grunt.initConfig方法
用于模块配置,它接受一个对象作为参数。该对象的成员与使用的同名模块一一对应。
每个目标的具体设置,需要参考该模板的文档。就cssmin来讲,minify目标的参数具体含义如下:
grunt常用函数说明:
grunt.initConfig:定义各种模块的参数,每一个成员项对应一个同名模块。
grunt.loadNpmTasks:加载完成任务所需的模块。
grunt.registerTask:定义具体的任务。第一个参数为任务名,第二个参数是一个数组, 表示该任务需要依次使用的模块。
grunt常用模块:
package.json 包依赖关系:
{ "name": "grunt-study", "version": "1.0.0", "description": "study", "main": "index.js", "scripts": { "test": "test" }, "repository": { "type": "git", "url": "https://github.com/hubcarl" }, "devDependencies":{ "matchdep": "latest", "shelljs": "latest", "ngmshell": "latest", "grunt": "latest", "grunt-contrib-clean": "latest", "grunt-contrib-concat": "latest", "grunt-contrib-copy": "latest", "grunt-contrib-connect": "latest", "grunt-contrib-htmlmin": "latest", "grunt-contrib-cssmin": "latest", "grunt-contrib-imagemin": "latest", "grunt-contrib-uglify": "latest", "grunt-contrib-watch": "latest", "grunt-usemin": "latest", "connect-livereload": "latest" }, "keywords": [ "grunt" ], "author": "bluesky", "license": "BSD-2-Clause", "bugs": { "url": "https://github.com/hubcarl" } }
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 };
index.html发布之前内容:
<!DOCTYPE html> <html> <head> <title>Grunt 测试</title> <meta charset="utf-8"> <!-- build:css css/main.css --> <link rel="stylesheet" href="css/common.css"> <link rel="stylesheet" href="css/web.css"> <!-- endbuild --> <!-- build:js js/main.js --> <script src="js/zepto.js"></script> <script src="js/common.js"></script> <script src="js/service.js"></script> <!-- endbuild --> </head> <body> <p></p> Hello,Grunt! </body> </html>
执行grunt publish之后:
<!DOCTYPE html><html><head><title>Grunt 测试</title><meta charset=utf-8><link rel=stylesheet href=css/main.css><script src=js/main.js></script><body><p></p>Hello,Grunt<body><html>
主页:http://appshow.sinaapp.com/