gistfile1.js

function Uint8ArrayListWriter(contentSize, filename)
{
   var output, that = this, offset, errored;

   function init(callback)
   {
      output = [];
      offset = 0;
      errored = false;
      callback();
   }

   function writeUint8Array(array, callback)
   {
      if (!errored)
      {
         if (array.length)
         {
            output.push(array);
            offset += array.length;
         } else
         {
            showError(filename + ' decompresstion error. Content will be trimmed to current position. All elements may not work as expected as a result.');
            errored = true;
            output = output.subarray(0, offset);
         }
      }
      callback();
   }

   function getData(callback)
   {
      output.totalLength = offset;
      callback(output);
   }

   that.init = init;
   that.writeUint8Array = writeUint8Array;
   that.getData = getData;
}