feat: add execGracefulShutdown method & Prettify<T> type

src/utils.ts

@@ -0,0 +1,18 @@
+import { cache } from "./config/cache.js";
+import type { ServerType } from "@hono/node-server";
+
+export type Prettify<T> = {
+    [K in keyof T]: T[K];
+} & {};
+
+export function execGracefulShutdown(server: ServerType) {
+    process.stdout.write("\naniwatch-api SHUTTING DOWN gracefully...\n");
+
+    cache.closeConnection();
+    server.close((err) => {
+        process.stdout.write("\naniwatch-api SHUTDOWN complete.\n");
+        err ? console.error(err) : null;
+        process.exit(err ? 1 : 0);
+    });
+    process.exit(0);
+}