https://tbk-systems.ru/g/shop2v2/default/js/shop2-ya-pay.js

1(function (d) {
2  const shop2YaPay = window.shop2YaPay = {
3    extend: function (a, b) {
4      for (var key in b)
5        if (b.hasOwnProperty(key)) {
6          a[key] = b[key];
7        }
8
9      return a;
10    },
11    init: function (settings) {
12      this.extend(this, settings);
13
14      if (this.merchantId && this.pluginUrl) {
15        const plugin = d.createElement('script');
16        plugin.async = true;
17        plugin.src = settings.pluginUrl;
18        plugin.onload = this.onYaPayLoad.bind(this);
19
20        document.body.append(plugin);
21      }
22    },
23    onYaPayLoad: function () {
24      const YaPay = window.YaPay;
25
26      const paymentData = {
27        env: YaPay.PaymentEnv.Production,
28        version: 4,
29        currencyCode: YaPay.CurrencyCode.Rub,
30        merchantId: this.merchantId,
31        totalAmount: this.totalAmount,
32        availablePaymentMethods: this.availablePaymentMethods,
33      };
34
35      YaPay.createSession(paymentData, {
36        onPayButtonClick: async function () {
37          const response = await fetch(shop2YaPay.apiUrl);
38          if (response.ok) {
39            const data = await response.json();
40            return data.result.payment_link;
41          }
42        },
43      })
44        .then(function (paymentSession) {
45          paymentSession.mountButton(
46            d.querySelector(shop2YaPay.buttonSelector),
47            {
48              type: YaPay.ButtonType.Pay,
49              theme: YaPay.ButtonTheme[shop2YaPay.buttonTheme],
50              width: YaPay.ButtonWidth.Auto,
51            }
52          );
53          
54          paymentSession.mountWidget(
55		    d.querySelector(shop2YaPay.widgetSelector),
56		    {
57		      widgetType: YaPay.WidgetType[shop2YaPay.widgetTheme] ?? YaPay.WidgetType.Ultimate,
58		      widgetTheme: YaPay.WidgetTheme[shop2YaPay.widgetVariant] ?? YaPay.WidgetTheme.Light,
59		      buttonTheme: YaPay.ButtonTheme[shop2YaPay.buttonTheme],
60		      	widgetSize: YaPay.WidgetSize[shop2YaPay.widgetSize],
61	            widgetBackground: YaPay.WidgetBackgroundType[shop2YaPay.widgetBackgroundType],
62	            padding: YaPay.WidgetPaddingType[shop2YaPay.padding],
63	            withOutline: shop2YaPay.withOutline,
64	            borderRadius: shop2YaPay.borderRadius,
65		    }
66		  );
67        });
68    }
69  }
70})(document)