https://essentialsequential.com/wp-content/plugins/essentialsequential/static/conditional-fee.js?ver=1.0.7

1wp.hooks.addAction(
2    'experimental__woocommerce_blocks-checkout-set-active-payment-method',
3    "es-woocommerce-extension-namespace", function (payment_method) {
4        // const paymentMethodOptionsDiv = jQuery('#payment-method .wc-block-components-radio-control');
5        const checkout = jQuery('#payment-method');
6        setTimeout(() => {
7            checkout.block({message: null, overlayCSS: {background: '#fff', opacity: 0.6}})
8        }, 20);
9
10        window.wc.blocksCheckout.extensionCartUpdate({
11            namespace: "es-woocommerce-extension-namespace",
12            data: {
13                payment_method: payment_method.paymentMethodSlug
14            }
15        }).finally(() => {
16            checkout.unblock();
17        });
18    }
19);