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umbrix/lib/data/repository/exception_handlers.dart

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2023-07-06 17:18:41 +03:30
import 'package:fpdart/fpdart.dart';
import 'package:hiddify/utils/utils.dart';
import 'package:rxdart/rxdart.dart';
mixin ExceptionHandler implements LoggerMixin {
TaskEither<F, R> exceptionHandler<F, R>(
Future<Either<F, R>> Function() run,
F Function(Object error, StackTrace stackTrace) onError,
) {
return TaskEither(
() async {
try {
return await run();
} catch (error, stackTrace) {
return Left(onError(error, stackTrace));
}
},
);
}
}
extension StreamExceptionHandler<R extends Object?> on Stream<R> {
Stream<Either<F, R>> handleExceptions<F>(
F Function(Object error, StackTrace stackTrace) onError,
) {
return map(right<F, R>).onErrorReturnWith(
(error, stackTrace) {
return Left(onError(error, stackTrace));
},
);
}
}