From e4f0e80dfb3440a9a784ecd43b7fd2d09a42273d Mon Sep 17 00:00:00 2001
From: momchil-anachkov <momchil.anachkov@gmail.com>
Date: Mon, 1 Jul 2019 13:27:05 +0300
Subject: [PATCH] fix: browser back button after searching does not behave
 properly

Switch URL updating strategy from pushState to replaceState in order to avoid pushing all search queries to the browser history

Fix #1166
---
 assets/js/academic-search.js | 4 ++--
 assets/js/academic.js        | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/assets/js/academic-search.js b/assets/js/academic-search.js
index d4a84ae1..4b262c3e 100644
--- a/assets/js/academic-search.js
+++ b/assets/js/academic-search.js
@@ -43,8 +43,8 @@ function getSearchQuery(name) {
 
 // Set query in URI without reloading the page.
 function updateURL(url) {
-  if (history.pushState) {
-    window.history.pushState({path:url}, '', url);
+  if (history.replaceState) {
+    window.history.replaceState({path:url}, '', url);
   }
 }
 
diff --git a/assets/js/academic.js b/assets/js/academic.js
index 992adc6a..f144a830 100644
--- a/assets/js/academic.js
+++ b/assets/js/academic.js
@@ -50,9 +50,9 @@
   }
 
   function removeQueryParamsFromUrl() {
-    if (window.history.pushState) {
+    if (window.history.replaceState) {
       let urlWithoutSearchParams = window.location.protocol + "//" + window.location.host + window.location.pathname + window.location.hash;
-      window.history.pushState({path:urlWithoutSearchParams}, '', urlWithoutSearchParams);
+      window.history.replaceState({path:urlWithoutSearchParams}, '', urlWithoutSearchParams);
     }
   }