Added Babel

.babelrc

@@ -0,0 +1,14 @@
+{
+  "presets": [
+    [
+      "@babel/env",
+      {
+        "targets": {
+          "browsers": "last 2 Chrome versions",
+          "node": "current"
+        }
+      }
+    ]
+  ],
+  "plugins": [["transform-object-rest-spread", { "useBuiltIns": true }]]
+}

build/start.js

@@ -8,24 +8,7 @@ const compiler = webpack(config(env));
 let electronStarted = false;
 
 const watching = compiler.watch({}, (err, stats) => {
-  if (err) {
-    console.error(err.stack || err);
-    if (err.details) {
-      console.error(err.details);
-    }
-    return;
-  }
-
-  console.log(
-    stats.toString({
-      colors: true,
-      hash: false,
-      version: false,
-      timings: false
-    })
-  );
-
-  if (!stats.hasErrors() && !electronStarted) {
+  if (!err && !stats.hasErrors() && !electronStarted) {
     electronStarted = true;
 
     childProcess

build/webpack.base.config.js

@@ -18,6 +18,11 @@ module.exports = env => {
     devtool: "source-map",
     module: {
       rules: [
+        {
+          test: /\.js$/,
+          exclude: /node_modules/,
+          use: ["babel-loader"]
+        },
         {
           test: /\.css$/,
           use: ["style-loader", "css-loader"]

package.json

@@ -22,9 +22,9 @@
   },
   "scripts": {
     "postinstall": "install-app-deps",
-    "preunit": "webpack --config=build/webpack.unit.config.js --env=test --display=errors-only",
+    "preunit": "webpack --config=build/webpack.unit.config.js --env=test --display=none",
     "unit": "electron-mocha temp/specs.js --renderer --require source-map-support/register",
-    "pree2e": "webpack --config=build/webpack.app.config.js --env=test --display=errors-only && webpack --config=build/webpack.e2e.config.js --env=test --display=errors-only",
+    "pree2e": "webpack --config=build/webpack.app.config.js --env=test --display=none && webpack --config=build/webpack.e2e.config.js --env=test --display=none",
     "e2e": "mocha temp/e2e.js --require source-map-support/register",
     "test": "npm run unit && npm run e2e",
     "start": "node build/start.js",
@@ -34,6 +34,10 @@
     "fs-jetpack": "^1.0.0"
   },
   "devDependencies": {
+    "@babel/core": "^7.0.0-beta.5",
+    "@babel/preset-env": "^7.0.0-beta.5",
+    "babel-loader": "^8.0.0-beta.0",
+    "babel-plugin-transform-object-rest-spread": "^6.26.0",
     "chai": "^4.1.0",
     "css-loader": "^0.28.7",
     "electron": "^1.6.11",

src/hello_world/hello_world.spec.js

@@ -17,4 +17,10 @@ describe("hello world", () => {
       "Add here any environment specific stuff you like."
     );
   });
+
+  it("babel features should work", () => {
+    const a = { a: 1 };
+    const b = { ...a, b: 2 };
+    expect(b).to.eql({ a: 1, b: 2 });
+  });
 });