make Karma test IE11 compatible

Author: theKashey

_tests/karma.js

@@ -1,3 +1,4 @@
+require('babel-polyfill');
 require.context(".", true, /.js$/);
 require('../webpack/interceptor')
 

package.json

@@ -13,7 +13,7 @@
     "test:ci": "npm run test:cov && npm run test:report && codecov",
     "test:pick": "BABEL_ENV=cjs mocha --compilers js:babel-core/register",
     "test:karma": "node ./node_modules/karma/bin/karma start --single-run --browsers PhantomJS",
-    "test:browser": "node ./node_modules/karma/bin/karma start --browsers Chrome",
+    "test:browser": "BABEL_ENV=cjs node ./node_modules/karma/bin/karma start --browsers Chrome",
     "test:webpack": "webpack ./_tests/karma.js ./_tests/bundle.js && mocha --compilers js:babel-core/register ./_tests/bundle.js",
     "test:jest": "NODE_ENV=cjs jest",
     "build": "npm run build5 && npm run build6",
@@ -84,9 +84,11 @@
     "babel-core": "^6.24.1",
     "babel-eslint": "^8.2.3",
     "babel-jest": "^23.0.0",
+    "babel-loader": "7",
     "babel-plugin-dynamic-import-node": "^1.0.2",
     "babel-plugin-syntax-dynamic-import": "^6.18.0",
     "babel-plugin-transform-object-rest-spread": "^6.23.0",
+    "babel-polyfill": "^6.26.0",
     "babel-preset-env": "1.7.0",
     "babel-register": "6.26.0",
     "chai": "^4.1.2",

webpack.config.js

@@ -3,6 +3,15 @@ const mockPlugin = require("./webpack/plugin");
 
 module.exports = {
   mode: "development",
+  module: {
+    rules: [
+      {
+        test: /\.js$/,
+        exclude: /(node_modules|bower_components)/,
+        use: ['babel-loader']
+      }
+    ],
+  },
   // webpack configuration
   plugins: [
     new webpack.NamedModulesPlugin(),

yarn.lock

@@ -946,6 +946,15 @@ babel-jest@^23.0.0, babel-jest@^23.2.0:
     babel-plugin-istanbul "^4.1.6"
     babel-preset-jest "^23.2.0"
 
+babel-loader@7:
+  version "7.1.5"
+  resolved "https://registry.yarnpkg.com/babel-loader/-/babel-loader-7.1.5.tgz#e3ee0cd7394aa557e013b02d3e492bfd07aa6d68"
+  integrity sha512-iCHfbieL5d1LfOQeeVJEUyD9rTwBcP/fcEbRCfempxTDuqrKpu0AZjLAQHEQa3Yqyj9ORKe2iHfoj4rHLf7xpw==
+  dependencies:
+    find-cache-dir "^1.0.0"
+    loader-utils "^1.0.2"
+    mkdirp "^0.5.1"
+
 babel-messages@^6.23.0:
   version "6.23.0"
   resolved "https://registry.yarnpkg.com/babel-messages/-/babel-messages-6.23.0.tgz#f3cdf4703858035b2a2951c6ec5edf6c62f2630e"
@@ -5196,7 +5205,7 @@ loader-runner@^2.3.0:
   resolved "https://registry.yarnpkg.com/loader-runner/-/loader-runner-2.3.0.tgz#f482aea82d543e07921700d5a46ef26fdac6b8a2"
   integrity sha1-9IKuqC1UPgeSFwDVpG7yb9rGuKI=
 
-loader-utils@^1.0.0, loader-utils@^1.1.0:
+loader-utils@^1.0.0, loader-utils@^1.0.2, loader-utils@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-1.1.0.tgz#c98aef488bcceda2ffb5e2de646d6a754429f5cd"
   integrity sha1-yYrvSIvM7aL/teLeZG1qdUQp9c0=