How do I "pause" Server Sent Events? - server-sent-events

Question

How I pause a Server Sent Event connection? Is it even possible, or do I have to close the SSE and then reopen it and assign all of the event handlers again?
For example I would like to do (this is all theoretical, I do not know the pause/restart function names):
var source = new EventSource(url);
source.addEventListener("something", somefunction, false);
source.addEventListener("somethingElse", somefunction2, false);
//...some code
source.pause();
//...some code
source.restart();

Answer 1

Yes, that's what technically needs to happen but you can abstract it away. Note: This one only connects after you do .connect()
function EventSource2(url) {
this.url = url;
this.es = null;
this.listeners = {};
}
EventSource2.prototype = {
constructor: EventSource2,
connect: function() {
this.es = new EventSource(this.url);
this.bindEvents();
},
disconnect: function() {
this.es.close();
this.es = null;
},
bindEvents: function() {
for ( var type in this.listeners ) {
var evs = this.listeners[type];
for( var i = 0; i < evs.length; ++i ) {
this.es.addEventListener( type, evs[i], false );
}
}
},
addEventListener: function( type, fn ) {
if( !this.listeners[type] ) {
this.listeners[type] = [];
}
this.listeners[type].push( fn );
if( this.es ) {
this.bindEvents();
}
}
}
Usage:
var source = new EventSource2(url);
source.addEventListener("something", somefunction, false);
source.addEventListener("somethingElse", somefunction2, false);
source.connect();
source.disconnect();
source.connect();