getParentDirectory static method

String? getParentDirectory(
  1. String path
)

converts /a/b/file.json to b

Implementation

static String? getParentDirectory(String path) {
  final segments = path.replaceAll('\\', '/').split('/');
  if (segments.length == 1) {
    return null;
  }
  return segments[segments.length - 2];
}