Method writeNavStateRoot

core/src/components/router/router.tsx:254–287

(
    segments: string[] | null,
    direction: RouterDirection,
    animation?: AnimationBuilder
  )

  }

  private async writeNavStateRoot(
    segments: string[] | null,
    direction: RouterDirection,
    animation?: AnimationBuilder
  ): Promise<boolean> {
    if (!segments) {
      printIonError('[ion-router] - URL is not part of the routing set.');
      return false;
    }

    // lookup redirect rule
    const redirects = readRedirects(this.el);
    const redirect = findRouteRedirect(segments, redirects);

    let redirectFrom: string[] | null = null;

    if (redirect) {
      const { segments: toSegments, queryString, fragment } = redirect.to!;
      this.setSegments(toSegments, direction, queryString, fragment);
      redirectFrom = redirect.from;
      segments = toSegments;
    }

    // lookup route chain
    const routes = readRoutes(this.el);
    const chain = findChainForSegments(segments, routes);
    if (!chain) {
      printIonError('[ion-router] - The path does not match any route.');
      return false;
    }

    // write DOM give
    return this.safeWriteNavState(document.body, chain, direction, segments, redirectFrom, 0, animation);
  }

  private async safeWriteNavState(
    node: HTMLElement | undefined,