From 26ff00eb2c895af5fb15fc6b5bf2e72c25cb9c14 Mon Sep 17 00:00:00 2001
From: Hannah Purcell <hpurcell@mbta.com>
Date: Tue, 10 Dec 2024 19:10:08 -0500
Subject: [PATCH] tweak: move userUuid querySelector into utility

---
 assets/src/app.tsx          | 7 ++-----
 assets/src/util/userUuid.ts | 2 ++
 2 files changed, 4 insertions(+), 5 deletions(-)
 create mode 100644 assets/src/util/userUuid.ts

diff --git a/assets/src/app.tsx b/assets/src/app.tsx
index 62cd21653..a4cc4d515 100644
--- a/assets/src/app.tsx
+++ b/assets/src/app.tsx
@@ -20,6 +20,7 @@ import AppStateWrapper from "./components/appStateWrapper"
 import { tagManagerIdentify } from "./helpers/googleTagManager"
 import { fullStoryInit } from "./helpers/fullStory"
 import inTestGroup, { TestGroups } from "./userInTestGroup"
+import { userUuid } from "./util/userUuid"
 
 document.documentElement.dataset.demoMode = inTestGroup(
   TestGroups.DemoMode
@@ -37,11 +38,7 @@ sentryInit(
   window.sentryInitialization?.orgSlug
 )
 
-const userUuid = document
-  .querySelector("meta[name=user-uuid]")
-  ?.getAttribute("content")
-
-tagManagerIdentify(userUuid)
+tagManagerIdentify(userUuid())
 
 // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
 const root = createRoot(document.getElementById("app")!)
diff --git a/assets/src/util/userUuid.ts b/assets/src/util/userUuid.ts
new file mode 100644
index 000000000..fd14e07af
--- /dev/null
+++ b/assets/src/util/userUuid.ts
@@ -0,0 +1,2 @@
+export const userUuid = (): string | null | undefined =>
+  document.querySelector("meta[name=user-uuid]")?.getAttribute("content")