Add the possibility to disable StorageManger with `storageManager: false`

src/editor/index.js

@@ -95,15 +95,14 @@
  */
 import $ from 'cash-dom';
 
-export default config => {
-  var c = config || {},
-    defaults = require('./config/config'),
-    EditorModel = require('./model/Editor'),
-    EditorView = require('./view/EditorView');
-
-  for (var name in defaults) {
-    if (!(name in c)) c[name] = defaults[name];
-  }
+export default (config = {}) => {
+  const defaults = require('./config/config');
+  const EditorModel = require('./model/Editor');
+  const EditorView = require('./view/EditorView');
+  const c = {
+    ...defaults,
+    ...config
+  };
 
   c.pStylePrefix = c.stylePrefix;
   var em = new EditorModel(c);

src/editor/model/Editor.js

@@ -173,18 +173,23 @@ module.exports = Backbone.Model.extend({
    * @private
    */
   loadModule(moduleName) {
-    var c = this.config;
-    var Mod = new moduleName();
-    var name = Mod.name.charAt(0).toLowerCase() + Mod.name.slice(1);
-    var cfg = c[name] || c[Mod.name] || {};
-    cfg.pStylePrefix = c.pStylePrefix || '';
+    const { config } = this;
+    const Mod = new moduleName();
+    const name = Mod.name.charAt(0).toLowerCase() + Mod.name.slice(1);
+    const cfgParent = !isUndefined(config[name])
+      ? config[name]
+      : config[Mod.name];
+    const cfg = cfgParent || {};
+    const sm = this.get('StorageManager');
+    cfg.pStylePrefix = config.pStylePrefix || '';
 
-    // Check if module is storable
-    var sm = this.get('StorageManager');
+    if (!isUndefined(cfgParent) && !cfgParent) {
+      cfg._disable = 1;
+    }
 
     if (Mod.storageKey && Mod.store && Mod.load && sm) {
       cfg.stm = sm;
-      var storables = this.get('storables');
+      const storables = this.get('storables');
       storables.push(Mod);
       this.set('storables', storables);
     }

src/storage_manager/index.js

@@ -71,14 +71,10 @@ module.exports = () => {
      * }
      * ...
      */
-    init(config) {
-      c = config || {};
+    init(config = {}) {
+      c = { ...defaults, ...config };
       em = c.em;
-
-      for (var name in defaults) {
-        if (!(name in c)) c[name] = defaults[name];
-      }
-
+      if (c._disable) c.type = 0;
       defaultStorages.remote = new RemoteStorage(c);
       defaultStorages.local = new LocalStorage(c);
       c.currentStorage = c.type;