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

Tracking library for the Shopgate Connect PWA.

import { createSelector } from 'reselect';
import { getSortOrder, getSearchPhrase } from '@shopgate/engage/core/selectors';
import { generateResultHash } from '@shopgate/engage/core/helpers';
import { getFulfillmentParams } from '@shopgate/pwa-common-commerce/product';

/**
 * Selects the container for search results.
 * @param {Object} state The current state.
 * @returns {Object} The search results.
 */
const resultsSelector = state => state.product.resultsByHash;

/**
 * Selects the product count for a search result.
 * @param {Object} state The current state.
 * @returns {number} The total product count.
 */
const resultCountSelector = createSelector(getSearchPhrase, getSortOrder, resultsSelector, getFulfillmentParams, (searchPhrase, sort, results, fulfillmentParams) => {
  const hash = searchPhrase && generateResultHash({
    sort,
    searchPhrase,
    ...fulfillmentParams
  });
  if (!hash || !results[hash]) {
    return null;
  }
  return results[hash].totalResultCount;
});

/**
 * Selects the search information.
 * @param {Object} state The current state.
 * @returns {Object} The search information.
 */
export default createSelector(getSearchPhrase, resultCountSelector, (query, resultCount) => {
  if (!query && !resultCount) {
    return null;
  }
  return {
    query,
    resultCount
  };
});