From 10e005c0e92a4d24fbf1b8f64c4da15bcb93d7cc Mon Sep 17 00:00:00 2001
From: Ben Wilson <ben@registrationmax.com>
Date: Sat, 5 Aug 2023 10:54:37 -0400
Subject: [PATCH] bug

---
 src/models/StratumV1Client.ts | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/models/StratumV1Client.ts b/src/models/StratumV1Client.ts
index ec16daa..37eb990 100644
--- a/src/models/StratumV1Client.ts
+++ b/src/models/StratumV1Client.ts
@@ -82,8 +82,12 @@ export class StratumV1Client {
     }
 
     public destroy() {
-        this.stratumSubscription.unsubscribe();
-        clearInterval(this.backgroundWork);
+        if (this.stratumSubscription != null) {
+            this.stratumSubscription.unsubscribe();
+        }
+        if (this.backgroundWork != null) {
+            clearInterval(this.backgroundWork);
+        }
     }
 
     private getRandomHexString() {