Function setZIndex

core/src/utils/transition/index.ts:285–296

(
  enteringEl: HTMLElement | undefined,
  leavingEl: HTMLElement | undefined,
  direction: NavDirection | undefined
)

};

const setZIndex = (
  enteringEl: HTMLElement | undefined,
  leavingEl: HTMLElement | undefined,
  direction: NavDirection | undefined
) => {
  if (enteringEl !== undefined) {
    enteringEl.style.zIndex = direction === 'back' ? '99' : '101';
  }
  if (leavingEl !== undefined) {
    leavingEl.style.zIndex = '100';
  }
};

/**
 * Add a class to ensure that the header (if any)