content property
Implementation
@override
String get content {
final parent = this.parent;
if (parent == null) {
throw Exception('Part files must have a parent.');
}
final content = super.content;
if (content.contains(RegExp("^import '"))) {
throw Exception('Part files cannot contain import statements.');
}
final partsToParent = [
for (final _ in path.skip(1)) '..',
parent.fileName,
];
final parentPath = p.joinAll(partsToParent);
return '''
part of '$parentPath';
$content''';
}