Server : Apache/2.4.41 (Ubuntu) System : Linux absol.cf 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /usr/local/lib/node_modules/mqtt/node_modules/callback-stream/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

'use strict'

var Writable = require('readable-stream').Writable
var inherits = require('inherits')

function CallbackStream (options, callback) {
  if (!(this instanceof CallbackStream)) {
    return new CallbackStream(options, callback)
  }

  if (typeof options === 'function') {
    callback = options
    options = {}
  }

  Writable.call(this, options)

  this.results = []
  this.callback = callback

  this.on('finish', deliversCallback)
  this.once('pipe', handlePipe)
}

function deliversCallback () {
  this.callback(null, this.results)
}

function handlePipe (source) {
  source.on('error', this.callback)
}

inherits(CallbackStream, Writable)

CallbackStream.prototype._write = function (data, encoding, done) {
  this.results.push(data)
  done()
}

CallbackStream.obj = function (options, callback) {
  if (typeof options === 'function') {
    callback = options
    options = {}
  }

  options.objectMode = true

  return new CallbackStream(options, callback)
}

module.exports = CallbackStream