call ts in javascript

1import kb = Knockback;
2
3export module CustomerViewModels
4{
5  export class CustomerVM extends kb.ViewModel
6  {
7    Id: number;
8    FirstName: string;
9    LastName: string;
10    CompanyName: string;
11    SalesOrdersHeaders: kb.CollectionObservable;
12  }
13}

1function CreateKnockBackViewModel(cust, orders) {
2  var cvm = {
3             Id: kb.observable(cust,'Id'),
4             CompanyName: kb.observable(cust, 'CompanyName'),
5             FirstName: kb.observable(cust, 'FirstName'),
6             LastName: kb.observable(cust, 'LastName'),
7             SalesOrderHeaders: kb.collectionObservable(orders)
8           }
9  return cvm;
10}