@kinngyo/event-emitter

event-emitter

事件派发

安装

npm i @kinngyo/event-emitter
或者
yarn add @kinngyo/event-emitter

基本使用

import EventEmitter from '@kinvirgo/event-emitter'
const event = new EventEmitter()
// 监听
event.on('test', data => {
    console.log(data) // 123
})
// 触发
event.emit('test', 123)

EventEmitter

const emitter = new EventEmitter(thisArg?:unknown)

API

方法	类型	介绍
on	(target: EventEmitterTarget, cb: EventEmitterCallback)=>EventEmitter	监听 target 触发 cb
once	(target: EventEmitterTarget, cb: EventEmitterCallback)=>EventEmitter	监听 target 触发一次 cb
emit	(target: EventEmitterTarget, ...params:unknown[])=>void	触发 target
off	(target?: EventEmitterTarget, cb?: EventEmitterCallback)=>EventEmitter	取消 target

EventEmitter.all

• 所有 target eventEmit.emit(target)，执行回调

const eventEmit = new EventEmitter.all(target:EventEmitterStaticTarget, cb: EventEmitterCallback)

API

方法	类型	介绍
emit	(target: EventEmitterTarget, ...params:unknown[])=>void	触发 target

EventEmitter.any

• 任何一个 target eventEmit.emit(target)，执行回调

const eventEmit = new EventEmitter.all(target:EventEmitterStaticTarget, cb: EventEmitterCallback)

API

方法	类型	介绍
emit	(target: EventEmitterTarget, ...params:unknown[])=>void	触发 target

types

type EventEmitterTarget = string | symbol | Array<string | symbol>

type EventEmitterStaticTarget = Array<string | symbol>

interface EventEmitterCallback {
    (...args: unknown[]): void
    cb?: (...args: unknown[]) => void
}