{"id":7488,"date":"2018-04-24T22:49:27","date_gmt":"2018-04-24T14:49:27","guid":{"rendered":"http:\/\/www.zhangxinxu.com\/wordpress\/?p=7488"},"modified":"2018-04-24T22:53:45","modified_gmt":"2018-04-24T14:53:45","slug":"service-worker-client-online-html-css-complie","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2018\/04\/service-worker-client-online-html-css-complie\/","title":{"rendered":"Service Worker\u5b9e\u73b0\u6d4f\u89c8\u5668\u7aef\u9875\u9762\u6e32\u67d3\u6216CSS,JS\u7f16\u8bd1"},"content":{"rendered":"

by zhangxinxu<\/a> from http:\/\/www.zhangxinxu.com\/wordpress\/?p=7488<\/a>
\n\u672c\u6587\u53ef\u5168\u6587\u8f6c\u8f7d\uff0c\u4f46\u9700\u8981\u4fdd\u7559\u539f\u4f5c\u8005\u548c\u51fa\u5904\uff0c\u6458\u8981\u5f15\u6d41\u5219\u968f\u610f\u3002<\/p>\n

\"Service<\/p>\n

Service Worker\u63d0\u4f9b\u4e86\u4e00\u79cd\u80fd\u529b\uff0c\u53ef\u4ee5fetch\u8bf7\u6c42\u7684\u8d44\u6e90\uff0c\u7136\u540e\u540eService Worker\u4e2d\u8fdb\u884c\u7f16\u8bd1\u6216\u8f6c\u5316\uff0c\u8fd4\u56de\u5904\u7406\u540e\u7684\u5176\u4ed6\u8d44\u6e90\uff0c\u8fd9\u79cd\u7279\u6027\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u5404\u79cd\u8d44\u6e90\u7684\u5728\u7ebf\u7684\u5ba2\u6237\u7aef\u7f16\u8bd1\uff0c\u672c\u6587\u5c31\u5c06\u629b\u7816\u5f15\u7389\uff0c\u901a\u8fc7\u4e24\u4e2a\u5e94\u7528\u6848\u4f8b\uff0c\u5c55\u793a\u672a\u6765web\u5f00\u53d1\u53ef\u80fd\u7684\u9762\u8c8c\u3002<\/p>\n

\u4e00\u3001Service Worker\u4e0e\u76f4\u63a5\u6570\u636e\u548cHTML\u6a21\u677f\u6e32\u67d3\u9875\u9762<\/h3>\n

\u73b0\u5728\u5f88\u591a\u7f51\u7ad9\u7684\u9875\u9762\u662f\u57fa\u4e8eNode.js\u76f4\u63a5\u6e32\u67d3\u8f93\u51fa\u7684\uff0c\u4ee5\u5b9e\u73b0\u5b8c\u5168\u7684\u524d\u540e\u7aef\u5206\u79bb\uff0c\u800c\u8fd9\u79cd\u6e32\u67d3\u672c\u8d28\u4e0a\u8fd8\u662f\u5728\u670d\u52a1\u7aef\u8fdb\u884c\u7684\uff0c\u53ea\u662f\u6e32\u67d3\u7684\u8bed\u8a00\u662fJavaScript\u3002<\/p>\n

\u5b9e\u9645\u4e0a\uff0c\u6709\u4e86Service Worker\uff0c\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u5728\u5ba2\u6237\u7aef\uff0c\u4e5f\u5c31\u662f\u6d4f\u89c8\u5668\u91cc\u9762\u76f4\u63a5\u8fdb\u884c\u6e32\u67d3\uff0c\u4f18\u70b9\u662f\u2026\u2026\u4e4d\u4e00\u60f3\uff0c\u5176\u5b9e\u6ca1\u4ec0\u4e48\u7279\u522b\u7684\u4f18\u70b9\uff0c\u65e0\u975e\u662f\u4f20\u8f93\u7684HTML\u9875\u9762\u7684\u4f53\u79ef\u5c0f\u4e86\uff0c\u4e0d\u8fc7\u8fd9\u70b9\u4f18\u5316\u7684\u4f53\u79ef\u5c31\u50cf\u662f\u9694\u9774\u6414\u75d2\uff0c\u676f\u6c34\u8f66\u85aa\uff0c\u4e0d\u503c\u4e00\u63d0\u3002\u4f46\u540e\u6765\u6709\u4e00\u60f3\uff0c\u4e0d\u5bf9\u554a\uff0c\u8fd9HTML\u7f16\u8bd1\u5168\u5728\u5ba2\u6237\u7aef\u6267\u884c\uff0c\u5c82\u4e0d\u662f\u7701\u4e86\u5f88\u591a\u670d\u52a1\u5668\uff0c\u4e3a\u516c\u53f8\u7701\u4e86\u5f88\u591a\u94b1\uff0c\u56e0\u4e3a\u70e7\u7684\u90fd\u662f\u7528\u6237\u7684\u7535\u3002<\/p>\n

\u800c\u4e14\uff0c\u6bd5\u7adf\u662f\u53e6\u5916\u7684\u4e00\u79cd\u89e3\u51b3\u601d\u8def\uff0c\u4fdd\u4e0d\u51c6\u67d0\u4e9b\u573a\u666f\u4e0b\u80fd\u5927\u653e\u5f02\u5f69\u5462\uff0c\u629b\u7816\u5f15\u7389\u561b\uff0c\u91cd\u5728\u80fd\u529b\u5c55\u793a\u3002<\/p>\n

\u6211\u4eec\u5148\u770b\u5b9e\u9645\u4f8b\u5b50\uff0c\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1aService Worker\u4e0e\u5ba2\u6237\u7aef\u6e32\u67d3HTML\u6e32\u67d3\u9875\u9762demo<\/a><\/p>\n

\u6253\u5f00\u4e00\u770b\uff0c\u5c31\u662f\u4e2a\u5217\u8868\uff0c\u800c\u4e14\u6570\u636e\u8fd8\u662f2012\u5e74\u5317\u4eac\u852c\u83dc\u4ef7\u683c\u4ec0\u4e48\u9b3c\uff1f\u9996\u5148\uff0c\u6570\u636e\u4ec0\u4e48\u7684\u4e0d\u662f\u91cd\u70b9\uff0c\u53ea\u4ece\u4e3a\u4e86\u8282\u7ea6\u65f6\u95f4\u4ece\u8fd9\u7bc7\u6587\u7ae0\u201c\u57fa\u4e8eHTML\u6a21\u677f\u548cJSON\u6570\u636e\u7684JavaScript\u4ea4\u4e92<\/a>\u201d\u5f04\u8fc7\u6765\u7684\uff0c<\/p>\n

\u8fd9\u4e2a\u9875\u9762\u7384\u673a\u7684\u8981\u770b\u5f00\u53d1\u6587\u4ef6\u6e90\u4ee3\u7801\u624d\u884c\uff08\u53f3\u952e\u9875\u9762\u6e90\u4ee3\u7801\u90fd\u4e0d\u884c\uff09\uff1ahttps:\/\/github.com\/zhangxinxu\/https-demo\/tree\/master\/online-render<\/a><\/p>\n

\u53ef\u4ee5\u770b\u5230\uff0cindex.html<\/code>\u6587\u4ef6\u6e90\u4ee3\u7801\u5217\u8868\u660e\u660e\u662f\u6a21\u677f\u8bed\u6cd5\uff1a<\/p>\n

\"html\u5f00\u53d1\u6e90\u4ee3\u7801\"<\/p>\n

\u4f46\u662f\u6211\u4eec\u53f3\u952e\u9875\u9762\uff0c\u67e5\u770bHTML\u6e90\u4ee3\u7801\u7684\u65f6\u5019\u786e\u662f\u771f\u5b9e\u7684\u5217\u8868\u5185\u5bb9\uff1a<\/p>\n

\"html\u5728\u7ebf\u7f16\u8bd1\u540e\u7684\u9875\u9762\u6e90\u4ee3\u7801\"<\/p>\n

\u4e3a\u4ec0\u4e48\u4f1a\u53d1\u751f\u8fd9\u4e48\u795e\u5947\u7684\u4e8b\u60c5\uff1f\u7384\u673a\u5c31\u662fService Worker\u5728\u80cc\u540e\u505a\u4e86HTML\u7684\u6570\u636e\u6e32\u67d3\u3002<\/p>\n

\u9996\u5148\uff0c\u6ce8\u518cService Worker\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

if ('serviceWorker' in navigator) {\n    navigator.serviceWorker.register('.\/sw-reader.js', {\n        scope: '.\/'\n    });\n}<\/pre>\n
\u7136\u540e\u5173\u952e\u5c31\u662fsw-reader.js<\/code>\uff08\u8bbf\u95ee\u70b9\u51fb\u8fd9\u91cc<\/a>\uff09\uff0c\u505a\u4e86\u4e24\u4ef6\u4e8b\u60c5\uff1a<\/p>\n
    \n
  1. \u5185\u7f6e\u6781\u7b80\u6a21\u677f\u6e32\u67d3\u5f15\u64ce\uff0c\u91c7\u7528\u7684\u662f\u8001\u7248\u672c\u7684artTemplate\uff0c\u5927\u5c0f\u4ec52.3K\u3002\u622a\u56fe\u5982\u4e0b\uff1a\n
    \"\u6a21\u677f\u6e32\u67d3\u65b9\u6cd5\u622a\u56fe\"<\/li>\n
  2. \u6355\u83b7.html<\/code>\u7684\u8bf7\u6c42\uff0c\u5e76\u5bf9\u83b7\u53d6\u5230\u7684\u7684HTML\u5b57\u7b26\u5185\u5bb9\u8fdb\u884c\u6a21\u677f\u6e32\u67d3\uff0c\u5e76\u8fd4\u56de\u8f93\u51fa\u3002\u5b8c\u6210JS\u4ee3\u7801\u5982\u4e0b\uff1a\n
    self.addEventListener('fetch', function(event) {\n  event.respondWith(async function () {\n    if (\/\\.html\/.test(event.request.url)) {\n      let res = await fetch(event.request);\n      let text = await res.text();\n      \n      var data = {};\n      \/\/ \u8fc7\u6ee4JSON\u6570\u636e\uff0c\u4f7f\u4e0d\u66b4\u9732\u7ed9\u7528\u6237<\/span>\n      text = text.replace(\/([\\w\\W]*?)<\\\/script>\/, function (matchs, $1) {\n        \/\/ \u83b7\u53d6\u9875\u9762\u6e32\u67d3\u7684JSON\u6570\u636e<\/span>\n        data = JSON.parse($1);\n        return '';\n      });\n      \/\/ \u6a21\u677ftext\u548c\u6570\u636edata\u8fdb\u884c\u6e32\u67d3\u5e76\u91cd\u65b0\u8fd4\u56de\u7ed9\u6d4f\u89c8\u5668<\/span>\n      return new Response(template.compile(text)(data), {\n        headers: {\n          'content-type': 'text\/html; charset=utf-8'\n        }\n      });\n    }\n    return fetch(event.request);\n  }());\n});<\/pre>\n<\/li>\n
    \u4e5f\u5c31\u662f\u53d8\u91cftext<\/code>\u662f\u539f\u59cb\u7684HTML\u4ee3\u7801\uff0c\u800c\u5728Service Worker\u4e2d\u8fd4\u56de\u7684\u662ftemplate.compile(text)(data)<\/code>\u6e32\u67d3\u540e\u7684HTML\u4ee3\u7801\uff0c\u4e8e\u662f\uff0c\u6d4f\u89c8\u5668\u4e2d\u5448\u73b0\u7684\u5c31\u662f\u6700\u7ec8\u7684\u5217\u8868\u6570\u636e\u800c\u975e\u539f\u59cb\u6a21\u677fHTML\u3002\n<\/ol>\n
    \u5728\u672cdemo\u4e2d\uff0c\u6211\u662f\u5c06\u9875\u9762\u9700\u8981\u7684JSON\u6570\u636e\u653e\u5728\u4e86\u6a21\u677f\u9875\u9762\u5934\u90e8\uff0c\u5e76\u4f7f\u7528<script type=\"text\/json\"><\/code>\u8fdb\u884c\u6807\u793a\uff0c\u622a\u56fe\u5982\u4e0b\uff1a<\/p>\n
    \"JSON\u6570\u636e\u6807\u8bc6\"<\/p>\n
    sw-reader.js<\/code>\u4e2d\u5c31\u662f\u5339\u914d<script type=\"text\/json\"><\/code>\u83b7\u53d6JSON\u6570\u636e\u6765\u8fdb\u884c\u6e32\u67d3\u7684\u3002\u5f53\u7136\uff0c\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u6807\u8bc6\uff0c\u4f8b\u5982\uff0c\u524d\u540e\u90fd3\u4e2a\u7f8e\u5143\u7b26\u53f7\u5305\u8d77\u6765\u8fdb\u884c\u8bc6\u522b\uff0c\u4f8b\u5982\uff1a<\/p>\n
    $$${\n   list: []\n}$$$<\/pre>\n
    \u5c31\u662f\u4e0d\u600e\u4e48\u96c5\u89c2\u3002OK\uff0c\u5c0f\u4f8b\u5b50\uff0c\u629b\u7816\u5f15\u7389\uff0c\u4e0b\u9762\u770b\u53e6\u5916\u4e00\u4e2a\u5bf9\u9759\u6001\u8d44\u6e90\u8fdb\u884c\u7f16\u8bd1\u7684\u4f8b\u5b50\u3002<\/p>\n
    \u4e8c\u3001Service Worker\u4e0e\u6d4f\u89c8\u5668\u76f4\u63a5CSS\u7f16\u8bd1<\/h3>\n
    CSS\u4e00\u4e9b\u9884\u7f16\u8bd1\u5de5\u5177\uff0c\u4f8b\u5982\uff0cLess\uff0cStylus\u90fd\u662f\u4f7f\u7528JavaScript\u8fdb\u884c\u7f16\u8bd1\u7684\uff0c\u800c\u8fd9\u4e9b\u7f16\u8bd1\u5de5\u5177\u90fd\u662f\u6709web\u7248\u7684\uff0c\u56e0\u6b64\uff0c\u7406\u8bba\u4e0a\u6211\u4eec\u662f\u53ef\u4ee5\u628aLess\uff0cStylus\u7684\u7f16\u8bd1\u76f4\u63a5\u642c\u5230\u6d4f\u89c8\u5668\u5ba2\u6237\u7aef\u91cc\u9762\uff0c\u7136\u540e\u6211\u4eec\u5c31\u4e0d\u7528\u52a0\u8f7dCSS\u6587\u4ef6\u4e86\uff0c\u76f4\u63a5\u52a0\u8f7dless<\/code>\u6587\u4ef6\uff0cService Worker\u4e2d\u7f16\u8bd1\u6210CSS\u5e76\u8fd4\u56de\uff0c\u9875\u9762\u4e5f\u662f\u53ef\u4ee5\u6b63\u5e38\u8bbf\u95ee\u7684\u3002<\/p>\n
    \u7136\u540e\uff0c\u95ee\u9898\u5728\u4e8e\uff0cLess\uff0cStylus\u7684web\u7248\u89e3\u6790\u5668\u4f53\u79ef\u6709\u4e9b\u5927\uff0c\u538b\u7f29\u540e\u8fd8\u6709150\u591aK\uff0c\u4e2a\u4eba\u89c9\u5f97\u6210\u672c\u6709\u70b9\u9ad8\u4e86\u3002<\/p>\n
    \"Less\u7684JS\u5c3a\u5bf8\"<\/p>\n
    \u4e3a\u4e86\u5feb\u901f\u4e66\u5199\uff0c\u6211\u81ea\u5df1\u5f04\u4e86\u4e2a\u540d\u4e3aQcss\u7684\u7f16\u8bd1\u5de5\u5177\uff0c\u53ef\u4ee5\u8bb2CSS\u58f0\u660e\u81ea\u5b9a\u4e49\u4e3a\u7f29\u5199\uff0c\u4ee5\u5b9e\u73b0\u5199CSS\u4ee3\u7801\u5982\u9a6c\u8e0f\u98de\u71d5\uff0c\u4f8b\u5982\uff1a<\/p>\n
    .class-a { dib; w100; tc; }<\/pre>\n
    \u53ef\u4ee5\u5b9e\u65f6\u8f6c\u6362\u6210\uff1a<\/p>\n
    .class-a {\n  display: inline-block;\n  width: 100px;\n  text-align: center;\n}<\/pre>\n
    \u800c\u8fd9\u4e2a\u7f16\u8bd1\u7684JS\u65b9\u6cd5\u63d0\u53ca\u975e\u5e38\u5c0f\uff0c\u4ec52K\u591a\u4e00\u70b9\uff0c\u548cless\u7684JS\u4ee3\u7801\u91cf\u76f8\u6bd4\u7b80\u76f4\u5c31\u662f\u6bdb\u6bdb\u96e8\uff0c\u56e0\u6b64\u975e\u5e38\u4f7f\u7528\u7528\u5728Service Worker\u5b9e\u73b0\u4e00\u4e2a\u53ef\u4ee5\u5728\u7ebf\u7f16\u8bd1CSS\u7684\u529f\u80fd\u3002<\/p>\n
    \u5148\u770b\u4f8b\u5b50\uff0c\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1aQcss\u548cService Worker\u5728\u6d4f\u89c8\u5668\u4e2d\u7f16\u8bd1\u6210CSS demo<\/a><\/p>\n
    \u6211\u4eec\u6253\u5f00\u63a7\u5236\u53f0\u67e5\u770b\u7f51\u7edc\u8bf7\u6c42\uff0c\u4f1a\u53d1\u73b0\uff0c\u9875\u9762\u8bf7\u6c42\u7684\u662fqcss\u6587\u4ef6\uff0c\u800c\u4e0d\u662f\u4f20\u7edf\u7684css\u6587\u4ef6\uff1a<\/p>\n
    \"\u8bf7\u6c42\u7684\u662fqcss\u6587\u4ef6\"<\/p>\n
    \u800c\u8fd9\u4e2aqcss\u6587\u4ef6<\/a>\u539f\u59cb\u4ee3\u7801\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n
    \"qcss\u539f\u59cb\u4ee3\u7801\"<\/p>\n
    \u5168\u662f\u4e00\u4e9bCSS\u5c5e\u6027\u548c\u5c5e\u6027\u503c\u7684\u7f29\u5199\uff0c\u4f46\u662f\uff0c\u6211\u4eec\u5728demo\u9875\u9762\u67e5\u770bqcss.test\u7684\u8bf7\u6c42\u6570\u636e\uff0c\u5374\u662f\u6b63\u7edf\u7684CSS\u4ee3\u7801\uff0c\u622a\u56fe\u793a\u610f\u5982\u4e0b\uff1a<\/p>\n
    \"\u6e90\u4ee3\u7801\u662fCSS\u4ee3\u7801\"<\/p>\n
    \u540c\u6837\u7684\uff0c\u4e5f\u662fService Worker\u5728\u6d4f\u89c8\u5668\u80cc\u540e\u7f16\u8bd1\u7684\u529f\u52b3\uff0c\u6ce8\u518cService Worker\u7684JS\u6587\u4ef6\u7684\u6838\u5fc3\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
    var qcss=function(b){ \/*qcss\u7f16\u8bd1\u4e3acss\u65b9\u6cd5* \/<\/span>};\n\nself.addEventListener('fetch', function(event) {\n  event.respondWith(async function () {\n    if (\/\\.qcss\/.test(event.request.url)) {\n      let res = await fetch(event.request);\n      let text = await res.text();\n      return new Response(qcss(text)<\/span>, {\n        headers: {\n          'content-type': 'text\/css; charset=utf-8'\n        }\n      });\n    }\n    return fetch(event.request);\n  }());\n});<\/pre>\n
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