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@monchilin/countdown

v0.4.2

Published

> [如何写一个靠谱的前端倒计时库](https://juejin.im/post/5e706477f265da57360ba65d)

Downloads

225

Readme

一个靠谱的倒计时库

如何写一个靠谱的前端倒计时库

这个库本人已经在生产环境中实践一年了,有足够灵活的使用方式和完善代码注释,如果有小伙伴在使用过程中遇到什么问题或者需要新的功能请在 issue 里面留言

安装

yarn add @monchilin/countdown

使用

参考 https://github.com/MonchiLin/countdown/tree/master/demo

// 导入
import CountdownService from "./src";

// 实例化服务类,token 参考 other 部分
const service = new CountdownService({ token: "随机值" })

// 每次触发定时器的回掉
const doSome = (current) => {}

// 增加监听器
service.addListener(doSome)

// 开始倒计时(从 60 开始,每 1000 毫秒,减少 1,直到小于等于 0 结束)
service.countdown({
  from: 60,
  to: 0,
  step: 1,
  timeout: 1000,
})

countdown() API

| Property | Type | Option | Description | |-------------|----------|--------------|----------------------------------------------------------------| |from|number|false|起始值| |to|number|false|结束值| |step|number|false|递减值| |complete|function|true|倒计时结束的回调函数| |start|function|true|倒计时开始的回调函数| |timeout|number|true|倒计时的建个,单位为毫秒,默认为 1000|

Other

为什么我需要传入一个 token?

token 是本库对开发者的约束,一个好的程序应该避免定时器未被清除,而 token 则是避免这种情况发生的解决办法,详见文章这部分(TODO 补全)