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# tiny-emitter A tiny (less than 1k) event emitter library. ## Install ### npm ``` npm install tiny-emitter --save ``` ## Usage ```js 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. ```js 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 to * `callback` - the function to call when event is emitted * `context` - (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 to * `callback` - the function to call when event is emitted * `context` - (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 from * `callback` - the function used when binding to the event ### emit(event[, arguments...]) Trigger a named event * `event` - the event name to emit * `arguments...` - 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 ``` ## License [MIT](https://github.com/scottcorgan/tiny-emitter/blob/master/LICENSE)