angular-cn/public/docs/_examples/architecture/ts/app/sales-tax.service.ts

19 lines
497 B
TypeScript

// #docregion
import {Injectable, Inject} from 'angular2/core';
import {TaxRateService} from './tax-rate.service';
// #docregion class
@Injectable()
export class SalesTaxService {
constructor(private _rateService: TaxRateService) { }
getVAT(value:string | number){
let amount:number;
if (typeof value === "string"){
amount = parseFloat(value);
} else {
amount = value;
}
return (amount || 0) * this._rateService.getRate('VAT');
}
}
// #enddocregion class