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    component-emitterpublic

    Emitter Build Status

    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:

    var Emitter = require('emitter');
    var emitter = new Emitter;
    emitter.emit('something');

    As a mixin:

    var Emitter = require('emitter');
    var user = { name: 'tobi' };
    Emitter(user);
     
    user.emit('im a user');

    As a prototype mixin:

    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)

    • Pass event and fn to remove a listener.
    • Pass event to remove all listeners on that event.
    • Pass nothing to remove all listeners on all events.

    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.

    License

    MIT

    Keywords

    none

    install

    npm i component-emitter

    Downloadsweekly downloads

    5,253,827

    version

    1.2.1

    license

    MIT

    repository

    githubgithub

    last publish

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