dynatrace-cordova-outsystems-plugin/node_modules/asynckit/lib/readable_asynckit.js

This plugin gives you the ability to use the Dynatrace instrumentation in your hybrid application (Cordova, Ionic, ..). It uses the Mobile Agent, the JavaScript Agent and the Javascript Bridge. The Mobile Agent will give you all device specific values con

var streamify = require('./streamify.js')
  , defer     = require('./defer.js')
  ;

// API
module.exports = ReadableAsyncKit;

/**
 * Base constructor for all streams
 * used to hold properties/methods
 */
function ReadableAsyncKit()
{
  ReadableAsyncKit.super_.apply(this, arguments);

  // list of active jobs
  this.jobs = {};

  // add stream methods
  this.destroy = destroy;
  this._start  = _start;
  this._read   = _read;
}

/**
 * Destroys readable stream,
 * by aborting outstanding jobs
 *
 * @returns {void}
 */
function destroy()
{
  if (this.destroyed)
  {
    return;
  }

  this.destroyed = true;

  if (typeof this.terminator == 'function')
  {
    this.terminator();
  }
}

/**
 * Starts provided jobs in async manner
 *
 * @private
 */
function _start()
{
  // first argument – runner function
  var runner = arguments[0]
    // take away first argument
    , args   = Array.prototype.slice.call(arguments, 1)
      // second argument - input data
    , input  = args[0]
      // last argument - result callback
    , endCb  = streamify.callback.call(this, args[args.length - 1])
    ;

  args[args.length - 1] = endCb;
  // third argument - iterator
  args[1] = streamify.iterator.call(this, args[1]);

  // allow time for proper setup
  defer(function()
  {
    if (!this.destroyed)
    {
      this.terminator = runner.apply(null, args);
    }
    else
    {
      endCb(null, Array.isArray(input) ? [] : {});
    }
  }.bind(this));
}


/**
 * Implement _read to comply with Readable streams
 * Doesn't really make sense for flowing object mode
 *
 * @private
 */
function _read()
{

}