编辑 index.js - 文件管理器

✏️ 编辑：index.js

路径：/home/boguraj1/public_html/jobsite/node_modules/unpipe/index.js

大小：1.09 KB · 修改：2022-11-21 20:12:26 · 权限：0644 · 可写

/*!
 * unpipe
 * Copyright(c) 2015 Douglas Christopher Wilson
 * MIT Licensed
 */

'use strict'

/**
 * Module exports.
 * @public
 */

module.exports = unpipe

/**
 * Determine if there are Node.js pipe-like data listeners.
 * @private
 */

function hasPipeDataListeners(stream) {
  var listeners = stream.listeners('data')

for (var i = 0; i < listeners.length; i++) {
    if (listeners[i].name === 'ondata') {
      return true
    }
  }

return false
}

/**
 * Unpipe a stream from all destinations.
 *
 * @param {object} stream
 * @public
 */

function unpipe(stream) {
  if (!stream) {
    throw new TypeError('argument stream is required')
  }

if (typeof stream.unpipe === 'function') {
    // new-style
    stream.unpipe()
    return
  }

// Node.js 0.8 hack
  if (!hasPipeDataListeners(stream)) {
    return
  }

var listener
  var listeners = stream.listeners('close')

for (var i = 0; i < listeners.length; i++) {
    listener = listeners[i]

if (listener.name !== 'cleanup' && listener.name !== 'onclose') {
      continue
    }

// invoke the listener
    listener.call(stream)
  }
}