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Fix #3425: removeAllListeners should delete array

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When removeAllListeners is called, the listeners array
is deleted to maintain compatibility with v0.6.

Reverts "events: don't delete the listeners array"

This reverts commit 78dc13fbf97e2e3003e6f3baacdd5ff60e8de3f7.

Conflicts:

	test/simple/test-event-emitter-remove-all-listeners.js
This commit is contained in:
Reid Burke 2012-06-13 12:25:43 -05:00 committed by isaacs
parent 13400e3e58
commit c9a1b5d162
2 changed files with 11 additions and 13 deletions
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11
lib/events.js
View File

@ -228,15 +228,8 @@ EventEmitter.prototype.removeAllListeners = function(type) {
return this;
}
var events = this._events && this._events[type];
if (!events) return this;
if (isArray(events)) {
events.splice(0);
} else {
this._events[type] = null;
}
// does not use listeners(), so no side effect of creating _events[type]
if (type && this._events && this._events[type]) this._events[type] = null;
return this;
};

13
test/simple/test-event-emitter-remove-all-listeners.js
View File

@ -39,10 +39,15 @@ e1.removeAllListeners('baz');
assert.deepEqual(e1.listeners('foo'), [listener]);
assert.deepEqual(e1.listeners('bar'), []);
assert.deepEqual(e1.listeners('baz'), []);
// identity check, the array should not change
assert.equal(e1.listeners('foo'), fooListeners);
assert.equal(e1.listeners('bar'), barListeners);
assert.equal(e1.listeners('baz'), bazListeners);
// after calling removeAllListeners,
// the old listeners array should stay unchanged
assert.deepEqual(fooListeners, [listener]);
assert.deepEqual(barListeners, [listener]);
assert.deepEqual(bazListeners, [listener, listener]);
// after calling removeAllListeners,
// new listeners arrays are different from the old
assert.notEqual(e1.listeners('bar'), barListeners);
assert.notEqual(e1.listeners('baz'), bazListeners);
var e2 = new events.EventEmitter();
e2.on('foo', listener);