@shopgate/engage/user/selectors/login.js

Shopgate's ENGAGE library.

import { createSelector } from 'reselect';
import { getLoginData } from '@shopgate/pwa-common/selectors/user';

/**
 * Creates a selector that retrieves the login strategy for logged in users.
 * @returns {Function}
 */
export function makeGetLoginStrategy() {
  /**
   * Retrieves the login strategy for logged in users. If the user isn't logged in, it returns null.
   * @returns {string|null}
   */
  return createSelector(getLoginData, login => {
    if (!login || !login.strategy) {
      return null;
    }
    return login.strategy;
  });
}