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test/	-	0755	rm
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component.json	218	0644	editdlrm
History.md	545	0644	editdlrm
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Makefile	89	0644	editdlrm
package.json	265	0644	editdlrm
Readme.md	1191	0644	editdlrm

# Emitter Event emitter component. ## Installation ``` $ component install component/emitter ``` ## API ### Emitter(obj) The `Emitter` may also be used as a mixin. For example a "plain" object may become an emitter, or you may extend an existing prototype. As an `Emitter` instance: ```js var Emitter = require('emitter'); var emitter = new Emitter; emitter.emit('something'); ``` As a mixin: ```js var Emitter = require('emitter'); var user = { name: 'tobi' }; Emitter(user); user.emit('im a user'); ``` As a prototype mixin: ```js var Emitter = require('emitter'); Emitter(User.prototype); ``` ### Emitter#on(event, fn) Register an `event` handler `fn`. ### Emitter#once(event, fn) Register a single-shot `event` handler `fn`, removed immediately after it is invoked the first time. ### Emitter#off(event, fn) Remove `event` handler `fn`, or pass only the `event` name to remove all handlers for `event`. ### Emitter#emit(event, ...) Emit an `event` with variable option args. ### Emitter#listeners(event) Return an array of callbacks, or an empty array. ### Emitter#hasListeners(event) Check if this emitter has `event` handlers.