Add es6 shim

dist/client/preview/index.js

@@ -5,6 +5,8 @@ Object.defineProperty(exports, "__esModule", {
 });
 exports.configure = exports.linkTo = exports.action = exports.storiesOf = undefined;
 
+require('es6-shim');
+
 var _story_store = require('./story_store');
 
 var _story_store2 = _interopRequireDefault(_story_store);

package.json

@@ -23,28 +23,29 @@
   "dependencies": {
     "@kadira/storybook-core": "^1.26.0",
     "airbnb-js-shims": "^1.0.0",
+    "babel-core": "^6.3.15",
+    "babel-loader": "^6.2.0",
+    "babel-polyfill": "^6.3.15",
+    "babel-preset-es2015": "^6.3.13",
+    "babel-preset-react": "^6.3.13",
+    "babel-preset-stage-0": "^6.3.13",
     "babel-runtime": "^6.3.14",
     "cjson": "^0.4.0",
     "commander": "^2.9.0",
+    "es6-shim": "^0.35.1",
     "express": "^4.13.3",
     "json-stringify-safe": "^5.0.1",
+    "keycode": "^2.1.1",
     "page-bus": "^3.0.1",
+    "qs": "^6.1.0",
     "redbox-react": "^1.2.2",
-    "uuid": "^2.0.1",
-    "shelljs": "^0.6.0",
     "redux": "^3.5.2",
+    "shelljs": "^0.6.0",
+    "stack-source-map": "^1.0.5",
+    "uuid": "^2.0.1",
     "webpack": "^1.12.11",
-    "keycode": "^2.1.1",
     "webpack-dev-middleware": "^1.6.0",
-    "webpack-hot-middleware": "^2.10.0",
-    "stack-source-map": "^1.0.5",
-    "babel-core": "^6.3.15",
-    "babel-loader": "^6.2.0",
-    "babel-polyfill": "^6.3.15",
-    "babel-preset-es2015": "^6.3.13",
-    "babel-preset-react": "^6.3.13",
-    "babel-preset-stage-0": "^6.3.13",
-    "qs": "^6.1.0"
+    "webpack-hot-middleware": "^2.10.0"
   },
   "peerDependencies": {
     "react": "^0.14.7 || ^15.0.0",

src/client/manager/index.js

@@ -1,3 +1,4 @@
+import 'es6-shim';
 import { createStore, combineReducers } from 'redux';
 import { createApp } from 'mantra-core';
 import buildContext from './configs/context.js';

src/client/preview/index.js

@@ -1,3 +1,4 @@
+import 'es6-shim';
 import StoryStore from './story_store';
 import PageBus from './page_bus';
 import ClientApi from './client_api';