Map _convertToJson()

in tool/catalog/generate_widget_catalog.dart [110:156]

• 42 lines of code
• 6 McCabe index (conditional complexity)

Map<String, Object> _convertToJson(
  ClassElement classElement,
  ClassElement widgetClass,
) {
  // flutter/src/material/about.dart
  final String filePath = classElement.library.librarySource.uri.path;
  final String libraryName = filePath.split('/')[2];

  String summary;
  final ElementAnnotation summaryAnnotation =
      _getAnnotations(classElement, 'Summary')
          .firstWhere((_) => true, orElse: () => null);
  if (summaryAnnotation != null) {
    final DartObject text =
        summaryAnnotation.computeConstantValue().getField('text');
    summary = text.toStringValue().trim();
  }

  List<String> categories;
  final ElementAnnotation categoryAnnotation =
      _getAnnotations(classElement, 'Category')
          .firstWhere((_) => true, orElse: () => null);
  if (categoryAnnotation != null) {
    final DartObject value =
        categoryAnnotation.computeConstantValue().getField('sections');
    categories = value
        .toListValue()
        .map((DartObject obj) => obj.toStringValue())
        .toList();
  }

  final Map<String, Object> m = <String, Object>{};
  m['name'] = classElement.name;
  if (classElement != widgetClass) {
    m['parent'] = classElement.supertype.element.name;
  }
  m['library'] = libraryName;
  if (classElement.isAbstract) {
    m['abstract'] = true;
  }
  if (categories != null) {
    m['categories'] = categories;
  }
  m['description'] = summary ?? _singleLine(classElement.documentationComment);

  return m;
}