message: fix(router): invalidate ongoing navigation when unmounting
diff: @@ -923,7 +923,7 @@ export function createRouter(options: RouterOptions): Router {
  markAsReady()
  }
  - let removeHistoryListener: () => void
  + let removeHistoryListener: () => void | undefined
  // attach listener to history to trigger navigations
  function setupListeners() {
  removeHistoryListener = routerHistory.listen((to, _from, info) => {
  @@ -1195,8 +1195,11 @@ export function createRouter(options: RouterOptions): Router {
  installedApps.add(app)
  app.unmount = function () {
  installedApps.delete(app)
  + // the router is not attached to an app anymore
  if (installedApps.size < 1) {
  - removeHistoryListener()
  + // invalidate the current navigation
  + pendingLocation = START_LOCATION_NORMALIZED
  + removeHistoryListener && removeHistoryListener()
  currentRoute.value = START_LOCATION_NORMALIZED
  started = false
  ready = false
  