fromJson method

@override SliderTrackShape? fromJson(Map<String, dynamic>? json)

Implementation

@override
SliderTrackShape? fromJson(Map<String, dynamic>? json) {
  if (json == null) return null;

  String? type = json['type'];
  switch (type) {
    case 'rectangular':
      return const RectangularSliderTrackShape();

    case 'rounded':
      return const RoundedRectSliderTrackShape();
  }

  throw 'Unsuported_Json_Value';
}