zen-mitt

light-weight(187B min+gzip) typesafe event emitter

Install

1npm install zen-mitt

1yarn add zen-mitt

1pnpm add zen-mitt

Usage

1import { mitt } from 'zen-mitt'
2
3const events = mitt<{
4  foo: [data: number]
5  arr: [data: string[]]
6  param: [name: string, age?: number]
7}>()
8events.on('foo', console.log)
9events.emit('foo', 1)
10
11events.on('arr', console.log)
12events.emit('arr', ['test'])
13events.off('arr')
14
15events.once('param', console.log)
16events.emit('param', 'test', 1)
17
18events.off() // clear all listeners

Class version

1import { Mitt } from 'zen-mitt/class'
2
3const events = new Mitt()

License

MIT