Function searchNavNode

core/src/components/router/utils/dom.ts:217–226

(root: HTMLElement | undefined)

const OUTLET_SELECTOR = ':not([no-router]) ion-nav, :not([no-router]) ion-tabs, :not([no-router]) ion-router-outlet';

const searchNavNode = (root: HTMLElement | undefined): NavOutletElement | undefined => {
  if (!root) {
    return undefined;
  }
  if (root.matches(OUTLET_SELECTOR)) {
    return root as NavOutletElement;
  }
  const outlet = root.querySelector<NavOutletElement>(OUTLET_SELECTOR);
  return outlet ?? undefined;
};