chore(*): upgrade deps and fix lint errors

demo/bootstrap.ts

@@ -1,8 +1,8 @@
 import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
 import { AppModule } from './app.module';
 
- document.addEventListener('DOMContentLoaded', () => {
-   platformBrowserDynamic()
+document.addEventListener('DOMContentLoaded', () => {
+  platformBrowserDynamic()
     .bootstrapModule(AppModule)
     .catch(err => console.error(err));
- });
+});

demo/combo-chart/combo-chart.component.ts

@@ -21,10 +21,12 @@ import {
   transition
 } from '@angular/animations';
 
-import { NgxChartsModule, BaseChartComponent, LineComponent, LineSeriesComponent } from '../../src';
+import { 
+  NgxChartsModule, BaseChartComponent, LineComponent, LineSeriesComponent,
+  calculateViewDimensions, ViewDimensions, ColorHelper
+ } from '../../src';
 import { area, line, curveLinear } from 'd3-shape';
 import { scaleBand, scaleLinear, scalePoint, scaleTime } from 'd3-scale';
-import { calculateViewDimensions, ViewDimensions, ColorHelper } from '../../src';
 
 @Component({
   selector: 'combo-chart-component',
@@ -249,9 +251,7 @@ export class ComboChartComponent extends BaseChartComponent  {
     this.transform = `translate(${ this.dims.xOffset } , ${ this.margin[0] })`;
   }
 
-  // line scale
-
-    deactivateAll() {
+  deactivateAll() {
     this.activeEntries = [...this.activeEntries];
     for (const entry of this.activeEntries) {
       this.deactivate.emit({ value: entry, entries: [] });
@@ -265,7 +265,7 @@ export class ComboChartComponent extends BaseChartComponent  {
     this.deactivateAll();
   }
 
-    updateHoveredVertical(item): void {
+  updateHoveredVertical(item): void {
     this.hoveredVertical = item.value;
     this.deactivateAll();
   }
@@ -278,22 +278,22 @@ export class ComboChartComponent extends BaseChartComponent  {
 
   getSeriesDomain(): any[] {
     this.combinedSeries = this.lineChart.slice(0);
-    this.combinedSeries.push(
-      {name: this.yAxisLabel,
+    this.combinedSeries.push({
+      name: this.yAxisLabel,
       series: this.results
     });
     return this.combinedSeries.map(d => d.name);
   }
 
-    isDate(value): boolean {
+  isDate(value): boolean {
     if (value instanceof Date) {
       return true;
     }
 
     return false;
   }
 
-    getScaleType(values): string {
+  getScaleType(values): string {
     let date = true;
     let num = true;
 
@@ -400,18 +400,16 @@ export class ComboChartComponent extends BaseChartComponent  {
     }
 
     return scale;
-}
+  }
 
-    getYScaleLine(domain, height): any {
+  getYScaleLine(domain, height): any {
     const scale = scaleLinear()
       .range([height, 0])
       .domain(domain);
 
     return this.roundDomains ? scale.nice() : scale;
   }
 
-  // bar scales
-
   getXScale(): any {
     this.xDomain = this.getXDomain();
     const spacing = this.xDomain.length / (this.dims.width / this.barPadding + 1);

demo/combo-chart/combo-series-vertical.component.ts

@@ -6,13 +6,13 @@ import {
   OnChanges,
   ChangeDetectionStrategy
  } from '@angular/core';
- import {
-   trigger,
-   state,
-   style,
-   animate,
-   transition
- } from '@angular/animations';
+import {
+  trigger,
+  state,
+  style,
+  animate,
+  transition
+} from '@angular/animations';
 import { formatLabel } from '../../src/common/label.helper';
 
 @Component({