fixed error message

defenseunicorns · Oct 29, 2024 · 253dce5 · 253dce5
1 parent 224bdd8
commit 253dce5
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/lib/metrics.ts b/src/lib/metrics.ts
@@ -173,7 +173,9 @@ export class MetricsCollector {
 
     if (maxCacheMissWindows !== undefined && this.#cacheMissWindows.size >= maxCacheMissWindows) {
       const firstKey = this.#cacheMissWindows.keys().next().value;
-      this.#cacheMissWindows.delete(firstKey);
+      if (firstKey !== undefined) {
+        this.#cacheMissWindows.delete(firstKey);
+      }
       this.#gauges.get(this.#getMetricName(this.#metricNames.cacheMiss))?.remove({ window: firstKey });
     }
   };