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README.md
tiny-emitter
A tiny (less than 1k) event emitter library.
Install
npm
npm install tiny-emitter --save
Usage
var Emitter = require('tiny-emitter');
var emitter = new Emitter();
emitter.on('some-event', function (arg1, arg2, arg3) {
//
});
emitter.emit('some-event', 'arg1 value', 'arg2 value', 'arg3 value');
Alternatively, you can skip the initialization step by requiring tiny-emitter/instance
instead. This pulls in an already initialized emitter.
var emitter = require('tiny-emitter/instance');
emitter.on('some-event', function (arg1, arg2, arg3) {
//
});
emitter.emit('some-event', 'arg1 value', 'arg2 value', 'arg3 value');
Instance Methods
on(event, callback[, context])
Subscribe to an event
event
- the name of the event to subscribe tocallback
- the function to call when event is emittedcontext
- (OPTIONAL) - the context to bind the event callback to
once(event, callback[, context])
Subscribe to an event only once
event
- the name of the event to subscribe tocallback
- the function to call when event is emittedcontext
- (OPTIONAL) - the context to bind the event callback to
off(event[, callback])
Unsubscribe from an event or all events. If no callback is provided, it unsubscribes you from all events.
event
- the name of the event to unsubscribe fromcallback
- the function used when binding to the event
emit(event[, arguments...])
Trigger a named event
event
- the event name to emitarguments...
- any number of arguments to pass to the event subscribers
Test and Build
Build (Tests, Browserifies, and minifies)
npm install
npm run build
Test
npm install
npm test