Nano Events

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  • Only 152 bytes (minified and gzipped). It uses Size Limit to control size.
  • on method returns the unbind function. You don’t need to save callback to variable for removeListener.
  • TypeScript and ES modules support.
  • No aliases, just emit and on methods. No Node.js EventEmitter compatibility.
import { createNanoEvents } from 'nanoevents'

const emitter = createNanoEvents()

const unbind = emitter.on('tick', volume => {
  summary += volume

emitter.emit('tick', 2)
summary //=> 2

emitter.emit('tick', 2)
summary //=> 2

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A product development consultancy that works with startups and established businesses, while also creating open source-based products and services