From 850f895480e8b910a04c37b130bee150ff1efe95 Mon Sep 17 00:00:00 2001
From: Richard Tibbles <richard@learningequality.org>
Date: Thu, 12 Oct 2023 12:40:37 -0700
Subject: [PATCH] Persist the mediaQueryList instance generated by
 window.matchMedia so that we do actually unbind our previously bound
 listeners.

---
 lib/useKResponsiveWindow/MediaQuery.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/useKResponsiveWindow/MediaQuery.js b/lib/useKResponsiveWindow/MediaQuery.js
index e919566a8..627bab61b 100644
--- a/lib/useKResponsiveWindow/MediaQuery.js
+++ b/lib/useKResponsiveWindow/MediaQuery.js
@@ -10,13 +10,17 @@ export default class MediaQuery {
   constructor(query, eventHandler) {
     this.query = query;
     this.eventHandler = eventHandler;
+    this._mediaQueryList = null;
   }
 
   /**
    * @returns {Object} Media query list
    */
   get mediaQueryList() {
-    return window.matchMedia(this.query);
+    if (!this._mediaQueryList) {
+      this._mediaQueryList = window.matchMedia(this.query);
+    }
+    return this._mediaQueryList;
   }
 
   /**