Release 2.21.6: prevent duplicate list searches

src/web/public/js/table/table-search.js

@@ -191,6 +191,7 @@
       var container = input.closest('[data-table-search-container]') || input.closest('.card') || null;
 
       input.value = String(currentUrl.searchParams.get(searchParam) || '').trim();
+      var lastSearchValue = input.value;
       if (container) {
         container._cancelTableSearch = function () {
           window.clearTimeout(pendingSearchTimer);
@@ -220,6 +221,11 @@
 
       function updateSearch() {
         var query = String(input.value || '').trim();
+        lastSearchValue = query;
+        if (pendingSearchTimer) {
+          window.clearTimeout(pendingSearchTimer);
+          pendingSearchTimer = null;
+        }
         var nextUrl = new URL(window.location.href);
 
         if (query) {
@@ -233,6 +239,7 @@
       }
 
       function scheduleSearchUpdate() {
+        lastSearchValue = String(input.value || '').trim();
         if (container) {
           container._tableRequestSequence = (container._tableRequestSequence || 0) + 1;
         }
@@ -247,7 +254,18 @@
 
       input.addEventListener('input', scheduleSearchUpdate);
       input.addEventListener('search', scheduleSearchUpdate);
-      input.addEventListener('change', updateSearch);
+      input.addEventListener('change', function () {
+        var query = String(input.value || '').trim();
+        if (query === lastSearchValue) {
+          if (pendingSearchTimer) {
+            window.clearTimeout(pendingSearchTimer);
+            pendingSearchTimer = null;
+            updateSearch();
+          }
+          return;
+        }
+        updateSearch();
+      });
       input.addEventListener('keydown', function (event) {
         if (event.key === 'Enter') {
           event.preventDefault();