resolve method

Implementation

@override
String? resolve(String scriptUri) {
  final uri = Uri.parse(scriptUri);
  if (uri.scheme == 'dart') {
    // Ignore the SDK
    return null;
  }
  if (uri.scheme == 'package') {
    // TODO(cbracken) belongs in a Bazel package
    return _resolveBazelPackage(uri.pathSegments);
  }
  if (uri.scheme == 'file') {
    final runfilesPathSegment =
        '.runfiles/$workspacePath'.replaceAll(RegExp(r'/*$'), '/');
    final runfilesPos = uri.path.indexOf(runfilesPathSegment);
    if (runfilesPos >= 0) {
      final pathStart = runfilesPos + runfilesPathSegment.length;
      return uri.path.substring(pathStart);
    }
    return null;
  }
  if (uri.scheme == 'https' || uri.scheme == 'http') {
    return _extractHttpPath(uri);
  }
  // We cannot deal with anything else.
  failed.add('$uri');
  return null;
}