fix(theme): guard nav-state.js against duplicate toggle listeners

2026-06-03 02:58:34 -04:00
parent 6aa2ee8095
commit 9e4dedc987
1 changed files with 4 additions and 0 deletions
@@ -1,10 +1,14 @@
 // ZB.MOM.WW.Theme nav-state.js — persists <details data-nav-key> open/closed
 // state in localStorage so NavRailSection expand state survives navigation and
 // reloads. Pure client-side; works with static Blazor SSR. Keyed per section.
+// localStorage keys are prefixed with "zbnav:" to avoid collisions.
 (function () {
    var PREFIX = "zbnav:";
+    var INIT_ATTR = "data-zbnav-initialized";
    function apply() {
        document.querySelectorAll("details.rail-section[data-nav-key]").forEach(function (el) {
+            if (el.hasAttribute(INIT_ATTR)) return; // already wired — avoid duplicate listeners
+            el.setAttribute(INIT_ATTR, "");
            var key = PREFIX + el.getAttribute("data-nav-key");
            var saved = null;
            try { saved = window.localStorage.getItem(key); } catch (e) { return; }