Merge branch 'master' into spencer/docs

# Conflicts:
#	package-lock.json
#	package.json
#	src/app/_eth/accountIndex.ts
#	src/app/_eth/token-registry.ts
#	src/app/_guards/auth.guard.ts
#	src/app/_guards/role.guard.ts
#	src/app/_helpers/array-sum.ts
#	src/app/_helpers/clipboard-copy.ts
#	src/app/_helpers/custom-error-state-matcher.ts
#	src/app/_helpers/custom.validator.ts
#	src/app/_helpers/export-csv.ts
#	src/app/_helpers/global-error-handler.ts
#	src/app/_helpers/http-getter.ts
#	src/app/_helpers/mock-backend.ts
#	src/app/_helpers/read-csv.ts
#	src/app/_helpers/schema-validation.ts
#	src/app/_services/user.service.spec.ts

src/app/shared/_directives/menu-selection.directive.spec.ts

@@ -1,8 +1,10 @@
 import { MenuSelectionDirective } from '@app/shared/_directives/menu-selection.directive';
-import {ElementRef, Renderer2} from '@angular/core';
+import { ElementRef, Renderer2 } from '@angular/core';
 
 describe('MenuSelectionDirective', () => {
+  // tslint:disable-next-line:prefer-const
   let elementRef: ElementRef;
+  // tslint:disable-next-line:prefer-const
   let renderer: Renderer2;
 
   beforeEach(() => {

src/app/shared/_directives/menu-selection.directive.ts

@@ -1,14 +1,10 @@
-import {Directive, ElementRef, Renderer2} from '@angular/core';
+import { Directive, ElementRef, Renderer2 } from '@angular/core';
 
 @Directive({
-  selector: '[appMenuSelection]'
+  selector: '[appMenuSelection]',
 })
 export class MenuSelectionDirective {
-
-  constructor(
-    private elementRef: ElementRef,
-    private renderer: Renderer2
-  ) {
+  constructor(private elementRef: ElementRef, private renderer: Renderer2) {
     this.renderer.listen(this.elementRef.nativeElement, 'click', () => {
       const mediaQuery = window.matchMedia('(max-width: 768px)');
       if (mediaQuery.matches) {

src/app/shared/_directives/menu-toggle.directive.spec.ts

@@ -1,8 +1,10 @@
 import { MenuToggleDirective } from '@app/shared/_directives/menu-toggle.directive';
-import {ElementRef, Renderer2} from '@angular/core';
+import { ElementRef, Renderer2 } from '@angular/core';
 
 describe('MenuToggleDirective', () => {
+  // tslint:disable-next-line:prefer-const
   let elementRef: ElementRef;
+  // tslint:disable-next-line:prefer-const
   let renderer: Renderer2;
   it('should create an instance', () => {
     const directive = new MenuToggleDirective(elementRef, renderer);

src/app/shared/_directives/menu-toggle.directive.ts

@@ -1,14 +1,10 @@
-import {Directive, ElementRef, Renderer2} from '@angular/core';
+import { Directive, ElementRef, Renderer2 } from '@angular/core';
 
 @Directive({
-  selector: '[appMenuToggle]'
+  selector: '[appMenuToggle]',
 })
 export class MenuToggleDirective {
-
-  constructor(
-    private elementRef: ElementRef,
-    private renderer: Renderer2
-  ) {
+  constructor(private elementRef: ElementRef, private renderer: Renderer2) {
     this.renderer.listen(this.elementRef.nativeElement, 'click', () => {
       this.onMenuToggle();
     });

src/app/shared/_pipes/safe.pipe.ts

@@ -1,15 +1,13 @@
 import { Pipe, PipeTransform } from '@angular/core';
-import {DomSanitizer} from '@angular/platform-browser';
+import { DomSanitizer } from '@angular/platform-browser';
 
 @Pipe({
-  name: 'safe'
+  name: 'safe',
 })
 export class SafePipe implements PipeTransform {
-
   constructor(private sanitizer: DomSanitizer) {}
 
   transform(url: string, ...args: unknown[]): unknown {
     return this.sanitizer.bypassSecurityTrustResourceUrl(url);
   }
-
 }

src/app/shared/_pipes/token-ratio.pipe.ts

@@ -1,6 +1,6 @@
-import {Pipe, PipeTransform} from '@angular/core';
+import { Pipe, PipeTransform } from '@angular/core';
 
-@Pipe({name: 'tokenRatio'})
+@Pipe({ name: 'tokenRatio' })
 export class TokenRatioPipe implements PipeTransform {
   transform(value: any, ...args): any {
     return Number(value) / Math.pow(10, 6);

src/app/shared/error-dialog/error-dialog.component.spec.ts

@@ -8,9 +8,8 @@ describe('ErrorDialogComponent', () => {
 
   beforeEach(async () => {
     await TestBed.configureTestingModule({
-      declarations: [ ErrorDialogComponent ]
-    })
-    .compileComponents();
+      declarations: [ErrorDialogComponent],
+    }).compileComponents();
   });
 
   beforeEach(() => {

src/app/shared/error-dialog/error-dialog.component.ts

@@ -1,14 +1,12 @@
-import {Component, ChangeDetectionStrategy, Inject} from '@angular/core';
-import {MAT_DIALOG_DATA} from '@angular/material/dialog';
+import { Component, ChangeDetectionStrategy, Inject } from '@angular/core';
+import { MAT_DIALOG_DATA } from '@angular/material/dialog';
 
 @Component({
   selector: 'app-error-dialog',
   templateUrl: './error-dialog.component.html',
   styleUrls: ['./error-dialog.component.scss'],
-  changeDetection: ChangeDetectionStrategy.OnPush
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class ErrorDialogComponent {
-
-  constructor(@Inject(MAT_DIALOG_DATA) public data: any) { }
-
+  constructor(@Inject(MAT_DIALOG_DATA) public data: any) {}
 }

src/app/shared/footer/footer.component.spec.ts

@@ -8,9 +8,8 @@ describe('FooterComponent', () => {
 
   beforeEach(async () => {
     await TestBed.configureTestingModule({
-      declarations: [ FooterComponent ]
-    })
-    .compileComponents();
+      declarations: [FooterComponent],
+    }).compileComponents();
   });
 
   beforeEach(() => {

src/app/shared/footer/footer.component.ts

@@ -1,16 +1,13 @@
-import {ChangeDetectionStrategy, Component, OnInit} from '@angular/core';
+import { ChangeDetectionStrategy, Component, OnInit } from '@angular/core';
 
 @Component({
   selector: 'app-footer',
   templateUrl: './footer.component.html',
   styleUrls: ['./footer.component.scss'],
-  changeDetection: ChangeDetectionStrategy.OnPush
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class FooterComponent implements OnInit {
+  constructor() {}
 
-  constructor() { }
-
-  ngOnInit(): void {
-  }
-
+  ngOnInit(): void {}
 }

src/app/shared/network-status/network-status.component.html

@@ -0,0 +1,13 @@
+<nav class="navbar navbar-dark bg-dark">
+  <h1 class="navbar-brand">
+    <div *ngIf="noInternetConnection; then offlineBlock else onlineBlock"></div>
+    <ng-template #offlineBlock>
+      <strong style="color: red;">OFFLINE </strong>
+      <img width="20rem" src="assets/images/no-wifi.svg" alt="Internet Disconnected">
+    </ng-template>
+    <ng-template #onlineBlock>
+      <strong style="color: lawngreen;">ONLINE </strong>
+      <img width="20rem" src="assets/images/wifi.svg" alt="Internet Connected">
+    </ng-template>
+  </h1>
+</nav>

src/app/shared/network-status/network-status.component.spec.ts

@@ -0,0 +1,24 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { NetworkStatusComponent } from './network-status.component';
+
+describe('NetworkStatusComponent', () => {
+  let component: NetworkStatusComponent;
+  let fixture: ComponentFixture<NetworkStatusComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [NetworkStatusComponent],
+    }).compileComponents();
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(NetworkStatusComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/shared/network-status/network-status.component.ts

@@ -0,0 +1,27 @@
+import { Component, OnInit, ChangeDetectionStrategy, ChangeDetectorRef } from '@angular/core';
+
+@Component({
+  selector: 'app-network-status',
+  templateUrl: './network-status.component.html',
+  styleUrls: ['./network-status.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class NetworkStatusComponent implements OnInit {
+  noInternetConnection: boolean = !navigator.onLine;
+
+  constructor(private cdr: ChangeDetectorRef) {
+    this.handleNetworkChange();
+  }
+
+  ngOnInit(): void {}
+
+  handleNetworkChange(): void {
+    setTimeout(() => {
+      if (!navigator.onLine !== this.noInternetConnection) {
+        this.noInternetConnection = !navigator.onLine;
+        this.cdr.detectChanges();
+      }
+      this.handleNetworkChange();
+    }, 5000);
+  }
+}

src/app/shared/shared.module.ts

@@ -5,14 +5,13 @@ import { FooterComponent } from '@app/shared/footer/footer.component';
 import { SidebarComponent } from '@app/shared/sidebar/sidebar.component';
 import { MenuSelectionDirective } from '@app/shared/_directives/menu-selection.directive';
 import { MenuToggleDirective } from '@app/shared/_directives/menu-toggle.directive';
-import {RouterModule} from '@angular/router';
-import {MatIconModule} from '@angular/material/icon';
-import {TokenRatioPipe} from '@app/shared/_pipes/token-ratio.pipe';
+import { RouterModule } from '@angular/router';
+import { MatIconModule } from '@angular/material/icon';
+import { TokenRatioPipe } from '@app/shared/_pipes/token-ratio.pipe';
 import { ErrorDialogComponent } from '@app/shared/error-dialog/error-dialog.component';
-import {MatDialogModule} from '@angular/material/dialog';
+import { MatDialogModule } from '@angular/material/dialog';
 import { SafePipe } from '@app/shared/_pipes/safe.pipe';
-
-
+import { NetworkStatusComponent } from './network-status/network-status.component';
 
 @NgModule({
   declarations: [
@@ -23,7 +22,8 @@ import { SafePipe } from '@app/shared/_pipes/safe.pipe';
     MenuToggleDirective,
     TokenRatioPipe,
     ErrorDialogComponent,
-    SafePipe
+    SafePipe,
+    NetworkStatusComponent,
   ],
   exports: [
     TopbarComponent,
@@ -31,13 +31,9 @@ import { SafePipe } from '@app/shared/_pipes/safe.pipe';
     SidebarComponent,
     MenuSelectionDirective,
     TokenRatioPipe,
-    SafePipe
+    SafePipe,
+    NetworkStatusComponent,
   ],
-  imports: [
-    CommonModule,
-    RouterModule,
-    MatIconModule,
-    MatDialogModule,
-  ]
+  imports: [CommonModule, RouterModule, MatIconModule, MatDialogModule],
 })
-export class SharedModule { }
+export class SharedModule {}

src/app/shared/sidebar/sidebar.component.spec.ts

@@ -8,9 +8,8 @@ describe('SidebarComponent', () => {
 
   beforeEach(async () => {
     await TestBed.configureTestingModule({
-      declarations: [ SidebarComponent ]
-    })
-    .compileComponents();
+      declarations: [SidebarComponent],
+    }).compileComponents();
   });
 
   beforeEach(() => {

src/app/shared/sidebar/sidebar.component.ts

@@ -1,16 +1,13 @@
-import {ChangeDetectionStrategy, Component, OnInit} from '@angular/core';
+import { ChangeDetectionStrategy, Component, OnInit } from '@angular/core';
 
 @Component({
   selector: 'app-sidebar',
   templateUrl: './sidebar.component.html',
   styleUrls: ['./sidebar.component.scss'],
-  changeDetection: ChangeDetectionStrategy.OnPush
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class SidebarComponent implements OnInit {
+  constructor() {}
 
-  constructor() { }
-
-  ngOnInit(): void {
-  }
-
+  ngOnInit(): void {}
 }

src/app/shared/topbar/topbar.component.spec.ts

@@ -8,9 +8,8 @@ describe('TopbarComponent', () => {
 
   beforeEach(async () => {
     await TestBed.configureTestingModule({
-      declarations: [ TopbarComponent ]
-    })
-    .compileComponents();
+      declarations: [TopbarComponent],
+    }).compileComponents();
   });
 
   beforeEach(() => {

src/app/shared/topbar/topbar.component.ts

@@ -1,16 +1,13 @@
-import {ChangeDetectionStrategy, Component, OnInit} from '@angular/core';
+import { ChangeDetectionStrategy, Component, OnInit } from '@angular/core';
 
 @Component({
   selector: 'app-topbar',
   templateUrl: './topbar.component.html',
   styleUrls: ['./topbar.component.scss'],
-  changeDetection: ChangeDetectionStrategy.OnPush
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class TopbarComponent implements OnInit {
+  constructor() {}
 
-  constructor() { }
-
-  ngOnInit(): void {
-  }
-
+  ngOnInit(): void {}
 }