initial

scripts/dev-all.mjs

@@ -0,0 +1,62 @@
+import { spawn } from 'node:child_process';
+
+function spawnNpmScript(scriptName) {
+  const npmExecPath = process.env.npm_execpath;
+  if (npmExecPath) {
+    return spawn(process.execPath, [npmExecPath, 'run', scriptName], {
+      stdio: 'inherit',
+      env: process.env,
+    });
+  }
+
+  const npmCommand = process.platform === 'win32' ? 'npm.cmd' : 'npm';
+  return spawn(npmCommand, ['run', scriptName], {
+    stdio: 'inherit',
+    env: process.env,
+    shell: process.platform === 'win32',
+  });
+}
+
+const backend = spawnNpmScript('dev:backend');
+const frontend = spawnNpmScript('dev:frontend');
+
+let shuttingDown = false;
+
+function shutdown(code = 0) {
+  if (shuttingDown) {
+    return;
+  }
+
+  shuttingDown = true;
+
+  if (backend && !backend.killed) {
+    backend.kill('SIGTERM');
+  }
+
+  if (frontend && !frontend.killed) {
+    frontend.kill('SIGTERM');
+  }
+
+  process.exit(code);
+}
+
+backend.on('exit', (code) => {
+  shutdown(code ?? 0);
+});
+
+frontend.on('exit', (code) => {
+  shutdown(code ?? 0);
+});
+
+backend.on('error', (error) => {
+  console.error('[dev:all] backend failed:', error);
+  shutdown(1);
+});
+
+frontend.on('error', (error) => {
+  console.error('[dev:all] frontend failed:', error);
+  shutdown(1);
+});
+
+process.on('SIGINT', () => shutdown(0));
+process.on('SIGTERM', () => shutdown(0));