From 6e1cfba3b2ec566016ce06fc408d69839cfef004 Mon Sep 17 00:00:00 2001
From: Zane Helton <zane99@me.com>
Date: Mon, 20 Jan 2025 13:46:11 -0500
Subject: [PATCH] fix: add initial values to useRefs

---
 src/components/Keyboard/Keyboard.tsx | 2 +-
 src/components/Quiz/Quiz.tsx         | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/components/Keyboard/Keyboard.tsx b/src/components/Keyboard/Keyboard.tsx
index 191bd50..6fb25dc 100644
--- a/src/components/Keyboard/Keyboard.tsx
+++ b/src/components/Keyboard/Keyboard.tsx
@@ -38,7 +38,7 @@ const Keyboard = () => {
 
   const { muteSound, showKeyboard, midiDevice, setMidiDevice, pianoSound } =
     useContext(KVContext)
-  const unlistenRef = useRef<UnlistenFn>()
+  const unlistenRef = useRef<UnlistenFn>(null)
   const [activeNotes, setActiveNotes] = useState<{ [note: string]: boolean }>(
     {}
   )
diff --git a/src/components/Quiz/Quiz.tsx b/src/components/Quiz/Quiz.tsx
index a1f1e9f..6487e1f 100644
--- a/src/components/Quiz/Quiz.tsx
+++ b/src/components/Quiz/Quiz.tsx
@@ -62,7 +62,7 @@ const KeyboardContainer = styled.div`
 const Quiz = () => {
   const { showKeyboard, midiDevice, setMidiDevice } = useContext(KVContext)
   const { chordStack, setChordStack } = useContext(TrainerContext)
-  const unlistenRef = useRef<UnlistenFn>()
+  const unlistenRef = useRef<UnlistenFn>(null)
   const [activeNotes, setActiveNotes] = useState<{ [note: string]: boolean }>(
     {}
   )