function () {
  // If the path we're given by phantomjs is to a .cmd, it is pointing to a global copy.
  // Using the cmd as the process to execute causes problems cleaning up the processes
  // so we walk from the cmd to the phantomjs.exe and use that instead.

  var phantomSource = require("phantomjs-prebuilt").path;

  if (path.extname(phantomSource).toLowerCase() === ".cmd") {
    return path.join(path.dirname( phantomSource ), "//node_modules//phantomjs-prebuilt//lib//phantom//bin//phantomjs.exe");
  }

  return phantomSource;
}
function () {
  // If the path we're given by phantomjs is to a .cmd, it is pointing to a global copy.
  // Using the cmd as the process to execute causes problems cleaning up the processes
  // so we walk from the cmd to the phantomjs.exe and use that instead.

  var phantomSource = require("phantomjs-prebuilt").path;

  if (path.extname(phantomSource).toLowerCase() === ".cmd") {
    return path.join(path.dirname( phantomSource ), "//node_modules//phantomjs-prebuilt//lib//phantom//bin//phantomjs.exe");
  }

  return phantomSource;
}
function ( ) { // If the path we're given by phantomjs is to a .cmd, it is pointing to a global copy. // Using the cmd as the process to execute causes problems cleaning up the processes // so we walk from the cmd to the phantomjs.exe and use that instead. var phantomSource = require ( "phantomjs-prebuilt" ) . path ; if ( path . extname ( phantomSource ) . toLowerCase ( ) === ".cmd" ) { return path . join ( path . dirname ( phantomSource ) , "//node_modules//phantomjs-prebuilt//lib//phantom//bin//phantomjs.exe" ) ; } return phantomSource ; }
Determine the default phantomJS module path. This is overridden by the
phatomjs option.

This function, (technique and concerns) originated from karma-phantomjs-launcher:

The MIT License
Copyright (C) 2011-2013 Google, Inc.

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
Determine the default phantomJS module path . This is overridden by the phatomjs option .