Added missing metric from older analytics packaged (#1189)

Author: MichaelGHSeg

.changeset/spicy-baboons-care.md

@@ -0,0 +1,5 @@
+---
+'@segment/analytics-next': patch
+---
+
+Added missing telemetry metric.

packages/browser/src/browser/__tests__/integration.test.ts

@@ -650,6 +650,7 @@ describe('Dispatch', () => {
 
     expect(metrics.map((m) => m.metric)).toMatchInlineSnapshot(`
       [
+        "analytics_js.invoke",
         "message_dispatched",
         "plugin_time",
         "plugin_time",
@@ -694,7 +695,9 @@ describe('Dispatch', () => {
     })
 
     await sleep(10)
-    expect(fetchCalls[1].url).toBe('http://new.api.io/m')
+    expect(fetchCalls.some((call) => call.url === 'http://new.api.io/m')).toBe(
+      true
+    )
   })
 })
 

packages/browser/src/core/analytics/index.ts

@@ -516,6 +516,7 @@ export class Analytics
     callback?: Callback
   ): Promise<DispatchedEvent> {
     const ctx = new Context(event)
+    ctx.stats.increment('analytics_js.invoke', 1, [event.type])
     if (isOffline() && !this.options.retryQueue) {
       return ctx
     }