fix: don't run browser metrics in worker

Minimal fix for getsentry#3934
gthb · Aug 31, 2021 · 71376fd · 71376fd
1 parent 949f1b6
commit 71376fd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/tracing/src/browser/metrics.ts b/packages/tracing/src/browser/metrics.ts
@@ -23,7 +23,7 @@ export class MetricsInstrumentation {
   private _clsEntry: LayoutShift | undefined;
 
   public constructor() {
-    if (!isNodeEnv() && global?.performance) {
+    if (!isNodeEnv() && global?.performance && typeof window !== 'undefined') {
       if (global.performance.mark) {
         global.performance.mark('sentry-tracing-init');
       }