chore(*): fixing lint errors

Author: kdinev

projects/igniteui-angular/src/lib/calendar/calendar-base.ts

@@ -8,7 +8,7 @@ import { IgxCalendarView } from './month-picker-base';
 import { CurrentResourceStrings } from '../core/i18n/resources';
 import { ICalendarResourceStrings } from '../core/i18n/calendar-resources';
 import { DateTimeUtil } from '../date-common/util/date-time.util';
-import { getLocaleFirstDayOfWeek, getLocaleId } from "@angular/common";
+import { getLocaleFirstDayOfWeek } from "@angular/common";
 
 /**
  * Sets the selection type - single, multi or range.

projects/igniteui-angular/src/lib/core/utils.spec.ts

@@ -1,4 +1,4 @@
-import { cloneValue, mergeObjects, isObject, isDate } from './utils';
+import { cloneValue, isObject, isDate } from './utils';
 import { SampleTestData } from '../test-utils/sample-test-data.spec';
 
 describe('Utils', () => {

projects/igniteui-angular/src/lib/data-operations/data-util.ts

@@ -1,13 +1,10 @@
-import { IFilteringState } from './filtering-state.interface';
-
 import { IGroupByResult } from './grouping-result.interface';
 
 import { IPagingState, PagingError } from './paging-state.interface';
 
 import { IGroupByKey } from './groupby-expand-state.interface';
 import { IGroupByRecord } from './groupby-record.interface';
 import { IGroupingState } from './groupby-state.interface';
-import { FilteringStrategy } from './filtering-strategy';
 import { mergeObjects, mkenum } from '../core/utils';
 import { Transaction, TransactionType, HierarchicalTransaction } from '../services/transaction/transaction';
 import { getHierarchy, isHierarchyMatch } from './operations';

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

@@ -155,7 +155,7 @@ class CustomFilter extends IgxFilteringOperand {
         super();
         this.append({
             name: 'Custom',
-            logic: (value: any, searchVal: any, ignoreCase: boolean) => value === searchVal,
+            logic: (value: any, searchVal: any) => value === searchVal,
             isUnary: false,
             iconName: 'starts-with'
         });

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

@@ -1,6 +1,6 @@
 import { parseDate } from '../core/utils';
 import { PivotGridType } from '../grids/common/grid.interface';
-import { IPivotConfiguration, IPivotGridRecord } from '../grids/pivot-grid/pivot-grid.interface';
+import { IPivotGridRecord } from '../grids/pivot-grid/pivot-grid.interface';
 import { PivotUtil } from '../grids/pivot-grid/pivot-util';
 import { GridColumnDataType } from './data-util';
 import { DefaultSortingStrategy, SortingDirection } from './sorting-strategy';

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

@@ -35,8 +35,6 @@ export class PivotRowDimensionsStrategy implements IPivotDimensionStrategy {
         let hierarchies;
         let data: IPivotGridRecord[];
         const prevRowDims = [];
-        let prevDim;
-        let prevDimTopRecords = [];
         const currRows = cloneArray(rows, true);
         PivotUtil.assignLevels(currRows);
 
@@ -54,8 +52,6 @@ export class PivotRowDimensionsStrategy implements IPivotDimensionStrategy {
                 // generate flat data from the hierarchies
                 data = PivotUtil.processHierarchy(hierarchies, pivotKeys, 0, true);
                 prevRowDims.push(row);
-                prevDim = row;
-                prevDimTopRecords = data;
             } else {
                 PivotUtil.processGroups(data, row, pivotKeys);
             }
@@ -94,7 +90,7 @@ export class PivotColumnDimensionsStrategy implements IPivotDimensionStrategy {
     private groupColumns(rec: IPivotGridRecord, columns, values, pivotKeys) {
         const children = rec.children;
         if (children && children.size > 0) {
-            children.forEach((childRecs, key) => {
+            children.forEach((childRecs) => {
                 if (childRecs) {
                     childRecs.forEach(child => {
                         this.groupColumns(child, columns, values, pivotKeys);

projects/igniteui-angular/src/lib/date-picker/date-picker.component.ts

@@ -10,7 +10,7 @@ import {
 } from '@angular/forms';
 import {
     IgxCalendarComponent, IgxCalendarHeaderTemplateDirective, IgxCalendarSubheaderTemplateDirective,
-    WEEKDAYS, isDateInRanges, IFormattingViews, IFormattingOptions
+    isDateInRanges, IFormattingViews, IFormattingOptions
 } from '../calendar/public_api';
 import {
     IgxInputDirective, IgxInputGroupComponent,

projects/igniteui-angular/src/lib/date-range-picker/date-range-picker.component.ts

@@ -12,7 +12,7 @@ import {
 import { fromEvent, merge, MonoTypeOperatorFunction, noop, Subscription } from 'rxjs';
 import { filter, takeUntil } from 'rxjs/operators';
 import { fadeIn, fadeOut } from '../animations/fade';
-import { CalendarSelection, IgxCalendarComponent, WEEKDAYS } from '../calendar/public_api';
+import { CalendarSelection, IgxCalendarComponent } from '../calendar/public_api';
 import { DateRangeType } from '../core/dates';
 import { DisplayDensityToken, IDisplayDensityOptions } from '../core/density';
 import { CurrentResourceStrings } from '../core/i18n/resources';

projects/igniteui-angular/src/lib/directives/divider/divider.spec.ts

@@ -1,4 +1,4 @@
-import { Component, ViewChild } from '@angular/core';
+import { Component } from '@angular/core';
 import { TestBed, ComponentFixture, waitForAsync } from '@angular/core/testing';
 import { By } from '@angular/platform-browser';
 

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

@@ -86,7 +86,7 @@ export class IgxFilterDirective implements OnChanges {
 
     @Input('igxFilter') public filterOptions: IgxFilterOptions;
 
-    constructor(private element: ElementRef, renderer: Renderer2) {
+    constructor(private element: ElementRef) {
     }
 
     public ngOnChanges(changes: SimpleChanges) {
@@ -138,7 +138,7 @@ export class IgxFilterPipe implements PipeTransform {
             }
         }
 
-        return match;        
+        return match;
     }
 
     public transform(items: any[],
@@ -157,7 +157,7 @@ export class IgxFilterPipe implements PipeTransform {
 
         result = items.filter((item: any) => {
             if (!Array.isArray(options.key)) {
-                return this.findMatchByKey(item, options, options.key);            
+                return this.findMatchByKey(item, options, options.key);
             } else {
                 let isMatch = false;
                 options.key.forEach(key => {