From 3bc885cb5303f3397fc462437dce307a2f8d1800 Mon Sep 17 00:00:00 2001
From: Marshall Polaris <marshall@pol.rs>
Date: Wed, 4 May 2022 14:13:51 -0700
Subject: [PATCH] Only warm up create user function once

---
 web/lib/firebase/users.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/web/lib/firebase/users.ts b/web/lib/firebase/users.ts
index e07d138c..8b8523c6 100644
--- a/web/lib/firebase/users.ts
+++ b/web/lib/firebase/users.ts
@@ -77,11 +77,13 @@ const CACHED_USER_KEY = 'CACHED_USER_KEY'
 // used to avoid weird race condition
 let createUserPromise: Promise<User | null> | undefined = undefined
 
+const warmUpCreateUser = _.throttle(createUser, 5000 /* ms */)
+
 export function listenForLogin(onUser: (user: User | null) => void) {
   const cachedUser = localStorage.getItem(CACHED_USER_KEY)
   onUser(cachedUser ? JSON.parse(cachedUser) : null)
 
-  if (!cachedUser) createUser() // warm up cloud function
+  if (!cachedUser) warmUpCreateUser()
 
   return onAuthStateChanged(auth, async (fbUser) => {
     if (fbUser) {