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Tim van der Lippe
5226a88fe0
This updates karma to 5.2.3, karma-coverage to the officially published version 2.0.3 (we were previously relying on a git commit) and karma-sourcemap-loader to 0.3.8. DISABLE_THIRD_PARTY_CHECK=Update Karma R=aerotwist@chromium.org Change-Id: Iaa365379d7c2c6eb9145b1507be1a0a3ae812359 Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2527043 Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org> Commit-Queue: Paul Lewis <aerotwist@chromium.org> Auto-Submit: Tim van der Lippe <tvanderlippe@chromium.org> Reviewed-by: Paul Lewis <aerotwist@chromium.org>
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:
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
eventandfnto remove a listener. - Pass
eventto 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