| 1 | function EmitterWrapper (emitter) {
|
| 2 | this.listeners = {}
|
| 3 | this.emitter = emitter
|
| 4 | }
|
| 5 |
|
| 6 | EmitterWrapper.prototype.addListener = EmitterWrapper.prototype.on = function (event, listener) {
|
| 7 | this.emitter.addListener(event, listener)
|
| 8 |
|
| 9 | if (!this.listeners.hasOwnProperty(event)) {
|
| 10 | this.listeners[event] = []
|
| 11 | }
|
| 12 |
|
| 13 | this.listeners[event].push(listener)
|
| 14 |
|
| 15 | return this
|
| 16 | }
|
| 17 |
|
| 18 | EmitterWrapper.prototype.removeAllListeners = function (event) {
|
| 19 | var events = event ? [event] : Object.keys(this.listeners)
|
| 20 | var self = this
|
| 21 | events.forEach(function (event) {
|
| 22 | self.listeners[event].forEach(function (listener) {
|
| 23 | self.emitter.removeListener(event, listener)
|
| 24 | })
|
| 25 | delete self.listeners[event]
|
| 26 | })
|
| 27 |
|
| 28 | return this
|
| 29 | }
|
| 30 |
|
| 31 | module.exports = EmitterWrapper
|