Search query back button (#1981)

* Always allow history to go back/forward when using browser history

* Add a back button which is visible when using the query parser

1 files changed, 2 insertions, 5 deletions

diff --git a/ext/js/display/display-history.js b/ext/js/display/display-history.js
index 449bec47..901a2d84 100644
--- a/ext/js/display/display-history.js
+++ b/ext/js/display/display-history.js
@@ -92,11 +92,6 @@ class DisplayHistory extends EventDispatcher {
     }
 
     _go(forward) {
-        const target = forward ? this._current.next : this._current.previous;
-        if (target === null) {
-            return false;
-        }
-
         if (this._useBrowserHistory) {
             if (forward) {
                 history.forward();
@@ -104,6 +99,8 @@ class DisplayHistory extends EventDispatcher {
                 history.back();
             }
         } else {
+            const target = forward ? this._current.next : this._current.previous;
+            if (target === null) { return false; }
             this._current = target;
             this._updateHistoryFromCurrent(true);
         }