feat: add createDeferrablePromise utility function

src/utils/utils.ts

@@ -81,4 +81,20 @@ export function markAsPublicMethod<T extends Function | Record<any, unknown> | u
 
     markAs(obj);
     return obj;
+}
+
+export function createDeferrablePromise<T = unknown>() {
+    let resolve!: (value: T | PromiseLike<T>) => void;
+    let reject!: (reason?: unknown) => void;
+
+    const promise = new Promise<T>((res, rej) => {
+        resolve = res;
+        reject = rej;
+    });
+
+    return {
+        promise,
+        resolve,
+        reject
+    };
 }