diff --git a/src/app/pages/dashboard/contacts/contacts.component.ts b/src/app/pages/dashboard/contacts/contacts.component.ts
index c8a523d6..4f93f50f 100644
--- a/src/app/pages/dashboard/contacts/contacts.component.ts
+++ b/src/app/pages/dashboard/contacts/contacts.component.ts
@@ -17,10 +17,10 @@ export class ContactsComponent implements OnDestroy {
   recent: any[];
 
   constructor(private userService: UserData) {
-    forkJoin(
+    forkJoin([
       this.userService.getContacts(),
       this.userService.getRecentUsers(),
-    )
+    ])
       .pipe(takeWhile(() => this.alive))
       .subscribe(([contacts, recent]: [Contacts[], RecentUsers[]]) => {
         this.contacts = contacts;
diff --git a/src/app/pages/dashboard/electricity/electricity.component.ts b/src/app/pages/dashboard/electricity/electricity.component.ts
index bf16e494..7a1c34b5 100644
--- a/src/app/pages/dashboard/electricity/electricity.component.ts
+++ b/src/app/pages/dashboard/electricity/electricity.component.ts
@@ -1,6 +1,5 @@
 import { Component, OnDestroy } from '@angular/core';
 import { NbThemeService } from '@nebular/theme';
-
 import { Electricity, ElectricityChart, ElectricityData } from '../../../@core/data/electricity';
 import { takeWhile } from 'rxjs/operators';
 import { forkJoin } from 'rxjs';
@@ -24,19 +23,19 @@ export class ElectricityComponent implements OnDestroy {
   themeSubscription: any;
 
   constructor(private electricityService: ElectricityData,
-              private themeService: NbThemeService) {
+    private themeService: NbThemeService) {
     this.themeService.getJsTheme()
       .pipe(takeWhile(() => this.alive))
       .subscribe(theme => {
         this.currentTheme = theme.name;
-    });
+      });
 
-    forkJoin(
+    forkJoin([
       this.electricityService.getListData(),
-      this.electricityService.getChartData(),
-    )
+      this.electricityService.getChartData()
+    ])
       .pipe(takeWhile(() => this.alive))
-      .subscribe(([listData, chartData]: [Electricity[], ElectricityChart[]] ) => {
+      .subscribe(([listData, chartData]: [Electricity[], ElectricityChart[]]) => {
         this.listData = listData;
         this.chartData = chartData;
       });
diff --git a/src/app/pages/dashboard/temperature/temperature.component.ts b/src/app/pages/dashboard/temperature/temperature.component.ts
index 4706f5fc..390b20e0 100644
--- a/src/app/pages/dashboard/temperature/temperature.component.ts
+++ b/src/app/pages/dashboard/temperature/temperature.component.ts
@@ -27,17 +27,17 @@ export class TemperatureComponent implements OnDestroy {
   themeSubscription: any;
 
   constructor(private themeService: NbThemeService,
-              private temperatureHumidityService: TemperatureHumidityData) {
+    private temperatureHumidityService: TemperatureHumidityData) {
     this.themeService.getJsTheme()
       .pipe(takeWhile(() => this.alive))
       .subscribe(config => {
-      this.theme = config.variables.temperature;
-    });
+        this.theme = config.variables.temperature;
+      });
 
-    forkJoin(
+    forkJoin([
       this.temperatureHumidityService.getTemperatureData(),
       this.temperatureHumidityService.getHumidityData(),
-    )
+    ])
       .subscribe(([temperatureData, humidityData]: [Temperature, Temperature]) => {
         this.temperatureData = temperatureData;
         this.temperature = this.temperatureData.value;
diff --git a/src/app/pages/e-commerce/visitors-analytics/visitors-analytics.component.ts b/src/app/pages/e-commerce/visitors-analytics/visitors-analytics.component.ts
index c5c254bc..8e302568 100644
--- a/src/app/pages/e-commerce/visitors-analytics/visitors-analytics.component.ts
+++ b/src/app/pages/e-commerce/visitors-analytics/visitors-analytics.component.ts
@@ -14,22 +14,22 @@ export class ECommerceVisitorsAnalyticsComponent implements OnDestroy {
   private alive = true;
 
   pieChartValue: number;
-  chartLegend: {iconColor: string; title: string}[];
+  chartLegend: { iconColor: string; title: string }[];
   visitorsAnalyticsData: { innerLine: number[]; outerLine: OutlineData[]; };
 
   constructor(private themeService: NbThemeService,
-              private visitorsAnalyticsChartService: VisitorsAnalyticsData) {
+    private visitorsAnalyticsChartService: VisitorsAnalyticsData) {
     this.themeService.getJsTheme()
       .pipe(takeWhile(() => this.alive))
       .subscribe(theme => {
         this.setLegendItems(theme.variables.visitorsLegend);
       });
 
-    forkJoin(
+    forkJoin([
       this.visitorsAnalyticsChartService.getInnerLineChartData(),
       this.visitorsAnalyticsChartService.getOutlineLineChartData(),
       this.visitorsAnalyticsChartService.getPieChartData(),
-    )
+    ])
       .pipe(takeWhile(() => this.alive))
       .subscribe(([innerLine, outerLine, pieChartValue]: [number[], OutlineData[], number]) => {
         this.visitorsAnalyticsData = {