freefire
c99238c1e7
- feedData.ts 聚合首页/板块/帖子详情数据，缺失内容 throw render(404) - Go 侧 spa_meta/seo 的 head 生成逻辑移植到 src/ssr/head.ts - _error 页复用站点壳渲染 404，+data 从 abortReason 恢复壳层数据 - linkedom 模拟服务端 DOM，DOMPurify 封装为 SSR 透传的 sanitizeHtml - 新增 /api/home-boot 聚合端点（handler/home_boot.go）供 SSR 冷启动灌缓存
78 lines
3.8 KiB
TypeScript
78 lines
3.8 KiB
TypeScript
import type { ComponentType, ReactElement } from 'react';
|
||
import { renderToReadableStream } from 'react-dom/server';
|
||
import { escapeInject, dangerouslySkipEscape } from 'vike/server';
|
||
import type { PageContextServer } from 'vike/types';
|
||
import { createHomeStore } from '../src/store/homeStore';
|
||
import { createRequestScope } from '../src/ssr/scopeTypes';
|
||
import { runWithScope } from '../src/ssr/scope';
|
||
import { seedFeedData, type FeedData } from '../src/ssr/feedData';
|
||
import { renderHeadTags } from '../src/ssr/head';
|
||
import { installServerDom } from '../src/ssr/serverDom';
|
||
|
||
// 服务端 DOM polyfill：内容处理依赖 DOMParser/document，须在渲染前安装
|
||
installServerDom();
|
||
|
||
export { onRenderHtml };
|
||
|
||
type PageComponent = ComponentType<{ url?: string }>;
|
||
|
||
/** 首帧主题脚本（localStorage j13-theme），与旧 index.html 保持一致 */
|
||
const THEME_INIT_SCRIPT
|
||
= "(function(){var t=localStorage.getItem('j13-theme')||'light';document.documentElement.classList.toggle('dark',t==='dark');document.documentElement.style.colorScheme=t;})();";
|
||
|
||
/** 锁死手机/平板双指与手势缩放；头像裁剪 / 图片灯箱放行 pinch */
|
||
const ZOOM_BLOCK_SCRIPT
|
||
= "(function(){function inZoomAllowArea(target){return !!(target&&target.closest&&target.closest('.avatar-crop-stage, .image-lightbox'));}function blockGesture(e){if(inZoomAllowArea(e.target))return;if(e.cancelable)e.preventDefault();}function blockMultiTouch(e){if(e.touches&&e.touches.length>1){if(inZoomAllowArea(e.target))return;if(e.cancelable)e.preventDefault();}}document.addEventListener('gesturestart',blockGesture,{passive:false});document.addEventListener('gesturechange',blockGesture,{passive:false});document.addEventListener('gestureend',blockGesture,{passive:false});document.addEventListener('touchstart',blockMultiTouch,{passive:false});document.addEventListener('touchmove',blockMultiTouch,{passive:false});})();";
|
||
|
||
/** 等 lazy 页面全部渲染完成（allReady）后缓冲为完整 HTML，首字节语义与旧 Go 文档级 SSR 一致 */
|
||
async function renderPageToString(element: ReactElement): Promise<string> {
|
||
const stream = await renderToReadableStream(element, {
|
||
onError(err) {
|
||
console.error('[j13] SSR 渲染错误:', err);
|
||
},
|
||
});
|
||
await stream.allReady;
|
||
return new Response(stream).text();
|
||
}
|
||
|
||
async function onRenderHtml(pageContext: PageContextServer) {
|
||
const Page = pageContext.Page as PageComponent | undefined;
|
||
const data = (pageContext as { data?: FeedData }).data;
|
||
|
||
let pageHtml = '';
|
||
if (Page) {
|
||
// SSR feed 页：per-request 作用域 + hydrate 同构变体；渲染失败降级空壳（客户端自行接管），不 500
|
||
const scope = createRequestScope(createHomeStore());
|
||
scope.hydrating = true;
|
||
const { pathname, searchOriginal } = pageContext.urlParsed;
|
||
const url = pathname + (searchOriginal ?? '');
|
||
try {
|
||
pageHtml = await runWithScope(scope, () => {
|
||
// 渲染前把 +data 取回的数据 seed 进请求作用域（缓存层按 scope 隔离）
|
||
seedFeedData(data);
|
||
return renderPageToString(<Page url={url} />);
|
||
});
|
||
} catch (err) {
|
||
console.error('[j13] SSR 渲染失败，降级 SPA 壳:', err);
|
||
pageHtml = '';
|
||
}
|
||
}
|
||
|
||
const headTags = renderHeadTags(data?.head);
|
||
|
||
// 404/301 等状态码由 Vike abort 机制（throw render/redirect）原生处理
|
||
return escapeInject`<!DOCTYPE html>
|
||
<html lang="zh-CN">
|
||
<head>
|
||
<meta charset="UTF-8" />
|
||
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
|
||
${dangerouslySkipEscape(headTags)}
|
||
<script>${dangerouslySkipEscape(THEME_INIT_SCRIPT)}</script>
|
||
<script>${dangerouslySkipEscape(ZOOM_BLOCK_SCRIPT)}</script>
|
||
</head>
|
||
<body>
|
||
<div id="root">${dangerouslySkipEscape(pageHtml)}</div>
|
||
</body>
|
||
</html>`;
|
||
}
|