Merge pull request openshift#2140 from ggreer/ie11

Get console to load in IE11

README.md

@@ -247,3 +247,14 @@ Update existing frontend dependencies:
 ```
 yarn upgrade <package@version>
 ```
+
+
+#### Supported Browsers
+
+We support the latest versions of the following browsers:
+
+- Edge
+- Chrome
+- Safari
+- Firefox
+- TODO: IE 11. Needs polyfills. Also, IE 11 can't open more than 6 websockets.

frontend/package.json

@@ -52,6 +52,7 @@
   "dependencies": {
     "brace": "0.11.x",
     "classnames": "2.x",
+    "core-js": "2.x",
     "file-saver": "1.3.x",
     "font-awesome": "4.7.x",
     "fuzzysearch": "1.0.x",

frontend/polyfills.js

@@ -0,0 +1,8 @@
+// Polyfills. Mostly for IE11
+import 'core-js/es6/map';
+import 'core-js/es6/promise';
+import 'core-js/fn/string/includes';
+import 'core-js/fn/string/starts-with';
+import 'core-js/fn/array/find';
+import 'core-js/fn/object/assign';
+import 'core-js/es6/reflect';

frontend/webpack.config.ts

@@ -14,9 +14,10 @@ const gitHash = () => require('child_process').execSync('git rev-parse --short H
 const extractSass = new ExtractTextPlugin({filename: 'app-bundle.css'});
 
 let config: webpack.Configuration = {
-  entry: {
-    app:  './public/components/app.jsx',
-  },
+  entry: [
+    './polyfills.js',
+    './public/components/app.jsx',
+  ],
   output: {
     path: path.resolve(__dirname, 'public/dist'),
     publicPath: 'static/',

frontend/yarn.lock

@@ -1613,14 +1613,14 @@ copy-descriptor@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
 
+core-js@2.x, core-js@^2.0.0, core-js@^2.4.0, core-js@^2.5.0:
+  version "2.5.3"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.3.tgz#8acc38345824f16d8365b7c9b4259168e8ed603e"
+
 core-js@^1.0.0:
   version "1.2.7"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-1.2.7.tgz#652294c14651db28fa93bd2d5ff2983a4f08c636"
 
-core-js@^2.0.0, core-js@^2.4.0, core-js@^2.5.0:
-  version "2.5.3"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.3.tgz#8acc38345824f16d8365b7c9b4259168e8ed603e"
-
 core-js@~2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.3.0.tgz#fab83fbb0b2d8dc85fa636c4b9d34c75420c6d65"