Gruntfile.js

module.exports = function(grunt) {

  grunt.initConfig({
    pkg: grunt.file.readJSON("package.json"),
    copy: {
      html: {
        src: "index.html",
        dest: "build/"
      }
    },
    concat: {
      options: {
        separator: ";"
      },
      scripts: {
        src: [
          "node_modules/jquery/dist/jquery.js",
          "node_modules/underscore/underscore.js",
          "node_modules/backbone/backbone.js",
          "node_modules/handlebars/dist/handlebars.js",
          "src/utils/templateLoader.js",
          // 'src/utils/handlebarHelpers.js',
          "src/index.js",
          // 'src/utils/helpers.js',
          // 'src/models/*.js',
          // 'src/collections/*.js',
          "src/views/*.js",
          "src/routes.js",
          "src/app.js"
        ],
        dest: "build/<%= pkg.name %>.js"
      }
    },
    uglify: {
      options: {
        banner:
          '/*! <%= pkg.name %> <%= grunt.template.today("yyyy-mm-dd") %> */\n'
      },
      build: {
        src: "build/<%= pkg.name %>.js",
        dest: "build/<%= pkg.name %>.min.js"
      }
    },
    less: {
      development: {
        options: {
          compress: true,
          yuicompress: true,
          optimization: 2
        },
        files: {
          "assets/css/app.css": "assets/css/app.less"
        }
      }
    },
    concat_css: {
      options: {
        // Task-specific options go here.
      },
      all: {
        src: [
          "node_modules/bootstrap-2.3.2/css/bootstrap.css",
          "./assets/css/app.css"
        ],
        dest: "build/styles.css"
      }
    },
    watch: {
      files: ["src/**", "assets/css/**"],
      tasks: ["default"]
    }
  });

  grunt.loadNpmTasks('grunt-contrib-uglify');
  grunt.loadNpmTasks('grunt-contrib-less');
  grunt.loadNpmTasks('grunt-contrib-watch');
  grunt.loadNpmTasks('grunt-contrib-concat');
  grunt.loadNpmTasks('grunt-contrib-copy');
  grunt.loadNpmTasks('grunt-concat-css');


  grunt.registerTask('default', ['copy', 'less', 'concat', 'concat_css', 'watch']);

};