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Attach an event handler to an object literal

I have an object literal to open a websocket connection. this is a simplified version of it:

const ws = {

    conn : null,

    start : function(){
            
            this.conn = new WebSocket('wss://.....');

            this.conn.onopen = (e) => {};   

            this.conn.onmessage = (e) => {};    
                
            this.conn.onclose = (e) => {};  
                    
        }
}

i can initialize the connection with:

var websocket = ws.start();

now i want to attach an eventhandler to websocket, which is called when onmessage is fired. like this:

websocket.on('message', function (e) {

    console.log('this.conn.onmessage in ws was fired');

});

is there a way to achieve this?

about 4 years ago · Juan Pablo Isaza
2 answers
Answer question

0

Just return the connection at the end of the start function.

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

You can return the websocket at the end of the start function.

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
Answer question
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