The Tor Browser / file revision

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this file,

  * You can obtain one at http://mozilla.org/MPL/2.0/. */

 addOnPreMain(function() {

   onmessage = function(aMsg){

     // Convert the string to an array of UTF8 bytes.

     var encoder = new TextEncoder();

     encoder['encoding'] = "utf-8";

     var utf8Array = encoder['encode'](aMsg.data);

     // Copy the UTF8 byte array to the heap.

     var strLength = utf8Array.length;

     var ptr = Module['_malloc'](strLength + 1);

     var heap = Module['HEAPU8'];

     new Uint8Array(heap.buffer, ptr, strLength).set(utf8Array);

     // Add a \0 at the end of the C string.

     heap[ptr + strLength] = 0;

     var lang = Pointer_stringify(_detectLangCode(ptr));

     var confident = !!Module['ccall']("lastResultReliable", "number");

     postMessage({'language': lang,

                  'confident': confident});

     Module['_free'](ptr);

   };

   postMessage("ready");

 });