generateCompletionScript function

String generateCompletionScript(List<String> binaryNames)

Implementation

String generateCompletionScript(List<String> binaryNames) {
  if (binaryNames.isEmpty) {
    throw ArgumentError('Provide the name of at least of one command');
  }

  for (final binName in binaryNames) {
    if (!_binNameMatch.hasMatch(binName)) {
      final msg = 'The provided name - "$binName" - is invalid\n'
          'It must match regex: ${_binNameMatch.pattern}';
      throw StateError(msg);
    }
  }

  final buffer = StringBuffer();

  final prefix =
      LineSplitter.split(_prefix).map((l) => '# $l'.trim()).join('\n');
  buffer
    ..writeln(prefix)
    ..writeln();

  for (final binName in binaryNames) {
    buffer.writeln(_printBinName(binName));
  }

  final detailLines = [
    'Generated ${DateTime.now().toUtc()}',
  ];

  if (Platform.script.scheme == 'file') {
    var scriptPath = Platform.script.toFilePath();
    scriptPath = pathos.absolute(pathos.normalize(scriptPath));

    detailLines.add('By $scriptPath');
  }

  final details = detailLines.map((l) => '## $l').join('\n');
  buffer.write(details);

  return buffer.toString();
}