53 lines
1.6 KiB
Plaintext
53 lines
1.6 KiB
Plaintext
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
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// @ts-nocheck
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import { createApp } from "./main";
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import { renderToString } from "@vue/server-renderer";
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export async function render(url, manifest): Promise<string[]> {
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const { app, router } = createApp();
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// set the router to the desired URL before rendering
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router.push(url);
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await router.isReady();
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// passing SSR context object which will be available via useSSRContext()
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// @vitejs/plugin-vue injects code into a component's step() that registers
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// itself on ctx.modules. After the render, ctx.modules would contain all the
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// components that have been instantiated during this render call.
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const ctx = {};
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const html = await renderToString(app, ctx);
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// the SSR manifest generated by Vite contains module -> chunk/asset mapping
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// which we can then use to determine what files need to be preloaded for this
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// request.
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const preloadLinks = renderPreloadLinks(ctx.modules, manifest);
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return [html, preloadLinks];
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}
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function renderPreloadLinks(modules, manifest) {
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let links = "";
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const seen = new Set();
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modules.forEach((id) => {
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const files = manifest[id];
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if (files) {
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files.forEach((file) => {
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if (!seen.has(file)) {
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seen.add(file);
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links += renderPreloadLink(file);
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}
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});
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}
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});
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return links;
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}
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function renderPreloadLink(file) {
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if (file.endsWith(".js")) {
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return `<link rel="modulepreload" crossorigin href="${file}">`;
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} else if (file.endsWith(".css")) {
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return `<link rel="stylesheet" href="${file}">`;
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} else {
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return "";
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}
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}
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