import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';

@NgModule({
  imports: [
    CommonModule
  ],
  declarations: [],
  providers: [
    { provide: 'SQUARE', useFactory: getSquare }
  ]
})
export class SquareModule { }

export function getSquare() {
  return (typeof window !== undefined)
      // TypeScript indicates it doesn't exist on Window
      ? window.SqPaymentForm
      : null;
}