create-vanjs/template-node-ssr/src/entry-server.js

🍦 Quick tool for scaffolding your first VanJS project

// entry-server.js
import {
  getDataPreload,
  renderPreloadLinks,
  renderToString,
} from "@vanjs/server";
import { setRouterState } from "@vanjs/router";
import { Head } from "@vanjs/meta";
import { App } from "./App";
import { Header } from "./components/Header";
import { Footer } from "./components/Footer";

export async function render(url, manifest) {
  setRouterState(url);

  const main = await renderToString(App());
  const head = await renderToString(Head());
  const header = await renderToString(Header());
  const footer = await renderToString(Footer());

  // allow code splitting for multiple pages
  // by disabling the preloading of page components
  const manifestFiles = Object.keys(manifest).filter((file) =>
    file !== undefined
  );
  const preloadLinks = renderPreloadLinks(manifestFiles, manifest);
  const preload = getDataPreload();

  return { head, main, header, footer, preload, preloadLinks };
}