.-.-.-.-.-

export class Sdkloader {

static instance = null;

static getInstance() {
		if (this.instance == null) {
			this.instance = new Sdkloader();
		}

return this.instance;
	}

load() : Promise {
		if (this._loadPromise != null) { return this._loadPromise; }

this._loadPromise = new Promise((resolve, reject) => {
			if (this.testGlobal()) {
				resolve();
				return;
			}

const script = document.createElement('script');
			const anchor = document.getElementsByTagName("script")[0] || document.body;

script.type = "text/javascript";
			script.async = true;
			script.src = 'https://pay.yandex.ru/sdk/v1/pay.js';

script.onload = () => {
				this.loopGlobal(() => {
					this._loadPromise = null;
					resolve();
				});
			};
			script.onerror = () => {
				this._loadPromise = null;
				script.remove();

reject(new Error('cant load yandex pay sdk library'));
			};

anchor.parentNode.insertBefore(script, anchor);
		});

return this._loadPromise;
	}

loopGlobal(resolve) : void {
		if (this.testGlobal()) {
			resolve();
			return;
		}

setTimeout(() => { this.loopGlobal(resolve) }, 100);
	}

testGlobal() : boolean {
		return window.YaPay?.createPayment != null;
	}
}

/var/www/axolotl/data/www/./b24.axolotl.ru/public_html/bitrix/js/yandexpaypay/widget/sdkloader.js