Merge pull request #453 from jjt/gruntnewer

feat(build): compile only changed coffeescript files in watch task

Author: eddiemonge

Diff for: templates/common/Gruntfile.js

@@ -20,11 +20,11 @@ module.exports = function (grunt) {
     watch: {
       coffee: {
         files: ['<%%= yeoman.app %>/scripts/{,*/}*.coffee'],
-        tasks: ['coffee:dist']
+        tasks: ['newer:coffee:dist']
       },
       coffeeTest: {
         files: ['test/spec/{,*/}*.{coffee,js}'],
-        tasks: ['coffee:test', 'karma']
+        tasks: ['newer:coffee:test', 'karma']
       },<% if (compassBootstrap) { %>
       compass: {
         files: ['<%%= yeoman.app %>/styles/{,*/}*.{scss,sass}'],

Diff for: templates/common/_package.json

@@ -19,6 +19,7 @@
     "grunt-contrib-uglify": "~0.2.0",
     "grunt-contrib-watch": "~0.5.2",
     "grunt-google-cdn": "~0.2.0",
+    "grunt-newer": "~0.5.4",
     "grunt-ngmin": "~0.0.2",
     "grunt-rev": "~0.1.0",
     "grunt-svgmin": "~0.2.0",