Пример реализации 404 страницы

Author: ilflask

src/app/app.routing.ts

@@ -3,7 +3,7 @@ import { MetaGuard } from '@ngx-meta/core';
 
 const routes: Routes = [
   {
-    path: '', loadChildren: './home/home.module#HomeModule', pathMatch: 'full',
+    path: '', loadChildren: './home/home.module#HomeModule',
     data: {
       // for override default meta
       meta: {
@@ -19,6 +19,9 @@ const routes: Routes = [
   { path: 'mock', loadChildren: './mock-server-browser/mock-server-browser.module#MockServerBrowserModule' },
   // with meta
   { path: 'back', loadChildren: './transfer-back/transfer-back.module#TransferBackModule', canActivateChild: [MetaGuard]},
+  // 404
+  { path: '404', loadChildren: './not-found/not-found.module#NotFoundModule' },
+  { path: '**', redirectTo: '404', pathMatch: 'full' }
 ];
 // must use {initialNavigation: 'enabled'}) - for one load page, without reload
 export const AppRoutes = RouterModule.forRoot(routes, { initialNavigation: 'enabled' });

src/app/not-found/not-found.component.html

@@ -0,0 +1,3 @@
+<p>
+  not-found works!
+</p>

src/app/not-found/not-found.component.scss

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { NotFoundComponent } from './not-found.component';
+
+describe('NotFoundComponent', () => {
+  let component: NotFoundComponent;
+  let fixture: ComponentFixture<NotFoundComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ NotFoundComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(NotFoundComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/not-found/not-found.component.spec.ts

@@ -0,0 +1,16 @@
+import { Component, OnInit } from '@angular/core';
+import { NotFoundService } from './not-found.service';
+
+@Component({
+    selector: 'app-not-found',
+    templateUrl: './not-found.component.html',
+    styleUrls: ['./not-found.component.scss']
+})
+export class NotFoundComponent implements OnInit {
+    public status: { code: number, message: string };
+    constructor(private _notFoundService: NotFoundService) {}
+
+    ngOnInit() {
+        this._notFoundService.setStatus(404, 'Not Found');
+    }
+}

src/app/not-found/not-found.component.ts

@@ -0,0 +1,15 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { NotFoundComponent } from './not-found.component';
+import { NotFoundRoutes } from './not-found.routing';
+import { NotFoundService } from './not-found.service';
+
+@NgModule({
+  imports: [
+    CommonModule,
+    NotFoundRoutes
+  ],
+  providers: [NotFoundService],
+  declarations: [NotFoundComponent]
+})
+export class NotFoundModule { }

src/app/not-found/not-found.module.ts

@@ -0,0 +1,8 @@
+import { NotFoundComponent } from './not-found.component';
+import { Routes, RouterModule } from '@angular/router';
+
+const routes: Routes = [
+  { path: '' , component: NotFoundComponent},
+];
+
+export const NotFoundRoutes = RouterModule.forChild(routes);

src/app/not-found/not-found.routing.ts

@@ -0,0 +1,15 @@
+import { TestBed, inject } from '@angular/core/testing';
+
+import { NotFoundService } from './not-found.service';
+
+describe('NotFoundService', () => {
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      providers: [NotFoundService]
+    });
+  });
+
+  it('should be created', inject([NotFoundService], (service: NotFoundService) => {
+    expect(service).toBeTruthy();
+  }));
+});

src/app/not-found/not-found.service.spec.ts

@@ -0,0 +1,15 @@
+import {RESPONSE} from '@nguniversal/express-engine/tokens';
+import {Inject, Injectable, Optional} from '@angular/core';
+
+@Injectable()
+export class NotFoundService {
+
+    constructor(@Optional() @Inject(RESPONSE) private _response: any) {}
+
+    public setStatus(_code: number, _message: string): void {
+        if (this._response) {
+            this._response.statusCode = _code;
+            this._response.statusMessage = _message;
+        }
+    }
+}