fix: Clean up and add Neon DB

cloud/packages/core/src/utils/index.ts

@@ -1,5 +1,6 @@
-export * from "./id"
-export * from "./fn"
-export * from "./log"
-export * from "./invite"
-export * from "./helper"
+export * from "./id";
+export * from "./fn";
+export * from "./log";
+export * from "./invite";
+export * from "./helper";
+export * from "./memo";

cloud/packages/core/src/utils/memo.ts

@@ -0,0 +1,18 @@
+export function memo<T>(fn: () => T, cleanup?: (input: T) => Promise<void>) {
+  let value: T | undefined;
+  let loaded = false;
+
+  const result = (): T => {
+    if (loaded) return value as T;
+    loaded = true;
+    value = fn();
+    return value as T;
+  };
+  result.reset = async () => {
+    if (cleanup && value) await cleanup(value);
+    loaded = false;
+    value = undefined;
+  };
+
+  return result;
+}