Blog in Angular: Baseclass

blogpost.ts

@Component({
  selector: 'app-blogPost',
  template: `
    <div class="col">
      <h3>abstract Blog post</h3>
      <p>this is the dummy page - you should see the actual post.</p>
    </div>
  `
})
export class blogPost {
 
  Component: Type<any>;
  category: BlogCategory;
  id: string;
  introduction: string ;
  hasThumbnail: boolean;
  thumbnail: string;
  tags: string[];
  author: string;
  postDateTime: Date;
  title(): string ;
}