@cloudpayments/checkout/src/loadCheckout/loadCheckout.ts

import { LoadCheckout, loadScript } from '../common/common'
import { CheckoutSettings, Checkout } from '../interfaces';


let checkoutPromise: LoadCheckout;

export function loadCheckout(checkoutSettings: CheckoutSettings, checkoutFullUrl?: string): Promise<Checkout> {
    checkoutPromise = loadScript(checkoutFullUrl);


    return new Promise<Checkout>((resolve, reject) => {
        checkoutPromise.catch((err: Error) => {
            reject(err);
        });

        checkoutPromise.then(checkout => {
            if (checkout === null) {
                reject("Failed to load checkout");
            } else {
                resolve(new checkout(checkoutSettings));
            }
        });
    })
}