From 4b27b68ceb73077c2c97cc4401b26318e8e459d1 Mon Sep 17 00:00:00 2001
From: Grzegorz Godlewski <gg@gitgis.com>
Date: Sat, 3 Dec 2022 16:15:51 +0100
Subject: [PATCH] Prevent using telemetry if ZIPKIN_URL is not set

---
 src/telemetry.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/telemetry.ts b/src/telemetry.ts
index 085b8310..864e2ec1 100644
--- a/src/telemetry.ts
+++ b/src/telemetry.ts
@@ -19,6 +19,10 @@ let provider: NodeTracerProvider;
 
 export function TelemetryClass() {
   return function (classObj) {
+    if (!process.env.ZIPKIN_URL) {
+      return;
+    }
+
     const stackTrace = new Error().stack.split('\n');
     if (stackTrace.length < 3) {
       return;