PB-225: Page builder JS and CSS files are not loading and going to 404

Author: davemacaulay

lib/web/mage/requirejs/static.js

@@ -2,13 +2,66 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+var storageShim = {
+    _data: {},
+
+    /**
+     * Sets value of the specified item.
+     *
+     * @param {String} key - Key of the property.
+     * @param {*} value - Properties' value.
+     */
+    setItem: function (key, value) {
+        'use strict';
+
+        this._data[key] = value + '';
+    },
+
+    /**
+     * Retrieves specified item.
+     *
+     * @param {String} key - Key of the property to be retrieved.
+     */
+    getItem: function (key) {
+        'use strict';
+
+        return this._data[key];
+    },
+
+    /**
+     * Removes specified item.
+     *
+     * @param {String} key - Key of the property to be removed.
+     */
+    removeItem: function (key) {
+        'use strict';
+
+        delete this._data[key];
+    },
+
+    /**
+     * Removes all items.
+     */
+    clear: function () {
+        'use strict';
+
+        this._data = {};
+    }
+};
+
 define('buildTools', [
 ], function () {
     'use strict';
 
-    var storage = window.localStorage,
+    var storage,
         storeName = 'buildDisabled';
 
+    try {
+        storage = window.localStorage;
+    } catch (e) {
+        storage = storageShim;
+    }
+
     return {
         isEnabled: storage.getItem(storeName) === null,
 
@@ -70,9 +123,15 @@ define('statistician', [
 ], function () {
     'use strict';
 
-    var storage     = window.localStorage,
+    var storage,
         stringify   = JSON.stringify.bind(JSON);
 
+    try {
+        storage = window.localStorage;
+    } catch (e) {
+        storage = storageShim;
+    }
+
     /**
      * Removes duplicated entries of array, returning new one.
      *
@@ -326,4 +385,4 @@ define('text', [
     };
 
     return text;
-});
+});