snapshot of https://github.com/TanStack/query.git (main, 2026-09-16; blobs > 131072B omitted)

examples/lit/pagination/scripts/dev.mjs

@@ -0,0 +1,80 @@
+import { spawn } from 'node:child_process'
+import { once } from 'node:events'
+import { API_PORT } from '../config/ports.js'
+
+const viteCommand = process.platform === 'win32' ? 'vite.cmd' : 'vite'
+const cwd = new URL('..', import.meta.url)
+
+function forwardOutput(prefix, stream, output) {
+  stream.on('data', (chunk) => {
+    output.write(`${prefix}${chunk}`)
+  })
+}
+
+function start(name, command, args, extraEnv = {}) {
+  const child = spawn(command, args, {
+    cwd,
+    stdio: ['ignore', 'pipe', 'pipe'],
+    env: {
+      ...process.env,
+      ...extraEnv,
+    },
+  })
+
+  forwardOutput(`[${name}] `, child.stdout, process.stdout)
+  forwardOutput(`[${name}] `, child.stderr, process.stderr)
+
+  return child
+}
+
+async function stop(child) {
+  if (!child || child.exitCode !== null) {
+    return
+  }
+
+  child.kill('SIGTERM')
+  await Promise.race([
+    once(child, 'exit'),
+    new Promise((resolve) => setTimeout(resolve, 2000)),
+  ])
+
+  if (child.exitCode === null) {
+    child.kill('SIGKILL')
+    await Promise.race([
+      once(child, 'exit'),
+      new Promise((resolve) => setTimeout(resolve, 2000)),
+    ])
+  }
+}
+
+async function run() {
+  const api = start('api', process.execPath, ['./server/index.mjs'])
+  const web = start('web', viteCommand, [], {
+    VITE_PAGINATION_API_PORT: String(API_PORT),
+  })
+
+  const shutdown = async () => {
+    await Promise.all([stop(web), stop(api)])
+  }
+
+  process.on('SIGINT', shutdown)
+  process.on('SIGTERM', shutdown)
+
+  const [winner] = await Promise.race([
+    once(api, 'exit').then(([code]) => ({ name: 'api', code })),
+    once(web, 'exit').then(([code]) => ({ name: 'web', code })),
+  ])
+
+  await shutdown()
+
+  if (winner.code !== 0 && winner.code !== null) {
+    process.exitCode = winner.code
+  } else {
+    process.exitCode = 1
+  }
+}
+
+run().catch((error) => {
+  console.error(error)
+  process.exitCode = 1
+})