class CommandJS{
    stdin = null;
    stdout = null;
    stderr = null;
    constructor(pipe){
        this.stdin = pipe.stdin;
        this.stdout = pipe.stdout;
        this.stderr = pipe.stderr;
    }
    async main(args)
    {
        let commandline = args.find(e => e.type == "arguments");
        if(commandline)
        {
            try{
                let t = eval(commandline.data);
                if(typeof t != "undefined")
                {
                    this.stdout.writeln(JSON.stringify(t,null, '   ').replace(/\n/g,'\r\n'));
                }
            }catch(e){
                this.stderr.writeln(e.message);
            }
        }
        this.exit();
    }
};

class CommandJSRaw{
    stdin = null;
    stdout = null;
    stderr = null;
    constructor(pipe){
        this.stdin = pipe.stdin;
        this.stdout = pipe.stdout;
        this.stderr = pipe.stderr;
    }
    async main(args)
    {
        let commandline = args.find(e => e.type == "arguments");
        if(commandline)
        {
            let t = eval(commandline.data);
            this.stdout.writeln(t);
        }
        this.exit();
    }
};

CommandNamespace.namespaces.set('js', CommandJS);
CommandNamespace.namespaces.set('jsecho', CommandJSRaw);