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wx-lala

v1.0.5

Published

wx.request, wx.cloud.callFunction, wx.cloud.callContainer Promisify and interceptors

Downloads

13

Readme

wechat request promisify

  1. wx.request Promisify
  2. interceptors
  3. pre-config
  4. simple, easy: ONLY 3 new options:
  • env for wx.cloud.callFunction and wx.cloud.callContainer
  • baseURL for wx.request
  • timeout polyfill wx.cloud.callFunction
import createRequest from 'wx-lala'

// 初始化请求实例:所有选项均为可选,但为了请求成功,如果使用云函数/云托管,请填入env初始化一下
const wxLaLa = createRequest({
  // 云函数/云托管初始化环境ID
  env: '',
  // wx.request
  request: {
    baseURL: 'https://xxx.com'
    // 其他选项跟wx.request选项保持一致
    // 不传入success时,返回的promise有类型提示;传入success时,promise返回值为success执行后的返回值,如果没返回,则为接口返回值
  },
  // wx.cloud.callFunction
  function: {
    // 传入后,外层的env将被忽略,以这个env来初始化
    env: '',
    // 请求超时
    timeout: 0
    // 其他选项跟wx.cloud.callFunction选项保持一致,除了config.env
  },
  // wx.cloud.callContainer
  container: {
    // 传入后,外层的env将被忽略,以这个env来初始化
    env: ''
    // 其他选项跟wx.cloud.callContainer选项保持一致,除了config.env
  }
})
// 请求拦截器
wxLaLa.request.interceptor.request.use(function (options) {
  // 锁定请求,比如token过期了之类的场景
  this.lock()
  // 解除锁定
  this.unlock()
  // 取消请求
  this.cancel()
  // 返回options或者不返回都行
  return options
})
wxLaLa.request.interceptor.response.use(function (response, requestOptions) {
  // 锁定响应返回,比如token过期了之类的场景
  this.lock()
  // 解除锁定
  this.unlock()
  // 取消返回
  this.cancel()
  // 返回response或者不返回都行,自由得很
  return response
})

云函数/云托管的拦截器跟request一个路数的,wxLaLa.callFunction.interceptor / wxLaLa.callContainer.interceptor

wxLaLa.request({ url: '' }).then(res => console.log('接口返回值', res))
wxLaLa
  .request({
    url: '',
    // 这里虽然支持同时传入success/fail和promise化,但很不推荐这种实践
    success(res) {
      return res.data
    }
  })
  .then(data => {
    // 这里的data就是success里面返回的值;
    console.log(data)
    // 如果success没有返回值/null/undefined,则data为接口返回的值
  })

wxLaLa
  .callFunction({
    name: 'demo'
  })
  .then(res => {
    console.log('接口返回值', res)
  })
wxLaLa
  .callFunction({
    name: 'demo',
    // 这里虽然支持同时传入success/fail和promise化,但很不推荐这种实践
    success(res) {
      return res.result
    }
  })
  .then(data => {
    // 这里的data就是success里面返回的值;
    console.log(data)
    // 如果success没有返回值/null/undefined,则data为接口返回的值
  })

wxLaLa
  .callContainer({
    path: '/'
  })
  .then(res => {
    console.log('接口返回值', res)
  })
wxLaLa
  .callContainer({
    path: '/',
    // 这里虽然支持同时传入success/fail和promise化,但很不推荐这种实践
    success(res) {
      return res.data
    }
  })
  .then(data => {
    // 这里的data就是success里面返回的值;
    console.log(data)
    // 如果success没有返回值/null/undefined,则data为接口返回的值
  })