| 5 | const isTest = process.env.VITEST |
| 6 | |
| 7 | export async function createServer( |
| 8 | root = process.cwd(), |
| 9 | isProd = process.env.NODE_ENV === 'production', |
| 10 | hmrPort, |
| 11 | ) { |
| 12 | const resolve = (p) => path.resolve(import.meta.dirname, p) |
| 13 | |
| 14 | const indexProd = isProd |
| 15 | ? fs.readFileSync(resolve('index.html'), 'utf-8') |
| 16 | : '' |
| 17 | |
| 18 | const app = express() |
| 19 | |
| 20 | /** |
| 21 | * @type {import('vite').ViteDevServer} |
| 22 | */ |
| 23 | let vite |
| 24 | if (!isProd) { |
| 25 | vite = await ( |
| 26 | await import('vite') |
| 27 | ).createServer({ |
| 28 | root, |
| 29 | logLevel: isTest ? 'error' : 'info', |
| 30 | server: { |
| 31 | middlewareMode: true, |
| 32 | watch: { |
| 33 | // During tests we edit the files too fast and sometimes chokidar |
| 34 | // misses change events, so enforce polling for consistency |
| 35 | usePolling: true, |
| 36 | interval: 100, |
| 37 | }, |
| 38 | hmr: { |
| 39 | port: hmrPort, |
| 40 | }, |
| 41 | }, |
| 42 | appType: 'custom', |
| 43 | }) |
| 44 | app.use(vite.middlewares) |
| 45 | } |
| 46 | |
| 47 | app.use('*all', async (req, res) => { |
| 48 | try { |
| 49 | const url = req.originalUrl |
| 50 | |
| 51 | let template, render |
| 52 | if (!isProd) { |
| 53 | // always read fresh template in dev |
| 54 | template = fs.readFileSync(resolve('index.html'), 'utf-8') |
| 55 | template = await vite.transformIndexHtml(url, template) |
| 56 | render = (await vite.ssrLoadModule('/src/entry-server.js')).render |
| 57 | } else { |
| 58 | template = indexProd |
| 59 | render = (await import('./dist/entry-server.js')).render |
| 60 | } |
| 61 | |
| 62 | const appHtml = await render(url) |
| 63 | |
| 64 | const html = template.replace(`<!--app-html-->`, appHtml) |