From cc5c988ce752ef8688dc8f416aebc5f6cee5b180 Mon Sep 17 00:00:00 2001
From: Derrick Hammer <derrick@derrickhammer.com>
Date: Thu, 18 Aug 2022 19:17:56 -0400
Subject: [PATCH] *Add safety check on timer

---
 src/rpcQuery.ts | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/rpcQuery.ts b/src/rpcQuery.ts
index af803b8..1cbce30 100644
--- a/src/rpcQuery.ts
+++ b/src/rpcQuery.ts
@@ -79,9 +79,11 @@ export default class RpcQuery {
       return;
     }
     return new Promise((resolve, reject) => {
-      let timer: NodeJS.Timeout;
+      let timer: any;
       socket.on("data", (res: Buffer) => {
-        clearTimeout(timer);
+        if (timer && timer.close) {
+          clearTimeout(timer as any);
+        }
         socket.end();
         const response = unpack(res as any) as RPCResponse;
         if (response && response.error) {