all files / src/ emitter.js

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
 
 
1×
 
 
1×
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1×
 
 
 
 
 
 
 
 
 
 
 
1×
"use strict";
 
var eventEmitter = new (require('events')).EventEmitter();
 
 
eventEmitter.all = function(events, callback) {
	var eventList = events.slice(0);
 
	events.forEach(function onEvent(event) {
		eventEmitter.on(event, function() {
			var index = eventList.indexOf(event);
			if (index === -1) {
				return;
			}
			eventList.splice(index, 1);
			if (eventList.length === 0) {
				callback();
			}
		});
	});
};
 
eventEmitter.any = function(events, callback) {
	events.forEach(function onEvent(event) {
		eventEmitter.on(event, function() {
			if (events !== null) {
				callback();
			}
 
			events = null;
		});
	});
};
 
module.exports = eventEmitter;