用于多页面的Gruntfile.js文件，重点在RequireJS部分

Gruntfilejs for multi-pages

// Generated on 2013-11-05 using generator-bootstrap-less 3.1.0
'use strict';

var lrSnippet = require('grunt-contrib-livereload/lib/utils').livereloadSnippet;
var mountFolder = function (connect, dir) {
  return connect.static(require('path').resolve(dir));
};

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

module.exports = function (grunt) {
  // load all grunt tasks
  require('matchdep').filterDev('grunt-*').forEach(grunt.loadNpmTasks);
  // show elapsed time at the end
  require('time-grunt')(grunt);

  // configurable paths
  var yeomanConfig = {
    app: 'app',
    dist: 'dist'
  };

  grunt.initConfig({
    yeoman: yeomanConfig,
    handlebars:{
        dist: {
          options: {
            namespace: "PRIS",
            wrapped:true
          },
          // files: {"<%= yeoman.app %>/hbs/templates.js":["<%= yeoman.app %>/hbs/*.hb"]}
          expand:true,   
          src:"<%= yeoman.app %>/hbs/*.hb",
          ext:".js"
        }
    },
    watch: {
     handlebars:{
        files:['<%= yeoman.app %>/hbs/{,*/}*.hb'],
        tasks:['handlebars']
     },
      coffee: {
        files: ['<%= yeoman.app %>/scripts/{,*/}*.coffee'],
        tasks: ['coffee']
      },
      recess: {
        files: ['<%= yeoman.app %>/styles/{,*/}*.less'],
        tasks: ['recess']
      },
      livereload: {
        files: [
          '<%= yeoman.app %>/*.html',
          '{.tmp,<%= yeoman.app %>}/styles/{,*/}*.css',
          '{.tmp,<%= yeoman.app %>}/{scripts,hbs}/{,*/}*.js',
          '<%= yeoman.app %>/images/{,*/}*.{png,jpg,jpeg,gif,webp,svg}'
        ],
        tasks: ['livereload']
      }
    },
    connect: {
      options: {
        port: 9000,
        // change this to '0.0.0.0' to access the server from outside
        hostname: 'localhost'
      },
      livereload: {
        options: {
          middleware: function (connect) {
            return [
              lrSnippet,
              mountFolder(connect, '.tmp'),
              mountFolder(connect, 'app')
            ];
          }
        }
      },
      test: {
        options: {
          middleware: function (connect) {
            return [
              mountFolder(connect, '.tmp'),
              mountFolder(connect, 'test')
            ];
          }
        }
      },
      dist: {
        options: {
          middleware: function (connect) {
            return [
              mountFolder(connect, 'dist')
            ];
          }
        }
      }
    },
    open: {
      server: {
        path: 'http://localhost:<%= connect.options.port %>'
      }
    },
    clean: {
      dist: {
        files: [{
          dot: true,
          src: [
            '.tmp',
            '<%= yeoman.dist %>/*',
            '!<%= yeoman.dist %>/.git*'
          ]
        }]
      },
      server: '.tmp'
    },
    jshint: {
      options: {
        jshintrc: '.jshintrc',
        reporter: require('jshint-stylish')
      },
      all: [
        'Gruntfile.js',
        '<%= yeoman.app %>/scripts/{,*/}*.js',
        '!<%= yeoman.app %>/scripts/vendor/*',
        'test/spec/{,*/}*.js'
      ]
    },
    mocha: {
      all: {
        options: {
          run: true,
          urls: ['http://localhost:<%= connect.options.port %>/index.html']
        }
      }
    },
    coffee: {
      dist: {
        files: [{
          expand: true,
          cwd: '<%= yeoman.app %>/scripts',
          src: '{,*/}*.coffee',
          dest: '<%= yeoman.app %>/scripts',
          ext: '.js'
        }]
      }
    },
    recess: {
      dist: {
        options: {
          compile: true
        },
        files: [{
          expand: true,
          cwd: '<%= yeoman.app %>/styles',
          src: '{,*/}*.less',
          dest: '<%= yeoman.app %>/styles',
          ext: '.css'
        }]
      }
    },
    // not used since Uglify task does concat,
    // but still available if needed
    requirejs: {
        dist: {
            // Options: https://github.com/jrburke/r.js/blob/master/build/example.build.js
            options: {
                // `name` and `out` is set by grunt-usemin
                baseUrl:'<%= yeoman.app %>/scripts',                
                mainConfigFile:'<%= yeoman.app %>/scripts/config.js',             
                optimize: 'none',
                dir: '.tmp/scripts/requirejs/',
                modules:[
                  {name:"main"},
                  {name:"main_user_info"},
                  {name:"main_retweet"},
                  {name:"main_analysis"},
                  {name:"main_key_user"}
                ],
                removeCombined: true,
                fileExclusionRegExp: /\.coffee$/,
                // TODO: Figure out how to make sourcemaps work with grunt-usemin
                // https://github.com/yeoman/grunt-usemin/issues/30
                //generateSourceMaps: true,
                // required to support SourceMaps
                // http://requirejs.org/docs/errors.html#sourcemapcomments
                preserveLicenseComments: false,
                // useStrict: true,
                wrap: true
                //uglify2: {} // https://github.com/mishoo/UglifyJS2
            }
        }
    },    
    // not enabled since usemin task does concat and uglify
    // check index.html to edit your build targets
    // enable this task if you prefer defining your build targets here
    concat:{
      dist:{
        expand:true,
        cwd:".tmp/scripts/requirejs/",
        src:['main*.js'],
        dest:'<%= yeoman.dist %>/scripts/',
        ext:'.js'
      },
      dep:{
        files:{
        "<%= yeoman.dist %>/scripts/vendor/modernizr.js":["<%= yeoman.app %>/bower_components/modernizr/modernizr.js"],
        '<%= yeoman.dist %>/bower_components/requirejs/require.js':['<%= yeoman.app %>/bower_components/requirejs/require.js']
        }
      }
    },
    uglify: {
      src:['<%= yeoman.dist %>/{,*/}*.js']
    },
    rev: {
      dist: {
        files: {
          src: [
            '<%= yeoman.dist %>/scripts/{,*/}*.js',
            '<%= yeoman.dist %>/styles/{,*/}*.css',
            '<%= yeoman.dist %>/images/{,*/}*.{png,jpg,jpeg,gif,webp}',
            '<%= yeoman.dist %>/fonts/{,*/}*.*'
          ]
        }
      }
    },
    useminPrepare: {
      html: ['<%= yeoman.app %>/*.html'],
      options: {
        dest: '<%= yeoman.dist %>'
      } 
    },
    usemin: {
      html: ['<%= yeoman.dist %>/{,*/}*.html'],
      css: ['<%= yeoman.dist %>/styles/{,*/}*.css'],
      options: {
        dirs: ['<%= yeoman.dist %>']
      }
    },
    imagemin: {
      dist: {
        files: [{
          expand: true,
          cwd: '<%= yeoman.app %>/images',
          src: '{,*/}*.{png,jpg,jpeg}',
          dest: '<%= yeoman.dist %>/images'
        }]
      }
    },
    svgmin: {
      dist: {
        files: [{
          expand: true,
          cwd: '<%= yeoman.app %>/images',
          src: '{,*/}*.svg',
          dest: '<%= yeoman.dist %>/images'
        }]
      }
    },
    cssmin: {
      dist: {
        options: {
          banner: '/* minified css file By boyc@JSCON */'
        },
        expand: true,
        cwd: '<%= yeoman.app %>/styles',
        src: ['main*.css'],
        dest: '<%= yeoman.dist %>/styles',
        ext: '.css'
      }
    },
    htmlmin: {
      dist: {
        options: {
          /*removeCommentsFromCDATA: true,
          // https://github.com/yeoman/grunt-usemin/issues/44
          //collapseWhitespace: true,
          collapseBooleanAttributes: true,
          removeAttributeQuotes: true,
          removeRedundantAttributes: true,
          useShortDoctype: true,
          removeEmptyAttributes: true,
          removeOptionalTags: true*/
        },
        files: [{
          expand: true,
          cwd: '<%= yeoman.app %>',
          src: '*.html',
          dest: '<%= yeoman.dist %>'
        }]
      }
    },
    copy: {
      dist: {
        files: [{
          expand: true,
          dot: true,
          cwd: '<%= yeoman.app %>',
          dest: '<%= yeoman.dist %>',
          src: [
            '*.{ico,png,txt}',
            'fonts/{,*/}*.*',
            '.htaccess',
            'images/{,*/}*.{webp,gif}'
          ]
        }]
      },
      server: {
        files: [{
          expand: true,
          dot: true,
          cwd: '<%= yeoman.app %>/bower_components/font-awesome/fonts/',
          dest: '<%= yeoman.app %>/fonts/font-awesome',
          src: ['*']
        }, {
          expand: true,
          dot: true,
          cwd: '<%= yeoman.app %>/bower_components/bootstrap/fonts/',
          dest: '<%= yeoman.app %>/fonts/glyphicons',
          src: ['*']
        }]
      }
    },
    concurrent: {
      dist: [
        'handlebars',
        'coffee',
        'recess',
        'imagemin',
        'svgmin',
        'htmlmin'
      ]
    }
  });

  grunt.renameTask('regarde', 'watch');

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

    grunt.task.run([
      'clean:server',
      'coffee',
      'recess',
      'copy:server',
      'livereload-start',
      'connect:livereload',
      'open',
      'watch'
    ]);
  });

  grunt.registerTask('test', [
    'clean:server',
    'coffee',
    'recess',
    'copy:server',
    'connect:test',
    'mocha'
  ]);

  grunt.registerTask('build', [
    'clean:dist',
    'copy:server',
    'concurrent',    
    'requirejs',
    'cssmin',
    'concat',
    'uglify',
    'copy',
  ]);

  grunt.registerTask('default', [
    'jshint',
    'test',
    'build'
  ]);
  grunt.registerTask('develop', [
    'clean:dist',
    'copy:server',
    'concurrent',    
    'requirejs',
    'cssmin',
    'concat',
    'copy',
  ]);

};