Fix karma

Author: wooorm

.babelrc

@@ -0,0 +1,5 @@
+{
+  "presets": [
+    ["@babel/env"]
+  ]
+}

babel.config.js

@@ -1,13 +1,12 @@
 const babel = require('rollup-plugin-babel');
-const { default: babelrc } = require('babelrc-rollup');
 const commonjs = require('rollup-plugin-commonjs');
 const resolve = require('rollup-plugin-node-resolve');
 
 module.exports = function karmaConfig(config) {
   config.set({
     frameworks: ['jasmine'],
     files: [
-      'src/index.test.js',
+      { pattern: 'src/index.test.js', watched: false },
     ],
     preprocessors: {
       '**/*.test.js': ['rollup'],
@@ -24,7 +23,12 @@ module.exports = function karmaConfig(config) {
           extensions: ['.mjs', '.js', '.json', '.node'],
         }),
         commonjs(),
-        babel(babelrc()),
+        babel({
+          presets: [
+            ['@babel/preset-env', { modules: false }],
+          ],
+          babelrc: false,
+        }),
       ],
     },
     reporters: ['mocha'],

karma.conf.js

@@ -23,11 +23,11 @@
   },
   "devDependencies": {
     "@babel/core": "^7.4.5",
+    "@babel/plugin-external-helpers": "^7.0.0",
     "@babel/preset-env": "^7.4.5",
+    "babel-core": "^7.0.0-bridge.0",
     "babel-eslint": "^10.0.0",
-    "babel-jest": "^24.0.0",
-    "babel-plugin-external-helpers": "^6.0.0",
-    "babelrc-rollup": "^3.0.0",
+    "babel-jest": "^23.4.2",
     "bowser": "^2.0.0",
     "eslint": "^5.0.0",
     "eslint-config-airbnb-base": "^13.0.0",
@@ -44,7 +44,7 @@
     "karma-rollup-preprocessor": "^7.0.0",
     "karma-safari-launcher": "^1.0.0",
     "rollup": "^1.0.0",
-    "rollup-plugin-babel": "^4.0.0",
+    "rollup-plugin-babel": "^4.0.1",
     "rollup-plugin-commonjs": "^10.0.0",
     "rollup-plugin-node-resolve": "^5.0.0"
   },