toNullableString method

String? toNullableString()

Implementation

String? toNullableString() {
  if (isUndefinedOrNull) return null;
  if (isA<JSString>()) return (this as JSString).toDart;
  if (isA<JSNumber>()) return (this as JSNumber).toDartDouble.toString();
  if (isA<JSBoolean>()) return (this as JSBoolean).toDart.toString();
  return null;
}