From b0d5956f5a0ed894984d6b1754efeba04d8bc966 Mon Sep 17 00:00:00 2001
From: Cotes Chung <11371340+cotes2020@users.noreply.github.com>
Date: Tue, 22 Nov 2022 18:33:04 +0800
Subject: [PATCH] fix(comment): disqus doesn't follow theme mode switching

---
 _includes/comments/disqus.html | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/_includes/comments/disqus.html b/_includes/comments/disqus.html
index 8b4e633..6174d31 100644
--- a/_includes/comments/disqus.html
+++ b/_includes/comments/disqus.html
@@ -15,7 +15,6 @@
   };
 
   /* Lazy loading */
-
   var disqus_observer = new IntersectionObserver(function (entries) {
     if(entries[0].isIntersecting) {
         (function () {
@@ -32,23 +31,24 @@
   disqus_observer.observe(document.querySelector('#disqus_thread'));
 
   /* Auto switch theme */
-
   function reloadDisqus() {
-    /* Disqus hasn't been loaded */
-    if (typeof DISQUS === "undefined") {
-      return;
-    }
+    if (event.source === window && event.data &&
+      event.data.direction === ModeToggle.ID) {
+      /* Disqus hasn't been loaded */
+      if (typeof DISQUS === "undefined") {
+        return;
+      }
 
-    if (document.readyState == 'complete') {
-      DISQUS.reset({ reload: true, config: disqus_config });
+      if (document.readyState == 'complete') {
+        DISQUS.reset({ reload: true, config: disqus_config });
+      }
     }
   }
 
   const modeToggle = document.querySelector(".mode-toggle");
 
   if (typeof modeToggle !== "undefined") {
-    /*  modeToggle.addEventListener('click', reloadDisqus); // not pretty for 'color-scheme'  */
-    window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', reloadDisqus);
+    window.addEventListener("message", reloadDisqus);
   }
 
 </script>