MWSE/wsjs.js

function WSJS()
{
    this.isActive = false;
    this.ws = null;
    this.endpoint = null;
};
WSJS.prototype.connect = function(url){
    this.ws = new WebSocket(url);
    this.addListeners();
}
WSJS.prototype.addListeners = function(url){
    this.ws.addEventListener("close", this.closedEvent.bind(this));
    this.ws.addEventListener("message", this.messageEvent.bind(this));
    this.ws.addEventListener("open", this.openMessage.bind(this));
}
WSJS.prototype.closedEvent = function(){
    this.isActive = false;
    this.ws = null;
    this.events.dispatchEvent(new Event("close"));
}
WSJS.prototype.openMessage = function(){
    this.isActive = true;
    this.events.dispatchEvent(new Event("open"));
}
WSJS.prototype.messageEvent = function({data}){
    let [payload, id, action] = JSON.parse(data);
    if(typeof id === 'number')
    {
        if(this.requests.has(id))
        {
            this.requests.get(id)(payload, action);
            switch(action)
            {
                case 'E':{
                    this.requests.delete(id);
                    break;
                }
                case 'S':
                default:{
                    break;
                }
            }
        }else console.warn("Missing event sended from server");
    }else{
        if(this.signals.has(id))
        {
            for (const callback of this.signals.get(id)) {
                callback(payload);
            }
        }else console.warn("Missing event sended from server");
    }
}
WSJS.prototype.events = new EventTarget();
WSJS.prototype.scope = function(func){
    if(this.isActive)
    {
        func();
    }else this.events.addEventListener("open", func);
}

WSJS.prototype.sendOnly = function(obj){
    if(this.isActive)
    {
        this.sendRaw([obj,'R']);
    }else throw new Error(`socket could be a active`);
}
WSJS.prototype.requests = new Map();
WSJS.prototype.requestCount = 0;
WSJS.prototype.request = async function(obj){
    if(this.isActive)
    {
        return await new Promise(ok => {
            let id = ++this.requestCount;
            this.sendRaw([obj,id,'R']);
            this.requests.set(id,data => {
                ok(data);
            });
        })
    }else throw new Error(`socket could be a active`);
}
WSJS.prototype.stream = async function(obj,callback){
    if(this.isActive)
    {
        let id = ++this.requestCount;
        this.sendRaw([obj, id, 'S']);
        this.requests.set(id,data => {
            callback(data);
        });
    }else throw new Error(`socket could be a active`);
}
WSJS.prototype.signals = new Map();
WSJS.prototype.signal = async function(name, callback){
    if(!this.signals.has(name))
    {
        this.signals.set(name, [callback]);
    }else{
        this.signals.get(name).push(callback);
    }
}
WSJS.prototype.slot = async function(name, obj){
    if(this.isActive)
    {
        if(typeof name == "string")
        {
            this.sendOnly([obj,name]);
        }else{
            throw new Error(`name could be a string, gived ${typeof name}`);
        }
    }else throw new Error(`socket could be a active`);
}
WSJS.prototype.sendRaw = function(obj){
    if(this.isActive)
    {
        this.ws.send(JSON.stringify(obj))
    };
}
WSJS.prototype.checkAuth = async function(username, password){
    let {value:isAuth} = await this.request({
        type: 'auth/check'
    });
    return isAuth;
};
WSJS.prototype.authWith = async function(username, password){
    if(!await this.checkAuth())
    {
        let requets = await this.request({
            type: 'auth/login',
            username,
            password
        });
        debugger;
    }
};