ColumnOptionDef.fromJson constructor

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