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@4a/retry

v0.2.3

Published

失败自动重试,可用于 http 请求重试,或其他需要重试的逻辑

Downloads

19

Readme

Retry

失败自动重试,可用于 http 请求重试,或其他需要重试的逻辑

Install

npm i @4a/retry

Usage

// ES6
import { Retry } from '@4a/retry'

// Nodejs
const { Retry } = require('@4a/retry')

Example

let i = 0

Retry.delay(300) // 可选调用 重试间隔300ms,默认300ms,单位ms
  .max(10) // 可选调用 重试次数10,默认3次防止死循环
  .when((result) => result !== 10) // 必须调用 重试条件,符合条件则重试,否则视为成功正常返回
  .repeat(() => {
    // 支持async函数,支持promise,返回Promise
    i++
    return i
  })
  .then((result) => {
    console.log('result:', result)
  })
  .catch((err) => {
    // 报错视为失败
    // 最后一次重试如果依然报错,则抛出该错误
    console.error('error:', err)
  })

Simple

let i = 0

Retry.when((result) => result !== 10)
  .repeat(() => {
    i++
    return i
  })
  .then((result) => {
    console.log('result:', result)
  })
  .catch((err) => {
    console.error('error:', err)
  })

Axios Request

Retry.when((result) => result.data.code !== 0)
  .repeat(() => axios(options))
  .then((result) => {
    console.log('result:', result)
  })
  .catch((err) => {
    console.error('error:', err)
  })

npm test