Fix undo manager double types

src/dom_components/model/Component.js

@@ -220,7 +220,7 @@ const Component = Backbone.Model.extend(Styleable).extend(
       const um = em && em.get('UndoManager');
       const comps = this.components();
       if (um && !this.__hasUm) {
-        um.add(this);
+        // um.add(this);
         um.add(comps);
         this.__hasUm = 1;
       }
@@ -865,6 +865,7 @@ const Component = Backbone.Model.extend(Styleable).extend(
       const addChild = !this.opt.avoidChildren;
       this.set('components', comps);
       addChild &&
+        components &&
         comps.add(
           isFunction(components) ? components(this) : components,
           this.opt

src/undo_manager/index.js

@@ -106,34 +106,7 @@ export default () => {
           };
         }
       });
-      const customUndoType = {
-        on(object, value, opt = {}) {
-          !beforeCache && (beforeCache = object.previousAttributes());
-
-          if (hasSkip(opt)) {
-            return;
-          } else {
-            const result = {
-              object,
-              before: beforeCache,
-              after: object.toJSON({ keepSymbols: 1 })
-            };
-            beforeCache = null;
-            return result;
-          }
-        },
-
-        undo(model, bf, af, opt) {
-          model.set(bf);
-        },
-
-        redo(model, bf, af, opt) {
-          model.set(af);
-        }
-      };
 
-      const events = ['style', 'attributes', 'content', 'src'];
-      events.forEach(ev => um.addUndoType(`change:${ev}`, customUndoType));
       um.on('undo redo', () =>
         em.trigger('component:toggled change:canvasOffset')
       );

test/specs/editor/index.js

@@ -9,6 +9,7 @@ describe('Editor', () => {
   beforeEach(() => {
     editor = new Editor();
     editor.init();
+    editor.getModel().loadOnStart();
   });
 
   afterEach(() => {
@@ -24,7 +25,7 @@ describe('Editor', () => {
     const allKeys = keys(all);
     // By default 1 wrapper components is created
     expect(allKeys.length).toBe(initComps);
-    expect(allKeys[0]).toBe('wrapper');
+    expect(all[allKeys[0]].get('type')).toBe('wrapper');
   });
 
   test('Has no CSS rules', () => {
@@ -41,7 +42,7 @@ describe('Editor', () => {
     const wrapper = editor.getWrapper();
     const style = editor.getStyle();
     const frame = editor.Canvas.getFrame();
-    expect(wrapper).toBe(frame.get('root'));
+    expect(wrapper).toBe(frame.getComponent());
     expect(style).toBe(frame.get('styles'));
   });
 
@@ -72,7 +73,6 @@ describe('Editor', () => {
   });
 
   test('Components are correctly tracked with UndoManager', () => {
-    editor.Components.postLoad(); // Init UndoManager
     const all = editor.Components.allById();
     const um = editor.UndoManager;
     const umStack = um.getStack();
@@ -88,7 +88,6 @@ describe('Editor', () => {
   });
 
   test('Components are correctly tracked with UndoManager and mutiple operations', () => {
-    editor.Components.postLoad(); // Init UndoManager
     const all = editor.Components.allById();
     const um = editor.UndoManager;
     const umStack = um.getStack();
@@ -106,12 +105,11 @@ describe('Editor', () => {
       .components()
       .at(0)
       .remove(); // Remove 1 component
-    // UM registers 2 identical remove undoTypes as Backbone triggers remove from the
+
-    // collection and the model
+    expect(umStack.length).toBe(2);
-    expect(umStack.length).toBe(3);
     expect(keys(all).length).toBe(3 + initComps);
     wrapper.empty();
-    expect(umStack.length).toBe(4);
+    expect(umStack.length).toBe(3);
     expect(keys(all).length).toBe(initComps);
   });
 });