add js/ie11-polyfill entry

config/webpack.common.js

@@ -26,6 +26,7 @@ module.exports = (options) => {
       'js/legacy-admin':          './resource/js/legacy/crowi-admin',
       'js/legacy-presentation':   './resource/js/legacy/crowi-presentation',
       'js/plugin':                './resource/js/plugin',
+      'js/ie11-polyfill':         './resource/js/ie11-polyfill',
       // styles
       'styles/style':                './resource/styles/scss/style.scss',
       'styles/style-presentation':   './resource/styles/scss/style-presentation.scss',
@@ -146,7 +147,7 @@ module.exports = (options) => {
           vendors: {
             test: /node_modules/,
             chunks: (chunk) => {
-              return chunk.name !== 'legacy-presentation';
+              return chunk.name != null && !chunk.name.match(/legacy-presentation|ie11-polyfill/);
             },
             name: 'js/vendors',
             // minChunks: 2,

lib/views/layout/layout.html

@@ -16,17 +16,17 @@
 
   {{ customHeader() }}
 
-
   <!-- polyfills for IE11 -->
   <script>
     var userAgent = window.navigator.userAgent.toLowerCase();
     if (userAgent.indexOf('msie') != -1 || userAgent.indexOf('trident') != -1) {
       var scriptElement = document.createElement('script');
-      scriptElement.src = 'https://cdnjs.cloudflare.com/ajax/libs/babel-polyfill/6.23.0/polyfill.min.js';
+      scriptElement.src = '{{ webpack_asset("js/ie11-polyfill.js") }}';
       var headElement = document.getElementsByTagName('head')[0];
       headElement.appendChild(scriptElement);
     }
   </script>
+
   <!-- jQuery, emojione, bootstrap -->
   <script src="https://cdn.jsdelivr.net/combine/npm/emojione@3.1.2,npm/jquery@3.3.1,npm/bootstrap@3.3.7/dist/js/bootstrap.min.js"></script>
   <!-- highlight.js -->

package.json

@@ -114,6 +114,7 @@
     "babel-core": "^6.25.0",
     "babel-loader": "^7.1.1",
     "babel-plugin-lodash": "^3.3.2",
+    "babel-polyfill": "^6.26.0",
     "babel-preset-env": "^1.6.0",
     "babel-preset-react": "^6.24.1",
     "bootstrap-sass": "~3.3.6",
@@ -157,6 +158,7 @@
     "morgan": "^1.9.0",
     "node-dev": "^3.1.3",
     "node-sass": "^4.5.0",
+    "nodelist-foreach-polyfill": "^1.2.0",
     "normalize-path": "^3.0.0",
     "null-loader": "^0.1.1",
     "on-headers": "^1.0.1",

resource/js/ie11-polyfill.js

@@ -0,0 +1,2 @@
+import 'nodelist-foreach-polyfill';
+import 'babel-polyfill';