getDevDependencies method
Gets dev dependencies from pubspec.yaml
Implementation
Map<String, dynamic>? getDevDependencies() {
if (_pubspecContent == null) {
throw StateError('Pubspec not loaded. Call load() first.');
}
final devDependencies = _pubspecContent!['dev_dependencies'];
return devDependencies is YamlMap
? Map<String, dynamic>.from(devDependencies)
: null;
}