feat: initial datalake and stats site (#28666)

packages/stats/server/src/shutdown.ts

@@ -0,0 +1,17 @@
+let shuttingDown = false
+let signalHandlersRegistered = false
+
+export function isShuttingDown() {
+  return shuttingDown
+}
+
+export function registerShutdownSignalHandlers() {
+  if (signalHandlersRegistered) return
+  signalHandlersRegistered = true
+  process.once("SIGTERM", markShuttingDown)
+  process.once("SIGINT", markShuttingDown)
+}
+
+function markShuttingDown() {
+  shuttingDown = true
+}