https://camannucci.com/wp/wp-content/plugins/woocommerce/assets/js/frontend/add-to-cart.js?ver=8.5.2

1/* global wc_add_to_cart_params */
2jQuery( function( $ ) {
3
4	if ( typeof wc_add_to_cart_params === 'undefined' ) {
5		return false;
6	}
7
8	/**
9	 * AddToCartHandler class.
10	 */
11	var AddToCartHandler = function() {
12		this.requests   = [];
13		this.addRequest = this.addRequest.bind( this );
14		this.run        = this.run.bind( this );
15
16		$( document.body )
17			.on( 'click', '.add_to_cart_button', { addToCartHandler: this }, this.onAddToCart )
18			.on( 'click', '.remove_from_cart_button', { addToCartHandler: this }, this.onRemoveFromCart )
19			.on( 'added_to_cart', this.updateButton )
20			.on( 'ajax_request_not_sent.adding_to_cart', this.updateButton )
21			.on( 'added_to_cart removed_from_cart', { addToCartHandler: this }, this.updateFragments );
22	};
23
24	/**
25	 * Add add to cart event.
26	 */
27	AddToCartHandler.prototype.addRequest = function( request ) {
28		this.requests.push( request );
29
30		if ( 1 === this.requests.length ) {
31			this.run();
32		}
33	};
34
35	/**
36	 * Run add to cart events.
37	 */
38	AddToCartHandler.prototype.run = function() {
39		var requestManager = this,
40			originalCallback = requestManager.requests[0].complete;
41
42		requestManager.requests[0].complete = function() {
43			if ( typeof originalCallback === 'function' ) {
44				originalCallback();
45			}
46
47			requestManager.requests.shift();
48
49			if ( requestManager.requests.length > 0 ) {
50				requestManager.run();
51			}
52		};
53
54		$.ajax( this.requests[0] );
55	};
56
57	/**
58	 * Handle the add to cart event.
59	 */
60	AddToCartHandler.prototype.onAddToCart = function( e ) {
61		var $thisbutton = $( this );
62
63		if ( $thisbutton.is( '.ajax_add_to_cart' ) ) {
64			if ( ! $thisbutton.attr( 'data-product_id' ) ) {
65				return true;
66			}
67
68			e.preventDefault();
69
70			$thisbutton.removeClass( 'added' );
71			$thisbutton.addClass( 'loading' );
72
73			// Allow 3rd parties to validate and quit early.
74			if ( false === $( document.body ).triggerHandler( 'should_send_ajax_request.adding_to_cart', [ $thisbutton ] ) ) { 
75				$( document.body ).trigger( 'ajax_request_not_sent.adding_to_cart', [ false, false, $thisbutton ] );
76				return true;
77			}
78
79			var data = {};
80
81			// Fetch changes that are directly added by calling $thisbutton.data( key, value )
82			$.each( $thisbutton.data(), function( key, value ) {
83				data[ key ] = value;
84			});
85
86			// Fetch data attributes in $thisbutton. Give preference to data-attributes because they can be directly modified by javascript
87			// while `.data` are jquery specific memory stores.
88			$.each( $thisbutton[0].dataset, function( key, value ) {
89				data[ key ] = value;
90			});
91
92			// Trigger event.
93			$( document.body ).trigger( 'adding_to_cart', [ $thisbutton, data ] );
94
95			e.data.addToCartHandler.addRequest({
96				type: 'POST',
97				url: wc_add_to_cart_params.wc_ajax_url.toString().replace( '%%endpoint%%', 'add_to_cart' ),
98				data: data,
99				success: function( response ) {
100					if ( ! response ) {
101						return;
102					}
103
104					if ( response.error && response.product_url ) {
105						window.location = response.product_url;
106						return;
107					}
108
109					// Redirect to cart option
110					if ( wc_add_to_cart_params.cart_redirect_after_add === 'yes' ) {
111						window.location = wc_add_to_cart_params.cart_url;
112						return;
113					}
114
115					// Trigger event so themes can refresh other areas.
116					$( document.body ).trigger( 'added_to_cart', [ response.fragments, response.cart_hash, $thisbutton ] );
117				},
118				dataType: 'json'
119			});
120		}
121	};
122
123	/**
124	 * Update fragments after remove from cart event in mini-cart.
125	 */
126	AddToCartHandler.prototype.onRemoveFromCart = function( e ) {
127		var $thisbutton = $( this ),
128			$row        = $thisbutton.closest( '.woocommerce-mini-cart-item' );
129
130		e.preventDefault();
131
132		$row.block({
133			message: null,
134			overlayCSS: {
135				opacity: 0.6
136			}
137		});
138
139		e.data.addToCartHandler.addRequest({
140			type: 'POST',
141			url: wc_add_to_cart_params.wc_ajax_url.toString().replace( '%%endpoint%%', 'remove_from_cart' ),
142			data: {
143				cart_item_key : $thisbutton.data( 'cart_item_key' )
144			},
145			success: function( response ) {
146				if ( ! response || ! response.fragments ) {
147					window.location = $thisbutton.attr( 'href' );
148					return;
149				}
150
151				$( document.body ).trigger( 'removed_from_cart', [ response.fragments, response.cart_hash, $thisbutton ] );
152			},
153			error: function() {
154				window.location = $thisbutton.attr( 'href' );
155				return;
156			},
157			dataType: 'json'
158		});
159	};
160
161	/**
162	 * Update cart page elements after add to cart events.
163	 */
164	AddToCartHandler.prototype.updateButton = function( e, fragments, cart_hash, $button ) {
165		$button = typeof $button === 'undefined' ? false : $button;
166
167		if ( $button ) {
168			$button.removeClass( 'loading' );
169			
170			if ( fragments ) {
171				$button.addClass( 'added' );
172			}
173
174			// View cart text.
175			if ( fragments && ! wc_add_to_cart_params.is_cart && $button.parent().find( '.added_to_cart' ).length === 0 ) {
176				$button.after( '<a href="' + wc_add_to_cart_params.cart_url + '" class="added_to_cart wc-forward" title="' +
177					wc_add_to_cart_params.i18n_view_cart + '">' + wc_add_to_cart_params.i18n_view_cart + '</a>' );
178			}
179
180			$( document.body ).trigger( 'wc_cart_button_updated', [ $button ] );
181		}
182	};
183
184	/**
185	 * Update fragments after add to cart events.
186	 */
187	AddToCartHandler.prototype.updateFragments = function( e, fragments ) {
188		if ( fragments ) {
189			$.each( fragments, function( key ) {
190				$( key )
191					.addClass( 'updating' )
192					.fadeTo( '400', '0.6' )
193					.block({
194						message: null,
195						overlayCSS: {
196							opacity: 0.6
197						}
198					});
199			});
200
201			$.each( fragments, function( key, value ) {
202				$( key ).replaceWith( value );
203				$( key ).stop( true ).css( 'opacity', '1' ).unblock();
204			});
205
206			$( document.body ).trigger( 'wc_fragments_loaded' );
207		}
208	};
209
210	/**
211	 * Init AddToCartHandler.
212	 */
213	new AddToCartHandler();
214});