Add support for Babel

app/index.js

@@ -15,6 +15,13 @@ module.exports = yeoman.generators.Base.extend({
     });
     this.testFramework = this.options['test-framework'];
 
+    this.option('babel', {
+      desc: 'Use Babel',
+      type: Boolean,
+      defaults: true
+    });
+    this.babel = this.options.babel;
+
     this.option('coffee', {
       desc: 'Use CoffeeScript',
       type: Boolean,
@@ -180,6 +187,7 @@ module.exports = yeoman.generators.Base.extend({
         options: {
           'skip-message': this.options['skip-install-message'],
           'skip-install': this.options['skip-install'],
+          'babel': this.options.babel,
           'coffee': this.options.coffee
         }
       });

app/templates/Gruntfile.js

@@ -35,7 +35,15 @@ module.exports = function (grunt) {
       bower: {
         files: ['bower.json'],
         tasks: ['wiredep']
-      },<% if (coffee) { %>
+      },<% if (babel) { %>
+      babel: {
+        files: ['<%%= config.app %>/scripts/{,*/}*.js'],
+        tasks: ['babel:dist']
+      },
+      babelTest: {
+        files: ['test/spec/{,*/}*.js'],
+        tasks: ['babel:test', 'test:watch']
+      },<% } else if (coffee) { %>
       coffee: {
         files: ['<%%= config.app %>/scripts/{,*/}*.{coffee,litcoffee,coffee.md}'],
         tasks: ['coffee:dist']
@@ -155,6 +163,28 @@ module.exports = function (grunt) {
           specs: 'test/spec/{,*/}*.js'
         }
       }
+    },<% } %><% if (babel) { %>
+
+    // Compiles ES6 with Babel
+    babel: {
+      dist: {
+        files: [{
+          expand: true,
+          cwd: '<%%= config.app %>/scripts',
+          src: '{,*/}*.js',
+          dest: '.tmp/scripts',
+          ext: '.js'
+        }]
+      },
+      test: {
+        files: [{
+          expand: true,
+          cwd: 'test/spec',
+          src: '{,*/}*.js',
+          dest: '.tmp/spec',
+          ext: '.js'
+        }]
+      }
     },<% } %><% if (coffee) { %>
 
     // Compiles CoffeeScript to JavaScript
@@ -405,16 +435,19 @@ module.exports = function (grunt) {
 
     // Run some tasks in parallel to speed up build process
     concurrent: {
-      server: [<% if (coffee) {  %>
+      server: [<% if (babel) {  %>
+        'babel:dist',<% } %><% if (coffee) {  %>
         'coffee:dist',<% } %><% if (includeSass) { %>
         'sass:server'<% } else { %>
         'copy:styles'<% } %>
       ],
-      test: [<% if (coffee) { %>
+      test: [<% if (babel) {  %>
+        'babel',<% } %><% if (coffee) { %>
         'coffee'<% } %><% if (coffee && !includeSass) {  %>,<% } %><% if (!includeSass) { %>
         'copy:styles'<% } %>
       ],
-      dist: [<% if (coffee) { %>
+      dist: [<% if (babel) {  %>
+        'babel',<% } %><% if (coffee) { %>
         'coffee',<% } %><% if (includeSass) { %>
         'sass',<% } else { %>
         'copy:styles',<% } %>

app/templates/_package.json

@@ -5,7 +5,8 @@
     "grunt-autoprefixer": "^2.2.0",
     "grunt-browser-sync": "^2.1.2",
     "grunt-concurrent": "^1.0.0",
-    "grunt-contrib-clean": "^0.6.0",<% if (coffee) { %>
+    "grunt-contrib-clean": "^0.6.0",<% if (babel) { %>
+    "grunt-babel": "^5.0.0",<% } %><% if (coffee) { %>
     "grunt-contrib-coffee": "^0.13.0",<% } %>
     "grunt-contrib-concat": "^0.5.1",
     "grunt-contrib-copy": "^0.8.0",

readme.md

@@ -8,7 +8,7 @@
 
 * CSS Autoprefixing
 * Built-in preview server with LiveReload
-* Automagically compile CoffeeScript & Sass
+* Automagically compile ES6 (with Babel), CoffeeScript & Sass
 * Automagically lint your scripts
 * Automagically wire up your Bower components with [grunt-wiredep](#third-party-dependencies).
 * Awesome Image Optimization (via OptiPNG, pngquant, jpegtran and gifsicle)
@@ -66,6 +66,10 @@ We have [recipes](docs/recipes) for integrating other popular technologies like
 
   Defaults to `mocha`. Can be switched for another supported testing framework like `jasmine`.
 
+* `--babel`
+
+  Add support for [Babel](http://babeljs.io/).
+
 * `--coffee`
 
   Add support for [CoffeeScript](http://coffeescript.org/).