waitForElementToBeRemoved

Future<void> waitForElementToBeRemoved(

  1. DomNode? callback(), {

  2. Duration timeout = const Duration(seconds: 1),
  3. Duration interval = const Duration(milliseconds: 50),
})

Waits for an element to be removed from the DOM.

Implementation

Future<void> waitForElementToBeRemoved(
  DomNode? Function() callback, {
  Duration timeout = const Duration(seconds: 1),
  Duration interval = const Duration(milliseconds: 50),
}) async {
  final initial = callback();
  if (initial == null) {
    throw TestingLibraryException(
      'Element not found initially. waitForElementToBeRemoved requires the '
      'element to be present before waiting for removal.',
    );
  }

final deadline = DateTime.now().add(timeout);


while (DateTime.now().isBefore(deadline)) {
if (callback() == null) return;
await Future<void>.delayed(interval);
}


throw TestingLibraryException('Timed out waiting for element to be removed.');
}