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Always return emitter from #on()

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This commit is contained in:
Jürg Lehni 2014-11-18 15:05:14 -08:00
parent 19a9976939
commit d5471c480f
1 changed files with 12 additions and 12 deletions
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24
src/core/Emitter.js
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@ -22,18 +22,18 @@ var Emitter = {
Base.each(type, function(value, key) {
this.on(key, value);
}, this);
return;
}
var entry = this._eventTypes[type];
if (entry) {
var handlers = this._callbacks = this._callbacks || {};
handlers = handlers[type] = handlers[type] || [];
if (handlers.indexOf(func) === -1) { // Not added yet, add it now
handlers.push(func);
// See if this is the first handler that we're attaching, and
// call install if defined.
if (entry.install && handlers.length == 1)
entry.install.call(this, type);
} else {
var entry = this._eventTypes[type];
if (entry) {
var handlers = this._callbacks = this._callbacks || {};
handlers = handlers[type] = handlers[type] || [];
if (handlers.indexOf(func) === -1) { // Not added yet, add now.
handlers.push(func);
// See if this is the first handler that we're attaching,
// and call install if defined.
if (entry.install && handlers.length == 1)
entry.install.call(this, type);
}
}
}
return this;