@shopgate/pwa-tracking/selectors/category.js

Tracking library for the Shopgate Connect PWA.

import { createSelector } from 'reselect';
import { hex2bin } from '@shopgate/engage/core/helpers';
import { makeGetRouteParam, makeGetRoutePattern } from '@shopgate/engage/core/selectors';
import { CATEGORY_PATTERN, ROOT_CATEGORY_PATTERN } from '@shopgate/engage/category/constants';
import { getRootCategories, getCategory } from '@shopgate/engage/category/selectors';
import { createCategoryData, createRootCategoryData } from "../helpers";

/**
 * Creates a selector that retrieves a formatted category for the current route.
 * @returns {Function}
 */
export const makeGetRouteCategory = () => {
  const getRoutePattern = makeGetRoutePattern();
  const getCategoryIdRouteParam = makeGetRouteParam('categoryId');
  return createSelector(state => state, getRoutePattern, getCategoryIdRouteParam, getRootCategories, (state, pattern, categoryId, rootCategories) => {
    const decodedCategoryId = categoryId ? hex2bin(categoryId) : null;
    if (pattern === ROOT_CATEGORY_PATTERN) {
      return createRootCategoryData(rootCategories);
    }
    if (pattern === CATEGORY_PATTERN && decodedCategoryId) {
      return createCategoryData(getCategory(state, {
        categoryId: decodedCategoryId
      }));
    }
    return null;
  });
};