loader

<!doctype html> <html lang="en"> <head> <title>Code coverage report for loader/lib/builder.js</title> <meta charset="utf-8"> <link rel="stylesheet" href="../../prettify.css"> <link rel="stylesheet" href="../../base.css"> <style type='text/css'> div.coverage-summary .sorter { background-image: url(../../sort-arrow-sprite.png); } </style> </head> <body> <div class="header high"> <h1>Code coverage report for loader/lib/builder.js</h1> <h2> Statements: 100% (91 / 91)      Branches: 86.36% (19 / 22)      Functions: 100% (9 / 9)      Lines: 100% (91 / 91)      Ignored: none      </h2> <div class="path"><a href="../../index.html">All files</a> » <a href="index.html">loader/lib/</a> » builder.js</div> </div> <div class="body"> <pre><table class="coverage"> <tr><td class="line-count">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199</td><td class="line-coverage">  1 1 1 1 1     1                         1 5 5 5 5   5   5 5 6 6 6 6 6 6 6     6 6 6 4   6 2     6 6 6 21   6 5       5                                           1 5   6 6 6 9   9 9 9 9 9 1 8 1 7 2   9   9 9     1 1   8       8     8   8       5 5 5 5 5 5 5 5 5   5   5 5     4                                       1 4 4 5   4                           1 2 2   2 3     2 3 3 3 2 2 1 1       2    </td><td class="text"><pre class="prettyprint lang-js">// 仅在构建时使用，运行时无需引入 var crypto = require('crypto'); var util = require('util'); var path = require('path'); var fs = require('fs'); var transform = require('./transform');   // 用于保存编译后的结果，避免重复编译 var cache = {};   /** * 扫描文本中的静态资源部分，提取出目标路径和文件列表。 * 结果如下： * ``` * [ * {target: "x.js", assets:["path1", "path2"]}, * {target: "x.css", assets:["path1", "path2"]} * ] * ``` * @param {String} view view html code */ exports.scan = function (view) { var reg = /Loader\([\s\S]*?\.done\(.*\)/gm; var argReg = /Loader\(['"]([^'"]+)['"](?:,\s*['"]([^'"]+)['"])?\)/g; var jsReg = /.js\(['"](.*?)['"]\)/g; var cssReg = /.css\(['"](.*?)['"]\)/g;   var retVal = [];   var block; while ((block = reg.exec(view)) !== null) { var find = block[0]; Eif (find) { var arg; var target = {}; while ((arg = argReg.exec(find)) !== null) { target[path.extname(arg[1])] = arg[1]; target[path.extname(arg[2])] = arg[2]; }   var jsAssets = []; var js; while ((js = jsReg.exec(find)) !== null) { jsAssets.push(js[1]); } if (jsAssets.length) { retVal.push({target: target[".js"], assets: jsAssets}); }   var cssAssets = []; var css; while ((css = cssReg.exec(find)) !== null) { cssAssets.push(css[1]); } if (cssAssets.length) { retVal.push({target: target[".css"], assets: cssAssets}); } } } return retVal; };   /** * 根据传入映射关系数组和指定的基本目录地址，调用uglifyjs和cleancss压缩文本 * 并生成带MD5签名的压缩文件，以及一个debug文件 * ``` * [ * {target: "x.js", assets:["path1", "path2"]}, * {target: "x.css", assets:["path1", "path2"]} * ] * => * [ * {target: "x.js", min: "x.hash.js", debug: "x.hash.debug.js", * assets:["path1", "path2"]}, * {target: "x.css", min: "x.hash.css", debug: "x.hash.debug.css", * assets:["path1", "path2"]} * ] * ``` * @param {String} basedir 基本目录路径 * @param {Array} arr 静态资源数组 */ exports.minify = function (basedir, arr) { arr.forEach(function (item, index) { // combo var content = ""; var minified = ""; item.assets.forEach(function (asset) { var cached = cache[asset]; // 编译，压缩 Eif (!cached) { var file = path.join(basedir, asset); var text = fs.readFileSync(file, 'utf-8'); var extname = path.extname(file); if (extname === '.less') { text = transform.transformLess(text); } else if (extname === '.styl') { text = transform.transformStylus(text); } else if (extname === '.coffee') { text = transform.transformCoffee(text); } var transformed; // transformed try { transformed = (extname === ".js" || extname === '.coffee') ? transform.transformScript(text) : transform.transformStyle(text); } catch (ex) { ex.message = util.format('Compress %s has error:\n', asset) + ex.message; throw ex; } cache[asset] = { text: text + '\n', minified: transformed + '\n' }; cached = cache[asset]; }   minified += cached.minified; // debug content += cached.text; });   // add hash var md5 = crypto.createHash('md5'); var hash = md5.update(minified).digest('hex').slice(24); var target = item.target; var dir = path.dirname(target); var extname = path.extname(target); var basename = path.basename(target, extname); var format = '%s/%s.%s.%s%s'; // {dir}/{basename}.{hash}.{version}{extname} item.min = util.format(format, dir, basename, hash, 'min', extname); item.debug = util.format(format, dir, basename, hash, 'debug', extname); // clean cache cache = {}; // 写入压缩的文件和debug版本的文件 fs.writeFileSync(path.join(basedir, item.min), minified); fs.writeFileSync(path.join(basedir, item.debug), content); });   return arr; };   /** * 将压缩生成的文件映射关系转换为map * ``` * [ * {target: "x.js", min: "x.hash.js", debug: "x.hash.debug.js", * assets:["path1", "path2"]}, * {target: "x.css", min: "x.hash.css", debug: "x.hash.debug.css", * assets:["path1", "path2"]} * ] * => * { * "x.js": "x.hash.js", * "x.css": "x.hash.css" * } * ``` * @param {Array} arr 压缩生成的映射关系数组 */ exports.map = function (arr) { var map = {}; arr.forEach(function (item) { map[item.target] = item.min; }); return map; };   /** * 扫描指定目录，生成合并压缩映射关系数组 * 生成结构如下： * ``` * [ * {target: "x.js", assets:["path1", "path2"]}, * {target: "x.css", assets:["path1", "path2"]} * ] * ``` * @param {String} dirpath The dir path */ exports.scanDir = function (dirpath) { var views = fs.readdirSync(dirpath).sort(); var combo = [];   views = views.filter(function (val, index) { return ['.DS_Store', '.svn', '.git'].indexOf(val) === -1; });   views.forEach(function (filename, index) { var realPath = path.join(dirpath, filename); var stat = fs.statSync(realPath); if (stat.isFile()) { var section = fs.readFileSync(realPath, "utf8"); combo = combo.concat(exports.scan(section)); } else Eif (stat.isDirectory()) { combo = combo.concat(exports.scanDir(realPath)); } });   return combo; };  </pre></td></tr> </table></pre> </div> <div class="footer"> <div class="meta">Generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Fri Sep 11 2015 13:12:45 GMT+0800 (CST)</div> </div> <script src="../../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../../sorter.js"></script> </body> </html>