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how to customize the angular breadcrumb component using templates

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customizing an angular breadcrumb component can greatly enhance the user experience by providing clear navigation paths. this tutorial will guide you through creating a customizable breadcrumb component using angular, including how to use templates for personalization.

step 1: setting up your angular project

first, you need to create a new angular project if you don't have one yet. you can do this using the angular cli.

```bash
ng new breadcrumb-example
cd breadcrumb-example
ng serve
```

step 2: creating the breadcrumb component

generate a new breadcrumb component:

```bash
ng generate component breadcrumb
```

step 3: defining the breadcrumb model

create a simple model to represent the breadcrumb items. this could be done in a new file called `breadcrumb.model.ts`.

```typescript
// src/app/breadcrumb.model.ts
export interface breadcrumb {
label: string;
url: string;
}
```

step 4: implementing the breadcrumb component

open the `breadcrumb.component.ts` file and implement the logic to manage the breadcrumb items.

```typescript
// src/app/breadcrumb/breadcrumb.component.ts
import { component, input } from '@angular/core';
import { breadcrumb } from '../breadcrumb.model';

@component({
selector: 'app-breadcrumb',
templateurl: './breadcrumb.component.html',
styleurls: ['./breadcrumb.component.css']
})
export class breadcrumbcomponent {
@input() breadcrumbs: breadcrumb[] = [];
}
```

step 5: creating the breadcrumb template

in `breadcrumb.component.html`, create a template that will loop through the breadcrumb items and display them. you can also provide a way to customize the display using `ng-template`.

```html
!-- src/app/breadcrumb/breadcrumb.component.html --
nav
ng-container *ngfor="let breadcrumb of breadcrumbs; let last = last"
ng-container *ngif="!last; else lastbreadcrumb"
a [routerlink]="breadcrumb.url"{{ breadcrumb.label }}/a >
/ng-container
ng-template lastbreadcrumb
span{{ breadcrum ...

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