gistfile1.txt

    less: {
      options: {
        compress: false,
        yuicompress: false
//        optimization: 2,
//        sourceMap: true,
//        sourceMapFilename: '.tmp/styles/main.css.map',
//        sourceMapURL: '/styles/main.css.map',
//        sourceMapBasepath: '.tmp',
//        sourceMapRootpath: '/'
      },
      dist: {
        files: [{
          src: '<%= yeoman.app %>/styles/main.less',
          dest: '.tmp/styles/main.css',
          ext: '.css'
        }]
      }
    },

Gruntfile.js

// Generated on 2013-12-28 using generator-angular 0.7.1
'use strict';

// # Globbing
// for performance reasons we're only matching one level down:
// 'test/spec/{,*/}*.js'
// use this if you want to recursively match all subfolders:
// 'test/spec/**/*.js'

var proxySnippet = require('grunt-connect-proxy/lib/utils').proxyRequest;
var mountFolder = function (connect, dir) {
  return connect.static(require('path').resolve(dir));
};

module.exports = function (grunt) {

  // Load grunt tasks automatically
  require('load-grunt-tasks')(grunt);

  // Time how long tasks take. Can help when optimizing build times
  require('time-grunt')(grunt);

  // Define the configuration for all the tasks
  grunt.initConfig({

    // Project settings
    yeoman: {
      // configurable paths
      app: require('./bower.json').appPath || 'app',
      dist: 'dist'
    },

    // Watches files for changes and runs tasks based on the changed files
    watch: {
      bower: {
        files: ['bower.json'],
        tasks: ['bowerInstall']
      },
      coffee: {
        files: ['<%= yeoman.app %>/scripts/{,*/}*.{coffee,litcoffee,coffee.md}'],
        tasks: ['newer:coffee:dist']
      },
      coffeeUnit: {
        files: ['test/spec/{,*/}*.{coffee,litcoffee,coffee.md}'],
        tasks: ['newer:coffee:unit', 'karma']
      },
      coffeeScenario: {
        files: ['test/e2e/{,*/}*.{coffee,litcoffee,coffee.md}'],
        tasks: ['newer:coffee:e2e', 'karma']
      },
      less: {
        // Which files to watch (all .less files recursively in the less directory)
        files: ['<%= yeoman.app %>/styles/{,*/}*.less'],
        tasks: ['less:dist'],
        options: {
          nospawn: true,
          livereload: true
        }
      },
      gruntfile: {
        files: ['Gruntfile.js']
      },
      livereload: {
        options: {
          livereload: '<%= connect.options.livereload %>'
        },
        files: [
          '<%= yeoman.app %>/**/*.html',
          '.tmp/styles/{,*/}*.css',
          '.tmp/scripts/**/*.js',
          '<%= yeoman.app %>/images/{,*/}*.{png,jpg,jpeg,gif,webp,svg}'
        ]
      }
    },

    // The actual grunt server settings
    connect: {
      options: {
        port: 9000,
        // Change this to '0.0.0.0' to access the server from outside.
        hostname: 'localhost',
        livereload: 35729
      },
      proxies: [
        {
          context: '/assets',
          host: 'localhost',
          port: 3000
        },
        {
          context: '/api/v1',
          host: 'localhost',
          port: 3000
//          https: false,
//          changeOrigin: false,
//          xforward: false
        }
      ],
      livereload: {
        options: {
          open: true,
          base: [
            '.tmp',
            '<%= yeoman.app %>'
          ],
//        middleware: function (connect, options) {
//          var optBase = (typeof options.base === 'string') ? [options.base] : options.base;
//          return [proxySnippet, require('connect-modrewrite')(['!(\\..+)$ / [L]'])].concat(
//            optBase.map(function (path) {
//              return connect.static(path);
//            }));
//        }
          middleware: function (connect) {
            return [proxySnippet,
              mountFolder(connect, '.tmp'),
              mountFolder(connect, 'app')];
          }
        }
      },
      test: {
        options: {
          port: 9001,
          base: [
            '.tmp',
            'test',
            '<%= yeoman.app %>'
          ]
        }
      },
      dist: {
        options: {
          base: '<%= yeoman.dist %>'
        }
      }
    },

    // Empties folders to start fresh
    clean: {
      dist: {
        files: [{
          dot: true,
          src: [
            '.tmp',
            '<%= yeoman.dist %>/*',
            '!<%= yeoman.dist %>/.git*'
          ]
        }]
      },
      server: '.tmp'
    },

    // Add vendor prefixed styles
    autoprefixer: {
      options: {
        browsers: ['last 1 version']
      },
      dist: {
        files: [{
          expand: true,
          cwd: '.tmp/styles/',
          src: '{,*/}*.css',
          dest: '.tmp/styles/'
        }]
      }
    },

    // Automatically inject Bower components into the app
    'bowerInstall': {
      app: {
        src: ['<%= yeoman.app %>/index.html'],
        ignorePath: '<%= yeoman.app %>/'
      }
    },

    // Compiles CoffeeScript to JavaScript
    coffee: {
      options: {
        sourceMap: true,
        sourceRoot: ''
      },
      dist: {
        files: [
          {
            expand: true,
            cwd: '<%= yeoman.app %>/scripts',
            src: '{,*/}*.coffee',
            dest: '.tmp/scripts',
            ext: '.js'
          }
        ]
      },
      unit: {
        files: [
          {
            expand: true,
            cwd: 'test/spec',
            src: '{,*/}*.coffee',
            dest: '.tmp/spec',
            ext: '.js'
          }
        ]
      },
      e2e: {
        files: [
          {
            expand: true,
            cwd: 'test/e2e',
            src: '{,*/}*.coffee',
            dest: '.tmp/scenario',
            ext: '.js'
          }
        ]
      }
    },

    less: {
      options: {
        compress: false,
        yuicompress: false
//        optimization: 2,
//        sourceMap: true,
//        sourceMapFilename: '.tmp/styles/main.css.map',
//        sourceMapURL: '/styles/main.css.map',
//        sourceMapBasepath: '.tmp',
//        sourceMapRootpath: '/'
      },
      dist: {
        files: [{
          src: '<%= yeoman.app %>/styles/main.less',
          dest: '.tmp/styles/main.css',
          ext: '.css'
        }]
      }
    },

    // Renames files for browser caching purposes
    rev: {
      dist: {
        files: {
          src: [
            '<%= yeoman.dist %>/scripts/{,*/}*.js',
            '<%= yeoman.dist %>/styles/{,*/}*.css',
            '<%= yeoman.dist %>/images/{,*/}*.{png,jpg,jpeg,gif,webp,svg}',
            '<%= yeoman.dist %>/styles/fonts/*'
          ]
        }
      }
    },

    // Reads HTML for usemin blocks to enable smart builds that automatically
    // concat, minify and revision files. Creates configurations in memory so
    // additional tasks can operate on them
    useminPrepare: {
      html: '<%= yeoman.app %>/index.html',
      options: {
        dest: '<%= yeoman.dist %>'
      }
    },

    // Performs rewrites based on rev and the useminPrepare configuration
    usemin: {
      html: ['<%= yeoman.dist %>/{,*/}*.html'],
      css: ['<%= yeoman.dist %>/styles/{,*/}*.css'],
      options: {
        assetsDirs: ['<%= yeoman.dist %>']
      }
    },

    // The following *-min tasks produce minified files in the dist folder
    imagemin: {
      dist: {
        files: [{
          expand: true,
          cwd: '<%= yeoman.app %>/images',
          src: '{,*/}*.{png,jpg,jpeg,gif}',
          dest: '<%= yeoman.dist %>/images'
        }]
      }
    },

    svgmin: {
      dist: {
        files: [{
          expand: true,
          cwd: '<%= yeoman.app %>/images',
          src: '{,*/}*.svg',
          dest: '<%= yeoman.dist %>/images'
        }]
      }
    },

    htmlmin: {
      dist: {
        options: {
          collapseWhitespace: true,
          collapseBooleanAttributes: true,
          removeCommentsFromCDATA: true,
          removeOptionalTags: true
        },
        files: [{
          expand: true,
          cwd: '<%= yeoman.dist %>',
          src: ['*.html', 'views/{,*/}*.html'],
          dest: '<%= yeoman.dist %>'
        }]
      }
    },

    // Allow the use of non-minsafe AngularJS files. Automatically makes it
    // minsafe compatible so Uglify does not destroy the ng references
    ngmin: {
      dist: {
        files: [{
          expand: true,
          cwd: '.tmp/concat/scripts',
          src: '*.js',
          dest: '.tmp/concat/scripts'
        }]
      }
    },

    // Copies remaining files to places other tasks can use
    copy: {
      dist: {
        files: [{
          expand: true,
          dot: true,
          cwd: '<%= yeoman.app %>',
          dest: '<%= yeoman.dist %>',
          src: [
            '*.{ico,png,txt}',
            '.htaccess',
            '*.html',
            'views/{,*/}*.html',
            // 'bower_components/**/*',
            'images/{,*/}*.{webp}',
            'fonts/*'
          ]
        }, {
          expand: true,
          cwd: '.tmp/images',
          dest: '<%= yeoman.dist %>/images',
          src: ['generated/*']
        }]
      },
      // styles: {
      //   expand: true,
      //   cwd: '<%= yeoman.app %>/styles',
      //   dest: '.tmp/styles/',
      //   src: '{,*/}*.{css}'
      // },
      // less: {
      //   expand: true,
      //   cwd: '<%= yeoman.app %>/styles',
      //   dest: '.tmp/styles/',
      //   src: '{,*/}*.less'
      // }
    },

    // Run some tasks in parallel to speed up the build process
    concurrent: {
      server: [
        'coffee:dist',
      ],
      test: [
        'coffee',
      ],
      dist: [
        'coffee',
        'less',
        'imagemin',
        'svgmin'
      ]
    },

    // Test settings
    karma: {
      e2e: {
        configFile: 'karma-e2e.conf.js',
        singleRun: false
      },
      unit: {
        configFile: 'karma.conf.js',
        singleRun: false
      }
    }
  });

  grunt.registerTask('serve', function (target) {
    if (target === 'dist') {
      return grunt.task.run(['build', 'connect:dist:keepalive']);
    }

    grunt.task.run([
      'clean:server',
      'bowerInstall',
      'concurrent:server',
      'less:dist',
      'autoprefixer',
      'configureProxies:server',
      'connect:livereload',
      'watch'
    ]);
  });

  grunt.registerTask('server', function () {
    grunt.log.warn('The `server` task has been deprecated. Use `grunt serve` to start a server.');
    grunt.task.run(['serve']);
  });

  grunt.registerTask('test', [
    'clean:server',
    'concurrent:test',
    'autoprefixer',
    'connect:test',
    'karma:unit'
  ]);

  grunt.registerTask('e2e', [
    'clean:server',
    'concurrent:test',
    'autoprefixer',
    'connect:test',
    'karma:e2e'
  ]);

  grunt.registerTask('build', [
    'clean:dist',
    'bowerInstall',
    'useminPrepare',
    'concurrent:dist',
    'autoprefixer',
    'concat',
    'ngmin',
    'copy:dist',
    'cssmin',
    'uglify',
    'rev',
    'usemin',
//    'htmlmin'
  ]);

  grunt.registerTask('default', [
    // 'test',
    'build'
  ]);
};