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varun
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2 years ago | |
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| test | 2 years ago | |
| .npmignore | 2 years ago | |
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| README.md | 2 years ago | |
| circle.yml | 2 years ago | |
| index.js | 2 years ago | |
| package.json | 2 years ago | |
README.md
listenercount
backwards compatible version of builtin events.listenercount
A polyfill of Node.js 0.12+'s events.listenerCount function for Node.js 0.10. Uses the builtin if present, otherwise uses polyfill implementation.
usage
var listenerCount = require('listenercount')
var EventEmitter = require('events').EventEmitter
var ee = new EventEmitter()
ee.on('event', function () {})
listenerCount(ee, 'event') // => 1
listenerCount(ee, 'foo') // => 0
api
listenerCount(ee : EventEmitter, eventName : String) => Number
Returns the number of listeners for a given eventName on an EventEmitter.
installation
$ npm install listenercount
running the tests
From package root:
$ npm install
$ npm test
contributors
- jden jason@denizac.org
license
ISC. (c) MMXVI jden jason@denizac.org. See LICENSE.md