From 947d210ab7faf2063656b4ce045af4b50f01ba41 Mon Sep 17 00:00:00 2001
From: Jackmin801 <ongjackm@gmail.com>
Date: Wed, 26 Oct 2022 16:13:33 +0800
Subject: [PATCH] docs: use url instead of session state in version selector

---
 docs/_templates/sidebar/brand.html | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/docs/_templates/sidebar/brand.html b/docs/_templates/sidebar/brand.html
index 48e37ed9643..4e9d09f841a 100644
--- a/docs/_templates/sidebar/brand.html
+++ b/docs/_templates/sidebar/brand.html
@@ -18,7 +18,6 @@
 </a>
 <script>
   function setPrefix(prefix){
-    window.sessionStorage.setItem("version-select-index", document.getElementsByClassName("version-select")[0].selectedIndex);
     window.location.href = prefix
   }
 </script>
@@ -26,16 +25,17 @@
   fetch(`https://${window.location.host}/_versions.json`)
   .then((resp) => resp.json())
   .then((data) => {
-    var versionSelector = document.getElementsByClassName("version-select")[0]
+    var versionSelector = document.getElementsByClassName("version-select")[0];
+    var currentPrefix = window.location.href.toString().split(window.location.host)[1].split('/')[1];
+
     for(var i = 0; i < data.length; i++){
       var option = document.createElement("option");
       option.innerHTML = data[i].version;
       option.value = "/" + data[i].version;
       versionSelector.appendChild(option);
-    }
-
-    if(window.sessionStorage.getItem('version-select-index')){
-      versionSelector.selectedIndex = window.sessionStorage.getItem('version-select-index');
+      if(currentPrefix === data[i].version){
+        versionSelector.selectedIndex = i + 1;
+      }
     }
   })
   .catch((err) => console.log(err));