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any-event

v2.2.0

Published

小巧的事件模型

Downloads

7,003

Readme

any-event NPM Version npm bundle size (minified + gzip) codecov CircleCI

:cake: 不到1k, 一个mini的事件管理器, 希望能在您的代码中做一块砖.

安装

npm i -S any-event

使用

import EventEmitter from  'any-event';
const emitter = new EventEmitter();
emitter.on('add', data=>{
    console.log(data) // 1
});
emitter.emit('add', 1);

方法

on(eventName, listener)

绑定事件

|名称|类型|数据类型|是否必填|说明| |---|---|---|---|---| |eventName| 参数 |String/Symbol|是|事件名称| |listener| 参数 |Function|是|对应的回调函数| |emitter| 返回值 |EventEmitter|---|实例|

off(eventName, listener)

解除绑定, 如果不填写listener, 那么eventName对应的listener都会被移除.

|名称|类型|数据类型|是否必填|说明| |---|---|---|---|---| |eventName| 参数 |String/Symbol|是|事件名称| |listener| 参数 |Function|是|对应的回调函数| |emitter| 返回值 |EventEmitter|---|实例|

const callback = data=>{
    alert(data)
};
emitter.on('add', callback);
// 解除绑定
emitter.off('add', callback);
// add事件不会触发
emitter.emit('add', 1);

emit(eventName [, ...args])

触发事件, 支持任意数量参数

|名称|类型|数据类型|是否必填|说明| |---|---|---|---|---| |eventName| 参数 |String/Symbol|是|事件名称| | args| 参数 |Any|是|数据| |emitter| 返回值 |Boolean|---|实例|

const callback = (a,b,c,d)=>{
    console(a,b,c,d); // 1,2,3,4
};
emitter.once('add', callback);
// add事件触发
emitter.emit('add', 1,2,3,4);

destroy()

销毁实例

const callback = (a,b,c,d)=>{
    console(a,b,c,d); // 1,2,3,4
};
emitter.once('add', callback);
emitter.destroy();

// add事件不会触发
emitter.emit('add', 1,2,3,4);