@srejs/react
Version:
@srejs/react是一个轻量级服务端渲染骨架工具，为koa社区的nodejs开发框架提供具有服务端渲染能力的工具包，使得类似umajs类的web开发框架可以更方便实现前后端同构的服务端渲染能力。特点：轻量级，模板式调用页面进行服务端渲染，不限制后端路由。
417 lines (414 loc) • 28.1 kB
JavaScript
"use strict";
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.renderServer = exports.render = exports.readPageHtml = exports.checkModules = void 0;
var _fs = require("fs");
var _react = require("react");
var _serializeJavascript = require("serialize-javascript");
var _server = require("react-dom/server");
var _reactRouterDom = require("react-router-dom");
var _common = _interopRequireWildcard(require("@srejs/common"), true);
var _initialProps = require("./initialProps");
var _reactWebpack = require("@srejs/react-webpack");
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != _typeof(e) && "function" != typeof e) return { "default": e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n["default"] = e, t && t.set(e, n), n; }
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
function _regeneratorRuntime() { "use strict"; /*! regenerator-runtime -- Copyright (c) 2014-present, Facebook, Inc. -- license (MIT): https://github.com/facebook/regenerator/blob/main/LICENSE */ _regeneratorRuntime = function _regeneratorRuntime() { return e; }; var t, e = {}, r = Object.prototype, n = r.hasOwnProperty, o = Object.defineProperty || function (t, e, r) { t[e] = r.value; }, i = "function" == typeof Symbol ? Symbol : {}, a = i.iterator || "@@iterator", c = i.asyncIterator || "@@asyncIterator", u = i.toStringTag || "@@toStringTag"; function define(t, e, r) { return Object.defineProperty(t, e, { value: r, enumerable: !0, configurable: !0, writable: !0 }), t[e]; } try { define({}, ""); } catch (t) { define = function define(t, e, r) { return t[e] = r; }; } function wrap(t, e, r, n) { var i = e && e.prototype instanceof Generator ? e : Generator, a = Object.create(i.prototype), c = new Context(n || []); return o(a, "_invoke", { value: makeInvokeMethod(t, r, c) }), a; } function tryCatch(t, e, r) { try { return { type: "normal", arg: t.call(e, r) }; } catch (t) { return { type: "throw", arg: t }; } } e.wrap = wrap; var h = "suspendedStart", l = "suspendedYield", f = "executing", s = "completed", y = {}; function Generator() {} function GeneratorFunction() {} function GeneratorFunctionPrototype() {} var p = {}; define(p, a, function () { return this; }); var d = Object.getPrototypeOf, v = d && d(d(values([]))); v && v !== r && n.call(v, a) && (p = v); var g = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(p); function defineIteratorMethods(t) { ["next", "throw", "return"].forEach(function (e) { define(t, e, function (t) { return this._invoke(e, t); }); }); } function AsyncIterator(t, e) { function invoke(r, o, i, a) { var c = tryCatch(t[r], t, o); if ("throw" !== c.type) { var u = c.arg, h = u.value; return h && "object" == _typeof(h) && n.call(h, "__await") ? e.resolve(h.__await).then(function (t) { invoke("next", t, i, a); }, function (t) { invoke("throw", t, i, a); }) : e.resolve(h).then(function (t) { u.value = t, i(u); }, function (t) { return invoke("throw", t, i, a); }); } a(c.arg); } var r; o(this, "_invoke", { value: function value(t, n) { function callInvokeWithMethodAndArg() { return new e(function (e, r) { invoke(t, n, e, r); }); } return r = r ? r.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg(); } }); } function makeInvokeMethod(e, r, n) { var o = h; return function (i, a) { if (o === f) throw Error("Generator is already running"); if (o === s) { if ("throw" === i) throw a; return { value: t, done: !0 }; } for (n.method = i, n.arg = a;;) { var c = n.delegate; if (c) { var u = maybeInvokeDelegate(c, n); if (u) { if (u === y) continue; return u; } } if ("next" === n.method) n.sent = n._sent = n.arg;else if ("throw" === n.method) { if (o === h) throw o = s, n.arg; n.dispatchException(n.arg); } else "return" === n.method && n.abrupt("return", n.arg); o = f; var p = tryCatch(e, r, n); if ("normal" === p.type) { if (o = n.done ? s : l, p.arg === y) continue; return { value: p.arg, done: n.done }; } "throw" === p.type && (o = s, n.method = "throw", n.arg = p.arg); } }; } function maybeInvokeDelegate(e, r) { var n = r.method, o = e.iterator[n]; if (o === t) return r.delegate = null, "throw" === n && e.iterator["return"] && (r.method = "return", r.arg = t, maybeInvokeDelegate(e, r), "throw" === r.method) || "return" !== n && (r.method = "throw", r.arg = new TypeError("The iterator does not provide a '" + n + "' method")), y; var i = tryCatch(o, e.iterator, r.arg); if ("throw" === i.type) return r.method = "throw", r.arg = i.arg, r.delegate = null, y; var a = i.arg; return a ? a.done ? (r[e.resultName] = a.value, r.next = e.nextLoc, "return" !== r.method && (r.method = "next", r.arg = t), r.delegate = null, y) : a : (r.method = "throw", r.arg = new TypeError("iterator result is not an object"), r.delegate = null, y); } function pushTryEntry(t) { var e = { tryLoc: t[0] }; 1 in t && (e.catchLoc = t[1]), 2 in t && (e.finallyLoc = t[2], e.afterLoc = t[3]), this.tryEntries.push(e); } function resetTryEntry(t) { var e = t.completion || {}; e.type = "normal", delete e.arg, t.completion = e; } function Context(t) { this.tryEntries = [{ tryLoc: "root" }], t.forEach(pushTryEntry, this), this.reset(!0); } function values(e) { if (e || "" === e) { var r = e[a]; if (r) return r.call(e); if ("function" == typeof e.next) return e; if (!isNaN(e.length)) { var o = -1, i = function next() { for (; ++o < e.length;) if (n.call(e, o)) return next.value = e[o], next.done = !1, next; return next.value = t, next.done = !0, next; }; return i.next = i; } } throw new TypeError(_typeof(e) + " is not iterable"); } return GeneratorFunction.prototype = GeneratorFunctionPrototype, o(g, "constructor", { value: GeneratorFunctionPrototype, configurable: !0 }), o(GeneratorFunctionPrototype, "constructor", { value: GeneratorFunction, configurable: !0 }), GeneratorFunction.displayName = define(GeneratorFunctionPrototype, u, "GeneratorFunction"), e.isGeneratorFunction = function (t) { var e = "function" == typeof t && t.constructor; return !!e && (e === GeneratorFunction || "GeneratorFunction" === (e.displayName || e.name)); }, e.mark = function (t) { return Object.setPrototypeOf ? Object.setPrototypeOf(t, GeneratorFunctionPrototype) : (t.__proto__ = GeneratorFunctionPrototype, define(t, u, "GeneratorFunction")), t.prototype = Object.create(g), t; }, e.awrap = function (t) { return { __await: t }; }, defineIteratorMethods(AsyncIterator.prototype), define(AsyncIterator.prototype, c, function () { return this; }), e.AsyncIterator = AsyncIterator, e.async = function (t, r, n, o, i) { void 0 === i && (i = Promise); var a = new AsyncIterator(wrap(t, r, n, o), i); return e.isGeneratorFunction(r) ? a : a.next().then(function (t) { return t.done ? t.value : a.next(); }); }, defineIteratorMethods(g), define(g, u, "Generator"), define(g, a, function () { return this; }), define(g, "toString", function () { return "[object Generator]"; }), e.keys = function (t) { var e = Object(t), r = []; for (var n in e) r.push(n); return r.reverse(), function next() { for (; r.length;) { var t = r.pop(); if (t in e) return next.value = t, next.done = !1, next; } return next.done = !0, next; }; }, e.values = values, Context.prototype = { constructor: Context, reset: function reset(e) { if (this.prev = 0, this.next = 0, this.sent = this._sent = t, this.done = !1, this.delegate = null, this.method = "next", this.arg = t, this.tryEntries.forEach(resetTryEntry), !e) for (var r in this) "t" === r.charAt(0) && n.call(this, r) && !isNaN(+r.slice(1)) && (this[r] = t); }, stop: function stop() { this.done = !0; var t = this.tryEntries[0].completion; if ("throw" === t.type) throw t.arg; return this.rval; }, dispatchException: function dispatchException(e) { if (this.done) throw e; var r = this; function handle(n, o) { return a.type = "throw", a.arg = e, r.next = n, o && (r.method = "next", r.arg = t), !!o; } for (var o = this.tryEntries.length - 1; o >= 0; --o) { var i = this.tryEntries[o], a = i.completion; if ("root" === i.tryLoc) return handle("end"); if (i.tryLoc <= this.prev) { var c = n.call(i, "catchLoc"), u = n.call(i, "finallyLoc"); if (c && u) { if (this.prev < i.catchLoc) return handle(i.catchLoc, !0); if (this.prev < i.finallyLoc) return handle(i.finallyLoc); } else if (c) { if (this.prev < i.catchLoc) return handle(i.catchLoc, !0); } else { if (!u) throw Error("try statement without catch or finally"); if (this.prev < i.finallyLoc) return handle(i.finallyLoc); } } } }, abrupt: function abrupt(t, e) { for (var r = this.tryEntries.length - 1; r >= 0; --r) { var o = this.tryEntries[r]; if (o.tryLoc <= this.prev && n.call(o, "finallyLoc") && this.prev < o.finallyLoc) { var i = o; break; } } i && ("break" === t || "continue" === t) && i.tryLoc <= e && e <= i.finallyLoc && (i = null); var a = i ? i.completion : {}; return a.type = t, a.arg = e, i ? (this.method = "next", this.next = i.finallyLoc, y) : this.complete(a); }, complete: function complete(t, e) { if ("throw" === t.type) throw t.arg; return "break" === t.type || "continue" === t.type ? this.next = t.arg : "return" === t.type ? (this.rval = this.arg = t.arg, this.method = "return", this.next = "end") : "normal" === t.type && e && (this.next = e), y; }, finish: function finish(t) { for (var e = this.tryEntries.length - 1; e >= 0; --e) { var r = this.tryEntries[e]; if (r.finallyLoc === t) return this.complete(r.completion, r.afterLoc), resetTryEntry(r), y; } }, "catch": function _catch(t) { for (var e = this.tryEntries.length - 1; e >= 0; --e) { var r = this.tryEntries[e]; if (r.tryLoc === t) { var n = r.completion; if ("throw" === n.type) { var o = n.arg; resetTryEntry(r); } return o; } } throw Error("illegal catch attempt"); }, delegateYield: function delegateYield(e, r, n) { return this.delegate = { iterator: values(e), resultName: r, nextLoc: n }, "next" === this.method && (this.arg = t), y; } }, e; }
function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
/**
* 写入文件,存在则覆盖
* @param {*} path 文件名称
* @param {*} Content 内容
*/
var writeFile = /*#__PURE__*/function () {
var _ref = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee(path, Content) {
return _regeneratorRuntime().wrap(function _callee$(_context) {
while (1) switch (_context.prev = _context.next) {
case 0:
return _context.abrupt("return", new Promise(function (resolve) {
_fs.writeFile(path, Content, {
encoding: 'utf8'
}, function (err) {
if (err) {
resolve(false);
} else {
resolve(true);
_common.Logger.info("SSR:Page component ".concat(path, " successfully writes the server rendering cache"));
}
});
}));
case 1:
case "end":
return _context.stop();
}
}, _callee);
}));
return function writeFile(_x, _x2) {
return _ref.apply(this, arguments);
};
}();
/**
* 用Promise封装异步读取文件方法
* @param {string} page html文件名称
* @return {promise}
*/
var readPageHtml = exports.readPageHtml = function readPageHtml(page) {
return new Promise( /*#__PURE__*/function () {
var _ref2 = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee2(resolve, reject) {
var viewUrl, readFileSync, htmlString;
return _regeneratorRuntime().wrap(function _callee2$(_context2) {
while (1) switch (_context2.prev = _context2.next) {
case 0:
viewUrl = "".concat(_common.clientDir, "/").concat(page, "/").concat(page, ".html");
readFileSync = function readFileSync() {
_fs.readFile(viewUrl, 'utf8', function (err, htmlString) {
if (err) {
reject(err);
_common.Logger.error('SSR: The client code is being compiled, please refresh the browser later...');
} else {
resolve(htmlString);
}
});
};
if (_common["default"].isDev()) {
try {
htmlString = _reactWebpack.DevMiddlewareFileSystem.readFileSync(viewUrl, 'utf-8');
resolve(htmlString);
} catch (error) {
readFileSync();
}
} else {
readFileSync();
}
case 3:
case "end":
return _context2.stop();
}
}, _callee2);
}));
return function (_x3, _x4) {
return _ref2.apply(this, arguments);
};
}());
};
var writeFileHander = function writeFileHander(cacheDir, cacheUrl, Content) {
_fs.exists(cacheUrl, function (exists) {
if (exists) {
writeFile(cacheUrl, Content);
} else {
_fs.mkdir(cacheDir, {
recursive: true
}, function (err) {
if (err) {
_common.Logger.error("SSR:".concat(err.stack));
} else {
writeFile(cacheUrl, Content);
}
});
}
});
};
var checkModules = exports.checkModules = /*#__PURE__*/function () {
var _ref3 = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee3(page) {
var jspath, jsClientdir, compiler, _compiler;
return _regeneratorRuntime().wrap(function _callee3$(_context3) {
while (1) switch (_context3.prev = _context3.next) {
case 0:
jspath = "".concat(_common.serverDir, "/").concat(page, "/").concat(page, ".js");
jsClientdir = "".concat(_common.clientDir, "/").concat(page);
if (_fs.existsSync(jspath)) {
_context3.next = 6;
break;
}
//服务端代码打包
compiler = new _reactWebpack.WebpackReact(page, _common["default"].isDev(), true);
_context3.next = 6;
return compiler.run();
case 6:
if (!(!_fs.existsSync(jsClientdir) && !_common["default"].isDev())) {
_context3.next = 10;
break;
}
//客户端代码打包
_compiler = new _reactWebpack.WebpackReact(page, _common["default"].isDev());
_context3.next = 10;
return _compiler.run();
case 10:
return _context3.abrupt("return", jspath);
case 11:
case "end":
return _context3.stop();
}
}, _callee3);
}));
return function checkModules(_x5) {
return _ref3.apply(this, arguments);
};
}();
/**
* Router类型页面渲染解析
* @param {*} ctx
* @param {*} next
*/
var renderServer = exports.renderServer = /*#__PURE__*/function () {
var _ref4 = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee4(ctx) {
var initProps,
ssr,
context,
props,
query,
_ctx$SSRKEY,
page,
options,
path,
rootNode,
baseName,
_options$layout,
layout,
Entry,
App,
Html,
location,
jspath,
Module,
data,
ssrData,
injectScriptInitProps,
document,
_args4 = arguments;
return _regeneratorRuntime().wrap(function _callee4$(_context4) {
while (1) switch (_context4.prev = _context4.next) {
case 0:
initProps = _args4.length > 1 && _args4[1] !== undefined ? _args4[1] : {};
ssr = _args4.length > 2 && _args4[2] !== undefined ? _args4[2] : true;
context = {};
props = Object.assign({}, initProps);
query = ctx[_common.SSRKEY].query;
_ctx$SSRKEY = ctx[_common.SSRKEY], page = _ctx$SSRKEY.page, options = _ctx$SSRKEY.options, path = _ctx$SSRKEY.path;
rootNode = options.rootNode, baseName = options.baseName, _options$layout = options.layout, layout = _options$layout === void 0 ? true : _options$layout; // baseName默认为page
query = (0, _common.filterXssByJson)(query);
if ((0, _reactWebpack.getEntryList)().has(page)) {
_context4.next = 10;
break;
}
return _context4.abrupt("return", "Page component ".concat(page, " does not exist, please check the pages folder"));
case 10:
Entry = {};
App = {};
Html = '';
location = ctx.url.split(baseName)[1];
if (!ssr) {
_context4.next = 29;
break;
}
_context4.next = 17;
return checkModules(page);
case 17:
jspath = _context4.sent;
// 静态方法只在ssr模式下在node服务端被调用。
try {
// eslint-disable-next-line no-undef
if (_common["default"].isDev()) {
delete require.cache[require.resolve(jspath)];
}
Module = require(jspath);
App = Module.App; //
// 兼容1.2.7版本之前构建的.ssr缓存入口文件
if (!App) {
App = Module["default"];
_common.Logger.warn("SSR: \u8BF7\u624B\u52A8\u5220\u9664\u9879\u76EE\u6839\u76EE\u5F55\u4E0B\u7684.ssr\u7F13\u5B58\u76EE\u5F55\u540E\u91CD\u65B0\u542F\u52A8\uFF0C\u5426\u5219layout\u5C06\u4E0D\u4F1A\u6B63\u5E38\u5DE5\u4F5C\u3002");
}
Entry = Module["default"];
} catch (error) {
// eslint-disable-next-line no-console
_common.Logger.error("SSR: ".concat(page, "\u9875\u9762\u670D\u52A1\u7AEF\u52A0\u8F7D\u5165\u53E3\u6587\u4EF6\u5F02\u5E38\uFF0C\u8BF7\u68C0\u67E5\u662F\u5426\u5728\u4EE3\u7801\u7A0B\u5E8F\u4E2D\u4F7F\u7528\u5230\u6D4F\u89C8\u5668\u5BBF\u4E3B\u5BF9\u8C61\u7279\u5B9A\u7684API(\u5305\u62EC\u7B2C\u4E09\u65B9\u6A21\u5757\u9700\u652F\u6301SSR\u6A21\u5F0F\u5B89\u88C5)\n Please check whether there are api in the code that the server does not support when rendering,\n such as window, locaction, navigator, etc"));
_common.Logger.error(error.stack);
}
_context4.t0 = Object;
_context4.next = 22;
return (0, _initialProps.loadGetInitialProps)(App, ctx);
case 22:
_context4.t1 = _context4.sent;
if (_context4.t1) {
_context4.next = 25;
break;
}
_context4.t1 = {};
case 25:
_context4.t2 = _context4.t1;
_context4.t3 = initProps;
props = _context4.t0.assign.call(_context4.t0, _context4.t2, _context4.t3);
try {
Html = _server.renderToString( /*#__PURE__*/_react.createElement(_reactRouterDom.StaticRouter, {
location: location || '/',
context: context
}, /*#__PURE__*/_react.createElement(Entry, {
params: _objectSpread({
page: page,
path: path,
query: query
}, props),
layout: layout
})));
} catch (error) {
ctx[_common.SSRKEY].options.ssr = false;
_common.Logger.warn("SSR: \u670D\u52A1\u7AEF\u6E32\u67D3\u5F02\u5E38\uFF0C\u964D\u7EA7\u4F7F\u7528\u5BA2\u6237\u7AEF\u6E32\u67D3:".concat(error.message));
}
case 29:
if (!context.url) {
_context4.next = 34;
break;
}
ctx.res.writeHead(301, {
Location: page + context.url
});
ctx.res.end();
_context4.next = 43;
break;
case 34:
_context4.next = 36;
return readPageHtml(page);
case 36:
data = _context4.sent;
Html = data.replace("<div id=\"".concat(rootNode, "\">"), "<div id=\"".concat(rootNode, "\">").concat(Html));
ssrData = {
initProps: props,
page: page,
path: encodeURI(ctx[_common.SSRKEY].path),
query: query,
options: options
};
injectScriptInitProps = function injectScriptInitProps(temp, ssrData) {
var contents = temp.split('</head>');
if (contents.length == 1) {
console.error('SSR:警告！自定义html文件中必须包含</head>闭合标签。');
}
return contents[0] + '<script>window.__SSR_DATA__=' + _serializeJavascript(ssrData, {
isJSON: true
}) + '</script>' + '</head>' + contents[1];
};
document = injectScriptInitProps(Html, ssrData);
document = renderDocumentHead(document, props);
return _context4.abrupt("return", document);
case 43:
case "end":
return _context4.stop();
}
}, _callee4);
}));
return function renderServer(_x6) {
return _ref4.apply(this, arguments);
};
}();
/**
* 获取服务端渲染直出资源
* @param {*} ctx
*/
var render = exports.render = /*#__PURE__*/function () {
var _ref5 = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee6(ctx, initProps) {
var page, _ctx$SSRKEY$options, cache, ssr;
return _regeneratorRuntime().wrap(function _callee6$(_context6) {
while (1) switch (_context6.prev = _context6.next) {
case 0:
page = ctx[_common.SSRKEY].page;
_ctx$SSRKEY$options = ctx[_common.SSRKEY].options, cache = _ctx$SSRKEY$options.cache, ssr = _ctx$SSRKEY$options.ssr;
return _context6.abrupt("return", new Promise( /*#__PURE__*/function () {
var _ref6 = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee5(resolve) {
var ssrCacheDir, ssrCacheUrl, rs, document;
return _regeneratorRuntime().wrap(function _callee5$(_context5) {
while (1) switch (_context5.prev = _context5.next) {
case 0:
if (ssr) {
_context5.next = 6;
break;
}
_context5.t0 = resolve;
_context5.next = 4;
return renderServer(ctx, initProps, false);
case 4:
_context5.t1 = _context5.sent;
return _context5.abrupt("return", (0, _context5.t0)(_context5.t1));
case 6:
ssrCacheDir = "".concat(_common.cacheDir).concat(ctx.url, "/");
ssrCacheUrl = "".concat(_common.cacheDir).concat(ctx.url, "/").concat(page, ".html");
if (!(_common["default"].isDev() || !cache)) {
_context5.next = 16;
break;
}
_context5.t2 = resolve;
_context5.next = 12;
return renderServer(ctx, initProps, true);
case 12:
_context5.t3 = _context5.sent;
return _context5.abrupt("return", (0, _context5.t2)(_context5.t3));
case 16:
if (!_fs.existsSync(ssrCacheUrl)) {
_context5.next = 21;
break;
}
// ssr缓存模式，执行一次ssr 第二次直接返回缓存后的html静态资源
rs = _fs.createReadStream(ssrCacheUrl, 'utf-8');
return _context5.abrupt("return", resolve(rs));
case 21:
_context5.next = 23;
return renderServer(ctx, initProps, true);
case 23:
document = _context5.sent;
process.nextTick(function () {
writeFileHander(ssrCacheDir, ssrCacheUrl, document); //异步写入服务器缓存目录
});
return _context5.abrupt("return", resolve(document));
case 26:
case "end":
return _context5.stop();
}
}, _callee5);
}));
return function (_x9) {
return _ref6.apply(this, arguments);
};
}()));
case 3:
case "end":
return _context6.stop();
}
}, _callee6);
}));
return function render(_x7, _x8) {
return _ref5.apply(this, arguments);
};
}();
/**
* 从initprops中读取title,keyworkds desription写入到html中
* @param {*} html
* @param {*} initProps
*/
var renderDocumentHead = function renderDocumentHead(document, initProps) {
var resStr = '';
['title', 'keywords', 'description'].forEach(function (key) {
if (initProps[key]) {
if (key == 'title') {
resStr = "<title>".concat(initProps[key], "</title>");
document = document.replace(/<title>.*<\/title>/, resStr);
} else {
var reg = new RegExp("<meta\\s+name=[\\\"']".concat(key, "[\\\"'].*?content=[\\\"']([\\S\\s]*?)[\\\"'].*?[\\/]?>"));
resStr = "<meta name=\"".concat(key, "\" content=\"").concat(initProps[key], "\">");
if (document.match(reg)) {
//replace
document = document.replace(reg, resStr);
} else {
//add
document = document.replace('<title>', "<meta name=\"".concat(key, "\" content=\"").concat(initProps[key], "\">\r\n <title>"));
}
}
}
});
return document;
};