add build tests

__tests__/e2e/vitestGlobalSetup.ts

@@ -1,10 +1,13 @@
 import getPort from 'get-port'
+import { Server } from 'net'
 import { chromium, type BrowserServer } from 'playwright-chromium'
 import { type ViteDevServer } from 'vite'
-import { createServer } from 'vitepress'
+import { build, createServer, serve } from 'vitepress'
 
 let browserServer: BrowserServer
-let devServer: ViteDevServer
+let server: ViteDevServer | Server
+
+const root = '__tests__/e2e'
 
 export async function setup() {
   browserServer = await chromium.launchServer({
@@ -16,11 +19,23 @@ export async function setup() {
   process.env['WS_ENDPOINT'] = browserServer.wsEndpoint()
   const port = await getPort()
   process.env['PORT'] = port.toString()
-  devServer = await createServer('__tests__/e2e', { port })
-  await devServer.listen()
+
+  if (process.env['VITE_TEST_BUILD']) {
+    await build(root)
+    server = (await serve({ root, port })).server
+  } else {
+    server = await createServer(root, { port })
+    await server!.listen()
+  }
 }
 
 export async function teardown() {
   await browserServer.close()
-  await devServer.close()
+  if ('ws' in server) {
+    await server.close()
+  } else {
+    await new Promise<void>((resolve, reject) => {
+      server.close((error) => (error ? reject(error) : resolve()))
+    })
+  }
 }

package.json

@@ -62,9 +62,10 @@
     "format": "prettier --check --write .",
     "format-fail": "prettier --check .",
     "check": "run-s format-fail docs-build test",
-    "test": "pnpm test-unit && pnpm test-serve",
+    "test": "run-p test-unit test-serve test-build",
     "test-unit": "vitest run -r __tests__/unit",
     "test-serve": "vitest run -r __tests__/e2e",
+    "test-build": "VITE_TEST_BUILD=1 vitest run -r __tests__/e2e",
     "changelog": "conventional-changelog -p angular -i CHANGELOG.md -s",
     "release": "node scripts/release.js",
     "docs": "run-p dev docs-dev",

src/node/serve/serve.ts

@@ -51,13 +51,13 @@ export async function serve(options: ServeOptions = {}) {
   })
 
   if (base) {
-    polka({ onNoMatch })
+    return polka({ onNoMatch })
       .use(base, compress, serve)
       .listen(port, () => {
         console.log(`Built site served at http://localhost:${port}/${base}/\n`)
       })
   } else {
-    polka({ onNoMatch })
+    return polka({ onNoMatch })
       .use(compress, serve)
       .listen(port, () => {
         console.log(`Built site served at http://localhost:${port}/\n`)