2026-09-08 17:57:27 +02:00
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// Test server for e2e runs: static files from the repo root plus /ssr,
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// which server-renders the counter app and serves a hydration page — the
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// same app module the import map hands to the browser.
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import { createServer } from 'node:http'
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import { readFile } from 'node:fs/promises'
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import { join, normalize, extname, dirname } from 'node:path'
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import { fileURLToPath } from 'node:url'
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2026-09-08 18:44:52 +02:00
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import { Readable } from 'node:stream'
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2026-09-08 17:57:27 +02:00
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import createApp from '../../examples/counter/app.js'
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2026-09-08 18:44:52 +02:00
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import createStreamingApp from '../../examples/streaming/app.js'
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2026-09-08 17:57:27 +02:00
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const root = normalize(join(dirname(fileURLToPath(import.meta.url)), '..', '..'))
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const MIME = {
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'.html': 'text/html; charset=utf-8',
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'.js': 'text/javascript; charset=utf-8',
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'.mjs': 'text/javascript; charset=utf-8',
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'.css': 'text/css; charset=utf-8',
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'.json': 'application/json; charset=utf-8'
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}
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const IMPORT_MAP = JSON.stringify({
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imports: {
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2026-09-08 19:55:20 +02:00
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'@uhhm/buuh': '/packages/core/index.js',
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'@uhhm/buuh/timing': '/packages/core/lib/timing.js',
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'@uhhm/buuh-html': '/packages/html/browser.js',
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'@uhhm/buuh-html/raw': '/packages/html/raw.js',
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'@uhhm/buuh-html/morph': '/packages/html/morph.js',
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'@uhhm/buuh-html/hydrate': '/packages/html/hydrate.js'
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2026-09-08 17:57:27 +02:00
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}
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})
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function ssrPage () {
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const body = createApp().toString('/')
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// When a view owns <body>, scripts belong in <head>: type="module" is
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// deferred by definition, and body must contain only what the view
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// renders or hydration would (rightly) flag the extra nodes.
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return `<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>choo v8 ssr counter</title>
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<script type="importmap">${IMPORT_MAP}</script>
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<script type="module">
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import createApp from '/examples/counter/app.js'
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createApp().mount('body')
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</script>
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</head>
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${body}
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</html>`
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}
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export function startServer () {
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const server = createServer(async (req, res) => {
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const url = new URL(req.url, 'http://localhost')
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if (url.pathname === '/ssr') {
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res.writeHead(200, { 'content-type': 'text/html; charset=utf-8' })
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res.end(ssrPage())
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return
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}
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2026-09-08 18:44:52 +02:00
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if (url.pathname === '/stream') {
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const delay = Number(url.searchParams.get('delay')) || 500
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res.writeHead(200, { 'content-type': 'text/html; charset=utf-8' })
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// padding nudges browsers to start parsing before the stream closes
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res.write('<!doctype html>\n<html lang="en">\n<head><meta charset="utf-8"><title>choo streams</title></head>\n' + '<!-- ' + ' '.repeat(1024) + ' -->\n')
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const body = Readable.fromWeb(createStreamingApp({ delay }).toStream('/'))
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body.pipe(res, { end: false })
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body.on('end', () => res.end('\n</html>'))
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body.on('error', () => res.destroy())
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return
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}
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2026-09-08 17:57:27 +02:00
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let pathname = decodeURIComponent(url.pathname)
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if (pathname.endsWith('/')) pathname += 'index.html'
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const file = normalize(join(root, pathname))
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if (!file.startsWith(root)) {
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res.writeHead(403).end()
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return
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}
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try {
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const data = await readFile(file)
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res.writeHead(200, {
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'content-type': MIME[extname(file)] || 'application/octet-stream'
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})
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res.end(data)
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} catch (e) {
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res.writeHead(404).end('not found: ' + pathname)
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}
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})
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return new Promise((resolve) => {
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server.listen(0, '127.0.0.1', () => {
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resolve({
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server,
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origin: `http://127.0.0.1:${server.address().port}`,
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close: () => new Promise((r) => server.close(r))
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})
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})
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})
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}
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