chore(*): fix unused var errors

Author: kdinev

e2e/cypress/plugins/index.ts

@@ -1,3 +1,3 @@
 // Plugins enable you to tap into, modify, or extend the internal behavior of Cypress
 // For more info, visit https://on.cypress.io/plugins-api
-module.exports = (on, config) => {}
+module.exports = (_on, _config) => {}

projects/igniteui-angular/cypress/plugins/index.ts

@@ -1,3 +1,3 @@
 // Plugins enable you to tap into, modify, or extend the internal behavior of Cypress
 // For more info, visit https://on.cypress.io/plugins-api
-module.exports = (on, config) => {}
+module.exports = (_on, _config) => {}

projects/igniteui-angular/src/lib/core/selection.ts

@@ -177,7 +177,7 @@ export class IgxSelectionAPIService {
      * @param componentID ID of the component, which we add new items to.
      * @param itemIDs Array of IDs of the items to add to component selection.
      */
-    public deselect_items(componentID: string, itemID: any[], clearSelection?: boolean) {
+    public deselect_items(componentID: string, itemID: any[], _clearSelection?: boolean) {
         this.set(componentID, this.delete_items(componentID, itemID));
     }
 

projects/igniteui-angular/src/lib/core/touch.ts

@@ -127,7 +127,7 @@ export class HammerGesturesManager {
      * @param element The DOM element used to create the manager on.
      */
     public getManagerForElement(element: EventTarget): HammerManager {
-        const result =  this._hammerManagers.filter((value, index, array) => value.element === element);
+        const result =  this._hammerManagers.filter(value => value.element === element);
         return result.length ? result[0].manager : null;
     }
 

projects/igniteui-angular/src/lib/data-operations/filtering-condition.ts

@@ -77,7 +77,7 @@ export class IgxBooleanFilteringOperand extends IgxFilteringOperand {
             name: 'all',
             isUnary: true,
             iconName: 'select-all',
-            logic: (target: boolean) => true
+            logic: (_target: boolean) => true
         }, {
             name: 'true',
             isUnary: true,

projects/igniteui-angular/src/lib/data-operations/pivot-sort-strategy.ts

@@ -17,13 +17,13 @@ export class DefaultPivotGridRecordSortingStrategy extends DefaultSortingStrateg
         valueResolver: (obj: any, key: string, isDate?: boolean) => any,
         isDate?: boolean,
         isTime?: boolean,
-        grid?: PivotGridType) {
+        _grid?: PivotGridType) {
         const reverse = (dir === SortingDirection.Desc ? -1 : 1);
         const cmpFunc = (obj1, obj2) => this.compareObjects(obj1, obj2, fieldName, reverse, ignoreCase, this.getFieldValue, isDate, isTime);
         return this.arraySort(data, cmpFunc);
     }
 
-    protected getFieldValue(obj: IPivotGridRecord, key: string, isDate: boolean = false, isTime: boolean = false): any {
+    protected getFieldValue(obj: IPivotGridRecord, key: string, _isDate: boolean = false, _isTime: boolean = false): any {
         return obj.aggregationValues.get(key);
     }
 }
@@ -52,7 +52,7 @@ export class DefaultPivotSortingStrategy extends DefaultSortingStrategy {
         return this.arraySort(data, cmpFunc);
     }
 
-    protected getFieldValue(obj: any, key: string, isDate: boolean = false, isTime: boolean = false): any {
+    protected getFieldValue(obj: any, key: string, _isDate: boolean = false, isTime: boolean = false): any {
         let resolvedValue = PivotUtil.extractValueFromDimension(this.dimension, obj) || obj[0];
         const formatAsDate = this.dimension.dataType === GridColumnDataType.Date || this.dimension.dataType === GridColumnDataType.DateTime;
         if (formatAsDate) {

projects/igniteui-angular/src/lib/data-operations/pivot-strategy.ts

@@ -131,7 +131,7 @@ export class DimensionValuesFilteringStrategy extends FilteringStrategy {
         super();
     }
 
-    protected getFieldValue(rec: any, fieldName: string, isDate: boolean = false, isTime: boolean = false,
+    protected getFieldValue(rec: any, fieldName: string, _isDate: boolean = false, _isTime: boolean = false,
         grid?: PivotGridType): any {
         const allDimensions = grid.allDimensions;
         const enabledDimensions = allDimensions.filter(x => x && x.enabled);

projects/igniteui-angular/src/lib/directives/filter/filter.directive.ts

@@ -9,7 +9,6 @@ import {
     Output,
     Pipe,
     PipeTransform,
-    Renderer2,
     SimpleChanges
 } from '@angular/core';
 

projects/igniteui-angular/src/lib/grids/grid-base.directive.ts

@@ -7550,7 +7550,7 @@ export abstract class IgxGridBaseDirective extends DisplayDensityBase implements
         column.resetCaches();
     }
 
-    protected buildDataView(data: any[]) {
+    protected buildDataView(_data: any[]) {
         this._dataView = this.isRowPinningToTop ?
             [...this.pinnedDataView, ...this.unpinnedDataView] :
             [...this.unpinnedDataView, ...this.pinnedDataView];

projects/igniteui-angular/src/lib/grids/grid-navigation.service.ts

@@ -196,7 +196,7 @@ export class IgxGridNavigationService {
         return row.expression || row.detailsData ? false : !this.isColumnFullyVisible(visibleColIndex);
     }
 
-    public shouldPerformVerticalScroll(targetRowIndex: number, visibleColIndex: number): boolean {
+    public shouldPerformVerticalScroll(targetRowIndex: number, _visibleColIndex: number): boolean {
         if (this.grid.isRecordPinnedByViewIndex(targetRowIndex)) {
             return false;
         }