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Adjunte un controlador de eventos a un objeto literal

Tengo un objeto literal para abrir una conexión websocket. esta es una versión simplificada de la misma:

 const ws = { conn : null, start : function(){ this.conn = new WebSocket('wss://.....'); this.conn.onopen = (e) => {}; this.conn.onmessage = (e) => {}; this.conn.onclose = (e) => {}; } }

Puedo inicializar la conexión con:

 var websocket = ws.start();

ahora quiero adjuntar un controlador de eventos a websocket , que se llama cuando se activa onmessage . como esto:

 websocket.on('message', function (e) { console.log('this.conn.onmessage in ws was fired'); });

¿Hay una manera de lograr esto?

about 4 years ago · Juan Pablo Isaza
2 answers
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0

Simplemente devuelva la conexión al final de la función de start .

 const ws = { conn : null, start : function(){ this.conn = new WebSocket('wss://.....'); this.conn.onopen = (e) => {}; this.conn.onmessage = (e) => {}; this.conn.onclose = (e) => {}; return this.conn; } }
about 4 years ago · Juan Pablo Isaza Report

0

Puede devolver el websocket al final de la función de start .

 start: function() { this.conn = new WebSocket('wss://.....'); this.conn.onopen = (e) => {}; this.conn.onmessage = (e) => {}; this.conn.onclose = (e) => {}; return this.conn; }
about 4 years ago · Juan Pablo Isaza Report
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