message: missing text-encoding
diff: import BarcodeFormat from '../../../core/BarcodeFormat';
  import MultiFormatReader from '../../../core/MultiFormatReader';
  import AbstractBlackBoxSpec from '../common/AbstractBlackBox';
  -import 'text-encoding';
  import { TextDecoder, TextEncoder } from '@sinonjs/text-encoding';
  import StringEncoding from '../../../core/util/StringEncoding';
  