removeCommentsAndEmptyLines static method
Implementation
static Future<void> removeCommentsAndEmptyLines() async {
File file = File('pubspec.yaml');
List<String> lines = file.readAsLinesSync();
lines.removeWhere((line) => line.trim().startsWith('#'));
lines.removeWhere((line) => line.trim().isEmpty);
file.writeAsStringSync(lines.join('\n'));
}