angular 18 login api integration guard in angular

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integrating a login api with angular and implementing route guards is essential for creating secure applications. in this tutorial, we'll cover how to set up a simple login feature in angular 18, integrate it with a backend api, and protect routes using a route guard.

step 1: setting up the angular project

first, create a new angular project if you haven't done so already. you can use the angular cli for this:

```bash
ng new angular-login-demo
cd angular-login-demo
```

step 2: install necessary packages

for http requests, we need the `httpclientmodule`. if you haven't added it yet, import it into your app module:

```typescript
// app.module.ts
import { browsermodule } from '@angular/platform-browser';
import { ngmodule } from '@angular/core';
import { httpclientmodule } from '@angular/common/http';
import { routermodule } from '@angular/router';

import { appcomponent } from './app.component';
import { logincomponent } from './login/login.component';
import { dashboardcomponent } from './dashboard/dashboard.component';
import { authguard } from './auth.guard';

@ngmodule({
declarations: [
appcomponent,
logincomponent,
dashboardcomponent
],
imports: [
browsermodule,
httpclientmodule,
routermodule.forroot([
{ path: 'login', component: logincomponent },
{ path: 'dashboard', component: dashboardcomponent, canactivate: [authguard] },
{ path: '', redirectto: '/login', pathmatch: 'full' },
{ path: '**', redirectto: '/login' }
])
],
providers: [authguard],
bootstrap: [appcomponent]
})
export class appmodule { }
```

step 3: create the login component

create a login component to handle user input.

```bash
ng generate component login
```

now, implement the login form in `login.component.html`:

```html
!-- login.component.html --
div class="login-container"
h2login/h2
form (ngsubmit)="onsubmit()"
label for="username"username:/label
input type="text" id="username" [(ngmodel)] ...

#Angular18 #LoginAPI #windows
Angular 18
login API integration
route guard
authentication guard
Angular security
user authentication
API token
session management
Angular services
HTTP interceptors
Angular routing
JWT authentication
user roles
secure routes
Angular best practices