clear method

@override Future<bool?> clear()

Clears data.

Implementation

@override
Future<bool?> clear() async {
  if (isLocalStorageSupported()) {
    for (var key in window.localStorage.keys) {
      if (key.startsWith(namespace)) {
        removeLocal(key);
      }
    }
  } else {
    String? cookie = document.cookie;
    if (cookie != null && cookie.isNotEmpty) {
      List<String> cookies = cookie.split(';');
      for (String cookieValue in cookies) {
        List<String> parts = cookieValue.trim().split('=');
        if (parts[0].startsWith(namespace)) {
          String key = parts[0];
          document.cookie =
              '$key=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/';
        }
      }
    }
  }
  return true;
}