Method writeNavState

core/src/components/router/router.tsx:356–385

(
    node: HTMLElement | undefined,
    chain: RouteChain,
    direction: RouterDirection,
    segments: string[],
    redirectFrom: string[] | null,
    index = 0,
    animation?: AnimationBuilder
  )

  }

  private async writeNavState(
    node: HTMLElement | undefined,
    chain: RouteChain,
    direction: RouterDirection,
    segments: string[],
    redirectFrom: string[] | null,
    index = 0,
    animation?: AnimationBuilder
  ): Promise<boolean> {
    if (this.busy) {
      printIonWarning('[ion-router] - Router is busy, transition was cancelled.');
      return false;
    }
    this.busy = true;

    // generate route event and emit will change
    const routeEvent = this.routeChangeEvent(segments, redirectFrom);
    if (routeEvent) {
      this.ionRouteWillChange.emit(routeEvent);
    }

    const changed = await writeNavState(node, chain, direction, index, false, animation);
    this.busy = false;

    // emit did change
    if (routeEvent) {
      this.ionRouteDidChange.emit(routeEvent);
    }
    return changed;
  }

  private setSegments(segments: string[], direction: RouterDirection, queryString?: string, fragment?: string) {
    this.state++;