cloudfunctions/ClearingRedundantFolders/node_modules/fastq/queue.js

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

'use strict'

/* eslint-disable no-var */

var reusify = require('reusify')

function fastqueue (context, worker, concurrency) {
  if (typeof context === 'function') {
    concurrency = worker
    worker = context
    context = null
  }

  if (concurrency < 1) {
    throw new Error('fastqueue concurrency must be greater than 1')
  }

  var cache = reusify(Task)
  var queueHead = null
  var queueTail = null
  var _running = 0
  var errorHandler = null

  var self = {
    push: push,
    drain: noop,
    saturated: noop,
    pause: pause,
    paused: false,
    concurrency: concurrency,
    running: running,
    resume: resume,
    idle: idle,
    length: length,
    getQueue: getQueue,
    unshift: unshift,
    empty: noop,
    kill: kill,
    killAndDrain: killAndDrain,
    error: error
  }

  return self

  function running () {
    return _running
  }

  function pause () {
    self.paused = true
  }

  function length () {
    var current = queueHead
    var counter = 0

    while (current) {
      current = current.next
      counter++
    }