Merge pull request #14220 from vinnyab28/14194-pmultiselect-filter-wi…

…th-default-label

14194: Fixed filter with default 'label' field

src/app/components/multiselect/multiselect.ts

@@ -1285,7 +1285,7 @@ export class MultiSelect implements OnInit, AfterViewInit, AfterContentInit, Aft
     }
 
     searchFields() {
-        return this.filterFields || [this.optionLabel];
+        return (this.filterBy || this.optionLabel || 'label').split(',');
     }
 
     findNearestSelectedOptionIndex(index, firstCheckUp = false) {
@@ -2056,20 +2056,18 @@ export class MultiSelect implements OnInit, AfterViewInit, AfterContentInit, Aft
 
     activateFilter() {
         if (this.hasFilter() && this._options) {
-            let searchFields: string[] = (this.filterBy || this.optionLabel || 'label').split(',');
-
             if (this.group) {
                 let filteredGroups = [];
                 for (let optgroup of this.options as any[]) {
-                    let filteredSubOptions = this.filterService.filter(this.getOptionGroupChildren(optgroup), searchFields, this.filterValue, this.filterMatchMode, this.filterLocale);
+                    let filteredSubOptions = this.filterService.filter(this.getOptionGroupChildren(optgroup), this.searchFields(), this.filterValue, this.filterMatchMode, this.filterLocale);
                     if (filteredSubOptions && filteredSubOptions.length) {
                         filteredGroups.push({ ...optgroup, ...{ [this.optionGroupChildren]: filteredSubOptions } });
                     }
                 }
 
                 this._filteredOptions = filteredGroups;
             } else {
-                this._filteredOptions = this.filterService.filter(this.options as any[], searchFields, this._filterValue, this.filterMatchMode, this.filterLocale);
+                this._filteredOptions = this.filterService.filter(this.options as any[], this.searchFields(), this.filterValue, this.filterMatchMode, this.filterLocale);
             }
         } else {
             this._filteredOptions = null;