https://dropp.cc/wp-content/plugins/dropp-pay-tipping/assets/js/frontend.js?ver=1.0

1(function ( $ ) {
2	"use strict";
3
4    const $document = $(document);
5    
6    let enableDonateButton = function( WidgetContainer ){
7        WidgetContainer.find('button.dropp-payment').attr('disabled', false);
8    };
9
10    let disableDonateButton = function( WidgetContainer ){
11        WidgetContainer.find('button.dropp-payment').attr('disabled', 'disabled');
12    };
13
14    let setDonationAmount = function( WidgetContainer, amount = '' ){
15        WidgetContainer.find('button.dropp-payment').attr('data-amount', amount);
16    }
17
18    $document.on( 'change', 'input[name="droppcc-button-amount"]', function( e ){
19        let WidgetContainer = $( e.target ).closest('.droppcc-widget__content');
20        let value = WidgetContainer.find('input[name="droppcc-button-amount"]:checked').val();
21        
22        if( '' !== value ){
23            WidgetContainer.find('input[name="dropp_wd_custom_amount"]').val('').removeClass('dropp_input_active');
24        };
25
26        enableDonateButton( WidgetContainer );
27        setDonationAmount( WidgetContainer, value );
28
29    });
30
31    $document.on( 'change', 'input[name="dropp_wd_custom_amount"]', function( e ){
32        let WidgetContainer = $( e.target ).closest('.droppcc-widget__content');
33        let value = e.target.value;
34        
35        if( '' !== value ){
36            WidgetContainer.find('input[name="droppcc-button-amount"]').prop('checked', '');
37            $(this).addClass('dropp_input_active');
38            
39            setDonationAmount( WidgetContainer, value );
40            enableDonateButton( WidgetContainer );
41        } else {
42            $(this).removeClass('dropp_input_active');
43            setDonationAmount( WidgetContainer, '' );
44            disableDonateButton( WidgetContainer );
45        };
46
47    });
48    
49    $document.on( 'keydown', 'input[name="dropp_wd_custom_amount"]', function( e ){
50        // limiting to 2 decimal places
51        if(!new RegExp(/^\d*\.?\d{0,1}$/).test(e.target.value)){ e.preventDefault(); }
52    });
53
54})( jQuery );