track follow/unfollow clicks

src/lib/analytics/types.ts

@@ -46,6 +46,8 @@ interface TrackPropertiesMap {
   'ProfileHeader:AddToListsButtonClicked': {}
   'ProfileHeader:BlockAccountButtonClicked': {}
   'ProfileHeader:UnblockAccountButtonClicked': {}
+  'ProfileHeader:FollowButtonClicked': {}
+  'ProfileHeader:UnfollowButtonClicked': {}
   'ViewHeader:MenuButtonClicked': {}
   // SETTINGS events
   'Settings:SwitchAccountButtonClicked': {}

src/view/com/profile/ProfileHeader.tsx

@@ -117,6 +117,11 @@ const ProfileHeaderLoaded = observer(
     }, [store, view])
 
     const onPressToggleFollow = React.useCallback(() => {
+      track(
+        view.viewer.following
+          ? 'ProfileHeader:FollowButtonClicked'
+          : 'ProfileHeader:UnfollowButtonClicked',
+      )
       view?.toggleFollowing().then(
         () => {
           Toast.show(
@@ -127,7 +132,7 @@ const ProfileHeaderLoaded = observer(
         },
         err => store.log.error('Failed to toggle follow', err),
       )
-    }, [view, store])
+    }, [track, view, store.log])
 
     const onPressEditProfile = React.useCallback(() => {
       track('ProfileHeader:EditProfileButtonClicked')