@scant/emitter v0.2.2

@scant/emitter

Dead simple event emitter.

Install

yarn add @scant/emitter

Usage

import createEmitter from '@scant/emitter';

const emitter = createEmitter();

const handleHello = name => console.log(`hello ${name}!`);

// create a listener
emitter.on('hello', handleHello);

// get count of all listeners
emitter.listeners(); // { hello: 1 }

// get count of listeners by name
emitter.listeners('hello'); // { hello: 1 }
emitter.listeners('farewell'); // { farewell: 0 }

// emit the event, with a payload
emitter.emit('hello', 'world');

// remove the listener
emitter.off('hello', handleHello);

// or, remove ALL listeners on the event
// emitter.off('hello');