ShowFunctions.fromJson constructor

ShowFunctions.fromJson(
  1. Object? json_
)

Returns a new instance from a JSON value. May throw if the value does not have the expected structure.

Implementation

factory ShowFunctions.fromJson(Object? json_) {
  final json = json_ is Map
      ? _spec.fields.map((f) => json_[f.label]).toList(growable: false)
      : json_;
  return switch (json) {
    [final filter] || (final filter,) => ShowFunctions(
        filter: Option.fromJson(
            filter, (some) => ShowStatementFilter.fromJson(some)).value,
      ),
    _ => throw Exception('Invalid JSON $json_')
  };
}