Function done

browser.js:24844–24857

(stream, er, data)

};

function done(stream, er, data) {
  if (er) return stream.emit('error', er);

  if (data != null) // single equals check for both `null` and `undefined`
    stream.push(data);

  // if there's nothing in the write buffer, then that means
  // that nothing more will ever be provided
  if (stream._writableState.length) throw new Error('Calling transform done when ws.length != 0');

  if (stream._transformState.transforming) throw new Error('Calling transform done when still transforming');

  return stream.push(null);
}
},{"./_stream_duplex":94,"core-util-is":51,"inherits":88}],98:[function(require,module,exports){
(function (process,global,setImmediate){
// Copyright Joyent, Inc. and other Node contributors.