@shopgate/pwa-common/actions/router/historyPopToRoute.js

Common library for the Shopgate Connect PWA.

import { historyPop } from "./historyPop";
import { mutable } from "../../helpers/redux";
import { getRouterStackIndex, makeGetPrevRouteIndexByPattern } from "../../selectors/router";

/**
 * @mixes {MutableFunction}
 * @param {Object} [params={}] The history params.
 * @return {Function} The dispatched action.
 */
export const historyPopToRoute = mutable(({
  pattern,
  routeId
}) => (dispatch, getState) => {
  const state = getState();
  const getPrevRouteIndexByPatternCart = makeGetPrevRouteIndexByPattern(pattern);
  const nextRouteIndex = getPrevRouteIndexByPatternCart(state, {
    routeId
  });
  const currentRouteIndex = getRouterStackIndex(state, {
    routeId
  });
  if (currentRouteIndex === null || nextRouteIndex === null || nextRouteIndex === -1) {
    dispatch(historyPop());
  } else {
    const steps = currentRouteIndex - nextRouteIndex;
    dispatch(historyPop({
      steps
    }));
  }
});