Function setHeaderTransitionClass

core/src/utils/transition/index.ts:319–330

(header: HTMLElement | null, isTransitioning: boolean)

 * @param isTransitioning Whether the transition is occurring.
 */
const setHeaderTransitionClass = (header: HTMLElement | null, isTransitioning: boolean) => {
  if (!header) {
    return;
  }

  const transitionClass = 'header-transitioning';
  if (isTransitioning) {
    header.classList.add(transitionClass);
  } else {
    header.classList.remove(transitionClass);
  }
};

export const getIonPageElement = (element: HTMLElement) => {
  if (element.classList.contains('ion-page')) {