toJson method

@override Map<String, dynamic>? toJson(ScrollPhysics? object)

Implementation

@override
Map<String, dynamic>? toJson(ScrollPhysics? object) {
  if (object == null) return null;

  String? type;

  if (object is AlwaysScrollableScrollPhysics) {
    type = 'always';
  } else if (object is BouncingScrollPhysics) {
    type = 'bouncing';
  } else if (object is ClampingScrollPhysics) {
    type = 'clamping';
  } else if (object is FixedExtentScrollPhysics) {
    type = 'fixedExtent';
  } else if (object is NeverScrollableScrollPhysics) {
    type = 'never';
  } else if (object is PageScrollPhysics) {
    type = 'page';
  } else if (object is RangeMaintainingScrollPhysics) {
    type = 'rangeMaintaining';
  }

  if (type == null) {
    throw Exception(
        'Unknown ScrollPhysics class encounted: ${object.runtimeType}');
  }
  return {
    'parent': const NullableScrollPhysicsConverter().toJson(object.parent),
    'type': type,
  };
}