From c99ef1f803d95973167eea8d3129dd6961d6e39b Mon Sep 17 00:00:00 2001
From: Guillaume Louis <guillaume.louis@uni.lu>
Date: Mon, 18 Sep 2023 13:02:49 +0200
Subject: [PATCH] issue primefaces#4071 fix

---
 components/lib/api/FilterService.js | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/components/lib/api/FilterService.js b/components/lib/api/FilterService.js
index 8185a41f43..ab02b67093 100644
--- a/components/lib/api/FilterService.js
+++ b/components/lib/api/FilterService.js
@@ -4,10 +4,19 @@ const FilterService = {
     filter(value, fields, filterValue, filterMatchMode, filterLocale) {
         let filteredItems = [];
 
-        if (value) {
-            for (let item of value) {
-                for (let field of fields) {
-                    let fieldValue = ObjectUtils.resolveFieldData(item, field);
+         if (!value) {
+            return filteredItems;
+        }
+
+        for (const item of value) {
+            if (typeof item === 'string') {
+                if (this.filters[filterMatchMode](item, filterValue, filterLocale)) {
+                    filteredItems.push(item);
+                    continue;
+                }
+            } else {
+                for (const field of fields) {
+                    const fieldValue = ObjectUtils.resolveFieldData(item, field);
 
                     if (this.filters[filterMatchMode](fieldValue, filterValue, filterLocale)) {
                         filteredItems.push(item);