addControl method

@override void addControl(NgControl dir)

Add a control if it isn't already found in the container.

Implementation

@override
void addControl(NgControl dir) {
  var container = findContainer(dir.path!)!;
  var ctrl = container.find(dir.name);
  if (ctrl == null) {
    ctrl = Control();
    container.addControl(dir.name, ctrl);
  }

  // Binding values may change of of directive due to adding control value.
  // Perform the update in the next event loop.
  scheduleMicrotask(() {
    setUpControl(ctrl as Control, dir);
    ctrl.updateValueAndValidity(emitEvent: false);
    changeDetectorRef.markForCheck();
  });
}