export class Hero { public id:number constructor( public firstName:string, public lastName?:string, public birthdate?:Date, public url?:string, public rate:number = 100, id?:number) { this.id = id != null ? id : Hero.nextId++; } static clone({firstName, lastName, birthdate, url, rate, id} : Hero){ return new Hero (firstName, lastName, birthdate, url, rate, id ); } get fullName() {return `${this.firstName} ${this.lastName}`;} static nextId = 1; static MockHeroes = [ new Hero( 'Hercules', 'Son of Zeus', new Date(1970, 1, 25), 'http://www.imdb.com/title/tt0065832/', 325), new Hero('eenie', 'toe'), new Hero('Meanie', 'Toe'), new Hero('Miny', 'Toe'), new Hero('Moe', 'Toe') ]; }