From 171791d4919d13624ef41941889cf2c9f482b245 Mon Sep 17 00:00:00 2001
From: Derrick Hammer <derrick@derrickhammer.com>
Date: Thu, 18 Aug 2022 20:10:00 -0400
Subject: [PATCH] *Add isPromise to util

---
 src/util.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/util.ts b/src/util.ts
index 829ace4..dfc09a2 100644
--- a/src/util.ts
+++ b/src/util.ts
@@ -54,3 +54,10 @@ export function resolveSuccess(records: DNSRecord[]): DNSResult {
 export function normalizeDomain(domain: string): string {
   return domain.replace(/^\.+|\.+$/g, "").replace(/^\/+|\/+$/g, "");
 }
+export function isPromise(obj: Promise<any>) {
+  return (
+    !!obj &&
+    (typeof obj === "object" || typeof obj === "function") &&
+    typeof obj.then === "function"
+  );
+}