List _eventsBasedOnFileSystem()

in lib/src/directory_watcher/windows.dart [330:369]
33 lines of code
9 McCabe index (conditional complexity)

  List<FileSystemEvent> _eventsBasedOnFileSystem(String path) {
    var fileExisted = _files.contains(path);
    var dirExisted = _files.containsDir(path);

    bool fileExists;
    bool dirExists;
    try {
      fileExists = File(path).existsSync();
      dirExists = Directory(path).existsSync();
    } on FileSystemException {
      return const <FileSystemEvent>[];
    }

    var events = <FileSystemEvent>[];
    if (fileExisted) {
      if (fileExists) {
        events.add(ConstructableFileSystemModifyEvent(path, false, false));
      } else {
        events.add(ConstructableFileSystemDeleteEvent(path, false));
      }
    } else if (dirExisted) {
      if (dirExists) {
        // If we got contradictory events for a directory that used to exist and
        // still exists, we need to rescan the whole thing in case it was
        // replaced with a different directory.
        events.add(ConstructableFileSystemDeleteEvent(path, true));
        events.add(ConstructableFileSystemCreateEvent(path, true));
      } else {
        events.add(ConstructableFileSystemDeleteEvent(path, true));
      }
    }

    if (!fileExisted && fileExists) {
      events.add(ConstructableFileSystemCreateEvent(path, false));
    } else if (!dirExisted && dirExists) {
      events.add(ConstructableFileSystemCreateEvent(path, true));
    }

    return events;
  }