feat(gen): add Less support to the initialization process

app/index.js

@@ -173,6 +173,25 @@ Generator.prototype.askForCompass = function askForCompass() {
   }.bind(this));
 };
 
+Generator.prototype.askForLess = function askForLess() {
+  var compass = this.compass;
+  var cb = this.async();
+
+  this.prompt([{
+    type: 'confirm',
+    name: 'less',
+    message: 'Would you like to use Less?',
+    default: true,
+    when: function (props) {
+      return !compass;
+    }
+  }], function (props) {
+    this.less = props.less;
+
+    cb();
+  }.bind(this));
+};
+
 Generator.prototype.askForBootstrap = function askForBootstrap() {
   var compass = this.compass;
   var cb = this.async();
@@ -284,10 +303,19 @@ Generator.prototype.readIndex = function readIndex() {
 };
 
 Generator.prototype.bootstrapFiles = function bootstrapFiles() {
-  var cssFile = 'styles/main.' + (this.compass ? 's' : '') + 'css';
+  var cssFile = 'styles/main.css';
+  var sass = this.compass;
+  var mainFile = 'styles/main.';
+  if (this.less) {
+    mainFile += 'less';
+  }
+  else {
+    mainFile += (sass ? 's' : '') + 'css';
+  }
+
   this.copy(
     path.join('app', cssFile),
-    path.join(this.appPath, cssFile)
+    path.join(this.appPath, mainFile)
   );
 };
 

templates/common/app/styles/main.css

@@ -1,3 +1,19 @@
+<% if (bootstrap) { %>
+<% if (compassBootstrap) { %>$icon-font-path: "../bower_components/bootstrap-sass-official/assets/fonts/bootstrap/";
+// bower:scss
+// endbower
+<% } else { %>
+     @import 'bootstrap/less/bootstrap';
+         <% } %>
+<% } %>
+
+.browsehappy {
+    margin: 0.2em 0;
+    background: #ccc;
+    color: #000;
+    padding: 0.2em 0;
+}
+
 /* Space out content a bit */
 body {
   padding-top: 20px;

templates/common/root/_Gruntfile.js

@@ -55,7 +55,11 @@ module.exports = function (grunt) {
       compass: {
         files: ['<%%= yeoman.app %>/styles/{,*/}*.{scss,sass}'],
         tasks: ['compass:server', 'autoprefixer']
-      },<% } else { %>
+      },<% } else if (less) { %>
+      less: {
+        files: ['<%%= yeoman.app %>/styles/{,*/}*.less'],
+        tasks: ['less:dist', 'autoprefixer']
+      }, <% } else { %>
       styles: {
         files: ['<%%= yeoman.app %>/styles/{,*/}*.css'],
         tasks: ['newer:copy:styles', 'autoprefixer']
@@ -241,7 +245,23 @@ module.exports = function (grunt) {
           debugInfo: true
         }
       }
-    },<% } %>
+    },<% } else if (less) { %>
+      // Compiles Less to CSS and generates necessary files if requested
+    less: {
+      options: {
+        compile: true,
+        paths: ['./bower_components']
+      },
+      dist: {
+        files: [{
+          expand: true,
+          cwd: '<%%= yeoman.app %>/styles',
+          src: '{,*/}*.less',
+          dest: '.tmp/styles/',
+          ext: '.css'
+        }]
+      }
+    }, <% } %>
 
     // Renames files for browser caching purposes
     filerev: {
@@ -416,17 +436,20 @@ module.exports = function (grunt) {
     concurrent: {
       server: [<% if (coffee) { %>
         'coffee:dist',<% } %><% if (compass) { %>
-        'compass:server'<% } else { %>
+        'compass:server'<% } else if (less) { %>
+        'less:dist' <% } else { %>
         'copy:styles'<% } %>
       ],
       test: [<% if (coffee) { %>
         'coffee',<% } %><% if (compass) { %>
-        'compass'<% } else { %>
+        'compass'<% } else if (less) { %>
+        'less' <% } else { %>
         'copy:styles'<% } %>
       ],
       dist: [<% if (coffee) { %>
         'coffee',<% } %><% if (compass) { %>
-        'compass:dist',<% } else { %>
+        'compass:dist',<% } else if (less) { %>
+        'less:dist',<% } else { %>
         'copy:styles',<% } %>
         'imagemin',
         'svgmin'

templates/common/root/_package.json

@@ -8,7 +8,8 @@
     "grunt-concurrent": "^0.5.0",
     "grunt-contrib-clean": "^0.5.0",<% if (coffee) { %>
     "grunt-contrib-coffee": "^0.10.1",<% } %><% if (compass) { %>
-    "grunt-contrib-compass": "^0.7.2",<% } %>
+    "grunt-contrib-compass": "^0.7.2",<% } %><% if (less) { %>
+    "grunt-contrib-less": "^0.10.0",<% } %>
     "grunt-contrib-concat": "^0.4.0",
     "grunt-contrib-connect": "^0.7.1",
     "grunt-contrib-copy": "^0.5.0",