magento-test/app/code/Magento/Theme/view/frontend/requirejs-config.js

/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */

var config = {
    map: {
        '*': {
            'rowBuilder':             'Magento_Theme/js/row-builder',
            'toggleAdvanced':         'mage/toggle',
            'translateInline':        'mage/translate-inline',
            'sticky':                 'mage/sticky',
            'tabs':                   'mage/tabs',
            'collapsible':            'mage/collapsible',
            'dropdownDialog':         'mage/dropdown',
            'dropdown':               'mage/dropdowns',
            'accordion':              'mage/accordion',
            'loader':                 'mage/loader',
            'tooltip':                'mage/tooltip',
            'deletableItem':          'mage/deletable-item',
            'itemTable':              'mage/item-table',
            'fieldsetControls':       'mage/fieldset-controls',
            'fieldsetResetControl':   'mage/fieldset-controls',
            'redirectUrl':            'mage/redirect-url',
            'loaderAjax':             'mage/loader',
            'menu':                   'mage/menu',
            'popupWindow':            'mage/popup-window',
            'validation':             'mage/validation/validation',
            'breadcrumbs':            'Magento_Theme/js/view/breadcrumbs',
            'jquery/ui':              'jquery/compat',
            'cookieStatus':           'Magento_Theme/js/cookie-status'
        }
    },
    deps: [
        'mage/common',
        'mage/dataPost',
        'mage/bootstrap'
    ],
    config: {
        mixins: {
            'Magento_Theme/js/view/breadcrumbs': {
                'Magento_Theme/js/view/add-home-breadcrumb': true
            }
        }
    }
};

/* eslint-disable max-depth */
/**
 * Adds polyfills only for browser contexts which prevents bundlers from including them.
 */
if (typeof window !== 'undefined' && window.document) {
    /**
     * Polyfill localStorage and sessionStorage for browsers that do not support them.
     */
    try {
        if (!window.localStorage || !window.sessionStorage) {
            throw new Error();
        }

        localStorage.setItem('storage_test', 1);
        localStorage.removeItem('storage_test');
    } catch (e) {
        config.deps.push('mage/polyfill');
    }
}
/* eslint-enable max-depth */