passes method

@override FutureOr<bool> passes(ValidationContext context)

Validates the value using the given context.

Returns true if valid, otherwise false.

Implementation

@override
FutureOr<bool> passes(ValidationContext context) {
  final value = context.value;
  final args = context.parameters;

  if (value == null || args.isEmpty) return false;
  if (value is! List) return false;

  final allowed = args.toSet();
  // Check if every item in value is in allowed
  return value.every((item) => allowed.contains(item.toString()));
}