diagnostics_channel: Avoid wrapping with no subscribers

nodejs · Nov 9, 2022 · fc22266 · fc22266
1 parent 4488782
commit fc22266
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/lib/diagnostics_channel.js b/lib/diagnostics_channel.js
@@ -178,6 +178,7 @@ class TracingChannel {
   }
 
   traceSync(fn, ctx = {}, thisArg, ...args) {
+    if (!this.hasSubscribers) return ReflectApply(fn, thisArg, args);
     const { start, end, error } = this.channels;
     start.publish(ctx);
     try {
@@ -194,6 +195,7 @@ class TracingChannel {
   }
 
   tracePromise(fn, ctx = {}, thisArg, ...args) {
+    if (!this.hasSubscribers) return ReflectApply(fn, thisArg, args);
     const { asyncEnd, start, end, error } = this.channels;
     start.publish(ctx);
 
@@ -223,6 +225,7 @@ class TracingChannel {
   }
 
   traceCallback(fn, position = 0, ctx = {}, thisArg, ...args) {
+    if (!this.hasSubscribers) return ReflectApply(fn, thisArg, args);
     const { start, end, asyncEnd, error } = this.channels;
     start.publish(ctx);