Selector.fromJson constructor

Selector.fromJson(
  1. Map<String, dynamic> json
)

Implementation

factory Selector.fromJson(Map<String, dynamic> json) {
  var type = json['type'];
  if (type == null) {
    throw FormatException('This is not a valid json for an selector: ${jsonEncode(json)}');
  }
  switch (type) {
    case SelectorTypes.FieldSelector:
      return FieldSelector.fromJson(json);
    default:
      throw UnsupportedError('Unknown selector type: $type');
  }
}