From afcf28648e3e0240ad6da5f8aea23dc864bbad3b Mon Sep 17 00:00:00 2001
From: Mike Goodfellow <mdgoodfellow@gmail.com>
Date: Tue, 12 Dec 2023 10:20:41 +0000
Subject: [PATCH] Initialise nextFocusRevalidatedAt on mount

---
 core/src/use-swr.ts | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/core/src/use-swr.ts b/core/src/use-swr.ts
index 8480ea805..f783d54cd 100644
--- a/core/src/use-swr.ts
+++ b/core/src/use-swr.ts
@@ -574,9 +574,15 @@ export const useSWRHandler = <Data = any, Error = any>(
 
     const softRevalidate = revalidate.bind(UNDEFINED, WITH_DEDUPE)
 
+    let nextFocusRevalidatedAt = 0
+
+    if (getConfig().revalidateOnFocus) {
+      const initNow = Date.now()
+      nextFocusRevalidatedAt = initNow + getConfig().focusThrottleInterval
+    }
+
     // Expose revalidators to global event listeners. So we can trigger
     // revalidation from the outside.
-    let nextFocusRevalidatedAt = 0
     const onRevalidate = (
       type: RevalidateEvent,
       opts: {