clear method

@nonVirtual @override Future<void> clear([ Options? options ])

Completes with true once the storage for the app has been cleared.

Implementation

@nonVirtual
@override
Future<void> clear([Options? options]) {
  assert(_debugAssertNotDisposed());

  return _enqueueWritingTask(this, () async {
    final keys = (await _useStorage((s) => s.readAll(options))).keys;

    return await useStorageWithHandlers(
      (s) => s.clear(options),
      (_, __) {
        sendChange({for (final k in keys) k: KeyAndValue(k, null, Null)});

        if (_isLogEnabled) {
          _publishLog(ClearSuccessEvent(options));
        }
      },
      (error, _) {
        if (_isLogEnabled) {
          _publishLog(ClearFailureEvent(error, options));
        }
      },
    );
  });
}