wrap unsubscribe in check for subscribers

tlhunter · tlhunter · commit b0cc43cfa88a · 2023-03-31T11:08:10.000-07:00
diff --git a/packages/dd-trace/src/dcitm.js b/packages/dd-trace/src/dcitm.js
@@ -11,7 +11,9 @@ if (!dc.subscribe) {
 }
 if (!dc.unsubscribe) {
   dc.unsubscribe = (channel, cb) => {
-    dc.channel(channel).unsubscribe(cb)
+    if (dc.channel(channel).hasSubscribers) {
+      dc.channel(channel).unsubscribe(cb)
+    }
   }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -11,7 +11,9 @@ if (!dc.subscribe) {`
`11`	`11`	`}`
`12`	`12`	`if (!dc.unsubscribe) {`
`13`	`13`	`dc.unsubscribe = (channel, cb) => {`
`14`		`- dc.channel(channel).unsubscribe(cb)`
	`14`	`+ if (dc.channel(channel).hasSubscribers) {`
	`15`	`+ dc.channel(channel).unsubscribe(cb)`
	`16`	`+ }`
`15`	`17`	`}`
`16`	`18`	`}`
`17`	`19`