@shopgate/engage/core/streams/app.js

Shopgate's ENGAGE library.

import { Observable } from 'rxjs/Observable';
import { ACTION_RESET } from '@virtuous/conductor';
import { main$ } from '@shopgate/pwa-common/streams/main';
import { routeDidEnter$ } from '@shopgate/pwa-common/streams';
import { routeDidEnter } from '@shopgate/pwa-common/action-creators';
import { getRouterStack } from '@shopgate/engage/core/selectors';
import { RELOAD_APP } from "../constants";
import { historyReset } from "../actions";

/**
 * Gets triggered when the app is supposed to be reloaded
 * @type {Observable}
 */
export const reloadApp$ = main$.filter(({
  action
}) => action.type === RELOAD_APP).switchMap(params => {
  const {
    dispatch,
    getState
  } = params;
  const [initialRoute, ...otherRoutes] = getRouterStack(getState());
  if (!otherRoutes.length) {
    // When the initial route is the only route inside the router stack, routeDidEnter$ will
    // not always be triggered, so just simulate it here.
    return Observable.of({
      ...params,
      action: routeDidEnter(initialRoute, ACTION_RESET)
    });
  }

  // The PWA can't be reloaded on any route, so we first need to reset to the first history entry
  dispatch(historyReset());
  return routeDidEnter$
  // Emit when initial route is reached
  .filter(({
    action
  }) => action.route.id === initialRoute?.id);
});