Improve update_query_string with enum action

core/static/core/js/script.js

@@ -69,20 +69,35 @@ function getCSRFToken() {
 
 const initialUrlParams = new URLSearchParams(window.location.search);
 
-function update_query_string(key, value, push = true) {
+/**
+ * @readonly
+ * @enum {number}
+ */
+const History = {
+    PUSH: 1,
+    REPLACE: 2,
+};
+
+/**
+ * @param {string} key
+ * @param {string | string[] | null} value
+ * @param {History} action
+ */
+function update_query_string(key, value, action = History.REPLACE) {
     const url = new URL(window.location.href);
     if (!value) {
         // If the value is null, undefined or empty => delete it
         url.searchParams.delete(key)
     } else if (Array.isArray(value)) {
-
         url.searchParams.delete(key)
         value.forEach((v) => url.searchParams.append(key, v))
     } else {
         url.searchParams.set(key, value);
     }
 
-    if (push){
+    if (action === History.PUSH) {
         history.pushState(null, document.title, url.toString());
+    } else if (action === History.REPLACE) {
+        history.replaceState(null, document.title, url.toString());
     }
 }

sas/templates/sas/album.jinja

@@ -129,7 +129,7 @@
       Alpine.data("pictures", () => ({
         pictures: {},
         page: parseInt(initialUrlParams.get("page")) || 1,
-        pushstate: true, /* Used to avoid pushing a state on a back action */
+        pushstate: History.PUSH, /* Used to avoid pushing a state on a back action */
         loading: false,
 
         async init() {
@@ -139,12 +139,12 @@
               this.page === 1 ? null : this.page,
               this.pushstate
             );
-            this.pushstate = true;
+            this.pushstate = History.PUSH;
             this.fetch_pictures();
           });
 
           window.addEventListener("popstate", () => {
-            this.pushstate = false;
+            this.pushstate = History.REPLACE;
             this.page = parseInt(
               new URLSearchParams(window.location.search).get("page")
             ) || 1;