createDomService function

@Injectable.new() DomService createDomService(@Optional.new() @SkipSelf.new() DomService service, @Optional.new() Disposer disposer, NgZone zone, Window window,)

Implementation

@Injectable()
DomService createDomService(@Optional() @SkipSelf() DomService service,
    @Optional() Disposer disposer, NgZone zone, Window window) {
  // If DomService was bound higher up the tree use that instance. This allows
  // an application to override the service at root.
  if (service != null) return service;

  if (_singletonService != null) return _singletonService!;

  _singletonService = DomService(zone, window);

  createDomServiceWebdriverTestability(_singletonService!).register();

  disposer?.addFunction(() {
    _singletonService = null;
  });
  return _singletonService!;
}