sBuildDeprecation function

String sBuildDeprecation(String deprecated, String oldLocation, String newLocation, String url, List<String> migration,)

Implementation

String sBuildDeprecation(
  String deprecated,
  String oldLocation,
  String newLocation,
  String url,
  List<String> migration,
) {
  final lines = <String>[
    '⚠️ Error',
    'The $deprecated option has been moved from `$oldLocation` to `$newLocation`.',
    'It should be changed in the `pubspec.yaml`.',
    url,
    '',
    '```yaml',
    'flutter_gen:',
    ...migration,
    '```',
  ];

  final longestLineLength = lines
      .map(
        (line) => line
            .split('\n')
            .sorted((a, b) => b.length.compareTo(b.length))
            .first
            .length,
      )
      .sorted((a, b) => b.compareTo(a))
      .first;

  final buffer = StringBuffer();
  buffer.writeln('┌${'─' * (longestLineLength + 2)}┐');
  for (final line in lines) {
    buffer.writeln('| ${line.padRight(longestLineLength)} |');
  }
  buffer.writeln('└${'─' * (longestLineLength + 2)}┘');
  return buffer.toString();
}