String toPrettyString()

in lib/src/mock.dart [1188:1232]
35 lines of code
9 McCabe index (conditional complexity)

  String toPrettyString() {
    String argString;
    // Add quotes around strings to clarify the type of the argument to the user
    // and so the empty string is represented.
    var args = positionalArguments.map((v) => v is String ? "'$v'" : '$v');
    if (args.any((arg) => arg.contains('\n'))) {
      // As one or more arg contains newlines, put each on its own line, and
      // indent each, for better readability.
      argString = '\n' +
          args
              .map((arg) => arg.splitMapJoin('\n', onNonMatch: (m) => '    $m'))
              .join(',\n');
    } else {
      // A compact String should be perfect.
      argString = args.join(', ');
    }
    if (namedArguments.isNotEmpty) {
      if (argString.isNotEmpty) argString += ', ';
      var namedArgs = namedArguments.keys
          .map((key) => '${_symbolToString(key)}: ${namedArguments[key]}');
      if (namedArgs.any((arg) => arg.contains('\n'))) {
        // As one or more arg contains newlines, put each on its own line, and
        // indent each, for better readability.
        namedArgs = namedArgs
            .map((arg) => arg.splitMapJoin('\n', onNonMatch: (m) => '    $m'));
        argString += '{\n${namedArgs.join(',\n')}}';
      } else {
        // A compact String should be perfect.
        argString += '{${namedArgs.join(', ')}}';
      }
    }

    var method = _symbolToString(memberName);
    if (isMethod) {
      method = '$method($argString)';
    } else if (isGetter) {
      method = '$method';
    } else if (isSetter) {
      method = '$method=$argString';
    } else {
      throw StateError('Invocation should be getter, setter or a method call.');
    }

    return method;
  }