -- without UDP/ or TCP/)
-SDPUtils.writeSctpDescription = function(media, sctp) {
-    let output = [];
-    if (media.protocol !== "DTLS/SCTP") output = [
-        "m=" + media.kind + " 9 " + media.protocol + " " + sctp.protocol + "\r\n",
-        "c=IN IP4 0.0.0.0\r\n",
-        "a=sctp-port:" + sctp.port + "\r\n"
-    ];
-    else output = [
-        "m=" + media.kind + " 9 " + media.protocol + " " + sctp.port + "\r\n",
-        "c=IN IP4 0.0.0.0\r\n",
-        "a=sctpmap:" + sctp.port + " " + sctp.protocol + " 65535\r\n"
-    ];
-    if (sctp.maxMessageSize !== undefined) output.push("a=max-message-size:" + sctp.maxMessageSize + "\r\n");
-    return output.join("");
-};
-// Generate a session ID for SDP.
-// https://tools.ietf.org/html/draft-ietf-rtcweb-jsep-20#section-5.2.1
-// recommends using a cryptographically random +ve 64-bit value
-// but right now this should be acceptable and within the right range
-SDPUtils.generateSessionId = function() {
-    return Math.random().toString().substr(2, 22);
-};
-// Write boiler plate for start of SDP
-// sessId argument is optional - if not supplied it will
-// be generated randomly
-// sessVersion is optional and defaults to 2
-// sessUser is optional and defaults to 'thisisadapterortc'
-SDPUtils.writeSessionBoilerplate = function(sessId, sessVer, sessUser) {
-    let sessionId;
-    const version = sessVer !== undefined ? sessVer : 2;
-    if (sessId) sessionId = sessId;
-    else sessionId = SDPUtils.generateSessionId();
-    const user = sessUser || "thisisadapterortc";
-    // FIXME: sess-id should be an NTP timestamp.
-    return "v=0\r\no=" + user + " " + sessionId + " " + version + " IN IP4 127.0.0.1\r\n" + "s=-\r\n" + "t=0 0\r\n";
-};
-// Gets the direction from the mediaSection or the sessionpart.
-SDPUtils.getDirection = function(mediaSection, sessionpart) {
-    // Look for sendrecv, sendonly, recvonly, inactive, default to sendrecv.
-    const lines = SDPUtils.splitLines(mediaSection);
-    for(let i = 0; i < lines.length; i++)switch(lines[i]){
-        case "a=sendrecv":
-        case "a=sendonly":
-        case "a=recvonly":
-        case "a=inactive":
-            return lines[i].substring(2);
-        default:
-    }
-    if (sessionpart) return SDPUtils.getDirection(sessionpart);
-    return "sendrecv";
-};
-SDPUtils.getKind = function(mediaSection) {
-    const lines = SDPUtils.splitLines(mediaSection);
-    const mline = lines[0].split(" ");
-    return mline[0].substring(2);
-};
-SDPUtils.isRejected = function(mediaSection) {
-    return mediaSection.split(" ", 2)[1] === "0";
-};
-SDPUtils.parseMLine = function(mediaSection) {
-    const lines = SDPUtils.splitLines(mediaSection);
-    const parts = lines[0].substring(2).split(" ");
-    return {
-        kind: parts[0],
-        port: parseInt(parts[1], 10),
-        protocol: parts[2],
-        fmt: parts.slice(3).join(" ")
-    };
-};
-SDPUtils.parseOLine = function(mediaSection) {
-    const line = SDPUtils.matchPrefix(mediaSection, "o=")[0];
-    const parts = line.substring(2).split(" ");
-    return {
-        username: parts[0],
-        sessionId: parts[1],
-        sessionVersion: parseInt(parts[2], 10),
-        netType: parts[3],
-        addressType: parts[4],
-        address: parts[5]
-    };
-};
-// a very naive interpretation of a valid SDP.
-SDPUtils.isValidSDP = function(blob) {
-    if (typeof blob !== "string" || blob.length === 0) return false;
-    const lines = SDPUtils.splitLines(blob);
-    for(let i = 0; i < lines.length; i++){
-        if (lines[i].length < 2 || lines[i].charAt(1) !== "=") return false;
-    // TODO: check the modifier a bit more.
-    }
-    return true;
-};
-module.exports = SDPUtils;
-
-},{}],"7qlv2":[function(require,module,exports) {
-var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
-parcelHelpers.defineInteropFlag(exports);
-var _eventTarget = require("./EventTarget");
-var _eventTargetDefault = parcelHelpers.interopDefault(_eventTarget);
-var _roomInfo = require("./RoomInfo");
-class Room extends (0, _eventTargetDefault.default) {
-    mwse;
-    options;
-    roomId;
-    accessType;
-    description;
-    joinType;
-    name;
-    owner;
-    peers = new Map();
-    info;
-    constructor(wsts){
-        super();
-        this.mwse = wsts;
-        this.info = new (0, _roomInfo.RoomInfo)(this);
-    }
-    setRoomOptions(options) {
-        if (typeof options == "string") this.roomId = options;
-        else {
-            let defaultOptions = {
-                joinType: "free",
-                ifexistsJoin: true,
-                accessType: "private",
-                notifyActionInvite: true,
-                notifyActionJoined: true,
-                notifyActionEjected: true,
-                autoFetchInfo: true
-            };
-            Object.assign(defaultOptions, options);
-            this.options = defaultOptions;
-        }
-    }
-    setRoomId(uuid) {
-        this.roomId = uuid;
-    }
-    async createRoom(roomOptions) {
-        let options = this.options || roomOptions;
-        let result = await this.mwse.EventPooling.request({
-            type: "create-room",
-            ...options
-        });
-        if (result.status == "fail") {
-            if (result.message == "ALREADY-EXISTS" && this.options.ifexistsJoin) return this.join();
-            throw new Error(result.message || result.messages);
-        } else {
-            this.options = {
-                ...this.options,
-                ...result.room
-            };
-            this.roomId = result.room.id;
-            this.mwse.rooms.set(this.roomId, this);
-        }
-    }
-    async join() {
-        let result = await this.mwse.EventPooling.request({
-            type: "joinroom",
-            name: this.options.name,
-            credential: this.options.credential,
-            autoFetchInfo: this.options.autoFetchInfo || false
-        });
-        if (result.status == "fail") throw new Error(result.message);
-        else {
-            this.options = {
-                ...this.options,
-                ...result.room
-            };
-            if (result.info) this.info.info = result.info;
-            this.roomId = result.room.id;
-            this.mwse.rooms.set(this.roomId, this);
-        }
-    }
-    async eject() {
-        let { type } = await this.mwse.EventPooling.request({
-            type: "ejectroom",
-            roomId: this.roomId
-        });
-        this.peers.clear();
-        if (type == "success") this.mwse.rooms.delete(this.roomId);
-    }
-    async send(pack, wom = false) {
-        if (!this.mwse.writable) return console.warn("Socket is not writable");
-        await this.mwse.EventPooling.request({
-            type: "pack/room",
-            pack,
-            to: this.roomId,
-            wom
-        });
-    }
-    async fetchPeers(filter, onlyNumber = false) {
-        if (onlyNumber) {
-            let { count } = await this.mwse.EventPooling.request({
-                type: "room/peer-count",
-                roomId: this.roomId,
-                filter: filter || {}
-            });
-            return count;
-        } else {
-            let { status, peers } = await this.mwse.EventPooling.request({
-                type: "room-peers",
-                roomId: this.roomId,
-                filter: filter || {}
-            });
-            let cup = [];
-            if (status == "fail") throw new Error("Cant using peers on room");
-            else if (status == "success") for (const peerid of peers){
-                let peer = this.mwse.peer(peerid);
-                cup.push(peer);
-                this.peers.set(peerid, peer);
-            }
-            return cup;
-        }
-    }
-}
-exports.default = Room;
-
-},{"./EventTarget":"lleyn","./RoomInfo":"HdXvB","@parcel/transformer-js/src/esmodule-helpers.js":"AkPHX"}],"HdXvB":[function(require,module,exports) {
-var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
-parcelHelpers.defineInteropFlag(exports);
-parcelHelpers.export(exports, "RoomInfo", ()=>RoomInfo);
-class RoomInfo {
-    room;
-    info = {};
-    constructor(room){
-        this.room = room;
-        this.room.on("updateinfo", (name, value)=>{
-            this.info[name] = value;
-        });
-    }
-    async fetch(name) {
-        if (name) {
-            let rinfo = await this.room.mwse.EventPooling.request({
-                type: "room/getinfo",
-                roomId: this.room.roomId,
-                name
-            });
-            if (rinfo.status == "success") this.info = rinfo.value;
-            else console.warn(rinfo.message);
-        } else {
-            let rinfo = await this.room.mwse.EventPooling.request({
-                type: "room/info",
-                roomId: this.room.roomId
-            });
-            if (rinfo.status == "success") this.info = rinfo.value;
-            else console.warn(rinfo.message);
-        }
-        return this.info;
-    }
-    set(name, value) {
-        this.info[name] = value;
-        this.room.mwse.WSTSProtocol.SendOnly({
-            type: "room/setinfo",
-            roomId: this.room.roomId,
-            name,
-            value
-        });
-    }
-    get(name) {
-        return name ? this.info[name] : this.info;
-    }
-}
-
-},{"@parcel/transformer-js/src/esmodule-helpers.js":"AkPHX"}],"3kvWC":[function(require,module,exports) {
-var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
-parcelHelpers.defineInteropFlag(exports);
-class WSTSProtocol {
-    mwse;
-    constructor(wsts){
-        this.mwse = wsts;
-        this.addListener();
-    }
-    addListener() {
-        this.mwse.server?.onRecaivePack((pack)=>{
-            this.PackAnalyze(pack);
-        });
-    }
-    SendRaw(pack) {
-        this.mwse.server.tranferToServer(pack);
-    }
-    SendOnly(pack) {
-        this.mwse.server.tranferToServer([
-            pack,
-            "R"
-        ]);
-    }
-    SendRequest(pack, id) {
-        this.mwse.server.tranferToServer([
-            pack,
-            id,
-            "R"
-        ]);
-    }
-    StartStream(pack, id) {
-        this.mwse.server.tranferToServer([
-            pack,
-            id,
-            "S"
-        ]);
-    }
-    PackAnalyze(data) {
-        let [payload, id, action] = data;
-        if (typeof id === "number") {
-            let callback = this.mwse.EventPooling.events.get(id);
-            if (callback) {
-                callback[0](payload, action);
-                switch(action){
-                    case "E":
-                        this.mwse.EventPooling.events.delete(id);
-                        break;
-                    case "S":
-                    default:
-                        break;
-                }
-            } else console.warn("Missing event sended from server");
-        } else {
-            let signals = this.mwse.EventPooling.signals.get(id);
-            if (signals) for (const callback of signals)callback(payload);
-            else console.warn("Missing event sended from server");
-        }
-    }
-}
-exports.default = WSTSProtocol;
-
-},{"@parcel/transformer-js/src/esmodule-helpers.js":"AkPHX"}]},["6snCa"], "6snCa", "parcelRequiref9d4")
-
+(()=>{function e(e,t,r,n){Object.defineProperty(e,t,{get:r,set:n,enumerable:!0,configurable:!0})}function t(e){return e&&e.__esModule?e.default:e}class r{ws;endpoint;autoPair=!1;connected=!1;autoReconnect=!0;autoReconnectTimeout=3e3;autoReconnectTimer;constructor(e){this.endpoint=new URL(e.endpoint),"boolean"==typeof e.autoReconnect?this.autoReconnect=!0:e.autoReconnect&&(this.autoReconnect=!0,this.autoReconnectTimeout=e.autoReconnect.timeout)}connect(){this.autoReconnectTimer&&clearTimeout(this.autoReconnectTimer),this.ws=new WebSocket(this.endpoint.href),this.addWSEvents()}disconnect(){this.ws.close()}addWSEvents(){this.ws.addEventListener("open",()=>this.eventOpen()),this.ws.addEventListener("close",()=>this.eventClose()),this.ws.addEventListener("error",()=>this.eventError()),this.ws.addEventListener("message",({data:e})=>this.eventMessage(e))}eventOpen(){for(let e of(this.connected=!0,this.activeConnectionEvent))e(void 0)}eventClose(){this.connected=!1,this.autoReconnect&&(this.autoReconnectTimer=setTimeout(()=>this.connect(),this.autoReconnectTimeout))}eventError(){this.connected=!1}recaivePackEvent=[];onRecaivePack(e){this.recaivePackEvent.push(e)}activeConnectionEvent=[];onActive(e){this.connected?e():this.activeConnectionEvent.push(e)}eventMessage(e){if("string"==typeof e){let t=JSON.parse(e);for(let e of this.recaivePackEvent)e(t)}}tranferToServer(e){this.connected&&this.ws.send(JSON.stringify(e))}}class n{wsts;events=new Map;signals=new Map;requests=new Map;count=0;constructor(e){this.wsts=e}request(e){return new Promise((t,r)=>{let n=++this.count;this.wsts.WSTSProtocol.SendRequest(e,n),this.events.set(n,[e=>{t(e)},e=>{r(e)}])})}stream(e,t){let r=++this.count;this.wsts.WSTSProtocol.StartStream(e,r),this.events.set(r,[e=>{t(e)},()=>{}])}signal(e,t){let r=this.signals.get(e);r?r.push(t):this.signals.set(e,[t])}}class i{events={};emit(e,...t){if(this.events[e])for(let r of this.events[e])r(...t)}on(e,t){this.events[e]?this.events[e].push(t):this.events[e]=[t]}activeScope=!1;scope(e){this.activeScope?e():this.on("scope",e)}}class s{mwse;APNumber;APShortCode;APIPAddress;constructor(e){this.mwse=e}async allocAPIPAddress(){let{status:e,ip:t}=await this.mwse.EventPooling.request({type:"alloc/APIPAddress"});if("success"==e)return this.APIPAddress=t,t;throw Error("Error Allocated Access Point IP Address")}async allocAPNumber(){let{status:e,number:t}=await this.mwse.EventPooling.request({type:"alloc/APNumber"});if("success"==e)return this.APNumber=t,t;throw Error("Error Allocated Access Point Number")}async allocAPShortCode(){let{status:e,code:t}=await this.mwse.EventPooling.request({type:"alloc/APShortCode"});if("success"==e)return this.APShortCode=t,t;throw Error("Error Allocated Access Point Short Code")}async reallocAPIPAddress(){let{status:e,ip:t}=await this.mwse.EventPooling.request({type:"realloc/APIPAddress"});if("success"==e)return this.APIPAddress=t,t;throw Error("Error Reallocated Access Point IP Address")}async reallocAPNumber(){let{status:e,number:t}=await this.mwse.EventPooling.request({type:"realloc/APNumber"});if("success"==e)return this.APNumber=t,t;throw Error("Error Reallocated Access Point Number")}async reallocAPShortCode(){let{status:e,code:t}=await this.mwse.EventPooling.request({type:"realloc/APShortCode"});if("success"==e)return this.APShortCode=t,t;throw Error("Error Reallocated Access Point Short Code")}async releaseAPIPAddress(){let{status:e}=await this.mwse.EventPooling.request({type:"release/APIPAddress"});if("success"==e)this.APIPAddress=void 0;else throw Error("Error release Access Point IP Address")}async releaseAPNumber(){let{status:e}=await this.mwse.EventPooling.request({type:"release/APNumber"});if("success"==e)this.APNumber=void 0;else throw Error("Error release Access Point Number")}async releaseAPShortCode(){let{status:e}=await this.mwse.EventPooling.request({type:"release/APShortCode"});if("success"==e)this.APShortCode=void 0;else throw Error("Error release Access Point Short Code")}async queryAPIPAddress(e){let{status:t,socket:r}=await this.mwse.EventPooling.request({type:"whois/APIPAddress",whois:e});return"success"==t?r:null}async queryAPNumber(e){let{status:t,socket:r}=await this.mwse.EventPooling.request({type:"whois/APNumber",whois:e});return"success"==t?r:null}async queryAPShortCode(e){let{status:t,socket:r}=await this.mwse.EventPooling.request({type:"whois/APShortCode",whois:e});return"success"==t?r:null}}class o{peer;info={};constructor(e){this.peer=e}async fetch(e){if(e){let t=await this.peer.mwse.EventPooling.request({type:"peer/info",peer:this.peer.socketId,name:e});"success"==t.status?this.info=t.info:console.warn(t.message)}else{let e=await this.peer.mwse.EventPooling.request({type:"peer/info",peer:this.peer.socketId});"success"==e.status?this.info=e.info:console.warn(e.message)}return this.info}set(e,t){this.info[e]=t,this.peer.mwse.WSTSProtocol.SendOnly({type:"auth/info",name:e,value:t})}get(e){return e?this.info[e]:this.info}}let a=!0,c=!0;function p(e,t,r){let n=e.match(t);return n&&n.length>=r&&parseInt(n[r],10)}function d(e,t,r){if(!e.RTCPeerConnection)return;let n=e.RTCPeerConnection.prototype,i=n.addEventListener;n.addEventListener=function(e,n){if(e!==t)return i.apply(this,arguments);let s=e=>{let t=r(e);t&&(n.handleEvent?n.handleEvent(t):n(t))};return this._eventMap=this._eventMap||{},this._eventMap[t]||(this._eventMap[t]=new Map),this._eventMap[t].set(n,s),i.apply(this,[e,s])};let s=n.removeEventListener;n.removeEventListener=function(e,r){if(e!==t||!this._eventMap||!this._eventMap[t]||!this._eventMap[t].has(r))return s.apply(this,arguments);let n=this._eventMap[t].get(r);return this._eventMap[t].delete(r),0===this._eventMap[t].size&&delete this._eventMap[t],0===Object.keys(this._eventMap).length&&delete this._eventMap,s.apply(this,[e,n])},Object.defineProperty(n,"on"+t,{get(){return this["_on"+t]},set(e){this["_on"+t]&&(this.removeEventListener(t,this["_on"+t]),delete this["_on"+t]),e&&this.addEventListener(t,this["_on"+t]=e)},enumerable:!0,configurable:!0})}function l(e){return"boolean"!=typeof e?Error("Argument type: "+typeof e+". Please use a boolean."):(a=e,e?"adapter.js logging disabled":"adapter.js logging enabled")}function h(e){return"boolean"!=typeof e?Error("Argument type: "+typeof e+". Please use a boolean."):(c=!e,"adapter.js deprecation warnings "+(e?"disabled":"enabled"))}function m(){"object"!=typeof window||a||"undefined"==typeof console||"function"!=typeof console.log||console.log.apply(console,arguments)}function u(e,t){c&&console.warn(e+" is deprecated, please use "+t+" instead.")}function f(e){return"[object Object]"===Object.prototype.toString.call(e)}function y(e,t,r){let n=r?"outbound-rtp":"inbound-rtp",i=new Map;if(null===t)return i;let s=[];return e.forEach(e=>{"track"===e.type&&e.trackIdentifier===t.id&&s.push(e)}),s.forEach(t=>{e.forEach(r=>{r.type===n&&r.trackId===t.id&&function e(t,r,n){!r||n.has(r.id)||(n.set(r.id,r),Object.keys(r).forEach(i=>{i.endsWith("Id")?e(t,t.get(r[i]),n):i.endsWith("Ids")&&r[i].forEach(r=>{e(t,t.get(r),n)})}))}(e,r,i)})}),i}var v,g,C={};function S(e,t){let r=e&&e.navigator;if(!r.mediaDevices)return;let n=function(e){if("object"!=typeof e||e.mandatory||e.optional)return e;let t={};return Object.keys(e).forEach(r=>{if("require"===r||"advanced"===r||"mediaSource"===r)return;let n="object"==typeof e[r]?e[r]:{ideal:e[r]};void 0!==n.exact&&"number"==typeof n.exact&&(n.min=n.max=n.exact);let i=function(e,t){return e?e+t.charAt(0).toUpperCase()+t.slice(1):"deviceId"===t?"sourceId":t};if(void 0!==n.ideal){t.optional=t.optional||[];let e={};"number"==typeof n.ideal?(e[i("min",r)]=n.ideal,t.optional.push(e),(e={})[i("max",r)]=n.ideal):e[i("",r)]=n.ideal,t.optional.push(e)}void 0!==n.exact&&"number"!=typeof n.exact?(t.mandatory=t.mandatory||{},t.mandatory[i("",r)]=n.exact):["min","max"].forEach(e=>{void 0!==n[e]&&(t.mandatory=t.mandatory||{},t.mandatory[i(e,r)]=n[e])})}),e.advanced&&(t.optional=(t.optional||[]).concat(e.advanced)),t},i=function(e,i){if(t.version>=61)return i(e);if((e=JSON.parse(JSON.stringify(e)))&&"object"==typeof e.audio){let t=function(e,t,r){t in e&&!(r in e)&&(e[r]=e[t],delete e[t])};t((e=JSON.parse(JSON.stringify(e))).audio,"autoGainControl","googAutoGainControl"),t(e.audio,"noiseSuppression","googNoiseSuppression"),e.audio=n(e.audio)}if(e&&"object"==typeof e.video){let s=e.video.facingMode;s=s&&("object"==typeof s?s:{ideal:s});let o=t.version<66;if(s&&("user"===s.exact||"environment"===s.exact||"user"===s.ideal||"environment"===s.ideal)&&!(r.mediaDevices.getSupportedConstraints&&r.mediaDevices.getSupportedConstraints().facingMode&&!o)){let t;if(delete e.video.facingMode,"environment"===s.exact||"environment"===s.ideal?t=["back","rear"]:("user"===s.exact||"user"===s.ideal)&&(t=["front"]),t)return r.mediaDevices.enumerateDevices().then(r=>{let o=(r=r.filter(e=>"videoinput"===e.kind)).find(e=>t.some(t=>e.label.toLowerCase().includes(t)));return!o&&r.length&&t.includes("back")&&(o=r[r.length-1]),o&&(e.video.deviceId=s.exact?{exact:o.deviceId}:{ideal:o.deviceId}),e.video=n(e.video),m("chrome: "+JSON.stringify(e)),i(e)})}e.video=n(e.video)}return m("chrome: "+JSON.stringify(e)),i(e)},s=function(e){return t.version>=64?e:{name:({PermissionDeniedError:"NotAllowedError",PermissionDismissedError:"NotAllowedError",InvalidStateError:"NotAllowedError",DevicesNotFoundError:"NotFoundError",ConstraintNotSatisfiedError:"OverconstrainedError",TrackStartError:"NotReadableError",MediaDeviceFailedDueToShutdown:"NotAllowedError",MediaDeviceKillSwitchOn:"NotAllowedError",TabCaptureError:"AbortError",ScreenCaptureError:"AbortError",DeviceCaptureError:"AbortError"})[e.name]||e.name,message:e.message,constraint:e.constraint||e.constraintName,toString(){return this.name+(this.message&&": ")+this.message}}};if(r.getUserMedia=(function(e,t,n){i(e,e=>{r.webkitGetUserMedia(e,t,e=>{n&&n(s(e))})})}).bind(r),r.mediaDevices.getUserMedia){let e=r.mediaDevices.getUserMedia.bind(r.mediaDevices);r.mediaDevices.getUserMedia=function(t){return i(t,t=>e(t).then(e=>{if(t.audio&&!e.getAudioTracks().length||t.video&&!e.getVideoTracks().length)throw e.getTracks().forEach(e=>{e.stop()}),new DOMException("","NotFoundError");return e},e=>Promise.reject(s(e))))}}}function P(e,t){if((!e.navigator.mediaDevices||!("getDisplayMedia"in e.navigator.mediaDevices))&&e.navigator.mediaDevices){if("function"!=typeof t){console.error("shimGetDisplayMedia: getSourceId argument is not a function");return}e.navigator.mediaDevices.getDisplayMedia=function(r){return t(r).then(t=>{let n=r.video&&r.video.width,i=r.video&&r.video.height,s=r.video&&r.video.frameRate;return r.video={mandatory:{chromeMediaSource:"desktop",chromeMediaSourceId:t,maxFrameRate:s||3}},n&&(r.video.mandatory.maxWidth=n),i&&(r.video.mandatory.maxHeight=i),e.navigator.mediaDevices.getUserMedia(r)})}}}function T(e){e.MediaStream=e.MediaStream||e.webkitMediaStream}function R(e){if("object"!=typeof e||!e.RTCPeerConnection||"ontrack"in e.RTCPeerConnection.prototype)d(e,"track",e=>(e.transceiver||Object.defineProperty(e,"transceiver",{value:{receiver:e.receiver}}),e));else{Object.defineProperty(e.RTCPeerConnection.prototype,"ontrack",{get(){return this._ontrack},set(e){this._ontrack&&this.removeEventListener("track",this._ontrack),this.addEventListener("track",this._ontrack=e)},enumerable:!0,configurable:!0});let t=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(){return this._ontrackpoly||(this._ontrackpoly=t=>{t.stream.addEventListener("addtrack",r=>{let n;n=e.RTCPeerConnection.prototype.getReceivers?this.getReceivers().find(e=>e.track&&e.track.id===r.track.id):{track:r.track};let i=new Event("track");i.track=r.track,i.receiver=n,i.transceiver={receiver:n},i.streams=[t.stream],this.dispatchEvent(i)}),t.stream.getTracks().forEach(r=>{let n;n=e.RTCPeerConnection.prototype.getReceivers?this.getReceivers().find(e=>e.track&&e.track.id===r.id):{track:r};let i=new Event("track");i.track=r,i.receiver=n,i.transceiver={receiver:n},i.streams=[t.stream],this.dispatchEvent(i)})},this.addEventListener("addstream",this._ontrackpoly)),t.apply(this,arguments)}}}function w(e){if("object"==typeof e&&e.RTCPeerConnection&&!("getSenders"in e.RTCPeerConnection.prototype)&&"createDTMFSender"in e.RTCPeerConnection.prototype){let t=function(e,t){return{track:t,get dtmf(){return void 0===this._dtmf&&("audio"===t.kind?this._dtmf=e.createDTMFSender(t):this._dtmf=null),this._dtmf},_pc:e}};if(!e.RTCPeerConnection.prototype.getSenders){e.RTCPeerConnection.prototype.getSenders=function(){return this._senders=this._senders||[],this._senders.slice()};let r=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,n){let i=r.apply(this,arguments);return i||(i=t(this,e),this._senders.push(i)),i};let n=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){n.apply(this,arguments);let t=this._senders.indexOf(e);-1!==t&&this._senders.splice(t,1)}}let r=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){this._senders=this._senders||[],r.apply(this,[e]),e.getTracks().forEach(e=>{this._senders.push(t(this,e))})};let n=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){this._senders=this._senders||[],n.apply(this,[e]),e.getTracks().forEach(e=>{let t=this._senders.find(t=>t.track===e);t&&this._senders.splice(this._senders.indexOf(t),1)})}}else if("object"==typeof e&&e.RTCPeerConnection&&"getSenders"in e.RTCPeerConnection.prototype&&"createDTMFSender"in e.RTCPeerConnection.prototype&&e.RTCRtpSender&&!("dtmf"in e.RTCRtpSender.prototype)){let t=e.RTCPeerConnection.prototype.getSenders;e.RTCPeerConnection.prototype.getSenders=function(){let e=t.apply(this,[]);return e.forEach(e=>e._pc=this),e},Object.defineProperty(e.RTCRtpSender.prototype,"dtmf",{get(){return void 0===this._dtmf&&("audio"===this.track.kind?this._dtmf=this._pc.createDTMFSender(this.track):this._dtmf=null),this._dtmf}})}}function b(e){if(!e.RTCPeerConnection)return;let t=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){let[e,r,n]=arguments;if(arguments.length>0&&"function"==typeof e)return t.apply(this,arguments);if(0===t.length&&(0==arguments.length||"function"!=typeof e))return t.apply(this,[]);let i=function(e){let t={};return e.result().forEach(e=>{let r={id:e.id,timestamp:e.timestamp,type:{localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[e.type]||e.type};e.names().forEach(t=>{r[t]=e.stat(t)}),t[r.id]=r}),t},s=function(e){return new Map(Object.keys(e).map(t=>[t,e[t]]))};return arguments.length>=2?t.apply(this,[function(e){r(s(i(e)))},e]):new Promise((e,r)=>{t.apply(this,[function(t){e(s(i(t)))},r])}).then(r,n)}}function E(e){if(!("object"==typeof e&&e.RTCPeerConnection&&e.RTCRtpSender&&e.RTCRtpReceiver))return;if(!("getStats"in e.RTCRtpSender.prototype)){let t=e.RTCPeerConnection.prototype.getSenders;t&&(e.RTCPeerConnection.prototype.getSenders=function(){let e=t.apply(this,[]);return e.forEach(e=>e._pc=this),e});let r=e.RTCPeerConnection.prototype.addTrack;r&&(e.RTCPeerConnection.prototype.addTrack=function(){let e=r.apply(this,arguments);return e._pc=this,e}),e.RTCRtpSender.prototype.getStats=function(){let e=this;return this._pc.getStats().then(t=>y(t,e.track,!0))}}if(!("getStats"in e.RTCRtpReceiver.prototype)){let t=e.RTCPeerConnection.prototype.getReceivers;t&&(e.RTCPeerConnection.prototype.getReceivers=function(){let e=t.apply(this,[]);return e.forEach(e=>e._pc=this),e}),d(e,"track",e=>(e.receiver._pc=e.srcElement,e)),e.RTCRtpReceiver.prototype.getStats=function(){let e=this;return this._pc.getStats().then(t=>y(t,e.track,!1))}}if(!("getStats"in e.RTCRtpSender.prototype&&"getStats"in e.RTCRtpReceiver.prototype))return;let t=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){if(arguments.length>0&&arguments[0]instanceof e.MediaStreamTrack){let e,t,r;let n=arguments[0];return(this.getSenders().forEach(t=>{t.track===n&&(e?r=!0:e=t)}),this.getReceivers().forEach(e=>(e.track===n&&(t?r=!0:t=e),e.track===n)),r||e&&t)?Promise.reject(new DOMException("There are more than one sender or receiver for the track.","InvalidAccessError")):e?e.getStats():t?t.getStats():Promise.reject(new DOMException("There is no sender or receiver for the track.","InvalidAccessError"))}return t.apply(this,arguments)}}function k(e){e.RTCPeerConnection.prototype.getLocalStreams=function(){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},Object.keys(this._shimmedLocalStreams).map(e=>this._shimmedLocalStreams[e][0])};let t=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,r){if(!r)return t.apply(this,arguments);this._shimmedLocalStreams=this._shimmedLocalStreams||{};let n=t.apply(this,arguments);return this._shimmedLocalStreams[r.id]?-1===this._shimmedLocalStreams[r.id].indexOf(n)&&this._shimmedLocalStreams[r.id].push(n):this._shimmedLocalStreams[r.id]=[r,n],n};let r=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){this._shimmedLocalStreams=this._shimmedLocalStreams||{},e.getTracks().forEach(e=>{if(this.getSenders().find(t=>t.track===e))throw new DOMException("Track already exists.","InvalidAccessError")});let t=this.getSenders();r.apply(this,arguments);let n=this.getSenders().filter(e=>-1===t.indexOf(e));this._shimmedLocalStreams[e.id]=[e].concat(n)};let n=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},delete this._shimmedLocalStreams[e.id],n.apply(this,arguments)};let i=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},e&&Object.keys(this._shimmedLocalStreams).forEach(t=>{let r=this._shimmedLocalStreams[t].indexOf(e);-1!==r&&this._shimmedLocalStreams[t].splice(r,1),1===this._shimmedLocalStreams[t].length&&delete this._shimmedLocalStreams[t]}),i.apply(this,arguments)}}function I(e,t){if(!e.RTCPeerConnection)return;if(e.RTCPeerConnection.prototype.addTrack&&t.version>=65)return k(e);let r=e.RTCPeerConnection.prototype.getLocalStreams;e.RTCPeerConnection.prototype.getLocalStreams=function(){let e=r.apply(this);return this._reverseStreams=this._reverseStreams||{},e.map(e=>this._reverseStreams[e.id])};let n=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(t){if(this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},t.getTracks().forEach(e=>{if(this.getSenders().find(t=>t.track===e))throw new DOMException("Track already exists.","InvalidAccessError")}),!this._reverseStreams[t.id]){let r=new e.MediaStream(t.getTracks());this._streams[t.id]=r,this._reverseStreams[r.id]=t,t=r}n.apply(this,[t])};let i=e.RTCPeerConnection.prototype.removeStream;function s(e,t){let r=t.sdp;return Object.keys(e._reverseStreams||[]).forEach(t=>{let n=e._reverseStreams[t],i=e._streams[n.id];r=r.replace(RegExp(i.id,"g"),n.id)}),new RTCSessionDescription({type:t.type,sdp:r})}e.RTCPeerConnection.prototype.removeStream=function(e){this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},i.apply(this,[this._streams[e.id]||e]),delete this._reverseStreams[this._streams[e.id]?this._streams[e.id].id:e.id],delete this._streams[e.id]},e.RTCPeerConnection.prototype.addTrack=function(t,r){if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");let n=[].slice.call(arguments,1);if(1!==n.length||!n[0].getTracks().find(e=>e===t))throw new DOMException("The adapter.js addTrack polyfill only supports a single  stream which is associated with the specified track.","NotSupportedError");if(this.getSenders().find(e=>e.track===t))throw new DOMException("Track already exists.","InvalidAccessError");this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{};let i=this._streams[r.id];if(i)i.addTrack(t),Promise.resolve().then(()=>{this.dispatchEvent(new Event("negotiationneeded"))});else{let n=new e.MediaStream([t]);this._streams[r.id]=n,this._reverseStreams[n.id]=r,this.addStream(n)}return this.getSenders().find(e=>e.track===t)},["createOffer","createAnswer"].forEach(function(t){let r=e.RTCPeerConnection.prototype[t];e.RTCPeerConnection.prototype[t]=({[t](){let e=arguments,t=arguments.length&&"function"==typeof arguments[0];return t?r.apply(this,[t=>{let r=s(this,t);e[0].apply(null,[r])},t=>{e[1]&&e[1].apply(null,t)},arguments[2]]):r.apply(this,arguments).then(e=>s(this,e))}})[t]});let o=e.RTCPeerConnection.prototype.setLocalDescription;e.RTCPeerConnection.prototype.setLocalDescription=function(){var e,t;let r;return arguments.length&&arguments[0].type&&(arguments[0]=(e=this,t=arguments[0],r=t.sdp,Object.keys(e._reverseStreams||[]).forEach(t=>{let n=e._reverseStreams[t],i=e._streams[n.id];r=r.replace(RegExp(n.id,"g"),i.id)}),new RTCSessionDescription({type:t.type,sdp:r}))),o.apply(this,arguments)};let a=Object.getOwnPropertyDescriptor(e.RTCPeerConnection.prototype,"localDescription");Object.defineProperty(e.RTCPeerConnection.prototype,"localDescription",{get(){let e=a.get.apply(this);return""===e.type?e:s(this,e)}}),e.RTCPeerConnection.prototype.removeTrack=function(e){let t;if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");if(!e._pc)throw new DOMException("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.","TypeError");if(e._pc!==this)throw new DOMException("Sender was not created by this connection.","InvalidAccessError");this._streams=this._streams||{},Object.keys(this._streams).forEach(r=>{this._streams[r].getTracks().find(t=>e.track===t)&&(t=this._streams[r])}),t&&(1===t.getTracks().length?this.removeStream(this._reverseStreams[t.id]):t.removeTrack(e.track),this.dispatchEvent(new Event("negotiationneeded")))}}function _(e,t){!e.RTCPeerConnection&&e.webkitRTCPeerConnection&&(e.RTCPeerConnection=e.webkitRTCPeerConnection),e.RTCPeerConnection&&t.version<53&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(t){let r=e.RTCPeerConnection.prototype[t];e.RTCPeerConnection.prototype[t]=({[t](){return arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]),r.apply(this,arguments)}})[t]})}function A(e,t){d(e,"negotiationneeded",e=>{let r=e.target;if(!(t.version<72)&&(!r.getConfiguration||"plan-b"!==r.getConfiguration().sdpSemantics)||"stable"===r.signalingState)return e})}e(C,"shimMediaStream",()=>T),e(C,"shimOnTrack",()=>R),e(C,"shimGetSendersWithDtmf",()=>w),e(C,"shimGetStats",()=>b),e(C,"shimSenderReceiverGetStats",()=>E),e(C,"shimAddTrackRemoveTrackWithNative",()=>k),e(C,"shimAddTrackRemoveTrack",()=>I),e(C,"shimPeerConnection",()=>_),e(C,"fixNegotiationNeeded",()=>A),e(C,"shimGetUserMedia",()=>S),e(C,"shimGetDisplayMedia",()=>P);var D={};function M(e,t){let r=e&&e.navigator,n=e&&e.MediaStreamTrack;if(r.getUserMedia=function(e,t,n){u("navigator.getUserMedia","navigator.mediaDevices.getUserMedia"),r.mediaDevices.getUserMedia(e).then(t,n)},!(t.version>55&&"autoGainControl"in r.mediaDevices.getSupportedConstraints())){let e=function(e,t,r){t in e&&!(r in e)&&(e[r]=e[t],delete e[t])},t=r.mediaDevices.getUserMedia.bind(r.mediaDevices);if(r.mediaDevices.getUserMedia=function(r){return"object"==typeof r&&"object"==typeof r.audio&&(e((r=JSON.parse(JSON.stringify(r))).audio,"autoGainControl","mozAutoGainControl"),e(r.audio,"noiseSuppression","mozNoiseSuppression")),t(r)},n&&n.prototype.getSettings){let t=n.prototype.getSettings;n.prototype.getSettings=function(){let r=t.apply(this,arguments);return e(r,"mozAutoGainControl","autoGainControl"),e(r,"mozNoiseSuppression","noiseSuppression"),r}}if(n&&n.prototype.applyConstraints){let t=n.prototype.applyConstraints;n.prototype.applyConstraints=function(r){return"audio"===this.kind&&"object"==typeof r&&(e(r=JSON.parse(JSON.stringify(r)),"autoGainControl","mozAutoGainControl"),e(r,"noiseSuppression","mozNoiseSuppression")),t.apply(this,[r])}}}}function x(e,t){e.navigator.mediaDevices&&"getDisplayMedia"in e.navigator.mediaDevices||!e.navigator.mediaDevices||(e.navigator.mediaDevices.getDisplayMedia=function(r){if(!(r&&r.video)){let e=new DOMException("getDisplayMedia without video constraints is undefined");return e.name="NotFoundError",e.code=8,Promise.reject(e)}return!0===r.video?r.video={mediaSource:t}:r.video.mediaSource=t,e.navigator.mediaDevices.getUserMedia(r)})}function O(e){"object"==typeof e&&e.RTCTrackEvent&&"receiver"in e.RTCTrackEvent.prototype&&!("transceiver"in e.RTCTrackEvent.prototype)&&Object.defineProperty(e.RTCTrackEvent.prototype,"transceiver",{get(){return{receiver:this.receiver}}})}function L(e,t){if("object"!=typeof e||!(e.RTCPeerConnection||e.mozRTCPeerConnection))return;!e.RTCPeerConnection&&e.mozRTCPeerConnection&&(e.RTCPeerConnection=e.mozRTCPeerConnection),t.version<53&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(t){let r=e.RTCPeerConnection.prototype[t];e.RTCPeerConnection.prototype[t]=({[t](){return arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]),r.apply(this,arguments)}})[t]});let r={inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"},n=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){let[e,i,s]=arguments;return n.apply(this,[e||null]).then(e=>{if(t.version<53&&!i)try{e.forEach(e=>{e.type=r[e.type]||e.type})}catch(t){if("TypeError"!==t.name)throw t;e.forEach((t,n)=>{e.set(n,Object.assign({},t,{type:r[t.type]||t.type}))})}return e}).then(i,s)}}function j(e){if(!("object"==typeof e&&e.RTCPeerConnection&&e.RTCRtpSender)||e.RTCRtpSender&&"getStats"in e.RTCRtpSender.prototype)return;let t=e.RTCPeerConnection.prototype.getSenders;t&&(e.RTCPeerConnection.prototype.getSenders=function(){let e=t.apply(this,[]);return e.forEach(e=>e._pc=this),e});let r=e.RTCPeerConnection.prototype.addTrack;r&&(e.RTCPeerConnection.prototype.addTrack=function(){let e=r.apply(this,arguments);return e._pc=this,e}),e.RTCRtpSender.prototype.getStats=function(){return this.track?this._pc.getStats(this.track):Promise.resolve(new Map)}}function N(e){if(!("object"==typeof e&&e.RTCPeerConnection&&e.RTCRtpSender)||e.RTCRtpSender&&"getStats"in e.RTCRtpReceiver.prototype)return;let t=e.RTCPeerConnection.prototype.getReceivers;t&&(e.RTCPeerConnection.prototype.getReceivers=function(){let e=t.apply(this,[]);return e.forEach(e=>e._pc=this),e}),d(e,"track",e=>(e.receiver._pc=e.srcElement,e)),e.RTCRtpReceiver.prototype.getStats=function(){return this._pc.getStats(this.track)}}function F(e){!e.RTCPeerConnection||"removeStream"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.removeStream=function(e){u("removeStream","removeTrack"),this.getSenders().forEach(t=>{t.track&&e.getTracks().includes(t.track)&&this.removeTrack(t)})})}function q(e){e.DataChannel&&!e.RTCDataChannel&&(e.RTCDataChannel=e.DataChannel)}function U(e){if(!("object"==typeof e&&e.RTCPeerConnection))return;let t=e.RTCPeerConnection.prototype.addTransceiver;t&&(e.RTCPeerConnection.prototype.addTransceiver=function(){this.setParametersPromises=[];let e=arguments[1]&&arguments[1].sendEncodings;void 0===e&&(e=[]);let r=(e=[...e]).length>0;r&&e.forEach(e=>{if("rid"in e&&!/^[a-z0-9]{0,16}$/i.test(e.rid))throw TypeError("Invalid RID value provided.");if("scaleResolutionDownBy"in e&&!(parseFloat(e.scaleResolutionDownBy)>=1))throw RangeError("scale_resolution_down_by must be >= 1.0");if("maxFramerate"in e&&!(parseFloat(e.maxFramerate)>=0))throw 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"+e.attributes:"")+"\r\n"},er.parseFmtp=function(e){let t;let r={},n=e.substring(e.indexOf(" ")+1).split(";");for(let e=0;e<n.length;e++)r[(t=n[e].trim().split("="))[0].trim()]=t[1];return r},er.writeFmtp=function(e){let t="",r=e.payloadType;if(void 0!==e.preferredPayloadType&&(r=e.preferredPayloadType),e.parameters&&Object.keys(e.parameters).length){let n=[];Object.keys(e.parameters).forEach(t=>{void 0!==e.parameters[t]?n.push(t+"="+e.parameters[t]):n.push(t)}),t+="a=fmtp:"+r+" "+n.join(";")+"\r\n"}return t},er.parseRtcpFb=function(e){let t=e.substring(e.indexOf(" ")+1).split(" ");return{type:t.shift(),parameter:t.join(" ")}},er.writeRtcpFb=function(e){let t="",r=e.payloadType;return void 0!==e.preferredPayloadType&&(r=e.preferredPayloadType),e.rtcpFeedback&&e.rtcpFeedback.length&&e.rtcpFeedback.forEach(e=>{t+="a=rtcp-fb:"+r+" "+e.type+(e.parameter&&e.parameter.length?" "+e.parameter:"")+"\r\n"}),t},er.parseSsrcMedia=function(e){let t=e.indexOf(" "),r={ssrc:parseInt(e.substring(7,t),10)},n=e.indexOf(":",t);return n>-1?(r.attribute=e.substring(t+1,n),r.value=e.substring(n+1)):r.attribute=e.substring(t+1),r},er.parseSsrcGroup=function(e){let t=e.substring(13).split(" ");return{semantics:t.shift(),ssrcs:t.map(e=>parseInt(e,10))}},er.getMid=function(e){let t=er.matchPrefix(e,"a=mid:")[0];if(t)return t.substring(6)},er.parseFingerprint=function(e){let t=e.substring(14).split(" ");return{algorithm:t[0].toLowerCase(),value:t[1].toUpperCase()}},er.getDtlsParameters=function(e,t){return{role:"auto",fingerprints:er.matchPrefix(e+t,"a=fingerprint:").map(er.parseFingerprint)}},er.writeDtlsParameters=function(e,t){let r="a=setup:"+t+"\r\n";return e.fingerprints.forEach(e=>{r+="a=fingerprint:"+e.algorithm+" "+e.value+"\r\n"}),r},er.parseCryptoLine=function(e){let t=e.substring(9).split(" ");return{tag:parseInt(t[0],10),cryptoSuite:t[1],keyParams:t[2],sessionParams:t.slice(3)}},er.writeCryptoLine=function(e){return"a=crypto:"+e.tag+" "+e.cryptoSuite+" "+("object"==typeof e.keyParams?er.writeCryptoKeyParams(e.keyParams):e.keyParams)+(e.sessionParams?" "+e.sessionParams.join(" "):"")+"\r\n"},er.parseCryptoKeyParams=function(e){if(0!==e.indexOf("inline:"))return null;let t=e.substring(7).split("|");return{keyMethod:"inline",keySalt:t[0],lifeTime:t[1],mkiValue:t[2]?t[2].split(":")[0]:void 0,mkiLength:t[2]?t[2].split(":")[1]:void 0}},er.writeCryptoKeyParams=function(e){return e.keyMethod+":"+e.keySalt+(e.lifeTime?"|"+e.lifeTime:"")+(e.mkiValue&&e.mkiLength?"|"+e.mkiValue+":"+e.mkiLength:"")},er.getCryptoParameters=function(e,t){return er.matchPrefix(e+t,"a=crypto:").map(er.parseCryptoLine)},er.getIceParameters=function(e,t){let r=er.matchPrefix(e+t,"a=ice-ufrag:")[0],n=er.matchPrefix(e+t,"a=ice-pwd:")[0];return r&&n?{usernameFragment:r.substring(12),password:n.substring(10)}:null},er.writeIceParameters=function(e){let t="a=ice-ufrag:"+e.usernameFragment+"\r\na=ice-pwd:"+e.password+"\r\n";return e.iceLite&&(t+="a=ice-lite\r\n"),t},er.parseRtpParameters=function(e){let t={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]},r=er.splitLines(e)[0].split(" ");t.profile=r[2];for(let n=3;n<r.length;n++){let i=r[n],s=er.matchPrefix(e,"a=rtpmap:"+i+" ")[0];if(s){let r=er.parseRtpMap(s),n=er.matchPrefix(e,"a=fmtp:"+i+" ");switch(r.parameters=n.length?er.parseFmtp(n[0]):{},r.rtcpFeedback=er.matchPrefix(e,"a=rtcp-fb:"+i+" ").map(er.parseRtcpFb),t.codecs.push(r),r.name.toUpperCase()){case"RED":case"ULPFEC":t.fecMechanisms.push(r.name.toUpperCase())}}}er.matchPrefix(e,"a=extmap:").forEach(e=>{t.headerExtensions.push(er.parseExtmap(e))});let n=er.matchPrefix(e,"a=rtcp-fb:* ").map(er.parseRtcpFb);return t.codecs.forEach(e=>{n.forEach(t=>{e.rtcpFeedback.find(e=>e.type===t.type&&e.parameter===t.parameter)||e.rtcpFeedback.push(t)})}),t},er.writeRtpDescription=function(e,t){let r="";r+="m="+e+" "+(t.codecs.length>0?"9":"0")+" "+(t.profile||"UDP/TLS/RTP/SAVPF")+" "+t.codecs.map(e=>void 0!==e.preferredPayloadType?e.preferredPayloadType:e.payloadType).join(" ")+"\r\nc=IN IP4 0.0.0.0\r\na=rtcp:9 IN IP4 0.0.0.0\r\n",t.codecs.forEach(e=>{r+=er.writeRtpMap(e)+er.writeFmtp(e)+er.writeRtcpFb(e)});let n=0;return t.codecs.forEach(e=>{e.maxptime>n&&(n=e.maxptime)}),n>0&&(r+="a=maxptime:"+n+"\r\n"),t.headerExtensions&&t.headerExtensions.forEach(e=>{r+=er.writeExtmap(e)}),r},er.parseRtpEncodingParameters=function(e){let t;let r=[],n=er.parseRtpParameters(e),i=-1!==n.fecMechanisms.indexOf("RED"),s=-1!==n.fecMechanisms.indexOf("ULPFEC"),o=er.matchPrefix(e,"a=ssrc:").map(e=>er.parseSsrcMedia(e)).filter(e=>"cname"===e.attribute),a=o.length>0&&o[0].ssrc,c=er.matchPrefix(e,"a=ssrc-group:FID").map(e=>e.substring(17).split(" ").map(e=>parseInt(e,10)));c.length>0&&c[0].length>1&&c[0][0]===a&&(t=c[0][1]),n.codecs.forEach(e=>{if("RTX"===e.name.toUpperCase()&&e.parameters.apt){let n={ssrc:a,codecPayloadType:parseInt(e.parameters.apt,10)};a&&t&&(n.rtx={ssrc:t}),r.push(n),i&&((n=JSON.parse(JSON.stringify(n))).fec={ssrc:a,mechanism:s?"red+ulpfec":"red"},r.push(n))}}),0===r.length&&a&&r.push({ssrc:a});let p=er.matchPrefix(e,"b=");return p.length&&(p=0===p[0].indexOf("b=TIAS:")?parseInt(p[0].substring(7),10):0===p[0].indexOf("b=AS:")?950*parseInt(p[0].substring(5),10)-16e3:void 0,r.forEach(e=>{e.maxBitrate=p})),r},er.parseRtcpParameters=function(e){let t={},r=er.matchPrefix(e,"a=ssrc:").map(e=>er.parseSsrcMedia(e)).filter(e=>"cname"===e.attribute)[0];r&&(t.cname=r.value,t.ssrc=r.ssrc);let n=er.matchPrefix(e,"a=rtcp-rsize");t.reducedSize=n.length>0,t.compound=0===n.length;let i=er.matchPrefix(e,"a=rtcp-mux");return t.mux=i.length>0,t},er.writeRtcpParameters=function(e){let t="";return e.reducedSize&&(t+="a=rtcp-rsize\r\n"),e.mux&&(t+="a=rtcp-mux\r\n"),void 0!==e.ssrc&&e.cname&&(t+="a=ssrc:"+e.ssrc+" cname:"+e.cname+"\r\n"),t},er.parseMsid=function(e){let t;let r=er.matchPrefix(e,"a=msid:");if(1===r.length)return{stream:(t=r[0].substring(7).split(" "))[0],track:t[1]};let n=er.matchPrefix(e,"a=ssrc:").map(e=>er.parseSsrcMedia(e)).filter(e=>"msid"===e.attribute);if(n.length>0)return{stream:(t=n[0].value.split(" "))[0],track:t[1]}},er.parseSctpDescription=function(e){let t;let r=er.parseMLine(e),n=er.matchPrefix(e,"a=max-message-size:");n.length>0&&(t=parseInt(n[0].substring(19),10)),isNaN(t)&&(t=65536);let i=er.matchPrefix(e,"a=sctp-port:");if(i.length>0)return{port:parseInt(i[0].substring(12),10),protocol:r.fmt,maxMessageSize:t};let s=er.matchPrefix(e,"a=sctpmap:");if(s.length>0){let e=s[0].substring(10).split(" ");return{port:parseInt(e[0],10),protocol:e[1],maxMessageSize:t}}},er.writeSctpDescription=function(e,t){let r=[];return r="DTLS/SCTP"!==e.protocol?["m="+e.kind+" 9 "+e.protocol+" "+t.protocol+"\r\n","c=IN IP4 0.0.0.0\r\n","a=sctp-port:"+t.port+"\r\n"]:["m="+e.kind+" 9 "+e.protocol+" "+t.port+"\r\n","c=IN IP4 0.0.0.0\r\n","a=sctpmap:"+t.port+" "+t.protocol+" 65535\r\n"],void 0!==t.maxMessageSize&&r.push("a=max-message-size:"+t.maxMessageSize+"\r\n"),r.join("")},er.generateSessionId=function(){return Math.random().toString().substr(2,22)},er.writeSessionBoilerplate=function(e,t,r){return"v=0\r\no="+(r||"thisisadapterortc")+" "+(e||er.generateSessionId())+" "+(void 0!==t?t:2)+" IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\n"},er.getDirection=function(e,t){let r=er.splitLines(e);for(let e=0;e<r.length;e++)switch(r[e]){case"a=sendrecv":case"a=sendonly":case"a=recvonly":case"a=inactive":return r[e].substring(2)}return t?er.getDirection(t):"sendrecv"},er.getKind=function(e){return er.splitLines(e)[0].split(" ")[0].substring(2)},er.isRejected=function(e){return"0"===e.split(" ",2)[1]},er.parseMLine=function(e){let t=er.splitLines(e)[0].substring(2).split(" ");return{kind:t[0],port:parseInt(t[1],10),protocol:t[2],fmt:t.slice(3).join(" ")}},er.parseOLine=function(e){let t=er.matchPrefix(e,"o=")[0].substring(2).split(" ");return{username:t[0],sessionId:t[1],sessionVersion:parseInt(t[2],10),netType:t[3],addressType:t[4],address:t[5]}},er.isValidSDP=function(e){if("string"!=typeof e||0===e.length)return!1;let t=er.splitLines(e);for(let e=0;e<t.length;e++)if(t[e].length<2||"="!==t[e].charAt(1))return!1;return!0},et=er,function({window:e}={},t={shimChrome:!0,shimFirefox:!0,shimSafari:!0}){let r=function(e){let t={browser:null,version:null};if(void 0===e||!e.navigator||!e.navigator.userAgent)return t.browser="Not a browser.",t;let{navigator:r}=e;return r.mozGetUserMedia?(t.browser="firefox",t.version=p(r.userAgent,/Firefox\/(\d+)\./,1)):r.webkitGetUserMedia||!1===e.isSecureContext&&e.webkitRTCPeerConnection?(t.browser="chrome",t.version=p(r.userAgent,/Chrom(e|ium)\/(\d+)\./,2)):e.RTCPeerConnection&&r.userAgent.match(/AppleWebKit\/(\d+)\./)?(t.browser="safari",t.version=p(r.userAgent,/AppleWebKit\/(\d+)\./,1),t.supportsUnifiedPlan=e.RTCRtpTransceiver&&"currentDirection"in e.RTCRtpTransceiver.prototype):t.browser="Not a supported browser.",t}(e),n={browserDetails:r,commonShim:ee,extractVersion:p,disableLog:l,disableWarnings:h,sdp:et};switch(r.browser){case"chrome":if(!C||!C.shimPeerConnection||!t.shimChrome){m("Chrome shim is not included in this adapter release.");break}if(null===r.version){m("Chrome shim can not determine version, not shimming.");break}m("adapter.js shimming chrome."),n.browserShim=C,ep(e,r),ed(e,r),C.shimGetUserMedia(e,r),C.shimMediaStream(e,r),C.shimPeerConnection(e,r),C.shimOnTrack(e,r),C.shimAddTrackRemoveTrack(e,r),C.shimGetSendersWithDtmf(e,r),C.shimGetStats(e,r),C.shimSenderReceiverGetStats(e,r),C.fixNegotiationNeeded(e,r),en(e,r),ei(e,r),ea(e,r),es(e,r),eo(e,r),ec(e,r);break;case"firefox":if(!D||!D.shimPeerConnection||!t.shimFirefox){m("Firefox shim is not included in this adapter release.");break}m("adapter.js shimming firefox."),n.browserShim=D,ep(e,r),ed(e,r),D.shimGetUserMedia(e,r),D.shimPeerConnection(e,r),D.shimOnTrack(e,r),D.shimRemoveStream(e,r),D.shimSenderGetStats(e,r),D.shimReceiverGetStats(e,r),D.shimRTCDataChannel(e,r),D.shimAddTransceiver(e,r),D.shimGetParameters(e,r),D.shimCreateOffer(e,r),D.shimCreateAnswer(e,r),en(e,r),ea(e,r),es(e,r),eo(e,r);break;case"safari":if(!W||!t.shimSafari){m("Safari shim is not included in this adapter release.");break}m("adapter.js shimming safari."),n.browserShim=W,ep(e,r),ed(e,r),W.shimRTCIceServerUrls(e,r),W.shimCreateOfferLegacy(e,r),W.shimCallbacksAPI(e,r),W.shimLocalStreamsAPI(e,r),W.shimRemoteStreamsAPI(e,r),W.shimTrackEventTransceiver(e,r),W.shimGetUserMedia(e,r),W.shimAudioContext(e,r),en(e,r),ei(e,r),es(e,r),eo(e,r),ec(e,r);break;default:m("Unsupported browser!")}}({window:"undefined"==typeof window?void 0:window});class el{rtc;peer;webrtc;totalSize=0;isReady=!1;isStarted=!1;isSending=!1;isRecaiving=!1;processedSize=0;recaivedFile;bufferSizePerChannel=1e7;bufferSizePerPack=1e4;safeBufferSizePerPack=9999;constructor(e,t){this.webrtc=e,this.rtc=e.rtc,this.peer=t}async RecaiveFile(e,t,r,n,i){let s=[];this.webrtc.on("datachannel",e=>{let n=0,o=0,a=0,c=[];e.onmessage=function({data:t}){if(0==o){let{size:r,part:n}=JSON.parse(t);o=r,a=n,e.send("READY")}else n+=t.byteLength,c.push(t),n==o&&(s[a]=new Blob(c),c=[],o=0,a=0,n=0,e.send("TOTAL_RECAIVED"))},e.onclose=()=>{0==--r&&i(new File(s,t.name,{type:t.type,lastModified:+new Date}))}})}async SendFile(e,t){this.isSending=!0,this.isStarted=!0;let r=await e.arrayBuffer(),n=Math.ceil(r.byteLength/1e7),i=Math.min(5,n);if("connected"!=this.webrtc.iceStatus)throw Error("WebRTC is a not ready");this.peer.send({type:"file",name:e.name,size:e.size,mimetype:e.type,partCount:n,channelCount:i,metadata:t});let s=[];for(let e=0;e<i;e++){let t=this.rtc.createDataChannel("\\?\\file_"+e);t.binaryType="arraybuffer",await new Promise(e=>{t.onopen=()=>{e(void 0)}}),s.push(t)}let o=0,a=()=>o<n?[r.slice(1e7*o,1e7*o+1e7),++o-1]:[!1,0],c=s.length;await new Promise(e=>{for(let t=0;t<s.length;t++)this.sendPartition(s[t],a,t,()=>{0==--c&&(this.isSending=!1,this.isStarted=!1,e(void 0))})})}sendPartition(e,t,r,n){let[i,s]=t(),o=0,a=()=>{if(!(i instanceof ArrayBuffer))return;let e=i.slice(16e3*o,16e3*o+16e3);if(o++,0!=e.byteLength)return e};e.addEventListener("message",({data:r})=>{"READY"==r&&this.sendFileChannel(e,a),"TOTAL_RECAIVED"==r&&([i,s]=t(),o=0,!1!=i?e.send(JSON.stringify({size:i.byteLength,part:s})):(e.close(),n()))}),e.send(JSON.stringify({size:i.byteLength,part:s}))}sendFileChannel(e,t){e.addEventListener("bufferedamountlow",function(){let r=t();r&&e.send(r)}),e.bufferedAmountLowThreshold=15999;let r=t();r&&e.send(r)}}class eh{static channels=new Map;static requireGC=!1;id;active=!1;connectionStatus="new";iceStatus="new";gatheringStatus="new";signalingStatus="";rtc;recaivingStream=new Map;sendingStream=new Map;events={};channel;static defaultRTCConfig={iceCandidatePoolSize:0,iceTransportPolicy:"all",rtcpMuxPolicy:"require"};static defaultICEServers=[{urls:"stun:stun.l.google.com:19302"},{urls:"stun:stun1.l.google.com:19302"},{urls:"stun:stun2.l.google.com:19302"},{urls:"stun:stun3.l.google.com:19302"},{urls:"stun:stun4.l.google.com:19302"}];peer;FileTransportChannel;constructor(e,t){let r={};e?Object.assign(r,eh.defaultRTCConfig,e):Object.assign(r,eh.defaultRTCConfig),r.iceServers=t||eh.defaultICEServers,this.rtc=new RTCPeerConnection(r),this.rtc.addEventListener("connectionstatechange",()=>{this.eventConnectionState()}),this.rtc.addEventListener("icecandidate",(...e)=>{this.eventIcecandidate(...e)}),this.rtc.addEventListener("iceconnectionstatechange",()=>{this.eventICEConnectionState()}),this.rtc.addEventListener("icegatheringstatechange",()=>{this.eventICEGatherinState()}),this.rtc.addEventListener("negotiationneeded",()=>{this.eventNogationNeeded()}),this.rtc.addEventListener("signalingstatechange",()=>{this.eventSignalingState()}),this.rtc.addEventListener("track",(...e)=>{this.eventTrack(...e)}),this.rtc.addEventListener("datachannel",(...e)=>{this.eventDatachannel(...e)}),this.on("input",async e=>{switch(e.type){case"icecandidate":await this.rtc.addIceCandidate(new RTCIceCandidate(e.value));break;case"offer":{await this.rtc.setRemoteDescription(new RTCSessionDescription(e.value));let t=await this.rtc.createAnswer({offerToReceiveAudio:!0,offerToReceiveVideo:!0});await this.rtc.setLocalDescription(t),this.send({type:"answer",value:t});break}case"answer":await this.rtc.setRemoteDescription(new RTCSessionDescription(e.value));break;case"streamInfo":{let{id:t,value:r}=e,n=this.recaivingStream.get(t);n?this.recaivingStream.set(t,{...n,...r}):this.recaivingStream.set(t,r),this.send({type:"streamAccept",id:t});break}case"streamRemoved":{let{id:t}=e;this.emit("stream:stopped",this.recaivingStream.get(t)),this.sendingStream.delete(t);break}case"streamAccept":{let{id:t}=e,r=this.sendingStream.get(t),n=[];if(r&&r.stream){for(let e of r.stream.getTracks())n.push(this.rtc.addTrack(e,r.stream));r.senders=n}break}case"message":this.emit("message",e.payload)}})}addEventListener(e,t){(this.events[e]||(this.events[e]=[])).push(t)}on(e,t){this.addEventListener(e,t)}async dispatch(e,...t){if(this.events[e])for(let r of this.events[e])await r(...t)}async emit(e,...t){await this.dispatch(e,...t)}connect(){this.channel||this.createDefaultDataChannel()}sendMessage(e){this.send({type:"message",payload:e})}createDefaultDataChannel(){let e=this.rtc.createDataChannel(":default:",{ordered:!0});e.addEventListener("open",()=>{this.channel=e,eh.channels.set(this.id,this),this.active=!0}),e.addEventListener("message",({data:e})=>{let t=JSON.parse(e);this.emit("input",t)}),e.addEventListener("close",()=>{this.channel=void 0,this.active=!1})}destroy(){this.active=!1,this.channel&&(this.channel.close(),this.channel=void 0),this.rtc&&this.rtc.close(),this.emit("disconnected"),eh.channels.delete(this.id)}eventDatachannel(e){":default:"==e.channel.label?(eh.channels.set(this.id,this),this.channel=e.channel,this.active=!0,e.channel.addEventListener("message",({data:e})=>{let t=JSON.parse(e);this.emit("input",t)}),e.channel.addEventListener("close",()=>{this.channel=void 0,eh.channels.delete(this.id),eh.requireGC=!0})):this.emit("datachannel",e.channel)}send(e){this.channel?.readyState=="open"?this.channel.send(JSON.stringify(e)):this.emit("output",e)}eventConnectionState(){this.connectionStatus=this.rtc.connectionState,"connected"==this.connectionStatus&&!1==this.active&&this.emit("connected"),("failed"==this.connectionStatus||"disconnected"==this.connectionStatus||"closed"==this.connectionStatus)&&this.active&&this.destroy()}eventIcecandidate(e){e.candidate&&this.send({type:"icecandidate",value:e.candidate})}eventICEConnectionState(){this.iceStatus=this.rtc.iceConnectionState}eventICEGatherinState(){this.gatheringStatus=this.rtc.iceGatheringState}async eventNogationNeeded(){let e=await this.rtc.createOffer({iceRestart:!0,offerToReceiveAudio:!0,offerToReceiveVideo:!0});await this.rtc.setLocalDescription(e),this.send({type:"offer",value:e})}eventSignalingState(){this.signalingStatus=this.rtc.signalingState}eventTrack(e){let t=e.receiver;if(e.streams.length)for(let r of e.streams){let e=this.recaivingStream.get(r.id);(e.recaivers||(e.recaivers=[])).push(t),null==this.recaivingStream.get(r.id).stream?(e.stream=r,this.emit("stream:added",this.recaivingStream.get(r.id))):e.stream=r}}sendStream(e,t,r){this.send({type:"streamInfo",id:e.id,value:{...r,name:t}}),this.sendingStream.set(e.id,{...r,id:e.id,name:t,stream:e})}stopStream(e){if("connected"==this.connectionStatus&&this.sendingStream.has(e.id)){let{stream:t}=this.sendingStream.get(e.id);for(let e of t.getTracks())for(let t of this.rtc.getSenders())t.track?.id==e.id&&this.rtc.removeTrack(t);this.send({type:"streamRemoved",id:t.id}),this.sendingStream.delete(e.id)}}stopAllStreams(){if("connected"==this.connectionStatus){for(let[,{stream:e}]of this.sendingStream)if(void 0!=e){for(let t of e.getTracks())for(let e of this.rtc.getSenders())e.track?.id==t.id&&this.rtc.removeTrack(e);this.send({type:"streamRemoved",id:e.id})}this.sendingStream.clear()}}async SendFile(e,t){if(!this.peer)throw Error("Peer is not ready");this.FileTransportChannel=new el(this,this.peer),await this.FileTransportChannel.SendFile(e,t)}async RecaiveFile(e,t,r){if(!this.peer)throw Error("Peer is not ready");return this.FileTransportChannel=new el(this,this.peer),await new Promise(n=>{this.FileTransportChannel&&this.FileTransportChannel.RecaiveFile(this.rtc,t,e,r,e=>{n(e)})})}}eh.requireGC=!1,setInterval(()=>{if(!1==eh.requireGC)return;let e=document.createElement("img");e.src=window.URL.createObjectURL(new Blob([new ArrayBuffer(5e7)])),e.onerror=function(){window.URL.revokeObjectURL(this.src)},eh.requireGC=!1},3e3),(v=g||(g={}))[v.PayloadMessagePack=-12873.54]="PayloadMessagePack",v[v.PayloadRTCBasePack=-12884.54]="PayloadRTCBasePack";class em extends i{mwse;options={};socketId;selfSocket=!1;active=!1;info;rtc;peerConnection=!1;primaryChannel="datachannel";constructor(e){super(),this.mwse=e,this.info=new o(this),this.on("pack",e=>{if(":rtcbase_pack:"==e.type)return this.rtc?this.rtc.emit("input",e.payload):console.warn("Not active rtc but recaived rtc packs");this.emit("message",e)})}createRTC(e,t){return this.rtc=new eh(e,t),this.rtc.peer=this,this.rtc.on("connected",()=>{this.peerConnection=!0}),this.rtc.on("disconnected",()=>{this.peerConnection=!1}),this.rtc.on("output",e=>{this.send({type:":rtcbase_pack:",payload:e})}),this.rtc.on("message",e=>{this.emit("pack",e)}),this.rtc}setPeerOptions(e){"string"==typeof e?this.setSocketId(e):this.options=e}setSocketId(e){this.socketId=e}async metadata(){if("me"==this.socketId){let e=await this.mwse.EventPooling.request({type:"my/socketid"});return this.selfSocket=!0,this.active||=!0,this.socketId=e,this.emit("scope"),this.activeScope=!0,e}}async request(e){if(this.active)return await this.mwse.request(this.socketId,e)}equalTo(e){return this.socketId==e.socketId}async isReachable(){return await this.mwse.EventPooling.request({type:"is/reachable",to:this.socketId})}async enablePairAuth(){await this.mwse.EventPooling.request({type:"auth/pair-system",value:"everybody"})}async disablePairAuth(){await this.mwse.EventPooling.request({type:"auth/pair-system",value:"disable"})}async enablePairInfo(){await this.mwse.EventPooling.request({type:"connection/pairinfo",value:!0})}async disablePairInfo(){await this.mwse.EventPooling.request({type:"connection/pairinfo",value:!1})}async requestPair(){let{message:e,status:t}=await this.mwse.EventPooling.request({type:"request/pair",to:this.socketId});return("ALREADY-PAIRED"==e||"ALREADY-REQUESTED"==e)&&console.warn("Already paired or pair requested"),"fail"!=t||(console.error("Request Pair Error",t,e),!1)}async endPair(){await this.mwse.EventPooling.request({type:"end/pair",to:this.socketId}),this.forget()}async acceptPair(){let{message:e,status:t}=await this.mwse.EventPooling.request({type:"accept/pair",to:this.socketId});return"fail"!=t||(console.error("Pair Error",t,e),!1)}async rejectPair(){let{message:e,status:t}=await this.mwse.EventPooling.request({type:"reject/pair",to:this.socketId});return"fail"!=t||(console.error("Pair Error",t,e),!1)}async getPairedList(){let{value:e}=await this.mwse.EventPooling.request({type:"pair/list",to:this.socketId});return e}async send(e){let t=this.peerConnection&&this.rtc?.active,r=this.mwse.server.connected;if("websocket"==(t&&r?"websocket"==this.primaryChannel?"websocket":"datachannel":r?"websocket":"datachannel")){if(!this.mwse.writable)return console.warn("Socket is not writable");await this.mwse.EventPooling.request({type:"pack/to",pack:e,to:this.socketId})}else this.rtc?.sendMessage(e)}async forget(){this.mwse.peers.delete(this.socketId),this.mwse.pairs.delete(this.socketId)}}class eu{room;info={};constructor(e){this.room=e,this.room.on("updateinfo",(e,t)=>{this.info[e]=t})}async fetch(e){if(e){let t=await this.room.mwse.EventPooling.request({type:"room/getinfo",roomId:this.room.roomId,name:e});"success"==t.status?this.info=t.value:console.warn(t.message)}else{let e=await this.room.mwse.EventPooling.request({type:"room/info",roomId:this.room.roomId});"success"==e.status?this.info=e.value:console.warn(e.message)}return this.info}set(e,t){this.info[e]=t,this.room.mwse.WSTSProtocol.SendOnly({type:"room/setinfo",roomId:this.room.roomId,name:e,value:t})}get(e){return e?this.info[e]:this.info}}class ef extends i{mwse;options;roomId;accessType;description;joinType;name;owner;peers=new Map;info;constructor(e){super(),this.mwse=e,this.info=new eu(this)}setRoomOptions(e){if("string"==typeof e)this.roomId=e;else{let t={joinType:"free",ifexistsJoin:!0,accessType:"private",notifyActionInvite:!0,notifyActionJoined:!0,notifyActionEjected:!0,autoFetchInfo:!0};Object.assign(t,e),this.options=t}}setRoomId(e){this.roomId=e}async createRoom(e){let t=this.options||e,r=await this.mwse.EventPooling.request({type:"create-room",...t});if("fail"==r.status){if("ALREADY-EXISTS"==r.message&&this.options.ifexistsJoin)return this.join();throw Error(r.message||r.messages)}this.options={...this.options,...r.room},this.roomId=r.room.id,this.mwse.rooms.set(this.roomId,this)}async join(){let e=await this.mwse.EventPooling.request({type:"joinroom",name:this.options.name,credential:this.options.credential,autoFetchInfo:this.options.autoFetchInfo||!1});if("fail"==e.status)throw Error(e.message);this.options={...this.options,...e.room},e.info&&(this.info.info=e.info),this.roomId=e.room.id,this.mwse.rooms.set(this.roomId,this)}async eject(){let{type:e}=await this.mwse.EventPooling.request({type:"ejectroom",roomId:this.roomId});this.peers.clear(),"success"==e&&this.mwse.rooms.delete(this.roomId)}async send(e,t=!1){if(!this.mwse.writable)return console.warn("Socket is not writable");await this.mwse.EventPooling.request({type:"pack/room",pack:e,to:this.roomId,wom:t})}async fetchPeers(e,t=!1){if(t){let{count:t}=await this.mwse.EventPooling.request({type:"room/peer-count",roomId:this.roomId,filter:e||{}});return t}{let{status:t,peers:r}=await this.mwse.EventPooling.request({type:"room-peers",roomId:this.roomId,filter:e||{}}),n=[];if("fail"==t)throw Error("Cant using peers on room");if("success"==t)for(let e of r){let t=this.mwse.peer(e,!0);n.push(t),this.peers.set(e,t)}return n}}}class ey{mwse;constructor(e){this.mwse=e,this.addListener()}addListener(){this.mwse.server?.onRecaivePack(e=>{this.PackAnalyze(e)})}SendRaw(e){this.mwse.server.tranferToServer(e)}SendOnly(e){this.mwse.server.tranferToServer([e,"R"])}SendRequest(e,t){this.mwse.server.tranferToServer([e,t,"R"])}StartStream(e,t){this.mwse.server.tranferToServer([e,t,"S"])}PackAnalyze(e){let[t,r,n]=e;if("number"==typeof r){let e=this.mwse.EventPooling.events.get(r);e?(e[0](t,n),"E"===n&&this.mwse.EventPooling.events.delete(r)):console.warn("Missing event sended from server")}else{let e=this.mwse.EventPooling.signals.get(r);if(e)for(let r of e)r(t);else console.warn("Missing event sended from server")}}}class ev extends i{static rtc;server;WSTSProtocol;EventPooling;rooms=new Map;pairs=new Map;peers=new Map;virtualPressure;me;constructor(e){super(),this.server=new r(e),this.WSTSProtocol=new ey(this),this.EventPooling=new n(this),this.virtualPressure=new s(this),this.server.connect(),this.me=new em(this),this.me.scope(()=>{this.peers.set("me",this.me),this.peers.set(this.me.socketId,this.me)}),this.server.onActive(async()=>{this.me.setSocketId("me"),await this.me.metadata(),this.emit("scope"),this.activeScope=!0}),this.packMessagingSystem()}writable=1;readable=1;enableRecaiveData(){this.WSTSProtocol.SendOnly({type:"connection/packrecaive",value:1}),this.readable=1}disableRecaiveData(){this.WSTSProtocol.SendOnly({type:"connection/packrecaive",value:0}),this.readable=0}enableSendData(){this.WSTSProtocol.SendOnly({type:"connection/packsending",value:1}),this.writable=1}disableSendData(){this.WSTSProtocol.SendOnly({type:"connection/packsending",value:0}),this.writable=0}enableNotifyRoomInfo(){this.WSTSProtocol.SendOnly({type:"connection/roominfo",value:1})}disableNotifyRoomInfo(){this.WSTSProtocol.SendOnly({type:"connection/roominfo",value:0})}async request(e,t){let{pack:r}=await this.EventPooling.request({type:"request/to",to:e,pack:t});return r}async response(e,t,r){this.WSTSProtocol.SendOnly({type:"response/to",to:e,pack:r,id:t})}packMessagingSystem(){this.EventPooling.signal("pack",e=>{if(this.readable){let{from:t,pack:r}=e;this.peer(t,!0).emit("pack",r)}}),this.EventPooling.signal("request",e=>{let{from:t,pack:r,id:n}=e,i={body:r,response:e=>{this.response(t,n,e)},peer:this.peer(t,!0)};this.peer(t,!0).emit("request",i),this.peer("me").emit("request",i)}),this.EventPooling.signal("pack/room",e=>{if(this.readable){let{from:t,pack:r,sender:n}=e;this.room(t).emit("message",r,this.peer(n))}}),this.EventPooling.signal("room/joined",e=>{let{id:t,roomid:r}=e,n=this.room(r),i=this.peer(t,!0);n.peers.set(i.socketId,i),n.emit("join",i)}),this.EventPooling.signal("room/info",e=>{let{roomId:t,name:r,value:n}=e;this.room(t).emit("updateinfo",r,n)}),this.EventPooling.signal("room/ejected",e=>{let{id:t,roomid:r}=e,n=this.room(r),i=this.peer(t);n.peers.delete(i.socketId),n.emit("eject",i)}),this.EventPooling.signal("room/closed",e=>{let{roomid:t}=e,r=this.room(t);r.peers.clear(),r.emit("close"),this.rooms.delete(t)}),this.EventPooling.signal("pair/info",e=>{let{from:t,name:r,value:n}=e,i=this.peer(t);i.info.info[r]=n,i.emit("info",r,n)}),this.EventPooling.signal("request/pair",e=>{let{from:t,info:r}=e,n=this.peer(t);n.info.info=r,n.emit("request/pair",n),this.peer("me").emit("request/pair",n)}),this.EventPooling.signal("accepted/pair",e=>{let{from:t,info:r}=e,n=this.peer(t);n.info.info=r,n.emit("accepted/pair",n),this.peer("me").emit("accepted/pairr",n)}),this.EventPooling.signal("end/pair",e=>{let{from:t,info:r}=e;this.peer(t).emit("endPair",r),this.peer("me").emit("endPair",t,r)})}room(e){if("string"==typeof e&&this.rooms.has(e))return this.rooms.get(e);let t=new ef(this);return t.setRoomOptions(e),this.emit("room"),t}peer(e,t=!1){if("string"==typeof e){if(this.peers.has(e))return this.peers.get(e);if(this.pairs.has(e))return this.pairs.get(e)}let r=new em(this);return r.setPeerOptions(e),r.active=t,this.peers.set(r.socketId,r),this.emit("peer",r),r}}window.MWSE=ev})();
 //# sourceMappingURL=index.js.map
diff --git a/script/index.js.map b/script/index.js.map
index 3572665..f1b75bc 100644
--- a/script/index.js.map
+++ b/script/index.js.map
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{Connection,IConnection} from \"./Connection\";\nimport EventPool from \"./EventPool\";\nimport EventTarget from \"./EventTarget\";\nimport { IPPressure } from \"./IPPressure\";\nimport Peer from \"./Peer\";\nimport Room, { IRoomOptions } from \"./Room\";\nimport WSTSProtocol, { Message } from \"./WSTSProtocol\";\nimport WebRTC from \"./WebRTC\";\n//import {Gzip} from \"fflate\";\nexport default class MWSE extends EventTarget {\n    public static rtc : WebRTC;\n    public server! : Connection;\n    public WSTSProtocol! : WSTSProtocol;\n    public EventPooling! : EventPool;\n    public rooms : Map<string, Room> = new Map();\n    public pairs : Map<string, Peer> = new Map();\n    public peers : Map<string, Peer> = new Map();\n    public virtualPressure : IPPressure;\n    public me! : Peer;\n    /*public static compress(message:string, callback:(e:any) => any)\n    {\n        let u : any= [];\n        let C = new Gzip({\n            level: 9,\n            mem: 12\n        },(stream,isLast) => {\n            u.push(stream);\n            if(isLast)\n            {\n                callback(u);\n            }\n        });\n        C.push(new TextEncoder().encode(message), true);\n    }*/\n    constructor(options: IConnection){\n        super();\n        this.server = new Connection(options);\n        this.WSTSProtocol = new WSTSProtocol(this);\n        this.EventPooling = new EventPool(this);\n        this.virtualPressure = new IPPressure(this);\n        this.server.connect();\n        this.me = new Peer(this);\n        this.me.scope(()=>{\n            this.peers.set('me', this.me);\n            this.peers.set(this.me.socketId as string, this.me);\n        })\n        this.server.onActive(async ()=>{\n            this.me.setSocketId('me');\n            await this.me.metadata();\n            this.emit('scope');\n            this.activeScope = true;\n        });\n        this.packMessagingSystem();\n    }\n\n    public writable = 1;\n    public readable = 1;\n\n    public enableRecaiveData(){\n        this.WSTSProtocol.SendOnly({ type: 'connection/packrecaive', value: 1 })\n        this.readable = 1\n    }\n    public disableRecaiveData(){\n        this.WSTSProtocol.SendOnly({ type: 'connection/packrecaive', value: 0 })\n        this.readable = 0\n    }\n\n    public enableSendData(){\n        this.WSTSProtocol.SendOnly({ type: 'connection/packsending', value: 1 })\n        this.writable = 1\n    }\n    public disableSendData(){\n        this.WSTSProtocol.SendOnly({ type: 'connection/packsending', value: 0 })\n        this.writable = 0\n    }\n\n    public enableNotifyRoomInfo(){\n        this.WSTSProtocol.SendOnly({ type: 'connection/roominfo', value: 1 })\n    }\n    public disableNotifyRoomInfo(){\n        this.WSTSProtocol.SendOnly({ type: 'connection/roominfo', value: 0 })\n    }\n\n    public async request(peerId: string, pack:Message)\n    {\n        let {pack:answer} = await this.EventPooling.request({\n            type: 'request/to',\n            to: peerId,\n            pack\n        });\n        return answer;\n    }\n    public async response(peerId: string, requestId:number, pack:Message)\n    {\n        this.WSTSProtocol.SendOnly({\n            type: 'response/to',\n            to: peerId,\n            pack,\n            id: requestId\n        })\n    }\n    private packMessagingSystem()\n    {\n        this.EventPooling.signal('pack',(payload : {from:string,pack:any}) => {\n            if(this.readable)\n            {\n                let {from,pack} = payload;\n                this.peer(from, true).emit('pack', pack);\n            }\n        })\n        this.EventPooling.signal('request',(payload : {from:string,pack:any,id:number}) => {\n            let {from,pack, id} = payload;\n            let scope = {\n                body: pack,\n                response: (pack: Message) => {\n                    this.response(from, id, pack);\n                },\n                peer: this.peer(from, true)\n            };\n            this.peer(from, true).emit('request', scope);\n            this.peer('me').emit('request', scope);\n        })\n        this.EventPooling.signal('pack/room',(payload : {from:string,pack:any,sender:string}) => {\n            if(this.readable)\n            {\n                let {from,pack,sender} = payload;\n                this.room(from).emit('message', pack, this.peer(sender));\n            }\n        })\n        this.EventPooling.signal('room/joined',(payload : {id:string,roomid:any,ownerid:string}) => {\n            let {id,roomid} = payload;\n            let room = this.room(roomid);\n            let peer = this.peer(id, true);\n            room.peers.set(peer.socketId as string, peer);\n            room.emit('join', peer);\n        })\n        this.EventPooling.signal('room/info',(payload : {roomId:string,value:any,name:string}) => {\n            let {roomId,name,value} = payload;\n            this.room(roomId).emit('updateinfo', name,value);\n        })\n        this.EventPooling.signal('room/ejected',(payload : {id:string,roomid:any,ownerid:string}) => {\n            let {id,roomid} = payload;\n            let room = this.room(roomid);\n            let peer = this.peer(id);\n            room.peers.delete(peer.socketId as string);\n            room.emit('eject', peer);\n        })\n        this.EventPooling.signal('room/closed',(payload : {roomid:any}) => {\n            let {roomid} = payload;\n            let room = this.room(roomid);\n            room.peers.clear();\n            room.emit('close');\n            this.rooms.delete(roomid);\n        })\n        this.EventPooling.signal(\"pair/info\", (payload : {from : string,name: string, value: string | number | boolean}) => {\n            let {from, name, value} = payload;\n            let peer = this.peer(from);\n            peer.info.info[name] = value;\n            peer.emit(\"info\", name, value);\n        })\n        this.EventPooling.signal(\"request/pair\", (payload : {from : string,info: any}) => {\n            let {from, info} = payload;\n            let peer = this.peer(from);\n            peer.info.info = info;\n            peer.emit(\"request/pair\", peer);\n            this.peer('me').emit('request/pair', peer);\n        })\n        this.EventPooling.signal(\"accepted/pair\", (payload : {from : string,info: any}) => {\n            let {from, info} = payload;\n            let peer = this.peer(from);\n            peer.info.info = info;\n            peer.emit(\"accepted/pair\", peer);\n            this.peer('me').emit('accepted/pairr', peer);\n        })\n        this.EventPooling.signal(\"end/pair\", (payload : {from : string,info: any}) => {\n            let {from, info} = payload;\n            let peer = this.peer(from);\n            peer.emit(\"endPair\", info);\n            this.peer('me').emit('endPair', from, info);\n        })\n    }\n    public room(options: IRoomOptions | string) : Room\n    {\n        if(typeof options == \"string\")\n        {\n            if(this.rooms.has(options))\n            {\n                return this.rooms.get(options) as Room\n            }\n        }\n        let room = new Room(this);\n        room.setRoomOptions(options);\n        this.emit('room');\n        return room;\n    }\n    public peer(options: string | IRoomOptions, isActive = false) : Peer\n    {\n        if(typeof options == \"string\")\n        {\n            if(this.peers.has(options))\n            {\n                return this.peers.get(options) as Peer\n            }\n            if(this.pairs.has(options))\n            {\n                return this.pairs.get(options) as Peer\n            }\n        }\n        let peer = new Peer(this);\n        peer.setPeerOptions(options);\n        peer.active = isActive;\n        this.peers.set(peer.socketId as string, peer);\n        this.emit('peer', peer);\n        return peer;\n    }\n};\n\ndeclare global {\n    interface Window {\n        MWSE: any;\n    }\n}\n\nwindow.MWSE = MWSE;","export interface IConnection{\n    endpoint: string;\n    autoReconnect?: boolean | {\n        timeout: number;\n    }\n}\nexport class Connection\n{\n    public ws! : WebSocket;\n    public endpoint : URL;\n    public autoPair : boolean = false;\n    public connected : boolean = false;\n\n    public autoReconnect : boolean = true;\n    public autoReconnectTimeout : number = 3000;\n    public autoReconnectTimer? : number;\n    constructor(options: IConnection){\n        this.endpoint = new URL(options.endpoint);\n        if(typeof options.autoReconnect == \"boolean\")\n        {\n            this.autoReconnect = true;\n        }else if(options.autoReconnect)\n        {\n            this.autoReconnect = true;\n            this.autoReconnectTimeout = options.autoReconnect.timeout;\n        }\n    }\n    public connect()\n    {\n        if(this.autoReconnectTimer)\n        {\n            clearTimeout(this.autoReconnectTimer)\n        };\n        this.ws = new WebSocket(this.endpoint.href);\n        this.addWSEvents();\n    }\n    public disconnect()\n    {\n        this.ws.close();\n    }\n    public addWSEvents()\n    {\n        this.ws.addEventListener(\"open\", () => this.eventOpen());\n        this.ws.addEventListener(\"close\", () => this.eventClose());\n        this.ws.addEventListener(\"error\", () => this.eventError());\n        this.ws.addEventListener(\"message\", ({data}) => this.eventMessage(data as string | ArrayBuffer));\n    }\n    private eventOpen()\n    {\n        this.connected = true;\n        for (const callback of this.activeConnectionEvent) {\n            callback(void 0);\n        }\n    }\n    private eventClose()\n    {\n        this.connected = false;\n        if(this.autoReconnect)\n        {\n            this.autoReconnectTimer = setTimeout(() => this.connect(), this.autoReconnectTimeout)\n        }\n    }\n    private eventError()\n    {\n        this.connected = false;\n    }\n    private recaivePackEvent : ((data:any) => any)[] = [];\n    public onRecaivePack(func:(data:any) => any)\n    {\n        this.recaivePackEvent.push(func);\n    }\n    private activeConnectionEvent : Function[] = [];\n    public onActive(func:Function)\n    {\n        if(this.connected)\n        {\n            func()\n        }else{\n            this.activeConnectionEvent.push(func);\n        }\n    }\n    private eventMessage(data: string | ArrayBuffer)\n    {\n        if(typeof data == \"string\")\n        {\n            let $data = JSON.parse(data);\n            for (const callback of this.recaivePackEvent) {\n                callback($data);\n            }\n        }\n    }\n    public tranferToServer(data:any)\n    {\n        if(this.connected)\n        {\n            this.ws.send(JSON.stringify(data));\n        }\n    }\n}","exports.interopDefault = function (a) {\n  return a && a.__esModule ? a : {default: a};\n};\n\nexports.defineInteropFlag = function (a) {\n  Object.defineProperty(a, '__esModule', {value: true});\n};\n\nexports.exportAll = function (source, dest) {\n  Object.keys(source).forEach(function (key) {\n    if (\n      key === 'default' ||\n      key === '__esModule' ||\n      Object.prototype.hasOwnProperty.call(dest, key)\n    ) {\n      return;\n    }\n\n    Object.defineProperty(dest, key, {\n      enumerable: true,\n      get: function () {\n        return source[key];\n      },\n    });\n  });\n\n  return dest;\n};\n\nexports.export = function (dest, destName, get) {\n  Object.defineProperty(dest, destName, {\n    enumerable: true,\n    get: get,\n  });\n};\n","import MWSE from \"./index\";\nimport { Message } from \"./WSTSProtocol\";\n\nexport default class EventPool\n{\n    public wsts : MWSE;\n    public events : Map<number, [Function,Function]> = new Map();\n    public signals : Map<string, Function[]> = new Map();\n\n    public requests : Map<number, [Function,Function]> = new Map();\n\n    public count = 0;\n    constructor(wsts:MWSE){\n        this.wsts = wsts;\n    }\n    public request(msg: Message) : Promise<any>\n    {\n        return new Promise((ok,rej) => {\n            let id = ++this.count;\n            this.wsts.WSTSProtocol.SendRequest(msg, id);\n            this.events.set(id,[\n                (data:any) => {\n                    ok(data);\n                },\n                (data:any) => {\n                    rej(data);\n                }\n            ]);\n        })\n    }\n    public stream(msg: Message, callback: Function)\n    {\n        let id = ++this.count;\n        this.wsts.WSTSProtocol.StartStream(msg, id);\n        this.events.set(id,[\n            (data:any) => {\n                callback(data);\n            },\n            () => { }\n        ]);\n    }\n    public signal(event: string, callback: Function)\n    {\n        let T = this.signals.get(event);\n        if(!T)\n        {\n            this.signals.set(event, [callback]);\n        }else{\n            T.push(callback);\n        }\n    }\n}","export default class EventTarget\n{\n    private events : {[key:string]:Function[]} = {};\n    public emit(eventName :string, ...args:any[])\n    {\n        if(this.events[eventName])\n        {\n            for (const callback of this.events[eventName]) {\n                callback(...args);\n            }\n        }\n    }\n    public on(eventName :string, callback:Function)\n    {\n        if(this.events[eventName])\n        {\n            this.events[eventName].push(callback)\n        }else{\n            this.events[eventName] = [callback];\n        }\n    }\n    public activeScope : boolean = false;\n    scope(f:Function)\n    {\n        if(this.activeScope)\n        {\n            f()\n        }else{\n            this.on('scope', f)\n        }\n    }\n}","import MWSE from \"frontend\";\n\nexport class IPPressure\n{\n    public mwse : MWSE;\n    public APNumber? : number;\n    public APShortCode? : string;\n    public APIPAddress? : string;\n    constructor(mwse : MWSE){\n        this.mwse = mwse;\n    };\n    public async allocAPIPAddress()\n    {\n        let {status,ip} = await this.mwse.EventPooling.request({\n            type: 'alloc/APIPAddress'\n        }) as {\n            status:\"fail\"|\"success\",\n            ip?:string\n        };\n        if(status == 'success')\n        {\n            this.APIPAddress = ip;\n            return ip;\n        }else{\n            throw new Error(\"Error Allocated Access Point IP Address\");\n        }\n    }\n    public async allocAPNumber()\n    {\n        let {status,number} = await this.mwse.EventPooling.request({\n            type: 'alloc/APNumber'\n        }) as {\n            status:\"fail\"|\"success\",\n            number?:number\n        };\n        if(status == 'success')\n        {\n            this.APNumber = number;\n            return number;\n        }else{\n            throw new Error(\"Error Allocated Access Point Number\");\n        }\n    }\n    public async allocAPShortCode()\n    {\n        let {status,code} = await this.mwse.EventPooling.request({\n            type: 'alloc/APShortCode'\n        }) as {\n            status:\"fail\"|\"success\",\n            code?:string\n        };\n        if(status == 'success')\n        {\n            this.APShortCode = code;\n            return code;\n        }else{\n            throw new Error(\"Error Allocated Access Point Short Code\");\n        }\n    }\n    public async reallocAPIPAddress()\n    {\n        let {status,ip} = await this.mwse.EventPooling.request({\n            type: 'realloc/APIPAddress'\n        }) as {\n            status:\"fail\"|\"success\",\n            ip?:string\n        };\n        if(status == 'success')\n        {\n            this.APIPAddress = ip;\n            return ip;\n        }else{\n            throw new Error(\"Error Reallocated Access Point IP Address\");\n        }\n    }\n    public async reallocAPNumber()\n    {\n        let {status,number} = await this.mwse.EventPooling.request({\n            type: 'realloc/APNumber'\n        }) as {\n            status:\"fail\"|\"success\",\n            number?:number\n        };\n        if(status == 'success')\n        {\n            this.APNumber = number;\n            return number;\n        }else{\n            throw new Error(\"Error Reallocated Access Point Number\");\n        }\n    }\n    public async reallocAPShortCode()\n    {\n        let {status,code} = await this.mwse.EventPooling.request({\n            type: 'realloc/APShortCode'\n        }) as {\n            status:\"fail\"|\"success\",\n            code?:string\n        };\n        if(status == 'success')\n        {\n            this.APShortCode = code;\n            return code;\n        }else{\n            throw new Error(\"Error Reallocated Access Point Short Code\");\n        }\n    }\n    public async releaseAPIPAddress()\n    {\n        let {status} = await this.mwse.EventPooling.request({\n            type: 'release/APIPAddress'\n        }) as {\n            status:\"fail\"|\"success\",\n        };\n        if(status == 'success')\n        {\n            this.APIPAddress = undefined;\n        }else{\n            throw new Error(\"Error release Access Point IP Address\");\n        }\n    }\n    public async releaseAPNumber()\n    {\n        let {status} = await this.mwse.EventPooling.request({\n            type: 'release/APNumber'\n        }) as {\n            status:\"fail\"|\"success\",\n        };\n        if(status == 'success')\n        {\n            this.APNumber = undefined;\n        }else{\n            throw new Error(\"Error release Access Point Number\");\n        }\n    }\n    public async releaseAPShortCode()\n    {\n        let {status} = await this.mwse.EventPooling.request({\n            type: 'release/APShortCode'\n        }) as {\n            status:string\n        };\n        if(status == 'success')\n        {\n            this.APShortCode = undefined;\n        }else{\n            throw new Error(\"Error release Access Point Short Code\");\n        }\n    }\n    public async queryAPIPAddress(ip:string)\n    {\n        let {status,socket} = await this.mwse.EventPooling.request({\n            type: 'whois/APIPAddress',\n            whois: ip\n        }) as {\n            status:\"fail\"|\"success\",\n            socket?:string\n        };\n        if(status == \"success\")\n        {\n            return socket;\n        }else{\n            return null;\n        }\n    }\n    public async queryAPNumber(number:number)\n    {\n        let {status,socket} = await this.mwse.EventPooling.request({\n            type: 'whois/APNumber',\n            whois: number\n        }) as {\n            status:\"fail\"|\"success\",\n            socket?:string\n        };\n        if(status == \"success\")\n        {\n            return socket;\n        }else{\n            return null;\n        }\n    }\n    public async queryAPShortCode(code:string)\n    {\n        let {status,socket} = await this.mwse.EventPooling.request({\n            type: 'whois/APShortCode',\n            whois: code\n        }) as {\n            status:\"fail\"|\"success\",\n            socket?:string\n        };\n        if(status == \"success\")\n        {\n            return socket;\n        }else{\n            return null;\n        }\n    }\n}","import EventTarget from \"./EventTarget\";\nimport { PeerInfo } from \"./PeerInfo\";\nimport WebRTC from \"./WebRTC\";\nimport MWSE from \"./index\";\n\ninterface IPeerOptions{\n\n};\n\nenum IMessageSymbase\n{\n    PayloadMessagePack = -12873.54,\n    PayloadRTCBasePack = -12884.54\n}\n\n\nexport default class Peer extends EventTarget\n{\n    public mwse : MWSE;\n    public options : IPeerOptions = {};\n    public socketId? : string;\n    public selfSocket : boolean = false;\n    public active : boolean = false;\n    public info : PeerInfo;\n    public rtc? : WebRTC;\n    public peerConnection : boolean = false;\n    public primaryChannel : \"websocket\" | \"datachannel\" = \"datachannel\";\n    constructor(wsts:MWSE){\n        super();\n        this.mwse = wsts;\n        this.info = new PeerInfo(this);\n        this.on('pack',(data:{type?:string,action?:IMessageSymbase,payload?:any}) => {\n            if(data.type == ':rtcbase_pack:')\n            {\n                if(this.rtc)\n                {\n                    return this.rtc.emit(\"input\", data.payload)\n                }\n                return console.warn(\"Not active rtc but recaived rtc packs\")\n            };\n            this.emit(\"message\", data);\n        });\n    }\n    public createRTC(rtcConfig?: RTCConfiguration | undefined, rtcServers?: RTCIceServer[] | undefined) : WebRTC\n    {\n        this.rtc = new WebRTC(rtcConfig,rtcServers);\n        this.rtc.peer = this;\n        this.rtc.on(\"connected\", () => {\n            this.peerConnection = true;\n        });\n        this.rtc.on('disconnected', () => {\n            this.peerConnection = false;\n        })\n        this.rtc.on(\"output\",(payload:object) => {\n            this.send({\n                type: ':rtcbase_pack:',\n                payload: payload\n            })\n        });\n        this.rtc.on(\"message\",(payload:object) => {\n            this.emit(\"pack\",payload);\n        });\n        return this.rtc;\n    }\n    public setPeerOptions(options: string | IPeerOptions){\n        if(typeof options == \"string\")\n        {\n            this.setSocketId(options)\n        }else{\n            this.options = options;\n        }\n    }\n    public setSocketId(uuid: string){\n        this.socketId = uuid;\n    }\n    async metadata() : Promise<any>\n    {\n        if(this.socketId == 'me')\n        {\n            let result = await this.mwse.EventPooling.request({\n                type:'my/socketid'\n            });\n            this.selfSocket = true;\n            this.active ||= true;\n            this.socketId = result;\n            this.emit('scope');\n            this.activeScope = true;\n            return result;\n        }\n    };\n    \n    async request(pack:any){\n        if(this.active)\n        {\n           return await this.mwse.request(this.socketId as string, pack);\n        }\n    };\n    equalTo(peer : Peer | {socketId: string})\n    {\n        return this.socketId == peer.socketId;\n    }\n    async isReachable()\n    {\n        return await this.mwse.EventPooling.request({\n            type:'is/reachable',\n            to: this.socketId\n        });\n    }\n    async enablePairAuth(){\n        await this.mwse.EventPooling.request({\n            type:'auth/pair-system',\n            value: 'everybody'\n        });\n    }\n    async disablePairAuth(){\n        await this.mwse.EventPooling.request({\n            type:'auth/pair-system',\n            value: 'disable'\n        });\n    }\n    async enablePairInfo(){\n        await this.mwse.EventPooling.request({\n            type: 'connection/pairinfo',\n            value: true\n        });\n    }\n    async disablePairInfo(){\n        await this.mwse.EventPooling.request({\n            type: 'connection/pairinfo',\n            value: false\n        });\n    }\n    async requestPair()\n    {\n        let {message,status} = await this.mwse.EventPooling.request({\n            type:'request/pair',\n            to: this.socketId\n        });\n        if(\n            message == \"ALREADY-PAIRED\" ||\n            message == \"ALREADY-REQUESTED\"\n        )\n        {\n            console.warn(\"Already paired or pair requested\")\n        };\n        if(status == \"fail\")\n        {\n            console.error(\"Request Pair Error\",status, message);\n            return false;\n        }\n        return true;\n    }\n    async endPair()\n    {\n        await this.mwse.EventPooling.request({\n            type:'end/pair',\n            to: this.socketId\n        });\n        this.forget();\n    }\n    async acceptPair()\n    {\n        let {message,status} = await this.mwse.EventPooling.request({\n            type:'accept/pair',\n            to: this.socketId\n        });\n        if(status == \"fail\")\n        {\n            console.error(\"Pair Error\",status, message);\n            return false;\n        }\n        return true;\n    }\n    async rejectPair()\n    {\n        let {message,status} = await this.mwse.EventPooling.request({\n            type:'reject/pair',\n            to: this.socketId\n        });\n        if(status == \"fail\")\n        {\n            console.error(\"Pair Error\",status, message);\n            return false;\n        }\n        return true;\n    }\n    async getPairedList() : Promise<string>\n    {\n        let {value} = await this.mwse.EventPooling.request({\n            type:'pair/list',\n            to: this.socketId\n        });\n        return value;\n    }\n    async send(pack: any){\n        let isOpenedP2P = this.peerConnection && this.rtc?.active;\n        let isOpenedServer = this.mwse.server.connected;\n        let sendChannel : \"websocket\" | \"datachannel\";\n        if(isOpenedP2P && isOpenedServer)\n        {\n            if(this.primaryChannel == \"websocket\")\n            {\n                sendChannel = \"websocket\"\n            }else\n            {\n                sendChannel = \"datachannel\"\n            }\n        }else if(isOpenedServer){\n            sendChannel = \"websocket\"\n        }else{\n            sendChannel = \"datachannel\"\n        }\n\n        if(sendChannel == \"websocket\")\n        {\n            if(!this.mwse.writable){\n                return console.warn(\"Socket is not writable\");\n            }\n            await this.mwse.EventPooling.request({\n                type:'pack/to',\n                pack,\n                to: this.socketId\n            });\n        }else{\n            this.rtc?.sendMessage(pack)\n        }\n    }\n    async forget(){\n        this.mwse.peers.delete(this.socketId as string);\n        this.mwse.pairs.delete(this.socketId as string);\n    }\n}   ","import Peer from \"./Peer\";\n\nexport class PeerInfo\n{\n    public peer : Peer;\n    public info : {[key:string]: any} = {};\n    constructor(mwse : Peer){\n        this.peer = mwse;\n    };\n    public async fetch(name?:string)\n    {\n        if(name)\n        {\n            let rinfo = await this.peer.mwse.EventPooling.request(({\n                type: \"peer/info\",\n                peer: this.peer.socketId,\n                name\n            }));\n            if(rinfo.status == \"success\")\n            {\n                this.info = rinfo.info;\n            }else console.warn(rinfo.message);\n        }else{\n            let rinfo = await this.peer.mwse.EventPooling.request(({\n                type: \"peer/info\",\n                peer: this.peer.socketId\n            }));\n            if(rinfo.status == \"success\")\n            {\n                this.info = rinfo.info;\n            }else console.warn(rinfo.message);\n        };\n        return this.info;\n    }\n    public set(name: string, value: string | number)\n    {\n        this.info[name] = value;\n        this.peer.mwse.WSTSProtocol.SendOnly({\n            type: \"auth/info\",\n            name,\n            value\n        });\n    }\n    public get(name?:string)\n    {\n        return name ? this.info[name] : this.info;\n    }\n}","import P2PFileSender from \"./P2PFileSender\";\nimport Peer from \"./Peer\";\nimport \"webrtc-adapter\";\ninterface TransferStreamInfo\n{\n    senders : RTCRtpSender[];\n    recaivers : RTCRtpReceiver[];\n    stream:MediaStream | undefined;\n    id:string;\n    name:string;\n}\n\nexport default class WebRTC\n{\n    public static channels : Map<any,any> = new Map();\n    public static requireGC : boolean = false;\n    public id : any;\n    public active : boolean = false;\n    public connectionStatus : \"closed\" | \"connected\" | \"connecting\" | \"disconnected\" | \"failed\" | \"new\" = \"new\";\n    public iceStatus : \"checking\" | \"closed\" | \"completed\" | \"connected\" | \"disconnected\" | \"failed\" | \"new\" = \"new\";\n    public gatheringStatus : \"complete\" | \"gathering\" | \"new\" = \"new\";\n    public signalingStatus : \"\" | \"closed\" | \"have-local-offer\" | \"have-local-pranswer\" | \"have-remote-offer\" | \"have-remote-pranswer\" | \"stable\" = \"\"\n    public rtc! : RTCPeerConnection;\n    public recaivingStream : Map<string, TransferStreamInfo> = new Map();\n    public sendingStream : Map<string, TransferStreamInfo> = new Map();\n    public events : { [eventname:string]: Function[] } = {};\n    public channel : RTCDataChannel | undefined;\n\n    public static defaultRTCConfig : RTCConfiguration = {\n        iceCandidatePoolSize: 0,\n        iceTransportPolicy:\"all\",\n        rtcpMuxPolicy:\"require\",\n    };\n\n\n    public static defaultICEServers : RTCIceServer[] = [{\n        urls: \"stun:stun.l.google.com:19302\"\n    },{\n        urls: \"stun:stun1.l.google.com:19302\"\n    },{\n        urls: \"stun:stun2.l.google.com:19302\"\n    },{\n        urls: \"stun:stun3.l.google.com:19302\"\n    },{\n        urls: \"stun:stun4.l.google.com:19302\"\n    }];\n\n    public peer? : Peer;\n\n    public FileTransportChannel? : P2PFileSender;\n\n    constructor(\n        rtcConfig?: RTCConfiguration,\n        rtcServers?: RTCIceServer[]\n    )\n    {\n        let config : any = {};\n\n        if(rtcConfig)\n        {\n            Object.assign(\n                config,\n                WebRTC.defaultRTCConfig,\n                rtcConfig\n            )\n        }else{\n            Object.assign(\n                config,\n                WebRTC.defaultRTCConfig\n            )\n        }\n\n        config.iceServers = rtcServers || WebRTC.defaultICEServers;\n\n        this.rtc = new RTCPeerConnection(config as RTCConfiguration);\n        this.rtc.addEventListener(\"connectionstatechange\",()=>{\n            this.eventConnectionState();\n        })\n        this.rtc.addEventListener(\"icecandidate\",(...args)=>{\n            this.eventIcecandidate(...args);\n        })\n        this.rtc.addEventListener(\"iceconnectionstatechange\",()=>{\n            this.eventICEConnectionState();\n        })\n        this.rtc.addEventListener(\"icegatheringstatechange\",()=>{\n            this.eventICEGatherinState();\n        })\n        this.rtc.addEventListener(\"negotiationneeded\",()=>{\n            this.eventNogationNeeded();\n        })\n        this.rtc.addEventListener(\"signalingstatechange\",()=>{\n            this.eventSignalingState();\n        })\n        this.rtc.addEventListener(\"track\",(...args)=>{\n            this.eventTrack(...args);\n        })\n        this.rtc.addEventListener(\"datachannel\",(...args)=>{\n            this.eventDatachannel(...args);\n        })\n        this.on('input',async (data:{[key:string]:any})=>{\n            switch(data.type)\n            {\n                case \"icecandidate\":{\n                    await this.rtc.addIceCandidate(new RTCIceCandidate(data.value));\n                    break;\n                }\n                case \"offer\":{\n                    await this.rtc.setRemoteDescription(new RTCSessionDescription(data.value));\n                    let answer = await this.rtc.createAnswer({\n                        offerToReceiveAudio: true,\n                        offerToReceiveVideo: true\n                    })\n                    await this.rtc.setLocalDescription(answer);\n                    this.send({\n                        type: 'answer',\n                        value: answer\n                    });\n                    break;\n                }\n                case \"answer\":{\n                    await this.rtc.setRemoteDescription(new RTCSessionDescription(data.value))\n                    break;\n                }\n                case \"streamInfo\":{\n                    let {id,value} = data;\n                    let streamInfo = this.recaivingStream.get(id);\n                    if(!streamInfo)\n                    {\n                        this.recaivingStream.set(id,value as TransferStreamInfo);\n                    }else{\n                        this.recaivingStream.set(id,{\n                            ...streamInfo,\n                            ...value\n                        } as TransferStreamInfo);\n                    }\n                    this.send({\n                        type:'streamAccept',\n                        id\n                    })\n                    break;\n                }\n                case \"streamRemoved\":{\n                    let {id} = data;\n                    this.emit('stream:stopped', this.recaivingStream.get(id));\n                    this.sendingStream.delete(id);\n                    break;\n                }\n                case \"streamAccept\":{\n                    let {id} = data;\n                    let sendingStream = this.sendingStream.get(id) as TransferStreamInfo;\n                    let senders = [];\n                    if(sendingStream && sendingStream.stream)\n                    {\n                        for (const track of sendingStream.stream.getTracks()) {\n                            senders.push(this.rtc.addTrack(track, sendingStream.stream));\n                        };\n                        sendingStream.senders = senders;\n                    }\n                    break;\n                }\n                case \"message\":{\n                    this.emit('message', data.payload);\n                    break;\n                }\n            }\n        })\n    }\n    public addEventListener(event:string,callback: Function){\n        (this.events[event] || (this.events[event]=[])).push(callback);\n    };\n    public on(event:string,callback: Function){\n        this.addEventListener(event, callback)\n    };\n    public async dispatch(event:string,...args:any[]) : Promise<any> {\n        if(this.events[event])\n        {\n            for (const callback of this.events[event])\n            {\n                await callback(...args)\n            }\n        }\n    }\n    public async emit(event:string,...args:any[]) : Promise<any> {\n        await this.dispatch(event, ...args)\n    }\n    public connect()\n    {\n        if(!this.channel)\n        {\n            this.createDefaultDataChannel();\n        }\n    }\n    public sendMessage(data: any)\n    {\n        this.send({\n            type: 'message',\n            payload: data\n        });\n    }\n    public createDefaultDataChannel()\n    {\n        let dt = this.rtc.createDataChannel(':default:',{\n            ordered: true\n        });\n        dt.addEventListener(\"open\",()=>{\n            this.channel = dt;\n            WebRTC.channels.set(this.id, this);\n            this.active = true;\n        });\n        dt.addEventListener(\"message\",({data})=>{\n            let pack = JSON.parse(data);\n            this.emit('input', pack);\n        })\n        dt.addEventListener(\"close\",()=>{\n            this.channel = undefined;\n            this.active = false;\n        })\n    }\n    public destroy()\n    {\n        this.active = false;\n        if(this.channel)\n        {\n            this.channel.close();\n            this.channel = undefined;\n        }\n        if(this.rtc)\n        {\n            this.rtc.close();\n            //this.rtc = undefined;\n        };\n        this.emit('disconnected');\n        WebRTC.channels.delete(this.id);\n    }\n    public eventDatachannel(event: RTCDataChannelEvent)\n    {\n        if(event.channel.label == ':default:'){\n            WebRTC.channels.set(this.id, this);\n            this.channel = event.channel;\n            this.active = true;\n            event.channel.addEventListener(\"message\",({data})=>{\n                let pack = JSON.parse(data);\n                this.emit('input', pack);\n            })\n            event.channel.addEventListener(\"close\",()=>{\n                this.channel = undefined;\n                WebRTC.channels.delete(this.id);\n                WebRTC.requireGC = true;\n            })\n        }else{\n            this.emit('datachannel', event.channel);\n        }\n    }\n    public send(data:object)\n    {\n        if(this.channel?.readyState == \"open\")\n        {\n            this.channel.send(JSON.stringify(data));\n        }else{\n            this.emit('output', data);\n        }\n    }\n    public eventConnectionState()\n    {\n        this.connectionStatus = this.rtc.connectionState;\n        if(this.connectionStatus == 'connected')\n        {\n            if(this.active == false)\n            {\n                this.emit('connected');\n            }\n        };\n        if(this.connectionStatus == 'failed' || this.connectionStatus == \"disconnected\" || this.connectionStatus == \"closed\")\n        {\n            if(this.active)\n            {\n                this.destroy();\n            }\n        }\n    }\n    public eventIcecandidate(event: RTCPeerConnectionIceEvent)\n    {\n        if(event.candidate)\n        {\n            this.send({\n                type:'icecandidate',\n                value: event.candidate\n            })\n        }\n    }\n    public eventICEConnectionState()\n    {\n        this.iceStatus = this.rtc.iceConnectionState;\n    }\n    public eventICEGatherinState()\n    {\n        this.gatheringStatus = this.rtc.iceGatheringState;\n    }\n    public async eventNogationNeeded()\n    {\n        let offer = await this.rtc.createOffer({\n            iceRestart: true,\n            offerToReceiveAudio: true,\n            offerToReceiveVideo: true\n        });\n        await this.rtc.setLocalDescription(offer);\n        this.send({\n            type: 'offer',\n            value: offer\n        });\n    }\n    public eventSignalingState()\n    {\n        this.signalingStatus = this.rtc.signalingState;\n    }\n    public eventTrack(event: RTCTrackEvent)\n    {\n        let rtpRecaiver = event.receiver;\n        if(event.streams.length)\n        {\n            for (const stream of event.streams) {\n                let streamInfo =  this.recaivingStream.get(stream.id) as TransferStreamInfo;\n                (streamInfo.recaivers || (streamInfo.recaivers = [])).push(rtpRecaiver);\n                if((this.recaivingStream.get(stream.id) as {stream : MediaStream | undefined}).stream == null)\n                {\n                    streamInfo.stream = stream;\n                    this.emit('stream:added', this.recaivingStream.get(stream.id));\n                }else{\n                    streamInfo.stream = stream;\n                }\n            }\n        }\n    }\n    public sendStream(stream:MediaStream,name:string,info:{[key:string]:any}){\n        this.send({\n            type: 'streamInfo',\n            id: stream.id,\n            value: {\n                ...info,\n                name: name\n            }\n        });\n        this.sendingStream.set(stream.id,{\n            ...info,\n            id:stream.id,\n            name: name,\n            stream\n        } as TransferStreamInfo);\n    };\n    public stopStream(_stream:MediaStream){\n        if(this.connectionStatus != 'connected'){\n            return\n        }\n        if(this.sendingStream.has(_stream.id))\n        {\n            let {stream} = this.sendingStream.get(_stream.id) as {stream:MediaStream};\n    \n            for (const track of stream.getTracks()) {\n                for (const RTCPSender of this.rtc.getSenders()) {\n                    if(RTCPSender.track?.id == track.id)\n                    {\n                        this.rtc.removeTrack(RTCPSender);\n                    }\n                }\n            }\n        \n            this.send({\n                type: 'streamRemoved',\n                id: stream.id\n            });\n            this.sendingStream.delete(_stream.id)\n        }\n    }\n    public stopAllStreams()\n    {\n        if(this.connectionStatus != 'connected'){\n            return\n        }\n        for (const [, {stream}] of  this.sendingStream) {\n            if(stream == undefined)\n            {\n                continue;\n            }\n            for (const track of stream.getTracks()) {\n                for (const RTCPSender of this.rtc.getSenders()) {\n                    if(RTCPSender.track?.id == track.id)\n                    {\n                        this.rtc.removeTrack(RTCPSender);\n                    }\n                }\n            }\n            this.send({\n                type: 'streamRemoved',\n                id: stream.id\n            });\n        };\n    \n        this.sendingStream.clear();\n    }\n    public async SendFile(file:File, meta: object)\n    {\n        if(!this.peer)\n        {\n            throw new Error(\"Peer is not ready\");\n        }\n        this.FileTransportChannel = new P2PFileSender(this, this.peer);\n\n        await this.FileTransportChannel.SendFile(file, meta);\n    }\n    public async RecaiveFile(\n        chnlCount:number,\n        filemeta: {\n            name: string;\n            type: string;\n        },\n        totalSize: number\n    ) : Promise<File>\n    {\n        if(!this.peer)\n        {\n            throw new Error(\"Peer is not ready\");\n        }\n        this.FileTransportChannel = new P2PFileSender(this, this.peer);\n\n        return await new Promise(recaivedFile => {\n            if(this.FileTransportChannel)\n            {\n                this.FileTransportChannel.RecaiveFile(\n                    this.rtc,\n                    filemeta,\n                    chnlCount,\n                    totalSize,\n                    (file: File) => {\n                        recaivedFile(file)\n                    }\n                );\n            }\n        })\n    }\n}\n\nWebRTC.requireGC = false;\nsetInterval(()=>{\n    if(WebRTC.requireGC == false) return;\n    let img = document.createElement(\"img\");\n    img.src = window.URL.createObjectURL(new Blob([new ArrayBuffer(5e+7)]));\n    img.onerror = function() {\n        window.URL.revokeObjectURL(this.src);\n    };\n    WebRTC.requireGC = false;\n}, 3000)\n\ndeclare global {\n    interface MediaStream {\n        senders : RTCRtpSender[];\n    }\n}","import \"webrtc-adapter\";\nimport WebRTC from \"./WebRTC\";\nimport Peer from \"./Peer\";\n\n\n\nexport default class P2PFileSender\n{\n    public rtc : RTCPeerConnection;\n    public peer : Peer;\n    public webrtc : WebRTC;\n\n    public totalSize : number = 0;\n    public isReady : boolean = false;\n    public isStarted : boolean = false;\n    public isSending : boolean = false;\n    public isRecaiving : boolean = false;\n    public processedSize : number = 0;\n    public recaivedFile? : File;\n\n    public bufferSizePerChannel : number = 10e6;\n    public bufferSizePerPack : number = 10e3;\n    public safeBufferSizePerPack : number = 10e3 - 1;\n\n    public constructor(webrtc : WebRTC, peer : Peer)\n    {\n        this.webrtc = webrtc;\n        this.rtc = webrtc.rtc;\n        this.peer = peer;\n    }\n    public async RecaiveFile(\n        _rtc: RTCPeerConnection,\n        fileMetadata: {name:string, type:string},\n        channelCount: number,\n        _totalSize: number,\n        onEnded: Function\n    )\n    {\n        //let totals = {};\n       // let index = 0;\n        /*setChannelStatus(Array.from({length:channelCount}).map((e, index) => {\n            return {\n                name: `${index+1}. Kanal`,\n                current: 0,\n                currentTotal: 0,\n                total: 0\n            }\n        }));*/\n        let parts : Blob[] = [];\n        this.webrtc.on('datachannel',(datachannel:RTCDataChannel) => {\n            //let channelIndex = index++;\n            let current =  0;\n            let totalSize = 0;\n            let currentPart = 0;\n            let bufferAmount : ArrayBuffer[] = [];\n            datachannel.onmessage = function({data}){\n                if(totalSize == 0)\n                {\n                    let {\n                        size,\n                        part,\n                    } = JSON.parse(data);\n                    totalSize = size;\n                    currentPart = part;\n                    /*updateChannelStatus(channelIndex, n => {\n                        return {\n                            ...n,\n                            total: totalSize,\n                            current: 0\n                        }\n                    });*/\n                    datachannel.send(\"READY\");\n                }else{\n                    current += data.byteLength;\n                    bufferAmount.push(data);\n                    /*updateChannelStatus(channelIndex, n => {\n                        return {\n                            ...n,\n                            current: data.byteLength + n.current,\n                            currentTotal: data.byteLength + n.currentTotal,\n                        }\n                    });\n                    setProcessedSize(n => n + data.byteLength);*/\n                    if(current == totalSize)\n                    {\n                        parts[currentPart] = new Blob(bufferAmount);\n                        bufferAmount = []; \n                        //totals[datachannel.label] += totalSize;\n                        totalSize = 0;\n                        currentPart = 0;\n                        current = 0;\n                        datachannel.send(\"TOTAL_RECAIVED\");\n                    }\n                }\n            };\n            datachannel.onclose = () => {\n                channelCount--;\n                if(channelCount == 0)\n                {\n                    let file = new File(parts, fileMetadata.name, {\n                        type: fileMetadata.type,\n                        lastModified: +new Date\n                    });\n                    onEnded(file);\n                }\n            };\n        })\n    }\n    public async SendFile(\n        file: File,\n        metadata: object\n    )\n    {\n        this.isSending = true;\n        this.isStarted = true;\n\n\n        let buffer = await file.arrayBuffer();\n        let partCount = Math.ceil(buffer.byteLength / 10e6);\n        let channelCount = Math.min(5, partCount);\n\n        if(this.webrtc.iceStatus != \"connected\")\n        {\n            throw new Error(\"WebRTC is a not ready\")\n        }\n\n        this.peer.send({\n            type: 'file',\n            name: file.name,\n            size: file.size,\n            mimetype: file.type,\n            partCount,\n            channelCount,\n            metadata: metadata\n        });\n\n        let channels : RTCDataChannel[] = [];\n\n        for(let channelIndex = 0; channelIndex < channelCount; channelIndex++)\n        {\n            let channel = this.rtc.createDataChannel(\"\\\\?\\\\file_\" + channelIndex);\n            channel.binaryType = \"arraybuffer\";\n            await new Promise(ok => {\n                channel.onopen = () => {\n                    ok(void 0);\n                }\n            });\n            channels.push(channel);\n        };\n\n        let currentPart = 0;\n        let next = () => {\n            if(currentPart < partCount)\n            {\n                let bufferPart = buffer.slice(currentPart * 10e6, currentPart * 10e6 + 10e6)\n                currentPart++;\n                return [bufferPart, currentPart - 1];\n            };\n            return [false,0];\n        };\n        let spyChannelIndex = channels.length;\n        await new Promise(ok => {\n            for (let channelIndex = 0; channelIndex < channels.length; channelIndex++)\n            {\n                this.sendPartition(\n                    channels[channelIndex],\n                    next,\n                    channelIndex,\n                    () => {\n                        spyChannelIndex--;\n                        if(spyChannelIndex == 0)\n                        {\n                            this.isSending = false;\n                            this.isStarted = false;\n                            ok(undefined)\n                        }\n                    }\n                );\n            }\n        })\n    }\n    protected sendPartition(\n        channel: RTCDataChannel,\n        nextblob10mb: () => (number | ArrayBuffer)[] | (number | boolean)[],\n        _channelIndex: number,\n        onEnded: Function\n    )\n    {\n        let [currentBuffer,currentPartition] = nextblob10mb();\n        let currentPart = 0;\n        let next = () => {\n            if(!(currentBuffer instanceof ArrayBuffer))\n            {\n                return;\n            }\n            let bufferPart = currentBuffer.slice(currentPart * 16e3, currentPart * 16e3 + 16e3)\n            currentPart++;\n            if(bufferPart.byteLength != 0)\n            {\n                /*\n                updateChannelStatus(channelIndex, n => {\n                    return {\n                        ...n,\n                        current: bufferPart.byteLength + n.current,\n                        currentTotal: bufferPart.byteLength + n.currentTotal\n                    }\n                });\n                setProcessedSize(n => n + bufferPart.byteLength);\n                */\n                return bufferPart\n            }\n        };\n        channel.addEventListener(\"message\",({data}) => {\n            if(data == \"READY\")\n            {\n                this.sendFileChannel(channel, next)\n            }\n            if(data == \"TOTAL_RECAIVED\")\n            {\n                [currentBuffer,currentPartition] = nextblob10mb();\n                currentPart = 0;\n                if(currentBuffer != false)\n                {\n                    /*updateChannelStatus(channelIndex, n => {\n                        return {\n                            ...n,\n                            total: currentBuffer.byteLength,\n                            current: 0,\n                        }\n                    });*/\n                    channel.send(JSON.stringify({\n                        size: (currentBuffer as ArrayBuffer).byteLength,\n                        part: currentPartition\n                    }))\n                }else{\n                    channel.close();\n                    onEnded();\n                }\n            }\n        });\n        channel.send(JSON.stringify({\n            size: (currentBuffer as ArrayBuffer).byteLength,\n            part: currentPartition\n        }))\n    }\n    protected sendFileChannel(\n        channel: RTCDataChannel,\n        getNextBlob: () => ArrayBuffer | undefined\n    )\n    {\n        channel.addEventListener(\"bufferedamountlow\",function(){\n            let buffer = getNextBlob();\n            if(buffer)\n            {\n                channel.send(buffer);\n            }\n        });\n        channel.bufferedAmountLowThreshold = 16e3 - 1;\n        let c = getNextBlob();\n        c && channel.send(c);\n    }\n};","/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n\n'use strict';\n\nimport {adapterFactory} from './adapter_factory.js';\n\nconst adapter =\n  adapterFactory({window: typeof window === 'undefined' ? undefined : window});\nexport default adapter;\n","/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\nimport * as utils from './utils';\n\n// Browser shims.\nimport * as chromeShim from './chrome/chrome_shim';\nimport * as firefoxShim from './firefox/firefox_shim';\nimport * as safariShim from './safari/safari_shim';\nimport * as commonShim from './common_shim';\nimport * as sdp from 'sdp';\n\n// Shimming starts here.\nexport function adapterFactory({window} = {}, options = {\n  shimChrome: true,\n  shimFirefox: true,\n  shimSafari: true,\n}) {\n  // Utils.\n  const logging = utils.log;\n  const browserDetails = utils.detectBrowser(window);\n\n  const adapter = {\n    browserDetails,\n    commonShim,\n    extractVersion: utils.extractVersion,\n    disableLog: utils.disableLog,\n    disableWarnings: utils.disableWarnings,\n    // Expose sdp as a convenience. For production apps include directly.\n    sdp,\n  };\n\n  // Shim browser if found.\n  switch (browserDetails.browser) {\n    case 'chrome':\n      if (!chromeShim || !chromeShim.shimPeerConnection ||\n          !options.shimChrome) {\n        logging('Chrome shim is not included in this adapter release.');\n        return adapter;\n      }\n      if (browserDetails.version === null) {\n        logging('Chrome shim can not determine version, not shimming.');\n        return adapter;\n      }\n      logging('adapter.js shimming chrome.');\n      // Export to the adapter global object visible in the browser.\n      adapter.browserShim = chromeShim;\n\n      // Must be called before shimPeerConnection.\n      commonShim.shimAddIceCandidateNullOrEmpty(window, browserDetails);\n      commonShim.shimParameterlessSetLocalDescription(window, browserDetails);\n\n      chromeShim.shimGetUserMedia(window, browserDetails);\n      chromeShim.shimMediaStream(window, browserDetails);\n      chromeShim.shimPeerConnection(window, browserDetails);\n      chromeShim.shimOnTrack(window, browserDetails);\n      chromeShim.shimAddTrackRemoveTrack(window, browserDetails);\n      chromeShim.shimGetSendersWithDtmf(window, browserDetails);\n      chromeShim.shimGetStats(window, browserDetails);\n      chromeShim.shimSenderReceiverGetStats(window, browserDetails);\n      chromeShim.fixNegotiationNeeded(window, browserDetails);\n\n      commonShim.shimRTCIceCandidate(window, browserDetails);\n      commonShim.shimRTCIceCandidateRelayProtocol(window, browserDetails);\n      commonShim.shimConnectionState(window, browserDetails);\n      commonShim.shimMaxMessageSize(window, browserDetails);\n      commonShim.shimSendThrowTypeError(window, browserDetails);\n      commonShim.removeExtmapAllowMixed(window, browserDetails);\n      break;\n    case 'firefox':\n      if (!firefoxShim || !firefoxShim.shimPeerConnection ||\n          !options.shimFirefox) {\n        logging('Firefox shim is not included in this adapter release.');\n        return adapter;\n      }\n      logging('adapter.js shimming firefox.');\n      // Export to the adapter global object visible in the browser.\n      adapter.browserShim = firefoxShim;\n\n      // Must be called before shimPeerConnection.\n      commonShim.shimAddIceCandidateNullOrEmpty(window, browserDetails);\n      commonShim.shimParameterlessSetLocalDescription(window, browserDetails);\n\n      firefoxShim.shimGetUserMedia(window, browserDetails);\n      firefoxShim.shimPeerConnection(window, browserDetails);\n      firefoxShim.shimOnTrack(window, browserDetails);\n      firefoxShim.shimRemoveStream(window, browserDetails);\n      firefoxShim.shimSenderGetStats(window, browserDetails);\n      firefoxShim.shimReceiverGetStats(window, browserDetails);\n      firefoxShim.shimRTCDataChannel(window, browserDetails);\n      firefoxShim.shimAddTransceiver(window, browserDetails);\n      firefoxShim.shimGetParameters(window, browserDetails);\n      firefoxShim.shimCreateOffer(window, browserDetails);\n      firefoxShim.shimCreateAnswer(window, browserDetails);\n\n      commonShim.shimRTCIceCandidate(window, browserDetails);\n      commonShim.shimConnectionState(window, browserDetails);\n      commonShim.shimMaxMessageSize(window, browserDetails);\n      commonShim.shimSendThrowTypeError(window, browserDetails);\n      break;\n    case 'safari':\n      if (!safariShim || !options.shimSafari) {\n        logging('Safari shim is not included in this adapter release.');\n        return adapter;\n      }\n      logging('adapter.js shimming safari.');\n      // Export to the adapter global object visible in the browser.\n      adapter.browserShim = safariShim;\n\n      // Must be called before shimCallbackAPI.\n      commonShim.shimAddIceCandidateNullOrEmpty(window, browserDetails);\n      commonShim.shimParameterlessSetLocalDescription(window, browserDetails);\n\n      safariShim.shimRTCIceServerUrls(window, browserDetails);\n      safariShim.shimCreateOfferLegacy(window, browserDetails);\n      safariShim.shimCallbacksAPI(window, browserDetails);\n      safariShim.shimLocalStreamsAPI(window, browserDetails);\n      safariShim.shimRemoteStreamsAPI(window, browserDetails);\n      safariShim.shimTrackEventTransceiver(window, browserDetails);\n      safariShim.shimGetUserMedia(window, browserDetails);\n      safariShim.shimAudioContext(window, browserDetails);\n\n      commonShim.shimRTCIceCandidate(window, browserDetails);\n      commonShim.shimRTCIceCandidateRelayProtocol(window, browserDetails);\n      commonShim.shimMaxMessageSize(window, browserDetails);\n      commonShim.shimSendThrowTypeError(window, browserDetails);\n      commonShim.removeExtmapAllowMixed(window, browserDetails);\n      break;\n    default:\n      logging('Unsupported browser!');\n      break;\n  }\n\n  return adapter;\n}\n","/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nlet logDisabled_ = true;\nlet deprecationWarnings_ = true;\n\n/**\n * Extract browser version out of the provided user agent string.\n *\n * @param {!string} uastring userAgent string.\n * @param {!string} expr Regular expression used as match criteria.\n * @param {!number} pos position in the version string to be returned.\n * @return {!number} browser version.\n */\nexport function extractVersion(uastring, expr, pos) {\n  const match = uastring.match(expr);\n  return match && match.length >= pos && parseInt(match[pos], 10);\n}\n\n// Wraps the peerconnection event eventNameToWrap in a function\n// which returns the modified event object (or false to prevent\n// the event).\nexport function wrapPeerConnectionEvent(window, eventNameToWrap, wrapper) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n  const proto = window.RTCPeerConnection.prototype;\n  const nativeAddEventListener = proto.addEventListener;\n  proto.addEventListener = function(nativeEventName, cb) {\n    if (nativeEventName !== eventNameToWrap) {\n      return nativeAddEventListener.apply(this, arguments);\n    }\n    const wrappedCallback = (e) => {\n      const modifiedEvent = wrapper(e);\n      if (modifiedEvent) {\n        if (cb.handleEvent) {\n          cb.handleEvent(modifiedEvent);\n        } else {\n          cb(modifiedEvent);\n        }\n      }\n    };\n    this._eventMap = this._eventMap || {};\n    if (!this._eventMap[eventNameToWrap]) {\n      this._eventMap[eventNameToWrap] = new Map();\n    }\n    this._eventMap[eventNameToWrap].set(cb, wrappedCallback);\n    return nativeAddEventListener.apply(this, [nativeEventName,\n      wrappedCallback]);\n  };\n\n  const nativeRemoveEventListener = proto.removeEventListener;\n  proto.removeEventListener = function(nativeEventName, cb) {\n    if (nativeEventName !== eventNameToWrap || !this._eventMap\n        || !this._eventMap[eventNameToWrap]) {\n      return nativeRemoveEventListener.apply(this, arguments);\n    }\n    if (!this._eventMap[eventNameToWrap].has(cb)) {\n      return nativeRemoveEventListener.apply(this, arguments);\n    }\n    const unwrappedCb = this._eventMap[eventNameToWrap].get(cb);\n    this._eventMap[eventNameToWrap].delete(cb);\n    if (this._eventMap[eventNameToWrap].size === 0) {\n      delete this._eventMap[eventNameToWrap];\n    }\n    if (Object.keys(this._eventMap).length === 0) {\n      delete this._eventMap;\n    }\n    return nativeRemoveEventListener.apply(this, [nativeEventName,\n      unwrappedCb]);\n  };\n\n  Object.defineProperty(proto, 'on' + eventNameToWrap, {\n    get() {\n      return this['_on' + eventNameToWrap];\n    },\n    set(cb) {\n      if (this['_on' + eventNameToWrap]) {\n        this.removeEventListener(eventNameToWrap,\n          this['_on' + eventNameToWrap]);\n        delete this['_on' + eventNameToWrap];\n      }\n      if (cb) {\n        this.addEventListener(eventNameToWrap,\n          this['_on' + eventNameToWrap] = cb);\n      }\n    },\n    enumerable: true,\n    configurable: true\n  });\n}\n\nexport function disableLog(bool) {\n  if (typeof bool !== 'boolean') {\n    return new Error('Argument type: ' + typeof bool +\n        '. Please use a boolean.');\n  }\n  logDisabled_ = bool;\n  return (bool) ? 'adapter.js logging disabled' :\n    'adapter.js logging enabled';\n}\n\n/**\n * Disable or enable deprecation warnings\n * @param {!boolean} bool set to true to disable warnings.\n */\nexport function disableWarnings(bool) {\n  if (typeof bool !== 'boolean') {\n    return new Error('Argument type: ' + typeof bool +\n        '. Please use a boolean.');\n  }\n  deprecationWarnings_ = !bool;\n  return 'adapter.js deprecation warnings ' + (bool ? 'disabled' : 'enabled');\n}\n\nexport function log() {\n  if (typeof window === 'object') {\n    if (logDisabled_) {\n      return;\n    }\n    if (typeof console !== 'undefined' && typeof console.log === 'function') {\n      console.log.apply(console, arguments);\n    }\n  }\n}\n\n/**\n * Shows a deprecation warning suggesting the modern and spec-compatible API.\n */\nexport function deprecated(oldMethod, newMethod) {\n  if (!deprecationWarnings_) {\n    return;\n  }\n  console.warn(oldMethod + ' is deprecated, please use ' + newMethod +\n      ' instead.');\n}\n\n/**\n * Browser detector.\n *\n * @return {object} result containing browser and version\n *     properties.\n */\nexport function detectBrowser(window) {\n  // Returned result object.\n  const result = {browser: null, version: null};\n\n  // Fail early if it's not a browser\n  if (typeof window === 'undefined' || !window.navigator ||\n      !window.navigator.userAgent) {\n    result.browser = 'Not a browser.';\n    return result;\n  }\n\n  const {navigator} = window;\n\n  if (navigator.mozGetUserMedia) { // Firefox.\n    result.browser = 'firefox';\n    result.version = extractVersion(navigator.userAgent,\n      /Firefox\\/(\\d+)\\./, 1);\n  } else if (navigator.webkitGetUserMedia ||\n      (window.isSecureContext === false && window.webkitRTCPeerConnection)) {\n    // Chrome, Chromium, Webview, Opera.\n    // Version matches Chrome/WebRTC version.\n    // Chrome 74 removed webkitGetUserMedia on http as well so we need the\n    // more complicated fallback to webkitRTCPeerConnection.\n    result.browser = 'chrome';\n    result.version = extractVersion(navigator.userAgent,\n      /Chrom(e|ium)\\/(\\d+)\\./, 2);\n  } else if (window.RTCPeerConnection &&\n      navigator.userAgent.match(/AppleWebKit\\/(\\d+)\\./)) { // Safari.\n    result.browser = 'safari';\n    result.version = extractVersion(navigator.userAgent,\n      /AppleWebKit\\/(\\d+)\\./, 1);\n    result.supportsUnifiedPlan = window.RTCRtpTransceiver &&\n        'currentDirection' in window.RTCRtpTransceiver.prototype;\n  } else { // Default fallthrough: not supported.\n    result.browser = 'Not a supported browser.';\n    return result;\n  }\n\n  return result;\n}\n\n/**\n * Checks if something is an object.\n *\n * @param {*} val The something you want to check.\n * @return true if val is an object, false otherwise.\n */\nfunction isObject(val) {\n  return Object.prototype.toString.call(val) === '[object Object]';\n}\n\n/**\n * Remove all empty objects and undefined values\n * from a nested object -- an enhanced and vanilla version\n * of Lodash's `compact`.\n */\nexport function compactObject(data) {\n  if (!isObject(data)) {\n    return data;\n  }\n\n  return Object.keys(data).reduce(function(accumulator, key) {\n    const isObj = isObject(data[key]);\n    const value = isObj ? compactObject(data[key]) : data[key];\n    const isEmptyObject = isObj && !Object.keys(value).length;\n    if (value === undefined || isEmptyObject) {\n      return accumulator;\n    }\n    return Object.assign(accumulator, {[key]: value});\n  }, {});\n}\n\n/* iterates the stats graph recursively. */\nexport function walkStats(stats, base, resultSet) {\n  if (!base || resultSet.has(base.id)) {\n    return;\n  }\n  resultSet.set(base.id, base);\n  Object.keys(base).forEach(name => {\n    if (name.endsWith('Id')) {\n      walkStats(stats, stats.get(base[name]), resultSet);\n    } else if (name.endsWith('Ids')) {\n      base[name].forEach(id => {\n        walkStats(stats, stats.get(id), resultSet);\n      });\n    }\n  });\n}\n\n/* filter getStats for a sender/receiver track. */\nexport function filterStats(result, track, outbound) {\n  const streamStatsType = outbound ? 'outbound-rtp' : 'inbound-rtp';\n  const filteredResult = new Map();\n  if (track === null) {\n    return filteredResult;\n  }\n  const trackStats = [];\n  result.forEach(value => {\n    if (value.type === 'track' &&\n        value.trackIdentifier === track.id) {\n      trackStats.push(value);\n    }\n  });\n  trackStats.forEach(trackStat => {\n    result.forEach(stats => {\n      if (stats.type === streamStatsType && stats.trackId === trackStat.id) {\n        walkStats(result, stats, filteredResult);\n      }\n    });\n  });\n  return filteredResult;\n}\n\n","/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\nimport * as utils from '../utils.js';\n\nexport {shimGetUserMedia} from './getusermedia';\nexport {shimGetDisplayMedia} from './getdisplaymedia';\n\nexport function shimMediaStream(window) {\n  window.MediaStream = window.MediaStream || window.webkitMediaStream;\n}\n\nexport function shimOnTrack(window) {\n  if (typeof window === 'object' && window.RTCPeerConnection && !('ontrack' in\n      window.RTCPeerConnection.prototype)) {\n    Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {\n      get() {\n        return this._ontrack;\n      },\n      set(f) {\n        if (this._ontrack) {\n          this.removeEventListener('track', this._ontrack);\n        }\n        this.addEventListener('track', this._ontrack = f);\n      },\n      enumerable: true,\n      configurable: true\n    });\n    const origSetRemoteDescription =\n        window.RTCPeerConnection.prototype.setRemoteDescription;\n    window.RTCPeerConnection.prototype.setRemoteDescription =\n      function setRemoteDescription() {\n        if (!this._ontrackpoly) {\n          this._ontrackpoly = (e) => {\n            // onaddstream does not fire when a track is added to an existing\n            // stream. But stream.onaddtrack is implemented so we use that.\n            e.stream.addEventListener('addtrack', te => {\n              let receiver;\n              if (window.RTCPeerConnection.prototype.getReceivers) {\n                receiver = this.getReceivers()\n                  .find(r => r.track && r.track.id === te.track.id);\n              } else {\n                receiver = {track: te.track};\n              }\n\n              const event = new Event('track');\n              event.track = te.track;\n              event.receiver = receiver;\n              event.transceiver = {receiver};\n              event.streams = [e.stream];\n              this.dispatchEvent(event);\n            });\n            e.stream.getTracks().forEach(track => {\n              let receiver;\n              if (window.RTCPeerConnection.prototype.getReceivers) {\n                receiver = this.getReceivers()\n                  .find(r => r.track && r.track.id === track.id);\n              } else {\n                receiver = {track};\n              }\n              const event = new Event('track');\n              event.track = track;\n              event.receiver = receiver;\n              event.transceiver = {receiver};\n              event.streams = [e.stream];\n              this.dispatchEvent(event);\n            });\n          };\n          this.addEventListener('addstream', this._ontrackpoly);\n        }\n        return origSetRemoteDescription.apply(this, arguments);\n      };\n  } else {\n    // even if RTCRtpTransceiver is in window, it is only used and\n    // emitted in unified-plan. Unfortunately this means we need\n    // to unconditionally wrap the event.\n    utils.wrapPeerConnectionEvent(window, 'track', e => {\n      if (!e.transceiver) {\n        Object.defineProperty(e, 'transceiver',\n          {value: {receiver: e.receiver}});\n      }\n      return e;\n    });\n  }\n}\n\nexport function shimGetSendersWithDtmf(window) {\n  // Overrides addTrack/removeTrack, depends on shimAddTrackRemoveTrack.\n  if (typeof window === 'object' && window.RTCPeerConnection &&\n      !('getSenders' in window.RTCPeerConnection.prototype) &&\n      'createDTMFSender' in window.RTCPeerConnection.prototype) {\n    const shimSenderWithDtmf = function(pc, track) {\n      return {\n        track,\n        get dtmf() {\n          if (this._dtmf === undefined) {\n            if (track.kind === 'audio') {\n              this._dtmf = pc.createDTMFSender(track);\n            } else {\n              this._dtmf = null;\n            }\n          }\n          return this._dtmf;\n        },\n        _pc: pc\n      };\n    };\n\n    // augment addTrack when getSenders is not available.\n    if (!window.RTCPeerConnection.prototype.getSenders) {\n      window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n        this._senders = this._senders || [];\n        return this._senders.slice(); // return a copy of the internal state.\n      };\n      const origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n      window.RTCPeerConnection.prototype.addTrack =\n        function addTrack(track, stream) {\n          let sender = origAddTrack.apply(this, arguments);\n          if (!sender) {\n            sender = shimSenderWithDtmf(this, track);\n            this._senders.push(sender);\n          }\n          return sender;\n        };\n\n      const origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;\n      window.RTCPeerConnection.prototype.removeTrack =\n        function removeTrack(sender) {\n          origRemoveTrack.apply(this, arguments);\n          const idx = this._senders.indexOf(sender);\n          if (idx !== -1) {\n            this._senders.splice(idx, 1);\n          }\n        };\n    }\n    const origAddStream = window.RTCPeerConnection.prototype.addStream;\n    window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n      this._senders = this._senders || [];\n      origAddStream.apply(this, [stream]);\n      stream.getTracks().forEach(track => {\n        this._senders.push(shimSenderWithDtmf(this, track));\n      });\n    };\n\n    const origRemoveStream = window.RTCPeerConnection.prototype.removeStream;\n    window.RTCPeerConnection.prototype.removeStream =\n      function removeStream(stream) {\n        this._senders = this._senders || [];\n        origRemoveStream.apply(this, [stream]);\n\n        stream.getTracks().forEach(track => {\n          const sender = this._senders.find(s => s.track === track);\n          if (sender) { // remove sender\n            this._senders.splice(this._senders.indexOf(sender), 1);\n          }\n        });\n      };\n  } else if (typeof window === 'object' && window.RTCPeerConnection &&\n             'getSenders' in window.RTCPeerConnection.prototype &&\n             'createDTMFSender' in window.RTCPeerConnection.prototype &&\n             window.RTCRtpSender &&\n             !('dtmf' in window.RTCRtpSender.prototype)) {\n    const origGetSenders = window.RTCPeerConnection.prototype.getSenders;\n    window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n      const senders = origGetSenders.apply(this, []);\n      senders.forEach(sender => sender._pc = this);\n      return senders;\n    };\n\n    Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {\n      get() {\n        if (this._dtmf === undefined) {\n          if (this.track.kind === 'audio') {\n            this._dtmf = this._pc.createDTMFSender(this.track);\n          } else {\n            this._dtmf = null;\n          }\n        }\n        return this._dtmf;\n      }\n    });\n  }\n}\n\nexport function shimGetStats(window) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n\n  const origGetStats = window.RTCPeerConnection.prototype.getStats;\n  window.RTCPeerConnection.prototype.getStats = function getStats() {\n    const [selector, onSucc, onErr] = arguments;\n\n    // If selector is a function then we are in the old style stats so just\n    // pass back the original getStats format to avoid breaking old users.\n    if (arguments.length > 0 && typeof selector === 'function') {\n      return origGetStats.apply(this, arguments);\n    }\n\n    // When spec-style getStats is supported, return those when called with\n    // either no arguments or the selector argument is null.\n    if (origGetStats.length === 0 && (arguments.length === 0 ||\n        typeof selector !== 'function')) {\n      return origGetStats.apply(this, []);\n    }\n\n    const fixChromeStats_ = function(response) {\n      const standardReport = {};\n      const reports = response.result();\n      reports.forEach(report => {\n        const standardStats = {\n          id: report.id,\n          timestamp: report.timestamp,\n          type: {\n            localcandidate: 'local-candidate',\n            remotecandidate: 'remote-candidate'\n          }[report.type] || report.type\n        };\n        report.names().forEach(name => {\n          standardStats[name] = report.stat(name);\n        });\n        standardReport[standardStats.id] = standardStats;\n      });\n\n      return standardReport;\n    };\n\n    // shim getStats with maplike support\n    const makeMapStats = function(stats) {\n      return new Map(Object.keys(stats).map(key => [key, stats[key]]));\n    };\n\n    if (arguments.length >= 2) {\n      const successCallbackWrapper_ = function(response) {\n        onSucc(makeMapStats(fixChromeStats_(response)));\n      };\n\n      return origGetStats.apply(this, [successCallbackWrapper_,\n        selector]);\n    }\n\n    // promise-support\n    return new Promise((resolve, reject) => {\n      origGetStats.apply(this, [\n        function(response) {\n          resolve(makeMapStats(fixChromeStats_(response)));\n        }, reject]);\n    }).then(onSucc, onErr);\n  };\n}\n\nexport function shimSenderReceiverGetStats(window) {\n  if (!(typeof window === 'object' && window.RTCPeerConnection &&\n      window.RTCRtpSender && window.RTCRtpReceiver)) {\n    return;\n  }\n\n  // shim sender stats.\n  if (!('getStats' in window.RTCRtpSender.prototype)) {\n    const origGetSenders = window.RTCPeerConnection.prototype.getSenders;\n    if (origGetSenders) {\n      window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n        const senders = origGetSenders.apply(this, []);\n        senders.forEach(sender => sender._pc = this);\n        return senders;\n      };\n    }\n\n    const origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n    if (origAddTrack) {\n      window.RTCPeerConnection.prototype.addTrack = function addTrack() {\n        const sender = origAddTrack.apply(this, arguments);\n        sender._pc = this;\n        return sender;\n      };\n    }\n    window.RTCRtpSender.prototype.getStats = function getStats() {\n      const sender = this;\n      return this._pc.getStats().then(result =>\n        /* Note: this will include stats of all senders that\n         *   send a track with the same id as sender.track as\n         *   it is not possible to identify the RTCRtpSender.\n         */\n        utils.filterStats(result, sender.track, true));\n    };\n  }\n\n  // shim receiver stats.\n  if (!('getStats' in window.RTCRtpReceiver.prototype)) {\n    const origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;\n    if (origGetReceivers) {\n      window.RTCPeerConnection.prototype.getReceivers =\n        function getReceivers() {\n          const receivers = origGetReceivers.apply(this, []);\n          receivers.forEach(receiver => receiver._pc = this);\n          return receivers;\n        };\n    }\n    utils.wrapPeerConnectionEvent(window, 'track', e => {\n      e.receiver._pc = e.srcElement;\n      return e;\n    });\n    window.RTCRtpReceiver.prototype.getStats = function getStats() {\n      const receiver = this;\n      return this._pc.getStats().then(result =>\n        utils.filterStats(result, receiver.track, false));\n    };\n  }\n\n  if (!('getStats' in window.RTCRtpSender.prototype &&\n      'getStats' in window.RTCRtpReceiver.prototype)) {\n    return;\n  }\n\n  // shim RTCPeerConnection.getStats(track).\n  const origGetStats = window.RTCPeerConnection.prototype.getStats;\n  window.RTCPeerConnection.prototype.getStats = function getStats() {\n    if (arguments.length > 0 &&\n        arguments[0] instanceof window.MediaStreamTrack) {\n      const track = arguments[0];\n      let sender;\n      let receiver;\n      let err;\n      this.getSenders().forEach(s => {\n        if (s.track === track) {\n          if (sender) {\n            err = true;\n          } else {\n            sender = s;\n          }\n        }\n      });\n      this.getReceivers().forEach(r => {\n        if (r.track === track) {\n          if (receiver) {\n            err = true;\n          } else {\n            receiver = r;\n          }\n        }\n        return r.track === track;\n      });\n      if (err || (sender && receiver)) {\n        return Promise.reject(new DOMException(\n          'There are more than one sender or receiver for the track.',\n          'InvalidAccessError'));\n      } else if (sender) {\n        return sender.getStats();\n      } else if (receiver) {\n        return receiver.getStats();\n      }\n      return Promise.reject(new DOMException(\n        'There is no sender or receiver for the track.',\n        'InvalidAccessError'));\n    }\n    return origGetStats.apply(this, arguments);\n  };\n}\n\nexport function shimAddTrackRemoveTrackWithNative(window) {\n  // shim addTrack/removeTrack with native variants in order to make\n  // the interactions with legacy getLocalStreams behave as in other browsers.\n  // Keeps a mapping stream.id => [stream, rtpsenders...]\n  window.RTCPeerConnection.prototype.getLocalStreams =\n    function getLocalStreams() {\n      this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n      return Object.keys(this._shimmedLocalStreams)\n        .map(streamId => this._shimmedLocalStreams[streamId][0]);\n    };\n\n  const origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n  window.RTCPeerConnection.prototype.addTrack =\n    function addTrack(track, stream) {\n      if (!stream) {\n        return origAddTrack.apply(this, arguments);\n      }\n      this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n\n      const sender = origAddTrack.apply(this, arguments);\n      if (!this._shimmedLocalStreams[stream.id]) {\n        this._shimmedLocalStreams[stream.id] = [stream, sender];\n      } else if (this._shimmedLocalStreams[stream.id].indexOf(sender) === -1) {\n        this._shimmedLocalStreams[stream.id].push(sender);\n      }\n      return sender;\n    };\n\n  const origAddStream = window.RTCPeerConnection.prototype.addStream;\n  window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n    this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n\n    stream.getTracks().forEach(track => {\n      const alreadyExists = this.getSenders().find(s => s.track === track);\n      if (alreadyExists) {\n        throw new DOMException('Track already exists.',\n          'InvalidAccessError');\n      }\n    });\n    const existingSenders = this.getSenders();\n    origAddStream.apply(this, arguments);\n    const newSenders = this.getSenders()\n      .filter(newSender => existingSenders.indexOf(newSender) === -1);\n    this._shimmedLocalStreams[stream.id] = [stream].concat(newSenders);\n  };\n\n  const origRemoveStream = window.RTCPeerConnection.prototype.removeStream;\n  window.RTCPeerConnection.prototype.removeStream =\n    function removeStream(stream) {\n      this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n      delete this._shimmedLocalStreams[stream.id];\n      return origRemoveStream.apply(this, arguments);\n    };\n\n  const origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;\n  window.RTCPeerConnection.prototype.removeTrack =\n    function removeTrack(sender) {\n      this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n      if (sender) {\n        Object.keys(this._shimmedLocalStreams).forEach(streamId => {\n          const idx = this._shimmedLocalStreams[streamId].indexOf(sender);\n          if (idx !== -1) {\n            this._shimmedLocalStreams[streamId].splice(idx, 1);\n          }\n          if (this._shimmedLocalStreams[streamId].length === 1) {\n            delete this._shimmedLocalStreams[streamId];\n          }\n        });\n      }\n      return origRemoveTrack.apply(this, arguments);\n    };\n}\n\nexport function shimAddTrackRemoveTrack(window, browserDetails) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n  // shim addTrack and removeTrack.\n  if (window.RTCPeerConnection.prototype.addTrack &&\n      browserDetails.version >= 65) {\n    return shimAddTrackRemoveTrackWithNative(window);\n  }\n\n  // also shim pc.getLocalStreams when addTrack is shimmed\n  // to return the original streams.\n  const origGetLocalStreams = window.RTCPeerConnection.prototype\n    .getLocalStreams;\n  window.RTCPeerConnection.prototype.getLocalStreams =\n    function getLocalStreams() {\n      const nativeStreams = origGetLocalStreams.apply(this);\n      this._reverseStreams = this._reverseStreams || {};\n      return nativeStreams.map(stream => this._reverseStreams[stream.id]);\n    };\n\n  const origAddStream = window.RTCPeerConnection.prototype.addStream;\n  window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n    this._streams = this._streams || {};\n    this._reverseStreams = this._reverseStreams || {};\n\n    stream.getTracks().forEach(track => {\n      const alreadyExists = this.getSenders().find(s => s.track === track);\n      if (alreadyExists) {\n        throw new DOMException('Track already exists.',\n          'InvalidAccessError');\n      }\n    });\n    // Add identity mapping for consistency with addTrack.\n    // Unless this is being used with a stream from addTrack.\n    if (!this._reverseStreams[stream.id]) {\n      const newStream = new window.MediaStream(stream.getTracks());\n      this._streams[stream.id] = newStream;\n      this._reverseStreams[newStream.id] = stream;\n      stream = newStream;\n    }\n    origAddStream.apply(this, [stream]);\n  };\n\n  const origRemoveStream = window.RTCPeerConnection.prototype.removeStream;\n  window.RTCPeerConnection.prototype.removeStream =\n    function removeStream(stream) {\n      this._streams = this._streams || {};\n      this._reverseStreams = this._reverseStreams || {};\n\n      origRemoveStream.apply(this, [(this._streams[stream.id] || stream)]);\n      delete this._reverseStreams[(this._streams[stream.id] ?\n        this._streams[stream.id].id : stream.id)];\n      delete this._streams[stream.id];\n    };\n\n  window.RTCPeerConnection.prototype.addTrack =\n    function addTrack(track, stream) {\n      if (this.signalingState === 'closed') {\n        throw new DOMException(\n          'The RTCPeerConnection\\'s signalingState is \\'closed\\'.',\n          'InvalidStateError');\n      }\n      const streams = [].slice.call(arguments, 1);\n      if (streams.length !== 1 ||\n          !streams[0].getTracks().find(t => t === track)) {\n        // this is not fully correct but all we can manage without\n        // [[associated MediaStreams]] internal slot.\n        throw new DOMException(\n          'The adapter.js addTrack polyfill only supports a single ' +\n          ' stream which is associated with the specified track.',\n          'NotSupportedError');\n      }\n\n      const alreadyExists = this.getSenders().find(s => s.track === track);\n      if (alreadyExists) {\n        throw new DOMException('Track already exists.',\n          'InvalidAccessError');\n      }\n\n      this._streams = this._streams || {};\n      this._reverseStreams = this._reverseStreams || {};\n      const oldStream = this._streams[stream.id];\n      if (oldStream) {\n        // this is using odd Chrome behaviour, use with caution:\n        // https://bugs.chromium.org/p/webrtc/issues/detail?id=7815\n        // Note: we rely on the high-level addTrack/dtmf shim to\n        // create the sender with a dtmf sender.\n        oldStream.addTrack(track);\n\n        // Trigger ONN async.\n        Promise.resolve().then(() => {\n          this.dispatchEvent(new Event('negotiationneeded'));\n        });\n      } else {\n        const newStream = new window.MediaStream([track]);\n        this._streams[stream.id] = newStream;\n        this._reverseStreams[newStream.id] = stream;\n        this.addStream(newStream);\n      }\n      return this.getSenders().find(s => s.track === track);\n    };\n\n  // replace the internal stream id with the external one and\n  // vice versa.\n  function replaceInternalStreamId(pc, description) {\n    let sdp = description.sdp;\n    Object.keys(pc._reverseStreams || []).forEach(internalId => {\n      const externalStream = pc._reverseStreams[internalId];\n      const internalStream = pc._streams[externalStream.id];\n      sdp = sdp.replace(new RegExp(internalStream.id, 'g'),\n        externalStream.id);\n    });\n    return new RTCSessionDescription({\n      type: description.type,\n      sdp\n    });\n  }\n  function replaceExternalStreamId(pc, description) {\n    let sdp = description.sdp;\n    Object.keys(pc._reverseStreams || []).forEach(internalId => {\n      const externalStream = pc._reverseStreams[internalId];\n      const internalStream = pc._streams[externalStream.id];\n      sdp = sdp.replace(new RegExp(externalStream.id, 'g'),\n        internalStream.id);\n    });\n    return new RTCSessionDescription({\n      type: description.type,\n      sdp\n    });\n  }\n  ['createOffer', 'createAnswer'].forEach(function(method) {\n    const nativeMethod = window.RTCPeerConnection.prototype[method];\n    const methodObj = {[method]() {\n      const args = arguments;\n      const isLegacyCall = arguments.length &&\n          typeof arguments[0] === 'function';\n      if (isLegacyCall) {\n        return nativeMethod.apply(this, [\n          (description) => {\n            const desc = replaceInternalStreamId(this, description);\n            args[0].apply(null, [desc]);\n          },\n          (err) => {\n            if (args[1]) {\n              args[1].apply(null, err);\n            }\n          }, arguments[2]\n        ]);\n      }\n      return nativeMethod.apply(this, arguments)\n        .then(description => replaceInternalStreamId(this, description));\n    }};\n    window.RTCPeerConnection.prototype[method] = methodObj[method];\n  });\n\n  const origSetLocalDescription =\n      window.RTCPeerConnection.prototype.setLocalDescription;\n  window.RTCPeerConnection.prototype.setLocalDescription =\n    function setLocalDescription() {\n      if (!arguments.length || !arguments[0].type) {\n        return origSetLocalDescription.apply(this, arguments);\n      }\n      arguments[0] = replaceExternalStreamId(this, arguments[0]);\n      return origSetLocalDescription.apply(this, arguments);\n    };\n\n  // TODO: mangle getStats: https://w3c.github.io/webrtc-stats/#dom-rtcmediastreamstats-streamidentifier\n\n  const origLocalDescription = Object.getOwnPropertyDescriptor(\n    window.RTCPeerConnection.prototype, 'localDescription');\n  Object.defineProperty(window.RTCPeerConnection.prototype,\n    'localDescription', {\n      get() {\n        const description = origLocalDescription.get.apply(this);\n        if (description.type === '') {\n          return description;\n        }\n        return replaceInternalStreamId(this, description);\n      }\n    });\n\n  window.RTCPeerConnection.prototype.removeTrack =\n    function removeTrack(sender) {\n      if (this.signalingState === 'closed') {\n        throw new DOMException(\n          'The RTCPeerConnection\\'s signalingState is \\'closed\\'.',\n          'InvalidStateError');\n      }\n      // We can not yet check for sender instanceof RTCRtpSender\n      // since we shim RTPSender. So we check if sender._pc is set.\n      if (!sender._pc) {\n        throw new DOMException('Argument 1 of RTCPeerConnection.removeTrack ' +\n            'does not implement interface RTCRtpSender.', 'TypeError');\n      }\n      const isLocal = sender._pc === this;\n      if (!isLocal) {\n        throw new DOMException('Sender was not created by this connection.',\n          'InvalidAccessError');\n      }\n\n      // Search for the native stream the senders track belongs to.\n      this._streams = this._streams || {};\n      let stream;\n      Object.keys(this._streams).forEach(streamid => {\n        const hasTrack = this._streams[streamid].getTracks()\n          .find(track => sender.track === track);\n        if (hasTrack) {\n          stream = this._streams[streamid];\n        }\n      });\n\n      if (stream) {\n        if (stream.getTracks().length === 1) {\n          // if this is the last track of the stream, remove the stream. This\n          // takes care of any shimmed _senders.\n          this.removeStream(this._reverseStreams[stream.id]);\n        } else {\n          // relying on the same odd chrome behaviour as above.\n          stream.removeTrack(sender.track);\n        }\n        this.dispatchEvent(new Event('negotiationneeded'));\n      }\n    };\n}\n\nexport function shimPeerConnection(window, browserDetails) {\n  if (!window.RTCPeerConnection && window.webkitRTCPeerConnection) {\n    // very basic support for old versions.\n    window.RTCPeerConnection = window.webkitRTCPeerConnection;\n  }\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n\n  // shim implicit creation of RTCSessionDescription/RTCIceCandidate\n  if (browserDetails.version < 53) {\n    ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']\n      .forEach(function(method) {\n        const nativeMethod = window.RTCPeerConnection.prototype[method];\n        const methodObj = {[method]() {\n          arguments[0] = new ((method === 'addIceCandidate') ?\n            window.RTCIceCandidate :\n            window.RTCSessionDescription)(arguments[0]);\n          return nativeMethod.apply(this, arguments);\n        }};\n        window.RTCPeerConnection.prototype[method] = methodObj[method];\n      });\n  }\n}\n\n// Attempt to fix ONN in plan-b mode.\nexport function fixNegotiationNeeded(window, browserDetails) {\n  utils.wrapPeerConnectionEvent(window, 'negotiationneeded', e => {\n    const pc = e.target;\n    if (browserDetails.version < 72 || (pc.getConfiguration &&\n        pc.getConfiguration().sdpSemantics === 'plan-b')) {\n      if (pc.signalingState !== 'stable') {\n        return;\n      }\n    }\n    return e;\n  });\n}\n","/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\nimport * as utils from '../utils.js';\nconst logging = utils.log;\n\nexport function shimGetUserMedia(window, browserDetails) {\n  const navigator = window && window.navigator;\n\n  if (!navigator.mediaDevices) {\n    return;\n  }\n\n  const constraintsToChrome_ = function(c) {\n    if (typeof c !== 'object' || c.mandatory || c.optional) {\n      return c;\n    }\n    const cc = {};\n    Object.keys(c).forEach(key => {\n      if (key === 'require' || key === 'advanced' || key === 'mediaSource') {\n        return;\n      }\n      const r = (typeof c[key] === 'object') ? c[key] : {ideal: c[key]};\n      if (r.exact !== undefined && typeof r.exact === 'number') {\n        r.min = r.max = r.exact;\n      }\n      const oldname_ = function(prefix, name) {\n        if (prefix) {\n          return prefix + name.charAt(0).toUpperCase() + name.slice(1);\n        }\n        return (name === 'deviceId') ? 'sourceId' : name;\n      };\n      if (r.ideal !== undefined) {\n        cc.optional = cc.optional || [];\n        let oc = {};\n        if (typeof r.ideal === 'number') {\n          oc[oldname_('min', key)] = r.ideal;\n          cc.optional.push(oc);\n          oc = {};\n          oc[oldname_('max', key)] = r.ideal;\n          cc.optional.push(oc);\n        } else {\n          oc[oldname_('', key)] = r.ideal;\n          cc.optional.push(oc);\n        }\n      }\n      if (r.exact !== undefined && typeof r.exact !== 'number') {\n        cc.mandatory = cc.mandatory || {};\n        cc.mandatory[oldname_('', key)] = r.exact;\n      } else {\n        ['min', 'max'].forEach(mix => {\n          if (r[mix] !== undefined) {\n            cc.mandatory = cc.mandatory || {};\n            cc.mandatory[oldname_(mix, key)] = r[mix];\n          }\n        });\n      }\n    });\n    if (c.advanced) {\n      cc.optional = (cc.optional || []).concat(c.advanced);\n    }\n    return cc;\n  };\n\n  const shimConstraints_ = function(constraints, func) {\n    if (browserDetails.version >= 61) {\n      return func(constraints);\n    }\n    constraints = JSON.parse(JSON.stringify(constraints));\n    if (constraints && typeof constraints.audio === 'object') {\n      const remap = function(obj, a, b) {\n        if (a in obj && !(b in obj)) {\n          obj[b] = obj[a];\n          delete obj[a];\n        }\n      };\n      constraints = JSON.parse(JSON.stringify(constraints));\n      remap(constraints.audio, 'autoGainControl', 'googAutoGainControl');\n      remap(constraints.audio, 'noiseSuppression', 'googNoiseSuppression');\n      constraints.audio = constraintsToChrome_(constraints.audio);\n    }\n    if (constraints && typeof constraints.video === 'object') {\n      // Shim facingMode for mobile & surface pro.\n      let face = constraints.video.facingMode;\n      face = face && ((typeof face === 'object') ? face : {ideal: face});\n      const getSupportedFacingModeLies = browserDetails.version < 66;\n\n      if ((face && (face.exact === 'user' || face.exact === 'environment' ||\n                    face.ideal === 'user' || face.ideal === 'environment')) &&\n          !(navigator.mediaDevices.getSupportedConstraints &&\n            navigator.mediaDevices.getSupportedConstraints().facingMode &&\n            !getSupportedFacingModeLies)) {\n        delete constraints.video.facingMode;\n        let matches;\n        if (face.exact === 'environment' || face.ideal === 'environment') {\n          matches = ['back', 'rear'];\n        } else if (face.exact === 'user' || face.ideal === 'user') {\n          matches = ['front'];\n        }\n        if (matches) {\n          // Look for matches in label, or use last cam for back (typical).\n          return navigator.mediaDevices.enumerateDevices()\n            .then(devices => {\n              devices = devices.filter(d => d.kind === 'videoinput');\n              let dev = devices.find(d => matches.some(match =>\n                d.label.toLowerCase().includes(match)));\n              if (!dev && devices.length && matches.includes('back')) {\n                dev = devices[devices.length - 1]; // more likely the back cam\n              }\n              if (dev) {\n                constraints.video.deviceId = face.exact\n                  ? {exact: dev.deviceId}\n                  : {ideal: dev.deviceId};\n              }\n              constraints.video = constraintsToChrome_(constraints.video);\n              logging('chrome: ' + JSON.stringify(constraints));\n              return func(constraints);\n            });\n        }\n      }\n      constraints.video = constraintsToChrome_(constraints.video);\n    }\n    logging('chrome: ' + JSON.stringify(constraints));\n    return func(constraints);\n  };\n\n  const shimError_ = function(e) {\n    if (browserDetails.version >= 64) {\n      return e;\n    }\n    return {\n      name: {\n        PermissionDeniedError: 'NotAllowedError',\n        PermissionDismissedError: 'NotAllowedError',\n        InvalidStateError: 'NotAllowedError',\n        DevicesNotFoundError: 'NotFoundError',\n        ConstraintNotSatisfiedError: 'OverconstrainedError',\n        TrackStartError: 'NotReadableError',\n        MediaDeviceFailedDueToShutdown: 'NotAllowedError',\n        MediaDeviceKillSwitchOn: 'NotAllowedError',\n        TabCaptureError: 'AbortError',\n        ScreenCaptureError: 'AbortError',\n        DeviceCaptureError: 'AbortError'\n      }[e.name] || e.name,\n      message: e.message,\n      constraint: e.constraint || e.constraintName,\n      toString() {\n        return this.name + (this.message && ': ') + this.message;\n      }\n    };\n  };\n\n  const getUserMedia_ = function(constraints, onSuccess, onError) {\n    shimConstraints_(constraints, c => {\n      navigator.webkitGetUserMedia(c, onSuccess, e => {\n        if (onError) {\n          onError(shimError_(e));\n        }\n      });\n    });\n  };\n  navigator.getUserMedia = getUserMedia_.bind(navigator);\n\n  // Even though Chrome 45 has navigator.mediaDevices and a getUserMedia\n  // function which returns a Promise, it does not accept spec-style\n  // constraints.\n  if (navigator.mediaDevices.getUserMedia) {\n    const origGetUserMedia = navigator.mediaDevices.getUserMedia.\n      bind(navigator.mediaDevices);\n    navigator.mediaDevices.getUserMedia = function(cs) {\n      return shimConstraints_(cs, c => origGetUserMedia(c).then(stream => {\n        if (c.audio && !stream.getAudioTracks().length ||\n            c.video && !stream.getVideoTracks().length) {\n          stream.getTracks().forEach(track => {\n            track.stop();\n          });\n          throw new DOMException('', 'NotFoundError');\n        }\n        return stream;\n      }, e => Promise.reject(shimError_(e))));\n    };\n  }\n}\n","/*\n *  Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\nexport function shimGetDisplayMedia(window, getSourceId) {\n  if (window.navigator.mediaDevices &&\n    'getDisplayMedia' in window.navigator.mediaDevices) {\n    return;\n  }\n  if (!(window.navigator.mediaDevices)) {\n    return;\n  }\n  // getSourceId is a function that returns a promise resolving with\n  // the sourceId of the screen/window/tab to be shared.\n  if (typeof getSourceId !== 'function') {\n    console.error('shimGetDisplayMedia: getSourceId argument is not ' +\n        'a function');\n    return;\n  }\n  window.navigator.mediaDevices.getDisplayMedia =\n    function getDisplayMedia(constraints) {\n      return getSourceId(constraints)\n        .then(sourceId => {\n          const widthSpecified = constraints.video && constraints.video.width;\n          const heightSpecified = constraints.video &&\n            constraints.video.height;\n          const frameRateSpecified = constraints.video &&\n            constraints.video.frameRate;\n          constraints.video = {\n            mandatory: {\n              chromeMediaSource: 'desktop',\n              chromeMediaSourceId: sourceId,\n              maxFrameRate: frameRateSpecified || 3\n            }\n          };\n          if (widthSpecified) {\n            constraints.video.mandatory.maxWidth = widthSpecified;\n          }\n          if (heightSpecified) {\n            constraints.video.mandatory.maxHeight = heightSpecified;\n          }\n          return window.navigator.mediaDevices.getUserMedia(constraints);\n        });\n    };\n}\n","/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nimport * as utils from '../utils';\nexport {shimGetUserMedia} from './getusermedia';\nexport {shimGetDisplayMedia} from './getdisplaymedia';\n\nexport function shimOnTrack(window) {\n  if (typeof window === 'object' && window.RTCTrackEvent &&\n      ('receiver' in window.RTCTrackEvent.prototype) &&\n      !('transceiver' in window.RTCTrackEvent.prototype)) {\n    Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {\n      get() {\n        return {receiver: this.receiver};\n      }\n    });\n  }\n}\n\nexport function shimPeerConnection(window, browserDetails) {\n  if (typeof window !== 'object' ||\n      !(window.RTCPeerConnection || window.mozRTCPeerConnection)) {\n    return; // probably media.peerconnection.enabled=false in about:config\n  }\n  if (!window.RTCPeerConnection && window.mozRTCPeerConnection) {\n    // very basic support for old versions.\n    window.RTCPeerConnection = window.mozRTCPeerConnection;\n  }\n\n  if (browserDetails.version < 53) {\n    // shim away need for obsolete RTCIceCandidate/RTCSessionDescription.\n    ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']\n      .forEach(function(method) {\n        const nativeMethod = window.RTCPeerConnection.prototype[method];\n        const methodObj = {[method]() {\n          arguments[0] = new ((method === 'addIceCandidate') ?\n            window.RTCIceCandidate :\n            window.RTCSessionDescription)(arguments[0]);\n          return nativeMethod.apply(this, arguments);\n        }};\n        window.RTCPeerConnection.prototype[method] = methodObj[method];\n      });\n  }\n\n  const modernStatsTypes = {\n    inboundrtp: 'inbound-rtp',\n    outboundrtp: 'outbound-rtp',\n    candidatepair: 'candidate-pair',\n    localcandidate: 'local-candidate',\n    remotecandidate: 'remote-candidate'\n  };\n\n  const nativeGetStats = window.RTCPeerConnection.prototype.getStats;\n  window.RTCPeerConnection.prototype.getStats = function getStats() {\n    const [selector, onSucc, onErr] = arguments;\n    return nativeGetStats.apply(this, [selector || null])\n      .then(stats => {\n        if (browserDetails.version < 53 && !onSucc) {\n          // Shim only promise getStats with spec-hyphens in type names\n          // Leave callback version alone; misc old uses of forEach before Map\n          try {\n            stats.forEach(stat => {\n              stat.type = modernStatsTypes[stat.type] || stat.type;\n            });\n          } catch (e) {\n            if (e.name !== 'TypeError') {\n              throw e;\n            }\n            // Avoid TypeError: \"type\" is read-only, in old versions. 34-43ish\n            stats.forEach((stat, i) => {\n              stats.set(i, Object.assign({}, stat, {\n                type: modernStatsTypes[stat.type] || stat.type\n              }));\n            });\n          }\n        }\n        return stats;\n      })\n      .then(onSucc, onErr);\n  };\n}\n\nexport function shimSenderGetStats(window) {\n  if (!(typeof window === 'object' && window.RTCPeerConnection &&\n      window.RTCRtpSender)) {\n    return;\n  }\n  if (window.RTCRtpSender && 'getStats' in window.RTCRtpSender.prototype) {\n    return;\n  }\n  const origGetSenders = window.RTCPeerConnection.prototype.getSenders;\n  if (origGetSenders) {\n    window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n      const senders = origGetSenders.apply(this, []);\n      senders.forEach(sender => sender._pc = this);\n      return senders;\n    };\n  }\n\n  const origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n  if (origAddTrack) {\n    window.RTCPeerConnection.prototype.addTrack = function addTrack() {\n      const sender = origAddTrack.apply(this, arguments);\n      sender._pc = this;\n      return sender;\n    };\n  }\n  window.RTCRtpSender.prototype.getStats = function getStats() {\n    return this.track ? this._pc.getStats(this.track) :\n      Promise.resolve(new Map());\n  };\n}\n\nexport function shimReceiverGetStats(window) {\n  if (!(typeof window === 'object' && window.RTCPeerConnection &&\n      window.RTCRtpSender)) {\n    return;\n  }\n  if (window.RTCRtpSender && 'getStats' in window.RTCRtpReceiver.prototype) {\n    return;\n  }\n  const origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;\n  if (origGetReceivers) {\n    window.RTCPeerConnection.prototype.getReceivers = function getReceivers() {\n      const receivers = origGetReceivers.apply(this, []);\n      receivers.forEach(receiver => receiver._pc = this);\n      return receivers;\n    };\n  }\n  utils.wrapPeerConnectionEvent(window, 'track', e => {\n    e.receiver._pc = e.srcElement;\n    return e;\n  });\n  window.RTCRtpReceiver.prototype.getStats = function getStats() {\n    return this._pc.getStats(this.track);\n  };\n}\n\nexport function shimRemoveStream(window) {\n  if (!window.RTCPeerConnection ||\n      'removeStream' in window.RTCPeerConnection.prototype) {\n    return;\n  }\n  window.RTCPeerConnection.prototype.removeStream =\n    function removeStream(stream) {\n      utils.deprecated('removeStream', 'removeTrack');\n      this.getSenders().forEach(sender => {\n        if (sender.track && stream.getTracks().includes(sender.track)) {\n          this.removeTrack(sender);\n        }\n      });\n    };\n}\n\nexport function shimRTCDataChannel(window) {\n  // rename DataChannel to RTCDataChannel (native fix in FF60):\n  // https://bugzilla.mozilla.org/show_bug.cgi?id=1173851\n  if (window.DataChannel && !window.RTCDataChannel) {\n    window.RTCDataChannel = window.DataChannel;\n  }\n}\n\nexport function shimAddTransceiver(window) {\n  // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647\n  // Firefox ignores the init sendEncodings options passed to addTransceiver\n  // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918\n  if (!(typeof window === 'object' && window.RTCPeerConnection)) {\n    return;\n  }\n  const origAddTransceiver = window.RTCPeerConnection.prototype.addTransceiver;\n  if (origAddTransceiver) {\n    window.RTCPeerConnection.prototype.addTransceiver =\n      function addTransceiver() {\n        this.setParametersPromises = [];\n        // WebIDL input coercion and validation\n        let sendEncodings = arguments[1] && arguments[1].sendEncodings;\n        if (sendEncodings === undefined) {\n          sendEncodings = [];\n        }\n        sendEncodings = [...sendEncodings];\n        const shouldPerformCheck = sendEncodings.length > 0;\n        if (shouldPerformCheck) {\n          // If sendEncodings params are provided, validate grammar\n          sendEncodings.forEach((encodingParam) => {\n            if ('rid' in encodingParam) {\n              const ridRegex = /^[a-z0-9]{0,16}$/i;\n              if (!ridRegex.test(encodingParam.rid)) {\n                throw new TypeError('Invalid RID value provided.');\n              }\n            }\n            if ('scaleResolutionDownBy' in encodingParam) {\n              if (!(parseFloat(encodingParam.scaleResolutionDownBy) >= 1.0)) {\n                throw new RangeError('scale_resolution_down_by must be >= 1.0');\n              }\n            }\n            if ('maxFramerate' in encodingParam) {\n              if (!(parseFloat(encodingParam.maxFramerate) >= 0)) {\n                throw new RangeError('max_framerate must be >= 0.0');\n              }\n            }\n          });\n        }\n        const transceiver = origAddTransceiver.apply(this, arguments);\n        if (shouldPerformCheck) {\n          // Check if the init options were applied. If not we do this in an\n          // asynchronous way and save the promise reference in a global object.\n          // This is an ugly hack, but at the same time is way more robust than\n          // checking the sender parameters before and after the createOffer\n          // Also note that after the createoffer we are not 100% sure that\n          // the params were asynchronously applied so we might miss the\n          // opportunity to recreate offer.\n          const {sender} = transceiver;\n          const params = sender.getParameters();\n          if (!('encodings' in params) ||\n              // Avoid being fooled by patched getParameters() below.\n              (params.encodings.length === 1 &&\n               Object.keys(params.encodings[0]).length === 0)) {\n            params.encodings = sendEncodings;\n            sender.sendEncodings = sendEncodings;\n            this.setParametersPromises.push(sender.setParameters(params)\n              .then(() => {\n                delete sender.sendEncodings;\n              }).catch(() => {\n                delete sender.sendEncodings;\n              })\n            );\n          }\n        }\n        return transceiver;\n      };\n  }\n}\n\nexport function shimGetParameters(window) {\n  if (!(typeof window === 'object' && window.RTCRtpSender)) {\n    return;\n  }\n  const origGetParameters = window.RTCRtpSender.prototype.getParameters;\n  if (origGetParameters) {\n    window.RTCRtpSender.prototype.getParameters =\n      function getParameters() {\n        const params = origGetParameters.apply(this, arguments);\n        if (!('encodings' in params)) {\n          params.encodings = [].concat(this.sendEncodings || [{}]);\n        }\n        return params;\n      };\n  }\n}\n\nexport function shimCreateOffer(window) {\n  // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647\n  // Firefox ignores the init sendEncodings options passed to addTransceiver\n  // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918\n  if (!(typeof window === 'object' && window.RTCPeerConnection)) {\n    return;\n  }\n  const origCreateOffer = window.RTCPeerConnection.prototype.createOffer;\n  window.RTCPeerConnection.prototype.createOffer = function createOffer() {\n    if (this.setParametersPromises && this.setParametersPromises.length) {\n      return Promise.all(this.setParametersPromises)\n        .then(() => {\n          return origCreateOffer.apply(this, arguments);\n        })\n        .finally(() => {\n          this.setParametersPromises = [];\n        });\n    }\n    return origCreateOffer.apply(this, arguments);\n  };\n}\n\nexport function shimCreateAnswer(window) {\n  // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647\n  // Firefox ignores the init sendEncodings options passed to addTransceiver\n  // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918\n  if (!(typeof window === 'object' && window.RTCPeerConnection)) {\n    return;\n  }\n  const origCreateAnswer = window.RTCPeerConnection.prototype.createAnswer;\n  window.RTCPeerConnection.prototype.createAnswer = function createAnswer() {\n    if (this.setParametersPromises && this.setParametersPromises.length) {\n      return Promise.all(this.setParametersPromises)\n        .then(() => {\n          return origCreateAnswer.apply(this, arguments);\n        })\n        .finally(() => {\n          this.setParametersPromises = [];\n        });\n    }\n    return origCreateAnswer.apply(this, arguments);\n  };\n}\n","/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nimport * as utils from '../utils';\n\nexport function shimGetUserMedia(window, browserDetails) {\n  const navigator = window && window.navigator;\n  const MediaStreamTrack = window && window.MediaStreamTrack;\n\n  navigator.getUserMedia = function(constraints, onSuccess, onError) {\n    // Replace Firefox 44+'s deprecation warning with unprefixed version.\n    utils.deprecated('navigator.getUserMedia',\n      'navigator.mediaDevices.getUserMedia');\n    navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);\n  };\n\n  if (!(browserDetails.version > 55 &&\n      'autoGainControl' in navigator.mediaDevices.getSupportedConstraints())) {\n    const remap = function(obj, a, b) {\n      if (a in obj && !(b in obj)) {\n        obj[b] = obj[a];\n        delete obj[a];\n      }\n    };\n\n    const nativeGetUserMedia = navigator.mediaDevices.getUserMedia.\n      bind(navigator.mediaDevices);\n    navigator.mediaDevices.getUserMedia = function(c) {\n      if (typeof c === 'object' && typeof c.audio === 'object') {\n        c = JSON.parse(JSON.stringify(c));\n        remap(c.audio, 'autoGainControl', 'mozAutoGainControl');\n        remap(c.audio, 'noiseSuppression', 'mozNoiseSuppression');\n      }\n      return nativeGetUserMedia(c);\n    };\n\n    if (MediaStreamTrack && MediaStreamTrack.prototype.getSettings) {\n      const nativeGetSettings = MediaStreamTrack.prototype.getSettings;\n      MediaStreamTrack.prototype.getSettings = function() {\n        const obj = nativeGetSettings.apply(this, arguments);\n        remap(obj, 'mozAutoGainControl', 'autoGainControl');\n        remap(obj, 'mozNoiseSuppression', 'noiseSuppression');\n        return obj;\n      };\n    }\n\n    if (MediaStreamTrack && MediaStreamTrack.prototype.applyConstraints) {\n      const nativeApplyConstraints =\n        MediaStreamTrack.prototype.applyConstraints;\n      MediaStreamTrack.prototype.applyConstraints = function(c) {\n        if (this.kind === 'audio' && typeof c === 'object') {\n          c = JSON.parse(JSON.stringify(c));\n          remap(c, 'autoGainControl', 'mozAutoGainControl');\n          remap(c, 'noiseSuppression', 'mozNoiseSuppression');\n        }\n        return nativeApplyConstraints.apply(this, [c]);\n      };\n    }\n  }\n}\n","/*\n *  Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nexport function shimGetDisplayMedia(window, preferredMediaSource) {\n  if (window.navigator.mediaDevices &&\n    'getDisplayMedia' in window.navigator.mediaDevices) {\n    return;\n  }\n  if (!(window.navigator.mediaDevices)) {\n    return;\n  }\n  window.navigator.mediaDevices.getDisplayMedia =\n    function getDisplayMedia(constraints) {\n      if (!(constraints && constraints.video)) {\n        const err = new DOMException('getDisplayMedia without video ' +\n            'constraints is undefined');\n        err.name = 'NotFoundError';\n        // from https://heycam.github.io/webidl/#idl-DOMException-error-names\n        err.code = 8;\n        return Promise.reject(err);\n      }\n      if (constraints.video === true) {\n        constraints.video = {mediaSource: preferredMediaSource};\n      } else {\n        constraints.video.mediaSource = preferredMediaSource;\n      }\n      return window.navigator.mediaDevices.getUserMedia(constraints);\n    };\n}\n","/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n'use strict';\nimport * as utils from '../utils';\n\nexport function shimLocalStreamsAPI(window) {\n  if (typeof window !== 'object' || !window.RTCPeerConnection) {\n    return;\n  }\n  if (!('getLocalStreams' in window.RTCPeerConnection.prototype)) {\n    window.RTCPeerConnection.prototype.getLocalStreams =\n      function getLocalStreams() {\n        if (!this._localStreams) {\n          this._localStreams = [];\n        }\n        return this._localStreams;\n      };\n  }\n  if (!('addStream' in window.RTCPeerConnection.prototype)) {\n    const _addTrack = window.RTCPeerConnection.prototype.addTrack;\n    window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n      if (!this._localStreams) {\n        this._localStreams = [];\n      }\n      if (!this._localStreams.includes(stream)) {\n        this._localStreams.push(stream);\n      }\n      // Try to emulate Chrome's behaviour of adding in audio-video order.\n      // Safari orders by track id.\n      stream.getAudioTracks().forEach(track => _addTrack.call(this, track,\n        stream));\n      stream.getVideoTracks().forEach(track => _addTrack.call(this, track,\n        stream));\n    };\n\n    window.RTCPeerConnection.prototype.addTrack =\n      function addTrack(track, ...streams) {\n        if (streams) {\n          streams.forEach((stream) => {\n            if (!this._localStreams) {\n              this._localStreams = [stream];\n            } else if (!this._localStreams.includes(stream)) {\n              this._localStreams.push(stream);\n            }\n          });\n        }\n        return _addTrack.apply(this, arguments);\n      };\n  }\n  if (!('removeStream' in window.RTCPeerConnection.prototype)) {\n    window.RTCPeerConnection.prototype.removeStream =\n      function removeStream(stream) {\n        if (!this._localStreams) {\n          this._localStreams = [];\n        }\n        const index = this._localStreams.indexOf(stream);\n        if (index === -1) {\n          return;\n        }\n        this._localStreams.splice(index, 1);\n        const tracks = stream.getTracks();\n        this.getSenders().forEach(sender => {\n          if (tracks.includes(sender.track)) {\n            this.removeTrack(sender);\n          }\n        });\n      };\n  }\n}\n\nexport function shimRemoteStreamsAPI(window) {\n  if (typeof window !== 'object' || !window.RTCPeerConnection) {\n    return;\n  }\n  if (!('getRemoteStreams' in window.RTCPeerConnection.prototype)) {\n    window.RTCPeerConnection.prototype.getRemoteStreams =\n      function getRemoteStreams() {\n        return this._remoteStreams ? this._remoteStreams : [];\n      };\n  }\n  if (!('onaddstream' in window.RTCPeerConnection.prototype)) {\n    Object.defineProperty(window.RTCPeerConnection.prototype, 'onaddstream', {\n      get() {\n        return this._onaddstream;\n      },\n      set(f) {\n        if (this._onaddstream) {\n          this.removeEventListener('addstream', this._onaddstream);\n          this.removeEventListener('track', this._onaddstreampoly);\n        }\n        this.addEventListener('addstream', this._onaddstream = f);\n        this.addEventListener('track', this._onaddstreampoly = (e) => {\n          e.streams.forEach(stream => {\n            if (!this._remoteStreams) {\n              this._remoteStreams = [];\n            }\n            if (this._remoteStreams.includes(stream)) {\n              return;\n            }\n            this._remoteStreams.push(stream);\n            const event = new Event('addstream');\n            event.stream = stream;\n            this.dispatchEvent(event);\n          });\n        });\n      }\n    });\n    const origSetRemoteDescription =\n      window.RTCPeerConnection.prototype.setRemoteDescription;\n    window.RTCPeerConnection.prototype.setRemoteDescription =\n      function setRemoteDescription() {\n        const pc = this;\n        if (!this._onaddstreampoly) {\n          this.addEventListener('track', this._onaddstreampoly = function(e) {\n            e.streams.forEach(stream => {\n              if (!pc._remoteStreams) {\n                pc._remoteStreams = [];\n              }\n              if (pc._remoteStreams.indexOf(stream) >= 0) {\n                return;\n              }\n              pc._remoteStreams.push(stream);\n              const event = new Event('addstream');\n              event.stream = stream;\n              pc.dispatchEvent(event);\n            });\n          });\n        }\n        return origSetRemoteDescription.apply(pc, arguments);\n      };\n  }\n}\n\nexport function shimCallbacksAPI(window) {\n  if (typeof window !== 'object' || !window.RTCPeerConnection) {\n    return;\n  }\n  const prototype = window.RTCPeerConnection.prototype;\n  const origCreateOffer = prototype.createOffer;\n  const origCreateAnswer = prototype.createAnswer;\n  const setLocalDescription = prototype.setLocalDescription;\n  const setRemoteDescription = prototype.setRemoteDescription;\n  const addIceCandidate = prototype.addIceCandidate;\n\n  prototype.createOffer =\n    function createOffer(successCallback, failureCallback) {\n      const options = (arguments.length >= 2) ? arguments[2] : arguments[0];\n      const promise = origCreateOffer.apply(this, [options]);\n      if (!failureCallback) {\n        return promise;\n      }\n      promise.then(successCallback, failureCallback);\n      return Promise.resolve();\n    };\n\n  prototype.createAnswer =\n    function createAnswer(successCallback, failureCallback) {\n      const options = (arguments.length >= 2) ? arguments[2] : arguments[0];\n      const promise = origCreateAnswer.apply(this, [options]);\n      if (!failureCallback) {\n        return promise;\n      }\n      promise.then(successCallback, failureCallback);\n      return Promise.resolve();\n    };\n\n  let withCallback = function(description, successCallback, failureCallback) {\n    const promise = setLocalDescription.apply(this, [description]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n  prototype.setLocalDescription = withCallback;\n\n  withCallback = function(description, successCallback, failureCallback) {\n    const promise = setRemoteDescription.apply(this, [description]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n  prototype.setRemoteDescription = withCallback;\n\n  withCallback = function(candidate, successCallback, failureCallback) {\n    const promise = addIceCandidate.apply(this, [candidate]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n  prototype.addIceCandidate = withCallback;\n}\n\nexport function shimGetUserMedia(window) {\n  const navigator = window && window.navigator;\n\n  if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {\n    // shim not needed in Safari 12.1\n    const mediaDevices = navigator.mediaDevices;\n    const _getUserMedia = mediaDevices.getUserMedia.bind(mediaDevices);\n    navigator.mediaDevices.getUserMedia = (constraints) => {\n      return _getUserMedia(shimConstraints(constraints));\n    };\n  }\n\n  if (!navigator.getUserMedia && navigator.mediaDevices &&\n    navigator.mediaDevices.getUserMedia) {\n    navigator.getUserMedia = function getUserMedia(constraints, cb, errcb) {\n      navigator.mediaDevices.getUserMedia(constraints)\n        .then(cb, errcb);\n    }.bind(navigator);\n  }\n}\n\nexport function shimConstraints(constraints) {\n  if (constraints && constraints.video !== undefined) {\n    return Object.assign({},\n      constraints,\n      {video: utils.compactObject(constraints.video)}\n    );\n  }\n\n  return constraints;\n}\n\nexport function shimRTCIceServerUrls(window) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n  // migrate from non-spec RTCIceServer.url to RTCIceServer.urls\n  const OrigPeerConnection = window.RTCPeerConnection;\n  window.RTCPeerConnection =\n    function RTCPeerConnection(pcConfig, pcConstraints) {\n      if (pcConfig && pcConfig.iceServers) {\n        const newIceServers = [];\n        for (let i = 0; i < pcConfig.iceServers.length; i++) {\n          let server = pcConfig.iceServers[i];\n          if (server.urls === undefined && server.url) {\n            utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');\n            server = JSON.parse(JSON.stringify(server));\n            server.urls = server.url;\n            delete server.url;\n            newIceServers.push(server);\n          } else {\n            newIceServers.push(pcConfig.iceServers[i]);\n          }\n        }\n        pcConfig.iceServers = newIceServers;\n      }\n      return new OrigPeerConnection(pcConfig, pcConstraints);\n    };\n  window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;\n  // wrap static methods. Currently just generateCertificate.\n  if ('generateCertificate' in OrigPeerConnection) {\n    Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {\n      get() {\n        return OrigPeerConnection.generateCertificate;\n      }\n    });\n  }\n}\n\nexport function shimTrackEventTransceiver(window) {\n  // Add event.transceiver member over deprecated event.receiver\n  if (typeof window === 'object' && window.RTCTrackEvent &&\n      'receiver' in window.RTCTrackEvent.prototype &&\n      !('transceiver' in window.RTCTrackEvent.prototype)) {\n    Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {\n      get() {\n        return {receiver: this.receiver};\n      }\n    });\n  }\n}\n\nexport function shimCreateOfferLegacy(window) {\n  const origCreateOffer = window.RTCPeerConnection.prototype.createOffer;\n  window.RTCPeerConnection.prototype.createOffer =\n    function createOffer(offerOptions) {\n      if (offerOptions) {\n        if (typeof offerOptions.offerToReceiveAudio !== 'undefined') {\n          // support bit values\n          offerOptions.offerToReceiveAudio =\n            !!offerOptions.offerToReceiveAudio;\n        }\n        const audioTransceiver = this.getTransceivers().find(transceiver =>\n          transceiver.receiver.track.kind === 'audio');\n        if (offerOptions.offerToReceiveAudio === false && audioTransceiver) {\n          if (audioTransceiver.direction === 'sendrecv') {\n            if (audioTransceiver.setDirection) {\n              audioTransceiver.setDirection('sendonly');\n            } else {\n              audioTransceiver.direction = 'sendonly';\n            }\n          } else if (audioTransceiver.direction === 'recvonly') {\n            if (audioTransceiver.setDirection) {\n              audioTransceiver.setDirection('inactive');\n            } else {\n              audioTransceiver.direction = 'inactive';\n            }\n          }\n        } else if (offerOptions.offerToReceiveAudio === true &&\n            !audioTransceiver) {\n          this.addTransceiver('audio', {direction: 'recvonly'});\n        }\n\n        if (typeof offerOptions.offerToReceiveVideo !== 'undefined') {\n          // support bit values\n          offerOptions.offerToReceiveVideo =\n            !!offerOptions.offerToReceiveVideo;\n        }\n        const videoTransceiver = this.getTransceivers().find(transceiver =>\n          transceiver.receiver.track.kind === 'video');\n        if (offerOptions.offerToReceiveVideo === false && videoTransceiver) {\n          if (videoTransceiver.direction === 'sendrecv') {\n            if (videoTransceiver.setDirection) {\n              videoTransceiver.setDirection('sendonly');\n            } else {\n              videoTransceiver.direction = 'sendonly';\n            }\n          } else if (videoTransceiver.direction === 'recvonly') {\n            if (videoTransceiver.setDirection) {\n              videoTransceiver.setDirection('inactive');\n            } else {\n              videoTransceiver.direction = 'inactive';\n            }\n          }\n        } else if (offerOptions.offerToReceiveVideo === true &&\n            !videoTransceiver) {\n          this.addTransceiver('video', {direction: 'recvonly'});\n        }\n      }\n      return origCreateOffer.apply(this, arguments);\n    };\n}\n\nexport function shimAudioContext(window) {\n  if (typeof window !== 'object' || window.AudioContext) {\n    return;\n  }\n  window.AudioContext = window.webkitAudioContext;\n}\n\n","/*\n *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nimport SDPUtils from 'sdp';\nimport * as utils from './utils';\n\nexport function shimRTCIceCandidate(window) {\n  // foundation is arbitrarily chosen as an indicator for full support for\n  // https://w3c.github.io/webrtc-pc/#rtcicecandidate-interface\n  if (!window.RTCIceCandidate || (window.RTCIceCandidate && 'foundation' in\n      window.RTCIceCandidate.prototype)) {\n    return;\n  }\n\n  const NativeRTCIceCandidate = window.RTCIceCandidate;\n  window.RTCIceCandidate = function RTCIceCandidate(args) {\n    // Remove the a= which shouldn't be part of the candidate string.\n    if (typeof args === 'object' && args.candidate &&\n        args.candidate.indexOf('a=') === 0) {\n      args = JSON.parse(JSON.stringify(args));\n      args.candidate = args.candidate.substring(2);\n    }\n\n    if (args.candidate && args.candidate.length) {\n      // Augment the native candidate with the parsed fields.\n      const nativeCandidate = new NativeRTCIceCandidate(args);\n      const parsedCandidate = SDPUtils.parseCandidate(args.candidate);\n      for (const key in parsedCandidate) {\n        if (!(key in nativeCandidate)) {\n          Object.defineProperty(nativeCandidate, key,\n            {value: parsedCandidate[key]});\n        }\n      }\n\n      // Override serializer to not serialize the extra attributes.\n      nativeCandidate.toJSON = function toJSON() {\n        return {\n          candidate: nativeCandidate.candidate,\n          sdpMid: nativeCandidate.sdpMid,\n          sdpMLineIndex: nativeCandidate.sdpMLineIndex,\n          usernameFragment: nativeCandidate.usernameFragment,\n        };\n      };\n      return nativeCandidate;\n    }\n    return new NativeRTCIceCandidate(args);\n  };\n  window.RTCIceCandidate.prototype = NativeRTCIceCandidate.prototype;\n\n  // Hook up the augmented candidate in onicecandidate and\n  // addEventListener('icecandidate', ...)\n  utils.wrapPeerConnectionEvent(window, 'icecandidate', e => {\n    if (e.candidate) {\n      Object.defineProperty(e, 'candidate', {\n        value: new window.RTCIceCandidate(e.candidate),\n        writable: 'false'\n      });\n    }\n    return e;\n  });\n}\n\nexport function shimRTCIceCandidateRelayProtocol(window) {\n  if (!window.RTCIceCandidate || (window.RTCIceCandidate && 'relayProtocol' in\n      window.RTCIceCandidate.prototype)) {\n    return;\n  }\n\n  // Hook up the augmented candidate in onicecandidate and\n  // addEventListener('icecandidate', ...)\n  utils.wrapPeerConnectionEvent(window, 'icecandidate', e => {\n    if (e.candidate) {\n      const parsedCandidate = SDPUtils.parseCandidate(e.candidate.candidate);\n      if (parsedCandidate.type === 'relay') {\n        // This is a libwebrtc-specific mapping of local type preference\n        // to relayProtocol.\n        e.candidate.relayProtocol = {\n          0: 'tls',\n          1: 'tcp',\n          2: 'udp',\n        }[parsedCandidate.priority >> 24];\n      }\n    }\n    return e;\n  });\n}\n\nexport function shimMaxMessageSize(window, browserDetails) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n\n  if (!('sctp' in window.RTCPeerConnection.prototype)) {\n    Object.defineProperty(window.RTCPeerConnection.prototype, 'sctp', {\n      get() {\n        return typeof this._sctp === 'undefined' ? null : this._sctp;\n      }\n    });\n  }\n\n  const sctpInDescription = function(description) {\n    if (!description || !description.sdp) {\n      return false;\n    }\n    const sections = SDPUtils.splitSections(description.sdp);\n    sections.shift();\n    return sections.some(mediaSection => {\n      const mLine = SDPUtils.parseMLine(mediaSection);\n      return mLine && mLine.kind === 'application'\n          && mLine.protocol.indexOf('SCTP') !== -1;\n    });\n  };\n\n  const getRemoteFirefoxVersion = function(description) {\n    // TODO: Is there a better solution for detecting Firefox?\n    const match = description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\\d+)/);\n    if (match === null || match.length < 2) {\n      return -1;\n    }\n    const version = parseInt(match[1], 10);\n    // Test for NaN (yes, this is ugly)\n    return version !== version ? -1 : version;\n  };\n\n  const getCanSendMaxMessageSize = function(remoteIsFirefox) {\n    // Every implementation we know can send at least 64 KiB.\n    // Note: Although Chrome is technically able to send up to 256 KiB, the\n    //       data does not reach the other peer reliably.\n    //       See: https://bugs.chromium.org/p/webrtc/issues/detail?id=8419\n    let canSendMaxMessageSize = 65536;\n    if (browserDetails.browser === 'firefox') {\n      if (browserDetails.version < 57) {\n        if (remoteIsFirefox === -1) {\n          // FF < 57 will send in 16 KiB chunks using the deprecated PPID\n          // fragmentation.\n          canSendMaxMessageSize = 16384;\n        } else {\n          // However, other FF (and RAWRTC) can reassemble PPID-fragmented\n          // messages. Thus, supporting ~2 GiB when sending.\n          canSendMaxMessageSize = 2147483637;\n        }\n      } else if (browserDetails.version < 60) {\n        // Currently, all FF >= 57 will reset the remote maximum message size\n        // to the default value when a data channel is created at a later\n        // stage. :(\n        // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831\n        canSendMaxMessageSize =\n          browserDetails.version === 57 ? 65535 : 65536;\n      } else {\n        // FF >= 60 supports sending ~2 GiB\n        canSendMaxMessageSize = 2147483637;\n      }\n    }\n    return canSendMaxMessageSize;\n  };\n\n  const getMaxMessageSize = function(description, remoteIsFirefox) {\n    // Note: 65536 bytes is the default value from the SDP spec. Also,\n    //       every implementation we know supports receiving 65536 bytes.\n    let maxMessageSize = 65536;\n\n    // FF 57 has a slightly incorrect default remote max message size, so\n    // we need to adjust it here to avoid a failure when sending.\n    // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1425697\n    if (browserDetails.browser === 'firefox'\n         && browserDetails.version === 57) {\n      maxMessageSize = 65535;\n    }\n\n    const match = SDPUtils.matchPrefix(description.sdp,\n      'a=max-message-size:');\n    if (match.length > 0) {\n      maxMessageSize = parseInt(match[0].substring(19), 10);\n    } else if (browserDetails.browser === 'firefox' &&\n                remoteIsFirefox !== -1) {\n      // If the maximum message size is not present in the remote SDP and\n      // both local and remote are Firefox, the remote peer can receive\n      // ~2 GiB.\n      maxMessageSize = 2147483637;\n    }\n    return maxMessageSize;\n  };\n\n  const origSetRemoteDescription =\n      window.RTCPeerConnection.prototype.setRemoteDescription;\n  window.RTCPeerConnection.prototype.setRemoteDescription =\n    function setRemoteDescription() {\n      this._sctp = null;\n      // Chrome decided to not expose .sctp in plan-b mode.\n      // As usual, adapter.js has to do an 'ugly worakaround'\n      // to cover up the mess.\n      if (browserDetails.browser === 'chrome' && browserDetails.version >= 76) {\n        const {sdpSemantics} = this.getConfiguration();\n        if (sdpSemantics === 'plan-b') {\n          Object.defineProperty(this, 'sctp', {\n            get() {\n              return typeof this._sctp === 'undefined' ? null : this._sctp;\n            },\n            enumerable: true,\n            configurable: true,\n          });\n        }\n      }\n\n      if (sctpInDescription(arguments[0])) {\n        // Check if the remote is FF.\n        const isFirefox = getRemoteFirefoxVersion(arguments[0]);\n\n        // Get the maximum message size the local peer is capable of sending\n        const canSendMMS = getCanSendMaxMessageSize(isFirefox);\n\n        // Get the maximum message size of the remote peer.\n        const remoteMMS = getMaxMessageSize(arguments[0], isFirefox);\n\n        // Determine final maximum message size\n        let maxMessageSize;\n        if (canSendMMS === 0 && remoteMMS === 0) {\n          maxMessageSize = Number.POSITIVE_INFINITY;\n        } else if (canSendMMS === 0 || remoteMMS === 0) {\n          maxMessageSize = Math.max(canSendMMS, remoteMMS);\n        } else {\n          maxMessageSize = Math.min(canSendMMS, remoteMMS);\n        }\n\n        // Create a dummy RTCSctpTransport object and the 'maxMessageSize'\n        // attribute.\n        const sctp = {};\n        Object.defineProperty(sctp, 'maxMessageSize', {\n          get() {\n            return maxMessageSize;\n          }\n        });\n        this._sctp = sctp;\n      }\n\n      return origSetRemoteDescription.apply(this, arguments);\n    };\n}\n\nexport function shimSendThrowTypeError(window) {\n  if (!(window.RTCPeerConnection &&\n      'createDataChannel' in window.RTCPeerConnection.prototype)) {\n    return;\n  }\n\n  // Note: Although Firefox >= 57 has a native implementation, the maximum\n  //       message size can be reset for all data channels at a later stage.\n  //       See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831\n\n  function wrapDcSend(dc, pc) {\n    const origDataChannelSend = dc.send;\n    dc.send = function send() {\n      const data = arguments[0];\n      const length = data.length || data.size || data.byteLength;\n      if (dc.readyState === 'open' &&\n          pc.sctp && length > pc.sctp.maxMessageSize) {\n        throw new TypeError('Message too large (can send a maximum of ' +\n          pc.sctp.maxMessageSize + ' bytes)');\n      }\n      return origDataChannelSend.apply(dc, arguments);\n    };\n  }\n  const origCreateDataChannel =\n    window.RTCPeerConnection.prototype.createDataChannel;\n  window.RTCPeerConnection.prototype.createDataChannel =\n    function createDataChannel() {\n      const dataChannel = origCreateDataChannel.apply(this, arguments);\n      wrapDcSend(dataChannel, this);\n      return dataChannel;\n    };\n  utils.wrapPeerConnectionEvent(window, 'datachannel', e => {\n    wrapDcSend(e.channel, e.target);\n    return e;\n  });\n}\n\n\n/* shims RTCConnectionState by pretending it is the same as iceConnectionState.\n * See https://bugs.chromium.org/p/webrtc/issues/detail?id=6145#c12\n * for why this is a valid hack in Chrome. In Firefox it is slightly incorrect\n * since DTLS failures would be hidden. See\n * https://bugzilla.mozilla.org/show_bug.cgi?id=1265827\n * for the Firefox tracking bug.\n */\nexport function shimConnectionState(window) {\n  if (!window.RTCPeerConnection ||\n      'connectionState' in window.RTCPeerConnection.prototype) {\n    return;\n  }\n  const proto = window.RTCPeerConnection.prototype;\n  Object.defineProperty(proto, 'connectionState', {\n    get() {\n      return {\n        completed: 'connected',\n        checking: 'connecting'\n      }[this.iceConnectionState] || this.iceConnectionState;\n    },\n    enumerable: true,\n    configurable: true\n  });\n  Object.defineProperty(proto, 'onconnectionstatechange', {\n    get() {\n      return this._onconnectionstatechange || null;\n    },\n    set(cb) {\n      if (this._onconnectionstatechange) {\n        this.removeEventListener('connectionstatechange',\n          this._onconnectionstatechange);\n        delete this._onconnectionstatechange;\n      }\n      if (cb) {\n        this.addEventListener('connectionstatechange',\n          this._onconnectionstatechange = cb);\n      }\n    },\n    enumerable: true,\n    configurable: true\n  });\n\n  ['setLocalDescription', 'setRemoteDescription'].forEach((method) => {\n    const origMethod = proto[method];\n    proto[method] = function() {\n      if (!this._connectionstatechangepoly) {\n        this._connectionstatechangepoly = e => {\n          const pc = e.target;\n          if (pc._lastConnectionState !== pc.connectionState) {\n            pc._lastConnectionState = pc.connectionState;\n            const newEvent = new Event('connectionstatechange', e);\n            pc.dispatchEvent(newEvent);\n          }\n          return e;\n        };\n        this.addEventListener('iceconnectionstatechange',\n          this._connectionstatechangepoly);\n      }\n      return origMethod.apply(this, arguments);\n    };\n  });\n}\n\nexport function removeExtmapAllowMixed(window, browserDetails) {\n  /* remove a=extmap-allow-mixed for webrtc.org < M71 */\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n  if (browserDetails.browser === 'chrome' && browserDetails.version >= 71) {\n    return;\n  }\n  if (browserDetails.browser === 'safari' && browserDetails.version >= 605) {\n    return;\n  }\n  const nativeSRD = window.RTCPeerConnection.prototype.setRemoteDescription;\n  window.RTCPeerConnection.prototype.setRemoteDescription =\n  function setRemoteDescription(desc) {\n    if (desc && desc.sdp && desc.sdp.indexOf('\\na=extmap-allow-mixed') !== -1) {\n      const sdp = desc.sdp.split('\\n').filter((line) => {\n        return line.trim() !== 'a=extmap-allow-mixed';\n      }).join('\\n');\n      // Safari enforces read-only-ness of RTCSessionDescription fields.\n      if (window.RTCSessionDescription &&\n          desc instanceof window.RTCSessionDescription) {\n        arguments[0] = new window.RTCSessionDescription({\n          type: desc.type,\n          sdp,\n        });\n      } else {\n        desc.sdp = sdp;\n      }\n    }\n    return nativeSRD.apply(this, arguments);\n  };\n}\n\nexport function shimAddIceCandidateNullOrEmpty(window, browserDetails) {\n  // Support for addIceCandidate(null or undefined)\n  // as well as addIceCandidate({candidate: \"\", ...})\n  // https://bugs.chromium.org/p/chromium/issues/detail?id=978582\n  // Note: must be called before other polyfills which change the signature.\n  if (!(window.RTCPeerConnection && window.RTCPeerConnection.prototype)) {\n    return;\n  }\n  const nativeAddIceCandidate =\n      window.RTCPeerConnection.prototype.addIceCandidate;\n  if (!nativeAddIceCandidate || nativeAddIceCandidate.length === 0) {\n    return;\n  }\n  window.RTCPeerConnection.prototype.addIceCandidate =\n    function addIceCandidate() {\n      if (!arguments[0]) {\n        if (arguments[1]) {\n          arguments[1].apply(null);\n        }\n        return Promise.resolve();\n      }\n      // Firefox 68+ emits and processes {candidate: \"\", ...}, ignore\n      // in older versions.\n      // Native support for ignoring exists for Chrome M77+.\n      // Safari ignores as well, exact version unknown but works in the same\n      // version that also ignores addIceCandidate(null).\n      if (((browserDetails.browser === 'chrome' && browserDetails.version < 78)\n           || (browserDetails.browser === 'firefox'\n               && browserDetails.version < 68)\n           || (browserDetails.browser === 'safari'))\n          && arguments[0] && arguments[0].candidate === '') {\n        return Promise.resolve();\n      }\n      return nativeAddIceCandidate.apply(this, arguments);\n    };\n}\n\n// Note: Make sure to call this ahead of APIs that modify\n// setLocalDescription.length\nexport function shimParameterlessSetLocalDescription(window, browserDetails) {\n  if (!(window.RTCPeerConnection && window.RTCPeerConnection.prototype)) {\n    return;\n  }\n  const nativeSetLocalDescription =\n      window.RTCPeerConnection.prototype.setLocalDescription;\n  if (!nativeSetLocalDescription || nativeSetLocalDescription.length === 0) {\n    return;\n  }\n  window.RTCPeerConnection.prototype.setLocalDescription =\n    function setLocalDescription() {\n      let desc = arguments[0] || {};\n      if (typeof desc !== 'object' || (desc.type && desc.sdp)) {\n        return nativeSetLocalDescription.apply(this, arguments);\n      }\n      // The remaining steps should technically happen when SLD comes off the\n      // RTCPeerConnection's operations chain (not ahead of going on it), but\n      // this is too difficult to shim. Instead, this shim only covers the\n      // common case where the operations chain is empty. This is imperfect, but\n      // should cover many cases. Rationale: Even if we can't reduce the glare\n      // window to zero on imperfect implementations, there's value in tapping\n      // into the perfect negotiation pattern that several browsers support.\n      desc = {type: desc.type, sdp: desc.sdp};\n      if (!desc.type) {\n        switch (this.signalingState) {\n          case 'stable':\n          case 'have-local-offer':\n          case 'have-remote-pranswer':\n            desc.type = 'offer';\n            break;\n          default:\n            desc.type = 'answer';\n            break;\n        }\n      }\n      if (desc.sdp || (desc.type !== 'offer' && desc.type !== 'answer')) {\n        return nativeSetLocalDescription.apply(this, [desc]);\n      }\n      const func = desc.type === 'offer' ? this.createOffer : this.createAnswer;\n      return func.apply(this)\n        .then(d => nativeSetLocalDescription.apply(this, [d]));\n    };\n}\n","/* eslint-env node */\n'use strict';\n\n// SDP helpers.\nconst SDPUtils = {};\n\n// Generate an alphanumeric identifier for cname or mids.\n// TODO: use UUIDs instead? https://gist.github.com/jed/982883\nSDPUtils.generateIdentifier = function() {\n  return Math.random().toString(36).substring(2, 12);\n};\n\n// The RTCP CNAME used by all peerconnections from the same JS.\nSDPUtils.localCName = SDPUtils.generateIdentifier();\n\n// Splits SDP into lines, dealing with both CRLF and LF.\nSDPUtils.splitLines = function(blob) {\n  return blob.trim().split('\\n').map(line => line.trim());\n};\n// Splits SDP into sessionpart and mediasections. Ensures CRLF.\nSDPUtils.splitSections = function(blob) {\n  const parts = blob.split('\\nm=');\n  return parts.map((part, index) => (index > 0 ?\n    'm=' + part : part).trim() + '\\r\\n');\n};\n\n// Returns the session description.\nSDPUtils.getDescription = function(blob) {\n  const sections = SDPUtils.splitSections(blob);\n  return sections && sections[0];\n};\n\n// Returns the individual media sections.\nSDPUtils.getMediaSections = function(blob) {\n  const sections = SDPUtils.splitSections(blob);\n  sections.shift();\n  return sections;\n};\n\n// Returns lines that start with a certain prefix.\nSDPUtils.matchPrefix = function(blob, prefix) {\n  return SDPUtils.splitLines(blob).filter(line => line.indexOf(prefix) === 0);\n};\n\n// Parses an ICE candidate line. Sample input:\n// candidate:702786350 2 udp 41819902 8.8.8.8 60769 typ relay raddr 8.8.8.8\n// rport 55996\"\n// Input can be prefixed with a=.\nSDPUtils.parseCandidate = function(line) {\n  let parts;\n  // Parse both variants.\n  if (line.indexOf('a=candidate:') === 0) {\n    parts = line.substring(12).split(' ');\n  } else {\n    parts = line.substring(10).split(' ');\n  }\n\n  const candidate = {\n    foundation: parts[0],\n    component: {1: 'rtp', 2: 'rtcp'}[parts[1]] || parts[1],\n    protocol: parts[2].toLowerCase(),\n    priority: parseInt(parts[3], 10),\n    ip: parts[4],\n    address: parts[4], // address is an alias for ip.\n    port: parseInt(parts[5], 10),\n    // skip parts[6] == 'typ'\n    type: parts[7],\n  };\n\n  for (let i = 8; i < parts.length; i += 2) {\n    switch (parts[i]) {\n      case 'raddr':\n        candidate.relatedAddress = parts[i + 1];\n        break;\n      case 'rport':\n        candidate.relatedPort = parseInt(parts[i + 1], 10);\n        break;\n      case 'tcptype':\n        candidate.tcpType = parts[i + 1];\n        break;\n      case 'ufrag':\n        candidate.ufrag = parts[i + 1]; // for backward compatibility.\n        candidate.usernameFragment = parts[i + 1];\n        break;\n      default: // extension handling, in particular ufrag. Don't overwrite.\n        if (candidate[parts[i]] === undefined) {\n          candidate[parts[i]] = parts[i + 1];\n        }\n        break;\n    }\n  }\n  return candidate;\n};\n\n// Translates a candidate object into SDP candidate attribute.\n// This does not include the a= prefix!\nSDPUtils.writeCandidate = function(candidate) {\n  const sdp = [];\n  sdp.push(candidate.foundation);\n\n  const component = candidate.component;\n  if (component === 'rtp') {\n    sdp.push(1);\n  } else if (component === 'rtcp') {\n    sdp.push(2);\n  } else {\n    sdp.push(component);\n  }\n  sdp.push(candidate.protocol.toUpperCase());\n  sdp.push(candidate.priority);\n  sdp.push(candidate.address || candidate.ip);\n  sdp.push(candidate.port);\n\n  const type = candidate.type;\n  sdp.push('typ');\n  sdp.push(type);\n  if (type !== 'host' && candidate.relatedAddress &&\n      candidate.relatedPort) {\n    sdp.push('raddr');\n    sdp.push(candidate.relatedAddress);\n    sdp.push('rport');\n    sdp.push(candidate.relatedPort);\n  }\n  if (candidate.tcpType && candidate.protocol.toLowerCase() === 'tcp') {\n    sdp.push('tcptype');\n    sdp.push(candidate.tcpType);\n  }\n  if (candidate.usernameFragment || candidate.ufrag) {\n    sdp.push('ufrag');\n    sdp.push(candidate.usernameFragment || candidate.ufrag);\n  }\n  return 'candidate:' + sdp.join(' ');\n};\n\n// Parses an ice-options line, returns an array of option tags.\n// Sample input:\n// a=ice-options:foo bar\nSDPUtils.parseIceOptions = function(line) {\n  return line.substring(14).split(' ');\n};\n\n// Parses a rtpmap line, returns RTCRtpCoddecParameters. Sample input:\n// a=rtpmap:111 opus/48000/2\nSDPUtils.parseRtpMap = function(line) {\n  let parts = line.substring(9).split(' ');\n  const parsed = {\n    payloadType: parseInt(parts.shift(), 10), // was: id\n  };\n\n  parts = parts[0].split('/');\n\n  parsed.name = parts[0];\n  parsed.clockRate = parseInt(parts[1], 10); // was: clockrate\n  parsed.channels = parts.length === 3 ? parseInt(parts[2], 10) : 1;\n  // legacy alias, got renamed back to channels in ORTC.\n  parsed.numChannels = parsed.channels;\n  return parsed;\n};\n\n// Generates a rtpmap line from RTCRtpCodecCapability or\n// RTCRtpCodecParameters.\nSDPUtils.writeRtpMap = function(codec) {\n  let pt = codec.payloadType;\n  if (codec.preferredPayloadType !== undefined) {\n    pt = codec.preferredPayloadType;\n  }\n  const channels = codec.channels || codec.numChannels || 1;\n  return 'a=rtpmap:' + pt + ' ' + codec.name + '/' + codec.clockRate +\n      (channels !== 1 ? '/' + channels : '') + '\\r\\n';\n};\n\n// Parses a extmap line (headerextension from RFC 5285). Sample input:\n// a=extmap:2 urn:ietf:params:rtp-hdrext:toffset\n// a=extmap:2/sendonly urn:ietf:params:rtp-hdrext:toffset\nSDPUtils.parseExtmap = function(line) {\n  const parts = line.substring(9).split(' ');\n  return {\n    id: parseInt(parts[0], 10),\n    direction: parts[0].indexOf('/') > 0 ? parts[0].split('/')[1] : 'sendrecv',\n    uri: parts[1],\n    attributes: parts.slice(2).join(' '),\n  };\n};\n\n// Generates an extmap line from RTCRtpHeaderExtensionParameters or\n// RTCRtpHeaderExtension.\nSDPUtils.writeExtmap = function(headerExtension) {\n  return 'a=extmap:' + (headerExtension.id || headerExtension.preferredId) +\n      (headerExtension.direction && headerExtension.direction !== 'sendrecv'\n        ? '/' + headerExtension.direction\n        : '') +\n      ' ' + headerExtension.uri +\n      (headerExtension.attributes ? ' ' + headerExtension.attributes : '') +\n      '\\r\\n';\n};\n\n// Parses a fmtp line, returns dictionary. Sample input:\n// a=fmtp:96 vbr=on;cng=on\n// Also deals with vbr=on; cng=on\nSDPUtils.parseFmtp = function(line) {\n  const parsed = {};\n  let kv;\n  const parts = line.substring(line.indexOf(' ') + 1).split(';');\n  for (let j = 0; j < parts.length; j++) {\n    kv = parts[j].trim().split('=');\n    parsed[kv[0].trim()] = kv[1];\n  }\n  return parsed;\n};\n\n// Generates a fmtp line from RTCRtpCodecCapability or RTCRtpCodecParameters.\nSDPUtils.writeFmtp = function(codec) {\n  let line = '';\n  let pt = codec.payloadType;\n  if (codec.preferredPayloadType !== undefined) {\n    pt = codec.preferredPayloadType;\n  }\n  if (codec.parameters && Object.keys(codec.parameters).length) {\n    const params = [];\n    Object.keys(codec.parameters).forEach(param => {\n      if (codec.parameters[param] !== undefined) {\n        params.push(param + '=' + codec.parameters[param]);\n      } else {\n        params.push(param);\n      }\n    });\n    line += 'a=fmtp:' + pt + ' ' + params.join(';') + '\\r\\n';\n  }\n  return line;\n};\n\n// Parses a rtcp-fb line, returns RTCPRtcpFeedback object. Sample input:\n// a=rtcp-fb:98 nack rpsi\nSDPUtils.parseRtcpFb = function(line) {\n  const parts = line.substring(line.indexOf(' ') + 1).split(' ');\n  return {\n    type: parts.shift(),\n    parameter: parts.join(' '),\n  };\n};\n\n// Generate a=rtcp-fb lines from RTCRtpCodecCapability or RTCRtpCodecParameters.\nSDPUtils.writeRtcpFb = function(codec) {\n  let lines = '';\n  let pt = codec.payloadType;\n  if (codec.preferredPayloadType !== undefined) {\n    pt = codec.preferredPayloadType;\n  }\n  if (codec.rtcpFeedback && codec.rtcpFeedback.length) {\n    // FIXME: special handling for trr-int?\n    codec.rtcpFeedback.forEach(fb => {\n      lines += 'a=rtcp-fb:' + pt + ' ' + fb.type +\n      (fb.parameter && fb.parameter.length ? ' ' + fb.parameter : '') +\n          '\\r\\n';\n    });\n  }\n  return lines;\n};\n\n// Parses a RFC 5576 ssrc media attribute. Sample input:\n// a=ssrc:3735928559 cname:something\nSDPUtils.parseSsrcMedia = function(line) {\n  const sp = line.indexOf(' ');\n  const parts = {\n    ssrc: parseInt(line.substring(7, sp), 10),\n  };\n  const colon = line.indexOf(':', sp);\n  if (colon > -1) {\n    parts.attribute = line.substring(sp + 1, colon);\n    parts.value = line.substring(colon + 1);\n  } else {\n    parts.attribute = line.substring(sp + 1);\n  }\n  return parts;\n};\n\n// Parse a ssrc-group line (see RFC 5576). Sample input:\n// a=ssrc-group:semantics 12 34\nSDPUtils.parseSsrcGroup = function(line) {\n  const parts = line.substring(13).split(' ');\n  return {\n    semantics: parts.shift(),\n    ssrcs: parts.map(ssrc => parseInt(ssrc, 10)),\n  };\n};\n\n// Extracts the MID (RFC 5888) from a media section.\n// Returns the MID or undefined if no mid line was found.\nSDPUtils.getMid = function(mediaSection) {\n  const mid = SDPUtils.matchPrefix(mediaSection, 'a=mid:')[0];\n  if (mid) {\n    return mid.substring(6);\n  }\n};\n\n// Parses a fingerprint line for DTLS-SRTP.\nSDPUtils.parseFingerprint = function(line) {\n  const parts = line.substring(14).split(' ');\n  return {\n    algorithm: parts[0].toLowerCase(), // algorithm is case-sensitive in Edge.\n    value: parts[1].toUpperCase(), // the definition is upper-case in RFC 4572.\n  };\n};\n\n// Extracts DTLS parameters from SDP media section or sessionpart.\n// FIXME: for consistency with other functions this should only\n//   get the fingerprint line as input. See also getIceParameters.\nSDPUtils.getDtlsParameters = function(mediaSection, sessionpart) {\n  const lines = SDPUtils.matchPrefix(mediaSection + sessionpart,\n    'a=fingerprint:');\n  // Note: a=setup line is ignored since we use the 'auto' role in Edge.\n  return {\n    role: 'auto',\n    fingerprints: lines.map(SDPUtils.parseFingerprint),\n  };\n};\n\n// Serializes DTLS parameters to SDP.\nSDPUtils.writeDtlsParameters = function(params, setupType) {\n  let sdp = 'a=setup:' + setupType + '\\r\\n';\n  params.fingerprints.forEach(fp => {\n    sdp += 'a=fingerprint:' + fp.algorithm + ' ' + fp.value + '\\r\\n';\n  });\n  return sdp;\n};\n\n// Parses a=crypto lines into\n//   https://rawgit.com/aboba/edgertc/master/msortc-rs4.html#dictionary-rtcsrtpsdesparameters-members\nSDPUtils.parseCryptoLine = function(line) {\n  const parts = line.substring(9).split(' ');\n  return {\n    tag: parseInt(parts[0], 10),\n    cryptoSuite: parts[1],\n    keyParams: parts[2],\n    sessionParams: parts.slice(3),\n  };\n};\n\nSDPUtils.writeCryptoLine = function(parameters) {\n  return 'a=crypto:' + parameters.tag + ' ' +\n    parameters.cryptoSuite + ' ' +\n    (typeof parameters.keyParams === 'object'\n      ? SDPUtils.writeCryptoKeyParams(parameters.keyParams)\n      : parameters.keyParams) +\n    (parameters.sessionParams ? ' ' + parameters.sessionParams.join(' ') : '') +\n    '\\r\\n';\n};\n\n// Parses the crypto key parameters into\n//   https://rawgit.com/aboba/edgertc/master/msortc-rs4.html#rtcsrtpkeyparam*\nSDPUtils.parseCryptoKeyParams = function(keyParams) {\n  if (keyParams.indexOf('inline:') !== 0) {\n    return null;\n  }\n  const parts = keyParams.substring(7).split('|');\n  return {\n    keyMethod: 'inline',\n    keySalt: parts[0],\n    lifeTime: parts[1],\n    mkiValue: parts[2] ? parts[2].split(':')[0] : undefined,\n    mkiLength: parts[2] ? parts[2].split(':')[1] : undefined,\n  };\n};\n\nSDPUtils.writeCryptoKeyParams = function(keyParams) {\n  return keyParams.keyMethod + ':'\n    + keyParams.keySalt +\n    (keyParams.lifeTime ? '|' + keyParams.lifeTime : '') +\n    (keyParams.mkiValue && keyParams.mkiLength\n      ? '|' + keyParams.mkiValue + ':' + keyParams.mkiLength\n      : '');\n};\n\n// Extracts all SDES parameters.\nSDPUtils.getCryptoParameters = function(mediaSection, sessionpart) {\n  const lines = SDPUtils.matchPrefix(mediaSection + sessionpart,\n    'a=crypto:');\n  return lines.map(SDPUtils.parseCryptoLine);\n};\n\n// Parses ICE information from SDP media section or sessionpart.\n// FIXME: for consistency with other functions this should only\n//   get the ice-ufrag and ice-pwd lines as input.\nSDPUtils.getIceParameters = function(mediaSection, sessionpart) {\n  const ufrag = SDPUtils.matchPrefix(mediaSection + sessionpart,\n    'a=ice-ufrag:')[0];\n  const pwd = SDPUtils.matchPrefix(mediaSection + sessionpart,\n    'a=ice-pwd:')[0];\n  if (!(ufrag && pwd)) {\n    return null;\n  }\n  return {\n    usernameFragment: ufrag.substring(12),\n    password: pwd.substring(10),\n  };\n};\n\n// Serializes ICE parameters to SDP.\nSDPUtils.writeIceParameters = function(params) {\n  let sdp = 'a=ice-ufrag:' + params.usernameFragment + '\\r\\n' +\n      'a=ice-pwd:' + params.password + '\\r\\n';\n  if (params.iceLite) {\n    sdp += 'a=ice-lite\\r\\n';\n  }\n  return sdp;\n};\n\n// Parses the SDP media section and returns RTCRtpParameters.\nSDPUtils.parseRtpParameters = function(mediaSection) {\n  const description = {\n    codecs: [],\n    headerExtensions: [],\n    fecMechanisms: [],\n    rtcp: [],\n  };\n  const lines = SDPUtils.splitLines(mediaSection);\n  const mline = lines[0].split(' ');\n  description.profile = mline[2];\n  for (let i = 3; i < mline.length; i++) { // find all codecs from mline[3..]\n    const pt = mline[i];\n    const rtpmapline = SDPUtils.matchPrefix(\n      mediaSection, 'a=rtpmap:' + pt + ' ')[0];\n    if (rtpmapline) {\n      const codec = SDPUtils.parseRtpMap(rtpmapline);\n      const fmtps = SDPUtils.matchPrefix(\n        mediaSection, 'a=fmtp:' + pt + ' ');\n      // Only the first a=fmtp:<pt> is considered.\n      codec.parameters = fmtps.length ? SDPUtils.parseFmtp(fmtps[0]) : {};\n      codec.rtcpFeedback = SDPUtils.matchPrefix(\n        mediaSection, 'a=rtcp-fb:' + pt + ' ')\n        .map(SDPUtils.parseRtcpFb);\n      description.codecs.push(codec);\n      // parse FEC mechanisms from rtpmap lines.\n      switch (codec.name.toUpperCase()) {\n        case 'RED':\n        case 'ULPFEC':\n          description.fecMechanisms.push(codec.name.toUpperCase());\n          break;\n        default: // only RED and ULPFEC are recognized as FEC mechanisms.\n          break;\n      }\n    }\n  }\n  SDPUtils.matchPrefix(mediaSection, 'a=extmap:').forEach(line => {\n    description.headerExtensions.push(SDPUtils.parseExtmap(line));\n  });\n  const wildcardRtcpFb = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-fb:* ')\n    .map(SDPUtils.parseRtcpFb);\n  description.codecs.forEach(codec => {\n    wildcardRtcpFb.forEach(fb=> {\n      const duplicate = codec.rtcpFeedback.find(existingFeedback => {\n        return existingFeedback.type === fb.type &&\n          existingFeedback.parameter === fb.parameter;\n      });\n      if (!duplicate) {\n        codec.rtcpFeedback.push(fb);\n      }\n    });\n  });\n  // FIXME: parse rtcp.\n  return description;\n};\n\n// Generates parts of the SDP media section describing the capabilities /\n// parameters.\nSDPUtils.writeRtpDescription = function(kind, caps) {\n  let sdp = '';\n\n  // Build the mline.\n  sdp += 'm=' + kind + ' ';\n  sdp += caps.codecs.length > 0 ? '9' : '0'; // reject if no codecs.\n  sdp += ' ' + (caps.profile || 'UDP/TLS/RTP/SAVPF') + ' ';\n  sdp += caps.codecs.map(codec => {\n    if (codec.preferredPayloadType !== undefined) {\n      return codec.preferredPayloadType;\n    }\n    return codec.payloadType;\n  }).join(' ') + '\\r\\n';\n\n  sdp += 'c=IN IP4 0.0.0.0\\r\\n';\n  sdp += 'a=rtcp:9 IN IP4 0.0.0.0\\r\\n';\n\n  // Add a=rtpmap lines for each codec. Also fmtp and rtcp-fb.\n  caps.codecs.forEach(codec => {\n    sdp += SDPUtils.writeRtpMap(codec);\n    sdp += SDPUtils.writeFmtp(codec);\n    sdp += SDPUtils.writeRtcpFb(codec);\n  });\n  let maxptime = 0;\n  caps.codecs.forEach(codec => {\n    if (codec.maxptime > maxptime) {\n      maxptime = codec.maxptime;\n    }\n  });\n  if (maxptime > 0) {\n    sdp += 'a=maxptime:' + maxptime + '\\r\\n';\n  }\n\n  if (caps.headerExtensions) {\n    caps.headerExtensions.forEach(extension => {\n      sdp += SDPUtils.writeExtmap(extension);\n    });\n  }\n  // FIXME: write fecMechanisms.\n  return sdp;\n};\n\n// Parses the SDP media section and returns an array of\n// RTCRtpEncodingParameters.\nSDPUtils.parseRtpEncodingParameters = function(mediaSection) {\n  const encodingParameters = [];\n  const description = SDPUtils.parseRtpParameters(mediaSection);\n  const hasRed = description.fecMechanisms.indexOf('RED') !== -1;\n  const hasUlpfec = description.fecMechanisms.indexOf('ULPFEC') !== -1;\n\n  // filter a=ssrc:... cname:, ignore PlanB-msid\n  const ssrcs = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')\n    .map(line => SDPUtils.parseSsrcMedia(line))\n    .filter(parts => parts.attribute === 'cname');\n  const primarySsrc = ssrcs.length > 0 && ssrcs[0].ssrc;\n  let secondarySsrc;\n\n  const flows = SDPUtils.matchPrefix(mediaSection, 'a=ssrc-group:FID')\n    .map(line => {\n      const parts = line.substring(17).split(' ');\n      return parts.map(part => parseInt(part, 10));\n    });\n  if (flows.length > 0 && flows[0].length > 1 && flows[0][0] === primarySsrc) {\n    secondarySsrc = flows[0][1];\n  }\n\n  description.codecs.forEach(codec => {\n    if (codec.name.toUpperCase() === 'RTX' && codec.parameters.apt) {\n      let encParam = {\n        ssrc: primarySsrc,\n        codecPayloadType: parseInt(codec.parameters.apt, 10),\n      };\n      if (primarySsrc && secondarySsrc) {\n        encParam.rtx = {ssrc: secondarySsrc};\n      }\n      encodingParameters.push(encParam);\n      if (hasRed) {\n        encParam = JSON.parse(JSON.stringify(encParam));\n        encParam.fec = {\n          ssrc: primarySsrc,\n          mechanism: hasUlpfec ? 'red+ulpfec' : 'red',\n        };\n        encodingParameters.push(encParam);\n      }\n    }\n  });\n  if (encodingParameters.length === 0 && primarySsrc) {\n    encodingParameters.push({\n      ssrc: primarySsrc,\n    });\n  }\n\n  // we support both b=AS and b=TIAS but interpret AS as TIAS.\n  let bandwidth = SDPUtils.matchPrefix(mediaSection, 'b=');\n  if (bandwidth.length) {\n    if (bandwidth[0].indexOf('b=TIAS:') === 0) {\n      bandwidth = parseInt(bandwidth[0].substring(7), 10);\n    } else if (bandwidth[0].indexOf('b=AS:') === 0) {\n      // use formula from JSEP to convert b=AS to TIAS value.\n      bandwidth = parseInt(bandwidth[0].substring(5), 10) * 1000 * 0.95\n          - (50 * 40 * 8);\n    } else {\n      bandwidth = undefined;\n    }\n    encodingParameters.forEach(params => {\n      params.maxBitrate = bandwidth;\n    });\n  }\n  return encodingParameters;\n};\n\n// parses http://draft.ortc.org/#rtcrtcpparameters*\nSDPUtils.parseRtcpParameters = function(mediaSection) {\n  const rtcpParameters = {};\n\n  // Gets the first SSRC. Note that with RTX there might be multiple\n  // SSRCs.\n  const remoteSsrc = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')\n    .map(line => SDPUtils.parseSsrcMedia(line))\n    .filter(obj => obj.attribute === 'cname')[0];\n  if (remoteSsrc) {\n    rtcpParameters.cname = remoteSsrc.value;\n    rtcpParameters.ssrc = remoteSsrc.ssrc;\n  }\n\n  // Edge uses the compound attribute instead of reducedSize\n  // compound is !reducedSize\n  const rsize = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-rsize');\n  rtcpParameters.reducedSize = rsize.length > 0;\n  rtcpParameters.compound = rsize.length === 0;\n\n  // parses the rtcp-mux attrіbute.\n  // Note that Edge does not support unmuxed RTCP.\n  const mux = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-mux');\n  rtcpParameters.mux = mux.length > 0;\n\n  return rtcpParameters;\n};\n\nSDPUtils.writeRtcpParameters = function(rtcpParameters) {\n  let sdp = '';\n  if (rtcpParameters.reducedSize) {\n    sdp += 'a=rtcp-rsize\\r\\n';\n  }\n  if (rtcpParameters.mux) {\n    sdp += 'a=rtcp-mux\\r\\n';\n  }\n  if (rtcpParameters.ssrc !== undefined && rtcpParameters.cname) {\n    sdp += 'a=ssrc:' + rtcpParameters.ssrc +\n      ' cname:' + rtcpParameters.cname + '\\r\\n';\n  }\n  return sdp;\n};\n\n\n// parses either a=msid: or a=ssrc:... msid lines and returns\n// the id of the MediaStream and MediaStreamTrack.\nSDPUtils.parseMsid = function(mediaSection) {\n  let parts;\n  const spec = SDPUtils.matchPrefix(mediaSection, 'a=msid:');\n  if (spec.length === 1) {\n    parts = spec[0].substring(7).split(' ');\n    return {stream: parts[0], track: parts[1]};\n  }\n  const planB = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')\n    .map(line => SDPUtils.parseSsrcMedia(line))\n    .filter(msidParts => msidParts.attribute === 'msid');\n  if (planB.length > 0) {\n    parts = planB[0].value.split(' ');\n    return {stream: parts[0], track: parts[1]};\n  }\n};\n\n// SCTP\n// parses draft-ietf-mmusic-sctp-sdp-26 first and falls back\n// to draft-ietf-mmusic-sctp-sdp-05\nSDPUtils.parseSctpDescription = function(mediaSection) {\n  const mline = SDPUtils.parseMLine(mediaSection);\n  const maxSizeLine = SDPUtils.matchPrefix(mediaSection, 'a=max-message-size:');\n  let maxMessageSize;\n  if (maxSizeLine.length > 0) {\n    maxMessageSize = parseInt(maxSizeLine[0].substring(19), 10);\n  }\n  if (isNaN(maxMessageSize)) {\n    maxMessageSize = 65536;\n  }\n  const sctpPort = SDPUtils.matchPrefix(mediaSection, 'a=sctp-port:');\n  if (sctpPort.length > 0) {\n    return {\n      port: parseInt(sctpPort[0].substring(12), 10),\n      protocol: mline.fmt,\n      maxMessageSize,\n    };\n  }\n  const sctpMapLines = SDPUtils.matchPrefix(mediaSection, 'a=sctpmap:');\n  if (sctpMapLines.length > 0) {\n    const parts = sctpMapLines[0]\n      .substring(10)\n      .split(' ');\n    return {\n      port: parseInt(parts[0], 10),\n      protocol: parts[1],\n      maxMessageSize,\n    };\n  }\n};\n\n// SCTP\n// outputs the draft-ietf-mmusic-sctp-sdp-26 version that all browsers\n// support by now receiving in this format, unless we originally parsed\n// as the draft-ietf-mmusic-sctp-sdp-05 format (indicated by the m-line\n// protocol of DTLS/SCTP -- without UDP/ or TCP/)\nSDPUtils.writeSctpDescription = function(media, sctp) {\n  let output = [];\n  if (media.protocol !== 'DTLS/SCTP') {\n    output = [\n      'm=' + media.kind + ' 9 ' + media.protocol + ' ' + sctp.protocol + '\\r\\n',\n      'c=IN IP4 0.0.0.0\\r\\n',\n      'a=sctp-port:' + sctp.port + '\\r\\n',\n    ];\n  } else {\n    output = [\n      'm=' + media.kind + ' 9 ' + media.protocol + ' ' + sctp.port + '\\r\\n',\n      'c=IN IP4 0.0.0.0\\r\\n',\n      'a=sctpmap:' + sctp.port + ' ' + sctp.protocol + ' 65535\\r\\n',\n    ];\n  }\n  if (sctp.maxMessageSize !== undefined) {\n    output.push('a=max-message-size:' + sctp.maxMessageSize + '\\r\\n');\n  }\n  return output.join('');\n};\n\n// Generate a session ID for SDP.\n// https://tools.ietf.org/html/draft-ietf-rtcweb-jsep-20#section-5.2.1\n// recommends using a cryptographically random +ve 64-bit value\n// but right now this should be acceptable and within the right range\nSDPUtils.generateSessionId = function() {\n  return Math.random().toString().substr(2, 22);\n};\n\n// Write boiler plate for start of SDP\n// sessId argument is optional - if not supplied it will\n// be generated randomly\n// sessVersion is optional and defaults to 2\n// sessUser is optional and defaults to 'thisisadapterortc'\nSDPUtils.writeSessionBoilerplate = function(sessId, sessVer, sessUser) {\n  let sessionId;\n  const version = sessVer !== undefined ? sessVer : 2;\n  if (sessId) {\n    sessionId = sessId;\n  } else {\n    sessionId = SDPUtils.generateSessionId();\n  }\n  const user = sessUser || 'thisisadapterortc';\n  // FIXME: sess-id should be an NTP timestamp.\n  return 'v=0\\r\\n' +\n      'o=' + user + ' ' + sessionId + ' ' + version +\n        ' IN IP4 127.0.0.1\\r\\n' +\n      's=-\\r\\n' +\n      't=0 0\\r\\n';\n};\n\n// Gets the direction from the mediaSection or the sessionpart.\nSDPUtils.getDirection = function(mediaSection, sessionpart) {\n  // Look for sendrecv, sendonly, recvonly, inactive, default to sendrecv.\n  const lines = SDPUtils.splitLines(mediaSection);\n  for (let i = 0; i < lines.length; i++) {\n    switch (lines[i]) {\n      case 'a=sendrecv':\n      case 'a=sendonly':\n      case 'a=recvonly':\n      case 'a=inactive':\n        return lines[i].substring(2);\n      default:\n        // FIXME: What should happen here?\n    }\n  }\n  if (sessionpart) {\n    return SDPUtils.getDirection(sessionpart);\n  }\n  return 'sendrecv';\n};\n\nSDPUtils.getKind = function(mediaSection) {\n  const lines = SDPUtils.splitLines(mediaSection);\n  const mline = lines[0].split(' ');\n  return mline[0].substring(2);\n};\n\nSDPUtils.isRejected = function(mediaSection) {\n  return mediaSection.split(' ', 2)[1] === '0';\n};\n\nSDPUtils.parseMLine = function(mediaSection) {\n  const lines = SDPUtils.splitLines(mediaSection);\n  const parts = lines[0].substring(2).split(' ');\n  return {\n    kind: parts[0],\n    port: parseInt(parts[1], 10),\n    protocol: parts[2],\n    fmt: parts.slice(3).join(' '),\n  };\n};\n\nSDPUtils.parseOLine = function(mediaSection) {\n  const line = SDPUtils.matchPrefix(mediaSection, 'o=')[0];\n  const parts = line.substring(2).split(' ');\n  return {\n    username: parts[0],\n    sessionId: parts[1],\n    sessionVersion: parseInt(parts[2], 10),\n    netType: parts[3],\n    addressType: parts[4],\n    address: parts[5],\n  };\n};\n\n// a very naive interpretation of a valid SDP.\nSDPUtils.isValidSDP = function(blob) {\n  if (typeof blob !== 'string' || blob.length === 0) {\n    return false;\n  }\n  const lines = SDPUtils.splitLines(blob);\n  for (let i = 0; i < lines.length; i++) {\n    if (lines[i].length < 2 || lines[i].charAt(1) !== '=') {\n      return false;\n    }\n    // TODO: check the modifier a bit more.\n  }\n  return true;\n};\n\n// Expose public methods.\nif (typeof module === 'object') {\n  module.exports = SDPUtils;\n}\n","import EventTarget from \"./EventTarget\";\nimport MWSE from \"./index\";\nimport Peer from \"./Peer\";\nimport { RoomInfo } from \"./RoomInfo\";\n\nexport interface IRoomOptions\n{\n    name: string;\n    description?:string;\n    joinType: \"free\"|\"invite\"|\"password\"|\"lock\";\n    credential?: string;\n    ifexistsJoin?: boolean;\n    accessType?: \"public\"|\"private\";\n    notifyActionInvite?: boolean;\n    notifyActionJoined?: boolean;\n    notifyActionEjected?: boolean;\n    autoFetchInfo?:boolean\n}\n\n\nexport default class Room extends EventTarget\n{\n    public mwse : MWSE;\n    public options! : IRoomOptions;\n    public roomId? : string;\n    public accessType? : \"public\"|\"private\";\n    public description? : string;\n    public joinType? : \"free\"|\"invite\"|\"password\"|\"lock\";\n    public name? : string;\n    public owner? : string;\n    public peers : Map<string,Peer> = new Map();\n    public info : RoomInfo;\n\n    constructor(wsts:MWSE){\n        super();\n        this.mwse = wsts;\n        this.info = new RoomInfo(this);\n    }\n    public setRoomOptions(options : IRoomOptions | string)\n    {\n        if(typeof options == \"string\")\n        {\n            this.roomId = options;\n        }else{\n            let defaultOptions = {\n                joinType: \"free\",\n                ifexistsJoin: true,\n                accessType: \"private\",\n                notifyActionInvite: true,\n                notifyActionJoined: true,\n                notifyActionEjected: true,\n                autoFetchInfo: true\n            };\n            Object.assign(defaultOptions,options);\n            this.options = defaultOptions as IRoomOptions;\n        }\n    }\n    \n    setRoomId(uuid: string){\n        this.roomId = uuid;\n    }\n    async createRoom(roomOptions : IRoomOptions){\n        let options = this.options ||  roomOptions;\n        let result = await this.mwse.EventPooling.request({\n            type:'create-room',\n            ...options\n        });\n        if(result.status == 'fail')\n        {\n            if(result.message == \"ALREADY-EXISTS\" && this.options.ifexistsJoin)\n            {\n                return this.join();\n            }\n            throw new Error(result.message || result.messages);\n        }else{\n            this.options = {\n                ...this.options,\n                ...result.room\n            };\n            this.roomId = result.room.id;\n            this.mwse.rooms.set(this.roomId as string, this);\n        }\n    }\n    async join(){\n        let result = await this.mwse.EventPooling.request({\n            type:'joinroom',\n            name: this.options.name,\n            credential: this.options.credential,\n            autoFetchInfo: this.options.autoFetchInfo || false\n        });\n        if(result.status == 'fail')\n        {\n            throw new Error(result.message);\n        }else{\n            this.options = {\n                ...this.options,\n                ...result.room\n            };\n            if(result.info)\n            {\n                this.info.info = result.info;\n            };\n            this.roomId = result.room.id;\n            this.mwse.rooms.set(this.roomId as string, this);\n        }\n    }\n    async eject(){\n        let {type} = await this.mwse.EventPooling.request({\n            type:'ejectroom',\n            roomId: this.roomId\n        });\n        this.peers.clear();\n        if(type == 'success')\n        {\n            this.mwse.rooms.delete(this.roomId as string);\n        }\n    }\n    async send(pack: any, wom:boolean = false){\n        if(!this.mwse.writable){\n            return console.warn(\"Socket is not writable\");\n        }\n        await this.mwse.EventPooling.request({\n            type:'pack/room',\n            pack,\n            to: this.roomId,\n            wom\n        });\n    }\n    async fetchPeers(filter?:{[key:string]:any}, onlyNumber:boolean = false) : Promise<Number | Peer[]>\n    {\n        if(onlyNumber)\n        {\n            let {count} = await this.mwse.EventPooling.request({\n                type:'room/peer-count',\n                roomId: this.roomId,\n                filter: filter || {}\n            }) as {count:Number};\n            return count;\n        }else{\n            let {status, peers} = await this.mwse.EventPooling.request({\n                type:'room-peers',\n                roomId: this.roomId,\n                filter: filter || {}\n            }) as {status:\"success\"|\"fail\", peers: string[]};\n    \n            let cup : Peer[] = [];\n    \n            if(status == 'fail')\n            {\n                throw new Error(\"Cant using peers on room\")\n            }else if(status == 'success'){\n                for (const peerid of peers) {\n                    let peer = this.mwse.peer(peerid);\n                    cup.push(peer);\n                    this.peers.set(peerid, peer);\n                }\n            };\n            return cup;\n        }\n    }\n}","import Room from \"./Room\";\n\nexport class RoomInfo\n{\n    public room : Room;\n    public info : {[key:string]: any} = {};\n    constructor(room : Room){\n        this.room = room;\n        this.room.on('updateinfo',(name:string,value:any) => {\n            this.info[name] = value;\n        })\n    };\n    public async fetch(name?:string)\n    {\n        if(name)\n        {\n            let rinfo = await this.room.mwse.EventPooling.request(({\n                type: \"room/getinfo\",\n                roomId: this.room.roomId,\n                name\n            }));\n            if(rinfo.status == \"success\")\n            {\n                this.info = rinfo.value;\n            }else console.warn(rinfo.message);\n        }else{\n            let rinfo = await this.room.mwse.EventPooling.request(({\n                type: \"room/info\",\n                roomId: this.room.roomId\n            }));\n            if(rinfo.status == \"success\")\n            {\n                this.info = rinfo.value;\n            }else console.warn(rinfo.message);\n        };\n        return this.info;\n    }\n    public set(name: string, value: string | number)\n    {\n        this.info[name] = value;\n        this.room.mwse.WSTSProtocol.SendOnly({\n            type: \"room/setinfo\",\n            roomId: this.room.roomId,\n            name,\n            value\n        });\n    }\n    public get(name?:string)\n    {\n        return name ? this.info[name] : this.info;\n    }\n}","import MWSE from \"./index\";\n\nexport interface Message {\n    [key:string|number]:any;\n}\nexport default class WSTSProtocol\n{\n    public mwse : MWSE;\n    constructor(wsts:MWSE){\n        this.mwse = wsts;\n        this.addListener();\n    }\n    public addListener()\n    {\n        this.mwse.server?.onRecaivePack((pack)=>{\n            this.PackAnalyze(pack)\n        })\n    }\n    public SendRaw(pack: Message)\n    {\n        this.mwse.server.tranferToServer(pack);\n    }\n    public SendOnly(pack: Message)\n    {\n        this.mwse.server.tranferToServer([pack,'R']);\n    }\n    public SendRequest(pack: Message, id: number)\n    {\n        this.mwse.server.tranferToServer([pack, id, 'R']);\n    }\n    public StartStream(pack: Message, id: number)\n    {\n        this.mwse.server.tranferToServer([pack, id, 'S']);\n    }\n    public PackAnalyze(data:any)\n    {\n        let [payload, id, action] = data;\n        if(typeof id === 'number')\n        {\n            let callback = this.mwse.EventPooling.events.get(id);\n            if(callback)\n            {\n                callback[0](payload, action);\n                switch(action)\n                {\n                    case 'E':{  // [E]ND flag\n                        this.mwse.EventPooling.events.delete(id);\n                        break;\n                    }\n                    case 'S':  // [S]TREAM flag\n                    default:{\n                        break;\n                    }\n                }\n            }else console.warn(\"Missing event sended from server\");\n        }else{\n            let signals = this.mwse.EventPooling.signals.get(id);\n            if(signals)\n            {\n                for (const callback of signals) {\n                    callback(payload);\n                }\n            }else console.warn(\"Missing event sended from server\");\n        }\n    }\n}"],"names":[],"version":3,"file":"index.js.map","sourceRoot":"../"}
\ No newline at end of file
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=> {\n\nfunction $parcel$export(e, n, v, s) {\n  Object.defineProperty(e, n, {get: v, set: s, enumerable: true, configurable: true});\n}\n\nfunction $parcel$interopDefault(a) {\n  return a && a.__esModule ? a.default : a;\n}\nclass $201ddc79d766b86c$export$98b66c25bb38499d {\n    ws;\n    endpoint;\n    autoPair = false;\n    connected = false;\n    autoReconnect = true;\n    autoReconnectTimeout = 3000;\n    autoReconnectTimer;\n    constructor(options){\n        this.endpoint = new URL(options.endpoint);\n        if (typeof options.autoReconnect == \"boolean\") this.autoReconnect = true;\n        else if (options.autoReconnect) {\n            this.autoReconnect = true;\n            this.autoReconnectTimeout = options.autoReconnect.timeout;\n        }\n    }\n    connect() {\n        if (this.autoReconnectTimer) clearTimeout(this.autoReconnectTimer);\n        this.ws = new WebSocket(this.endpoint.href);\n        this.addWSEvents();\n    }\n    disconnect() {\n        this.ws.close();\n    }\n    addWSEvents() {\n        this.ws.addEventListener(\"open\", ()=>this.eventOpen());\n        this.ws.addEventListener(\"close\", ()=>this.eventClose());\n        this.ws.addEventListener(\"error\", ()=>this.eventError());\n        this.ws.addEventListener(\"message\", ({ data: data })=>this.eventMessage(data));\n    }\n    eventOpen() {\n        this.connected = true;\n        for (const callback of this.activeConnectionEvent)callback(void 0);\n    }\n    eventClose() {\n        this.connected = false;\n        if (this.autoReconnect) this.autoReconnectTimer = setTimeout(()=>this.connect(), this.autoReconnectTimeout);\n    }\n    eventError() {\n        this.connected = false;\n    }\n    recaivePackEvent = [];\n    onRecaivePack(func) {\n        this.recaivePackEvent.push(func);\n    }\n    activeConnectionEvent = [];\n    onActive(func) {\n        if (this.connected) func();\n        else this.activeConnectionEvent.push(func);\n    }\n    eventMessage(data) {\n        if (typeof data == \"string\") {\n            let $data = JSON.parse(data);\n            for (const callback of this.recaivePackEvent)callback($data);\n        }\n    }\n    tranferToServer(data) {\n        if (this.connected) this.ws.send(JSON.stringify(data));\n    }\n}\n\n\nclass $7bc29f3852fca8a1$export$2e2bcd8739ae039 {\n    wsts;\n    events = new Map();\n    signals = new Map();\n    requests = new Map();\n    count = 0;\n    constructor(wsts){\n        this.wsts = wsts;\n    }\n    request(msg) {\n        return new Promise((ok, rej)=>{\n            let id = ++this.count;\n            this.wsts.WSTSProtocol.SendRequest(msg, id);\n            this.events.set(id, [\n                (data)=>{\n                    ok(data);\n                },\n                (data)=>{\n                    rej(data);\n                }\n            ]);\n        });\n    }\n    stream(msg, callback) {\n        let id = ++this.count;\n        this.wsts.WSTSProtocol.StartStream(msg, id);\n        this.events.set(id, [\n            (data)=>{\n                callback(data);\n            },\n            ()=>{}\n        ]);\n    }\n    signal(event, callback) {\n        let T = this.signals.get(event);\n        if (!T) this.signals.set(event, [\n            callback\n        ]);\n        else T.push(callback);\n    }\n}\n\n\nclass $639a7a490074f3f2$export$2e2bcd8739ae039 {\n    events = {};\n    emit(eventName, ...args) {\n        if (this.events[eventName]) for (const callback of this.events[eventName])callback(...args);\n    }\n    on(eventName, callback) {\n        if (this.events[eventName]) this.events[eventName].push(callback);\n        else this.events[eventName] = [\n            callback\n        ];\n    }\n    activeScope = false;\n    scope(f) {\n        if (this.activeScope) f();\n        else this.on(\"scope\", f);\n    }\n}\n\n\nclass $707287ab76ae8d6a$export$cd59d3e68ede65a1 {\n    mwse;\n    APNumber;\n    APShortCode;\n    APIPAddress;\n    constructor(mwse){\n        this.mwse = mwse;\n    }\n    async allocAPIPAddress() {\n        let { status: status, ip: ip } = await this.mwse.EventPooling.request({\n            type: \"alloc/APIPAddress\"\n        });\n        if (status == \"success\") {\n            this.APIPAddress = ip;\n            return ip;\n        } else throw new Error(\"Error Allocated Access Point IP Address\");\n    }\n    async allocAPNumber() {\n        let { status: status, number: number } = await this.mwse.EventPooling.request({\n            type: \"alloc/APNumber\"\n        });\n        if (status == \"success\") {\n            this.APNumber = number;\n            return number;\n        } else throw new Error(\"Error Allocated Access Point Number\");\n    }\n    async allocAPShortCode() {\n        let { status: status, code: code } = await this.mwse.EventPooling.request({\n            type: \"alloc/APShortCode\"\n        });\n        if (status == \"success\") {\n            this.APShortCode = code;\n            return code;\n        } else throw new Error(\"Error Allocated Access Point Short Code\");\n    }\n    async reallocAPIPAddress() {\n        let { status: status, ip: ip } = await this.mwse.EventPooling.request({\n            type: \"realloc/APIPAddress\"\n        });\n        if (status == \"success\") {\n            this.APIPAddress = ip;\n            return ip;\n        } else throw new Error(\"Error Reallocated Access Point IP Address\");\n    }\n    async reallocAPNumber() {\n        let { status: status, number: number } = await this.mwse.EventPooling.request({\n            type: \"realloc/APNumber\"\n        });\n        if (status == \"success\") {\n            this.APNumber = number;\n            return number;\n        } else throw new Error(\"Error Reallocated Access Point Number\");\n    }\n    async reallocAPShortCode() {\n        let { status: status, code: code } = await this.mwse.EventPooling.request({\n            type: \"realloc/APShortCode\"\n        });\n        if (status == \"success\") {\n            this.APShortCode = code;\n            return code;\n        } else throw new Error(\"Error Reallocated Access Point Short Code\");\n    }\n    async releaseAPIPAddress() {\n        let { status: status } = await this.mwse.EventPooling.request({\n            type: \"release/APIPAddress\"\n        });\n        if (status == \"success\") this.APIPAddress = undefined;\n        else throw new Error(\"Error release Access Point IP Address\");\n    }\n    async releaseAPNumber() {\n        let { status: status } = await this.mwse.EventPooling.request({\n            type: \"release/APNumber\"\n        });\n        if (status == \"success\") this.APNumber = undefined;\n        else throw new Error(\"Error release Access Point Number\");\n    }\n    async releaseAPShortCode() {\n        let { status: status } = await this.mwse.EventPooling.request({\n            type: \"release/APShortCode\"\n        });\n        if (status == \"success\") this.APShortCode = undefined;\n        else throw new Error(\"Error release Access Point Short Code\");\n    }\n    async queryAPIPAddress(ip) {\n        let { status: status, socket: socket } = await this.mwse.EventPooling.request({\n            type: \"whois/APIPAddress\",\n            whois: ip\n        });\n        if (status == \"success\") return socket;\n        else return null;\n    }\n    async queryAPNumber(number) {\n        let { status: status, socket: socket } = await this.mwse.EventPooling.request({\n            type: \"whois/APNumber\",\n            whois: number\n        });\n        if (status == \"success\") return socket;\n        else return null;\n    }\n    async queryAPShortCode(code) {\n        let { status: status, socket: socket } = await this.mwse.EventPooling.request({\n            type: \"whois/APShortCode\",\n            whois: code\n        });\n        if (status == \"success\") return socket;\n        else return null;\n    }\n}\n\n\n\nclass $d7d20b916ab000fe$export$f3bd5f68ae16de {\n    peer;\n    info = {};\n    constructor(mwse){\n        this.peer = mwse;\n    }\n    async fetch(name) {\n        if (name) {\n            let rinfo = await this.peer.mwse.EventPooling.request({\n                type: \"peer/info\",\n                peer: this.peer.socketId,\n                name: name\n            });\n            if (rinfo.status == \"success\") this.info = rinfo.info;\n            else console.warn(rinfo.message);\n        } else {\n            let rinfo = await this.peer.mwse.EventPooling.request({\n                type: \"peer/info\",\n                peer: this.peer.socketId\n            });\n            if (rinfo.status == \"success\") this.info = rinfo.info;\n            else console.warn(rinfo.message);\n        }\n        return this.info;\n    }\n    set(name, value) {\n        this.info[name] = value;\n        this.peer.mwse.WSTSProtocol.SendOnly({\n            type: \"auth/info\",\n            name: name,\n            value: value\n        });\n    }\n    get(name) {\n        return name ? this.info[name] : this.info;\n    }\n}\n\n\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */ /* eslint-env node */ /*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */ /*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */ /* eslint-env node */ \"use strict\";\nlet $35583cf39f4111ff$var$logDisabled_ = true;\nlet $35583cf39f4111ff$var$deprecationWarnings_ = true;\nfunction $35583cf39f4111ff$export$e3c02be309be1f23(uastring, expr, pos) {\n    const match = uastring.match(expr);\n    return match && match.length >= pos && parseInt(match[pos], 10);\n}\nfunction $35583cf39f4111ff$export$1f48841962b828b1(window1, eventNameToWrap, wrapper) {\n    if (!window1.RTCPeerConnection) return;\n    const proto = window1.RTCPeerConnection.prototype;\n    const nativeAddEventListener = proto.addEventListener;\n    proto.addEventListener = function(nativeEventName, cb) {\n        if (nativeEventName !== eventNameToWrap) return nativeAddEventListener.apply(this, arguments);\n        const wrappedCallback = (e)=>{\n            const modifiedEvent = wrapper(e);\n            if (modifiedEvent) {\n                if (cb.handleEvent) cb.handleEvent(modifiedEvent);\n                else cb(modifiedEvent);\n            }\n        };\n        this._eventMap = this._eventMap || {};\n        if (!this._eventMap[eventNameToWrap]) this._eventMap[eventNameToWrap] = new Map();\n        this._eventMap[eventNameToWrap].set(cb, wrappedCallback);\n        return nativeAddEventListener.apply(this, [\n            nativeEventName,\n            wrappedCallback\n        ]);\n    };\n    const nativeRemoveEventListener = proto.removeEventListener;\n    proto.removeEventListener = function(nativeEventName, cb) {\n        if (nativeEventName !== eventNameToWrap || !this._eventMap || !this._eventMap[eventNameToWrap]) return nativeRemoveEventListener.apply(this, arguments);\n        if (!this._eventMap[eventNameToWrap].has(cb)) return nativeRemoveEventListener.apply(this, arguments);\n        const unwrappedCb = this._eventMap[eventNameToWrap].get(cb);\n        this._eventMap[eventNameToWrap].delete(cb);\n        if (this._eventMap[eventNameToWrap].size === 0) delete this._eventMap[eventNameToWrap];\n        if (Object.keys(this._eventMap).length === 0) delete this._eventMap;\n        return nativeRemoveEventListener.apply(this, [\n            nativeEventName,\n            unwrappedCb\n        ]);\n    };\n    Object.defineProperty(proto, \"on\" + eventNameToWrap, {\n        get () {\n            return this[\"_on\" + eventNameToWrap];\n        },\n        set (cb) {\n            if (this[\"_on\" + eventNameToWrap]) {\n                this.removeEventListener(eventNameToWrap, this[\"_on\" + eventNameToWrap]);\n                delete this[\"_on\" + eventNameToWrap];\n            }\n            if (cb) this.addEventListener(eventNameToWrap, this[\"_on\" + eventNameToWrap] = cb);\n        },\n        enumerable: true,\n        configurable: true\n    });\n}\nfunction $35583cf39f4111ff$export$afbfee8cc06fd3e4(bool) {\n    if (typeof bool !== \"boolean\") return new Error(\"Argument type: \" + typeof bool + \". Please use a boolean.\");\n    $35583cf39f4111ff$var$logDisabled_ = bool;\n    return bool ? \"adapter.js logging disabled\" : \"adapter.js logging enabled\";\n}\nfunction $35583cf39f4111ff$export$51516be4b019e41e(bool) {\n    if (typeof bool !== \"boolean\") return new Error(\"Argument type: \" + typeof bool + \". Please use a boolean.\");\n    $35583cf39f4111ff$var$deprecationWarnings_ = !bool;\n    return \"adapter.js deprecation warnings \" + (bool ? \"disabled\" : \"enabled\");\n}\nfunction $35583cf39f4111ff$export$bef1f36f5486a6a3() {\n    if (typeof window === \"object\") {\n        if ($35583cf39f4111ff$var$logDisabled_) return;\n        if (typeof console !== \"undefined\" && typeof console.log === \"function\") console.log.apply(console, arguments);\n    }\n}\nfunction $35583cf39f4111ff$export$cdd73fc4100a6ef4(oldMethod, newMethod) {\n    if (!$35583cf39f4111ff$var$deprecationWarnings_) return;\n    console.warn(oldMethod + \" is deprecated, please use \" + newMethod + \" instead.\");\n}\nfunction $35583cf39f4111ff$export$2d31490a0c05f094(window1) {\n    // Returned result object.\n    const result = {\n        browser: null,\n        version: null\n    };\n    // Fail early if it's not a browser\n    if (typeof window1 === \"undefined\" || !window1.navigator || !window1.navigator.userAgent) {\n        result.browser = \"Not a browser.\";\n        return result;\n    }\n    const { navigator: navigator } = window1;\n    if (navigator.mozGetUserMedia) {\n        result.browser = \"firefox\";\n        result.version = $35583cf39f4111ff$export$e3c02be309be1f23(navigator.userAgent, /Firefox\\/(\\d+)\\./, 1);\n    } else if (navigator.webkitGetUserMedia || window1.isSecureContext === false && window1.webkitRTCPeerConnection) {\n        // Chrome, Chromium, Webview, Opera.\n        // Version matches Chrome/WebRTC version.\n        // Chrome 74 removed webkitGetUserMedia on http as well so we need the\n        // more complicated fallback to webkitRTCPeerConnection.\n        result.browser = \"chrome\";\n        result.version = $35583cf39f4111ff$export$e3c02be309be1f23(navigator.userAgent, /Chrom(e|ium)\\/(\\d+)\\./, 2);\n    } else if (window1.RTCPeerConnection && navigator.userAgent.match(/AppleWebKit\\/(\\d+)\\./)) {\n        result.browser = \"safari\";\n        result.version = $35583cf39f4111ff$export$e3c02be309be1f23(navigator.userAgent, /AppleWebKit\\/(\\d+)\\./, 1);\n        result.supportsUnifiedPlan = window1.RTCRtpTransceiver && \"currentDirection\" in window1.RTCRtpTransceiver.prototype;\n    } else {\n        result.browser = \"Not a supported browser.\";\n        return result;\n    }\n    return result;\n}\n/**\n * Checks if something is an object.\n *\n * @param {*} val The something you want to check.\n * @return true if val is an object, false otherwise.\n */ function $35583cf39f4111ff$var$isObject(val) {\n    return Object.prototype.toString.call(val) === \"[object Object]\";\n}\nfunction $35583cf39f4111ff$export$15384eac40dc88c8(data) {\n    if (!$35583cf39f4111ff$var$isObject(data)) return data;\n    return Object.keys(data).reduce(function(accumulator, key) {\n        const isObj = $35583cf39f4111ff$var$isObject(data[key]);\n        const value = isObj ? $35583cf39f4111ff$export$15384eac40dc88c8(data[key]) : data[key];\n        const isEmptyObject = isObj && !Object.keys(value).length;\n        if (value === undefined || isEmptyObject) return accumulator;\n        return Object.assign(accumulator, {\n            [key]: value\n        });\n    }, {});\n}\nfunction $35583cf39f4111ff$export$571b373e75babb58(stats, base, resultSet) {\n    if (!base || resultSet.has(base.id)) return;\n    resultSet.set(base.id, base);\n    Object.keys(base).forEach((name)=>{\n        if (name.endsWith(\"Id\")) $35583cf39f4111ff$export$571b373e75babb58(stats, stats.get(base[name]), resultSet);\n        else if (name.endsWith(\"Ids\")) base[name].forEach((id)=>{\n            $35583cf39f4111ff$export$571b373e75babb58(stats, stats.get(id), resultSet);\n        });\n    });\n}\nfunction $35583cf39f4111ff$export$93439ffc3f787d51(result, track, outbound) {\n    const streamStatsType = outbound ? \"outbound-rtp\" : \"inbound-rtp\";\n    const filteredResult = new Map();\n    if (track === null) return filteredResult;\n    const trackStats = [];\n    result.forEach((value)=>{\n        if (value.type === \"track\" && value.trackIdentifier === track.id) trackStats.push(value);\n    });\n    trackStats.forEach((trackStat)=>{\n        result.forEach((stats)=>{\n            if (stats.type === streamStatsType && stats.trackId === trackStat.id) $35583cf39f4111ff$export$571b373e75babb58(result, stats, filteredResult);\n        });\n    });\n    return filteredResult;\n}\n\n\nvar $e3f02d0a98ccb0db$exports = {};\n\n$parcel$export($e3f02d0a98ccb0db$exports, \"shimMediaStream\", () => $e3f02d0a98ccb0db$export$33ee24e7a300bcd1);\n$parcel$export($e3f02d0a98ccb0db$exports, \"shimOnTrack\", () => $e3f02d0a98ccb0db$export$f358708f68ab068);\n$parcel$export($e3f02d0a98ccb0db$exports, \"shimGetSendersWithDtmf\", () => $e3f02d0a98ccb0db$export$a41a030a2842f5d6);\n$parcel$export($e3f02d0a98ccb0db$exports, \"shimGetStats\", () => $e3f02d0a98ccb0db$export$90608323826f0b17);\n$parcel$export($e3f02d0a98ccb0db$exports, \"shimSenderReceiverGetStats\", () => $e3f02d0a98ccb0db$export$f2f0f2338114eb4b);\n$parcel$export($e3f02d0a98ccb0db$exports, \"shimAddTrackRemoveTrackWithNative\", () => $e3f02d0a98ccb0db$export$30e3cdd46f8d5100);\n$parcel$export($e3f02d0a98ccb0db$exports, \"shimAddTrackRemoveTrack\", () => $e3f02d0a98ccb0db$export$9588259fcf4ebc91);\n$parcel$export($e3f02d0a98ccb0db$exports, \"shimPeerConnection\", () => $e3f02d0a98ccb0db$export$852a08dda9a55ea7);\n$parcel$export($e3f02d0a98ccb0db$exports, \"fixNegotiationNeeded\", () => $e3f02d0a98ccb0db$export$341293bbeaae37cb);\n$parcel$export($e3f02d0a98ccb0db$exports, \"shimGetUserMedia\", () => $3b9679f8ab9bc604$export$1ed4910f4d37dc5e);\n$parcel$export($e3f02d0a98ccb0db$exports, \"shimGetDisplayMedia\", () => $26c6446bf842b72e$export$97270b87351d9c04);\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */ /* eslint-env node */ \n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */ /* eslint-env node */ \n\"use strict\";\nconst $3b9679f8ab9bc604$var$logging = $35583cf39f4111ff$export$bef1f36f5486a6a3;\nfunction $3b9679f8ab9bc604$export$1ed4910f4d37dc5e(window, browserDetails) {\n    const navigator = window && window.navigator;\n    if (!navigator.mediaDevices) return;\n    const constraintsToChrome_ = function(c) {\n        if (typeof c !== \"object\" || c.mandatory || c.optional) return c;\n        const cc = {};\n        Object.keys(c).forEach((key)=>{\n            if (key === \"require\" || key === \"advanced\" || key === \"mediaSource\") return;\n            const r = typeof c[key] === \"object\" ? c[key] : {\n                ideal: c[key]\n            };\n            if (r.exact !== undefined && typeof r.exact === \"number\") r.min = r.max = r.exact;\n            const oldname_ = function(prefix, name) {\n                if (prefix) return prefix + name.charAt(0).toUpperCase() + name.slice(1);\n                return name === \"deviceId\" ? \"sourceId\" : name;\n            };\n            if (r.ideal !== undefined) {\n                cc.optional = cc.optional || [];\n                let oc = {};\n                if (typeof r.ideal === \"number\") {\n                    oc[oldname_(\"min\", key)] = r.ideal;\n                    cc.optional.push(oc);\n                    oc = {};\n                    oc[oldname_(\"max\", key)] = r.ideal;\n                    cc.optional.push(oc);\n                } else {\n                    oc[oldname_(\"\", key)] = r.ideal;\n                    cc.optional.push(oc);\n                }\n            }\n            if (r.exact !== undefined && typeof r.exact !== \"number\") {\n                cc.mandatory = cc.mandatory || {};\n                cc.mandatory[oldname_(\"\", key)] = r.exact;\n            } else [\n                \"min\",\n                \"max\"\n            ].forEach((mix)=>{\n                if (r[mix] !== undefined) {\n                    cc.mandatory = cc.mandatory || {};\n                    cc.mandatory[oldname_(mix, key)] = r[mix];\n                }\n            });\n        });\n        if (c.advanced) cc.optional = (cc.optional || []).concat(c.advanced);\n        return cc;\n    };\n    const shimConstraints_ = function(constraints, func) {\n        if (browserDetails.version >= 61) return func(constraints);\n        constraints = JSON.parse(JSON.stringify(constraints));\n        if (constraints && typeof constraints.audio === \"object\") {\n            const remap = function(obj, a, b) {\n                if (a in obj && !(b in obj)) {\n                    obj[b] = obj[a];\n                    delete obj[a];\n                }\n            };\n            constraints = JSON.parse(JSON.stringify(constraints));\n            remap(constraints.audio, \"autoGainControl\", \"googAutoGainControl\");\n            remap(constraints.audio, \"noiseSuppression\", \"googNoiseSuppression\");\n            constraints.audio = constraintsToChrome_(constraints.audio);\n        }\n        if (constraints && typeof constraints.video === \"object\") {\n            // Shim facingMode for mobile & surface pro.\n            let face = constraints.video.facingMode;\n            face = face && (typeof face === \"object\" ? face : {\n                ideal: face\n            });\n            const getSupportedFacingModeLies = browserDetails.version < 66;\n            if (face && (face.exact === \"user\" || face.exact === \"environment\" || face.ideal === \"user\" || face.ideal === \"environment\") && !(navigator.mediaDevices.getSupportedConstraints && navigator.mediaDevices.getSupportedConstraints().facingMode && !getSupportedFacingModeLies)) {\n                delete constraints.video.facingMode;\n                let matches;\n                if (face.exact === \"environment\" || face.ideal === \"environment\") matches = [\n                    \"back\",\n                    \"rear\"\n                ];\n                else if (face.exact === \"user\" || face.ideal === \"user\") matches = [\n                    \"front\"\n                ];\n                if (matches) // Look for matches in label, or use last cam for back (typical).\n                return navigator.mediaDevices.enumerateDevices().then((devices)=>{\n                    devices = devices.filter((d)=>d.kind === \"videoinput\");\n                    let dev = devices.find((d)=>matches.some((match)=>d.label.toLowerCase().includes(match)));\n                    if (!dev && devices.length && matches.includes(\"back\")) dev = devices[devices.length - 1]; // more likely the back cam\n                    if (dev) constraints.video.deviceId = face.exact ? {\n                        exact: dev.deviceId\n                    } : {\n                        ideal: dev.deviceId\n                    };\n                    constraints.video = constraintsToChrome_(constraints.video);\n                    $3b9679f8ab9bc604$var$logging(\"chrome: \" + JSON.stringify(constraints));\n                    return func(constraints);\n                });\n            }\n            constraints.video = constraintsToChrome_(constraints.video);\n        }\n        $3b9679f8ab9bc604$var$logging(\"chrome: \" + JSON.stringify(constraints));\n        return func(constraints);\n    };\n    const shimError_ = function(e) {\n        if (browserDetails.version >= 64) return e;\n        return {\n            name: ({\n                PermissionDeniedError: \"NotAllowedError\",\n                PermissionDismissedError: \"NotAllowedError\",\n                InvalidStateError: \"NotAllowedError\",\n                DevicesNotFoundError: \"NotFoundError\",\n                ConstraintNotSatisfiedError: \"OverconstrainedError\",\n                TrackStartError: \"NotReadableError\",\n                MediaDeviceFailedDueToShutdown: \"NotAllowedError\",\n                MediaDeviceKillSwitchOn: \"NotAllowedError\",\n                TabCaptureError: \"AbortError\",\n                ScreenCaptureError: \"AbortError\",\n                DeviceCaptureError: \"AbortError\"\n            })[e.name] || e.name,\n            message: e.message,\n            constraint: e.constraint || e.constraintName,\n            toString () {\n                return this.name + (this.message && \": \") + this.message;\n            }\n        };\n    };\n    const getUserMedia_ = function(constraints, onSuccess, onError) {\n        shimConstraints_(constraints, (c)=>{\n            navigator.webkitGetUserMedia(c, onSuccess, (e)=>{\n                if (onError) onError(shimError_(e));\n            });\n        });\n    };\n    navigator.getUserMedia = getUserMedia_.bind(navigator);\n    // Even though Chrome 45 has navigator.mediaDevices and a getUserMedia\n    // function which returns a Promise, it does not accept spec-style\n    // constraints.\n    if (navigator.mediaDevices.getUserMedia) {\n        const origGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);\n        navigator.mediaDevices.getUserMedia = function(cs) {\n            return shimConstraints_(cs, (c)=>origGetUserMedia(c).then((stream)=>{\n                    if (c.audio && !stream.getAudioTracks().length || c.video && !stream.getVideoTracks().length) {\n                        stream.getTracks().forEach((track)=>{\n                            track.stop();\n                        });\n                        throw new DOMException(\"\", \"NotFoundError\");\n                    }\n                    return stream;\n                }, (e)=>Promise.reject(shimError_(e))));\n        };\n    }\n}\n\n\n/*\n *  Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */ /* eslint-env node */ \"use strict\";\nfunction $26c6446bf842b72e$export$97270b87351d9c04(window, getSourceId) {\n    if (window.navigator.mediaDevices && \"getDisplayMedia\" in window.navigator.mediaDevices) return;\n    if (!window.navigator.mediaDevices) return;\n    // getSourceId is a function that returns a promise resolving with\n    // the sourceId of the screen/window/tab to be shared.\n    if (typeof getSourceId !== \"function\") {\n        console.error(\"shimGetDisplayMedia: getSourceId argument is not a function\");\n        return;\n    }\n    window.navigator.mediaDevices.getDisplayMedia = function getDisplayMedia(constraints) {\n        return getSourceId(constraints).then((sourceId)=>{\n            const widthSpecified = constraints.video && constraints.video.width;\n            const heightSpecified = constraints.video && constraints.video.height;\n            const frameRateSpecified = constraints.video && constraints.video.frameRate;\n            constraints.video = {\n                mandatory: {\n                    chromeMediaSource: \"desktop\",\n                    chromeMediaSourceId: sourceId,\n                    maxFrameRate: frameRateSpecified || 3\n                }\n            };\n            if (widthSpecified) constraints.video.mandatory.maxWidth = widthSpecified;\n            if (heightSpecified) constraints.video.mandatory.maxHeight = heightSpecified;\n            return window.navigator.mediaDevices.getUserMedia(constraints);\n        });\n    };\n}\n\n\n\"use strict\";\nfunction $e3f02d0a98ccb0db$export$33ee24e7a300bcd1(window) {\n    window.MediaStream = window.MediaStream || window.webkitMediaStream;\n}\nfunction $e3f02d0a98ccb0db$export$f358708f68ab068(window) {\n    if (typeof window === \"object\" && window.RTCPeerConnection && !(\"ontrack\" in window.RTCPeerConnection.prototype)) {\n        Object.defineProperty(window.RTCPeerConnection.prototype, \"ontrack\", {\n            get () {\n                return this._ontrack;\n            },\n            set (f) {\n                if (this._ontrack) this.removeEventListener(\"track\", this._ontrack);\n                this.addEventListener(\"track\", this._ontrack = f);\n            },\n            enumerable: true,\n            configurable: true\n        });\n        const origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;\n        window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {\n            if (!this._ontrackpoly) {\n                this._ontrackpoly = (e)=>{\n                    // onaddstream does not fire when a track is added to an existing\n                    // stream. But stream.onaddtrack is implemented so we use that.\n                    e.stream.addEventListener(\"addtrack\", (te)=>{\n                        let receiver;\n                        if (window.RTCPeerConnection.prototype.getReceivers) receiver = this.getReceivers().find((r)=>r.track && r.track.id === te.track.id);\n                        else receiver = {\n                            track: te.track\n                        };\n                        const event = new Event(\"track\");\n                        event.track = te.track;\n                        event.receiver = receiver;\n                        event.transceiver = {\n                            receiver: receiver\n                        };\n                        event.streams = [\n                            e.stream\n                        ];\n                        this.dispatchEvent(event);\n                    });\n                    e.stream.getTracks().forEach((track)=>{\n                        let receiver;\n                        if (window.RTCPeerConnection.prototype.getReceivers) receiver = this.getReceivers().find((r)=>r.track && r.track.id === track.id);\n                        else receiver = {\n                            track: track\n                        };\n                        const event = new Event(\"track\");\n                        event.track = track;\n                        event.receiver = receiver;\n                        event.transceiver = {\n                            receiver: receiver\n                        };\n                        event.streams = [\n                            e.stream\n                        ];\n                        this.dispatchEvent(event);\n                    });\n                };\n                this.addEventListener(\"addstream\", this._ontrackpoly);\n            }\n            return origSetRemoteDescription.apply(this, arguments);\n        };\n    } else // even if RTCRtpTransceiver is in window, it is only used and\n    // emitted in unified-plan. Unfortunately this means we need\n    // to unconditionally wrap the event.\n    $35583cf39f4111ff$export$1f48841962b828b1(window, \"track\", (e)=>{\n        if (!e.transceiver) Object.defineProperty(e, \"transceiver\", {\n            value: {\n                receiver: e.receiver\n            }\n        });\n        return e;\n    });\n}\nfunction $e3f02d0a98ccb0db$export$a41a030a2842f5d6(window) {\n    // Overrides addTrack/removeTrack, depends on shimAddTrackRemoveTrack.\n    if (typeof window === \"object\" && window.RTCPeerConnection && !(\"getSenders\" in window.RTCPeerConnection.prototype) && \"createDTMFSender\" in window.RTCPeerConnection.prototype) {\n        const shimSenderWithDtmf = function(pc, track) {\n            return {\n                track: track,\n                get dtmf () {\n                    if (this._dtmf === undefined) {\n                        if (track.kind === \"audio\") this._dtmf = pc.createDTMFSender(track);\n                        else this._dtmf = null;\n                    }\n                    return this._dtmf;\n                },\n                _pc: pc\n            };\n        };\n        // augment addTrack when getSenders is not available.\n        if (!window.RTCPeerConnection.prototype.getSenders) {\n            window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n                this._senders = this._senders || [];\n                return this._senders.slice(); // return a copy of the internal state.\n            };\n            const origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n            window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {\n                let sender = origAddTrack.apply(this, arguments);\n                if (!sender) {\n                    sender = shimSenderWithDtmf(this, track);\n                    this._senders.push(sender);\n                }\n                return sender;\n            };\n            const origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;\n            window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {\n                origRemoveTrack.apply(this, arguments);\n                const idx = this._senders.indexOf(sender);\n                if (idx !== -1) this._senders.splice(idx, 1);\n            };\n        }\n        const origAddStream = window.RTCPeerConnection.prototype.addStream;\n        window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n            this._senders = this._senders || [];\n            origAddStream.apply(this, [\n                stream\n            ]);\n            stream.getTracks().forEach((track)=>{\n                this._senders.push(shimSenderWithDtmf(this, track));\n            });\n        };\n        const origRemoveStream = window.RTCPeerConnection.prototype.removeStream;\n        window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n            this._senders = this._senders || [];\n            origRemoveStream.apply(this, [\n                stream\n            ]);\n            stream.getTracks().forEach((track)=>{\n                const sender = this._senders.find((s)=>s.track === track);\n                if (sender) this._senders.splice(this._senders.indexOf(sender), 1);\n            });\n        };\n    } else if (typeof window === \"object\" && window.RTCPeerConnection && \"getSenders\" in window.RTCPeerConnection.prototype && \"createDTMFSender\" in window.RTCPeerConnection.prototype && window.RTCRtpSender && !(\"dtmf\" in window.RTCRtpSender.prototype)) {\n        const origGetSenders = window.RTCPeerConnection.prototype.getSenders;\n        window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n            const senders = origGetSenders.apply(this, []);\n            senders.forEach((sender)=>sender._pc = this);\n            return senders;\n        };\n        Object.defineProperty(window.RTCRtpSender.prototype, \"dtmf\", {\n            get () {\n                if (this._dtmf === undefined) {\n                    if (this.track.kind === \"audio\") this._dtmf = this._pc.createDTMFSender(this.track);\n                    else this._dtmf = null;\n                }\n                return this._dtmf;\n            }\n        });\n    }\n}\nfunction $e3f02d0a98ccb0db$export$90608323826f0b17(window) {\n    if (!window.RTCPeerConnection) return;\n    const origGetStats = window.RTCPeerConnection.prototype.getStats;\n    window.RTCPeerConnection.prototype.getStats = function getStats() {\n        const [selector, onSucc, onErr] = arguments;\n        // If selector is a function then we are in the old style stats so just\n        // pass back the original getStats format to avoid breaking old users.\n        if (arguments.length > 0 && typeof selector === \"function\") return origGetStats.apply(this, arguments);\n        // When spec-style getStats is supported, return those when called with\n        // either no arguments or the selector argument is null.\n        if (origGetStats.length === 0 && (arguments.length === 0 || typeof selector !== \"function\")) return origGetStats.apply(this, []);\n        const fixChromeStats_ = function(response) {\n            const standardReport = {};\n            const reports = response.result();\n            reports.forEach((report)=>{\n                const standardStats = {\n                    id: report.id,\n                    timestamp: report.timestamp,\n                    type: {\n                        localcandidate: \"local-candidate\",\n                        remotecandidate: \"remote-candidate\"\n                    }[report.type] || report.type\n                };\n                report.names().forEach((name)=>{\n                    standardStats[name] = report.stat(name);\n                });\n                standardReport[standardStats.id] = standardStats;\n            });\n            return standardReport;\n        };\n        // shim getStats with maplike support\n        const makeMapStats = function(stats) {\n            return new Map(Object.keys(stats).map((key)=>[\n                    key,\n                    stats[key]\n                ]));\n        };\n        if (arguments.length >= 2) {\n            const successCallbackWrapper_ = function(response) {\n                onSucc(makeMapStats(fixChromeStats_(response)));\n            };\n            return origGetStats.apply(this, [\n                successCallbackWrapper_,\n                selector\n            ]);\n        }\n        // promise-support\n        return new Promise((resolve, reject)=>{\n            origGetStats.apply(this, [\n                function(response) {\n                    resolve(makeMapStats(fixChromeStats_(response)));\n                },\n                reject\n            ]);\n        }).then(onSucc, onErr);\n    };\n}\nfunction $e3f02d0a98ccb0db$export$f2f0f2338114eb4b(window) {\n    if (!(typeof window === \"object\" && window.RTCPeerConnection && window.RTCRtpSender && window.RTCRtpReceiver)) return;\n    // shim sender stats.\n    if (!(\"getStats\" in window.RTCRtpSender.prototype)) {\n        const origGetSenders = window.RTCPeerConnection.prototype.getSenders;\n        if (origGetSenders) window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n            const senders = origGetSenders.apply(this, []);\n            senders.forEach((sender)=>sender._pc = this);\n            return senders;\n        };\n        const origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n        if (origAddTrack) window.RTCPeerConnection.prototype.addTrack = function addTrack() {\n            const sender = origAddTrack.apply(this, arguments);\n            sender._pc = this;\n            return sender;\n        };\n        window.RTCRtpSender.prototype.getStats = function getStats() {\n            const sender = this;\n            return this._pc.getStats().then((result)=>/* Note: this will include stats of all senders that\n         *   send a track with the same id as sender.track as\n         *   it is not possible to identify the RTCRtpSender.\n         */ $35583cf39f4111ff$export$93439ffc3f787d51(result, sender.track, true));\n        };\n    }\n    // shim receiver stats.\n    if (!(\"getStats\" in window.RTCRtpReceiver.prototype)) {\n        const origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;\n        if (origGetReceivers) window.RTCPeerConnection.prototype.getReceivers = function getReceivers() {\n            const receivers = origGetReceivers.apply(this, []);\n            receivers.forEach((receiver)=>receiver._pc = this);\n            return receivers;\n        };\n        $35583cf39f4111ff$export$1f48841962b828b1(window, \"track\", (e)=>{\n            e.receiver._pc = e.srcElement;\n            return e;\n        });\n        window.RTCRtpReceiver.prototype.getStats = function getStats() {\n            const receiver = this;\n            return this._pc.getStats().then((result)=>$35583cf39f4111ff$export$93439ffc3f787d51(result, receiver.track, false));\n        };\n    }\n    if (!(\"getStats\" in window.RTCRtpSender.prototype && \"getStats\" in window.RTCRtpReceiver.prototype)) return;\n    // shim RTCPeerConnection.getStats(track).\n    const origGetStats = window.RTCPeerConnection.prototype.getStats;\n    window.RTCPeerConnection.prototype.getStats = function getStats() {\n        if (arguments.length > 0 && arguments[0] instanceof window.MediaStreamTrack) {\n            const track = arguments[0];\n            let sender;\n            let receiver;\n            let err;\n            this.getSenders().forEach((s)=>{\n                if (s.track === track) {\n                    if (sender) err = true;\n                    else sender = s;\n                }\n            });\n            this.getReceivers().forEach((r)=>{\n                if (r.track === track) {\n                    if (receiver) err = true;\n                    else receiver = r;\n                }\n                return r.track === track;\n            });\n            if (err || sender && receiver) return Promise.reject(new DOMException(\"There are more than one sender or receiver for the track.\", \"InvalidAccessError\"));\n            else if (sender) return sender.getStats();\n            else if (receiver) return receiver.getStats();\n            return Promise.reject(new DOMException(\"There is no sender or receiver for the track.\", \"InvalidAccessError\"));\n        }\n        return origGetStats.apply(this, arguments);\n    };\n}\nfunction $e3f02d0a98ccb0db$export$30e3cdd46f8d5100(window) {\n    // shim addTrack/removeTrack with native variants in order to make\n    // the interactions with legacy getLocalStreams behave as in other browsers.\n    // Keeps a mapping stream.id => [stream, rtpsenders...]\n    window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {\n        this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n        return Object.keys(this._shimmedLocalStreams).map((streamId)=>this._shimmedLocalStreams[streamId][0]);\n    };\n    const origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n    window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {\n        if (!stream) return origAddTrack.apply(this, arguments);\n        this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n        const sender = origAddTrack.apply(this, arguments);\n        if (!this._shimmedLocalStreams[stream.id]) this._shimmedLocalStreams[stream.id] = [\n            stream,\n            sender\n        ];\n        else if (this._shimmedLocalStreams[stream.id].indexOf(sender) === -1) this._shimmedLocalStreams[stream.id].push(sender);\n        return sender;\n    };\n    const origAddStream = window.RTCPeerConnection.prototype.addStream;\n    window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n        this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n        stream.getTracks().forEach((track)=>{\n            const alreadyExists = this.getSenders().find((s)=>s.track === track);\n            if (alreadyExists) throw new DOMException(\"Track already exists.\", \"InvalidAccessError\");\n        });\n        const existingSenders = this.getSenders();\n        origAddStream.apply(this, arguments);\n        const newSenders = this.getSenders().filter((newSender)=>existingSenders.indexOf(newSender) === -1);\n        this._shimmedLocalStreams[stream.id] = [\n            stream\n        ].concat(newSenders);\n    };\n    const origRemoveStream = window.RTCPeerConnection.prototype.removeStream;\n    window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n        this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n        delete this._shimmedLocalStreams[stream.id];\n        return origRemoveStream.apply(this, arguments);\n    };\n    const origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;\n    window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {\n        this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n        if (sender) Object.keys(this._shimmedLocalStreams).forEach((streamId)=>{\n            const idx = this._shimmedLocalStreams[streamId].indexOf(sender);\n            if (idx !== -1) this._shimmedLocalStreams[streamId].splice(idx, 1);\n            if (this._shimmedLocalStreams[streamId].length === 1) delete this._shimmedLocalStreams[streamId];\n        });\n        return origRemoveTrack.apply(this, arguments);\n    };\n}\nfunction $e3f02d0a98ccb0db$export$9588259fcf4ebc91(window, browserDetails) {\n    if (!window.RTCPeerConnection) return;\n    // shim addTrack and removeTrack.\n    if (window.RTCPeerConnection.prototype.addTrack && browserDetails.version >= 65) return $e3f02d0a98ccb0db$export$30e3cdd46f8d5100(window);\n    // also shim pc.getLocalStreams when addTrack is shimmed\n    // to return the original streams.\n    const origGetLocalStreams = window.RTCPeerConnection.prototype.getLocalStreams;\n    window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {\n        const nativeStreams = origGetLocalStreams.apply(this);\n        this._reverseStreams = this._reverseStreams || {};\n        return nativeStreams.map((stream)=>this._reverseStreams[stream.id]);\n    };\n    const origAddStream = window.RTCPeerConnection.prototype.addStream;\n    window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n        this._streams = this._streams || {};\n        this._reverseStreams = this._reverseStreams || {};\n        stream.getTracks().forEach((track)=>{\n            const alreadyExists = this.getSenders().find((s)=>s.track === track);\n            if (alreadyExists) throw new DOMException(\"Track already exists.\", \"InvalidAccessError\");\n        });\n        // Add identity mapping for consistency with addTrack.\n        // Unless this is being used with a stream from addTrack.\n        if (!this._reverseStreams[stream.id]) {\n            const newStream = new window.MediaStream(stream.getTracks());\n            this._streams[stream.id] = newStream;\n            this._reverseStreams[newStream.id] = stream;\n            stream = newStream;\n        }\n        origAddStream.apply(this, [\n            stream\n        ]);\n    };\n    const origRemoveStream = window.RTCPeerConnection.prototype.removeStream;\n    window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n        this._streams = this._streams || {};\n        this._reverseStreams = this._reverseStreams || {};\n        origRemoveStream.apply(this, [\n            this._streams[stream.id] || stream\n        ]);\n        delete this._reverseStreams[this._streams[stream.id] ? this._streams[stream.id].id : stream.id];\n        delete this._streams[stream.id];\n    };\n    window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {\n        if (this.signalingState === \"closed\") throw new DOMException(\"The RTCPeerConnection's signalingState is 'closed'.\", \"InvalidStateError\");\n        const streams = [].slice.call(arguments, 1);\n        if (streams.length !== 1 || !streams[0].getTracks().find((t)=>t === track)) // this is not fully correct but all we can manage without\n        // [[associated MediaStreams]] internal slot.\n        throw new DOMException(\"The adapter.js addTrack polyfill only supports a single  stream which is associated with the specified track.\", \"NotSupportedError\");\n        const alreadyExists = this.getSenders().find((s)=>s.track === track);\n        if (alreadyExists) throw new DOMException(\"Track already exists.\", \"InvalidAccessError\");\n        this._streams = this._streams || {};\n        this._reverseStreams = this._reverseStreams || {};\n        const oldStream = this._streams[stream.id];\n        if (oldStream) {\n            // this is using odd Chrome behaviour, use with caution:\n            // https://bugs.chromium.org/p/webrtc/issues/detail?id=7815\n            // Note: we rely on the high-level addTrack/dtmf shim to\n            // create the sender with a dtmf sender.\n            oldStream.addTrack(track);\n            // Trigger ONN async.\n            Promise.resolve().then(()=>{\n                this.dispatchEvent(new Event(\"negotiationneeded\"));\n            });\n        } else {\n            const newStream = new window.MediaStream([\n                track\n            ]);\n            this._streams[stream.id] = newStream;\n            this._reverseStreams[newStream.id] = stream;\n            this.addStream(newStream);\n        }\n        return this.getSenders().find((s)=>s.track === track);\n    };\n    // replace the internal stream id with the external one and\n    // vice versa.\n    function replaceInternalStreamId(pc, description) {\n        let sdp = description.sdp;\n        Object.keys(pc._reverseStreams || []).forEach((internalId)=>{\n            const externalStream = pc._reverseStreams[internalId];\n            const internalStream = pc._streams[externalStream.id];\n            sdp = sdp.replace(new RegExp(internalStream.id, \"g\"), externalStream.id);\n        });\n        return new RTCSessionDescription({\n            type: description.type,\n            sdp: sdp\n        });\n    }\n    function replaceExternalStreamId(pc, description) {\n        let sdp = description.sdp;\n        Object.keys(pc._reverseStreams || []).forEach((internalId)=>{\n            const externalStream = pc._reverseStreams[internalId];\n            const internalStream = pc._streams[externalStream.id];\n            sdp = sdp.replace(new RegExp(externalStream.id, \"g\"), internalStream.id);\n        });\n        return new RTCSessionDescription({\n            type: description.type,\n            sdp: sdp\n        });\n    }\n    [\n        \"createOffer\",\n        \"createAnswer\"\n    ].forEach(function(method) {\n        const nativeMethod = window.RTCPeerConnection.prototype[method];\n        const methodObj = {\n            [method] () {\n                const args = arguments;\n                const isLegacyCall = arguments.length && typeof arguments[0] === \"function\";\n                if (isLegacyCall) return nativeMethod.apply(this, [\n                    (description)=>{\n                        const desc = replaceInternalStreamId(this, description);\n                        args[0].apply(null, [\n                            desc\n                        ]);\n                    },\n                    (err)=>{\n                        if (args[1]) args[1].apply(null, err);\n                    },\n                    arguments[2]\n                ]);\n                return nativeMethod.apply(this, arguments).then((description)=>replaceInternalStreamId(this, description));\n            }\n        };\n        window.RTCPeerConnection.prototype[method] = methodObj[method];\n    });\n    const origSetLocalDescription = window.RTCPeerConnection.prototype.setLocalDescription;\n    window.RTCPeerConnection.prototype.setLocalDescription = function setLocalDescription() {\n        if (!arguments.length || !arguments[0].type) return origSetLocalDescription.apply(this, arguments);\n        arguments[0] = replaceExternalStreamId(this, arguments[0]);\n        return origSetLocalDescription.apply(this, arguments);\n    };\n    // TODO: mangle getStats: https://w3c.github.io/webrtc-stats/#dom-rtcmediastreamstats-streamidentifier\n    const origLocalDescription = Object.getOwnPropertyDescriptor(window.RTCPeerConnection.prototype, \"localDescription\");\n    Object.defineProperty(window.RTCPeerConnection.prototype, \"localDescription\", {\n        get () {\n            const description = origLocalDescription.get.apply(this);\n            if (description.type === \"\") return description;\n            return replaceInternalStreamId(this, description);\n        }\n    });\n    window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {\n        if (this.signalingState === \"closed\") throw new DOMException(\"The RTCPeerConnection's signalingState is 'closed'.\", \"InvalidStateError\");\n        // We can not yet check for sender instanceof RTCRtpSender\n        // since we shim RTPSender. So we check if sender._pc is set.\n        if (!sender._pc) throw new DOMException(\"Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.\", \"TypeError\");\n        const isLocal = sender._pc === this;\n        if (!isLocal) throw new DOMException(\"Sender was not created by this connection.\", \"InvalidAccessError\");\n        // Search for the native stream the senders track belongs to.\n        this._streams = this._streams || {};\n        let stream;\n        Object.keys(this._streams).forEach((streamid)=>{\n            const hasTrack = this._streams[streamid].getTracks().find((track)=>sender.track === track);\n            if (hasTrack) stream = this._streams[streamid];\n        });\n        if (stream) {\n            if (stream.getTracks().length === 1) // if this is the last track of the stream, remove the stream. This\n            // takes care of any shimmed _senders.\n            this.removeStream(this._reverseStreams[stream.id]);\n            else // relying on the same odd chrome behaviour as above.\n            stream.removeTrack(sender.track);\n            this.dispatchEvent(new Event(\"negotiationneeded\"));\n        }\n    };\n}\nfunction $e3f02d0a98ccb0db$export$852a08dda9a55ea7(window, browserDetails) {\n    if (!window.RTCPeerConnection && window.webkitRTCPeerConnection) // very basic support for old versions.\n    window.RTCPeerConnection = window.webkitRTCPeerConnection;\n    if (!window.RTCPeerConnection) return;\n    // shim implicit creation of RTCSessionDescription/RTCIceCandidate\n    if (browserDetails.version < 53) [\n        \"setLocalDescription\",\n        \"setRemoteDescription\",\n        \"addIceCandidate\"\n    ].forEach(function(method) {\n        const nativeMethod = window.RTCPeerConnection.prototype[method];\n        const methodObj = {\n            [method] () {\n                arguments[0] = new (method === \"addIceCandidate\" ? window.RTCIceCandidate : window.RTCSessionDescription)(arguments[0]);\n                return nativeMethod.apply(this, arguments);\n            }\n        };\n        window.RTCPeerConnection.prototype[method] = methodObj[method];\n    });\n}\nfunction $e3f02d0a98ccb0db$export$341293bbeaae37cb(window, browserDetails) {\n    $35583cf39f4111ff$export$1f48841962b828b1(window, \"negotiationneeded\", (e)=>{\n        const pc = e.target;\n        if (browserDetails.version < 72 || pc.getConfiguration && pc.getConfiguration().sdpSemantics === \"plan-b\") {\n            if (pc.signalingState !== \"stable\") return;\n        }\n        return e;\n    });\n}\n\n\nvar $5c8245455fb0fb72$exports = {};\n\n$parcel$export($5c8245455fb0fb72$exports, \"shimOnTrack\", () => $5c8245455fb0fb72$export$f358708f68ab068);\n$parcel$export($5c8245455fb0fb72$exports, \"shimPeerConnection\", () => $5c8245455fb0fb72$export$852a08dda9a55ea7);\n$parcel$export($5c8245455fb0fb72$exports, \"shimSenderGetStats\", () => $5c8245455fb0fb72$export$f0525502095c04ef);\n$parcel$export($5c8245455fb0fb72$exports, \"shimReceiverGetStats\", () => $5c8245455fb0fb72$export$83d69126527b1171);\n$parcel$export($5c8245455fb0fb72$exports, \"shimRemoveStream\", () => $5c8245455fb0fb72$export$825e523ef749bd8c);\n$parcel$export($5c8245455fb0fb72$exports, \"shimRTCDataChannel\", () => $5c8245455fb0fb72$export$ff9cb3bc8990e8f7);\n$parcel$export($5c8245455fb0fb72$exports, \"shimAddTransceiver\", () => $5c8245455fb0fb72$export$70c77533b6e9908d);\n$parcel$export($5c8245455fb0fb72$exports, \"shimGetParameters\", () => $5c8245455fb0fb72$export$66238223c298fbaa);\n$parcel$export($5c8245455fb0fb72$exports, \"shimCreateOffer\", () => $5c8245455fb0fb72$export$51beccf0e777b843);\n$parcel$export($5c8245455fb0fb72$exports, \"shimCreateAnswer\", () => $5c8245455fb0fb72$export$df0b46e7cef08150);\n$parcel$export($5c8245455fb0fb72$exports, \"shimGetUserMedia\", () => $7252536737e6fa6d$export$1ed4910f4d37dc5e);\n$parcel$export($5c8245455fb0fb72$exports, \"shimGetDisplayMedia\", () => $f85cf98e09e9e2f6$export$97270b87351d9c04);\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */ /* eslint-env node */ \n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */ /* eslint-env node */ \n\"use strict\";\nfunction $7252536737e6fa6d$export$1ed4910f4d37dc5e(window, browserDetails) {\n    const navigator = window && window.navigator;\n    const MediaStreamTrack = window && window.MediaStreamTrack;\n    navigator.getUserMedia = function(constraints, onSuccess, onError) {\n        // Replace Firefox 44+'s deprecation warning with unprefixed version.\n        $35583cf39f4111ff$export$cdd73fc4100a6ef4(\"navigator.getUserMedia\", \"navigator.mediaDevices.getUserMedia\");\n        navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);\n    };\n    if (!(browserDetails.version > 55 && \"autoGainControl\" in navigator.mediaDevices.getSupportedConstraints())) {\n        const remap = function(obj, a, b) {\n            if (a in obj && !(b in obj)) {\n                obj[b] = obj[a];\n                delete obj[a];\n            }\n        };\n        const nativeGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);\n        navigator.mediaDevices.getUserMedia = function(c) {\n            if (typeof c === \"object\" && typeof c.audio === \"object\") {\n                c = JSON.parse(JSON.stringify(c));\n                remap(c.audio, \"autoGainControl\", \"mozAutoGainControl\");\n                remap(c.audio, \"noiseSuppression\", \"mozNoiseSuppression\");\n            }\n            return nativeGetUserMedia(c);\n        };\n        if (MediaStreamTrack && MediaStreamTrack.prototype.getSettings) {\n            const nativeGetSettings = MediaStreamTrack.prototype.getSettings;\n            MediaStreamTrack.prototype.getSettings = function() {\n                const obj = nativeGetSettings.apply(this, arguments);\n                remap(obj, \"mozAutoGainControl\", \"autoGainControl\");\n                remap(obj, \"mozNoiseSuppression\", \"noiseSuppression\");\n                return obj;\n            };\n        }\n        if (MediaStreamTrack && MediaStreamTrack.prototype.applyConstraints) {\n            const nativeApplyConstraints = MediaStreamTrack.prototype.applyConstraints;\n            MediaStreamTrack.prototype.applyConstraints = function(c) {\n                if (this.kind === \"audio\" && typeof c === \"object\") {\n                    c = JSON.parse(JSON.stringify(c));\n                    remap(c, \"autoGainControl\", \"mozAutoGainControl\");\n                    remap(c, \"noiseSuppression\", \"mozNoiseSuppression\");\n                }\n                return nativeApplyConstraints.apply(this, [\n                    c\n                ]);\n            };\n        }\n    }\n}\n\n\n/*\n *  Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */ /* eslint-env node */ \"use strict\";\nfunction $f85cf98e09e9e2f6$export$97270b87351d9c04(window, preferredMediaSource) {\n    if (window.navigator.mediaDevices && \"getDisplayMedia\" in window.navigator.mediaDevices) return;\n    if (!window.navigator.mediaDevices) return;\n    window.navigator.mediaDevices.getDisplayMedia = function getDisplayMedia(constraints) {\n        if (!(constraints && constraints.video)) {\n            const err = new DOMException(\"getDisplayMedia without video constraints is undefined\");\n            err.name = \"NotFoundError\";\n            // from https://heycam.github.io/webidl/#idl-DOMException-error-names\n            err.code = 8;\n            return Promise.reject(err);\n        }\n        if (constraints.video === true) constraints.video = {\n            mediaSource: preferredMediaSource\n        };\n        else constraints.video.mediaSource = preferredMediaSource;\n        return window.navigator.mediaDevices.getUserMedia(constraints);\n    };\n}\n\n\n\"use strict\";\nfunction $5c8245455fb0fb72$export$f358708f68ab068(window) {\n    if (typeof window === \"object\" && window.RTCTrackEvent && \"receiver\" in window.RTCTrackEvent.prototype && !(\"transceiver\" in window.RTCTrackEvent.prototype)) Object.defineProperty(window.RTCTrackEvent.prototype, \"transceiver\", {\n        get () {\n            return {\n                receiver: this.receiver\n            };\n        }\n    });\n}\nfunction $5c8245455fb0fb72$export$852a08dda9a55ea7(window, browserDetails) {\n    if (typeof window !== \"object\" || !(window.RTCPeerConnection || window.mozRTCPeerConnection)) return; // probably media.peerconnection.enabled=false in about:config\n    if (!window.RTCPeerConnection && window.mozRTCPeerConnection) // very basic support for old versions.\n    window.RTCPeerConnection = window.mozRTCPeerConnection;\n    if (browserDetails.version < 53) // shim away need for obsolete RTCIceCandidate/RTCSessionDescription.\n    [\n        \"setLocalDescription\",\n        \"setRemoteDescription\",\n        \"addIceCandidate\"\n    ].forEach(function(method) {\n        const nativeMethod = window.RTCPeerConnection.prototype[method];\n        const methodObj = {\n            [method] () {\n                arguments[0] = new (method === \"addIceCandidate\" ? window.RTCIceCandidate : window.RTCSessionDescription)(arguments[0]);\n                return nativeMethod.apply(this, arguments);\n            }\n        };\n        window.RTCPeerConnection.prototype[method] = methodObj[method];\n    });\n    const modernStatsTypes = {\n        inboundrtp: \"inbound-rtp\",\n        outboundrtp: \"outbound-rtp\",\n        candidatepair: \"candidate-pair\",\n        localcandidate: \"local-candidate\",\n        remotecandidate: \"remote-candidate\"\n    };\n    const nativeGetStats = window.RTCPeerConnection.prototype.getStats;\n    window.RTCPeerConnection.prototype.getStats = function getStats() {\n        const [selector, onSucc, onErr] = arguments;\n        return nativeGetStats.apply(this, [\n            selector || null\n        ]).then((stats)=>{\n            if (browserDetails.version < 53 && !onSucc) // Shim only promise getStats with spec-hyphens in type names\n            // Leave callback version alone; misc old uses of forEach before Map\n            try {\n                stats.forEach((stat)=>{\n                    stat.type = modernStatsTypes[stat.type] || stat.type;\n                });\n            } catch (e) {\n                if (e.name !== \"TypeError\") throw e;\n                // Avoid TypeError: \"type\" is read-only, in old versions. 34-43ish\n                stats.forEach((stat, i)=>{\n                    stats.set(i, Object.assign({}, stat, {\n                        type: modernStatsTypes[stat.type] || stat.type\n                    }));\n                });\n            }\n            return stats;\n        }).then(onSucc, onErr);\n    };\n}\nfunction $5c8245455fb0fb72$export$f0525502095c04ef(window) {\n    if (!(typeof window === \"object\" && window.RTCPeerConnection && window.RTCRtpSender)) return;\n    if (window.RTCRtpSender && \"getStats\" in window.RTCRtpSender.prototype) return;\n    const origGetSenders = window.RTCPeerConnection.prototype.getSenders;\n    if (origGetSenders) window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n        const senders = origGetSenders.apply(this, []);\n        senders.forEach((sender)=>sender._pc = this);\n        return senders;\n    };\n    const origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n    if (origAddTrack) window.RTCPeerConnection.prototype.addTrack = function addTrack() {\n        const sender = origAddTrack.apply(this, arguments);\n        sender._pc = this;\n        return sender;\n    };\n    window.RTCRtpSender.prototype.getStats = function getStats() {\n        return this.track ? this._pc.getStats(this.track) : Promise.resolve(new Map());\n    };\n}\nfunction $5c8245455fb0fb72$export$83d69126527b1171(window) {\n    if (!(typeof window === \"object\" && window.RTCPeerConnection && window.RTCRtpSender)) return;\n    if (window.RTCRtpSender && \"getStats\" in window.RTCRtpReceiver.prototype) return;\n    const origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;\n    if (origGetReceivers) window.RTCPeerConnection.prototype.getReceivers = function getReceivers() {\n        const receivers = origGetReceivers.apply(this, []);\n        receivers.forEach((receiver)=>receiver._pc = this);\n        return receivers;\n    };\n    $35583cf39f4111ff$export$1f48841962b828b1(window, \"track\", (e)=>{\n        e.receiver._pc = e.srcElement;\n        return e;\n    });\n    window.RTCRtpReceiver.prototype.getStats = function getStats() {\n        return this._pc.getStats(this.track);\n    };\n}\nfunction $5c8245455fb0fb72$export$825e523ef749bd8c(window) {\n    if (!window.RTCPeerConnection || \"removeStream\" in window.RTCPeerConnection.prototype) return;\n    window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n        $35583cf39f4111ff$export$cdd73fc4100a6ef4(\"removeStream\", \"removeTrack\");\n        this.getSenders().forEach((sender)=>{\n            if (sender.track && stream.getTracks().includes(sender.track)) this.removeTrack(sender);\n        });\n    };\n}\nfunction $5c8245455fb0fb72$export$ff9cb3bc8990e8f7(window) {\n    // rename DataChannel to RTCDataChannel (native fix in FF60):\n    // https://bugzilla.mozilla.org/show_bug.cgi?id=1173851\n    if (window.DataChannel && !window.RTCDataChannel) window.RTCDataChannel = window.DataChannel;\n}\nfunction $5c8245455fb0fb72$export$70c77533b6e9908d(window) {\n    // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647\n    // Firefox ignores the init sendEncodings options passed to addTransceiver\n    // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918\n    if (!(typeof window === \"object\" && window.RTCPeerConnection)) return;\n    const origAddTransceiver = window.RTCPeerConnection.prototype.addTransceiver;\n    if (origAddTransceiver) window.RTCPeerConnection.prototype.addTransceiver = function addTransceiver() {\n        this.setParametersPromises = [];\n        // WebIDL input coercion and validation\n        let sendEncodings = arguments[1] && arguments[1].sendEncodings;\n        if (sendEncodings === undefined) sendEncodings = [];\n        sendEncodings = [\n            ...sendEncodings\n        ];\n        const shouldPerformCheck = sendEncodings.length > 0;\n        if (shouldPerformCheck) // If sendEncodings params are provided, validate grammar\n        sendEncodings.forEach((encodingParam)=>{\n            if (\"rid\" in encodingParam) {\n                const ridRegex = /^[a-z0-9]{0,16}$/i;\n                if (!ridRegex.test(encodingParam.rid)) throw new TypeError(\"Invalid RID value provided.\");\n            }\n            if (\"scaleResolutionDownBy\" in encodingParam) {\n                if (!(parseFloat(encodingParam.scaleResolutionDownBy) >= 1.0)) throw new RangeError(\"scale_resolution_down_by must be >= 1.0\");\n            }\n            if (\"maxFramerate\" in encodingParam) {\n                if (!(parseFloat(encodingParam.maxFramerate) >= 0)) throw new RangeError(\"max_framerate must be >= 0.0\");\n            }\n        });\n        const transceiver = origAddTransceiver.apply(this, arguments);\n        if (shouldPerformCheck) {\n            // Check if the init options were applied. If not we do this in an\n            // asynchronous way and save the promise reference in a global object.\n            // This is an ugly hack, but at the same time is way more robust than\n            // checking the sender parameters before and after the createOffer\n            // Also note that after the createoffer we are not 100% sure that\n            // the params were asynchronously applied so we might miss the\n            // opportunity to recreate offer.\n            const { sender: sender } = transceiver;\n            const params = sender.getParameters();\n            if (!(\"encodings\" in params) || // Avoid being fooled by patched getParameters() below.\n            params.encodings.length === 1 && Object.keys(params.encodings[0]).length === 0) {\n                params.encodings = sendEncodings;\n                sender.sendEncodings = sendEncodings;\n                this.setParametersPromises.push(sender.setParameters(params).then(()=>{\n                    delete sender.sendEncodings;\n                }).catch(()=>{\n                    delete sender.sendEncodings;\n                }));\n            }\n        }\n        return transceiver;\n    };\n}\nfunction $5c8245455fb0fb72$export$66238223c298fbaa(window) {\n    if (!(typeof window === \"object\" && window.RTCRtpSender)) return;\n    const origGetParameters = window.RTCRtpSender.prototype.getParameters;\n    if (origGetParameters) window.RTCRtpSender.prototype.getParameters = function getParameters() {\n        const params = origGetParameters.apply(this, arguments);\n        if (!(\"encodings\" in params)) params.encodings = [].concat(this.sendEncodings || [\n            {}\n        ]);\n        return params;\n    };\n}\nfunction $5c8245455fb0fb72$export$51beccf0e777b843(window) {\n    // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647\n    // Firefox ignores the init sendEncodings options passed to addTransceiver\n    // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918\n    if (!(typeof window === \"object\" && window.RTCPeerConnection)) return;\n    const origCreateOffer = window.RTCPeerConnection.prototype.createOffer;\n    window.RTCPeerConnection.prototype.createOffer = function createOffer() {\n        if (this.setParametersPromises && this.setParametersPromises.length) return Promise.all(this.setParametersPromises).then(()=>{\n            return origCreateOffer.apply(this, arguments);\n        }).finally(()=>{\n            this.setParametersPromises = [];\n        });\n        return origCreateOffer.apply(this, arguments);\n    };\n}\nfunction $5c8245455fb0fb72$export$df0b46e7cef08150(window) {\n    // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647\n    // Firefox ignores the init sendEncodings options passed to addTransceiver\n    // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918\n    if (!(typeof window === \"object\" && window.RTCPeerConnection)) return;\n    const origCreateAnswer = window.RTCPeerConnection.prototype.createAnswer;\n    window.RTCPeerConnection.prototype.createAnswer = function createAnswer() {\n        if (this.setParametersPromises && this.setParametersPromises.length) return Promise.all(this.setParametersPromises).then(()=>{\n            return origCreateAnswer.apply(this, arguments);\n        }).finally(()=>{\n            this.setParametersPromises = [];\n        });\n        return origCreateAnswer.apply(this, arguments);\n    };\n}\n\n\nvar $4bb6650df37cb8fe$exports = {};\n\n$parcel$export($4bb6650df37cb8fe$exports, \"shimLocalStreamsAPI\", () => $4bb6650df37cb8fe$export$8df41282f4fdcea2);\n$parcel$export($4bb6650df37cb8fe$exports, \"shimRemoteStreamsAPI\", () => $4bb6650df37cb8fe$export$762aa4cbb4f2f857);\n$parcel$export($4bb6650df37cb8fe$exports, \"shimCallbacksAPI\", () => $4bb6650df37cb8fe$export$da31df245debdd3);\n$parcel$export($4bb6650df37cb8fe$exports, \"shimGetUserMedia\", () => $4bb6650df37cb8fe$export$1ed4910f4d37dc5e);\n$parcel$export($4bb6650df37cb8fe$exports, \"shimConstraints\", () => $4bb6650df37cb8fe$export$494a01ac68ba81ac);\n$parcel$export($4bb6650df37cb8fe$exports, \"shimRTCIceServerUrls\", () => $4bb6650df37cb8fe$export$671a8b47b41b6f41);\n$parcel$export($4bb6650df37cb8fe$exports, \"shimTrackEventTransceiver\", () => $4bb6650df37cb8fe$export$85d53da088cb1b14);\n$parcel$export($4bb6650df37cb8fe$exports, \"shimCreateOfferLegacy\", () => $4bb6650df37cb8fe$export$d444266503fdd2d4);\n$parcel$export($4bb6650df37cb8fe$exports, \"shimAudioContext\", () => $4bb6650df37cb8fe$export$857cd739a7b795d2);\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */ \n\"use strict\";\nfunction $4bb6650df37cb8fe$export$8df41282f4fdcea2(window) {\n    if (typeof window !== \"object\" || !window.RTCPeerConnection) return;\n    if (!(\"getLocalStreams\" in window.RTCPeerConnection.prototype)) window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {\n        if (!this._localStreams) this._localStreams = [];\n        return this._localStreams;\n    };\n    if (!(\"addStream\" in window.RTCPeerConnection.prototype)) {\n        const _addTrack = window.RTCPeerConnection.prototype.addTrack;\n        window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n            if (!this._localStreams) this._localStreams = [];\n            if (!this._localStreams.includes(stream)) this._localStreams.push(stream);\n            // Try to emulate Chrome's behaviour of adding in audio-video order.\n            // Safari orders by track id.\n            stream.getAudioTracks().forEach((track)=>_addTrack.call(this, track, stream));\n            stream.getVideoTracks().forEach((track)=>_addTrack.call(this, track, stream));\n        };\n        window.RTCPeerConnection.prototype.addTrack = function addTrack(track, ...streams) {\n            if (streams) streams.forEach((stream)=>{\n                if (!this._localStreams) this._localStreams = [\n                    stream\n                ];\n                else if (!this._localStreams.includes(stream)) this._localStreams.push(stream);\n            });\n            return _addTrack.apply(this, arguments);\n        };\n    }\n    if (!(\"removeStream\" in window.RTCPeerConnection.prototype)) window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n        if (!this._localStreams) this._localStreams = [];\n        const index = this._localStreams.indexOf(stream);\n        if (index === -1) return;\n        this._localStreams.splice(index, 1);\n        const tracks = stream.getTracks();\n        this.getSenders().forEach((sender)=>{\n            if (tracks.includes(sender.track)) this.removeTrack(sender);\n        });\n    };\n}\nfunction $4bb6650df37cb8fe$export$762aa4cbb4f2f857(window) {\n    if (typeof window !== \"object\" || !window.RTCPeerConnection) return;\n    if (!(\"getRemoteStreams\" in window.RTCPeerConnection.prototype)) window.RTCPeerConnection.prototype.getRemoteStreams = function getRemoteStreams() {\n        return this._remoteStreams ? this._remoteStreams : [];\n    };\n    if (!(\"onaddstream\" in window.RTCPeerConnection.prototype)) {\n        Object.defineProperty(window.RTCPeerConnection.prototype, \"onaddstream\", {\n            get () {\n                return this._onaddstream;\n            },\n            set (f) {\n                if (this._onaddstream) {\n                    this.removeEventListener(\"addstream\", this._onaddstream);\n                    this.removeEventListener(\"track\", this._onaddstreampoly);\n                }\n                this.addEventListener(\"addstream\", this._onaddstream = f);\n                this.addEventListener(\"track\", this._onaddstreampoly = (e)=>{\n                    e.streams.forEach((stream)=>{\n                        if (!this._remoteStreams) this._remoteStreams = [];\n                        if (this._remoteStreams.includes(stream)) return;\n                        this._remoteStreams.push(stream);\n                        const event = new Event(\"addstream\");\n                        event.stream = stream;\n                        this.dispatchEvent(event);\n                    });\n                });\n            }\n        });\n        const origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;\n        window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {\n            const pc = this;\n            if (!this._onaddstreampoly) this.addEventListener(\"track\", this._onaddstreampoly = function(e) {\n                e.streams.forEach((stream)=>{\n                    if (!pc._remoteStreams) pc._remoteStreams = [];\n                    if (pc._remoteStreams.indexOf(stream) >= 0) return;\n                    pc._remoteStreams.push(stream);\n                    const event = new Event(\"addstream\");\n                    event.stream = stream;\n                    pc.dispatchEvent(event);\n                });\n            });\n            return origSetRemoteDescription.apply(pc, arguments);\n        };\n    }\n}\nfunction $4bb6650df37cb8fe$export$da31df245debdd3(window) {\n    if (typeof window !== \"object\" || !window.RTCPeerConnection) return;\n    const prototype = window.RTCPeerConnection.prototype;\n    const origCreateOffer = prototype.createOffer;\n    const origCreateAnswer = prototype.createAnswer;\n    const setLocalDescription = prototype.setLocalDescription;\n    const setRemoteDescription = prototype.setRemoteDescription;\n    const addIceCandidate = prototype.addIceCandidate;\n    prototype.createOffer = function createOffer(successCallback, failureCallback) {\n        const options = arguments.length >= 2 ? arguments[2] : arguments[0];\n        const promise = origCreateOffer.apply(this, [\n            options\n        ]);\n        if (!failureCallback) return promise;\n        promise.then(successCallback, failureCallback);\n        return Promise.resolve();\n    };\n    prototype.createAnswer = function createAnswer(successCallback, failureCallback) {\n        const options = arguments.length >= 2 ? arguments[2] : arguments[0];\n        const promise = origCreateAnswer.apply(this, [\n            options\n        ]);\n        if (!failureCallback) return promise;\n        promise.then(successCallback, failureCallback);\n        return Promise.resolve();\n    };\n    let withCallback = function(description, successCallback, failureCallback) {\n        const promise = setLocalDescription.apply(this, [\n            description\n        ]);\n        if (!failureCallback) return promise;\n        promise.then(successCallback, failureCallback);\n        return Promise.resolve();\n    };\n    prototype.setLocalDescription = withCallback;\n    withCallback = function(description, successCallback, failureCallback) {\n        const promise = setRemoteDescription.apply(this, [\n            description\n        ]);\n        if (!failureCallback) return promise;\n        promise.then(successCallback, failureCallback);\n        return Promise.resolve();\n    };\n    prototype.setRemoteDescription = withCallback;\n    withCallback = function(candidate, successCallback, failureCallback) {\n        const promise = addIceCandidate.apply(this, [\n            candidate\n        ]);\n        if (!failureCallback) return promise;\n        promise.then(successCallback, failureCallback);\n        return Promise.resolve();\n    };\n    prototype.addIceCandidate = withCallback;\n}\nfunction $4bb6650df37cb8fe$export$1ed4910f4d37dc5e(window) {\n    const navigator = window && window.navigator;\n    if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {\n        // shim not needed in Safari 12.1\n        const mediaDevices = navigator.mediaDevices;\n        const _getUserMedia = mediaDevices.getUserMedia.bind(mediaDevices);\n        navigator.mediaDevices.getUserMedia = (constraints)=>{\n            return _getUserMedia($4bb6650df37cb8fe$export$494a01ac68ba81ac(constraints));\n        };\n    }\n    if (!navigator.getUserMedia && navigator.mediaDevices && navigator.mediaDevices.getUserMedia) navigator.getUserMedia = (function getUserMedia(constraints, cb, errcb) {\n        navigator.mediaDevices.getUserMedia(constraints).then(cb, errcb);\n    }).bind(navigator);\n}\nfunction $4bb6650df37cb8fe$export$494a01ac68ba81ac(constraints) {\n    if (constraints && constraints.video !== undefined) return Object.assign({}, constraints, {\n        video: $35583cf39f4111ff$export$15384eac40dc88c8(constraints.video)\n    });\n    return constraints;\n}\nfunction $4bb6650df37cb8fe$export$671a8b47b41b6f41(window) {\n    if (!window.RTCPeerConnection) return;\n    // migrate from non-spec RTCIceServer.url to RTCIceServer.urls\n    const OrigPeerConnection = window.RTCPeerConnection;\n    window.RTCPeerConnection = function RTCPeerConnection(pcConfig, pcConstraints) {\n        if (pcConfig && pcConfig.iceServers) {\n            const newIceServers = [];\n            for(let i = 0; i < pcConfig.iceServers.length; i++){\n                let server = pcConfig.iceServers[i];\n                if (server.urls === undefined && server.url) {\n                    $35583cf39f4111ff$export$cdd73fc4100a6ef4(\"RTCIceServer.url\", \"RTCIceServer.urls\");\n                    server = JSON.parse(JSON.stringify(server));\n                    server.urls = server.url;\n                    delete server.url;\n                    newIceServers.push(server);\n                } else newIceServers.push(pcConfig.iceServers[i]);\n            }\n            pcConfig.iceServers = newIceServers;\n        }\n        return new OrigPeerConnection(pcConfig, pcConstraints);\n    };\n    window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;\n    // wrap static methods. Currently just generateCertificate.\n    if (\"generateCertificate\" in OrigPeerConnection) Object.defineProperty(window.RTCPeerConnection, \"generateCertificate\", {\n        get () {\n            return OrigPeerConnection.generateCertificate;\n        }\n    });\n}\nfunction $4bb6650df37cb8fe$export$85d53da088cb1b14(window) {\n    // Add event.transceiver member over deprecated event.receiver\n    if (typeof window === \"object\" && window.RTCTrackEvent && \"receiver\" in window.RTCTrackEvent.prototype && !(\"transceiver\" in window.RTCTrackEvent.prototype)) Object.defineProperty(window.RTCTrackEvent.prototype, \"transceiver\", {\n        get () {\n            return {\n                receiver: this.receiver\n            };\n        }\n    });\n}\nfunction $4bb6650df37cb8fe$export$d444266503fdd2d4(window) {\n    const origCreateOffer = window.RTCPeerConnection.prototype.createOffer;\n    window.RTCPeerConnection.prototype.createOffer = function createOffer(offerOptions) {\n        if (offerOptions) {\n            if (typeof offerOptions.offerToReceiveAudio !== \"undefined\") // support bit values\n            offerOptions.offerToReceiveAudio = !!offerOptions.offerToReceiveAudio;\n            const audioTransceiver = this.getTransceivers().find((transceiver)=>transceiver.receiver.track.kind === \"audio\");\n            if (offerOptions.offerToReceiveAudio === false && audioTransceiver) {\n                if (audioTransceiver.direction === \"sendrecv\") {\n                    if (audioTransceiver.setDirection) audioTransceiver.setDirection(\"sendonly\");\n                    else audioTransceiver.direction = \"sendonly\";\n                } else if (audioTransceiver.direction === \"recvonly\") {\n                    if (audioTransceiver.setDirection) audioTransceiver.setDirection(\"inactive\");\n                    else audioTransceiver.direction = \"inactive\";\n                }\n            } else if (offerOptions.offerToReceiveAudio === true && !audioTransceiver) this.addTransceiver(\"audio\", {\n                direction: \"recvonly\"\n            });\n            if (typeof offerOptions.offerToReceiveVideo !== \"undefined\") // support bit values\n            offerOptions.offerToReceiveVideo = !!offerOptions.offerToReceiveVideo;\n            const videoTransceiver = this.getTransceivers().find((transceiver)=>transceiver.receiver.track.kind === \"video\");\n            if (offerOptions.offerToReceiveVideo === false && videoTransceiver) {\n                if (videoTransceiver.direction === \"sendrecv\") {\n                    if (videoTransceiver.setDirection) videoTransceiver.setDirection(\"sendonly\");\n                    else videoTransceiver.direction = \"sendonly\";\n                } else if (videoTransceiver.direction === \"recvonly\") {\n                    if (videoTransceiver.setDirection) videoTransceiver.setDirection(\"inactive\");\n                    else videoTransceiver.direction = \"inactive\";\n                }\n            } else if (offerOptions.offerToReceiveVideo === true && !videoTransceiver) this.addTransceiver(\"video\", {\n                direction: \"recvonly\"\n            });\n        }\n        return origCreateOffer.apply(this, arguments);\n    };\n}\nfunction $4bb6650df37cb8fe$export$857cd739a7b795d2(window) {\n    if (typeof window !== \"object\" || window.AudioContext) return;\n    window.AudioContext = window.webkitAudioContext;\n}\n\n\nvar $8080a560a280724d$exports = {};\n\n$parcel$export($8080a560a280724d$exports, \"shimRTCIceCandidate\", () => $8080a560a280724d$export$cf133661e444ccfe);\n$parcel$export($8080a560a280724d$exports, \"shimRTCIceCandidateRelayProtocol\", () => $8080a560a280724d$export$fdafb8d8280e29b5);\n$parcel$export($8080a560a280724d$exports, \"shimMaxMessageSize\", () => $8080a560a280724d$export$a99147c78a56edc4);\n$parcel$export($8080a560a280724d$exports, \"shimSendThrowTypeError\", () => $8080a560a280724d$export$d461c8d5c5db5da7);\n$parcel$export($8080a560a280724d$exports, \"shimConnectionState\", () => $8080a560a280724d$export$63bb816cc75460);\n$parcel$export($8080a560a280724d$exports, \"removeExtmapAllowMixed\", () => $8080a560a280724d$export$a57d114344295149);\n$parcel$export($8080a560a280724d$exports, \"shimAddIceCandidateNullOrEmpty\", () => $8080a560a280724d$export$51d5e40b48c771c7);\n$parcel$export($8080a560a280724d$exports, \"shimParameterlessSetLocalDescription\", () => $8080a560a280724d$export$7170d04e59f9d553);\n/*\n *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */ /* eslint-env node */ var $257b6346d6d1b15f$exports = {};\n/* eslint-env node */ \"use strict\";\n// SDP helpers.\nconst $257b6346d6d1b15f$var$SDPUtils = {};\n// Generate an alphanumeric identifier for cname or mids.\n// TODO: use UUIDs instead? https://gist.github.com/jed/982883\n$257b6346d6d1b15f$var$SDPUtils.generateIdentifier = function() {\n    return Math.random().toString(36).substring(2, 12);\n};\n// The RTCP CNAME used by all peerconnections from the same JS.\n$257b6346d6d1b15f$var$SDPUtils.localCName = $257b6346d6d1b15f$var$SDPUtils.generateIdentifier();\n// Splits SDP into lines, dealing with both CRLF and LF.\n$257b6346d6d1b15f$var$SDPUtils.splitLines = function(blob) {\n    return blob.trim().split(\"\\n\").map((line)=>line.trim());\n};\n// Splits SDP into sessionpart and mediasections. Ensures CRLF.\n$257b6346d6d1b15f$var$SDPUtils.splitSections = function(blob) {\n    const parts = blob.split(\"\\nm=\");\n    return parts.map((part, index)=>(index > 0 ? \"m=\" + part : part).trim() + \"\\r\\n\");\n};\n// Returns the session description.\n$257b6346d6d1b15f$var$SDPUtils.getDescription = function(blob) {\n    const sections = $257b6346d6d1b15f$var$SDPUtils.splitSections(blob);\n    return sections && sections[0];\n};\n// Returns the individual media sections.\n$257b6346d6d1b15f$var$SDPUtils.getMediaSections = function(blob) {\n    const sections = $257b6346d6d1b15f$var$SDPUtils.splitSections(blob);\n    sections.shift();\n    return sections;\n};\n// Returns lines that start with a certain prefix.\n$257b6346d6d1b15f$var$SDPUtils.matchPrefix = function(blob, prefix) {\n    return $257b6346d6d1b15f$var$SDPUtils.splitLines(blob).filter((line)=>line.indexOf(prefix) === 0);\n};\n// Parses an ICE candidate line. Sample input:\n// candidate:702786350 2 udp 41819902 8.8.8.8 60769 typ relay raddr 8.8.8.8\n// rport 55996\"\n// Input can be prefixed with a=.\n$257b6346d6d1b15f$var$SDPUtils.parseCandidate = function(line) {\n    let parts;\n    // Parse both variants.\n    if (line.indexOf(\"a=candidate:\") === 0) parts = line.substring(12).split(\" \");\n    else parts = line.substring(10).split(\" \");\n    const candidate = {\n        foundation: parts[0],\n        component: {\n            1: \"rtp\",\n            2: \"rtcp\"\n        }[parts[1]] || parts[1],\n        protocol: parts[2].toLowerCase(),\n        priority: parseInt(parts[3], 10),\n        ip: parts[4],\n        address: parts[4],\n        port: parseInt(parts[5], 10),\n        // skip parts[6] == 'typ'\n        type: parts[7]\n    };\n    for(let i = 8; i < parts.length; i += 2)switch(parts[i]){\n        case \"raddr\":\n            candidate.relatedAddress = parts[i + 1];\n            break;\n        case \"rport\":\n            candidate.relatedPort = parseInt(parts[i + 1], 10);\n            break;\n        case \"tcptype\":\n            candidate.tcpType = parts[i + 1];\n            break;\n        case \"ufrag\":\n            candidate.ufrag = parts[i + 1]; // for backward compatibility.\n            candidate.usernameFragment = parts[i + 1];\n            break;\n        default:\n            if (candidate[parts[i]] === undefined) candidate[parts[i]] = parts[i + 1];\n            break;\n    }\n    return candidate;\n};\n// Translates a candidate object into SDP candidate attribute.\n// This does not include the a= prefix!\n$257b6346d6d1b15f$var$SDPUtils.writeCandidate = function(candidate) {\n    const sdp = [];\n    sdp.push(candidate.foundation);\n    const component = candidate.component;\n    if (component === \"rtp\") sdp.push(1);\n    else if (component === \"rtcp\") sdp.push(2);\n    else sdp.push(component);\n    sdp.push(candidate.protocol.toUpperCase());\n    sdp.push(candidate.priority);\n    sdp.push(candidate.address || candidate.ip);\n    sdp.push(candidate.port);\n    const type = candidate.type;\n    sdp.push(\"typ\");\n    sdp.push(type);\n    if (type !== \"host\" && candidate.relatedAddress && candidate.relatedPort) {\n        sdp.push(\"raddr\");\n        sdp.push(candidate.relatedAddress);\n        sdp.push(\"rport\");\n        sdp.push(candidate.relatedPort);\n    }\n    if (candidate.tcpType && candidate.protocol.toLowerCase() === \"tcp\") {\n        sdp.push(\"tcptype\");\n        sdp.push(candidate.tcpType);\n    }\n    if (candidate.usernameFragment || candidate.ufrag) {\n        sdp.push(\"ufrag\");\n        sdp.push(candidate.usernameFragment || candidate.ufrag);\n    }\n    return \"candidate:\" + sdp.join(\" \");\n};\n// Parses an ice-options line, returns an array of option tags.\n// Sample input:\n// a=ice-options:foo bar\n$257b6346d6d1b15f$var$SDPUtils.parseIceOptions = function(line) {\n    return line.substring(14).split(\" \");\n};\n// Parses a rtpmap line, returns RTCRtpCoddecParameters. Sample input:\n// a=rtpmap:111 opus/48000/2\n$257b6346d6d1b15f$var$SDPUtils.parseRtpMap = function(line) {\n    let parts = line.substring(9).split(\" \");\n    const parsed = {\n        payloadType: parseInt(parts.shift(), 10)\n    };\n    parts = parts[0].split(\"/\");\n    parsed.name = parts[0];\n    parsed.clockRate = parseInt(parts[1], 10); // was: clockrate\n    parsed.channels = parts.length === 3 ? parseInt(parts[2], 10) : 1;\n    // legacy alias, got renamed back to channels in ORTC.\n    parsed.numChannels = parsed.channels;\n    return parsed;\n};\n// Generates a rtpmap line from RTCRtpCodecCapability or\n// RTCRtpCodecParameters.\n$257b6346d6d1b15f$var$SDPUtils.writeRtpMap = function(codec) {\n    let pt = codec.payloadType;\n    if (codec.preferredPayloadType !== undefined) pt = codec.preferredPayloadType;\n    const channels = codec.channels || codec.numChannels || 1;\n    return \"a=rtpmap:\" + pt + \" \" + codec.name + \"/\" + codec.clockRate + (channels !== 1 ? \"/\" + channels : \"\") + \"\\r\\n\";\n};\n// Parses a extmap line (headerextension from RFC 5285). Sample input:\n// a=extmap:2 urn:ietf:params:rtp-hdrext:toffset\n// a=extmap:2/sendonly urn:ietf:params:rtp-hdrext:toffset\n$257b6346d6d1b15f$var$SDPUtils.parseExtmap = function(line) {\n    const parts = line.substring(9).split(\" \");\n    return {\n        id: parseInt(parts[0], 10),\n        direction: parts[0].indexOf(\"/\") > 0 ? parts[0].split(\"/\")[1] : \"sendrecv\",\n        uri: parts[1],\n        attributes: parts.slice(2).join(\" \")\n    };\n};\n// Generates an extmap line from RTCRtpHeaderExtensionParameters or\n// RTCRtpHeaderExtension.\n$257b6346d6d1b15f$var$SDPUtils.writeExtmap = function(headerExtension) {\n    return \"a=extmap:\" + (headerExtension.id || headerExtension.preferredId) + (headerExtension.direction && headerExtension.direction !== \"sendrecv\" ? \"/\" + headerExtension.direction : \"\") + \" \" + headerExtension.uri + (headerExtension.attributes ? \" \" + headerExtension.attributes : \"\") + \"\\r\\n\";\n};\n// Parses a fmtp line, returns dictionary. Sample input:\n// a=fmtp:96 vbr=on;cng=on\n// Also deals with vbr=on; cng=on\n$257b6346d6d1b15f$var$SDPUtils.parseFmtp = function(line) {\n    const parsed = {};\n    let kv;\n    const parts = line.substring(line.indexOf(\" \") + 1).split(\";\");\n    for(let j = 0; j < parts.length; j++){\n        kv = parts[j].trim().split(\"=\");\n        parsed[kv[0].trim()] = kv[1];\n    }\n    return parsed;\n};\n// Generates a fmtp line from RTCRtpCodecCapability or RTCRtpCodecParameters.\n$257b6346d6d1b15f$var$SDPUtils.writeFmtp = function(codec) {\n    let line = \"\";\n    let pt = codec.payloadType;\n    if (codec.preferredPayloadType !== undefined) pt = codec.preferredPayloadType;\n    if (codec.parameters && Object.keys(codec.parameters).length) {\n        const params = [];\n        Object.keys(codec.parameters).forEach((param)=>{\n            if (codec.parameters[param] !== undefined) params.push(param + \"=\" + codec.parameters[param]);\n            else params.push(param);\n        });\n        line += \"a=fmtp:\" + pt + \" \" + params.join(\";\") + \"\\r\\n\";\n    }\n    return line;\n};\n// Parses a rtcp-fb line, returns RTCPRtcpFeedback object. Sample input:\n// a=rtcp-fb:98 nack rpsi\n$257b6346d6d1b15f$var$SDPUtils.parseRtcpFb = function(line) {\n    const parts = line.substring(line.indexOf(\" \") + 1).split(\" \");\n    return {\n        type: parts.shift(),\n        parameter: parts.join(\" \")\n    };\n};\n// Generate a=rtcp-fb lines from RTCRtpCodecCapability or RTCRtpCodecParameters.\n$257b6346d6d1b15f$var$SDPUtils.writeRtcpFb = function(codec) {\n    let lines = \"\";\n    let pt = codec.payloadType;\n    if (codec.preferredPayloadType !== undefined) pt = codec.preferredPayloadType;\n    if (codec.rtcpFeedback && codec.rtcpFeedback.length) // FIXME: special handling for trr-int?\n    codec.rtcpFeedback.forEach((fb)=>{\n        lines += \"a=rtcp-fb:\" + pt + \" \" + fb.type + (fb.parameter && fb.parameter.length ? \" \" + fb.parameter : \"\") + \"\\r\\n\";\n    });\n    return lines;\n};\n// Parses a RFC 5576 ssrc media attribute. Sample input:\n// a=ssrc:3735928559 cname:something\n$257b6346d6d1b15f$var$SDPUtils.parseSsrcMedia = function(line) {\n    const sp = line.indexOf(\" \");\n    const parts = {\n        ssrc: parseInt(line.substring(7, sp), 10)\n    };\n    const colon = line.indexOf(\":\", sp);\n    if (colon > -1) {\n        parts.attribute = line.substring(sp + 1, colon);\n        parts.value = line.substring(colon + 1);\n    } else parts.attribute = line.substring(sp + 1);\n    return parts;\n};\n// Parse a ssrc-group line (see RFC 5576). Sample input:\n// a=ssrc-group:semantics 12 34\n$257b6346d6d1b15f$var$SDPUtils.parseSsrcGroup = function(line) {\n    const parts = line.substring(13).split(\" \");\n    return {\n        semantics: parts.shift(),\n        ssrcs: parts.map((ssrc)=>parseInt(ssrc, 10))\n    };\n};\n// Extracts the MID (RFC 5888) from a media section.\n// Returns the MID or undefined if no mid line was found.\n$257b6346d6d1b15f$var$SDPUtils.getMid = function(mediaSection) {\n    const mid = $257b6346d6d1b15f$var$SDPUtils.matchPrefix(mediaSection, \"a=mid:\")[0];\n    if (mid) return mid.substring(6);\n};\n// Parses a fingerprint line for DTLS-SRTP.\n$257b6346d6d1b15f$var$SDPUtils.parseFingerprint = function(line) {\n    const parts = line.substring(14).split(\" \");\n    return {\n        algorithm: parts[0].toLowerCase(),\n        value: parts[1].toUpperCase()\n    };\n};\n// Extracts DTLS parameters from SDP media section or sessionpart.\n// FIXME: for consistency with other functions this should only\n//   get the fingerprint line as input. See also getIceParameters.\n$257b6346d6d1b15f$var$SDPUtils.getDtlsParameters = function(mediaSection, sessionpart) {\n    const lines = $257b6346d6d1b15f$var$SDPUtils.matchPrefix(mediaSection + sessionpart, \"a=fingerprint:\");\n    // Note: a=setup line is ignored since we use the 'auto' role in Edge.\n    return {\n        role: \"auto\",\n        fingerprints: lines.map($257b6346d6d1b15f$var$SDPUtils.parseFingerprint)\n    };\n};\n// Serializes DTLS parameters to SDP.\n$257b6346d6d1b15f$var$SDPUtils.writeDtlsParameters = function(params, setupType) {\n    let sdp = \"a=setup:\" + setupType + \"\\r\\n\";\n    params.fingerprints.forEach((fp)=>{\n        sdp += \"a=fingerprint:\" + fp.algorithm + \" \" + fp.value + \"\\r\\n\";\n    });\n    return sdp;\n};\n// Parses a=crypto lines into\n//   https://rawgit.com/aboba/edgertc/master/msortc-rs4.html#dictionary-rtcsrtpsdesparameters-members\n$257b6346d6d1b15f$var$SDPUtils.parseCryptoLine = function(line) {\n    const parts = line.substring(9).split(\" \");\n    return {\n        tag: parseInt(parts[0], 10),\n        cryptoSuite: parts[1],\n        keyParams: parts[2],\n        sessionParams: parts.slice(3)\n    };\n};\n$257b6346d6d1b15f$var$SDPUtils.writeCryptoLine = function(parameters) {\n    return \"a=crypto:\" + parameters.tag + \" \" + parameters.cryptoSuite + \" \" + (typeof parameters.keyParams === \"object\" ? $257b6346d6d1b15f$var$SDPUtils.writeCryptoKeyParams(parameters.keyParams) : parameters.keyParams) + (parameters.sessionParams ? \" \" + parameters.sessionParams.join(\" \") : \"\") + \"\\r\\n\";\n};\n// Parses the crypto key parameters into\n//   https://rawgit.com/aboba/edgertc/master/msortc-rs4.html#rtcsrtpkeyparam*\n$257b6346d6d1b15f$var$SDPUtils.parseCryptoKeyParams = function(keyParams) {\n    if (keyParams.indexOf(\"inline:\") !== 0) return null;\n    const parts = keyParams.substring(7).split(\"|\");\n    return {\n        keyMethod: \"inline\",\n        keySalt: parts[0],\n        lifeTime: parts[1],\n        mkiValue: parts[2] ? parts[2].split(\":\")[0] : undefined,\n        mkiLength: parts[2] ? parts[2].split(\":\")[1] : undefined\n    };\n};\n$257b6346d6d1b15f$var$SDPUtils.writeCryptoKeyParams = function(keyParams) {\n    return keyParams.keyMethod + \":\" + keyParams.keySalt + (keyParams.lifeTime ? \"|\" + keyParams.lifeTime : \"\") + (keyParams.mkiValue && keyParams.mkiLength ? \"|\" + keyParams.mkiValue + \":\" + keyParams.mkiLength : \"\");\n};\n// Extracts all SDES parameters.\n$257b6346d6d1b15f$var$SDPUtils.getCryptoParameters = function(mediaSection, sessionpart) {\n    const lines = $257b6346d6d1b15f$var$SDPUtils.matchPrefix(mediaSection + sessionpart, \"a=crypto:\");\n    return lines.map($257b6346d6d1b15f$var$SDPUtils.parseCryptoLine);\n};\n// Parses ICE information from SDP media section or sessionpart.\n// FIXME: for consistency with other functions this should only\n//   get the ice-ufrag and ice-pwd lines as input.\n$257b6346d6d1b15f$var$SDPUtils.getIceParameters = function(mediaSection, sessionpart) {\n    const ufrag = $257b6346d6d1b15f$var$SDPUtils.matchPrefix(mediaSection + sessionpart, \"a=ice-ufrag:\")[0];\n    const pwd = $257b6346d6d1b15f$var$SDPUtils.matchPrefix(mediaSection + sessionpart, \"a=ice-pwd:\")[0];\n    if (!(ufrag && pwd)) return null;\n    return {\n        usernameFragment: ufrag.substring(12),\n        password: pwd.substring(10)\n    };\n};\n// Serializes ICE parameters to SDP.\n$257b6346d6d1b15f$var$SDPUtils.writeIceParameters = function(params) {\n    let sdp = \"a=ice-ufrag:\" + params.usernameFragment + \"\\r\\n\" + \"a=ice-pwd:\" + params.password + \"\\r\\n\";\n    if (params.iceLite) sdp += \"a=ice-lite\\r\\n\";\n    return sdp;\n};\n// Parses the SDP media section and returns RTCRtpParameters.\n$257b6346d6d1b15f$var$SDPUtils.parseRtpParameters = function(mediaSection) {\n    const description = {\n        codecs: [],\n        headerExtensions: [],\n        fecMechanisms: [],\n        rtcp: []\n    };\n    const lines = $257b6346d6d1b15f$var$SDPUtils.splitLines(mediaSection);\n    const mline = lines[0].split(\" \");\n    description.profile = mline[2];\n    for(let i = 3; i < mline.length; i++){\n        const pt = mline[i];\n        const rtpmapline = $257b6346d6d1b15f$var$SDPUtils.matchPrefix(mediaSection, \"a=rtpmap:\" + pt + \" \")[0];\n        if (rtpmapline) {\n            const codec = $257b6346d6d1b15f$var$SDPUtils.parseRtpMap(rtpmapline);\n            const fmtps = $257b6346d6d1b15f$var$SDPUtils.matchPrefix(mediaSection, \"a=fmtp:\" + pt + \" \");\n            // Only the first a=fmtp:<pt> is considered.\n            codec.parameters = fmtps.length ? $257b6346d6d1b15f$var$SDPUtils.parseFmtp(fmtps[0]) : {};\n            codec.rtcpFeedback = $257b6346d6d1b15f$var$SDPUtils.matchPrefix(mediaSection, \"a=rtcp-fb:\" + pt + \" \").map($257b6346d6d1b15f$var$SDPUtils.parseRtcpFb);\n            description.codecs.push(codec);\n            // parse FEC mechanisms from rtpmap lines.\n            switch(codec.name.toUpperCase()){\n                case \"RED\":\n                case \"ULPFEC\":\n                    description.fecMechanisms.push(codec.name.toUpperCase());\n                    break;\n                default:\n                    break;\n            }\n        }\n    }\n    $257b6346d6d1b15f$var$SDPUtils.matchPrefix(mediaSection, \"a=extmap:\").forEach((line)=>{\n        description.headerExtensions.push($257b6346d6d1b15f$var$SDPUtils.parseExtmap(line));\n    });\n    const wildcardRtcpFb = $257b6346d6d1b15f$var$SDPUtils.matchPrefix(mediaSection, \"a=rtcp-fb:* \").map($257b6346d6d1b15f$var$SDPUtils.parseRtcpFb);\n    description.codecs.forEach((codec)=>{\n        wildcardRtcpFb.forEach((fb)=>{\n            const duplicate = codec.rtcpFeedback.find((existingFeedback)=>{\n                return existingFeedback.type === fb.type && existingFeedback.parameter === fb.parameter;\n            });\n            if (!duplicate) codec.rtcpFeedback.push(fb);\n        });\n    });\n    // FIXME: parse rtcp.\n    return description;\n};\n// Generates parts of the SDP media section describing the capabilities /\n// parameters.\n$257b6346d6d1b15f$var$SDPUtils.writeRtpDescription = function(kind, caps) {\n    let sdp = \"\";\n    // Build the mline.\n    sdp += \"m=\" + kind + \" \";\n    sdp += caps.codecs.length > 0 ? \"9\" : \"0\"; // reject if no codecs.\n    sdp += \" \" + (caps.profile || \"UDP/TLS/RTP/SAVPF\") + \" \";\n    sdp += caps.codecs.map((codec)=>{\n        if (codec.preferredPayloadType !== undefined) return codec.preferredPayloadType;\n        return codec.payloadType;\n    }).join(\" \") + \"\\r\\n\";\n    sdp += \"c=IN IP4 0.0.0.0\\r\\n\";\n    sdp += \"a=rtcp:9 IN IP4 0.0.0.0\\r\\n\";\n    // Add a=rtpmap lines for each codec. Also fmtp and rtcp-fb.\n    caps.codecs.forEach((codec)=>{\n        sdp += $257b6346d6d1b15f$var$SDPUtils.writeRtpMap(codec);\n        sdp += $257b6346d6d1b15f$var$SDPUtils.writeFmtp(codec);\n        sdp += $257b6346d6d1b15f$var$SDPUtils.writeRtcpFb(codec);\n    });\n    let maxptime = 0;\n    caps.codecs.forEach((codec)=>{\n        if (codec.maxptime > maxptime) maxptime = codec.maxptime;\n    });\n    if (maxptime > 0) sdp += \"a=maxptime:\" + maxptime + \"\\r\\n\";\n    if (caps.headerExtensions) caps.headerExtensions.forEach((extension)=>{\n        sdp += $257b6346d6d1b15f$var$SDPUtils.writeExtmap(extension);\n    });\n    // FIXME: write fecMechanisms.\n    return sdp;\n};\n// Parses the SDP media section and returns an array of\n// RTCRtpEncodingParameters.\n$257b6346d6d1b15f$var$SDPUtils.parseRtpEncodingParameters = function(mediaSection) {\n    const encodingParameters = [];\n    const description = $257b6346d6d1b15f$var$SDPUtils.parseRtpParameters(mediaSection);\n    const hasRed = description.fecMechanisms.indexOf(\"RED\") !== -1;\n    const hasUlpfec = description.fecMechanisms.indexOf(\"ULPFEC\") !== -1;\n    // filter a=ssrc:... cname:, ignore PlanB-msid\n    const ssrcs = $257b6346d6d1b15f$var$SDPUtils.matchPrefix(mediaSection, \"a=ssrc:\").map((line)=>$257b6346d6d1b15f$var$SDPUtils.parseSsrcMedia(line)).filter((parts)=>parts.attribute === \"cname\");\n    const primarySsrc = ssrcs.length > 0 && ssrcs[0].ssrc;\n    let secondarySsrc;\n    const flows = $257b6346d6d1b15f$var$SDPUtils.matchPrefix(mediaSection, \"a=ssrc-group:FID\").map((line)=>{\n        const parts = line.substring(17).split(\" \");\n        return parts.map((part)=>parseInt(part, 10));\n    });\n    if (flows.length > 0 && flows[0].length > 1 && flows[0][0] === primarySsrc) secondarySsrc = flows[0][1];\n    description.codecs.forEach((codec)=>{\n        if (codec.name.toUpperCase() === \"RTX\" && codec.parameters.apt) {\n            let encParam = {\n                ssrc: primarySsrc,\n                codecPayloadType: parseInt(codec.parameters.apt, 10)\n            };\n            if (primarySsrc && secondarySsrc) encParam.rtx = {\n                ssrc: secondarySsrc\n            };\n            encodingParameters.push(encParam);\n            if (hasRed) {\n                encParam = JSON.parse(JSON.stringify(encParam));\n                encParam.fec = {\n                    ssrc: primarySsrc,\n                    mechanism: hasUlpfec ? \"red+ulpfec\" : \"red\"\n                };\n                encodingParameters.push(encParam);\n            }\n        }\n    });\n    if (encodingParameters.length === 0 && primarySsrc) encodingParameters.push({\n        ssrc: primarySsrc\n    });\n    // we support both b=AS and b=TIAS but interpret AS as TIAS.\n    let bandwidth = $257b6346d6d1b15f$var$SDPUtils.matchPrefix(mediaSection, \"b=\");\n    if (bandwidth.length) {\n        if (bandwidth[0].indexOf(\"b=TIAS:\") === 0) bandwidth = parseInt(bandwidth[0].substring(7), 10);\n        else if (bandwidth[0].indexOf(\"b=AS:\") === 0) // use formula from JSEP to convert b=AS to TIAS value.\n        bandwidth = parseInt(bandwidth[0].substring(5), 10) * 950 - 16000;\n        else bandwidth = undefined;\n        encodingParameters.forEach((params)=>{\n            params.maxBitrate = bandwidth;\n        });\n    }\n    return encodingParameters;\n};\n// parses http://draft.ortc.org/#rtcrtcpparameters*\n$257b6346d6d1b15f$var$SDPUtils.parseRtcpParameters = function(mediaSection) {\n    const rtcpParameters = {};\n    // Gets the first SSRC. Note that with RTX there might be multiple\n    // SSRCs.\n    const remoteSsrc = $257b6346d6d1b15f$var$SDPUtils.matchPrefix(mediaSection, \"a=ssrc:\").map((line)=>$257b6346d6d1b15f$var$SDPUtils.parseSsrcMedia(line)).filter((obj)=>obj.attribute === \"cname\")[0];\n    if (remoteSsrc) {\n        rtcpParameters.cname = remoteSsrc.value;\n        rtcpParameters.ssrc = remoteSsrc.ssrc;\n    }\n    // Edge uses the compound attribute instead of reducedSize\n    // compound is !reducedSize\n    const rsize = $257b6346d6d1b15f$var$SDPUtils.matchPrefix(mediaSection, \"a=rtcp-rsize\");\n    rtcpParameters.reducedSize = rsize.length > 0;\n    rtcpParameters.compound = rsize.length === 0;\n    // parses the rtcp-mux attrіbute.\n    // Note that Edge does not support unmuxed RTCP.\n    const mux = $257b6346d6d1b15f$var$SDPUtils.matchPrefix(mediaSection, \"a=rtcp-mux\");\n    rtcpParameters.mux = mux.length > 0;\n    return rtcpParameters;\n};\n$257b6346d6d1b15f$var$SDPUtils.writeRtcpParameters = function(rtcpParameters) {\n    let sdp = \"\";\n    if (rtcpParameters.reducedSize) sdp += \"a=rtcp-rsize\\r\\n\";\n    if (rtcpParameters.mux) sdp += \"a=rtcp-mux\\r\\n\";\n    if (rtcpParameters.ssrc !== undefined && rtcpParameters.cname) sdp += \"a=ssrc:\" + rtcpParameters.ssrc + \" cname:\" + rtcpParameters.cname + \"\\r\\n\";\n    return sdp;\n};\n// parses either a=msid: or a=ssrc:... msid lines and returns\n// the id of the MediaStream and MediaStreamTrack.\n$257b6346d6d1b15f$var$SDPUtils.parseMsid = function(mediaSection) {\n    let parts;\n    const spec = $257b6346d6d1b15f$var$SDPUtils.matchPrefix(mediaSection, \"a=msid:\");\n    if (spec.length === 1) {\n        parts = spec[0].substring(7).split(\" \");\n        return {\n            stream: parts[0],\n            track: parts[1]\n        };\n    }\n    const planB = $257b6346d6d1b15f$var$SDPUtils.matchPrefix(mediaSection, \"a=ssrc:\").map((line)=>$257b6346d6d1b15f$var$SDPUtils.parseSsrcMedia(line)).filter((msidParts)=>msidParts.attribute === \"msid\");\n    if (planB.length > 0) {\n        parts = planB[0].value.split(\" \");\n        return {\n            stream: parts[0],\n            track: parts[1]\n        };\n    }\n};\n// SCTP\n// parses draft-ietf-mmusic-sctp-sdp-26 first and falls back\n// to draft-ietf-mmusic-sctp-sdp-05\n$257b6346d6d1b15f$var$SDPUtils.parseSctpDescription = function(mediaSection) {\n    const mline = $257b6346d6d1b15f$var$SDPUtils.parseMLine(mediaSection);\n    const maxSizeLine = $257b6346d6d1b15f$var$SDPUtils.matchPrefix(mediaSection, \"a=max-message-size:\");\n    let maxMessageSize;\n    if (maxSizeLine.length > 0) maxMessageSize = parseInt(maxSizeLine[0].substring(19), 10);\n    if (isNaN(maxMessageSize)) maxMessageSize = 65536;\n    const sctpPort = $257b6346d6d1b15f$var$SDPUtils.matchPrefix(mediaSection, \"a=sctp-port:\");\n    if (sctpPort.length > 0) return {\n        port: parseInt(sctpPort[0].substring(12), 10),\n        protocol: mline.fmt,\n        maxMessageSize: maxMessageSize\n    };\n    const sctpMapLines = $257b6346d6d1b15f$var$SDPUtils.matchPrefix(mediaSection, \"a=sctpmap:\");\n    if (sctpMapLines.length > 0) {\n        const parts = sctpMapLines[0].substring(10).split(\" \");\n        return {\n            port: parseInt(parts[0], 10),\n            protocol: parts[1],\n            maxMessageSize: maxMessageSize\n        };\n    }\n};\n// SCTP\n// outputs the draft-ietf-mmusic-sctp-sdp-26 version that all browsers\n// support by now receiving in this format, unless we originally parsed\n// as the draft-ietf-mmusic-sctp-sdp-05 format (indicated by the m-line\n// protocol of DTLS/SCTP -- without UDP/ or TCP/)\n$257b6346d6d1b15f$var$SDPUtils.writeSctpDescription = function(media, sctp) {\n    let output = [];\n    if (media.protocol !== \"DTLS/SCTP\") output = [\n        \"m=\" + media.kind + \" 9 \" + media.protocol + \" \" + sctp.protocol + \"\\r\\n\",\n        \"c=IN IP4 0.0.0.0\\r\\n\",\n        \"a=sctp-port:\" + sctp.port + \"\\r\\n\"\n    ];\n    else output = [\n        \"m=\" + media.kind + \" 9 \" + media.protocol + \" \" + sctp.port + \"\\r\\n\",\n        \"c=IN IP4 0.0.0.0\\r\\n\",\n        \"a=sctpmap:\" + sctp.port + \" \" + sctp.protocol + \" 65535\\r\\n\"\n    ];\n    if (sctp.maxMessageSize !== undefined) output.push(\"a=max-message-size:\" + sctp.maxMessageSize + \"\\r\\n\");\n    return output.join(\"\");\n};\n// Generate a session ID for SDP.\n// https://tools.ietf.org/html/draft-ietf-rtcweb-jsep-20#section-5.2.1\n// recommends using a cryptographically random +ve 64-bit value\n// but right now this should be acceptable and within the right range\n$257b6346d6d1b15f$var$SDPUtils.generateSessionId = function() {\n    return Math.random().toString().substr(2, 22);\n};\n// Write boiler plate for start of SDP\n// sessId argument is optional - if not supplied it will\n// be generated randomly\n// sessVersion is optional and defaults to 2\n// sessUser is optional and defaults to 'thisisadapterortc'\n$257b6346d6d1b15f$var$SDPUtils.writeSessionBoilerplate = function(sessId, sessVer, sessUser) {\n    let sessionId;\n    const version = sessVer !== undefined ? sessVer : 2;\n    if (sessId) sessionId = sessId;\n    else sessionId = $257b6346d6d1b15f$var$SDPUtils.generateSessionId();\n    const user = sessUser || \"thisisadapterortc\";\n    // FIXME: sess-id should be an NTP timestamp.\n    return \"v=0\\r\\no=\" + user + \" \" + sessionId + \" \" + version + \" IN IP4 127.0.0.1\\r\\n\" + \"s=-\\r\\n\" + \"t=0 0\\r\\n\";\n};\n// Gets the direction from the mediaSection or the sessionpart.\n$257b6346d6d1b15f$var$SDPUtils.getDirection = function(mediaSection, sessionpart) {\n    // Look for sendrecv, sendonly, recvonly, inactive, default to sendrecv.\n    const lines = $257b6346d6d1b15f$var$SDPUtils.splitLines(mediaSection);\n    for(let i = 0; i < lines.length; i++)switch(lines[i]){\n        case \"a=sendrecv\":\n        case \"a=sendonly\":\n        case \"a=recvonly\":\n        case \"a=inactive\":\n            return lines[i].substring(2);\n        default:\n    }\n    if (sessionpart) return $257b6346d6d1b15f$var$SDPUtils.getDirection(sessionpart);\n    return \"sendrecv\";\n};\n$257b6346d6d1b15f$var$SDPUtils.getKind = function(mediaSection) {\n    const lines = $257b6346d6d1b15f$var$SDPUtils.splitLines(mediaSection);\n    const mline = lines[0].split(\" \");\n    return mline[0].substring(2);\n};\n$257b6346d6d1b15f$var$SDPUtils.isRejected = function(mediaSection) {\n    return mediaSection.split(\" \", 2)[1] === \"0\";\n};\n$257b6346d6d1b15f$var$SDPUtils.parseMLine = function(mediaSection) {\n    const lines = $257b6346d6d1b15f$var$SDPUtils.splitLines(mediaSection);\n    const parts = lines[0].substring(2).split(\" \");\n    return {\n        kind: parts[0],\n        port: parseInt(parts[1], 10),\n        protocol: parts[2],\n        fmt: parts.slice(3).join(\" \")\n    };\n};\n$257b6346d6d1b15f$var$SDPUtils.parseOLine = function(mediaSection) {\n    const line = $257b6346d6d1b15f$var$SDPUtils.matchPrefix(mediaSection, \"o=\")[0];\n    const parts = line.substring(2).split(\" \");\n    return {\n        username: parts[0],\n        sessionId: parts[1],\n        sessionVersion: parseInt(parts[2], 10),\n        netType: parts[3],\n        addressType: parts[4],\n        address: parts[5]\n    };\n};\n// a very naive interpretation of a valid SDP.\n$257b6346d6d1b15f$var$SDPUtils.isValidSDP = function(blob) {\n    if (typeof blob !== \"string\" || blob.length === 0) return false;\n    const lines = $257b6346d6d1b15f$var$SDPUtils.splitLines(blob);\n    for(let i = 0; i < lines.length; i++){\n        if (lines[i].length < 2 || lines[i].charAt(1) !== \"=\") return false;\n    // TODO: check the modifier a bit more.\n    }\n    return true;\n};\n$257b6346d6d1b15f$exports = $257b6346d6d1b15f$var$SDPUtils;\n\n\n\n\"use strict\";\nfunction $8080a560a280724d$export$cf133661e444ccfe(window) {\n    // foundation is arbitrarily chosen as an indicator for full support for\n    // https://w3c.github.io/webrtc-pc/#rtcicecandidate-interface\n    if (!window.RTCIceCandidate || window.RTCIceCandidate && \"foundation\" in window.RTCIceCandidate.prototype) return;\n    const NativeRTCIceCandidate = window.RTCIceCandidate;\n    window.RTCIceCandidate = function RTCIceCandidate(args) {\n        // Remove the a= which shouldn't be part of the candidate string.\n        if (typeof args === \"object\" && args.candidate && args.candidate.indexOf(\"a=\") === 0) {\n            args = JSON.parse(JSON.stringify(args));\n            args.candidate = args.candidate.substring(2);\n        }\n        if (args.candidate && args.candidate.length) {\n            // Augment the native candidate with the parsed fields.\n            const nativeCandidate = new NativeRTCIceCandidate(args);\n            const parsedCandidate = (0, (/*@__PURE__*/$parcel$interopDefault($257b6346d6d1b15f$exports))).parseCandidate(args.candidate);\n            for(const key in parsedCandidate)if (!(key in nativeCandidate)) Object.defineProperty(nativeCandidate, key, {\n                value: parsedCandidate[key]\n            });\n            // Override serializer to not serialize the extra attributes.\n            nativeCandidate.toJSON = function toJSON() {\n                return {\n                    candidate: nativeCandidate.candidate,\n                    sdpMid: nativeCandidate.sdpMid,\n                    sdpMLineIndex: nativeCandidate.sdpMLineIndex,\n                    usernameFragment: nativeCandidate.usernameFragment\n                };\n            };\n            return nativeCandidate;\n        }\n        return new NativeRTCIceCandidate(args);\n    };\n    window.RTCIceCandidate.prototype = NativeRTCIceCandidate.prototype;\n    // Hook up the augmented candidate in onicecandidate and\n    // addEventListener('icecandidate', ...)\n    $35583cf39f4111ff$export$1f48841962b828b1(window, \"icecandidate\", (e)=>{\n        if (e.candidate) Object.defineProperty(e, \"candidate\", {\n            value: new window.RTCIceCandidate(e.candidate),\n            writable: \"false\"\n        });\n        return e;\n    });\n}\nfunction $8080a560a280724d$export$fdafb8d8280e29b5(window) {\n    if (!window.RTCIceCandidate || window.RTCIceCandidate && \"relayProtocol\" in window.RTCIceCandidate.prototype) return;\n    // Hook up the augmented candidate in onicecandidate and\n    // addEventListener('icecandidate', ...)\n    $35583cf39f4111ff$export$1f48841962b828b1(window, \"icecandidate\", (e)=>{\n        if (e.candidate) {\n            const parsedCandidate = (0, (/*@__PURE__*/$parcel$interopDefault($257b6346d6d1b15f$exports))).parseCandidate(e.candidate.candidate);\n            if (parsedCandidate.type === \"relay\") // This is a libwebrtc-specific mapping of local type preference\n            // to relayProtocol.\n            e.candidate.relayProtocol = ({\n                0: \"tls\",\n                1: \"tcp\",\n                2: \"udp\"\n            })[parsedCandidate.priority >> 24];\n        }\n        return e;\n    });\n}\nfunction $8080a560a280724d$export$a99147c78a56edc4(window, browserDetails) {\n    if (!window.RTCPeerConnection) return;\n    if (!(\"sctp\" in window.RTCPeerConnection.prototype)) Object.defineProperty(window.RTCPeerConnection.prototype, \"sctp\", {\n        get () {\n            return typeof this._sctp === \"undefined\" ? null : this._sctp;\n        }\n    });\n    const sctpInDescription = function(description) {\n        if (!description || !description.sdp) return false;\n        const sections = (0, (/*@__PURE__*/$parcel$interopDefault($257b6346d6d1b15f$exports))).splitSections(description.sdp);\n        sections.shift();\n        return sections.some((mediaSection)=>{\n            const mLine = (0, (/*@__PURE__*/$parcel$interopDefault($257b6346d6d1b15f$exports))).parseMLine(mediaSection);\n            return mLine && mLine.kind === \"application\" && mLine.protocol.indexOf(\"SCTP\") !== -1;\n        });\n    };\n    const getRemoteFirefoxVersion = function(description) {\n        // TODO: Is there a better solution for detecting Firefox?\n        const match = description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\\d+)/);\n        if (match === null || match.length < 2) return -1;\n        const version = parseInt(match[1], 10);\n        // Test for NaN (yes, this is ugly)\n        return version !== version ? -1 : version;\n    };\n    const getCanSendMaxMessageSize = function(remoteIsFirefox) {\n        // Every implementation we know can send at least 64 KiB.\n        // Note: Although Chrome is technically able to send up to 256 KiB, the\n        //       data does not reach the other peer reliably.\n        //       See: https://bugs.chromium.org/p/webrtc/issues/detail?id=8419\n        let canSendMaxMessageSize = 65536;\n        if (browserDetails.browser === \"firefox\") {\n            if (browserDetails.version < 57) {\n                if (remoteIsFirefox === -1) // FF < 57 will send in 16 KiB chunks using the deprecated PPID\n                // fragmentation.\n                canSendMaxMessageSize = 16384;\n                else // However, other FF (and RAWRTC) can reassemble PPID-fragmented\n                // messages. Thus, supporting ~2 GiB when sending.\n                canSendMaxMessageSize = 2147483637;\n            } else if (browserDetails.version < 60) // Currently, all FF >= 57 will reset the remote maximum message size\n            // to the default value when a data channel is created at a later\n            // stage. :(\n            // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831\n            canSendMaxMessageSize = browserDetails.version === 57 ? 65535 : 65536;\n            else // FF >= 60 supports sending ~2 GiB\n            canSendMaxMessageSize = 2147483637;\n        }\n        return canSendMaxMessageSize;\n    };\n    const getMaxMessageSize = function(description, remoteIsFirefox) {\n        // Note: 65536 bytes is the default value from the SDP spec. Also,\n        //       every implementation we know supports receiving 65536 bytes.\n        let maxMessageSize = 65536;\n        // FF 57 has a slightly incorrect default remote max message size, so\n        // we need to adjust it here to avoid a failure when sending.\n        // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1425697\n        if (browserDetails.browser === \"firefox\" && browserDetails.version === 57) maxMessageSize = 65535;\n        const match = (0, (/*@__PURE__*/$parcel$interopDefault($257b6346d6d1b15f$exports))).matchPrefix(description.sdp, \"a=max-message-size:\");\n        if (match.length > 0) maxMessageSize = parseInt(match[0].substring(19), 10);\n        else if (browserDetails.browser === \"firefox\" && remoteIsFirefox !== -1) // If the maximum message size is not present in the remote SDP and\n        // both local and remote are Firefox, the remote peer can receive\n        // ~2 GiB.\n        maxMessageSize = 2147483637;\n        return maxMessageSize;\n    };\n    const origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;\n    window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {\n        this._sctp = null;\n        // Chrome decided to not expose .sctp in plan-b mode.\n        // As usual, adapter.js has to do an 'ugly worakaround'\n        // to cover up the mess.\n        if (browserDetails.browser === \"chrome\" && browserDetails.version >= 76) {\n            const { sdpSemantics: sdpSemantics } = this.getConfiguration();\n            if (sdpSemantics === \"plan-b\") Object.defineProperty(this, \"sctp\", {\n                get () {\n                    return typeof this._sctp === \"undefined\" ? null : this._sctp;\n                },\n                enumerable: true,\n                configurable: true\n            });\n        }\n        if (sctpInDescription(arguments[0])) {\n            // Check if the remote is FF.\n            const isFirefox = getRemoteFirefoxVersion(arguments[0]);\n            // Get the maximum message size the local peer is capable of sending\n            const canSendMMS = getCanSendMaxMessageSize(isFirefox);\n            // Get the maximum message size of the remote peer.\n            const remoteMMS = getMaxMessageSize(arguments[0], isFirefox);\n            // Determine final maximum message size\n            let maxMessageSize;\n            if (canSendMMS === 0 && remoteMMS === 0) maxMessageSize = Number.POSITIVE_INFINITY;\n            else if (canSendMMS === 0 || remoteMMS === 0) maxMessageSize = Math.max(canSendMMS, remoteMMS);\n            else maxMessageSize = Math.min(canSendMMS, remoteMMS);\n            // Create a dummy RTCSctpTransport object and the 'maxMessageSize'\n            // attribute.\n            const sctp = {};\n            Object.defineProperty(sctp, \"maxMessageSize\", {\n                get () {\n                    return maxMessageSize;\n                }\n            });\n            this._sctp = sctp;\n        }\n        return origSetRemoteDescription.apply(this, arguments);\n    };\n}\nfunction $8080a560a280724d$export$d461c8d5c5db5da7(window) {\n    if (!(window.RTCPeerConnection && \"createDataChannel\" in window.RTCPeerConnection.prototype)) return;\n    // Note: Although Firefox >= 57 has a native implementation, the maximum\n    //       message size can be reset for all data channels at a later stage.\n    //       See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831\n    function wrapDcSend(dc, pc) {\n        const origDataChannelSend = dc.send;\n        dc.send = function send() {\n            const data = arguments[0];\n            const length = data.length || data.size || data.byteLength;\n            if (dc.readyState === \"open\" && pc.sctp && length > pc.sctp.maxMessageSize) throw new TypeError(\"Message too large (can send a maximum of \" + pc.sctp.maxMessageSize + \" bytes)\");\n            return origDataChannelSend.apply(dc, arguments);\n        };\n    }\n    const origCreateDataChannel = window.RTCPeerConnection.prototype.createDataChannel;\n    window.RTCPeerConnection.prototype.createDataChannel = function createDataChannel() {\n        const dataChannel = origCreateDataChannel.apply(this, arguments);\n        wrapDcSend(dataChannel, this);\n        return dataChannel;\n    };\n    $35583cf39f4111ff$export$1f48841962b828b1(window, \"datachannel\", (e)=>{\n        wrapDcSend(e.channel, e.target);\n        return e;\n    });\n}\nfunction $8080a560a280724d$export$63bb816cc75460(window) {\n    if (!window.RTCPeerConnection || \"connectionState\" in window.RTCPeerConnection.prototype) return;\n    const proto = window.RTCPeerConnection.prototype;\n    Object.defineProperty(proto, \"connectionState\", {\n        get () {\n            return ({\n                completed: \"connected\",\n                checking: \"connecting\"\n            })[this.iceConnectionState] || this.iceConnectionState;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(proto, \"onconnectionstatechange\", {\n        get () {\n            return this._onconnectionstatechange || null;\n        },\n        set (cb) {\n            if (this._onconnectionstatechange) {\n                this.removeEventListener(\"connectionstatechange\", this._onconnectionstatechange);\n                delete this._onconnectionstatechange;\n            }\n            if (cb) this.addEventListener(\"connectionstatechange\", this._onconnectionstatechange = cb);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    [\n        \"setLocalDescription\",\n        \"setRemoteDescription\"\n    ].forEach((method)=>{\n        const origMethod = proto[method];\n        proto[method] = function() {\n            if (!this._connectionstatechangepoly) {\n                this._connectionstatechangepoly = (e)=>{\n                    const pc = e.target;\n                    if (pc._lastConnectionState !== pc.connectionState) {\n                        pc._lastConnectionState = pc.connectionState;\n                        const newEvent = new Event(\"connectionstatechange\", e);\n                        pc.dispatchEvent(newEvent);\n                    }\n                    return e;\n                };\n                this.addEventListener(\"iceconnectionstatechange\", this._connectionstatechangepoly);\n            }\n            return origMethod.apply(this, arguments);\n        };\n    });\n}\nfunction $8080a560a280724d$export$a57d114344295149(window, browserDetails) {\n    /* remove a=extmap-allow-mixed for webrtc.org < M71 */ if (!window.RTCPeerConnection) return;\n    if (browserDetails.browser === \"chrome\" && browserDetails.version >= 71) return;\n    if (browserDetails.browser === \"safari\" && browserDetails.version >= 605) return;\n    const nativeSRD = window.RTCPeerConnection.prototype.setRemoteDescription;\n    window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription(desc) {\n        if (desc && desc.sdp && desc.sdp.indexOf(\"\\na=extmap-allow-mixed\") !== -1) {\n            const sdp = desc.sdp.split(\"\\n\").filter((line)=>{\n                return line.trim() !== \"a=extmap-allow-mixed\";\n            }).join(\"\\n\");\n            // Safari enforces read-only-ness of RTCSessionDescription fields.\n            if (window.RTCSessionDescription && desc instanceof window.RTCSessionDescription) arguments[0] = new window.RTCSessionDescription({\n                type: desc.type,\n                sdp: sdp\n            });\n            else desc.sdp = sdp;\n        }\n        return nativeSRD.apply(this, arguments);\n    };\n}\nfunction $8080a560a280724d$export$51d5e40b48c771c7(window, browserDetails) {\n    // Support for addIceCandidate(null or undefined)\n    // as well as addIceCandidate({candidate: \"\", ...})\n    // https://bugs.chromium.org/p/chromium/issues/detail?id=978582\n    // Note: must be called before other polyfills which change the signature.\n    if (!(window.RTCPeerConnection && window.RTCPeerConnection.prototype)) return;\n    const nativeAddIceCandidate = window.RTCPeerConnection.prototype.addIceCandidate;\n    if (!nativeAddIceCandidate || nativeAddIceCandidate.length === 0) return;\n    window.RTCPeerConnection.prototype.addIceCandidate = function addIceCandidate() {\n        if (!arguments[0]) {\n            if (arguments[1]) arguments[1].apply(null);\n            return Promise.resolve();\n        }\n        // Firefox 68+ emits and processes {candidate: \"\", ...}, ignore\n        // in older versions.\n        // Native support for ignoring exists for Chrome M77+.\n        // Safari ignores as well, exact version unknown but works in the same\n        // version that also ignores addIceCandidate(null).\n        if ((browserDetails.browser === \"chrome\" && browserDetails.version < 78 || browserDetails.browser === \"firefox\" && browserDetails.version < 68 || browserDetails.browser === \"safari\") && arguments[0] && arguments[0].candidate === \"\") return Promise.resolve();\n        return nativeAddIceCandidate.apply(this, arguments);\n    };\n}\nfunction $8080a560a280724d$export$7170d04e59f9d553(window, browserDetails) {\n    if (!(window.RTCPeerConnection && window.RTCPeerConnection.prototype)) return;\n    const nativeSetLocalDescription = window.RTCPeerConnection.prototype.setLocalDescription;\n    if (!nativeSetLocalDescription || nativeSetLocalDescription.length === 0) return;\n    window.RTCPeerConnection.prototype.setLocalDescription = function setLocalDescription() {\n        let desc = arguments[0] || {};\n        if (typeof desc !== \"object\" || desc.type && desc.sdp) return nativeSetLocalDescription.apply(this, arguments);\n        // The remaining steps should technically happen when SLD comes off the\n        // RTCPeerConnection's operations chain (not ahead of going on it), but\n        // this is too difficult to shim. Instead, this shim only covers the\n        // common case where the operations chain is empty. This is imperfect, but\n        // should cover many cases. Rationale: Even if we can't reduce the glare\n        // window to zero on imperfect implementations, there's value in tapping\n        // into the perfect negotiation pattern that several browsers support.\n        desc = {\n            type: desc.type,\n            sdp: desc.sdp\n        };\n        if (!desc.type) switch(this.signalingState){\n            case \"stable\":\n            case \"have-local-offer\":\n            case \"have-remote-pranswer\":\n                desc.type = \"offer\";\n                break;\n            default:\n                desc.type = \"answer\";\n                break;\n        }\n        if (desc.sdp || desc.type !== \"offer\" && desc.type !== \"answer\") return nativeSetLocalDescription.apply(this, [\n            desc\n        ]);\n        const func = desc.type === \"offer\" ? this.createOffer : this.createAnswer;\n        return func.apply(this).then((d)=>nativeSetLocalDescription.apply(this, [\n                d\n            ]));\n    };\n}\n\n\n\nfunction $bfdf465d320daaf1$export$e77bf46c04ac7d12({ window: window } = {}, options = {\n    shimChrome: true,\n    shimFirefox: true,\n    shimSafari: true\n}) {\n    // Utils.\n    const logging = $35583cf39f4111ff$export$bef1f36f5486a6a3;\n    const browserDetails = $35583cf39f4111ff$export$2d31490a0c05f094(window);\n    const adapter = {\n        browserDetails: browserDetails,\n        commonShim: $8080a560a280724d$exports,\n        extractVersion: $35583cf39f4111ff$export$e3c02be309be1f23,\n        disableLog: $35583cf39f4111ff$export$afbfee8cc06fd3e4,\n        disableWarnings: $35583cf39f4111ff$export$51516be4b019e41e,\n        sdp: // Expose sdp as a convenience. For production apps include directly.\n        $257b6346d6d1b15f$exports\n    };\n    // Shim browser if found.\n    switch(browserDetails.browser){\n        case \"chrome\":\n            if (!$e3f02d0a98ccb0db$exports || !$e3f02d0a98ccb0db$exports.shimPeerConnection || !options.shimChrome) {\n                logging(\"Chrome shim is not included in this adapter release.\");\n                return adapter;\n            }\n            if (browserDetails.version === null) {\n                logging(\"Chrome shim can not determine version, not shimming.\");\n                return adapter;\n            }\n            logging(\"adapter.js shimming chrome.\");\n            // Export to the adapter global object visible in the browser.\n            adapter.browserShim = $e3f02d0a98ccb0db$exports;\n            // Must be called before shimPeerConnection.\n            $8080a560a280724d$export$51d5e40b48c771c7(window, browserDetails);\n            $8080a560a280724d$export$7170d04e59f9d553(window, browserDetails);\n            $e3f02d0a98ccb0db$exports.shimGetUserMedia(window, browserDetails);\n            $e3f02d0a98ccb0db$exports.shimMediaStream(window, browserDetails);\n            $e3f02d0a98ccb0db$exports.shimPeerConnection(window, browserDetails);\n            $e3f02d0a98ccb0db$exports.shimOnTrack(window, browserDetails);\n            $e3f02d0a98ccb0db$exports.shimAddTrackRemoveTrack(window, browserDetails);\n            $e3f02d0a98ccb0db$exports.shimGetSendersWithDtmf(window, browserDetails);\n            $e3f02d0a98ccb0db$exports.shimGetStats(window, browserDetails);\n            $e3f02d0a98ccb0db$exports.shimSenderReceiverGetStats(window, browserDetails);\n            $e3f02d0a98ccb0db$exports.fixNegotiationNeeded(window, browserDetails);\n            $8080a560a280724d$export$cf133661e444ccfe(window, browserDetails);\n            $8080a560a280724d$export$fdafb8d8280e29b5(window, browserDetails);\n            $8080a560a280724d$export$63bb816cc75460(window, browserDetails);\n            $8080a560a280724d$export$a99147c78a56edc4(window, browserDetails);\n            $8080a560a280724d$export$d461c8d5c5db5da7(window, browserDetails);\n            $8080a560a280724d$export$a57d114344295149(window, browserDetails);\n            break;\n        case \"firefox\":\n            if (!$5c8245455fb0fb72$exports || !$5c8245455fb0fb72$exports.shimPeerConnection || !options.shimFirefox) {\n                logging(\"Firefox shim is not included in this adapter release.\");\n                return adapter;\n            }\n            logging(\"adapter.js shimming firefox.\");\n            // Export to the adapter global object visible in the browser.\n            adapter.browserShim = $5c8245455fb0fb72$exports;\n            // Must be called before shimPeerConnection.\n            $8080a560a280724d$export$51d5e40b48c771c7(window, browserDetails);\n            $8080a560a280724d$export$7170d04e59f9d553(window, browserDetails);\n            $5c8245455fb0fb72$exports.shimGetUserMedia(window, browserDetails);\n            $5c8245455fb0fb72$exports.shimPeerConnection(window, browserDetails);\n            $5c8245455fb0fb72$exports.shimOnTrack(window, browserDetails);\n            $5c8245455fb0fb72$exports.shimRemoveStream(window, browserDetails);\n            $5c8245455fb0fb72$exports.shimSenderGetStats(window, browserDetails);\n            $5c8245455fb0fb72$exports.shimReceiverGetStats(window, browserDetails);\n            $5c8245455fb0fb72$exports.shimRTCDataChannel(window, browserDetails);\n            $5c8245455fb0fb72$exports.shimAddTransceiver(window, browserDetails);\n            $5c8245455fb0fb72$exports.shimGetParameters(window, browserDetails);\n            $5c8245455fb0fb72$exports.shimCreateOffer(window, browserDetails);\n            $5c8245455fb0fb72$exports.shimCreateAnswer(window, browserDetails);\n            $8080a560a280724d$export$cf133661e444ccfe(window, browserDetails);\n            $8080a560a280724d$export$63bb816cc75460(window, browserDetails);\n            $8080a560a280724d$export$a99147c78a56edc4(window, browserDetails);\n            $8080a560a280724d$export$d461c8d5c5db5da7(window, browserDetails);\n            break;\n        case \"safari\":\n            if (!$4bb6650df37cb8fe$exports || !options.shimSafari) {\n                logging(\"Safari shim is not included in this adapter release.\");\n                return adapter;\n            }\n            logging(\"adapter.js shimming safari.\");\n            // Export to the adapter global object visible in the browser.\n            adapter.browserShim = $4bb6650df37cb8fe$exports;\n            // Must be called before shimCallbackAPI.\n            $8080a560a280724d$export$51d5e40b48c771c7(window, browserDetails);\n            $8080a560a280724d$export$7170d04e59f9d553(window, browserDetails);\n            $4bb6650df37cb8fe$exports.shimRTCIceServerUrls(window, browserDetails);\n            $4bb6650df37cb8fe$exports.shimCreateOfferLegacy(window, browserDetails);\n            $4bb6650df37cb8fe$exports.shimCallbacksAPI(window, browserDetails);\n            $4bb6650df37cb8fe$exports.shimLocalStreamsAPI(window, browserDetails);\n            $4bb6650df37cb8fe$exports.shimRemoteStreamsAPI(window, browserDetails);\n            $4bb6650df37cb8fe$exports.shimTrackEventTransceiver(window, browserDetails);\n            $4bb6650df37cb8fe$exports.shimGetUserMedia(window, browserDetails);\n            $4bb6650df37cb8fe$exports.shimAudioContext(window, browserDetails);\n            $8080a560a280724d$export$cf133661e444ccfe(window, browserDetails);\n            $8080a560a280724d$export$fdafb8d8280e29b5(window, browserDetails);\n            $8080a560a280724d$export$a99147c78a56edc4(window, browserDetails);\n            $8080a560a280724d$export$d461c8d5c5db5da7(window, browserDetails);\n            $8080a560a280724d$export$a57d114344295149(window, browserDetails);\n            break;\n        default:\n            logging(\"Unsupported browser!\");\n            break;\n    }\n    return adapter;\n}\n\n\n\"use strict\";\nconst $c8e074d8a8847700$var$adapter = (0, $bfdf465d320daaf1$export$e77bf46c04ac7d12)({\n    window: typeof window === \"undefined\" ? undefined : window\n});\nvar $c8e074d8a8847700$export$2e2bcd8739ae039 = $c8e074d8a8847700$var$adapter;\n\n\nclass $b318be68d2b2c029$export$2e2bcd8739ae039 {\n    rtc;\n    peer;\n    webrtc;\n    totalSize = 0;\n    isReady = false;\n    isStarted = false;\n    isSending = false;\n    isRecaiving = false;\n    processedSize = 0;\n    recaivedFile;\n    bufferSizePerChannel = 10e6;\n    bufferSizePerPack = 10e3;\n    safeBufferSizePerPack = 9999;\n    constructor(webrtc, peer){\n        this.webrtc = webrtc;\n        this.rtc = webrtc.rtc;\n        this.peer = peer;\n    }\n    async RecaiveFile(_rtc, fileMetadata, channelCount, _totalSize, onEnded) {\n        //let totals = {};\n        // let index = 0;\n        /*setChannelStatus(Array.from({length:channelCount}).map((e, index) => {\n            return {\n                name: `${index+1}. Kanal`,\n                current: 0,\n                currentTotal: 0,\n                total: 0\n            }\n        }));*/ let parts = [];\n        this.webrtc.on(\"datachannel\", (datachannel)=>{\n            //let channelIndex = index++;\n            let current = 0;\n            let totalSize = 0;\n            let currentPart = 0;\n            let bufferAmount = [];\n            datachannel.onmessage = function({ data: data }) {\n                if (totalSize == 0) {\n                    let { size: size, part: part } = JSON.parse(data);\n                    totalSize = size;\n                    currentPart = part;\n                    /*updateChannelStatus(channelIndex, n => {\n                        return {\n                            ...n,\n                            total: totalSize,\n                            current: 0\n                        }\n                    });*/ datachannel.send(\"READY\");\n                } else {\n                    current += data.byteLength;\n                    bufferAmount.push(data);\n                    /*updateChannelStatus(channelIndex, n => {\n                        return {\n                            ...n,\n                            current: data.byteLength + n.current,\n                            currentTotal: data.byteLength + n.currentTotal,\n                        }\n                    });\n                    setProcessedSize(n => n + data.byteLength);*/ if (current == totalSize) {\n                        parts[currentPart] = new Blob(bufferAmount);\n                        bufferAmount = [];\n                        //totals[datachannel.label] += totalSize;\n                        totalSize = 0;\n                        currentPart = 0;\n                        current = 0;\n                        datachannel.send(\"TOTAL_RECAIVED\");\n                    }\n                }\n            };\n            datachannel.onclose = ()=>{\n                channelCount--;\n                if (channelCount == 0) {\n                    let file = new File(parts, fileMetadata.name, {\n                        type: fileMetadata.type,\n                        lastModified: +new Date\n                    });\n                    onEnded(file);\n                }\n            };\n        });\n    }\n    async SendFile(file, metadata) {\n        this.isSending = true;\n        this.isStarted = true;\n        let buffer = await file.arrayBuffer();\n        let partCount = Math.ceil(buffer.byteLength / 10e6);\n        let channelCount = Math.min(5, partCount);\n        if (this.webrtc.iceStatus != \"connected\") throw new Error(\"WebRTC is a not ready\");\n        this.peer.send({\n            type: \"file\",\n            name: file.name,\n            size: file.size,\n            mimetype: file.type,\n            partCount: partCount,\n            channelCount: channelCount,\n            metadata: metadata\n        });\n        let channels = [];\n        for(let channelIndex = 0; channelIndex < channelCount; channelIndex++){\n            let channel = this.rtc.createDataChannel(\"\\\\?\\\\file_\" + channelIndex);\n            channel.binaryType = \"arraybuffer\";\n            await new Promise((ok)=>{\n                channel.onopen = ()=>{\n                    ok(void 0);\n                };\n            });\n            channels.push(channel);\n        }\n        let currentPart = 0;\n        let next = ()=>{\n            if (currentPart < partCount) {\n                let bufferPart = buffer.slice(currentPart * 10e6, currentPart * 10e6 + 10e6);\n                currentPart++;\n                return [\n                    bufferPart,\n                    currentPart - 1\n                ];\n            }\n            return [\n                false,\n                0\n            ];\n        };\n        let spyChannelIndex = channels.length;\n        await new Promise((ok)=>{\n            for(let channelIndex = 0; channelIndex < channels.length; channelIndex++)this.sendPartition(channels[channelIndex], next, channelIndex, ()=>{\n                spyChannelIndex--;\n                if (spyChannelIndex == 0) {\n                    this.isSending = false;\n                    this.isStarted = false;\n                    ok(undefined);\n                }\n            });\n        });\n    }\n    sendPartition(channel, nextblob10mb, _channelIndex, onEnded) {\n        let [currentBuffer, currentPartition] = nextblob10mb();\n        let currentPart = 0;\n        let next = ()=>{\n            if (!(currentBuffer instanceof ArrayBuffer)) return;\n            let bufferPart = currentBuffer.slice(currentPart * 16e3, currentPart * 16e3 + 16e3);\n            currentPart++;\n            if (bufferPart.byteLength != 0) /*\n                updateChannelStatus(channelIndex, n => {\n                    return {\n                        ...n,\n                        current: bufferPart.byteLength + n.current,\n                        currentTotal: bufferPart.byteLength + n.currentTotal\n                    }\n                });\n                setProcessedSize(n => n + bufferPart.byteLength);\n                */ return bufferPart;\n        };\n        channel.addEventListener(\"message\", ({ data: data })=>{\n            if (data == \"READY\") this.sendFileChannel(channel, next);\n            if (data == \"TOTAL_RECAIVED\") {\n                [currentBuffer, currentPartition] = nextblob10mb();\n                currentPart = 0;\n                if (currentBuffer != false) /*updateChannelStatus(channelIndex, n => {\n                        return {\n                            ...n,\n                            total: currentBuffer.byteLength,\n                            current: 0,\n                        }\n                    });*/ channel.send(JSON.stringify({\n                    size: currentBuffer.byteLength,\n                    part: currentPartition\n                }));\n                else {\n                    channel.close();\n                    onEnded();\n                }\n            }\n        });\n        channel.send(JSON.stringify({\n            size: currentBuffer.byteLength,\n            part: currentPartition\n        }));\n    }\n    sendFileChannel(channel, getNextBlob) {\n        channel.addEventListener(\"bufferedamountlow\", function() {\n            let buffer = getNextBlob();\n            if (buffer) channel.send(buffer);\n        });\n        channel.bufferedAmountLowThreshold = 15999;\n        let c = getNextBlob();\n        c && channel.send(c);\n    }\n}\n\n\n\nclass $895bfe3da380c655$export$2e2bcd8739ae039 {\n    static channels = new Map();\n    static requireGC = false;\n    id;\n    active = false;\n    connectionStatus = \"new\";\n    iceStatus = \"new\";\n    gatheringStatus = \"new\";\n    signalingStatus = \"\";\n    rtc;\n    recaivingStream = new Map();\n    sendingStream = new Map();\n    events = {};\n    channel;\n    static defaultRTCConfig = {\n        iceCandidatePoolSize: 0,\n        iceTransportPolicy: \"all\",\n        rtcpMuxPolicy: \"require\"\n    };\n    static defaultICEServers = [\n        {\n            urls: \"stun:stun.l.google.com:19302\"\n        },\n        {\n            urls: \"stun:stun1.l.google.com:19302\"\n        },\n        {\n            urls: \"stun:stun2.l.google.com:19302\"\n        },\n        {\n            urls: \"stun:stun3.l.google.com:19302\"\n        },\n        {\n            urls: \"stun:stun4.l.google.com:19302\"\n        }\n    ];\n    peer;\n    FileTransportChannel;\n    constructor(rtcConfig, rtcServers){\n        let config = {};\n        if (rtcConfig) Object.assign(config, $895bfe3da380c655$export$2e2bcd8739ae039.defaultRTCConfig, rtcConfig);\n        else Object.assign(config, $895bfe3da380c655$export$2e2bcd8739ae039.defaultRTCConfig);\n        config.iceServers = rtcServers || $895bfe3da380c655$export$2e2bcd8739ae039.defaultICEServers;\n        this.rtc = new RTCPeerConnection(config);\n        this.rtc.addEventListener(\"connectionstatechange\", ()=>{\n            this.eventConnectionState();\n        });\n        this.rtc.addEventListener(\"icecandidate\", (...args)=>{\n            this.eventIcecandidate(...args);\n        });\n        this.rtc.addEventListener(\"iceconnectionstatechange\", ()=>{\n            this.eventICEConnectionState();\n        });\n        this.rtc.addEventListener(\"icegatheringstatechange\", ()=>{\n            this.eventICEGatherinState();\n        });\n        this.rtc.addEventListener(\"negotiationneeded\", ()=>{\n            this.eventNogationNeeded();\n        });\n        this.rtc.addEventListener(\"signalingstatechange\", ()=>{\n            this.eventSignalingState();\n        });\n        this.rtc.addEventListener(\"track\", (...args)=>{\n            this.eventTrack(...args);\n        });\n        this.rtc.addEventListener(\"datachannel\", (...args)=>{\n            this.eventDatachannel(...args);\n        });\n        this.on(\"input\", async (data)=>{\n            switch(data.type){\n                case \"icecandidate\":\n                    await this.rtc.addIceCandidate(new RTCIceCandidate(data.value));\n                    break;\n                case \"offer\":\n                    {\n                        await this.rtc.setRemoteDescription(new RTCSessionDescription(data.value));\n                        let answer = await this.rtc.createAnswer({\n                            offerToReceiveAudio: true,\n                            offerToReceiveVideo: true\n                        });\n                        await this.rtc.setLocalDescription(answer);\n                        this.send({\n                            type: \"answer\",\n                            value: answer\n                        });\n                        break;\n                    }\n                case \"answer\":\n                    await this.rtc.setRemoteDescription(new RTCSessionDescription(data.value));\n                    break;\n                case \"streamInfo\":\n                    {\n                        let { id: id, value: value } = data;\n                        let streamInfo = this.recaivingStream.get(id);\n                        if (!streamInfo) this.recaivingStream.set(id, value);\n                        else this.recaivingStream.set(id, {\n                            ...streamInfo,\n                            ...value\n                        });\n                        this.send({\n                            type: \"streamAccept\",\n                            id: id\n                        });\n                        break;\n                    }\n                case \"streamRemoved\":\n                    {\n                        let { id: id } = data;\n                        this.emit(\"stream:stopped\", this.recaivingStream.get(id));\n                        this.sendingStream.delete(id);\n                        break;\n                    }\n                case \"streamAccept\":\n                    {\n                        let { id: id } = data;\n                        let sendingStream = this.sendingStream.get(id);\n                        let senders = [];\n                        if (sendingStream && sendingStream.stream) {\n                            for (const track of sendingStream.stream.getTracks())senders.push(this.rtc.addTrack(track, sendingStream.stream));\n                            sendingStream.senders = senders;\n                        }\n                        break;\n                    }\n                case \"message\":\n                    this.emit(\"message\", data.payload);\n                    break;\n            }\n        });\n    }\n    addEventListener(event, callback) {\n        (this.events[event] || (this.events[event] = [])).push(callback);\n    }\n    on(event, callback) {\n        this.addEventListener(event, callback);\n    }\n    async dispatch(event, ...args) {\n        if (this.events[event]) for (const callback of this.events[event])await callback(...args);\n    }\n    async emit(event, ...args) {\n        await this.dispatch(event, ...args);\n    }\n    connect() {\n        if (!this.channel) this.createDefaultDataChannel();\n    }\n    sendMessage(data) {\n        this.send({\n            type: \"message\",\n            payload: data\n        });\n    }\n    createDefaultDataChannel() {\n        let dt = this.rtc.createDataChannel(\":default:\", {\n            ordered: true\n        });\n        dt.addEventListener(\"open\", ()=>{\n            this.channel = dt;\n            $895bfe3da380c655$export$2e2bcd8739ae039.channels.set(this.id, this);\n            this.active = true;\n        });\n        dt.addEventListener(\"message\", ({ data: data })=>{\n            let pack = JSON.parse(data);\n            this.emit(\"input\", pack);\n        });\n        dt.addEventListener(\"close\", ()=>{\n            this.channel = undefined;\n            this.active = false;\n        });\n    }\n    destroy() {\n        this.active = false;\n        if (this.channel) {\n            this.channel.close();\n            this.channel = undefined;\n        }\n        if (this.rtc) this.rtc.close();\n        this.emit(\"disconnected\");\n        $895bfe3da380c655$export$2e2bcd8739ae039.channels.delete(this.id);\n    }\n    eventDatachannel(event) {\n        if (event.channel.label == \":default:\") {\n            $895bfe3da380c655$export$2e2bcd8739ae039.channels.set(this.id, this);\n            this.channel = event.channel;\n            this.active = true;\n            event.channel.addEventListener(\"message\", ({ data: data })=>{\n                let pack = JSON.parse(data);\n                this.emit(\"input\", pack);\n            });\n            event.channel.addEventListener(\"close\", ()=>{\n                this.channel = undefined;\n                $895bfe3da380c655$export$2e2bcd8739ae039.channels.delete(this.id);\n                $895bfe3da380c655$export$2e2bcd8739ae039.requireGC = true;\n            });\n        } else this.emit(\"datachannel\", event.channel);\n    }\n    send(data) {\n        if (this.channel?.readyState == \"open\") this.channel.send(JSON.stringify(data));\n        else this.emit(\"output\", data);\n    }\n    eventConnectionState() {\n        this.connectionStatus = this.rtc.connectionState;\n        if (this.connectionStatus == \"connected\") {\n            if (this.active == false) this.emit(\"connected\");\n        }\n        if (this.connectionStatus == \"failed\" || this.connectionStatus == \"disconnected\" || this.connectionStatus == \"closed\") {\n            if (this.active) this.destroy();\n        }\n    }\n    eventIcecandidate(event) {\n        if (event.candidate) this.send({\n            type: \"icecandidate\",\n            value: event.candidate\n        });\n    }\n    eventICEConnectionState() {\n        this.iceStatus = this.rtc.iceConnectionState;\n    }\n    eventICEGatherinState() {\n        this.gatheringStatus = this.rtc.iceGatheringState;\n    }\n    async eventNogationNeeded() {\n        let offer = await this.rtc.createOffer({\n            iceRestart: true,\n            offerToReceiveAudio: true,\n            offerToReceiveVideo: true\n        });\n        await this.rtc.setLocalDescription(offer);\n        this.send({\n            type: \"offer\",\n            value: offer\n        });\n    }\n    eventSignalingState() {\n        this.signalingStatus = this.rtc.signalingState;\n    }\n    eventTrack(event) {\n        let rtpRecaiver = event.receiver;\n        if (event.streams.length) for (const stream of event.streams){\n            let streamInfo = this.recaivingStream.get(stream.id);\n            (streamInfo.recaivers || (streamInfo.recaivers = [])).push(rtpRecaiver);\n            if (this.recaivingStream.get(stream.id).stream == null) {\n                streamInfo.stream = stream;\n                this.emit(\"stream:added\", this.recaivingStream.get(stream.id));\n            } else streamInfo.stream = stream;\n        }\n    }\n    sendStream(stream, name, info) {\n        this.send({\n            type: \"streamInfo\",\n            id: stream.id,\n            value: {\n                ...info,\n                name: name\n            }\n        });\n        this.sendingStream.set(stream.id, {\n            ...info,\n            id: stream.id,\n            name: name,\n            stream: stream\n        });\n    }\n    stopStream(_stream) {\n        if (this.connectionStatus != \"connected\") return;\n        if (this.sendingStream.has(_stream.id)) {\n            let { stream: stream } = this.sendingStream.get(_stream.id);\n            for (const track of stream.getTracks()){\n                for (const RTCPSender of this.rtc.getSenders())if (RTCPSender.track?.id == track.id) this.rtc.removeTrack(RTCPSender);\n            }\n            this.send({\n                type: \"streamRemoved\",\n                id: stream.id\n            });\n            this.sendingStream.delete(_stream.id);\n        }\n    }\n    stopAllStreams() {\n        if (this.connectionStatus != \"connected\") return;\n        for (const [, { stream: stream }] of this.sendingStream){\n            if (stream == undefined) continue;\n            for (const track of stream.getTracks()){\n                for (const RTCPSender of this.rtc.getSenders())if (RTCPSender.track?.id == track.id) this.rtc.removeTrack(RTCPSender);\n            }\n            this.send({\n                type: \"streamRemoved\",\n                id: stream.id\n            });\n        }\n        this.sendingStream.clear();\n    }\n    async SendFile(file, meta) {\n        if (!this.peer) throw new Error(\"Peer is not ready\");\n        this.FileTransportChannel = new (0, $b318be68d2b2c029$export$2e2bcd8739ae039)(this, this.peer);\n        await this.FileTransportChannel.SendFile(file, meta);\n    }\n    async RecaiveFile(chnlCount, filemeta, totalSize) {\n        if (!this.peer) throw new Error(\"Peer is not ready\");\n        this.FileTransportChannel = new (0, $b318be68d2b2c029$export$2e2bcd8739ae039)(this, this.peer);\n        return await new Promise((recaivedFile)=>{\n            if (this.FileTransportChannel) this.FileTransportChannel.RecaiveFile(this.rtc, filemeta, chnlCount, totalSize, (file)=>{\n                recaivedFile(file);\n            });\n        });\n    }\n}\n$895bfe3da380c655$export$2e2bcd8739ae039.requireGC = false;\nsetInterval(()=>{\n    if ($895bfe3da380c655$export$2e2bcd8739ae039.requireGC == false) return;\n    let img = document.createElement(\"img\");\n    img.src = window.URL.createObjectURL(new Blob([\n        new ArrayBuffer(5e+7)\n    ]));\n    img.onerror = function() {\n        window.URL.revokeObjectURL(this.src);\n    };\n    $895bfe3da380c655$export$2e2bcd8739ae039.requireGC = false;\n}, 3000);\n\n\nvar $9f6c30de484136d4$var$IMessageSymbase;\n(function($9f6c30de484136d4$var$IMessageSymbase) {\n    $9f6c30de484136d4$var$IMessageSymbase[$9f6c30de484136d4$var$IMessageSymbase[\"PayloadMessagePack\"] = -12873.54] = \"PayloadMessagePack\";\n    $9f6c30de484136d4$var$IMessageSymbase[$9f6c30de484136d4$var$IMessageSymbase[\"PayloadRTCBasePack\"] = -12884.54] = \"PayloadRTCBasePack\";\n})($9f6c30de484136d4$var$IMessageSymbase || ($9f6c30de484136d4$var$IMessageSymbase = {}));\nclass $9f6c30de484136d4$export$2e2bcd8739ae039 extends (0, $639a7a490074f3f2$export$2e2bcd8739ae039) {\n    mwse;\n    options = {};\n    socketId;\n    selfSocket = false;\n    active = false;\n    info;\n    rtc;\n    peerConnection = false;\n    primaryChannel = \"datachannel\";\n    constructor(wsts){\n        super();\n        this.mwse = wsts;\n        this.info = new (0, $d7d20b916ab000fe$export$f3bd5f68ae16de)(this);\n        this.on(\"pack\", (data)=>{\n            if (data.type == \":rtcbase_pack:\") {\n                if (this.rtc) return this.rtc.emit(\"input\", data.payload);\n                return console.warn(\"Not active rtc but recaived rtc packs\");\n            }\n            this.emit(\"message\", data);\n        });\n    }\n    createRTC(rtcConfig, rtcServers) {\n        this.rtc = new (0, $895bfe3da380c655$export$2e2bcd8739ae039)(rtcConfig, rtcServers);\n        this.rtc.peer = this;\n        this.rtc.on(\"connected\", ()=>{\n            this.peerConnection = true;\n        });\n        this.rtc.on(\"disconnected\", ()=>{\n            this.peerConnection = false;\n        });\n        this.rtc.on(\"output\", (payload)=>{\n            this.send({\n                type: \":rtcbase_pack:\",\n                payload: payload\n            });\n        });\n        this.rtc.on(\"message\", (payload)=>{\n            this.emit(\"pack\", payload);\n        });\n        return this.rtc;\n    }\n    setPeerOptions(options) {\n        if (typeof options == \"string\") this.setSocketId(options);\n        else this.options = options;\n    }\n    setSocketId(uuid) {\n        this.socketId = uuid;\n    }\n    async metadata() {\n        if (this.socketId == \"me\") {\n            let result = await this.mwse.EventPooling.request({\n                type: \"my/socketid\"\n            });\n            this.selfSocket = true;\n            this.active ||= true;\n            this.socketId = result;\n            this.emit(\"scope\");\n            this.activeScope = true;\n            return result;\n        }\n    }\n    async request(pack) {\n        if (this.active) return await this.mwse.request(this.socketId, pack);\n    }\n    equalTo(peer) {\n        return this.socketId == peer.socketId;\n    }\n    async isReachable() {\n        return await this.mwse.EventPooling.request({\n            type: \"is/reachable\",\n            to: this.socketId\n        });\n    }\n    async enablePairAuth() {\n        await this.mwse.EventPooling.request({\n            type: \"auth/pair-system\",\n            value: \"everybody\"\n        });\n    }\n    async disablePairAuth() {\n        await this.mwse.EventPooling.request({\n            type: \"auth/pair-system\",\n            value: \"disable\"\n        });\n    }\n    async enablePairInfo() {\n        await this.mwse.EventPooling.request({\n            type: \"connection/pairinfo\",\n            value: true\n        });\n    }\n    async disablePairInfo() {\n        await this.mwse.EventPooling.request({\n            type: \"connection/pairinfo\",\n            value: false\n        });\n    }\n    async requestPair() {\n        let { message: message, status: status } = await this.mwse.EventPooling.request({\n            type: \"request/pair\",\n            to: this.socketId\n        });\n        if (message == \"ALREADY-PAIRED\" || message == \"ALREADY-REQUESTED\") console.warn(\"Already paired or pair requested\");\n        if (status == \"fail\") {\n            console.error(\"Request Pair Error\", status, message);\n            return false;\n        }\n        return true;\n    }\n    async endPair() {\n        await this.mwse.EventPooling.request({\n            type: \"end/pair\",\n            to: this.socketId\n        });\n        this.forget();\n    }\n    async acceptPair() {\n        let { message: message, status: status } = await this.mwse.EventPooling.request({\n            type: \"accept/pair\",\n            to: this.socketId\n        });\n        if (status == \"fail\") {\n            console.error(\"Pair Error\", status, message);\n            return false;\n        }\n        return true;\n    }\n    async rejectPair() {\n        let { message: message, status: status } = await this.mwse.EventPooling.request({\n            type: \"reject/pair\",\n            to: this.socketId\n        });\n        if (status == \"fail\") {\n            console.error(\"Pair Error\", status, message);\n            return false;\n        }\n        return true;\n    }\n    async getPairedList() {\n        let { value: value } = await this.mwse.EventPooling.request({\n            type: \"pair/list\",\n            to: this.socketId\n        });\n        return value;\n    }\n    async send(pack) {\n        let isOpenedP2P = this.peerConnection && this.rtc?.active;\n        let isOpenedServer = this.mwse.server.connected;\n        let sendChannel;\n        if (isOpenedP2P && isOpenedServer) {\n            if (this.primaryChannel == \"websocket\") sendChannel = \"websocket\";\n            else sendChannel = \"datachannel\";\n        } else if (isOpenedServer) sendChannel = \"websocket\";\n        else sendChannel = \"datachannel\";\n        if (sendChannel == \"websocket\") {\n            if (!this.mwse.writable) return console.warn(\"Socket is not writable\");\n            await this.mwse.EventPooling.request({\n                type: \"pack/to\",\n                pack: pack,\n                to: this.socketId\n            });\n        } else this.rtc?.sendMessage(pack);\n    }\n    async forget() {\n        this.mwse.peers.delete(this.socketId);\n        this.mwse.pairs.delete(this.socketId);\n    }\n}\n\n\n\nclass $59e4377e2cc5e2be$export$f106f681f3286480 {\n    room;\n    info = {};\n    constructor(room){\n        this.room = room;\n        this.room.on(\"updateinfo\", (name, value)=>{\n            this.info[name] = value;\n        });\n    }\n    async fetch(name) {\n        if (name) {\n            let rinfo = await this.room.mwse.EventPooling.request({\n                type: \"room/getinfo\",\n                roomId: this.room.roomId,\n                name: name\n            });\n            if (rinfo.status == \"success\") this.info = rinfo.value;\n            else console.warn(rinfo.message);\n        } else {\n            let rinfo = await this.room.mwse.EventPooling.request({\n                type: \"room/info\",\n                roomId: this.room.roomId\n            });\n            if (rinfo.status == \"success\") this.info = rinfo.value;\n            else console.warn(rinfo.message);\n        }\n        return this.info;\n    }\n    set(name, value) {\n        this.info[name] = value;\n        this.room.mwse.WSTSProtocol.SendOnly({\n            type: \"room/setinfo\",\n            roomId: this.room.roomId,\n            name: name,\n            value: value\n        });\n    }\n    get(name) {\n        return name ? this.info[name] : this.info;\n    }\n}\n\n\nclass $4415e33c9749fde6$export$2e2bcd8739ae039 extends (0, $639a7a490074f3f2$export$2e2bcd8739ae039) {\n    mwse;\n    options;\n    roomId;\n    accessType;\n    description;\n    joinType;\n    name;\n    owner;\n    peers = new Map();\n    info;\n    constructor(wsts){\n        super();\n        this.mwse = wsts;\n        this.info = new (0, $59e4377e2cc5e2be$export$f106f681f3286480)(this);\n    }\n    setRoomOptions(options) {\n        if (typeof options == \"string\") this.roomId = options;\n        else {\n            let defaultOptions = {\n                joinType: \"free\",\n                ifexistsJoin: true,\n                accessType: \"private\",\n                notifyActionInvite: true,\n                notifyActionJoined: true,\n                notifyActionEjected: true,\n                autoFetchInfo: true\n            };\n            Object.assign(defaultOptions, options);\n            this.options = defaultOptions;\n        }\n    }\n    setRoomId(uuid) {\n        this.roomId = uuid;\n    }\n    async createRoom(roomOptions) {\n        let options = this.options || roomOptions;\n        let result = await this.mwse.EventPooling.request({\n            type: \"create-room\",\n            ...options\n        });\n        if (result.status == \"fail\") {\n            if (result.message == \"ALREADY-EXISTS\" && this.options.ifexistsJoin) return this.join();\n            throw new Error(result.message || result.messages);\n        } else {\n            this.options = {\n                ...this.options,\n                ...result.room\n            };\n            this.roomId = result.room.id;\n            this.mwse.rooms.set(this.roomId, this);\n        }\n    }\n    async join() {\n        let result = await this.mwse.EventPooling.request({\n            type: \"joinroom\",\n            name: this.options.name,\n            credential: this.options.credential,\n            autoFetchInfo: this.options.autoFetchInfo || false\n        });\n        if (result.status == \"fail\") throw new Error(result.message);\n        else {\n            this.options = {\n                ...this.options,\n                ...result.room\n            };\n            if (result.info) this.info.info = result.info;\n            this.roomId = result.room.id;\n            this.mwse.rooms.set(this.roomId, this);\n        }\n    }\n    async eject() {\n        let { type: type } = await this.mwse.EventPooling.request({\n            type: \"ejectroom\",\n            roomId: this.roomId\n        });\n        this.peers.clear();\n        if (type == \"success\") this.mwse.rooms.delete(this.roomId);\n    }\n    async send(pack, wom = false) {\n        if (!this.mwse.writable) return console.warn(\"Socket is not writable\");\n        await this.mwse.EventPooling.request({\n            type: \"pack/room\",\n            pack: pack,\n            to: this.roomId,\n            wom: wom\n        });\n    }\n    async fetchPeers(filter, onlyNumber = false) {\n        if (onlyNumber) {\n            let { count: count } = await this.mwse.EventPooling.request({\n                type: \"room/peer-count\",\n                roomId: this.roomId,\n                filter: filter || {}\n            });\n            return count;\n        } else {\n            let { status: status, peers: peers } = await this.mwse.EventPooling.request({\n                type: \"room-peers\",\n                roomId: this.roomId,\n                filter: filter || {}\n            });\n            let cup = [];\n            if (status == \"fail\") throw new Error(\"Cant using peers on room\");\n            else if (status == \"success\") for (const peerid of peers){\n                let peer = this.mwse.peer(peerid, true);\n                cup.push(peer);\n                this.peers.set(peerid, peer);\n            }\n            return cup;\n        }\n    }\n}\n\n\nclass $023568b0c88ffd16$export$2e2bcd8739ae039 {\n    mwse;\n    constructor(wsts){\n        this.mwse = wsts;\n        this.addListener();\n    }\n    addListener() {\n        this.mwse.server?.onRecaivePack((pack)=>{\n            this.PackAnalyze(pack);\n        });\n    }\n    SendRaw(pack) {\n        this.mwse.server.tranferToServer(pack);\n    }\n    SendOnly(pack) {\n        this.mwse.server.tranferToServer([\n            pack,\n            \"R\"\n        ]);\n    }\n    SendRequest(pack, id) {\n        this.mwse.server.tranferToServer([\n            pack,\n            id,\n            \"R\"\n        ]);\n    }\n    StartStream(pack, id) {\n        this.mwse.server.tranferToServer([\n            pack,\n            id,\n            \"S\"\n        ]);\n    }\n    PackAnalyze(data) {\n        let [payload, id, action] = data;\n        if (typeof id === \"number\") {\n            let callback = this.mwse.EventPooling.events.get(id);\n            if (callback) {\n                callback[0](payload, action);\n                switch(action){\n                    case \"E\":\n                        this.mwse.EventPooling.events.delete(id);\n                        break;\n                    case \"S\":\n                    default:\n                        break;\n                }\n            } else console.warn(\"Missing event sended from server\");\n        } else {\n            let signals = this.mwse.EventPooling.signals.get(id);\n            if (signals) for (const callback of signals)callback(payload);\n            else console.warn(\"Missing event sended from server\");\n        }\n    }\n}\n\n\nclass $1ed8c0121ddb51e7$export$2e2bcd8739ae039 extends (0, $639a7a490074f3f2$export$2e2bcd8739ae039) {\n    static rtc;\n    server;\n    WSTSProtocol;\n    EventPooling;\n    rooms = new Map();\n    pairs = new Map();\n    peers = new Map();\n    virtualPressure;\n    me;\n    /*public static compress(message:string, callback:(e:any) => any)\n    {\n        let u : any= [];\n        let C = new Gzip({\n            level: 9,\n            mem: 12\n        },(stream,isLast) => {\n            u.push(stream);\n            if(isLast)\n            {\n                callback(u);\n            }\n        });\n        C.push(new TextEncoder().encode(message), true);\n    }*/ constructor(options){\n        super();\n        this.server = new (0, $201ddc79d766b86c$export$98b66c25bb38499d)(options);\n        this.WSTSProtocol = new (0, $023568b0c88ffd16$export$2e2bcd8739ae039)(this);\n        this.EventPooling = new (0, $7bc29f3852fca8a1$export$2e2bcd8739ae039)(this);\n        this.virtualPressure = new (0, $707287ab76ae8d6a$export$cd59d3e68ede65a1)(this);\n        this.server.connect();\n        this.me = new (0, $9f6c30de484136d4$export$2e2bcd8739ae039)(this);\n        this.me.scope(()=>{\n            this.peers.set(\"me\", this.me);\n            this.peers.set(this.me.socketId, this.me);\n        });\n        this.server.onActive(async ()=>{\n            this.me.setSocketId(\"me\");\n            await this.me.metadata();\n            this.emit(\"scope\");\n            this.activeScope = true;\n        });\n        this.packMessagingSystem();\n    }\n    writable = 1;\n    readable = 1;\n    enableRecaiveData() {\n        this.WSTSProtocol.SendOnly({\n            type: \"connection/packrecaive\",\n            value: 1\n        });\n        this.readable = 1;\n    }\n    disableRecaiveData() {\n        this.WSTSProtocol.SendOnly({\n            type: \"connection/packrecaive\",\n            value: 0\n        });\n        this.readable = 0;\n    }\n    enableSendData() {\n        this.WSTSProtocol.SendOnly({\n            type: \"connection/packsending\",\n            value: 1\n        });\n        this.writable = 1;\n    }\n    disableSendData() {\n        this.WSTSProtocol.SendOnly({\n            type: \"connection/packsending\",\n            value: 0\n        });\n        this.writable = 0;\n    }\n    enableNotifyRoomInfo() {\n        this.WSTSProtocol.SendOnly({\n            type: \"connection/roominfo\",\n            value: 1\n        });\n    }\n    disableNotifyRoomInfo() {\n        this.WSTSProtocol.SendOnly({\n            type: \"connection/roominfo\",\n            value: 0\n        });\n    }\n    async request(peerId, pack) {\n        let { pack: answer } = await this.EventPooling.request({\n            type: \"request/to\",\n            to: peerId,\n            pack: pack\n        });\n        return answer;\n    }\n    async response(peerId, requestId, pack) {\n        this.WSTSProtocol.SendOnly({\n            type: \"response/to\",\n            to: peerId,\n            pack: pack,\n            id: requestId\n        });\n    }\n    packMessagingSystem() {\n        this.EventPooling.signal(\"pack\", (payload)=>{\n            if (this.readable) {\n                let { from: from, pack: pack } = payload;\n                this.peer(from, true).emit(\"pack\", pack);\n            }\n        });\n        this.EventPooling.signal(\"request\", (payload)=>{\n            let { from: from, pack: pack, id: id } = payload;\n            let scope = {\n                body: pack,\n                response: (pack)=>{\n                    this.response(from, id, pack);\n                },\n                peer: this.peer(from, true)\n            };\n            this.peer(from, true).emit(\"request\", scope);\n            this.peer(\"me\").emit(\"request\", scope);\n        });\n        this.EventPooling.signal(\"pack/room\", (payload)=>{\n            if (this.readable) {\n                let { from: from, pack: pack, sender: sender } = payload;\n                this.room(from).emit(\"message\", pack, this.peer(sender));\n            }\n        });\n        this.EventPooling.signal(\"room/joined\", (payload)=>{\n            let { id: id, roomid: roomid } = payload;\n            let room = this.room(roomid);\n            let peer = this.peer(id, true);\n            room.peers.set(peer.socketId, peer);\n            room.emit(\"join\", peer);\n        });\n        this.EventPooling.signal(\"room/info\", (payload)=>{\n            let { roomId: roomId, name: name, value: value } = payload;\n            this.room(roomId).emit(\"updateinfo\", name, value);\n        });\n        this.EventPooling.signal(\"room/ejected\", (payload)=>{\n            let { id: id, roomid: roomid } = payload;\n            let room = this.room(roomid);\n            let peer = this.peer(id);\n            room.peers.delete(peer.socketId);\n            room.emit(\"eject\", peer);\n        });\n        this.EventPooling.signal(\"room/closed\", (payload)=>{\n            let { roomid: roomid } = payload;\n            let room = this.room(roomid);\n            room.peers.clear();\n            room.emit(\"close\");\n            this.rooms.delete(roomid);\n        });\n        this.EventPooling.signal(\"pair/info\", (payload)=>{\n            let { from: from, name: name, value: value } = payload;\n            let peer = this.peer(from);\n            peer.info.info[name] = value;\n            peer.emit(\"info\", name, value);\n        });\n        this.EventPooling.signal(\"request/pair\", (payload)=>{\n            let { from: from, info: info } = payload;\n            let peer = this.peer(from);\n            peer.info.info = info;\n            peer.emit(\"request/pair\", peer);\n            this.peer(\"me\").emit(\"request/pair\", peer);\n        });\n        this.EventPooling.signal(\"accepted/pair\", (payload)=>{\n            let { from: from, info: info } = payload;\n            let peer = this.peer(from);\n            peer.info.info = info;\n            peer.emit(\"accepted/pair\", peer);\n            this.peer(\"me\").emit(\"accepted/pairr\", peer);\n        });\n        this.EventPooling.signal(\"end/pair\", (payload)=>{\n            let { from: from, info: info } = payload;\n            let peer = this.peer(from);\n            peer.emit(\"endPair\", info);\n            this.peer(\"me\").emit(\"endPair\", from, info);\n        });\n    }\n    room(options) {\n        if (typeof options == \"string\") {\n            if (this.rooms.has(options)) return this.rooms.get(options);\n        }\n        let room = new (0, $4415e33c9749fde6$export$2e2bcd8739ae039)(this);\n        room.setRoomOptions(options);\n        this.emit(\"room\");\n        return room;\n    }\n    peer(options, isActive = false) {\n        if (typeof options == \"string\") {\n            if (this.peers.has(options)) return this.peers.get(options);\n            if (this.pairs.has(options)) return this.pairs.get(options);\n        }\n        let peer = new (0, $9f6c30de484136d4$export$2e2bcd8739ae039)(this);\n        peer.setPeerOptions(options);\n        peer.active = isActive;\n        this.peers.set(peer.socketId, peer);\n        this.emit(\"peer\", peer);\n        return peer;\n    }\n}\nwindow.MWSE = $1ed8c0121ddb51e7$export$2e2bcd8739ae039;\n\n})();\n//# sourceMappingURL=index.js.map\n","import {Connection,IConnection} from \"./Connection\";\nimport EventPool from \"./EventPool\";\nimport EventTarget from \"./EventTarget\";\nimport { IPPressure } from \"./IPPressure\";\nimport Peer from \"./Peer\";\nimport Room, { IRoomOptions } from \"./Room\";\nimport WSTSProtocol, { Message } from \"./WSTSProtocol\";\nimport WebRTC from \"./WebRTC\";\n//import {Gzip} from \"fflate\";\nexport default class MWSE extends EventTarget {\n    public static rtc : WebRTC;\n    public server! : Connection;\n    public WSTSProtocol! : WSTSProtocol;\n    public EventPooling! : EventPool;\n    public rooms : Map<string, Room> = new Map();\n    public pairs : Map<string, Peer> = new Map();\n    public peers : Map<string, Peer> = new Map();\n    public virtualPressure : IPPressure;\n    public me! : Peer;\n    /*public static compress(message:string, callback:(e:any) => any)\n    {\n        let u : any= [];\n        let C = new Gzip({\n            level: 9,\n            mem: 12\n        },(stream,isLast) => {\n            u.push(stream);\n            if(isLast)\n            {\n                callback(u);\n            }\n        });\n        C.push(new TextEncoder().encode(message), true);\n    }*/\n    constructor(options: IConnection){\n        super();\n        this.server = new Connection(options);\n        this.WSTSProtocol = new WSTSProtocol(this);\n        this.EventPooling = new EventPool(this);\n        this.virtualPressure = new IPPressure(this);\n        this.server.connect();\n        this.me = new Peer(this);\n        this.me.scope(()=>{\n            this.peers.set('me', this.me);\n            this.peers.set(this.me.socketId as string, this.me);\n        })\n        this.server.onActive(async ()=>{\n            this.me.setSocketId('me');\n            await this.me.metadata();\n            this.emit('scope');\n            this.activeScope = true;\n        });\n        this.packMessagingSystem();\n    }\n\n    public writable = 1;\n    public readable = 1;\n\n    public enableRecaiveData(){\n        this.WSTSProtocol.SendOnly({ type: 'connection/packrecaive', value: 1 })\n        this.readable = 1\n    }\n    public disableRecaiveData(){\n        this.WSTSProtocol.SendOnly({ type: 'connection/packrecaive', value: 0 })\n        this.readable = 0\n    }\n\n    public enableSendData(){\n        this.WSTSProtocol.SendOnly({ type: 'connection/packsending', value: 1 })\n        this.writable = 1\n    }\n    public disableSendData(){\n        this.WSTSProtocol.SendOnly({ type: 'connection/packsending', value: 0 })\n        this.writable = 0\n    }\n\n    public enableNotifyRoomInfo(){\n        this.WSTSProtocol.SendOnly({ type: 'connection/roominfo', value: 1 })\n    }\n    public disableNotifyRoomInfo(){\n        this.WSTSProtocol.SendOnly({ type: 'connection/roominfo', value: 0 })\n    }\n\n    public async request(peerId: string, pack:Message)\n    {\n        let {pack:answer} = await this.EventPooling.request({\n            type: 'request/to',\n            to: peerId,\n            pack\n        });\n        return answer;\n    }\n    public async response(peerId: string, requestId:number, pack:Message)\n    {\n        this.WSTSProtocol.SendOnly({\n            type: 'response/to',\n            to: peerId,\n            pack,\n            id: requestId\n        })\n    }\n    private packMessagingSystem()\n    {\n        this.EventPooling.signal('pack',(payload : {from:string,pack:any}) => {\n            if(this.readable)\n            {\n                let {from,pack} = payload;\n                this.peer(from, true).emit('pack', pack);\n            }\n        })\n        this.EventPooling.signal('request',(payload : {from:string,pack:any,id:number}) => {\n            let {from,pack, id} = payload;\n            let scope = {\n                body: pack,\n                response: (pack: Message) => {\n                    this.response(from, id, pack);\n                },\n                peer: this.peer(from, true)\n            };\n            this.peer(from, true).emit('request', scope);\n            this.peer('me').emit('request', scope);\n        })\n        this.EventPooling.signal('pack/room',(payload : {from:string,pack:any,sender:string}) => {\n            if(this.readable)\n            {\n                let {from,pack,sender} = payload;\n                this.room(from).emit('message', pack, this.peer(sender));\n            }\n        })\n        this.EventPooling.signal('room/joined',(payload : {id:string,roomid:any,ownerid:string}) => {\n            let {id,roomid} = payload;\n            let room = this.room(roomid);\n            let peer = this.peer(id, true);\n            room.peers.set(peer.socketId as string, peer);\n            room.emit('join', peer);\n        })\n        this.EventPooling.signal('room/info',(payload : {roomId:string,value:any,name:string}) => {\n            let {roomId,name,value} = payload;\n            this.room(roomId).emit('updateinfo', name,value);\n        })\n        this.EventPooling.signal('room/ejected',(payload : {id:string,roomid:any,ownerid:string}) => {\n            let {id,roomid} = payload;\n            let room = this.room(roomid);\n            let peer = this.peer(id);\n            room.peers.delete(peer.socketId as string);\n            room.emit('eject', peer);\n        })\n        this.EventPooling.signal('room/closed',(payload : {roomid:any}) => {\n            let {roomid} = payload;\n            let room = this.room(roomid);\n            room.peers.clear();\n            room.emit('close');\n            this.rooms.delete(roomid);\n        })\n        this.EventPooling.signal(\"pair/info\", (payload : {from : string,name: string, value: string | number | boolean}) => {\n            let {from, name, value} = payload;\n            let peer = this.peer(from);\n            peer.info.info[name] = value;\n            peer.emit(\"info\", name, value);\n        })\n        this.EventPooling.signal(\"request/pair\", (payload : {from : string,info: any}) => {\n            let {from, info} = payload;\n            let peer = this.peer(from);\n            peer.info.info = info;\n            peer.emit(\"request/pair\", peer);\n            this.peer('me').emit('request/pair', peer);\n        })\n        this.EventPooling.signal(\"accepted/pair\", (payload : {from : string,info: any}) => {\n            let {from, info} = payload;\n            let peer = this.peer(from);\n            peer.info.info = info;\n            peer.emit(\"accepted/pair\", peer);\n            this.peer('me').emit('accepted/pairr', peer);\n        })\n        this.EventPooling.signal(\"end/pair\", (payload : {from : string,info: any}) => {\n            let {from, info} = payload;\n            let peer = this.peer(from);\n            peer.emit(\"endPair\", info);\n            this.peer('me').emit('endPair', from, info);\n        })\n    }\n    public room(options: IRoomOptions | string) : Room\n    {\n        if(typeof options == \"string\")\n        {\n            if(this.rooms.has(options))\n            {\n                return this.rooms.get(options) as Room\n            }\n        }\n        let room = new Room(this);\n        room.setRoomOptions(options);\n        this.emit('room');\n        return room;\n    }\n    public peer(options: string | IRoomOptions, isActive = false) : Peer\n    {\n        if(typeof options == \"string\")\n        {\n            if(this.peers.has(options))\n            {\n                return this.peers.get(options) as Peer\n            }\n            if(this.pairs.has(options))\n            {\n                return this.pairs.get(options) as Peer\n            }\n        }\n        let peer = new Peer(this);\n        peer.setPeerOptions(options);\n        peer.active = isActive;\n        this.peers.set(peer.socketId as string, peer);\n        this.emit('peer', peer);\n        return peer;\n    }\n};\n\ndeclare global {\n    interface Window {\n        MWSE: any;\n    }\n}\n\nwindow.MWSE = MWSE;","export interface IConnection{\n    endpoint: string;\n    autoReconnect?: boolean | {\n        timeout: number;\n    }\n}\nexport class Connection\n{\n    public ws! : WebSocket;\n    public endpoint : URL;\n    public autoPair : boolean = false;\n    public connected : boolean = false;\n\n    public autoReconnect : boolean = true;\n    public autoReconnectTimeout : number = 3000;\n    public autoReconnectTimer? : number;\n    constructor(options: IConnection){\n        this.endpoint = new URL(options.endpoint);\n        if(typeof options.autoReconnect == \"boolean\")\n        {\n            this.autoReconnect = true;\n        }else if(options.autoReconnect)\n        {\n            this.autoReconnect = true;\n            this.autoReconnectTimeout = options.autoReconnect.timeout;\n        }\n    }\n    public connect()\n    {\n        if(this.autoReconnectTimer)\n        {\n            clearTimeout(this.autoReconnectTimer)\n        };\n        this.ws = new WebSocket(this.endpoint.href);\n        this.addWSEvents();\n    }\n    public disconnect()\n    {\n        this.ws.close();\n    }\n    public addWSEvents()\n    {\n        this.ws.addEventListener(\"open\", () => this.eventOpen());\n        this.ws.addEventListener(\"close\", () => this.eventClose());\n        this.ws.addEventListener(\"error\", () => this.eventError());\n        this.ws.addEventListener(\"message\", ({data}) => this.eventMessage(data as string | ArrayBuffer));\n    }\n    private eventOpen()\n    {\n        this.connected = true;\n        for (const callback of this.activeConnectionEvent) {\n            callback(void 0);\n        }\n    }\n    private eventClose()\n    {\n        this.connected = false;\n        if(this.autoReconnect)\n        {\n            this.autoReconnectTimer = setTimeout(() => this.connect(), this.autoReconnectTimeout)\n        }\n    }\n    private eventError()\n    {\n        this.connected = false;\n    }\n    private recaivePackEvent : ((data:any) => any)[] = [];\n    public onRecaivePack(func:(data:any) => any)\n    {\n        this.recaivePackEvent.push(func);\n    }\n    private activeConnectionEvent : Function[] = [];\n    public onActive(func:Function)\n    {\n        if(this.connected)\n        {\n            func()\n        }else{\n            this.activeConnectionEvent.push(func);\n        }\n    }\n    private eventMessage(data: string | ArrayBuffer)\n    {\n        if(typeof data == \"string\")\n        {\n            let $data = JSON.parse(data);\n            for (const callback of this.recaivePackEvent) {\n                callback($data);\n            }\n        }\n    }\n    public tranferToServer(data:any)\n    {\n        if(this.connected)\n        {\n            this.ws.send(JSON.stringify(data));\n        }\n    }\n}","import MWSE from \"./index\";\nimport { Message } from \"./WSTSProtocol\";\n\nexport default class EventPool\n{\n    public wsts : MWSE;\n    public events : Map<number, [Function,Function]> = new Map();\n    public signals : Map<string, Function[]> = new Map();\n\n    public requests : Map<number, [Function,Function]> = new Map();\n\n    public count = 0;\n    constructor(wsts:MWSE){\n        this.wsts = wsts;\n    }\n    public request(msg: Message) : Promise<any>\n    {\n        return new Promise((ok,rej) => {\n            let id = ++this.count;\n            this.wsts.WSTSProtocol.SendRequest(msg, id);\n            this.events.set(id,[\n                (data:any) => {\n                    ok(data);\n                },\n                (data:any) => {\n                    rej(data);\n                }\n            ]);\n        })\n    }\n    public stream(msg: Message, callback: Function)\n    {\n        let id = ++this.count;\n        this.wsts.WSTSProtocol.StartStream(msg, id);\n        this.events.set(id,[\n            (data:any) => {\n                callback(data);\n            },\n            () => { }\n        ]);\n    }\n    public signal(event: string, callback: Function)\n    {\n        let T = this.signals.get(event);\n        if(!T)\n        {\n            this.signals.set(event, [callback]);\n        }else{\n            T.push(callback);\n        }\n    }\n}","export default class EventTarget\n{\n    private events : {[key:string]:Function[]} = {};\n    public emit(eventName :string, ...args:any[])\n    {\n        if(this.events[eventName])\n        {\n            for (const callback of this.events[eventName]) {\n                callback(...args);\n            }\n        }\n    }\n    public on(eventName :string, callback:Function)\n    {\n        if(this.events[eventName])\n        {\n            this.events[eventName].push(callback)\n        }else{\n            this.events[eventName] = [callback];\n        }\n    }\n    public activeScope : boolean = false;\n    scope(f:Function)\n    {\n        if(this.activeScope)\n        {\n            f()\n        }else{\n            this.on('scope', f)\n        }\n    }\n}","import MWSE from \"frontend\";\n\nexport class IPPressure\n{\n    public mwse : MWSE;\n    public APNumber? : number;\n    public APShortCode? : string;\n    public APIPAddress? : string;\n    constructor(mwse : MWSE){\n        this.mwse = mwse;\n    };\n    public async allocAPIPAddress()\n    {\n        let {status,ip} = await this.mwse.EventPooling.request({\n            type: 'alloc/APIPAddress'\n        }) as {\n            status:\"fail\"|\"success\",\n            ip?:string\n        };\n        if(status == 'success')\n        {\n            this.APIPAddress = ip;\n            return ip;\n        }else{\n            throw new Error(\"Error Allocated Access Point IP Address\");\n        }\n    }\n    public async allocAPNumber()\n    {\n        let {status,number} = await this.mwse.EventPooling.request({\n            type: 'alloc/APNumber'\n        }) as {\n            status:\"fail\"|\"success\",\n            number?:number\n        };\n        if(status == 'success')\n        {\n            this.APNumber = number;\n            return number;\n        }else{\n            throw new Error(\"Error Allocated Access Point Number\");\n        }\n    }\n    public async allocAPShortCode()\n    {\n        let {status,code} = await this.mwse.EventPooling.request({\n            type: 'alloc/APShortCode'\n        }) as {\n            status:\"fail\"|\"success\",\n            code?:string\n        };\n        if(status == 'success')\n        {\n            this.APShortCode = code;\n            return code;\n        }else{\n            throw new Error(\"Error Allocated Access Point Short Code\");\n        }\n    }\n    public async reallocAPIPAddress()\n    {\n        let {status,ip} = await this.mwse.EventPooling.request({\n            type: 'realloc/APIPAddress'\n        }) as {\n            status:\"fail\"|\"success\",\n            ip?:string\n        };\n        if(status == 'success')\n        {\n            this.APIPAddress = ip;\n            return ip;\n        }else{\n            throw new Error(\"Error Reallocated Access Point IP Address\");\n        }\n    }\n    public async reallocAPNumber()\n    {\n        let {status,number} = await this.mwse.EventPooling.request({\n            type: 'realloc/APNumber'\n        }) as {\n            status:\"fail\"|\"success\",\n            number?:number\n        };\n        if(status == 'success')\n        {\n            this.APNumber = number;\n            return number;\n        }else{\n            throw new Error(\"Error Reallocated Access Point Number\");\n        }\n    }\n    public async reallocAPShortCode()\n    {\n        let {status,code} = await this.mwse.EventPooling.request({\n            type: 'realloc/APShortCode'\n        }) as {\n            status:\"fail\"|\"success\",\n            code?:string\n        };\n        if(status == 'success')\n        {\n            this.APShortCode = code;\n            return code;\n        }else{\n            throw new Error(\"Error Reallocated Access Point Short Code\");\n        }\n    }\n    public async releaseAPIPAddress()\n    {\n        let {status} = await this.mwse.EventPooling.request({\n            type: 'release/APIPAddress'\n        }) as {\n            status:\"fail\"|\"success\",\n        };\n        if(status == 'success')\n        {\n            this.APIPAddress = undefined;\n        }else{\n            throw new Error(\"Error release Access Point IP Address\");\n        }\n    }\n    public async releaseAPNumber()\n    {\n        let {status} = await this.mwse.EventPooling.request({\n            type: 'release/APNumber'\n        }) as {\n            status:\"fail\"|\"success\",\n        };\n        if(status == 'success')\n        {\n            this.APNumber = undefined;\n        }else{\n            throw new Error(\"Error release Access Point Number\");\n        }\n    }\n    public async releaseAPShortCode()\n    {\n        let {status} = await this.mwse.EventPooling.request({\n            type: 'release/APShortCode'\n        }) as {\n            status:string\n        };\n        if(status == 'success')\n        {\n            this.APShortCode = undefined;\n        }else{\n            throw new Error(\"Error release Access Point Short Code\");\n        }\n    }\n    public async queryAPIPAddress(ip:string)\n    {\n        let {status,socket} = await this.mwse.EventPooling.request({\n            type: 'whois/APIPAddress',\n            whois: ip\n        }) as {\n            status:\"fail\"|\"success\",\n            socket?:string\n        };\n        if(status == \"success\")\n        {\n            return socket;\n        }else{\n            return null;\n        }\n    }\n    public async queryAPNumber(number:number)\n    {\n        let {status,socket} = await this.mwse.EventPooling.request({\n            type: 'whois/APNumber',\n            whois: number\n        }) as {\n            status:\"fail\"|\"success\",\n            socket?:string\n        };\n        if(status == \"success\")\n        {\n            return socket;\n        }else{\n            return null;\n        }\n    }\n    public async queryAPShortCode(code:string)\n    {\n        let {status,socket} = await this.mwse.EventPooling.request({\n            type: 'whois/APShortCode',\n            whois: code\n        }) as {\n            status:\"fail\"|\"success\",\n            socket?:string\n        };\n        if(status == \"success\")\n        {\n            return socket;\n        }else{\n            return null;\n        }\n    }\n}","import EventTarget from \"./EventTarget\";\nimport { PeerInfo } from \"./PeerInfo\";\nimport WebRTC from \"./WebRTC\";\nimport MWSE from \"./index\";\n\ninterface IPeerOptions{\n\n};\n\nenum IMessageSymbase\n{\n    PayloadMessagePack = -12873.54,\n    PayloadRTCBasePack = -12884.54\n}\n\n\nexport default class Peer extends EventTarget\n{\n    public mwse : MWSE;\n    public options : IPeerOptions = {};\n    public socketId? : string;\n    public selfSocket : boolean = false;\n    public active : boolean = false;\n    public info : PeerInfo;\n    public rtc? : WebRTC;\n    public peerConnection : boolean = false;\n    public primaryChannel : \"websocket\" | \"datachannel\" = \"datachannel\";\n    constructor(wsts:MWSE){\n        super();\n        this.mwse = wsts;\n        this.info = new PeerInfo(this);\n        this.on('pack',(data:{type?:string,action?:IMessageSymbase,payload?:any}) => {\n            if(data.type == ':rtcbase_pack:')\n            {\n                if(this.rtc)\n                {\n                    return this.rtc.emit(\"input\", data.payload)\n                }\n                return console.warn(\"Not active rtc but recaived rtc packs\")\n            };\n            this.emit(\"message\", data);\n        });\n    }\n    public createRTC(rtcConfig?: RTCConfiguration | undefined, rtcServers?: RTCIceServer[] | undefined) : WebRTC\n    {\n        this.rtc = new WebRTC(rtcConfig,rtcServers);\n        this.rtc.peer = this;\n        this.rtc.on(\"connected\", () => {\n            this.peerConnection = true;\n        });\n        this.rtc.on('disconnected', () => {\n            this.peerConnection = false;\n        })\n        this.rtc.on(\"output\",(payload:object) => {\n            this.send({\n                type: ':rtcbase_pack:',\n                payload: payload\n            })\n        });\n        this.rtc.on(\"message\",(payload:object) => {\n            this.emit(\"pack\",payload);\n        });\n        return this.rtc;\n    }\n    public setPeerOptions(options: string | IPeerOptions){\n        if(typeof options == \"string\")\n        {\n            this.setSocketId(options)\n        }else{\n            this.options = options;\n        }\n    }\n    public setSocketId(uuid: string){\n        this.socketId = uuid;\n    }\n    async metadata() : Promise<any>\n    {\n        if(this.socketId == 'me')\n        {\n            let result = await this.mwse.EventPooling.request({\n                type:'my/socketid'\n            });\n            this.selfSocket = true;\n            this.active ||= true;\n            this.socketId = result;\n            this.emit('scope');\n            this.activeScope = true;\n            return result;\n        }\n    };\n    \n    async request(pack:any){\n        if(this.active)\n        {\n           return await this.mwse.request(this.socketId as string, pack);\n        }\n    };\n    equalTo(peer : Peer | {socketId: string})\n    {\n        return this.socketId == peer.socketId;\n    }\n    async isReachable()\n    {\n        return await this.mwse.EventPooling.request({\n            type:'is/reachable',\n            to: this.socketId\n        });\n    }\n    async enablePairAuth(){\n        await this.mwse.EventPooling.request({\n            type:'auth/pair-system',\n            value: 'everybody'\n        });\n    }\n    async disablePairAuth(){\n        await this.mwse.EventPooling.request({\n            type:'auth/pair-system',\n            value: 'disable'\n        });\n    }\n    async enablePairInfo(){\n        await this.mwse.EventPooling.request({\n            type: 'connection/pairinfo',\n            value: true\n        });\n    }\n    async disablePairInfo(){\n        await this.mwse.EventPooling.request({\n            type: 'connection/pairinfo',\n            value: false\n        });\n    }\n    async requestPair()\n    {\n        let {message,status} = await this.mwse.EventPooling.request({\n            type:'request/pair',\n            to: this.socketId\n        });\n        if(\n            message == \"ALREADY-PAIRED\" ||\n            message == \"ALREADY-REQUESTED\"\n        )\n        {\n            console.warn(\"Already paired or pair requested\")\n        };\n        if(status == \"fail\")\n        {\n            console.error(\"Request Pair Error\",status, message);\n            return false;\n        }\n        return true;\n    }\n    async endPair()\n    {\n        await this.mwse.EventPooling.request({\n            type:'end/pair',\n            to: this.socketId\n        });\n        this.forget();\n    }\n    async acceptPair()\n    {\n        let {message,status} = await this.mwse.EventPooling.request({\n            type:'accept/pair',\n            to: this.socketId\n        });\n        if(status == \"fail\")\n        {\n            console.error(\"Pair Error\",status, message);\n            return false;\n        }\n        return true;\n    }\n    async rejectPair()\n    {\n        let {message,status} = await this.mwse.EventPooling.request({\n            type:'reject/pair',\n            to: this.socketId\n        });\n        if(status == \"fail\")\n        {\n            console.error(\"Pair Error\",status, message);\n            return false;\n        }\n        return true;\n    }\n    async getPairedList() : Promise<string>\n    {\n        let {value} = await this.mwse.EventPooling.request({\n            type:'pair/list',\n            to: this.socketId\n        });\n        return value;\n    }\n    async send(pack: any){\n        let isOpenedP2P = this.peerConnection && this.rtc?.active;\n        let isOpenedServer = this.mwse.server.connected;\n        let sendChannel : \"websocket\" | \"datachannel\";\n        if(isOpenedP2P && isOpenedServer)\n        {\n            if(this.primaryChannel == \"websocket\")\n            {\n                sendChannel = \"websocket\"\n            }else\n            {\n                sendChannel = \"datachannel\"\n            }\n        }else if(isOpenedServer){\n            sendChannel = \"websocket\"\n        }else{\n            sendChannel = \"datachannel\"\n        }\n\n        if(sendChannel == \"websocket\")\n        {\n            if(!this.mwse.writable){\n                return console.warn(\"Socket is not writable\");\n            }\n            await this.mwse.EventPooling.request({\n                type:'pack/to',\n                pack,\n                to: this.socketId\n            });\n        }else{\n            this.rtc?.sendMessage(pack)\n        }\n    }\n    async forget(){\n        this.mwse.peers.delete(this.socketId as string);\n        this.mwse.pairs.delete(this.socketId as string);\n    }\n}   ","import Peer from \"./Peer\";\n\nexport class PeerInfo\n{\n    public peer : Peer;\n    public info : {[key:string]: any} = {};\n    constructor(mwse : Peer){\n        this.peer = mwse;\n    };\n    public async fetch(name?:string)\n    {\n        if(name)\n        {\n            let rinfo = await this.peer.mwse.EventPooling.request(({\n                type: \"peer/info\",\n                peer: this.peer.socketId,\n                name\n            }));\n            if(rinfo.status == \"success\")\n            {\n                this.info = rinfo.info;\n            }else console.warn(rinfo.message);\n        }else{\n            let rinfo = await this.peer.mwse.EventPooling.request(({\n                type: \"peer/info\",\n                peer: this.peer.socketId\n            }));\n            if(rinfo.status == \"success\")\n            {\n                this.info = rinfo.info;\n            }else console.warn(rinfo.message);\n        };\n        return this.info;\n    }\n    public set(name: string, value: string | number)\n    {\n        this.info[name] = value;\n        this.peer.mwse.WSTSProtocol.SendOnly({\n            type: \"auth/info\",\n            name,\n            value\n        });\n    }\n    public get(name?:string)\n    {\n        return name ? this.info[name] : this.info;\n    }\n}","import P2PFileSender from \"./P2PFileSender\";\nimport Peer from \"./Peer\";\nimport \"webrtc-adapter\";\ninterface TransferStreamInfo\n{\n    senders : RTCRtpSender[];\n    recaivers : RTCRtpReceiver[];\n    stream:MediaStream | undefined;\n    id:string;\n    name:string;\n}\n\nexport default class WebRTC\n{\n    public static channels : Map<any,any> = new Map();\n    public static requireGC : boolean = false;\n    public id : any;\n    public active : boolean = false;\n    public connectionStatus : \"closed\" | \"connected\" | \"connecting\" | \"disconnected\" | \"failed\" | \"new\" = \"new\";\n    public iceStatus : \"checking\" | \"closed\" | \"completed\" | \"connected\" | \"disconnected\" | \"failed\" | \"new\" = \"new\";\n    public gatheringStatus : \"complete\" | \"gathering\" | \"new\" = \"new\";\n    public signalingStatus : \"\" | \"closed\" | \"have-local-offer\" | \"have-local-pranswer\" | \"have-remote-offer\" | \"have-remote-pranswer\" | \"stable\" = \"\"\n    public rtc! : RTCPeerConnection;\n    public recaivingStream : Map<string, TransferStreamInfo> = new Map();\n    public sendingStream : Map<string, TransferStreamInfo> = new Map();\n    public events : { [eventname:string]: Function[] } = {};\n    public channel : RTCDataChannel | undefined;\n\n    public static defaultRTCConfig : RTCConfiguration = {\n        iceCandidatePoolSize: 0,\n        iceTransportPolicy:\"all\",\n        rtcpMuxPolicy:\"require\",\n    };\n\n\n    public static defaultICEServers : RTCIceServer[] = [{\n        urls: \"stun:stun.l.google.com:19302\"\n    },{\n        urls: \"stun:stun1.l.google.com:19302\"\n    },{\n        urls: \"stun:stun2.l.google.com:19302\"\n    },{\n        urls: \"stun:stun3.l.google.com:19302\"\n    },{\n        urls: \"stun:stun4.l.google.com:19302\"\n    }];\n\n    public peer? : Peer;\n\n    public FileTransportChannel? : P2PFileSender;\n\n    constructor(\n        rtcConfig?: RTCConfiguration,\n        rtcServers?: RTCIceServer[]\n    )\n    {\n        let config : any = {};\n\n        if(rtcConfig)\n        {\n            Object.assign(\n                config,\n                WebRTC.defaultRTCConfig,\n                rtcConfig\n            )\n        }else{\n            Object.assign(\n                config,\n                WebRTC.defaultRTCConfig\n            )\n        }\n\n        config.iceServers = rtcServers || WebRTC.defaultICEServers;\n\n        this.rtc = new RTCPeerConnection(config as RTCConfiguration);\n        this.rtc.addEventListener(\"connectionstatechange\",()=>{\n            this.eventConnectionState();\n        })\n        this.rtc.addEventListener(\"icecandidate\",(...args)=>{\n            this.eventIcecandidate(...args);\n        })\n        this.rtc.addEventListener(\"iceconnectionstatechange\",()=>{\n            this.eventICEConnectionState();\n        })\n        this.rtc.addEventListener(\"icegatheringstatechange\",()=>{\n            this.eventICEGatherinState();\n        })\n        this.rtc.addEventListener(\"negotiationneeded\",()=>{\n            this.eventNogationNeeded();\n        })\n        this.rtc.addEventListener(\"signalingstatechange\",()=>{\n            this.eventSignalingState();\n        })\n        this.rtc.addEventListener(\"track\",(...args)=>{\n            this.eventTrack(...args);\n        })\n        this.rtc.addEventListener(\"datachannel\",(...args)=>{\n            this.eventDatachannel(...args);\n        })\n        this.on('input',async (data:{[key:string]:any})=>{\n            switch(data.type)\n            {\n                case \"icecandidate\":{\n                    await this.rtc.addIceCandidate(new RTCIceCandidate(data.value));\n                    break;\n                }\n                case \"offer\":{\n                    await this.rtc.setRemoteDescription(new RTCSessionDescription(data.value));\n                    let answer = await this.rtc.createAnswer({\n                        offerToReceiveAudio: true,\n                        offerToReceiveVideo: true\n                    })\n                    await this.rtc.setLocalDescription(answer);\n                    this.send({\n                        type: 'answer',\n                        value: answer\n                    });\n                    break;\n                }\n                case \"answer\":{\n                    await this.rtc.setRemoteDescription(new RTCSessionDescription(data.value))\n                    break;\n                }\n                case \"streamInfo\":{\n                    let {id,value} = data;\n                    let streamInfo = this.recaivingStream.get(id);\n                    if(!streamInfo)\n                    {\n                        this.recaivingStream.set(id,value as TransferStreamInfo);\n                    }else{\n                        this.recaivingStream.set(id,{\n                            ...streamInfo,\n                            ...value\n                        } as TransferStreamInfo);\n                    }\n                    this.send({\n                        type:'streamAccept',\n                        id\n                    })\n                    break;\n                }\n                case \"streamRemoved\":{\n                    let {id} = data;\n                    this.emit('stream:stopped', this.recaivingStream.get(id));\n                    this.sendingStream.delete(id);\n                    break;\n                }\n                case \"streamAccept\":{\n                    let {id} = data;\n                    let sendingStream = this.sendingStream.get(id) as TransferStreamInfo;\n                    let senders = [];\n                    if(sendingStream && sendingStream.stream)\n                    {\n                        for (const track of sendingStream.stream.getTracks()) {\n                            senders.push(this.rtc.addTrack(track, sendingStream.stream));\n                        };\n                        sendingStream.senders = senders;\n                    }\n                    break;\n                }\n                case \"message\":{\n                    this.emit('message', data.payload);\n                    break;\n                }\n            }\n        })\n    }\n    public addEventListener(event:string,callback: Function){\n        (this.events[event] || (this.events[event]=[])).push(callback);\n    };\n    public on(event:string,callback: Function){\n        this.addEventListener(event, callback)\n    };\n    public async dispatch(event:string,...args:any[]) : Promise<any> {\n        if(this.events[event])\n        {\n            for (const callback of this.events[event])\n            {\n                await callback(...args)\n            }\n        }\n    }\n    public async emit(event:string,...args:any[]) : Promise<any> {\n        await this.dispatch(event, ...args)\n    }\n    public connect()\n    {\n        if(!this.channel)\n        {\n            this.createDefaultDataChannel();\n        }\n    }\n    public sendMessage(data: any)\n    {\n        this.send({\n            type: 'message',\n            payload: data\n        });\n    }\n    public createDefaultDataChannel()\n    {\n        let dt = this.rtc.createDataChannel(':default:',{\n            ordered: true\n        });\n        dt.addEventListener(\"open\",()=>{\n            this.channel = dt;\n            WebRTC.channels.set(this.id, this);\n            this.active = true;\n        });\n        dt.addEventListener(\"message\",({data})=>{\n            let pack = JSON.parse(data);\n            this.emit('input', pack);\n        })\n        dt.addEventListener(\"close\",()=>{\n            this.channel = undefined;\n            this.active = false;\n        })\n    }\n    public destroy()\n    {\n        this.active = false;\n        if(this.channel)\n        {\n            this.channel.close();\n            this.channel = undefined;\n        }\n        if(this.rtc)\n        {\n            this.rtc.close();\n            //this.rtc = undefined;\n        };\n        this.emit('disconnected');\n        WebRTC.channels.delete(this.id);\n    }\n    public eventDatachannel(event: RTCDataChannelEvent)\n    {\n        if(event.channel.label == ':default:'){\n            WebRTC.channels.set(this.id, this);\n            this.channel = event.channel;\n            this.active = true;\n            event.channel.addEventListener(\"message\",({data})=>{\n                let pack = JSON.parse(data);\n                this.emit('input', pack);\n            })\n            event.channel.addEventListener(\"close\",()=>{\n                this.channel = undefined;\n                WebRTC.channels.delete(this.id);\n                WebRTC.requireGC = true;\n            })\n        }else{\n            this.emit('datachannel', event.channel);\n        }\n    }\n    public send(data:object)\n    {\n        if(this.channel?.readyState == \"open\")\n        {\n            this.channel.send(JSON.stringify(data));\n        }else{\n            this.emit('output', data);\n        }\n    }\n    public eventConnectionState()\n    {\n        this.connectionStatus = this.rtc.connectionState;\n        if(this.connectionStatus == 'connected')\n        {\n            if(this.active == false)\n            {\n                this.emit('connected');\n            }\n        };\n        if(this.connectionStatus == 'failed' || this.connectionStatus == \"disconnected\" || this.connectionStatus == \"closed\")\n        {\n            if(this.active)\n            {\n                this.destroy();\n            }\n        }\n    }\n    public eventIcecandidate(event: RTCPeerConnectionIceEvent)\n    {\n        if(event.candidate)\n        {\n            this.send({\n                type:'icecandidate',\n                value: event.candidate\n            })\n        }\n    }\n    public eventICEConnectionState()\n    {\n        this.iceStatus = this.rtc.iceConnectionState;\n    }\n    public eventICEGatherinState()\n    {\n        this.gatheringStatus = this.rtc.iceGatheringState;\n    }\n    public async eventNogationNeeded()\n    {\n        let offer = await this.rtc.createOffer({\n            iceRestart: true,\n            offerToReceiveAudio: true,\n            offerToReceiveVideo: true\n        });\n        await this.rtc.setLocalDescription(offer);\n        this.send({\n            type: 'offer',\n            value: offer\n        });\n    }\n    public eventSignalingState()\n    {\n        this.signalingStatus = this.rtc.signalingState;\n    }\n    public eventTrack(event: RTCTrackEvent)\n    {\n        let rtpRecaiver = event.receiver;\n        if(event.streams.length)\n        {\n            for (const stream of event.streams) {\n                let streamInfo =  this.recaivingStream.get(stream.id) as TransferStreamInfo;\n                (streamInfo.recaivers || (streamInfo.recaivers = [])).push(rtpRecaiver);\n                if((this.recaivingStream.get(stream.id) as {stream : MediaStream | undefined}).stream == null)\n                {\n                    streamInfo.stream = stream;\n                    this.emit('stream:added', this.recaivingStream.get(stream.id));\n                }else{\n                    streamInfo.stream = stream;\n                }\n            }\n        }\n    }\n    public sendStream(stream:MediaStream,name:string,info:{[key:string]:any}){\n        this.send({\n            type: 'streamInfo',\n            id: stream.id,\n            value: {\n                ...info,\n                name: name\n            }\n        });\n        this.sendingStream.set(stream.id,{\n            ...info,\n            id:stream.id,\n            name: name,\n            stream\n        } as TransferStreamInfo);\n    };\n    public stopStream(_stream:MediaStream){\n        if(this.connectionStatus != 'connected'){\n            return\n        }\n        if(this.sendingStream.has(_stream.id))\n        {\n            let {stream} = this.sendingStream.get(_stream.id) as {stream:MediaStream};\n    \n            for (const track of stream.getTracks()) {\n                for (const RTCPSender of this.rtc.getSenders()) {\n                    if(RTCPSender.track?.id == track.id)\n                    {\n                        this.rtc.removeTrack(RTCPSender);\n                    }\n                }\n            }\n        \n            this.send({\n                type: 'streamRemoved',\n                id: stream.id\n            });\n            this.sendingStream.delete(_stream.id)\n        }\n    }\n    public stopAllStreams()\n    {\n        if(this.connectionStatus != 'connected'){\n            return\n        }\n        for (const [, {stream}] of  this.sendingStream) {\n            if(stream == undefined)\n            {\n                continue;\n            }\n            for (const track of stream.getTracks()) {\n                for (const RTCPSender of this.rtc.getSenders()) {\n                    if(RTCPSender.track?.id == track.id)\n                    {\n                        this.rtc.removeTrack(RTCPSender);\n                    }\n                }\n            }\n            this.send({\n                type: 'streamRemoved',\n                id: stream.id\n            });\n        };\n    \n        this.sendingStream.clear();\n    }\n    public async SendFile(file:File, meta: object)\n    {\n        if(!this.peer)\n        {\n            throw new Error(\"Peer is not ready\");\n        }\n        this.FileTransportChannel = new P2PFileSender(this, this.peer);\n\n        await this.FileTransportChannel.SendFile(file, meta);\n    }\n    public async RecaiveFile(\n        chnlCount:number,\n        filemeta: {\n            name: string;\n            type: string;\n        },\n        totalSize: number\n    ) : Promise<File>\n    {\n        if(!this.peer)\n        {\n            throw new Error(\"Peer is not ready\");\n        }\n        this.FileTransportChannel = new P2PFileSender(this, this.peer);\n\n        return await new Promise(recaivedFile => {\n            if(this.FileTransportChannel)\n            {\n                this.FileTransportChannel.RecaiveFile(\n                    this.rtc,\n                    filemeta,\n                    chnlCount,\n                    totalSize,\n                    (file: File) => {\n                        recaivedFile(file)\n                    }\n                );\n            }\n        })\n    }\n}\n\nWebRTC.requireGC = false;\nsetInterval(()=>{\n    if(WebRTC.requireGC == false) return;\n    let img = document.createElement(\"img\");\n    img.src = window.URL.createObjectURL(new Blob([new ArrayBuffer(5e+7)]));\n    img.onerror = function() {\n        window.URL.revokeObjectURL(this.src);\n    };\n    WebRTC.requireGC = false;\n}, 3000)\n\ndeclare global {\n    interface MediaStream {\n        senders : RTCRtpSender[];\n    }\n}","import \"webrtc-adapter\";\nimport WebRTC from \"./WebRTC\";\nimport Peer from \"./Peer\";\n\n\n\nexport default class P2PFileSender\n{\n    public rtc : RTCPeerConnection;\n    public peer : Peer;\n    public webrtc : WebRTC;\n\n    public totalSize : number = 0;\n    public isReady : boolean = false;\n    public isStarted : boolean = false;\n    public isSending : boolean = false;\n    public isRecaiving : boolean = false;\n    public processedSize : number = 0;\n    public recaivedFile? : File;\n\n    public bufferSizePerChannel : number = 10e6;\n    public bufferSizePerPack : number = 10e3;\n    public safeBufferSizePerPack : number = 10e3 - 1;\n\n    public constructor(webrtc : WebRTC, peer : Peer)\n    {\n        this.webrtc = webrtc;\n        this.rtc = webrtc.rtc;\n        this.peer = peer;\n    }\n    public async RecaiveFile(\n        _rtc: RTCPeerConnection,\n        fileMetadata: {name:string, type:string},\n        channelCount: number,\n        _totalSize: number,\n        onEnded: Function\n    )\n    {\n        //let totals = {};\n       // let index = 0;\n        /*setChannelStatus(Array.from({length:channelCount}).map((e, index) => {\n            return {\n                name: `${index+1}. Kanal`,\n                current: 0,\n                currentTotal: 0,\n                total: 0\n            }\n        }));*/\n        let parts : Blob[] = [];\n        this.webrtc.on('datachannel',(datachannel:RTCDataChannel) => {\n            //let channelIndex = index++;\n            let current =  0;\n            let totalSize = 0;\n            let currentPart = 0;\n            let bufferAmount : ArrayBuffer[] = [];\n            datachannel.onmessage = function({data}){\n                if(totalSize == 0)\n                {\n                    let {\n                        size,\n                        part,\n                    } = JSON.parse(data);\n                    totalSize = size;\n                    currentPart = part;\n                    /*updateChannelStatus(channelIndex, n => {\n                        return {\n                            ...n,\n                            total: totalSize,\n                            current: 0\n                        }\n                    });*/\n                    datachannel.send(\"READY\");\n                }else{\n                    current += data.byteLength;\n                    bufferAmount.push(data);\n                    /*updateChannelStatus(channelIndex, n => {\n                        return {\n                            ...n,\n                            current: data.byteLength + n.current,\n                            currentTotal: data.byteLength + n.currentTotal,\n                        }\n                    });\n                    setProcessedSize(n => n + data.byteLength);*/\n                    if(current == totalSize)\n                    {\n                        parts[currentPart] = new Blob(bufferAmount);\n                        bufferAmount = []; \n                        //totals[datachannel.label] += totalSize;\n                        totalSize = 0;\n                        currentPart = 0;\n                        current = 0;\n                        datachannel.send(\"TOTAL_RECAIVED\");\n                    }\n                }\n            };\n            datachannel.onclose = () => {\n                channelCount--;\n                if(channelCount == 0)\n                {\n                    let file = new File(parts, fileMetadata.name, {\n                        type: fileMetadata.type,\n                        lastModified: +new Date\n                    });\n                    onEnded(file);\n                }\n            };\n        })\n    }\n    public async SendFile(\n        file: File,\n        metadata: object\n    )\n    {\n        this.isSending = true;\n        this.isStarted = true;\n\n\n        let buffer = await file.arrayBuffer();\n        let partCount = Math.ceil(buffer.byteLength / 10e6);\n        let channelCount = Math.min(5, partCount);\n\n        if(this.webrtc.iceStatus != \"connected\")\n        {\n            throw new Error(\"WebRTC is a not ready\")\n        }\n\n        this.peer.send({\n            type: 'file',\n            name: file.name,\n            size: file.size,\n            mimetype: file.type,\n            partCount,\n            channelCount,\n            metadata: metadata\n        });\n\n        let channels : RTCDataChannel[] = [];\n\n        for(let channelIndex = 0; channelIndex < channelCount; channelIndex++)\n        {\n            let channel = this.rtc.createDataChannel(\"\\\\?\\\\file_\" + channelIndex);\n            channel.binaryType = \"arraybuffer\";\n            await new Promise(ok => {\n                channel.onopen = () => {\n                    ok(void 0);\n                }\n            });\n            channels.push(channel);\n        };\n\n        let currentPart = 0;\n        let next = () => {\n            if(currentPart < partCount)\n            {\n                let bufferPart = buffer.slice(currentPart * 10e6, currentPart * 10e6 + 10e6)\n                currentPart++;\n                return [bufferPart, currentPart - 1];\n            };\n            return [false,0];\n        };\n        let spyChannelIndex = channels.length;\n        await new Promise(ok => {\n            for (let channelIndex = 0; channelIndex < channels.length; channelIndex++)\n            {\n                this.sendPartition(\n                    channels[channelIndex],\n                    next,\n                    channelIndex,\n                    () => {\n                        spyChannelIndex--;\n                        if(spyChannelIndex == 0)\n                        {\n                            this.isSending = false;\n                            this.isStarted = false;\n                            ok(undefined)\n                        }\n                    }\n                );\n            }\n        })\n    }\n    protected sendPartition(\n        channel: RTCDataChannel,\n        nextblob10mb: () => (number | ArrayBuffer)[] | (number | boolean)[],\n        _channelIndex: number,\n        onEnded: Function\n    )\n    {\n        let [currentBuffer,currentPartition] = nextblob10mb();\n        let currentPart = 0;\n        let next = () => {\n            if(!(currentBuffer instanceof ArrayBuffer))\n            {\n                return;\n            }\n            let bufferPart = currentBuffer.slice(currentPart * 16e3, currentPart * 16e3 + 16e3)\n            currentPart++;\n            if(bufferPart.byteLength != 0)\n            {\n                /*\n                updateChannelStatus(channelIndex, n => {\n                    return {\n                        ...n,\n                        current: bufferPart.byteLength + n.current,\n                        currentTotal: bufferPart.byteLength + n.currentTotal\n                    }\n                });\n                setProcessedSize(n => n + bufferPart.byteLength);\n                */\n                return bufferPart\n            }\n        };\n        channel.addEventListener(\"message\",({data}) => {\n            if(data == \"READY\")\n            {\n                this.sendFileChannel(channel, next)\n            }\n            if(data == \"TOTAL_RECAIVED\")\n            {\n                [currentBuffer,currentPartition] = nextblob10mb();\n                currentPart = 0;\n                if(currentBuffer != false)\n                {\n                    /*updateChannelStatus(channelIndex, n => {\n                        return {\n                            ...n,\n                            total: currentBuffer.byteLength,\n                            current: 0,\n                        }\n                    });*/\n                    channel.send(JSON.stringify({\n                        size: (currentBuffer as ArrayBuffer).byteLength,\n                        part: currentPartition\n                    }))\n                }else{\n                    channel.close();\n                    onEnded();\n                }\n            }\n        });\n        channel.send(JSON.stringify({\n            size: (currentBuffer as ArrayBuffer).byteLength,\n            part: currentPartition\n        }))\n    }\n    protected sendFileChannel(\n        channel: RTCDataChannel,\n        getNextBlob: () => ArrayBuffer | undefined\n    )\n    {\n        channel.addEventListener(\"bufferedamountlow\",function(){\n            let buffer = getNextBlob();\n            if(buffer)\n            {\n                channel.send(buffer);\n            }\n        });\n        channel.bufferedAmountLowThreshold = 16e3 - 1;\n        let c = getNextBlob();\n        c && channel.send(c);\n    }\n};","/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n\n'use strict';\n\nimport {adapterFactory} from './adapter_factory.js';\n\nconst adapter =\n  adapterFactory({window: typeof window === 'undefined' ? undefined : window});\nexport default adapter;\n","/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\nimport * as utils from './utils';\n\n// Browser shims.\nimport * as chromeShim from './chrome/chrome_shim';\nimport * as firefoxShim from './firefox/firefox_shim';\nimport * as safariShim from './safari/safari_shim';\nimport * as commonShim from './common_shim';\nimport * as sdp from 'sdp';\n\n// Shimming starts here.\nexport function adapterFactory({window} = {}, options = {\n  shimChrome: true,\n  shimFirefox: true,\n  shimSafari: true,\n}) {\n  // Utils.\n  const logging = utils.log;\n  const browserDetails = utils.detectBrowser(window);\n\n  const adapter = {\n    browserDetails,\n    commonShim,\n    extractVersion: utils.extractVersion,\n    disableLog: utils.disableLog,\n    disableWarnings: utils.disableWarnings,\n    // Expose sdp as a convenience. For production apps include directly.\n    sdp,\n  };\n\n  // Shim browser if found.\n  switch (browserDetails.browser) {\n    case 'chrome':\n      if (!chromeShim || !chromeShim.shimPeerConnection ||\n          !options.shimChrome) {\n        logging('Chrome shim is not included in this adapter release.');\n        return adapter;\n      }\n      if (browserDetails.version === null) {\n        logging('Chrome shim can not determine version, not shimming.');\n        return adapter;\n      }\n      logging('adapter.js shimming chrome.');\n      // Export to the adapter global object visible in the browser.\n      adapter.browserShim = chromeShim;\n\n      // Must be called before shimPeerConnection.\n      commonShim.shimAddIceCandidateNullOrEmpty(window, browserDetails);\n      commonShim.shimParameterlessSetLocalDescription(window, browserDetails);\n\n      chromeShim.shimGetUserMedia(window, browserDetails);\n      chromeShim.shimMediaStream(window, browserDetails);\n      chromeShim.shimPeerConnection(window, browserDetails);\n      chromeShim.shimOnTrack(window, browserDetails);\n      chromeShim.shimAddTrackRemoveTrack(window, browserDetails);\n      chromeShim.shimGetSendersWithDtmf(window, browserDetails);\n      chromeShim.shimGetStats(window, browserDetails);\n      chromeShim.shimSenderReceiverGetStats(window, browserDetails);\n      chromeShim.fixNegotiationNeeded(window, browserDetails);\n\n      commonShim.shimRTCIceCandidate(window, browserDetails);\n      commonShim.shimRTCIceCandidateRelayProtocol(window, browserDetails);\n      commonShim.shimConnectionState(window, browserDetails);\n      commonShim.shimMaxMessageSize(window, browserDetails);\n      commonShim.shimSendThrowTypeError(window, browserDetails);\n      commonShim.removeExtmapAllowMixed(window, browserDetails);\n      break;\n    case 'firefox':\n      if (!firefoxShim || !firefoxShim.shimPeerConnection ||\n          !options.shimFirefox) {\n        logging('Firefox shim is not included in this adapter release.');\n        return adapter;\n      }\n      logging('adapter.js shimming firefox.');\n      // Export to the adapter global object visible in the browser.\n      adapter.browserShim = firefoxShim;\n\n      // Must be called before shimPeerConnection.\n      commonShim.shimAddIceCandidateNullOrEmpty(window, browserDetails);\n      commonShim.shimParameterlessSetLocalDescription(window, browserDetails);\n\n      firefoxShim.shimGetUserMedia(window, browserDetails);\n      firefoxShim.shimPeerConnection(window, browserDetails);\n      firefoxShim.shimOnTrack(window, browserDetails);\n      firefoxShim.shimRemoveStream(window, browserDetails);\n      firefoxShim.shimSenderGetStats(window, browserDetails);\n      firefoxShim.shimReceiverGetStats(window, browserDetails);\n      firefoxShim.shimRTCDataChannel(window, browserDetails);\n      firefoxShim.shimAddTransceiver(window, browserDetails);\n      firefoxShim.shimGetParameters(window, browserDetails);\n      firefoxShim.shimCreateOffer(window, browserDetails);\n      firefoxShim.shimCreateAnswer(window, browserDetails);\n\n      commonShim.shimRTCIceCandidate(window, browserDetails);\n      commonShim.shimConnectionState(window, browserDetails);\n      commonShim.shimMaxMessageSize(window, browserDetails);\n      commonShim.shimSendThrowTypeError(window, browserDetails);\n      break;\n    case 'safari':\n      if (!safariShim || !options.shimSafari) {\n        logging('Safari shim is not included in this adapter release.');\n        return adapter;\n      }\n      logging('adapter.js shimming safari.');\n      // Export to the adapter global object visible in the browser.\n      adapter.browserShim = safariShim;\n\n      // Must be called before shimCallbackAPI.\n      commonShim.shimAddIceCandidateNullOrEmpty(window, browserDetails);\n      commonShim.shimParameterlessSetLocalDescription(window, browserDetails);\n\n      safariShim.shimRTCIceServerUrls(window, browserDetails);\n      safariShim.shimCreateOfferLegacy(window, browserDetails);\n      safariShim.shimCallbacksAPI(window, browserDetails);\n      safariShim.shimLocalStreamsAPI(window, browserDetails);\n      safariShim.shimRemoteStreamsAPI(window, browserDetails);\n      safariShim.shimTrackEventTransceiver(window, browserDetails);\n      safariShim.shimGetUserMedia(window, browserDetails);\n      safariShim.shimAudioContext(window, browserDetails);\n\n      commonShim.shimRTCIceCandidate(window, browserDetails);\n      commonShim.shimRTCIceCandidateRelayProtocol(window, browserDetails);\n      commonShim.shimMaxMessageSize(window, browserDetails);\n      commonShim.shimSendThrowTypeError(window, browserDetails);\n      commonShim.removeExtmapAllowMixed(window, browserDetails);\n      break;\n    default:\n      logging('Unsupported browser!');\n      break;\n  }\n\n  return adapter;\n}\n","/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nlet logDisabled_ = true;\nlet deprecationWarnings_ = true;\n\n/**\n * Extract browser version out of the provided user agent string.\n *\n * @param {!string} uastring userAgent string.\n * @param {!string} expr Regular expression used as match criteria.\n * @param {!number} pos position in the version string to be returned.\n * @return {!number} browser version.\n */\nexport function extractVersion(uastring, expr, pos) {\n  const match = uastring.match(expr);\n  return match && match.length >= pos && parseInt(match[pos], 10);\n}\n\n// Wraps the peerconnection event eventNameToWrap in a function\n// which returns the modified event object (or false to prevent\n// the event).\nexport function wrapPeerConnectionEvent(window, eventNameToWrap, wrapper) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n  const proto = window.RTCPeerConnection.prototype;\n  const nativeAddEventListener = proto.addEventListener;\n  proto.addEventListener = function(nativeEventName, cb) {\n    if (nativeEventName !== eventNameToWrap) {\n      return nativeAddEventListener.apply(this, arguments);\n    }\n    const wrappedCallback = (e) => {\n      const modifiedEvent = wrapper(e);\n      if (modifiedEvent) {\n        if (cb.handleEvent) {\n          cb.handleEvent(modifiedEvent);\n        } else {\n          cb(modifiedEvent);\n        }\n      }\n    };\n    this._eventMap = this._eventMap || {};\n    if (!this._eventMap[eventNameToWrap]) {\n      this._eventMap[eventNameToWrap] = new Map();\n    }\n    this._eventMap[eventNameToWrap].set(cb, wrappedCallback);\n    return nativeAddEventListener.apply(this, [nativeEventName,\n      wrappedCallback]);\n  };\n\n  const nativeRemoveEventListener = proto.removeEventListener;\n  proto.removeEventListener = function(nativeEventName, cb) {\n    if (nativeEventName !== eventNameToWrap || !this._eventMap\n        || !this._eventMap[eventNameToWrap]) {\n      return nativeRemoveEventListener.apply(this, arguments);\n    }\n    if (!this._eventMap[eventNameToWrap].has(cb)) {\n      return nativeRemoveEventListener.apply(this, arguments);\n    }\n    const unwrappedCb = this._eventMap[eventNameToWrap].get(cb);\n    this._eventMap[eventNameToWrap].delete(cb);\n    if (this._eventMap[eventNameToWrap].size === 0) {\n      delete this._eventMap[eventNameToWrap];\n    }\n    if (Object.keys(this._eventMap).length === 0) {\n      delete this._eventMap;\n    }\n    return nativeRemoveEventListener.apply(this, [nativeEventName,\n      unwrappedCb]);\n  };\n\n  Object.defineProperty(proto, 'on' + eventNameToWrap, {\n    get() {\n      return this['_on' + eventNameToWrap];\n    },\n    set(cb) {\n      if (this['_on' + eventNameToWrap]) {\n        this.removeEventListener(eventNameToWrap,\n          this['_on' + eventNameToWrap]);\n        delete this['_on' + eventNameToWrap];\n      }\n      if (cb) {\n        this.addEventListener(eventNameToWrap,\n          this['_on' + eventNameToWrap] = cb);\n      }\n    },\n    enumerable: true,\n    configurable: true\n  });\n}\n\nexport function disableLog(bool) {\n  if (typeof bool !== 'boolean') {\n    return new Error('Argument type: ' + typeof bool +\n        '. Please use a boolean.');\n  }\n  logDisabled_ = bool;\n  return (bool) ? 'adapter.js logging disabled' :\n    'adapter.js logging enabled';\n}\n\n/**\n * Disable or enable deprecation warnings\n * @param {!boolean} bool set to true to disable warnings.\n */\nexport function disableWarnings(bool) {\n  if (typeof bool !== 'boolean') {\n    return new Error('Argument type: ' + typeof bool +\n        '. Please use a boolean.');\n  }\n  deprecationWarnings_ = !bool;\n  return 'adapter.js deprecation warnings ' + (bool ? 'disabled' : 'enabled');\n}\n\nexport function log() {\n  if (typeof window === 'object') {\n    if (logDisabled_) {\n      return;\n    }\n    if (typeof console !== 'undefined' && typeof console.log === 'function') {\n      console.log.apply(console, arguments);\n    }\n  }\n}\n\n/**\n * Shows a deprecation warning suggesting the modern and spec-compatible API.\n */\nexport function deprecated(oldMethod, newMethod) {\n  if (!deprecationWarnings_) {\n    return;\n  }\n  console.warn(oldMethod + ' is deprecated, please use ' + newMethod +\n      ' instead.');\n}\n\n/**\n * Browser detector.\n *\n * @return {object} result containing browser and version\n *     properties.\n */\nexport function detectBrowser(window) {\n  // Returned result object.\n  const result = {browser: null, version: null};\n\n  // Fail early if it's not a browser\n  if (typeof window === 'undefined' || !window.navigator ||\n      !window.navigator.userAgent) {\n    result.browser = 'Not a browser.';\n    return result;\n  }\n\n  const {navigator} = window;\n\n  if (navigator.mozGetUserMedia) { // Firefox.\n    result.browser = 'firefox';\n    result.version = extractVersion(navigator.userAgent,\n      /Firefox\\/(\\d+)\\./, 1);\n  } else if (navigator.webkitGetUserMedia ||\n      (window.isSecureContext === false && window.webkitRTCPeerConnection)) {\n    // Chrome, Chromium, Webview, Opera.\n    // Version matches Chrome/WebRTC version.\n    // Chrome 74 removed webkitGetUserMedia on http as well so we need the\n    // more complicated fallback to webkitRTCPeerConnection.\n    result.browser = 'chrome';\n    result.version = extractVersion(navigator.userAgent,\n      /Chrom(e|ium)\\/(\\d+)\\./, 2);\n  } else if (window.RTCPeerConnection &&\n      navigator.userAgent.match(/AppleWebKit\\/(\\d+)\\./)) { // Safari.\n    result.browser = 'safari';\n    result.version = extractVersion(navigator.userAgent,\n      /AppleWebKit\\/(\\d+)\\./, 1);\n    result.supportsUnifiedPlan = window.RTCRtpTransceiver &&\n        'currentDirection' in window.RTCRtpTransceiver.prototype;\n  } else { // Default fallthrough: not supported.\n    result.browser = 'Not a supported browser.';\n    return result;\n  }\n\n  return result;\n}\n\n/**\n * Checks if something is an object.\n *\n * @param {*} val The something you want to check.\n * @return true if val is an object, false otherwise.\n */\nfunction isObject(val) {\n  return Object.prototype.toString.call(val) === '[object Object]';\n}\n\n/**\n * Remove all empty objects and undefined values\n * from a nested object -- an enhanced and vanilla version\n * of Lodash's `compact`.\n */\nexport function compactObject(data) {\n  if (!isObject(data)) {\n    return data;\n  }\n\n  return Object.keys(data).reduce(function(accumulator, key) {\n    const isObj = isObject(data[key]);\n    const value = isObj ? compactObject(data[key]) : data[key];\n    const isEmptyObject = isObj && !Object.keys(value).length;\n    if (value === undefined || isEmptyObject) {\n      return accumulator;\n    }\n    return Object.assign(accumulator, {[key]: value});\n  }, {});\n}\n\n/* iterates the stats graph recursively. */\nexport function walkStats(stats, base, resultSet) {\n  if (!base || resultSet.has(base.id)) {\n    return;\n  }\n  resultSet.set(base.id, base);\n  Object.keys(base).forEach(name => {\n    if (name.endsWith('Id')) {\n      walkStats(stats, stats.get(base[name]), resultSet);\n    } else if (name.endsWith('Ids')) {\n      base[name].forEach(id => {\n        walkStats(stats, stats.get(id), resultSet);\n      });\n    }\n  });\n}\n\n/* filter getStats for a sender/receiver track. */\nexport function filterStats(result, track, outbound) {\n  const streamStatsType = outbound ? 'outbound-rtp' : 'inbound-rtp';\n  const filteredResult = new Map();\n  if (track === null) {\n    return filteredResult;\n  }\n  const trackStats = [];\n  result.forEach(value => {\n    if (value.type === 'track' &&\n        value.trackIdentifier === track.id) {\n      trackStats.push(value);\n    }\n  });\n  trackStats.forEach(trackStat => {\n    result.forEach(stats => {\n      if (stats.type === streamStatsType && stats.trackId === trackStat.id) {\n        walkStats(result, stats, filteredResult);\n      }\n    });\n  });\n  return filteredResult;\n}\n\n","/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\nimport * as utils from '../utils.js';\n\nexport {shimGetUserMedia} from './getusermedia';\nexport {shimGetDisplayMedia} from './getdisplaymedia';\n\nexport function shimMediaStream(window) {\n  window.MediaStream = window.MediaStream || window.webkitMediaStream;\n}\n\nexport function shimOnTrack(window) {\n  if (typeof window === 'object' && window.RTCPeerConnection && !('ontrack' in\n      window.RTCPeerConnection.prototype)) {\n    Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {\n      get() {\n        return this._ontrack;\n      },\n      set(f) {\n        if (this._ontrack) {\n          this.removeEventListener('track', this._ontrack);\n        }\n        this.addEventListener('track', this._ontrack = f);\n      },\n      enumerable: true,\n      configurable: true\n    });\n    const origSetRemoteDescription =\n        window.RTCPeerConnection.prototype.setRemoteDescription;\n    window.RTCPeerConnection.prototype.setRemoteDescription =\n      function setRemoteDescription() {\n        if (!this._ontrackpoly) {\n          this._ontrackpoly = (e) => {\n            // onaddstream does not fire when a track is added to an existing\n            // stream. But stream.onaddtrack is implemented so we use that.\n            e.stream.addEventListener('addtrack', te => {\n              let receiver;\n              if (window.RTCPeerConnection.prototype.getReceivers) {\n                receiver = this.getReceivers()\n                  .find(r => r.track && r.track.id === te.track.id);\n              } else {\n                receiver = {track: te.track};\n              }\n\n              const event = new Event('track');\n              event.track = te.track;\n              event.receiver = receiver;\n              event.transceiver = {receiver};\n              event.streams = [e.stream];\n              this.dispatchEvent(event);\n            });\n            e.stream.getTracks().forEach(track => {\n              let receiver;\n              if (window.RTCPeerConnection.prototype.getReceivers) {\n                receiver = this.getReceivers()\n                  .find(r => r.track && r.track.id === track.id);\n              } else {\n                receiver = {track};\n              }\n              const event = new Event('track');\n              event.track = track;\n              event.receiver = receiver;\n              event.transceiver = {receiver};\n              event.streams = [e.stream];\n              this.dispatchEvent(event);\n            });\n          };\n          this.addEventListener('addstream', this._ontrackpoly);\n        }\n        return origSetRemoteDescription.apply(this, arguments);\n      };\n  } else {\n    // even if RTCRtpTransceiver is in window, it is only used and\n    // emitted in unified-plan. Unfortunately this means we need\n    // to unconditionally wrap the event.\n    utils.wrapPeerConnectionEvent(window, 'track', e => {\n      if (!e.transceiver) {\n        Object.defineProperty(e, 'transceiver',\n          {value: {receiver: e.receiver}});\n      }\n      return e;\n    });\n  }\n}\n\nexport function shimGetSendersWithDtmf(window) {\n  // Overrides addTrack/removeTrack, depends on shimAddTrackRemoveTrack.\n  if (typeof window === 'object' && window.RTCPeerConnection &&\n      !('getSenders' in window.RTCPeerConnection.prototype) &&\n      'createDTMFSender' in window.RTCPeerConnection.prototype) {\n    const shimSenderWithDtmf = function(pc, track) {\n      return {\n        track,\n        get dtmf() {\n          if (this._dtmf === undefined) {\n            if (track.kind === 'audio') {\n              this._dtmf = pc.createDTMFSender(track);\n            } else {\n              this._dtmf = null;\n            }\n          }\n          return this._dtmf;\n        },\n        _pc: pc\n      };\n    };\n\n    // augment addTrack when getSenders is not available.\n    if (!window.RTCPeerConnection.prototype.getSenders) {\n      window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n        this._senders = this._senders || [];\n        return this._senders.slice(); // return a copy of the internal state.\n      };\n      const origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n      window.RTCPeerConnection.prototype.addTrack =\n        function addTrack(track, stream) {\n          let sender = origAddTrack.apply(this, arguments);\n          if (!sender) {\n            sender = shimSenderWithDtmf(this, track);\n            this._senders.push(sender);\n          }\n          return sender;\n        };\n\n      const origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;\n      window.RTCPeerConnection.prototype.removeTrack =\n        function removeTrack(sender) {\n          origRemoveTrack.apply(this, arguments);\n          const idx = this._senders.indexOf(sender);\n          if (idx !== -1) {\n            this._senders.splice(idx, 1);\n          }\n        };\n    }\n    const origAddStream = window.RTCPeerConnection.prototype.addStream;\n    window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n      this._senders = this._senders || [];\n      origAddStream.apply(this, [stream]);\n      stream.getTracks().forEach(track => {\n        this._senders.push(shimSenderWithDtmf(this, track));\n      });\n    };\n\n    const origRemoveStream = window.RTCPeerConnection.prototype.removeStream;\n    window.RTCPeerConnection.prototype.removeStream =\n      function removeStream(stream) {\n        this._senders = this._senders || [];\n        origRemoveStream.apply(this, [stream]);\n\n        stream.getTracks().forEach(track => {\n          const sender = this._senders.find(s => s.track === track);\n          if (sender) { // remove sender\n            this._senders.splice(this._senders.indexOf(sender), 1);\n          }\n        });\n      };\n  } else if (typeof window === 'object' && window.RTCPeerConnection &&\n             'getSenders' in window.RTCPeerConnection.prototype &&\n             'createDTMFSender' in window.RTCPeerConnection.prototype &&\n             window.RTCRtpSender &&\n             !('dtmf' in window.RTCRtpSender.prototype)) {\n    const origGetSenders = window.RTCPeerConnection.prototype.getSenders;\n    window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n      const senders = origGetSenders.apply(this, []);\n      senders.forEach(sender => sender._pc = this);\n      return senders;\n    };\n\n    Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {\n      get() {\n        if (this._dtmf === undefined) {\n          if (this.track.kind === 'audio') {\n            this._dtmf = this._pc.createDTMFSender(this.track);\n          } else {\n            this._dtmf = null;\n          }\n        }\n        return this._dtmf;\n      }\n    });\n  }\n}\n\nexport function shimGetStats(window) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n\n  const origGetStats = window.RTCPeerConnection.prototype.getStats;\n  window.RTCPeerConnection.prototype.getStats = function getStats() {\n    const [selector, onSucc, onErr] = arguments;\n\n    // If selector is a function then we are in the old style stats so just\n    // pass back the original getStats format to avoid breaking old users.\n    if (arguments.length > 0 && typeof selector === 'function') {\n      return origGetStats.apply(this, arguments);\n    }\n\n    // When spec-style getStats is supported, return those when called with\n    // either no arguments or the selector argument is null.\n    if (origGetStats.length === 0 && (arguments.length === 0 ||\n        typeof selector !== 'function')) {\n      return origGetStats.apply(this, []);\n    }\n\n    const fixChromeStats_ = function(response) {\n      const standardReport = {};\n      const reports = response.result();\n      reports.forEach(report => {\n        const standardStats = {\n          id: report.id,\n          timestamp: report.timestamp,\n          type: {\n            localcandidate: 'local-candidate',\n            remotecandidate: 'remote-candidate'\n          }[report.type] || report.type\n        };\n        report.names().forEach(name => {\n          standardStats[name] = report.stat(name);\n        });\n        standardReport[standardStats.id] = standardStats;\n      });\n\n      return standardReport;\n    };\n\n    // shim getStats with maplike support\n    const makeMapStats = function(stats) {\n      return new Map(Object.keys(stats).map(key => [key, stats[key]]));\n    };\n\n    if (arguments.length >= 2) {\n      const successCallbackWrapper_ = function(response) {\n        onSucc(makeMapStats(fixChromeStats_(response)));\n      };\n\n      return origGetStats.apply(this, [successCallbackWrapper_,\n        selector]);\n    }\n\n    // promise-support\n    return new Promise((resolve, reject) => {\n      origGetStats.apply(this, [\n        function(response) {\n          resolve(makeMapStats(fixChromeStats_(response)));\n        }, reject]);\n    }).then(onSucc, onErr);\n  };\n}\n\nexport function shimSenderReceiverGetStats(window) {\n  if (!(typeof window === 'object' && window.RTCPeerConnection &&\n      window.RTCRtpSender && window.RTCRtpReceiver)) {\n    return;\n  }\n\n  // shim sender stats.\n  if (!('getStats' in window.RTCRtpSender.prototype)) {\n    const origGetSenders = window.RTCPeerConnection.prototype.getSenders;\n    if (origGetSenders) {\n      window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n        const senders = origGetSenders.apply(this, []);\n        senders.forEach(sender => sender._pc = this);\n        return senders;\n      };\n    }\n\n    const origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n    if (origAddTrack) {\n      window.RTCPeerConnection.prototype.addTrack = function addTrack() {\n        const sender = origAddTrack.apply(this, arguments);\n        sender._pc = this;\n        return sender;\n      };\n    }\n    window.RTCRtpSender.prototype.getStats = function getStats() {\n      const sender = this;\n      return this._pc.getStats().then(result =>\n        /* Note: this will include stats of all senders that\n         *   send a track with the same id as sender.track as\n         *   it is not possible to identify the RTCRtpSender.\n         */\n        utils.filterStats(result, sender.track, true));\n    };\n  }\n\n  // shim receiver stats.\n  if (!('getStats' in window.RTCRtpReceiver.prototype)) {\n    const origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;\n    if (origGetReceivers) {\n      window.RTCPeerConnection.prototype.getReceivers =\n        function getReceivers() {\n          const receivers = origGetReceivers.apply(this, []);\n          receivers.forEach(receiver => receiver._pc = this);\n          return receivers;\n        };\n    }\n    utils.wrapPeerConnectionEvent(window, 'track', e => {\n      e.receiver._pc = e.srcElement;\n      return e;\n    });\n    window.RTCRtpReceiver.prototype.getStats = function getStats() {\n      const receiver = this;\n      return this._pc.getStats().then(result =>\n        utils.filterStats(result, receiver.track, false));\n    };\n  }\n\n  if (!('getStats' in window.RTCRtpSender.prototype &&\n      'getStats' in window.RTCRtpReceiver.prototype)) {\n    return;\n  }\n\n  // shim RTCPeerConnection.getStats(track).\n  const origGetStats = window.RTCPeerConnection.prototype.getStats;\n  window.RTCPeerConnection.prototype.getStats = function getStats() {\n    if (arguments.length > 0 &&\n        arguments[0] instanceof window.MediaStreamTrack) {\n      const track = arguments[0];\n      let sender;\n      let receiver;\n      let err;\n      this.getSenders().forEach(s => {\n        if (s.track === track) {\n          if (sender) {\n            err = true;\n          } else {\n            sender = s;\n          }\n        }\n      });\n      this.getReceivers().forEach(r => {\n        if (r.track === track) {\n          if (receiver) {\n            err = true;\n          } else {\n            receiver = r;\n          }\n        }\n        return r.track === track;\n      });\n      if (err || (sender && receiver)) {\n        return Promise.reject(new DOMException(\n          'There are more than one sender or receiver for the track.',\n          'InvalidAccessError'));\n      } else if (sender) {\n        return sender.getStats();\n      } else if (receiver) {\n        return receiver.getStats();\n      }\n      return Promise.reject(new DOMException(\n        'There is no sender or receiver for the track.',\n        'InvalidAccessError'));\n    }\n    return origGetStats.apply(this, arguments);\n  };\n}\n\nexport function shimAddTrackRemoveTrackWithNative(window) {\n  // shim addTrack/removeTrack with native variants in order to make\n  // the interactions with legacy getLocalStreams behave as in other browsers.\n  // Keeps a mapping stream.id => [stream, rtpsenders...]\n  window.RTCPeerConnection.prototype.getLocalStreams =\n    function getLocalStreams() {\n      this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n      return Object.keys(this._shimmedLocalStreams)\n        .map(streamId => this._shimmedLocalStreams[streamId][0]);\n    };\n\n  const origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n  window.RTCPeerConnection.prototype.addTrack =\n    function addTrack(track, stream) {\n      if (!stream) {\n        return origAddTrack.apply(this, arguments);\n      }\n      this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n\n      const sender = origAddTrack.apply(this, arguments);\n      if (!this._shimmedLocalStreams[stream.id]) {\n        this._shimmedLocalStreams[stream.id] = [stream, sender];\n      } else if (this._shimmedLocalStreams[stream.id].indexOf(sender) === -1) {\n        this._shimmedLocalStreams[stream.id].push(sender);\n      }\n      return sender;\n    };\n\n  const origAddStream = window.RTCPeerConnection.prototype.addStream;\n  window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n    this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n\n    stream.getTracks().forEach(track => {\n      const alreadyExists = this.getSenders().find(s => s.track === track);\n      if (alreadyExists) {\n        throw new DOMException('Track already exists.',\n          'InvalidAccessError');\n      }\n    });\n    const existingSenders = this.getSenders();\n    origAddStream.apply(this, arguments);\n    const newSenders = this.getSenders()\n      .filter(newSender => existingSenders.indexOf(newSender) === -1);\n    this._shimmedLocalStreams[stream.id] = [stream].concat(newSenders);\n  };\n\n  const origRemoveStream = window.RTCPeerConnection.prototype.removeStream;\n  window.RTCPeerConnection.prototype.removeStream =\n    function removeStream(stream) {\n      this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n      delete this._shimmedLocalStreams[stream.id];\n      return origRemoveStream.apply(this, arguments);\n    };\n\n  const origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;\n  window.RTCPeerConnection.prototype.removeTrack =\n    function removeTrack(sender) {\n      this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n      if (sender) {\n        Object.keys(this._shimmedLocalStreams).forEach(streamId => {\n          const idx = this._shimmedLocalStreams[streamId].indexOf(sender);\n          if (idx !== -1) {\n            this._shimmedLocalStreams[streamId].splice(idx, 1);\n          }\n          if (this._shimmedLocalStreams[streamId].length === 1) {\n            delete this._shimmedLocalStreams[streamId];\n          }\n        });\n      }\n      return origRemoveTrack.apply(this, arguments);\n    };\n}\n\nexport function shimAddTrackRemoveTrack(window, browserDetails) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n  // shim addTrack and removeTrack.\n  if (window.RTCPeerConnection.prototype.addTrack &&\n      browserDetails.version >= 65) {\n    return shimAddTrackRemoveTrackWithNative(window);\n  }\n\n  // also shim pc.getLocalStreams when addTrack is shimmed\n  // to return the original streams.\n  const origGetLocalStreams = window.RTCPeerConnection.prototype\n    .getLocalStreams;\n  window.RTCPeerConnection.prototype.getLocalStreams =\n    function getLocalStreams() {\n      const nativeStreams = origGetLocalStreams.apply(this);\n      this._reverseStreams = this._reverseStreams || {};\n      return nativeStreams.map(stream => this._reverseStreams[stream.id]);\n    };\n\n  const origAddStream = window.RTCPeerConnection.prototype.addStream;\n  window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n    this._streams = this._streams || {};\n    this._reverseStreams = this._reverseStreams || {};\n\n    stream.getTracks().forEach(track => {\n      const alreadyExists = this.getSenders().find(s => s.track === track);\n      if (alreadyExists) {\n        throw new DOMException('Track already exists.',\n          'InvalidAccessError');\n      }\n    });\n    // Add identity mapping for consistency with addTrack.\n    // Unless this is being used with a stream from addTrack.\n    if (!this._reverseStreams[stream.id]) {\n      const newStream = new window.MediaStream(stream.getTracks());\n      this._streams[stream.id] = newStream;\n      this._reverseStreams[newStream.id] = stream;\n      stream = newStream;\n    }\n    origAddStream.apply(this, [stream]);\n  };\n\n  const origRemoveStream = window.RTCPeerConnection.prototype.removeStream;\n  window.RTCPeerConnection.prototype.removeStream =\n    function removeStream(stream) {\n      this._streams = this._streams || {};\n      this._reverseStreams = this._reverseStreams || {};\n\n      origRemoveStream.apply(this, [(this._streams[stream.id] || stream)]);\n      delete this._reverseStreams[(this._streams[stream.id] ?\n        this._streams[stream.id].id : stream.id)];\n      delete this._streams[stream.id];\n    };\n\n  window.RTCPeerConnection.prototype.addTrack =\n    function addTrack(track, stream) {\n      if (this.signalingState === 'closed') {\n        throw new DOMException(\n          'The RTCPeerConnection\\'s signalingState is \\'closed\\'.',\n          'InvalidStateError');\n      }\n      const streams = [].slice.call(arguments, 1);\n      if (streams.length !== 1 ||\n          !streams[0].getTracks().find(t => t === track)) {\n        // this is not fully correct but all we can manage without\n        // [[associated MediaStreams]] internal slot.\n        throw new DOMException(\n          'The adapter.js addTrack polyfill only supports a single ' +\n          ' stream which is associated with the specified track.',\n          'NotSupportedError');\n      }\n\n      const alreadyExists = this.getSenders().find(s => s.track === track);\n      if (alreadyExists) {\n        throw new DOMException('Track already exists.',\n          'InvalidAccessError');\n      }\n\n      this._streams = this._streams || {};\n      this._reverseStreams = this._reverseStreams || {};\n      const oldStream = this._streams[stream.id];\n      if (oldStream) {\n        // this is using odd Chrome behaviour, use with caution:\n        // https://bugs.chromium.org/p/webrtc/issues/detail?id=7815\n        // Note: we rely on the high-level addTrack/dtmf shim to\n        // create the sender with a dtmf sender.\n        oldStream.addTrack(track);\n\n        // Trigger ONN async.\n        Promise.resolve().then(() => {\n          this.dispatchEvent(new Event('negotiationneeded'));\n        });\n      } else {\n        const newStream = new window.MediaStream([track]);\n        this._streams[stream.id] = newStream;\n        this._reverseStreams[newStream.id] = stream;\n        this.addStream(newStream);\n      }\n      return this.getSenders().find(s => s.track === track);\n    };\n\n  // replace the internal stream id with the external one and\n  // vice versa.\n  function replaceInternalStreamId(pc, description) {\n    let sdp = description.sdp;\n    Object.keys(pc._reverseStreams || []).forEach(internalId => {\n      const externalStream = pc._reverseStreams[internalId];\n      const internalStream = pc._streams[externalStream.id];\n      sdp = sdp.replace(new RegExp(internalStream.id, 'g'),\n        externalStream.id);\n    });\n    return new RTCSessionDescription({\n      type: description.type,\n      sdp\n    });\n  }\n  function replaceExternalStreamId(pc, description) {\n    let sdp = description.sdp;\n    Object.keys(pc._reverseStreams || []).forEach(internalId => {\n      const externalStream = pc._reverseStreams[internalId];\n      const internalStream = pc._streams[externalStream.id];\n      sdp = sdp.replace(new RegExp(externalStream.id, 'g'),\n        internalStream.id);\n    });\n    return new RTCSessionDescription({\n      type: description.type,\n      sdp\n    });\n  }\n  ['createOffer', 'createAnswer'].forEach(function(method) {\n    const nativeMethod = window.RTCPeerConnection.prototype[method];\n    const methodObj = {[method]() {\n      const args = arguments;\n      const isLegacyCall = arguments.length &&\n          typeof arguments[0] === 'function';\n      if (isLegacyCall) {\n        return nativeMethod.apply(this, [\n          (description) => {\n            const desc = replaceInternalStreamId(this, description);\n            args[0].apply(null, [desc]);\n          },\n          (err) => {\n            if (args[1]) {\n              args[1].apply(null, err);\n            }\n          }, arguments[2]\n        ]);\n      }\n      return nativeMethod.apply(this, arguments)\n        .then(description => replaceInternalStreamId(this, description));\n    }};\n    window.RTCPeerConnection.prototype[method] = methodObj[method];\n  });\n\n  const origSetLocalDescription =\n      window.RTCPeerConnection.prototype.setLocalDescription;\n  window.RTCPeerConnection.prototype.setLocalDescription =\n    function setLocalDescription() {\n      if (!arguments.length || !arguments[0].type) {\n        return origSetLocalDescription.apply(this, arguments);\n      }\n      arguments[0] = replaceExternalStreamId(this, arguments[0]);\n      return origSetLocalDescription.apply(this, arguments);\n    };\n\n  // TODO: mangle getStats: https://w3c.github.io/webrtc-stats/#dom-rtcmediastreamstats-streamidentifier\n\n  const origLocalDescription = Object.getOwnPropertyDescriptor(\n    window.RTCPeerConnection.prototype, 'localDescription');\n  Object.defineProperty(window.RTCPeerConnection.prototype,\n    'localDescription', {\n      get() {\n        const description = origLocalDescription.get.apply(this);\n        if (description.type === '') {\n          return description;\n        }\n        return replaceInternalStreamId(this, description);\n      }\n    });\n\n  window.RTCPeerConnection.prototype.removeTrack =\n    function removeTrack(sender) {\n      if (this.signalingState === 'closed') {\n        throw new DOMException(\n          'The RTCPeerConnection\\'s signalingState is \\'closed\\'.',\n          'InvalidStateError');\n      }\n      // We can not yet check for sender instanceof RTCRtpSender\n      // since we shim RTPSender. So we check if sender._pc is set.\n      if (!sender._pc) {\n        throw new DOMException('Argument 1 of RTCPeerConnection.removeTrack ' +\n            'does not implement interface RTCRtpSender.', 'TypeError');\n      }\n      const isLocal = sender._pc === this;\n      if (!isLocal) {\n        throw new DOMException('Sender was not created by this connection.',\n          'InvalidAccessError');\n      }\n\n      // Search for the native stream the senders track belongs to.\n      this._streams = this._streams || {};\n      let stream;\n      Object.keys(this._streams).forEach(streamid => {\n        const hasTrack = this._streams[streamid].getTracks()\n          .find(track => sender.track === track);\n        if (hasTrack) {\n          stream = this._streams[streamid];\n        }\n      });\n\n      if (stream) {\n        if (stream.getTracks().length === 1) {\n          // if this is the last track of the stream, remove the stream. This\n          // takes care of any shimmed _senders.\n          this.removeStream(this._reverseStreams[stream.id]);\n        } else {\n          // relying on the same odd chrome behaviour as above.\n          stream.removeTrack(sender.track);\n        }\n        this.dispatchEvent(new Event('negotiationneeded'));\n      }\n    };\n}\n\nexport function shimPeerConnection(window, browserDetails) {\n  if (!window.RTCPeerConnection && window.webkitRTCPeerConnection) {\n    // very basic support for old versions.\n    window.RTCPeerConnection = window.webkitRTCPeerConnection;\n  }\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n\n  // shim implicit creation of RTCSessionDescription/RTCIceCandidate\n  if (browserDetails.version < 53) {\n    ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']\n      .forEach(function(method) {\n        const nativeMethod = window.RTCPeerConnection.prototype[method];\n        const methodObj = {[method]() {\n          arguments[0] = new ((method === 'addIceCandidate') ?\n            window.RTCIceCandidate :\n            window.RTCSessionDescription)(arguments[0]);\n          return nativeMethod.apply(this, arguments);\n        }};\n        window.RTCPeerConnection.prototype[method] = methodObj[method];\n      });\n  }\n}\n\n// Attempt to fix ONN in plan-b mode.\nexport function fixNegotiationNeeded(window, browserDetails) {\n  utils.wrapPeerConnectionEvent(window, 'negotiationneeded', e => {\n    const pc = e.target;\n    if (browserDetails.version < 72 || (pc.getConfiguration &&\n        pc.getConfiguration().sdpSemantics === 'plan-b')) {\n      if (pc.signalingState !== 'stable') {\n        return;\n      }\n    }\n    return e;\n  });\n}\n","/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\nimport * as utils from '../utils.js';\nconst logging = utils.log;\n\nexport function shimGetUserMedia(window, browserDetails) {\n  const navigator = window && window.navigator;\n\n  if (!navigator.mediaDevices) {\n    return;\n  }\n\n  const constraintsToChrome_ = function(c) {\n    if (typeof c !== 'object' || c.mandatory || c.optional) {\n      return c;\n    }\n    const cc = {};\n    Object.keys(c).forEach(key => {\n      if (key === 'require' || key === 'advanced' || key === 'mediaSource') {\n        return;\n      }\n      const r = (typeof c[key] === 'object') ? c[key] : {ideal: c[key]};\n      if (r.exact !== undefined && typeof r.exact === 'number') {\n        r.min = r.max = r.exact;\n      }\n      const oldname_ = function(prefix, name) {\n        if (prefix) {\n          return prefix + name.charAt(0).toUpperCase() + name.slice(1);\n        }\n        return (name === 'deviceId') ? 'sourceId' : name;\n      };\n      if (r.ideal !== undefined) {\n        cc.optional = cc.optional || [];\n        let oc = {};\n        if (typeof r.ideal === 'number') {\n          oc[oldname_('min', key)] = r.ideal;\n          cc.optional.push(oc);\n          oc = {};\n          oc[oldname_('max', key)] = r.ideal;\n          cc.optional.push(oc);\n        } else {\n          oc[oldname_('', key)] = r.ideal;\n          cc.optional.push(oc);\n        }\n      }\n      if (r.exact !== undefined && typeof r.exact !== 'number') {\n        cc.mandatory = cc.mandatory || {};\n        cc.mandatory[oldname_('', key)] = r.exact;\n      } else {\n        ['min', 'max'].forEach(mix => {\n          if (r[mix] !== undefined) {\n            cc.mandatory = cc.mandatory || {};\n            cc.mandatory[oldname_(mix, key)] = r[mix];\n          }\n        });\n      }\n    });\n    if (c.advanced) {\n      cc.optional = (cc.optional || []).concat(c.advanced);\n    }\n    return cc;\n  };\n\n  const shimConstraints_ = function(constraints, func) {\n    if (browserDetails.version >= 61) {\n      return func(constraints);\n    }\n    constraints = JSON.parse(JSON.stringify(constraints));\n    if (constraints && typeof constraints.audio === 'object') {\n      const remap = function(obj, a, b) {\n        if (a in obj && !(b in obj)) {\n          obj[b] = obj[a];\n          delete obj[a];\n        }\n      };\n      constraints = JSON.parse(JSON.stringify(constraints));\n      remap(constraints.audio, 'autoGainControl', 'googAutoGainControl');\n      remap(constraints.audio, 'noiseSuppression', 'googNoiseSuppression');\n      constraints.audio = constraintsToChrome_(constraints.audio);\n    }\n    if (constraints && typeof constraints.video === 'object') {\n      // Shim facingMode for mobile & surface pro.\n      let face = constraints.video.facingMode;\n      face = face && ((typeof face === 'object') ? face : {ideal: face});\n      const getSupportedFacingModeLies = browserDetails.version < 66;\n\n      if ((face && (face.exact === 'user' || face.exact === 'environment' ||\n                    face.ideal === 'user' || face.ideal === 'environment')) &&\n          !(navigator.mediaDevices.getSupportedConstraints &&\n            navigator.mediaDevices.getSupportedConstraints().facingMode &&\n            !getSupportedFacingModeLies)) {\n        delete constraints.video.facingMode;\n        let matches;\n        if (face.exact === 'environment' || face.ideal === 'environment') {\n          matches = ['back', 'rear'];\n        } else if (face.exact === 'user' || face.ideal === 'user') {\n          matches = ['front'];\n        }\n        if (matches) {\n          // Look for matches in label, or use last cam for back (typical).\n          return navigator.mediaDevices.enumerateDevices()\n            .then(devices => {\n              devices = devices.filter(d => d.kind === 'videoinput');\n              let dev = devices.find(d => matches.some(match =>\n                d.label.toLowerCase().includes(match)));\n              if (!dev && devices.length && matches.includes('back')) {\n                dev = devices[devices.length - 1]; // more likely the back cam\n              }\n              if (dev) {\n                constraints.video.deviceId = face.exact\n                  ? {exact: dev.deviceId}\n                  : {ideal: dev.deviceId};\n              }\n              constraints.video = constraintsToChrome_(constraints.video);\n              logging('chrome: ' + JSON.stringify(constraints));\n              return func(constraints);\n            });\n        }\n      }\n      constraints.video = constraintsToChrome_(constraints.video);\n    }\n    logging('chrome: ' + JSON.stringify(constraints));\n    return func(constraints);\n  };\n\n  const shimError_ = function(e) {\n    if (browserDetails.version >= 64) {\n      return e;\n    }\n    return {\n      name: {\n        PermissionDeniedError: 'NotAllowedError',\n        PermissionDismissedError: 'NotAllowedError',\n        InvalidStateError: 'NotAllowedError',\n        DevicesNotFoundError: 'NotFoundError',\n        ConstraintNotSatisfiedError: 'OverconstrainedError',\n        TrackStartError: 'NotReadableError',\n        MediaDeviceFailedDueToShutdown: 'NotAllowedError',\n        MediaDeviceKillSwitchOn: 'NotAllowedError',\n        TabCaptureError: 'AbortError',\n        ScreenCaptureError: 'AbortError',\n        DeviceCaptureError: 'AbortError'\n      }[e.name] || e.name,\n      message: e.message,\n      constraint: e.constraint || e.constraintName,\n      toString() {\n        return this.name + (this.message && ': ') + this.message;\n      }\n    };\n  };\n\n  const getUserMedia_ = function(constraints, onSuccess, onError) {\n    shimConstraints_(constraints, c => {\n      navigator.webkitGetUserMedia(c, onSuccess, e => {\n        if (onError) {\n          onError(shimError_(e));\n        }\n      });\n    });\n  };\n  navigator.getUserMedia = getUserMedia_.bind(navigator);\n\n  // Even though Chrome 45 has navigator.mediaDevices and a getUserMedia\n  // function which returns a Promise, it does not accept spec-style\n  // constraints.\n  if (navigator.mediaDevices.getUserMedia) {\n    const origGetUserMedia = navigator.mediaDevices.getUserMedia.\n      bind(navigator.mediaDevices);\n    navigator.mediaDevices.getUserMedia = function(cs) {\n      return shimConstraints_(cs, c => origGetUserMedia(c).then(stream => {\n        if (c.audio && !stream.getAudioTracks().length ||\n            c.video && !stream.getVideoTracks().length) {\n          stream.getTracks().forEach(track => {\n            track.stop();\n          });\n          throw new DOMException('', 'NotFoundError');\n        }\n        return stream;\n      }, e => Promise.reject(shimError_(e))));\n    };\n  }\n}\n","/*\n *  Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\nexport function shimGetDisplayMedia(window, getSourceId) {\n  if (window.navigator.mediaDevices &&\n    'getDisplayMedia' in window.navigator.mediaDevices) {\n    return;\n  }\n  if (!(window.navigator.mediaDevices)) {\n    return;\n  }\n  // getSourceId is a function that returns a promise resolving with\n  // the sourceId of the screen/window/tab to be shared.\n  if (typeof getSourceId !== 'function') {\n    console.error('shimGetDisplayMedia: getSourceId argument is not ' +\n        'a function');\n    return;\n  }\n  window.navigator.mediaDevices.getDisplayMedia =\n    function getDisplayMedia(constraints) {\n      return getSourceId(constraints)\n        .then(sourceId => {\n          const widthSpecified = constraints.video && constraints.video.width;\n          const heightSpecified = constraints.video &&\n            constraints.video.height;\n          const frameRateSpecified = constraints.video &&\n            constraints.video.frameRate;\n          constraints.video = {\n            mandatory: {\n              chromeMediaSource: 'desktop',\n              chromeMediaSourceId: sourceId,\n              maxFrameRate: frameRateSpecified || 3\n            }\n          };\n          if (widthSpecified) {\n            constraints.video.mandatory.maxWidth = widthSpecified;\n          }\n          if (heightSpecified) {\n            constraints.video.mandatory.maxHeight = heightSpecified;\n          }\n          return window.navigator.mediaDevices.getUserMedia(constraints);\n        });\n    };\n}\n","/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nimport * as utils from '../utils';\nexport {shimGetUserMedia} from './getusermedia';\nexport {shimGetDisplayMedia} from './getdisplaymedia';\n\nexport function shimOnTrack(window) {\n  if (typeof window === 'object' && window.RTCTrackEvent &&\n      ('receiver' in window.RTCTrackEvent.prototype) &&\n      !('transceiver' in window.RTCTrackEvent.prototype)) {\n    Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {\n      get() {\n        return {receiver: this.receiver};\n      }\n    });\n  }\n}\n\nexport function shimPeerConnection(window, browserDetails) {\n  if (typeof window !== 'object' ||\n      !(window.RTCPeerConnection || window.mozRTCPeerConnection)) {\n    return; // probably media.peerconnection.enabled=false in about:config\n  }\n  if (!window.RTCPeerConnection && window.mozRTCPeerConnection) {\n    // very basic support for old versions.\n    window.RTCPeerConnection = window.mozRTCPeerConnection;\n  }\n\n  if (browserDetails.version < 53) {\n    // shim away need for obsolete RTCIceCandidate/RTCSessionDescription.\n    ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']\n      .forEach(function(method) {\n        const nativeMethod = window.RTCPeerConnection.prototype[method];\n        const methodObj = {[method]() {\n          arguments[0] = new ((method === 'addIceCandidate') ?\n            window.RTCIceCandidate :\n            window.RTCSessionDescription)(arguments[0]);\n          return nativeMethod.apply(this, arguments);\n        }};\n        window.RTCPeerConnection.prototype[method] = methodObj[method];\n      });\n  }\n\n  const modernStatsTypes = {\n    inboundrtp: 'inbound-rtp',\n    outboundrtp: 'outbound-rtp',\n    candidatepair: 'candidate-pair',\n    localcandidate: 'local-candidate',\n    remotecandidate: 'remote-candidate'\n  };\n\n  const nativeGetStats = window.RTCPeerConnection.prototype.getStats;\n  window.RTCPeerConnection.prototype.getStats = function getStats() {\n    const [selector, onSucc, onErr] = arguments;\n    return nativeGetStats.apply(this, [selector || null])\n      .then(stats => {\n        if (browserDetails.version < 53 && !onSucc) {\n          // Shim only promise getStats with spec-hyphens in type names\n          // Leave callback version alone; misc old uses of forEach before Map\n          try {\n            stats.forEach(stat => {\n              stat.type = modernStatsTypes[stat.type] || stat.type;\n            });\n          } catch (e) {\n            if (e.name !== 'TypeError') {\n              throw e;\n            }\n            // Avoid TypeError: \"type\" is read-only, in old versions. 34-43ish\n            stats.forEach((stat, i) => {\n              stats.set(i, Object.assign({}, stat, {\n                type: modernStatsTypes[stat.type] || stat.type\n              }));\n            });\n          }\n        }\n        return stats;\n      })\n      .then(onSucc, onErr);\n  };\n}\n\nexport function shimSenderGetStats(window) {\n  if (!(typeof window === 'object' && window.RTCPeerConnection &&\n      window.RTCRtpSender)) {\n    return;\n  }\n  if (window.RTCRtpSender && 'getStats' in window.RTCRtpSender.prototype) {\n    return;\n  }\n  const origGetSenders = window.RTCPeerConnection.prototype.getSenders;\n  if (origGetSenders) {\n    window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n      const senders = origGetSenders.apply(this, []);\n      senders.forEach(sender => sender._pc = this);\n      return senders;\n    };\n  }\n\n  const origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n  if (origAddTrack) {\n    window.RTCPeerConnection.prototype.addTrack = function addTrack() {\n      const sender = origAddTrack.apply(this, arguments);\n      sender._pc = this;\n      return sender;\n    };\n  }\n  window.RTCRtpSender.prototype.getStats = function getStats() {\n    return this.track ? this._pc.getStats(this.track) :\n      Promise.resolve(new Map());\n  };\n}\n\nexport function shimReceiverGetStats(window) {\n  if (!(typeof window === 'object' && window.RTCPeerConnection &&\n      window.RTCRtpSender)) {\n    return;\n  }\n  if (window.RTCRtpSender && 'getStats' in window.RTCRtpReceiver.prototype) {\n    return;\n  }\n  const origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;\n  if (origGetReceivers) {\n    window.RTCPeerConnection.prototype.getReceivers = function getReceivers() {\n      const receivers = origGetReceivers.apply(this, []);\n      receivers.forEach(receiver => receiver._pc = this);\n      return receivers;\n    };\n  }\n  utils.wrapPeerConnectionEvent(window, 'track', e => {\n    e.receiver._pc = e.srcElement;\n    return e;\n  });\n  window.RTCRtpReceiver.prototype.getStats = function getStats() {\n    return this._pc.getStats(this.track);\n  };\n}\n\nexport function shimRemoveStream(window) {\n  if (!window.RTCPeerConnection ||\n      'removeStream' in window.RTCPeerConnection.prototype) {\n    return;\n  }\n  window.RTCPeerConnection.prototype.removeStream =\n    function removeStream(stream) {\n      utils.deprecated('removeStream', 'removeTrack');\n      this.getSenders().forEach(sender => {\n        if (sender.track && stream.getTracks().includes(sender.track)) {\n          this.removeTrack(sender);\n        }\n      });\n    };\n}\n\nexport function shimRTCDataChannel(window) {\n  // rename DataChannel to RTCDataChannel (native fix in FF60):\n  // https://bugzilla.mozilla.org/show_bug.cgi?id=1173851\n  if (window.DataChannel && !window.RTCDataChannel) {\n    window.RTCDataChannel = window.DataChannel;\n  }\n}\n\nexport function shimAddTransceiver(window) {\n  // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647\n  // Firefox ignores the init sendEncodings options passed to addTransceiver\n  // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918\n  if (!(typeof window === 'object' && window.RTCPeerConnection)) {\n    return;\n  }\n  const origAddTransceiver = window.RTCPeerConnection.prototype.addTransceiver;\n  if (origAddTransceiver) {\n    window.RTCPeerConnection.prototype.addTransceiver =\n      function addTransceiver() {\n        this.setParametersPromises = [];\n        // WebIDL input coercion and validation\n        let sendEncodings = arguments[1] && arguments[1].sendEncodings;\n        if (sendEncodings === undefined) {\n          sendEncodings = [];\n        }\n        sendEncodings = [...sendEncodings];\n        const shouldPerformCheck = sendEncodings.length > 0;\n        if (shouldPerformCheck) {\n          // If sendEncodings params are provided, validate grammar\n          sendEncodings.forEach((encodingParam) => {\n            if ('rid' in encodingParam) {\n              const ridRegex = /^[a-z0-9]{0,16}$/i;\n              if (!ridRegex.test(encodingParam.rid)) {\n                throw new TypeError('Invalid RID value provided.');\n              }\n            }\n            if ('scaleResolutionDownBy' in encodingParam) {\n              if (!(parseFloat(encodingParam.scaleResolutionDownBy) >= 1.0)) {\n                throw new RangeError('scale_resolution_down_by must be >= 1.0');\n              }\n            }\n            if ('maxFramerate' in encodingParam) {\n              if (!(parseFloat(encodingParam.maxFramerate) >= 0)) {\n                throw new RangeError('max_framerate must be >= 0.0');\n              }\n            }\n          });\n        }\n        const transceiver = origAddTransceiver.apply(this, arguments);\n        if (shouldPerformCheck) {\n          // Check if the init options were applied. If not we do this in an\n          // asynchronous way and save the promise reference in a global object.\n          // This is an ugly hack, but at the same time is way more robust than\n          // checking the sender parameters before and after the createOffer\n          // Also note that after the createoffer we are not 100% sure that\n          // the params were asynchronously applied so we might miss the\n          // opportunity to recreate offer.\n          const {sender} = transceiver;\n          const params = sender.getParameters();\n          if (!('encodings' in params) ||\n              // Avoid being fooled by patched getParameters() below.\n              (params.encodings.length === 1 &&\n               Object.keys(params.encodings[0]).length === 0)) {\n            params.encodings = sendEncodings;\n            sender.sendEncodings = sendEncodings;\n            this.setParametersPromises.push(sender.setParameters(params)\n              .then(() => {\n                delete sender.sendEncodings;\n              }).catch(() => {\n                delete sender.sendEncodings;\n              })\n            );\n          }\n        }\n        return transceiver;\n      };\n  }\n}\n\nexport function shimGetParameters(window) {\n  if (!(typeof window === 'object' && window.RTCRtpSender)) {\n    return;\n  }\n  const origGetParameters = window.RTCRtpSender.prototype.getParameters;\n  if (origGetParameters) {\n    window.RTCRtpSender.prototype.getParameters =\n      function getParameters() {\n        const params = origGetParameters.apply(this, arguments);\n        if (!('encodings' in params)) {\n          params.encodings = [].concat(this.sendEncodings || [{}]);\n        }\n        return params;\n      };\n  }\n}\n\nexport function shimCreateOffer(window) {\n  // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647\n  // Firefox ignores the init sendEncodings options passed to addTransceiver\n  // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918\n  if (!(typeof window === 'object' && window.RTCPeerConnection)) {\n    return;\n  }\n  const origCreateOffer = window.RTCPeerConnection.prototype.createOffer;\n  window.RTCPeerConnection.prototype.createOffer = function createOffer() {\n    if (this.setParametersPromises && this.setParametersPromises.length) {\n      return Promise.all(this.setParametersPromises)\n        .then(() => {\n          return origCreateOffer.apply(this, arguments);\n        })\n        .finally(() => {\n          this.setParametersPromises = [];\n        });\n    }\n    return origCreateOffer.apply(this, arguments);\n  };\n}\n\nexport function shimCreateAnswer(window) {\n  // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647\n  // Firefox ignores the init sendEncodings options passed to addTransceiver\n  // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918\n  if (!(typeof window === 'object' && window.RTCPeerConnection)) {\n    return;\n  }\n  const origCreateAnswer = window.RTCPeerConnection.prototype.createAnswer;\n  window.RTCPeerConnection.prototype.createAnswer = function createAnswer() {\n    if (this.setParametersPromises && this.setParametersPromises.length) {\n      return Promise.all(this.setParametersPromises)\n        .then(() => {\n          return origCreateAnswer.apply(this, arguments);\n        })\n        .finally(() => {\n          this.setParametersPromises = [];\n        });\n    }\n    return origCreateAnswer.apply(this, arguments);\n  };\n}\n","/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nimport * as utils from '../utils';\n\nexport function shimGetUserMedia(window, browserDetails) {\n  const navigator = window && window.navigator;\n  const MediaStreamTrack = window && window.MediaStreamTrack;\n\n  navigator.getUserMedia = function(constraints, onSuccess, onError) {\n    // Replace Firefox 44+'s deprecation warning with unprefixed version.\n    utils.deprecated('navigator.getUserMedia',\n      'navigator.mediaDevices.getUserMedia');\n    navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);\n  };\n\n  if (!(browserDetails.version > 55 &&\n      'autoGainControl' in navigator.mediaDevices.getSupportedConstraints())) {\n    const remap = function(obj, a, b) {\n      if (a in obj && !(b in obj)) {\n        obj[b] = obj[a];\n        delete obj[a];\n      }\n    };\n\n    const nativeGetUserMedia = navigator.mediaDevices.getUserMedia.\n      bind(navigator.mediaDevices);\n    navigator.mediaDevices.getUserMedia = function(c) {\n      if (typeof c === 'object' && typeof c.audio === 'object') {\n        c = JSON.parse(JSON.stringify(c));\n        remap(c.audio, 'autoGainControl', 'mozAutoGainControl');\n        remap(c.audio, 'noiseSuppression', 'mozNoiseSuppression');\n      }\n      return nativeGetUserMedia(c);\n    };\n\n    if (MediaStreamTrack && MediaStreamTrack.prototype.getSettings) {\n      const nativeGetSettings = MediaStreamTrack.prototype.getSettings;\n      MediaStreamTrack.prototype.getSettings = function() {\n        const obj = nativeGetSettings.apply(this, arguments);\n        remap(obj, 'mozAutoGainControl', 'autoGainControl');\n        remap(obj, 'mozNoiseSuppression', 'noiseSuppression');\n        return obj;\n      };\n    }\n\n    if (MediaStreamTrack && MediaStreamTrack.prototype.applyConstraints) {\n      const nativeApplyConstraints =\n        MediaStreamTrack.prototype.applyConstraints;\n      MediaStreamTrack.prototype.applyConstraints = function(c) {\n        if (this.kind === 'audio' && typeof c === 'object') {\n          c = JSON.parse(JSON.stringify(c));\n          remap(c, 'autoGainControl', 'mozAutoGainControl');\n          remap(c, 'noiseSuppression', 'mozNoiseSuppression');\n        }\n        return nativeApplyConstraints.apply(this, [c]);\n      };\n    }\n  }\n}\n","/*\n *  Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nexport function shimGetDisplayMedia(window, preferredMediaSource) {\n  if (window.navigator.mediaDevices &&\n    'getDisplayMedia' in window.navigator.mediaDevices) {\n    return;\n  }\n  if (!(window.navigator.mediaDevices)) {\n    return;\n  }\n  window.navigator.mediaDevices.getDisplayMedia =\n    function getDisplayMedia(constraints) {\n      if (!(constraints && constraints.video)) {\n        const err = new DOMException('getDisplayMedia without video ' +\n            'constraints is undefined');\n        err.name = 'NotFoundError';\n        // from https://heycam.github.io/webidl/#idl-DOMException-error-names\n        err.code = 8;\n        return Promise.reject(err);\n      }\n      if (constraints.video === true) {\n        constraints.video = {mediaSource: preferredMediaSource};\n      } else {\n        constraints.video.mediaSource = preferredMediaSource;\n      }\n      return window.navigator.mediaDevices.getUserMedia(constraints);\n    };\n}\n","/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n'use strict';\nimport * as utils from '../utils';\n\nexport function shimLocalStreamsAPI(window) {\n  if (typeof window !== 'object' || !window.RTCPeerConnection) {\n    return;\n  }\n  if (!('getLocalStreams' in window.RTCPeerConnection.prototype)) {\n    window.RTCPeerConnection.prototype.getLocalStreams =\n      function getLocalStreams() {\n        if (!this._localStreams) {\n          this._localStreams = [];\n        }\n        return this._localStreams;\n      };\n  }\n  if (!('addStream' in window.RTCPeerConnection.prototype)) {\n    const _addTrack = window.RTCPeerConnection.prototype.addTrack;\n    window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n      if (!this._localStreams) {\n        this._localStreams = [];\n      }\n      if (!this._localStreams.includes(stream)) {\n        this._localStreams.push(stream);\n      }\n      // Try to emulate Chrome's behaviour of adding in audio-video order.\n      // Safari orders by track id.\n      stream.getAudioTracks().forEach(track => _addTrack.call(this, track,\n        stream));\n      stream.getVideoTracks().forEach(track => _addTrack.call(this, track,\n        stream));\n    };\n\n    window.RTCPeerConnection.prototype.addTrack =\n      function addTrack(track, ...streams) {\n        if (streams) {\n          streams.forEach((stream) => {\n            if (!this._localStreams) {\n              this._localStreams = [stream];\n            } else if (!this._localStreams.includes(stream)) {\n              this._localStreams.push(stream);\n            }\n          });\n        }\n        return _addTrack.apply(this, arguments);\n      };\n  }\n  if (!('removeStream' in window.RTCPeerConnection.prototype)) {\n    window.RTCPeerConnection.prototype.removeStream =\n      function removeStream(stream) {\n        if (!this._localStreams) {\n          this._localStreams = [];\n        }\n        const index = this._localStreams.indexOf(stream);\n        if (index === -1) {\n          return;\n        }\n        this._localStreams.splice(index, 1);\n        const tracks = stream.getTracks();\n        this.getSenders().forEach(sender => {\n          if (tracks.includes(sender.track)) {\n            this.removeTrack(sender);\n          }\n        });\n      };\n  }\n}\n\nexport function shimRemoteStreamsAPI(window) {\n  if (typeof window !== 'object' || !window.RTCPeerConnection) {\n    return;\n  }\n  if (!('getRemoteStreams' in window.RTCPeerConnection.prototype)) {\n    window.RTCPeerConnection.prototype.getRemoteStreams =\n      function getRemoteStreams() {\n        return this._remoteStreams ? this._remoteStreams : [];\n      };\n  }\n  if (!('onaddstream' in window.RTCPeerConnection.prototype)) {\n    Object.defineProperty(window.RTCPeerConnection.prototype, 'onaddstream', {\n      get() {\n        return this._onaddstream;\n      },\n      set(f) {\n        if (this._onaddstream) {\n          this.removeEventListener('addstream', this._onaddstream);\n          this.removeEventListener('track', this._onaddstreampoly);\n        }\n        this.addEventListener('addstream', this._onaddstream = f);\n        this.addEventListener('track', this._onaddstreampoly = (e) => {\n          e.streams.forEach(stream => {\n            if (!this._remoteStreams) {\n              this._remoteStreams = [];\n            }\n            if (this._remoteStreams.includes(stream)) {\n              return;\n            }\n            this._remoteStreams.push(stream);\n            const event = new Event('addstream');\n            event.stream = stream;\n            this.dispatchEvent(event);\n          });\n        });\n      }\n    });\n    const origSetRemoteDescription =\n      window.RTCPeerConnection.prototype.setRemoteDescription;\n    window.RTCPeerConnection.prototype.setRemoteDescription =\n      function setRemoteDescription() {\n        const pc = this;\n        if (!this._onaddstreampoly) {\n          this.addEventListener('track', this._onaddstreampoly = function(e) {\n            e.streams.forEach(stream => {\n              if (!pc._remoteStreams) {\n                pc._remoteStreams = [];\n              }\n              if (pc._remoteStreams.indexOf(stream) >= 0) {\n                return;\n              }\n              pc._remoteStreams.push(stream);\n              const event = new Event('addstream');\n              event.stream = stream;\n              pc.dispatchEvent(event);\n            });\n          });\n        }\n        return origSetRemoteDescription.apply(pc, arguments);\n      };\n  }\n}\n\nexport function shimCallbacksAPI(window) {\n  if (typeof window !== 'object' || !window.RTCPeerConnection) {\n    return;\n  }\n  const prototype = window.RTCPeerConnection.prototype;\n  const origCreateOffer = prototype.createOffer;\n  const origCreateAnswer = prototype.createAnswer;\n  const setLocalDescription = prototype.setLocalDescription;\n  const setRemoteDescription = prototype.setRemoteDescription;\n  const addIceCandidate = prototype.addIceCandidate;\n\n  prototype.createOffer =\n    function createOffer(successCallback, failureCallback) {\n      const options = (arguments.length >= 2) ? arguments[2] : arguments[0];\n      const promise = origCreateOffer.apply(this, [options]);\n      if (!failureCallback) {\n        return promise;\n      }\n      promise.then(successCallback, failureCallback);\n      return Promise.resolve();\n    };\n\n  prototype.createAnswer =\n    function createAnswer(successCallback, failureCallback) {\n      const options = (arguments.length >= 2) ? arguments[2] : arguments[0];\n      const promise = origCreateAnswer.apply(this, [options]);\n      if (!failureCallback) {\n        return promise;\n      }\n      promise.then(successCallback, failureCallback);\n      return Promise.resolve();\n    };\n\n  let withCallback = function(description, successCallback, failureCallback) {\n    const promise = setLocalDescription.apply(this, [description]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n  prototype.setLocalDescription = withCallback;\n\n  withCallback = function(description, successCallback, failureCallback) {\n    const promise = setRemoteDescription.apply(this, [description]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n  prototype.setRemoteDescription = withCallback;\n\n  withCallback = function(candidate, successCallback, failureCallback) {\n    const promise = addIceCandidate.apply(this, [candidate]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n  prototype.addIceCandidate = withCallback;\n}\n\nexport function shimGetUserMedia(window) {\n  const navigator = window && window.navigator;\n\n  if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {\n    // shim not needed in Safari 12.1\n    const mediaDevices = navigator.mediaDevices;\n    const _getUserMedia = mediaDevices.getUserMedia.bind(mediaDevices);\n    navigator.mediaDevices.getUserMedia = (constraints) => {\n      return _getUserMedia(shimConstraints(constraints));\n    };\n  }\n\n  if (!navigator.getUserMedia && navigator.mediaDevices &&\n    navigator.mediaDevices.getUserMedia) {\n    navigator.getUserMedia = function getUserMedia(constraints, cb, errcb) {\n      navigator.mediaDevices.getUserMedia(constraints)\n        .then(cb, errcb);\n    }.bind(navigator);\n  }\n}\n\nexport function shimConstraints(constraints) {\n  if (constraints && constraints.video !== undefined) {\n    return Object.assign({},\n      constraints,\n      {video: utils.compactObject(constraints.video)}\n    );\n  }\n\n  return constraints;\n}\n\nexport function shimRTCIceServerUrls(window) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n  // migrate from non-spec RTCIceServer.url to RTCIceServer.urls\n  const OrigPeerConnection = window.RTCPeerConnection;\n  window.RTCPeerConnection =\n    function RTCPeerConnection(pcConfig, pcConstraints) {\n      if (pcConfig && pcConfig.iceServers) {\n        const newIceServers = [];\n        for (let i = 0; i < pcConfig.iceServers.length; i++) {\n          let server = pcConfig.iceServers[i];\n          if (server.urls === undefined && server.url) {\n            utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');\n            server = JSON.parse(JSON.stringify(server));\n            server.urls = server.url;\n            delete server.url;\n            newIceServers.push(server);\n          } else {\n            newIceServers.push(pcConfig.iceServers[i]);\n          }\n        }\n        pcConfig.iceServers = newIceServers;\n      }\n      return new OrigPeerConnection(pcConfig, pcConstraints);\n    };\n  window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;\n  // wrap static methods. Currently just generateCertificate.\n  if ('generateCertificate' in OrigPeerConnection) {\n    Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {\n      get() {\n        return OrigPeerConnection.generateCertificate;\n      }\n    });\n  }\n}\n\nexport function shimTrackEventTransceiver(window) {\n  // Add event.transceiver member over deprecated event.receiver\n  if (typeof window === 'object' && window.RTCTrackEvent &&\n      'receiver' in window.RTCTrackEvent.prototype &&\n      !('transceiver' in window.RTCTrackEvent.prototype)) {\n    Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {\n      get() {\n        return {receiver: this.receiver};\n      }\n    });\n  }\n}\n\nexport function shimCreateOfferLegacy(window) {\n  const origCreateOffer = window.RTCPeerConnection.prototype.createOffer;\n  window.RTCPeerConnection.prototype.createOffer =\n    function createOffer(offerOptions) {\n      if (offerOptions) {\n        if (typeof offerOptions.offerToReceiveAudio !== 'undefined') {\n          // support bit values\n          offerOptions.offerToReceiveAudio =\n            !!offerOptions.offerToReceiveAudio;\n        }\n        const audioTransceiver = this.getTransceivers().find(transceiver =>\n          transceiver.receiver.track.kind === 'audio');\n        if (offerOptions.offerToReceiveAudio === false && audioTransceiver) {\n          if (audioTransceiver.direction === 'sendrecv') {\n            if (audioTransceiver.setDirection) {\n              audioTransceiver.setDirection('sendonly');\n            } else {\n              audioTransceiver.direction = 'sendonly';\n            }\n          } else if (audioTransceiver.direction === 'recvonly') {\n            if (audioTransceiver.setDirection) {\n              audioTransceiver.setDirection('inactive');\n            } else {\n              audioTransceiver.direction = 'inactive';\n            }\n          }\n        } else if (offerOptions.offerToReceiveAudio === true &&\n            !audioTransceiver) {\n          this.addTransceiver('audio', {direction: 'recvonly'});\n        }\n\n        if (typeof offerOptions.offerToReceiveVideo !== 'undefined') {\n          // support bit values\n          offerOptions.offerToReceiveVideo =\n            !!offerOptions.offerToReceiveVideo;\n        }\n        const videoTransceiver = this.getTransceivers().find(transceiver =>\n          transceiver.receiver.track.kind === 'video');\n        if (offerOptions.offerToReceiveVideo === false && videoTransceiver) {\n          if (videoTransceiver.direction === 'sendrecv') {\n            if (videoTransceiver.setDirection) {\n              videoTransceiver.setDirection('sendonly');\n            } else {\n              videoTransceiver.direction = 'sendonly';\n            }\n          } else if (videoTransceiver.direction === 'recvonly') {\n            if (videoTransceiver.setDirection) {\n              videoTransceiver.setDirection('inactive');\n            } else {\n              videoTransceiver.direction = 'inactive';\n            }\n          }\n        } else if (offerOptions.offerToReceiveVideo === true &&\n            !videoTransceiver) {\n          this.addTransceiver('video', {direction: 'recvonly'});\n        }\n      }\n      return origCreateOffer.apply(this, arguments);\n    };\n}\n\nexport function shimAudioContext(window) {\n  if (typeof window !== 'object' || window.AudioContext) {\n    return;\n  }\n  window.AudioContext = window.webkitAudioContext;\n}\n\n","/*\n *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nimport SDPUtils from 'sdp';\nimport * as utils from './utils';\n\nexport function shimRTCIceCandidate(window) {\n  // foundation is arbitrarily chosen as an indicator for full support for\n  // https://w3c.github.io/webrtc-pc/#rtcicecandidate-interface\n  if (!window.RTCIceCandidate || (window.RTCIceCandidate && 'foundation' in\n      window.RTCIceCandidate.prototype)) {\n    return;\n  }\n\n  const NativeRTCIceCandidate = window.RTCIceCandidate;\n  window.RTCIceCandidate = function RTCIceCandidate(args) {\n    // Remove the a= which shouldn't be part of the candidate string.\n    if (typeof args === 'object' && args.candidate &&\n        args.candidate.indexOf('a=') === 0) {\n      args = JSON.parse(JSON.stringify(args));\n      args.candidate = args.candidate.substring(2);\n    }\n\n    if (args.candidate && args.candidate.length) {\n      // Augment the native candidate with the parsed fields.\n      const nativeCandidate = new NativeRTCIceCandidate(args);\n      const parsedCandidate = SDPUtils.parseCandidate(args.candidate);\n      for (const key in parsedCandidate) {\n        if (!(key in nativeCandidate)) {\n          Object.defineProperty(nativeCandidate, key,\n            {value: parsedCandidate[key]});\n        }\n      }\n\n      // Override serializer to not serialize the extra attributes.\n      nativeCandidate.toJSON = function toJSON() {\n        return {\n          candidate: nativeCandidate.candidate,\n          sdpMid: nativeCandidate.sdpMid,\n          sdpMLineIndex: nativeCandidate.sdpMLineIndex,\n          usernameFragment: nativeCandidate.usernameFragment,\n        };\n      };\n      return nativeCandidate;\n    }\n    return new NativeRTCIceCandidate(args);\n  };\n  window.RTCIceCandidate.prototype = NativeRTCIceCandidate.prototype;\n\n  // Hook up the augmented candidate in onicecandidate and\n  // addEventListener('icecandidate', ...)\n  utils.wrapPeerConnectionEvent(window, 'icecandidate', e => {\n    if (e.candidate) {\n      Object.defineProperty(e, 'candidate', {\n        value: new window.RTCIceCandidate(e.candidate),\n        writable: 'false'\n      });\n    }\n    return e;\n  });\n}\n\nexport function shimRTCIceCandidateRelayProtocol(window) {\n  if (!window.RTCIceCandidate || (window.RTCIceCandidate && 'relayProtocol' in\n      window.RTCIceCandidate.prototype)) {\n    return;\n  }\n\n  // Hook up the augmented candidate in onicecandidate and\n  // addEventListener('icecandidate', ...)\n  utils.wrapPeerConnectionEvent(window, 'icecandidate', e => {\n    if (e.candidate) {\n      const parsedCandidate = SDPUtils.parseCandidate(e.candidate.candidate);\n      if (parsedCandidate.type === 'relay') {\n        // This is a libwebrtc-specific mapping of local type preference\n        // to relayProtocol.\n        e.candidate.relayProtocol = {\n          0: 'tls',\n          1: 'tcp',\n          2: 'udp',\n        }[parsedCandidate.priority >> 24];\n      }\n    }\n    return e;\n  });\n}\n\nexport function shimMaxMessageSize(window, browserDetails) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n\n  if (!('sctp' in window.RTCPeerConnection.prototype)) {\n    Object.defineProperty(window.RTCPeerConnection.prototype, 'sctp', {\n      get() {\n        return typeof this._sctp === 'undefined' ? null : this._sctp;\n      }\n    });\n  }\n\n  const sctpInDescription = function(description) {\n    if (!description || !description.sdp) {\n      return false;\n    }\n    const sections = SDPUtils.splitSections(description.sdp);\n    sections.shift();\n    return sections.some(mediaSection => {\n      const mLine = SDPUtils.parseMLine(mediaSection);\n      return mLine && mLine.kind === 'application'\n          && mLine.protocol.indexOf('SCTP') !== -1;\n    });\n  };\n\n  const getRemoteFirefoxVersion = function(description) {\n    // TODO: Is there a better solution for detecting Firefox?\n    const match = description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\\d+)/);\n    if (match === null || match.length < 2) {\n      return -1;\n    }\n    const version = parseInt(match[1], 10);\n    // Test for NaN (yes, this is ugly)\n    return version !== version ? -1 : version;\n  };\n\n  const getCanSendMaxMessageSize = function(remoteIsFirefox) {\n    // Every implementation we know can send at least 64 KiB.\n    // Note: Although Chrome is technically able to send up to 256 KiB, the\n    //       data does not reach the other peer reliably.\n    //       See: https://bugs.chromium.org/p/webrtc/issues/detail?id=8419\n    let canSendMaxMessageSize = 65536;\n    if (browserDetails.browser === 'firefox') {\n      if (browserDetails.version < 57) {\n        if (remoteIsFirefox === -1) {\n          // FF < 57 will send in 16 KiB chunks using the deprecated PPID\n          // fragmentation.\n          canSendMaxMessageSize = 16384;\n        } else {\n          // However, other FF (and RAWRTC) can reassemble PPID-fragmented\n          // messages. Thus, supporting ~2 GiB when sending.\n          canSendMaxMessageSize = 2147483637;\n        }\n      } else if (browserDetails.version < 60) {\n        // Currently, all FF >= 57 will reset the remote maximum message size\n        // to the default value when a data channel is created at a later\n        // stage. :(\n        // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831\n        canSendMaxMessageSize =\n          browserDetails.version === 57 ? 65535 : 65536;\n      } else {\n        // FF >= 60 supports sending ~2 GiB\n        canSendMaxMessageSize = 2147483637;\n      }\n    }\n    return canSendMaxMessageSize;\n  };\n\n  const getMaxMessageSize = function(description, remoteIsFirefox) {\n    // Note: 65536 bytes is the default value from the SDP spec. Also,\n    //       every implementation we know supports receiving 65536 bytes.\n    let maxMessageSize = 65536;\n\n    // FF 57 has a slightly incorrect default remote max message size, so\n    // we need to adjust it here to avoid a failure when sending.\n    // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1425697\n    if (browserDetails.browser === 'firefox'\n         && browserDetails.version === 57) {\n      maxMessageSize = 65535;\n    }\n\n    const match = SDPUtils.matchPrefix(description.sdp,\n      'a=max-message-size:');\n    if (match.length > 0) {\n      maxMessageSize = parseInt(match[0].substring(19), 10);\n    } else if (browserDetails.browser === 'firefox' &&\n                remoteIsFirefox !== -1) {\n      // If the maximum message size is not present in the remote SDP and\n      // both local and remote are Firefox, the remote peer can receive\n      // ~2 GiB.\n      maxMessageSize = 2147483637;\n    }\n    return maxMessageSize;\n  };\n\n  const origSetRemoteDescription =\n      window.RTCPeerConnection.prototype.setRemoteDescription;\n  window.RTCPeerConnection.prototype.setRemoteDescription =\n    function setRemoteDescription() {\n      this._sctp = null;\n      // Chrome decided to not expose .sctp in plan-b mode.\n      // As usual, adapter.js has to do an 'ugly worakaround'\n      // to cover up the mess.\n      if (browserDetails.browser === 'chrome' && browserDetails.version >= 76) {\n        const {sdpSemantics} = this.getConfiguration();\n        if (sdpSemantics === 'plan-b') {\n          Object.defineProperty(this, 'sctp', {\n            get() {\n              return typeof this._sctp === 'undefined' ? null : this._sctp;\n            },\n            enumerable: true,\n            configurable: true,\n          });\n        }\n      }\n\n      if (sctpInDescription(arguments[0])) {\n        // Check if the remote is FF.\n        const isFirefox = getRemoteFirefoxVersion(arguments[0]);\n\n        // Get the maximum message size the local peer is capable of sending\n        const canSendMMS = getCanSendMaxMessageSize(isFirefox);\n\n        // Get the maximum message size of the remote peer.\n        const remoteMMS = getMaxMessageSize(arguments[0], isFirefox);\n\n        // Determine final maximum message size\n        let maxMessageSize;\n        if (canSendMMS === 0 && remoteMMS === 0) {\n          maxMessageSize = Number.POSITIVE_INFINITY;\n        } else if (canSendMMS === 0 || remoteMMS === 0) {\n          maxMessageSize = Math.max(canSendMMS, remoteMMS);\n        } else {\n          maxMessageSize = Math.min(canSendMMS, remoteMMS);\n        }\n\n        // Create a dummy RTCSctpTransport object and the 'maxMessageSize'\n        // attribute.\n        const sctp = {};\n        Object.defineProperty(sctp, 'maxMessageSize', {\n          get() {\n            return maxMessageSize;\n          }\n        });\n        this._sctp = sctp;\n      }\n\n      return origSetRemoteDescription.apply(this, arguments);\n    };\n}\n\nexport function shimSendThrowTypeError(window) {\n  if (!(window.RTCPeerConnection &&\n      'createDataChannel' in window.RTCPeerConnection.prototype)) {\n    return;\n  }\n\n  // Note: Although Firefox >= 57 has a native implementation, the maximum\n  //       message size can be reset for all data channels at a later stage.\n  //       See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831\n\n  function wrapDcSend(dc, pc) {\n    const origDataChannelSend = dc.send;\n    dc.send = function send() {\n      const data = arguments[0];\n      const length = data.length || data.size || data.byteLength;\n      if (dc.readyState === 'open' &&\n          pc.sctp && length > pc.sctp.maxMessageSize) {\n        throw new TypeError('Message too large (can send a maximum of ' +\n          pc.sctp.maxMessageSize + ' bytes)');\n      }\n      return origDataChannelSend.apply(dc, arguments);\n    };\n  }\n  const origCreateDataChannel =\n    window.RTCPeerConnection.prototype.createDataChannel;\n  window.RTCPeerConnection.prototype.createDataChannel =\n    function createDataChannel() {\n      const dataChannel = origCreateDataChannel.apply(this, arguments);\n      wrapDcSend(dataChannel, this);\n      return dataChannel;\n    };\n  utils.wrapPeerConnectionEvent(window, 'datachannel', e => {\n    wrapDcSend(e.channel, e.target);\n    return e;\n  });\n}\n\n\n/* shims RTCConnectionState by pretending it is the same as iceConnectionState.\n * See https://bugs.chromium.org/p/webrtc/issues/detail?id=6145#c12\n * for why this is a valid hack in Chrome. In Firefox it is slightly incorrect\n * since DTLS failures would be hidden. See\n * https://bugzilla.mozilla.org/show_bug.cgi?id=1265827\n * for the Firefox tracking bug.\n */\nexport function shimConnectionState(window) {\n  if (!window.RTCPeerConnection ||\n      'connectionState' in window.RTCPeerConnection.prototype) {\n    return;\n  }\n  const proto = window.RTCPeerConnection.prototype;\n  Object.defineProperty(proto, 'connectionState', {\n    get() {\n      return {\n        completed: 'connected',\n        checking: 'connecting'\n      }[this.iceConnectionState] || this.iceConnectionState;\n    },\n    enumerable: true,\n    configurable: true\n  });\n  Object.defineProperty(proto, 'onconnectionstatechange', {\n    get() {\n      return this._onconnectionstatechange || null;\n    },\n    set(cb) {\n      if (this._onconnectionstatechange) {\n        this.removeEventListener('connectionstatechange',\n          this._onconnectionstatechange);\n        delete this._onconnectionstatechange;\n      }\n      if (cb) {\n        this.addEventListener('connectionstatechange',\n          this._onconnectionstatechange = cb);\n      }\n    },\n    enumerable: true,\n    configurable: true\n  });\n\n  ['setLocalDescription', 'setRemoteDescription'].forEach((method) => {\n    const origMethod = proto[method];\n    proto[method] = function() {\n      if (!this._connectionstatechangepoly) {\n        this._connectionstatechangepoly = e => {\n          const pc = e.target;\n          if (pc._lastConnectionState !== pc.connectionState) {\n            pc._lastConnectionState = pc.connectionState;\n            const newEvent = new Event('connectionstatechange', e);\n            pc.dispatchEvent(newEvent);\n          }\n          return e;\n        };\n        this.addEventListener('iceconnectionstatechange',\n          this._connectionstatechangepoly);\n      }\n      return origMethod.apply(this, arguments);\n    };\n  });\n}\n\nexport function removeExtmapAllowMixed(window, browserDetails) {\n  /* remove a=extmap-allow-mixed for webrtc.org < M71 */\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n  if (browserDetails.browser === 'chrome' && browserDetails.version >= 71) {\n    return;\n  }\n  if (browserDetails.browser === 'safari' && browserDetails.version >= 605) {\n    return;\n  }\n  const nativeSRD = window.RTCPeerConnection.prototype.setRemoteDescription;\n  window.RTCPeerConnection.prototype.setRemoteDescription =\n  function setRemoteDescription(desc) {\n    if (desc && desc.sdp && desc.sdp.indexOf('\\na=extmap-allow-mixed') !== -1) {\n      const sdp = desc.sdp.split('\\n').filter((line) => {\n        return line.trim() !== 'a=extmap-allow-mixed';\n      }).join('\\n');\n      // Safari enforces read-only-ness of RTCSessionDescription fields.\n      if (window.RTCSessionDescription &&\n          desc instanceof window.RTCSessionDescription) {\n        arguments[0] = new window.RTCSessionDescription({\n          type: desc.type,\n          sdp,\n        });\n      } else {\n        desc.sdp = sdp;\n      }\n    }\n    return nativeSRD.apply(this, arguments);\n  };\n}\n\nexport function shimAddIceCandidateNullOrEmpty(window, browserDetails) {\n  // Support for addIceCandidate(null or undefined)\n  // as well as addIceCandidate({candidate: \"\", ...})\n  // https://bugs.chromium.org/p/chromium/issues/detail?id=978582\n  // Note: must be called before other polyfills which change the signature.\n  if (!(window.RTCPeerConnection && window.RTCPeerConnection.prototype)) {\n    return;\n  }\n  const nativeAddIceCandidate =\n      window.RTCPeerConnection.prototype.addIceCandidate;\n  if (!nativeAddIceCandidate || nativeAddIceCandidate.length === 0) {\n    return;\n  }\n  window.RTCPeerConnection.prototype.addIceCandidate =\n    function addIceCandidate() {\n      if (!arguments[0]) {\n        if (arguments[1]) {\n          arguments[1].apply(null);\n        }\n        return Promise.resolve();\n      }\n      // Firefox 68+ emits and processes {candidate: \"\", ...}, ignore\n      // in older versions.\n      // Native support for ignoring exists for Chrome M77+.\n      // Safari ignores as well, exact version unknown but works in the same\n      // version that also ignores addIceCandidate(null).\n      if (((browserDetails.browser === 'chrome' && browserDetails.version < 78)\n           || (browserDetails.browser === 'firefox'\n               && browserDetails.version < 68)\n           || (browserDetails.browser === 'safari'))\n          && arguments[0] && arguments[0].candidate === '') {\n        return Promise.resolve();\n      }\n      return nativeAddIceCandidate.apply(this, arguments);\n    };\n}\n\n// Note: Make sure to call this ahead of APIs that modify\n// setLocalDescription.length\nexport function shimParameterlessSetLocalDescription(window, browserDetails) {\n  if (!(window.RTCPeerConnection && window.RTCPeerConnection.prototype)) {\n    return;\n  }\n  const nativeSetLocalDescription =\n      window.RTCPeerConnection.prototype.setLocalDescription;\n  if (!nativeSetLocalDescription || nativeSetLocalDescription.length === 0) {\n    return;\n  }\n  window.RTCPeerConnection.prototype.setLocalDescription =\n    function setLocalDescription() {\n      let desc = arguments[0] || {};\n      if (typeof desc !== 'object' || (desc.type && desc.sdp)) {\n        return nativeSetLocalDescription.apply(this, arguments);\n      }\n      // The remaining steps should technically happen when SLD comes off the\n      // RTCPeerConnection's operations chain (not ahead of going on it), but\n      // this is too difficult to shim. Instead, this shim only covers the\n      // common case where the operations chain is empty. This is imperfect, but\n      // should cover many cases. Rationale: Even if we can't reduce the glare\n      // window to zero on imperfect implementations, there's value in tapping\n      // into the perfect negotiation pattern that several browsers support.\n      desc = {type: desc.type, sdp: desc.sdp};\n      if (!desc.type) {\n        switch (this.signalingState) {\n          case 'stable':\n          case 'have-local-offer':\n          case 'have-remote-pranswer':\n            desc.type = 'offer';\n            break;\n          default:\n            desc.type = 'answer';\n            break;\n        }\n      }\n      if (desc.sdp || (desc.type !== 'offer' && desc.type !== 'answer')) {\n        return nativeSetLocalDescription.apply(this, [desc]);\n      }\n      const func = desc.type === 'offer' ? this.createOffer : this.createAnswer;\n      return func.apply(this)\n        .then(d => nativeSetLocalDescription.apply(this, [d]));\n    };\n}\n","/* eslint-env node */\n'use strict';\n\n// SDP helpers.\nconst SDPUtils = {};\n\n// Generate an alphanumeric identifier for cname or mids.\n// TODO: use UUIDs instead? https://gist.github.com/jed/982883\nSDPUtils.generateIdentifier = function() {\n  return Math.random().toString(36).substring(2, 12);\n};\n\n// The RTCP CNAME used by all peerconnections from the same JS.\nSDPUtils.localCName = SDPUtils.generateIdentifier();\n\n// Splits SDP into lines, dealing with both CRLF and LF.\nSDPUtils.splitLines = function(blob) {\n  return blob.trim().split('\\n').map(line => line.trim());\n};\n// Splits SDP into sessionpart and mediasections. Ensures CRLF.\nSDPUtils.splitSections = function(blob) {\n  const parts = blob.split('\\nm=');\n  return parts.map((part, index) => (index > 0 ?\n    'm=' + part : part).trim() + '\\r\\n');\n};\n\n// Returns the session description.\nSDPUtils.getDescription = function(blob) {\n  const sections = SDPUtils.splitSections(blob);\n  return sections && sections[0];\n};\n\n// Returns the individual media sections.\nSDPUtils.getMediaSections = function(blob) {\n  const sections = SDPUtils.splitSections(blob);\n  sections.shift();\n  return sections;\n};\n\n// Returns lines that start with a certain prefix.\nSDPUtils.matchPrefix = function(blob, prefix) {\n  return SDPUtils.splitLines(blob).filter(line => line.indexOf(prefix) === 0);\n};\n\n// Parses an ICE candidate line. Sample input:\n// candidate:702786350 2 udp 41819902 8.8.8.8 60769 typ relay raddr 8.8.8.8\n// rport 55996\"\n// Input can be prefixed with a=.\nSDPUtils.parseCandidate = function(line) {\n  let parts;\n  // Parse both variants.\n  if (line.indexOf('a=candidate:') === 0) {\n    parts = line.substring(12).split(' ');\n  } else {\n    parts = line.substring(10).split(' ');\n  }\n\n  const candidate = {\n    foundation: parts[0],\n    component: {1: 'rtp', 2: 'rtcp'}[parts[1]] || parts[1],\n    protocol: parts[2].toLowerCase(),\n    priority: parseInt(parts[3], 10),\n    ip: parts[4],\n    address: parts[4], // address is an alias for ip.\n    port: parseInt(parts[5], 10),\n    // skip parts[6] == 'typ'\n    type: parts[7],\n  };\n\n  for (let i = 8; i < parts.length; i += 2) {\n    switch (parts[i]) {\n      case 'raddr':\n        candidate.relatedAddress = parts[i + 1];\n        break;\n      case 'rport':\n        candidate.relatedPort = parseInt(parts[i + 1], 10);\n        break;\n      case 'tcptype':\n        candidate.tcpType = parts[i + 1];\n        break;\n      case 'ufrag':\n        candidate.ufrag = parts[i + 1]; // for backward compatibility.\n        candidate.usernameFragment = parts[i + 1];\n        break;\n      default: // extension handling, in particular ufrag. Don't overwrite.\n        if (candidate[parts[i]] === undefined) {\n          candidate[parts[i]] = parts[i + 1];\n        }\n        break;\n    }\n  }\n  return candidate;\n};\n\n// Translates a candidate object into SDP candidate attribute.\n// This does not include the a= prefix!\nSDPUtils.writeCandidate = function(candidate) {\n  const sdp = [];\n  sdp.push(candidate.foundation);\n\n  const component = candidate.component;\n  if (component === 'rtp') {\n    sdp.push(1);\n  } else if (component === 'rtcp') {\n    sdp.push(2);\n  } else {\n    sdp.push(component);\n  }\n  sdp.push(candidate.protocol.toUpperCase());\n  sdp.push(candidate.priority);\n  sdp.push(candidate.address || candidate.ip);\n  sdp.push(candidate.port);\n\n  const type = candidate.type;\n  sdp.push('typ');\n  sdp.push(type);\n  if (type !== 'host' && candidate.relatedAddress &&\n      candidate.relatedPort) {\n    sdp.push('raddr');\n    sdp.push(candidate.relatedAddress);\n    sdp.push('rport');\n    sdp.push(candidate.relatedPort);\n  }\n  if (candidate.tcpType && candidate.protocol.toLowerCase() === 'tcp') {\n    sdp.push('tcptype');\n    sdp.push(candidate.tcpType);\n  }\n  if (candidate.usernameFragment || candidate.ufrag) {\n    sdp.push('ufrag');\n    sdp.push(candidate.usernameFragment || candidate.ufrag);\n  }\n  return 'candidate:' + sdp.join(' ');\n};\n\n// Parses an ice-options line, returns an array of option tags.\n// Sample input:\n// a=ice-options:foo bar\nSDPUtils.parseIceOptions = function(line) {\n  return line.substring(14).split(' ');\n};\n\n// Parses a rtpmap line, returns RTCRtpCoddecParameters. Sample input:\n// a=rtpmap:111 opus/48000/2\nSDPUtils.parseRtpMap = function(line) {\n  let parts = line.substring(9).split(' ');\n  const parsed = {\n    payloadType: parseInt(parts.shift(), 10), // was: id\n  };\n\n  parts = parts[0].split('/');\n\n  parsed.name = parts[0];\n  parsed.clockRate = parseInt(parts[1], 10); // was: clockrate\n  parsed.channels = parts.length === 3 ? parseInt(parts[2], 10) : 1;\n  // legacy alias, got renamed back to channels in ORTC.\n  parsed.numChannels = parsed.channels;\n  return parsed;\n};\n\n// Generates a rtpmap line from RTCRtpCodecCapability or\n// RTCRtpCodecParameters.\nSDPUtils.writeRtpMap = function(codec) {\n  let pt = codec.payloadType;\n  if (codec.preferredPayloadType !== undefined) {\n    pt = codec.preferredPayloadType;\n  }\n  const channels = codec.channels || codec.numChannels || 1;\n  return 'a=rtpmap:' + pt + ' ' + codec.name + '/' + codec.clockRate +\n      (channels !== 1 ? '/' + channels : '') + '\\r\\n';\n};\n\n// Parses a extmap line (headerextension from RFC 5285). Sample input:\n// a=extmap:2 urn:ietf:params:rtp-hdrext:toffset\n// a=extmap:2/sendonly urn:ietf:params:rtp-hdrext:toffset\nSDPUtils.parseExtmap = function(line) {\n  const parts = line.substring(9).split(' ');\n  return {\n    id: parseInt(parts[0], 10),\n    direction: parts[0].indexOf('/') > 0 ? parts[0].split('/')[1] : 'sendrecv',\n    uri: parts[1],\n    attributes: parts.slice(2).join(' '),\n  };\n};\n\n// Generates an extmap line from RTCRtpHeaderExtensionParameters or\n// RTCRtpHeaderExtension.\nSDPUtils.writeExtmap = function(headerExtension) {\n  return 'a=extmap:' + (headerExtension.id || headerExtension.preferredId) +\n      (headerExtension.direction && headerExtension.direction !== 'sendrecv'\n        ? '/' + headerExtension.direction\n        : '') +\n      ' ' + headerExtension.uri +\n      (headerExtension.attributes ? ' ' + headerExtension.attributes : '') +\n      '\\r\\n';\n};\n\n// Parses a fmtp line, returns dictionary. Sample input:\n// a=fmtp:96 vbr=on;cng=on\n// Also deals with vbr=on; cng=on\nSDPUtils.parseFmtp = function(line) {\n  const parsed = {};\n  let kv;\n  const parts = line.substring(line.indexOf(' ') + 1).split(';');\n  for (let j = 0; j < parts.length; j++) {\n    kv = parts[j].trim().split('=');\n    parsed[kv[0].trim()] = kv[1];\n  }\n  return parsed;\n};\n\n// Generates a fmtp line from RTCRtpCodecCapability or RTCRtpCodecParameters.\nSDPUtils.writeFmtp = function(codec) {\n  let line = '';\n  let pt = codec.payloadType;\n  if (codec.preferredPayloadType !== undefined) {\n    pt = codec.preferredPayloadType;\n  }\n  if (codec.parameters && Object.keys(codec.parameters).length) {\n    const params = [];\n    Object.keys(codec.parameters).forEach(param => {\n      if (codec.parameters[param] !== undefined) {\n        params.push(param + '=' + codec.parameters[param]);\n      } else {\n        params.push(param);\n      }\n    });\n    line += 'a=fmtp:' + pt + ' ' + params.join(';') + '\\r\\n';\n  }\n  return line;\n};\n\n// Parses a rtcp-fb line, returns RTCPRtcpFeedback object. Sample input:\n// a=rtcp-fb:98 nack rpsi\nSDPUtils.parseRtcpFb = function(line) {\n  const parts = line.substring(line.indexOf(' ') + 1).split(' ');\n  return {\n    type: parts.shift(),\n    parameter: parts.join(' '),\n  };\n};\n\n// Generate a=rtcp-fb lines from RTCRtpCodecCapability or RTCRtpCodecParameters.\nSDPUtils.writeRtcpFb = function(codec) {\n  let lines = '';\n  let pt = codec.payloadType;\n  if (codec.preferredPayloadType !== undefined) {\n    pt = codec.preferredPayloadType;\n  }\n  if (codec.rtcpFeedback && codec.rtcpFeedback.length) {\n    // FIXME: special handling for trr-int?\n    codec.rtcpFeedback.forEach(fb => {\n      lines += 'a=rtcp-fb:' + pt + ' ' + fb.type +\n      (fb.parameter && fb.parameter.length ? ' ' + fb.parameter : '') +\n          '\\r\\n';\n    });\n  }\n  return lines;\n};\n\n// Parses a RFC 5576 ssrc media attribute. Sample input:\n// a=ssrc:3735928559 cname:something\nSDPUtils.parseSsrcMedia = function(line) {\n  const sp = line.indexOf(' ');\n  const parts = {\n    ssrc: parseInt(line.substring(7, sp), 10),\n  };\n  const colon = line.indexOf(':', sp);\n  if (colon > -1) {\n    parts.attribute = line.substring(sp + 1, colon);\n    parts.value = line.substring(colon + 1);\n  } else {\n    parts.attribute = line.substring(sp + 1);\n  }\n  return parts;\n};\n\n// Parse a ssrc-group line (see RFC 5576). Sample input:\n// a=ssrc-group:semantics 12 34\nSDPUtils.parseSsrcGroup = function(line) {\n  const parts = line.substring(13).split(' ');\n  return {\n    semantics: parts.shift(),\n    ssrcs: parts.map(ssrc => parseInt(ssrc, 10)),\n  };\n};\n\n// Extracts the MID (RFC 5888) from a media section.\n// Returns the MID or undefined if no mid line was found.\nSDPUtils.getMid = function(mediaSection) {\n  const mid = SDPUtils.matchPrefix(mediaSection, 'a=mid:')[0];\n  if (mid) {\n    return mid.substring(6);\n  }\n};\n\n// Parses a fingerprint line for DTLS-SRTP.\nSDPUtils.parseFingerprint = function(line) {\n  const parts = line.substring(14).split(' ');\n  return {\n    algorithm: parts[0].toLowerCase(), // algorithm is case-sensitive in Edge.\n    value: parts[1].toUpperCase(), // the definition is upper-case in RFC 4572.\n  };\n};\n\n// Extracts DTLS parameters from SDP media section or sessionpart.\n// FIXME: for consistency with other functions this should only\n//   get the fingerprint line as input. See also getIceParameters.\nSDPUtils.getDtlsParameters = function(mediaSection, sessionpart) {\n  const lines = SDPUtils.matchPrefix(mediaSection + sessionpart,\n    'a=fingerprint:');\n  // Note: a=setup line is ignored since we use the 'auto' role in Edge.\n  return {\n    role: 'auto',\n    fingerprints: lines.map(SDPUtils.parseFingerprint),\n  };\n};\n\n// Serializes DTLS parameters to SDP.\nSDPUtils.writeDtlsParameters = function(params, setupType) {\n  let sdp = 'a=setup:' + setupType + '\\r\\n';\n  params.fingerprints.forEach(fp => {\n    sdp += 'a=fingerprint:' + fp.algorithm + ' ' + fp.value + '\\r\\n';\n  });\n  return sdp;\n};\n\n// Parses a=crypto lines into\n//   https://rawgit.com/aboba/edgertc/master/msortc-rs4.html#dictionary-rtcsrtpsdesparameters-members\nSDPUtils.parseCryptoLine = function(line) {\n  const parts = line.substring(9).split(' ');\n  return {\n    tag: parseInt(parts[0], 10),\n    cryptoSuite: parts[1],\n    keyParams: parts[2],\n    sessionParams: parts.slice(3),\n  };\n};\n\nSDPUtils.writeCryptoLine = function(parameters) {\n  return 'a=crypto:' + parameters.tag + ' ' +\n    parameters.cryptoSuite + ' ' +\n    (typeof parameters.keyParams === 'object'\n      ? SDPUtils.writeCryptoKeyParams(parameters.keyParams)\n      : parameters.keyParams) +\n    (parameters.sessionParams ? ' ' + parameters.sessionParams.join(' ') : '') +\n    '\\r\\n';\n};\n\n// Parses the crypto key parameters into\n//   https://rawgit.com/aboba/edgertc/master/msortc-rs4.html#rtcsrtpkeyparam*\nSDPUtils.parseCryptoKeyParams = function(keyParams) {\n  if (keyParams.indexOf('inline:') !== 0) {\n    return null;\n  }\n  const parts = keyParams.substring(7).split('|');\n  return {\n    keyMethod: 'inline',\n    keySalt: parts[0],\n    lifeTime: parts[1],\n    mkiValue: parts[2] ? parts[2].split(':')[0] : undefined,\n    mkiLength: parts[2] ? parts[2].split(':')[1] : undefined,\n  };\n};\n\nSDPUtils.writeCryptoKeyParams = function(keyParams) {\n  return keyParams.keyMethod + ':'\n    + keyParams.keySalt +\n    (keyParams.lifeTime ? '|' + keyParams.lifeTime : '') +\n    (keyParams.mkiValue && keyParams.mkiLength\n      ? '|' + keyParams.mkiValue + ':' + keyParams.mkiLength\n      : '');\n};\n\n// Extracts all SDES parameters.\nSDPUtils.getCryptoParameters = function(mediaSection, sessionpart) {\n  const lines = SDPUtils.matchPrefix(mediaSection + sessionpart,\n    'a=crypto:');\n  return lines.map(SDPUtils.parseCryptoLine);\n};\n\n// Parses ICE information from SDP media section or sessionpart.\n// FIXME: for consistency with other functions this should only\n//   get the ice-ufrag and ice-pwd lines as input.\nSDPUtils.getIceParameters = function(mediaSection, sessionpart) {\n  const ufrag = SDPUtils.matchPrefix(mediaSection + sessionpart,\n    'a=ice-ufrag:')[0];\n  const pwd = SDPUtils.matchPrefix(mediaSection + sessionpart,\n    'a=ice-pwd:')[0];\n  if (!(ufrag && pwd)) {\n    return null;\n  }\n  return {\n    usernameFragment: ufrag.substring(12),\n    password: pwd.substring(10),\n  };\n};\n\n// Serializes ICE parameters to SDP.\nSDPUtils.writeIceParameters = function(params) {\n  let sdp = 'a=ice-ufrag:' + params.usernameFragment + '\\r\\n' +\n      'a=ice-pwd:' + params.password + '\\r\\n';\n  if (params.iceLite) {\n    sdp += 'a=ice-lite\\r\\n';\n  }\n  return sdp;\n};\n\n// Parses the SDP media section and returns RTCRtpParameters.\nSDPUtils.parseRtpParameters = function(mediaSection) {\n  const description = {\n    codecs: [],\n    headerExtensions: [],\n    fecMechanisms: [],\n    rtcp: [],\n  };\n  const lines = SDPUtils.splitLines(mediaSection);\n  const mline = lines[0].split(' ');\n  description.profile = mline[2];\n  for (let i = 3; i < mline.length; i++) { // find all codecs from mline[3..]\n    const pt = mline[i];\n    const rtpmapline = SDPUtils.matchPrefix(\n      mediaSection, 'a=rtpmap:' + pt + ' ')[0];\n    if (rtpmapline) {\n      const codec = SDPUtils.parseRtpMap(rtpmapline);\n      const fmtps = SDPUtils.matchPrefix(\n        mediaSection, 'a=fmtp:' + pt + ' ');\n      // Only the first a=fmtp:<pt> is considered.\n      codec.parameters = fmtps.length ? SDPUtils.parseFmtp(fmtps[0]) : {};\n      codec.rtcpFeedback = SDPUtils.matchPrefix(\n        mediaSection, 'a=rtcp-fb:' + pt + ' ')\n        .map(SDPUtils.parseRtcpFb);\n      description.codecs.push(codec);\n      // parse FEC mechanisms from rtpmap lines.\n      switch (codec.name.toUpperCase()) {\n        case 'RED':\n        case 'ULPFEC':\n          description.fecMechanisms.push(codec.name.toUpperCase());\n          break;\n        default: // only RED and ULPFEC are recognized as FEC mechanisms.\n          break;\n      }\n    }\n  }\n  SDPUtils.matchPrefix(mediaSection, 'a=extmap:').forEach(line => {\n    description.headerExtensions.push(SDPUtils.parseExtmap(line));\n  });\n  const wildcardRtcpFb = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-fb:* ')\n    .map(SDPUtils.parseRtcpFb);\n  description.codecs.forEach(codec => {\n    wildcardRtcpFb.forEach(fb=> {\n      const duplicate = codec.rtcpFeedback.find(existingFeedback => {\n        return existingFeedback.type === fb.type &&\n          existingFeedback.parameter === fb.parameter;\n      });\n      if (!duplicate) {\n        codec.rtcpFeedback.push(fb);\n      }\n    });\n  });\n  // FIXME: parse rtcp.\n  return description;\n};\n\n// Generates parts of the SDP media section describing the capabilities /\n// parameters.\nSDPUtils.writeRtpDescription = function(kind, caps) {\n  let sdp = '';\n\n  // Build the mline.\n  sdp += 'm=' + kind + ' ';\n  sdp += caps.codecs.length > 0 ? '9' : '0'; // reject if no codecs.\n  sdp += ' ' + (caps.profile || 'UDP/TLS/RTP/SAVPF') + ' ';\n  sdp += caps.codecs.map(codec => {\n    if (codec.preferredPayloadType !== undefined) {\n      return codec.preferredPayloadType;\n    }\n    return codec.payloadType;\n  }).join(' ') + '\\r\\n';\n\n  sdp += 'c=IN IP4 0.0.0.0\\r\\n';\n  sdp += 'a=rtcp:9 IN IP4 0.0.0.0\\r\\n';\n\n  // Add a=rtpmap lines for each codec. Also fmtp and rtcp-fb.\n  caps.codecs.forEach(codec => {\n    sdp += SDPUtils.writeRtpMap(codec);\n    sdp += SDPUtils.writeFmtp(codec);\n    sdp += SDPUtils.writeRtcpFb(codec);\n  });\n  let maxptime = 0;\n  caps.codecs.forEach(codec => {\n    if (codec.maxptime > maxptime) {\n      maxptime = codec.maxptime;\n    }\n  });\n  if (maxptime > 0) {\n    sdp += 'a=maxptime:' + maxptime + '\\r\\n';\n  }\n\n  if (caps.headerExtensions) {\n    caps.headerExtensions.forEach(extension => {\n      sdp += SDPUtils.writeExtmap(extension);\n    });\n  }\n  // FIXME: write fecMechanisms.\n  return sdp;\n};\n\n// Parses the SDP media section and returns an array of\n// RTCRtpEncodingParameters.\nSDPUtils.parseRtpEncodingParameters = function(mediaSection) {\n  const encodingParameters = [];\n  const description = SDPUtils.parseRtpParameters(mediaSection);\n  const hasRed = description.fecMechanisms.indexOf('RED') !== -1;\n  const hasUlpfec = description.fecMechanisms.indexOf('ULPFEC') !== -1;\n\n  // filter a=ssrc:... cname:, ignore PlanB-msid\n  const ssrcs = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')\n    .map(line => SDPUtils.parseSsrcMedia(line))\n    .filter(parts => parts.attribute === 'cname');\n  const primarySsrc = ssrcs.length > 0 && ssrcs[0].ssrc;\n  let secondarySsrc;\n\n  const flows = SDPUtils.matchPrefix(mediaSection, 'a=ssrc-group:FID')\n    .map(line => {\n      const parts = line.substring(17).split(' ');\n      return parts.map(part => parseInt(part, 10));\n    });\n  if (flows.length > 0 && flows[0].length > 1 && flows[0][0] === primarySsrc) {\n    secondarySsrc = flows[0][1];\n  }\n\n  description.codecs.forEach(codec => {\n    if (codec.name.toUpperCase() === 'RTX' && codec.parameters.apt) {\n      let encParam = {\n        ssrc: primarySsrc,\n        codecPayloadType: parseInt(codec.parameters.apt, 10),\n      };\n      if (primarySsrc && secondarySsrc) {\n        encParam.rtx = {ssrc: secondarySsrc};\n      }\n      encodingParameters.push(encParam);\n      if (hasRed) {\n        encParam = JSON.parse(JSON.stringify(encParam));\n        encParam.fec = {\n          ssrc: primarySsrc,\n          mechanism: hasUlpfec ? 'red+ulpfec' : 'red',\n        };\n        encodingParameters.push(encParam);\n      }\n    }\n  });\n  if (encodingParameters.length === 0 && primarySsrc) {\n    encodingParameters.push({\n      ssrc: primarySsrc,\n    });\n  }\n\n  // we support both b=AS and b=TIAS but interpret AS as TIAS.\n  let bandwidth = SDPUtils.matchPrefix(mediaSection, 'b=');\n  if (bandwidth.length) {\n    if (bandwidth[0].indexOf('b=TIAS:') === 0) {\n      bandwidth = parseInt(bandwidth[0].substring(7), 10);\n    } else if (bandwidth[0].indexOf('b=AS:') === 0) {\n      // use formula from JSEP to convert b=AS to TIAS value.\n      bandwidth = parseInt(bandwidth[0].substring(5), 10) * 1000 * 0.95\n          - (50 * 40 * 8);\n    } else {\n      bandwidth = undefined;\n    }\n    encodingParameters.forEach(params => {\n      params.maxBitrate = bandwidth;\n    });\n  }\n  return encodingParameters;\n};\n\n// parses http://draft.ortc.org/#rtcrtcpparameters*\nSDPUtils.parseRtcpParameters = function(mediaSection) {\n  const rtcpParameters = {};\n\n  // Gets the first SSRC. Note that with RTX there might be multiple\n  // SSRCs.\n  const remoteSsrc = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')\n    .map(line => SDPUtils.parseSsrcMedia(line))\n    .filter(obj => obj.attribute === 'cname')[0];\n  if (remoteSsrc) {\n    rtcpParameters.cname = remoteSsrc.value;\n    rtcpParameters.ssrc = remoteSsrc.ssrc;\n  }\n\n  // Edge uses the compound attribute instead of reducedSize\n  // compound is !reducedSize\n  const rsize = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-rsize');\n  rtcpParameters.reducedSize = rsize.length > 0;\n  rtcpParameters.compound = rsize.length === 0;\n\n  // parses the rtcp-mux attrіbute.\n  // Note that Edge does not support unmuxed RTCP.\n  const mux = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-mux');\n  rtcpParameters.mux = mux.length > 0;\n\n  return rtcpParameters;\n};\n\nSDPUtils.writeRtcpParameters = function(rtcpParameters) {\n  let sdp = '';\n  if (rtcpParameters.reducedSize) {\n    sdp += 'a=rtcp-rsize\\r\\n';\n  }\n  if (rtcpParameters.mux) {\n    sdp += 'a=rtcp-mux\\r\\n';\n  }\n  if (rtcpParameters.ssrc !== undefined && rtcpParameters.cname) {\n    sdp += 'a=ssrc:' + rtcpParameters.ssrc +\n      ' cname:' + rtcpParameters.cname + '\\r\\n';\n  }\n  return sdp;\n};\n\n\n// parses either a=msid: or a=ssrc:... msid lines and returns\n// the id of the MediaStream and MediaStreamTrack.\nSDPUtils.parseMsid = function(mediaSection) {\n  let parts;\n  const spec = SDPUtils.matchPrefix(mediaSection, 'a=msid:');\n  if (spec.length === 1) {\n    parts = spec[0].substring(7).split(' ');\n    return {stream: parts[0], track: parts[1]};\n  }\n  const planB = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')\n    .map(line => SDPUtils.parseSsrcMedia(line))\n    .filter(msidParts => msidParts.attribute === 'msid');\n  if (planB.length > 0) {\n    parts = planB[0].value.split(' ');\n    return {stream: parts[0], track: parts[1]};\n  }\n};\n\n// SCTP\n// parses draft-ietf-mmusic-sctp-sdp-26 first and falls back\n// to draft-ietf-mmusic-sctp-sdp-05\nSDPUtils.parseSctpDescription = function(mediaSection) {\n  const mline = SDPUtils.parseMLine(mediaSection);\n  const maxSizeLine = SDPUtils.matchPrefix(mediaSection, 'a=max-message-size:');\n  let maxMessageSize;\n  if (maxSizeLine.length > 0) {\n    maxMessageSize = parseInt(maxSizeLine[0].substring(19), 10);\n  }\n  if (isNaN(maxMessageSize)) {\n    maxMessageSize = 65536;\n  }\n  const sctpPort = SDPUtils.matchPrefix(mediaSection, 'a=sctp-port:');\n  if (sctpPort.length > 0) {\n    return {\n      port: parseInt(sctpPort[0].substring(12), 10),\n      protocol: mline.fmt,\n      maxMessageSize,\n    };\n  }\n  const sctpMapLines = SDPUtils.matchPrefix(mediaSection, 'a=sctpmap:');\n  if (sctpMapLines.length > 0) {\n    const parts = sctpMapLines[0]\n      .substring(10)\n      .split(' ');\n    return {\n      port: parseInt(parts[0], 10),\n      protocol: parts[1],\n      maxMessageSize,\n    };\n  }\n};\n\n// SCTP\n// outputs the draft-ietf-mmusic-sctp-sdp-26 version that all browsers\n// support by now receiving in this format, unless we originally parsed\n// as the draft-ietf-mmusic-sctp-sdp-05 format (indicated by the m-line\n// protocol of DTLS/SCTP -- without UDP/ or TCP/)\nSDPUtils.writeSctpDescription = function(media, sctp) {\n  let output = [];\n  if (media.protocol !== 'DTLS/SCTP') {\n    output = [\n      'm=' + media.kind + ' 9 ' + media.protocol + ' ' + sctp.protocol + '\\r\\n',\n      'c=IN IP4 0.0.0.0\\r\\n',\n      'a=sctp-port:' + sctp.port + '\\r\\n',\n    ];\n  } else {\n    output = [\n      'm=' + media.kind + ' 9 ' + media.protocol + ' ' + sctp.port + '\\r\\n',\n      'c=IN IP4 0.0.0.0\\r\\n',\n      'a=sctpmap:' + sctp.port + ' ' + sctp.protocol + ' 65535\\r\\n',\n    ];\n  }\n  if (sctp.maxMessageSize !== undefined) {\n    output.push('a=max-message-size:' + sctp.maxMessageSize + '\\r\\n');\n  }\n  return output.join('');\n};\n\n// Generate a session ID for SDP.\n// https://tools.ietf.org/html/draft-ietf-rtcweb-jsep-20#section-5.2.1\n// recommends using a cryptographically random +ve 64-bit value\n// but right now this should be acceptable and within the right range\nSDPUtils.generateSessionId = function() {\n  return Math.random().toString().substr(2, 22);\n};\n\n// Write boiler plate for start of SDP\n// sessId argument is optional - if not supplied it will\n// be generated randomly\n// sessVersion is optional and defaults to 2\n// sessUser is optional and defaults to 'thisisadapterortc'\nSDPUtils.writeSessionBoilerplate = function(sessId, sessVer, sessUser) {\n  let sessionId;\n  const version = sessVer !== undefined ? sessVer : 2;\n  if (sessId) {\n    sessionId = sessId;\n  } else {\n    sessionId = SDPUtils.generateSessionId();\n  }\n  const user = sessUser || 'thisisadapterortc';\n  // FIXME: sess-id should be an NTP timestamp.\n  return 'v=0\\r\\n' +\n      'o=' + user + ' ' + sessionId + ' ' + version +\n        ' IN IP4 127.0.0.1\\r\\n' +\n      's=-\\r\\n' +\n      't=0 0\\r\\n';\n};\n\n// Gets the direction from the mediaSection or the sessionpart.\nSDPUtils.getDirection = function(mediaSection, sessionpart) {\n  // Look for sendrecv, sendonly, recvonly, inactive, default to sendrecv.\n  const lines = SDPUtils.splitLines(mediaSection);\n  for (let i = 0; i < lines.length; i++) {\n    switch (lines[i]) {\n      case 'a=sendrecv':\n      case 'a=sendonly':\n      case 'a=recvonly':\n      case 'a=inactive':\n        return lines[i].substring(2);\n      default:\n        // FIXME: What should happen here?\n    }\n  }\n  if (sessionpart) {\n    return SDPUtils.getDirection(sessionpart);\n  }\n  return 'sendrecv';\n};\n\nSDPUtils.getKind = function(mediaSection) {\n  const lines = SDPUtils.splitLines(mediaSection);\n  const mline = lines[0].split(' ');\n  return mline[0].substring(2);\n};\n\nSDPUtils.isRejected = function(mediaSection) {\n  return mediaSection.split(' ', 2)[1] === '0';\n};\n\nSDPUtils.parseMLine = function(mediaSection) {\n  const lines = SDPUtils.splitLines(mediaSection);\n  const parts = lines[0].substring(2).split(' ');\n  return {\n    kind: parts[0],\n    port: parseInt(parts[1], 10),\n    protocol: parts[2],\n    fmt: parts.slice(3).join(' '),\n  };\n};\n\nSDPUtils.parseOLine = function(mediaSection) {\n  const line = SDPUtils.matchPrefix(mediaSection, 'o=')[0];\n  const parts = line.substring(2).split(' ');\n  return {\n    username: parts[0],\n    sessionId: parts[1],\n    sessionVersion: parseInt(parts[2], 10),\n    netType: parts[3],\n    addressType: parts[4],\n    address: parts[5],\n  };\n};\n\n// a very naive interpretation of a valid SDP.\nSDPUtils.isValidSDP = function(blob) {\n  if (typeof blob !== 'string' || blob.length === 0) {\n    return false;\n  }\n  const lines = SDPUtils.splitLines(blob);\n  for (let i = 0; i < lines.length; i++) {\n    if (lines[i].length < 2 || lines[i].charAt(1) !== '=') {\n      return false;\n    }\n    // TODO: check the modifier a bit more.\n  }\n  return true;\n};\n\n// Expose public methods.\nif (typeof module === 'object') {\n  module.exports = SDPUtils;\n}\n","import EventTarget from \"./EventTarget\";\nimport MWSE from \"./index\";\nimport Peer from \"./Peer\";\nimport { RoomInfo } from \"./RoomInfo\";\n\nexport interface IRoomOptions\n{\n    name: string;\n    description?:string;\n    joinType: \"free\"|\"invite\"|\"password\"|\"lock\";\n    credential?: string;\n    ifexistsJoin?: boolean;\n    accessType?: \"public\"|\"private\";\n    notifyActionInvite?: boolean;\n    notifyActionJoined?: boolean;\n    notifyActionEjected?: boolean;\n    autoFetchInfo?:boolean\n}\n\n\nexport default class Room extends EventTarget\n{\n    public mwse : MWSE;\n    public options! : IRoomOptions;\n    public roomId? : string;\n    public accessType? : \"public\"|\"private\";\n    public description? : string;\n    public joinType? : \"free\"|\"invite\"|\"password\"|\"lock\";\n    public name? : string;\n    public owner? : string;\n    public peers : Map<string,Peer> = new Map();\n    public info : RoomInfo;\n\n    constructor(wsts:MWSE){\n        super();\n        this.mwse = wsts;\n        this.info = new RoomInfo(this);\n    }\n    public setRoomOptions(options : IRoomOptions | string)\n    {\n        if(typeof options == \"string\")\n        {\n            this.roomId = options;\n        }else{\n            let defaultOptions = {\n                joinType: \"free\",\n                ifexistsJoin: true,\n                accessType: \"private\",\n                notifyActionInvite: true,\n                notifyActionJoined: true,\n                notifyActionEjected: true,\n                autoFetchInfo: true\n            };\n            Object.assign(defaultOptions,options);\n            this.options = defaultOptions as IRoomOptions;\n        }\n    }\n    \n    setRoomId(uuid: string){\n        this.roomId = uuid;\n    }\n    async createRoom(roomOptions : IRoomOptions){\n        let options = this.options ||  roomOptions;\n        let result = await this.mwse.EventPooling.request({\n            type:'create-room',\n            ...options\n        });\n        if(result.status == 'fail')\n        {\n            if(result.message == \"ALREADY-EXISTS\" && this.options.ifexistsJoin)\n            {\n                return this.join();\n            }\n            throw new Error(result.message || result.messages);\n        }else{\n            this.options = {\n                ...this.options,\n                ...result.room\n            };\n            this.roomId = result.room.id;\n            this.mwse.rooms.set(this.roomId as string, this);\n        }\n    }\n    async join(){\n        let result = await this.mwse.EventPooling.request({\n            type:'joinroom',\n            name: this.options.name,\n            credential: this.options.credential,\n            autoFetchInfo: this.options.autoFetchInfo || false\n        });\n        if(result.status == 'fail')\n        {\n            throw new Error(result.message);\n        }else{\n            this.options = {\n                ...this.options,\n                ...result.room\n            };\n            if(result.info)\n            {\n                this.info.info = result.info;\n            };\n            this.roomId = result.room.id;\n            this.mwse.rooms.set(this.roomId as string, this);\n        }\n    }\n    async eject(){\n        let {type} = await this.mwse.EventPooling.request({\n            type:'ejectroom',\n            roomId: this.roomId\n        });\n        this.peers.clear();\n        if(type == 'success')\n        {\n            this.mwse.rooms.delete(this.roomId as string);\n        }\n    }\n    async send(pack: any, wom:boolean = false){\n        if(!this.mwse.writable){\n            return console.warn(\"Socket is not writable\");\n        }\n        await this.mwse.EventPooling.request({\n            type:'pack/room',\n            pack,\n            to: this.roomId,\n            wom\n        });\n    }\n    async fetchPeers(filter?:{[key:string]:any}, onlyNumber:boolean = false) : Promise<Number | Peer[]>\n    {\n        if(onlyNumber)\n        {\n            let {count} = await this.mwse.EventPooling.request({\n                type:'room/peer-count',\n                roomId: this.roomId,\n                filter: filter || {}\n            }) as {count:Number};\n            return count;\n        }else{\n            let {status, peers} = await this.mwse.EventPooling.request({\n                type:'room-peers',\n                roomId: this.roomId,\n                filter: filter || {}\n            }) as {status:\"success\"|\"fail\", peers: string[]};\n    \n            let cup : Peer[] = [];\n    \n            if(status == 'fail')\n            {\n                throw new Error(\"Cant using peers on room\")\n            }else if(status == 'success'){\n                for (const peerid of peers) {\n                    let peer = this.mwse.peer(peerid,true);\n                    cup.push(peer);\n                    this.peers.set(peerid, peer);\n                }\n            };\n            return cup;\n        }\n    }\n}","import Room from \"./Room\";\n\nexport class RoomInfo\n{\n    public room : Room;\n    public info : {[key:string]: any} = {};\n    constructor(room : Room){\n        this.room = room;\n        this.room.on('updateinfo',(name:string,value:any) => {\n            this.info[name] = value;\n        })\n    };\n    public async fetch(name?:string)\n    {\n        if(name)\n        {\n            let rinfo = await this.room.mwse.EventPooling.request(({\n                type: \"room/getinfo\",\n                roomId: this.room.roomId,\n                name\n            }));\n            if(rinfo.status == \"success\")\n            {\n                this.info = rinfo.value;\n            }else console.warn(rinfo.message);\n        }else{\n            let rinfo = await this.room.mwse.EventPooling.request(({\n                type: \"room/info\",\n                roomId: this.room.roomId\n            }));\n            if(rinfo.status == \"success\")\n            {\n                this.info = rinfo.value;\n            }else console.warn(rinfo.message);\n        };\n        return this.info;\n    }\n    public set(name: string, value: string | number)\n    {\n        this.info[name] = value;\n        this.room.mwse.WSTSProtocol.SendOnly({\n            type: \"room/setinfo\",\n            roomId: this.room.roomId,\n            name,\n            value\n        });\n    }\n    public get(name?:string)\n    {\n        return name ? this.info[name] : this.info;\n    }\n}","import MWSE from \"./index\";\n\nexport interface Message {\n    [key:string|number]:any;\n}\nexport default class WSTSProtocol\n{\n    public mwse : MWSE;\n    constructor(wsts:MWSE){\n        this.mwse = wsts;\n        this.addListener();\n    }\n    public addListener()\n    {\n        this.mwse.server?.onRecaivePack((pack)=>{\n            this.PackAnalyze(pack)\n        })\n    }\n    public SendRaw(pack: Message)\n    {\n        this.mwse.server.tranferToServer(pack);\n    }\n    public SendOnly(pack: Message)\n    {\n        this.mwse.server.tranferToServer([pack,'R']);\n    }\n    public SendRequest(pack: Message, id: number)\n    {\n        this.mwse.server.tranferToServer([pack, id, 'R']);\n    }\n    public StartStream(pack: Message, id: number)\n    {\n        this.mwse.server.tranferToServer([pack, id, 'S']);\n    }\n    public PackAnalyze(data:any)\n    {\n        let [payload, id, action] = data;\n        if(typeof id === 'number')\n        {\n            let callback = this.mwse.EventPooling.events.get(id);\n            if(callback)\n            {\n                callback[0](payload, action);\n                switch(action)\n                {\n                    case 'E':{  // [E]ND flag\n                        this.mwse.EventPooling.events.delete(id);\n                        break;\n                    }\n                    case 'S':  // [S]TREAM flag\n                    default:{\n                        break;\n                    }\n                }\n            }else console.warn(\"Missing event sended from server\");\n        }else{\n            let signals = this.mwse.EventPooling.signals.get(id);\n            if(signals)\n            {\n                for (const callback of signals) {\n                    callback(payload);\n                }\n            }else console.warn(\"Missing event sended from server\");\n        }\n    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