Start using noUndo option instead of avoidStore in UndoManager

src/undo_manager/index.js

@@ -34,6 +34,7 @@ export default () => {
   const configDef = {
     maximumStackLength: 500
   };
+  const hasSkip = opts => opts.avoidStore || opts.noUndo;
 
   return {
     name: 'UndoManager',
@@ -51,7 +52,7 @@ export default () => {
       um.changeUndoType('change', { condition: false });
       um.changeUndoType('add', {
         on(model, collection, options = {}) {
-          if (options.avoidStore) return;
+          if (hasSkip(options)) return;
           return {
             object: collection,
             before: undefined,
@@ -62,7 +63,7 @@ export default () => {
       });
       um.changeUndoType('remove', {
         on(model, collection, options = {}) {
-          if (options.avoidStore) return;
+          if (hasSkip(options)) return;
           return {
             object: collection,
             before: model,
@@ -75,7 +76,7 @@ export default () => {
         on(object, value, opt = {}) {
           !beforeCache && (beforeCache = object.previousAttributes());
 
-          if (opt.avoidStore) {
+          if (hasSkip(opt)) {
             return;
           } else {
             const result = {