@shopgate/pwa-common-commerce/product/reducers/descriptionsByProductId.js

Commerce library for the Shopgate Connect PWA.

import "core-js/modules/es.array.reduce.js";
import { PRODUCT_LIFETIME, REQUEST_PRODUCT_DESCRIPTION, RECEIVE_PRODUCT_DESCRIPTION, ERROR_PRODUCT_DESCRIPTION, EXPIRE_PRODUCT_DATA } from "../constants";

/**
 * Stores product descriptions by their product ID.
 * @param {Object} [state={}] The current state.
 * @param {Object} action The action object.
 * @return {Object} The new state.
 */
export default function descriptionsByProductId(state = {}, action = {}) {
  switch (action.type) {
    case REQUEST_PRODUCT_DESCRIPTION:
      return {
        ...state,
        [action.productId]: {
          ...state[action.productId],
          isFetching: true,
          expires: 0
        }
      };
    case RECEIVE_PRODUCT_DESCRIPTION:
      return {
        ...state,
        [action.productId]: {
          ...state[action.productId],
          description: action.description,
          isFetching: false,
          expires: Date.now() + PRODUCT_LIFETIME
        }
      };
    case ERROR_PRODUCT_DESCRIPTION:
      return {
        ...state,
        [action.productId]: {
          ...state[action.productId],
          isFetching: false
        }
      };
    // Mark all product descriptions as expired when action is dispatched with
    // the "description" scope
    case EXPIRE_PRODUCT_DATA:
      {
        if (Array.isArray(action.scopes) && action.scopes.includes('description')) {
          // Expire all descriptions
          return Object.keys(state).reduce((acc, productId) => {
            acc[productId] = {
              ...state[productId],
              expires: 0
            };
            return acc;
          }, {});
        }
        return state;
      }
    default:
      return state;
  }
}