grunt常用模块

  1 module.exports = function (grunt) {
  2 
  3   require('matchdep').filterDev('grunt-*').forEach(grunt.loadNpmTasks);
  4 
  5   grunt.initConfig({
  6 
  7     //清除目录
  8     clean: {
  9       all: ['dist/html/**', 'dist/*.*'],
 10       image: 'dist/html/images',
 11       css: 'dist/html/css',
 12       html: 'dist/html/**/*'
 13     },
 14 
 15     copy: {
 16       src: {
 17         files: [
 18           {expand: true, cwd: 'src', src: ['*.html'], dest: 'dist/html'}
 19         ]
 20       },
 21       image: {
 22         files: [
 23           {expand: true, cwd: 'src', src: ['images/*.{png,jpg,jpeg,gif}'], dest: 'dist/html'}
 24         ]
 25       }
 26     },
 27 
 28     // 文件合并
 29     concat: {
 30       options: {
 31         separator: ';',
 32         stripBanners: true
 33       },
 34       js: {
 35         src: [
 36           "src/js/*.js"
 37         ],
 38         dest: "dist/html/js/app.js"
 39       },
 40       css:{
 41         src: [
 42           "src/css/*.css"
 43         ],
 44         dest: "dist/html/css/main.css"
 45       }
 46     },
 47 
 48     //压缩JS
 49     uglify: {
 50       prod: {
 51         options: {
 52           mangle: {
 53             except: ['require', 'exports', 'module', 'window']
 54           },
 55           compress: {
 56             global_defs: {
 57               PROD: true
 58             },
 59             dead_code: true,
 60             pure_funcs: [
 61               "console.log",
 62               "console.info"
 63             ]
 64           }
 65         },
 66 
 67         files: [{
 68             expand: true,
 69             cwd: 'dist/html',
 70             src: ['js/*.js', '!js/*.min.js'],
 71             dest: 'dist/html'
 72         }]
 73       }
 74     },
 75 
 76     //压缩CSS
 77     cssmin: {
 78       prod: {
 79         options: {
 80           report: 'gzip'
 81         },
 82         files: [
 83           {
 84             expand: true,
 85             cwd: 'dist/html',
 86             src: ['css/*.css'],
 87             dest: 'dist/html'
 88           }
 89         ]
 90       }
 91     },
 92 
 93     //压缩图片
 94     imagemin: {
 95       prod: {
 96         options: {
 97           optimizationLevel: 7,
 98           pngquant: true
 99         },
100         files: [
101           {expand: true, cwd: 'dist/html', src: ['images/*.{png,jpg,jpeg,gif,webp,svg}'], dest: 'dist/html'}
102         ]
103       }
104     },
105 
106     // 处理html中css、js 引入合并问题
107     usemin: {
108       html: 'dist/html/*.html'
109     },
110 
111     //压缩HTML
112     htmlmin: {
113       options: {
114         removeComments: true,
115         removeCommentsFromCDATA: true,
116         collapseWhitespace: true,
117         collapseBooleanAttributes: true,
118         removeAttributeQuotes: true,
119         removeRedundantAttributes: true,
120         useShortDoctype: true,
121         removeEmptyAttributes: true,
122         removeOptionalTags: true
123       },
124       html: {
125         files: [
126           {expand: true, cwd: 'dist/html', src: ['*.html'], dest: 'dist/html'}
127         ]
128       }
129     }
130 
131   });
132 
133 
134   grunt.registerTask('prod', [
135     'copy',                 //复制文件
136     'concat',               //合并文件
137     'imagemin',             //图片压缩
138     'cssmin',               //CSS压缩
139     'uglify',               //JS压缩
140     'usemin',               //HTML处理
141     'htmlmin'               //HTML压缩
142   ]);
143 
144   grunt.registerTask('publish', ['clean', 'prod']);
145 };