resolveModifierSpecs function

Set<WidgetModifierSpec<WidgetModifierSpec>> resolveModifierSpecs(List<Type> orderOfModifiers, MixData mix)

Implementation

Set<WidgetModifierSpec> resolveModifierSpecs(
  List<Type> orderOfModifiers,
  MixData mix,
) {
  final modifiers = mix.whereType<WidgetModifierAttribute>();

  if (modifiers.isEmpty) return {};
  final modifierMap = AttributeMap<WidgetModifierAttribute>(modifiers).toMap();

  final listOfModifiers = {
    // Prioritize the order of modifiers provided by the user.
    ...orderOfModifiers,
    // Add the default order of modifiers.
    ..._defaultOrder,
    // Add any remaining modifiers that were not included in the order.
    ...modifierMap.keys,
  }.toList().reversed;

  final specs = <WidgetModifierSpec>[];

  for (final modifierType in listOfModifiers) {
    // Resolve the modifier and add it to the list of specs.
    final modifier = modifierMap.remove(modifierType);
    if (modifier == null) continue;
    specs.add(modifier.resolve(mix) as WidgetModifierSpec);
  }

  return specs.toSet();
}