122 lines
3.8 KiB
JavaScript
122 lines
3.8 KiB
JavaScript
import React from "react";
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import {renderToString} from "react-dom/server";
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import {StaticRouter, matchPath} from "react-router-dom";
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import StyleContext from 'isomorphic-style-loader/StyleContext'
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import {renderRoutes} from "react-router-config";
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import Routes, { deepRoutes, specialRoute } from "../Routes";
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import { Provider } from "react-redux";
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import { serverStore } from "../src/redux/stores/configureStore";
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// import App from "../src/App";
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// import { Route } from 'react-router-dom';
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import { setDefaultMeta } from '../src/common/UrlTool'
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import Logger from "./log";
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import { changeHead } from './setHead'
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const css = new Set() // 这个必须在路由函数里面，在外面的话，就会累加出现之前的css
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const insertCss = (...styles) => styles.forEach(style => css.add(style._getCss()));
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export const render = async (req,res)=>{
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let _route = null,
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_match = null;
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Logger.info(`${req.url} UA:${req.headers['user-agent']}`)
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let store = serverStore();
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function matchSubRoutes(routes, url) {
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for (const route of routes) {
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// 检查当前路由是否匹配
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let match = matchPath(url, route.path);
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if (match) {
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// 如果当前路由匹配，并且它有子路由，递归检查子路由
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if (route.routes) {
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// 递归调用匹配子路由
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const subMatch = matchSubRoutes(route.routes, url);
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if (subMatch) {
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_route = route;
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_match = subMatch;
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return true;
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}
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}
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// 如果没有子路由，或者子路由不匹配，但当前路由匹配，返回当前路由
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_route = route;
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_match = match;
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return true;
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}
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}
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// 如果没有找到匹配的路由，返回false
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return false;
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}
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matchSubRoutes(deepRoutes, req.url.split("?")[0])
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let context = {
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code: 200,
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};
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if (_route && _route.component && _route.component.preFetch) {
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// 设置服务端请求cookie
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let cookies = req.headers.cookie.split(';')
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for (let index = 0; index < cookies.length; index++) {
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const element = cookies[index];
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domObj.window.document.cookie = element
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}
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context = await _route.component.preFetch({
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store,
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match: _match,
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query: req.path,
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});
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}
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const content = renderToString((
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<Provider store={store}>
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<StaticRouter location={req.path} context={context}>
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<StyleContext.Provider value={{insertCss}}>
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{renderRoutes(Routes)}
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{/* <Route path='/:owner/:projectsId' exact component={App}></Route> */}
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</StyleContext.Provider>
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</StaticRouter>
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</Provider>
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))
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if (!content) {
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// 未匹配到详情页恢复默认header
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setDefaultMeta()
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} else {
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// 匹配到服务端渲染页面注入state
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let script = domObj.window.document.getElementById('initState')
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if (!script) {
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script = domObj.window.document.createElement('script')
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script.setAttribute('id', 'initState')
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}
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script.textContent = `window.__initState__ = ${ JSON.stringify(store.getState()) }`
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const styleNode = domObj.window.document.createElement('style')
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styleNode.type = 'text/css'
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styleNode.innerHTML = `${ [...css].join('') }`
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domObj.window.document.head.appendChild(script);
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domObj.window.document.head.appendChild(styleNode);
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}
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if (_route && !specialRoute.includes(_match.url && _match.url.replace('/', ''))) {
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Logger.info(`matchRoot: ${ _match.url }`)
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await changeHead(_route, _match.params)
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} else {
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return false
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}
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let html = domObj.serialize()
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const prepHTML=(data,rootString)=>{
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data=data.replace('<div id="root" class="page -layout-v -fit widthunit"></div>',`<div id="root" class="page -layout-v -fit widthunit">${rootString}</div>`);
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return data;
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}
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res.send(prepHTML(html, content))
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store = null
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}
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