feat(combo): remove dummy parameter from pipe; change object reference #7282

Author: PlamenaMiteva

projects/igniteui-angular/src/lib/combo/combo.component.html

@@ -51,7 +51,7 @@
         [style.maxHeight.px]="itemsMaxHeight" [igxDropDownItemNavigation]="dropdown" (focus)="dropdown.onFocus()"
         [tabindex]="dropdown.collapsed ? -1 : 0" role="listbox" [attr.id]="dropdown.id">
         <igx-combo-item role="option" [itemHeight]='itemHeight' *igxFor="let item of data
-            | comboFiltering:searchValue:displayKey:filterable:filteringOptions:filteringPipeTrigger
+            | comboFiltering:searchValue:displayKey:filterable:filteringOptions
             | comboGrouping:groupKey:valueKey;
             index as rowIndex; containerSize: itemsMaxHeight; scrollOrientation: 'vertical'; itemSize: itemHeight"
             [value]="item" [isHeader]="item.isHeader" [index]="rowIndex">

projects/igniteui-angular/src/lib/combo/combo.component.ts

@@ -165,10 +165,6 @@ export class IgxComboComponent extends DisplayDensityBase implements IgxComboBas
     public filteringOptions: IComboFilteringOptions = {
         caseSensitive: false
     };
-    /**
-     * @hidden @internal
-     */
-    public filteringPipeTrigger = 0;
     protected stringFilters = IgxStringFilteringOperand;
     protected booleanFilters = IgxBooleanFilteringOperand;
     protected _groupKey = '';
@@ -1587,8 +1583,7 @@ export class IgxComboComponent extends DisplayDensityBase implements IgxComboBas
      * @hidden @internal
      */
     public toggleCaseSensitive() {
-        this.filteringOptions.caseSensitive = !this.filteringOptions.caseSensitive;
-        this.filteringPipeTrigger++;
+        this.filteringOptions = { caseSensitive: !this.filteringOptions.caseSensitive };
     }
 }
 

projects/igniteui-angular/src/lib/combo/combo.pipes.ts

@@ -15,7 +15,7 @@ import { IComboFilteringOptions } from './combo.component';
 })
 export class IgxComboFilteringPipe implements PipeTransform {
     public transform(collection: any[], searchValue: any, displayKey: any,
-                    shouldFilter: boolean, filteringOptions: IComboFilteringOptions, _: any) {
+                    shouldFilter: boolean, filteringOptions: IComboFilteringOptions) {
         if (!collection) {
             return [];
         }