Last Piece Hacktivist Crew

Editing: cart-fragments.js

/* global kkart_cart_fragments_params, Cookies */
jQuery( function( $ ) {

// kkart_cart_fragments_params is required to continue, ensure the object exists
	if ( typeof kkart_cart_fragments_params === 'undefined' ) {
		return false;
	}

/* Storage Handling */
	var $supports_html5_storage = true,
		cart_hash_key           = kkart_cart_fragments_params.cart_hash_key;

try {
		$supports_html5_storage = ( 'sessionStorage' in window && window.sessionStorage !== null );
		window.sessionStorage.setItem( 'kkart', 'test' );
		window.sessionStorage.removeItem( 'kkart' );
		window.localStorage.setItem( 'kkart', 'test' );
		window.localStorage.removeItem( 'kkart' );
	} catch( err ) {
		$supports_html5_storage = false;
	}

/* Cart session creation time to base expiration on */
	function set_cart_creation_timestamp() {
		if ( $supports_html5_storage ) {
			sessionStorage.setItem( 'kkart_cart_created', ( new Date() ).getTime() );
		}
	}

/** Set the cart hash in both session and local storage */
	function set_cart_hash( cart_hash ) {
		if ( $supports_html5_storage ) {
			localStorage.setItem( cart_hash_key, cart_hash );
			sessionStorage.setItem( cart_hash_key, cart_hash );
		}
	}

var $fragment_refresh = {
		url: kkart_cart_fragments_params.kkart_ajax_url.toString().replace( '%%endpoint%%', 'get_refreshed_fragments' ),
		type: 'POST',
		data: {
			time: new Date().getTime()
		},
		timeout: kkart_cart_fragments_params.request_timeout,
		success: function( data ) {
			if ( data && data.fragments ) {

$.each( data.fragments, function( key, value ) {
					$( key ).replaceWith( value );
				});

if ( $supports_html5_storage ) {
					sessionStorage.setItem( kkart_cart_fragments_params.fragment_name, JSON.stringify( data.fragments ) );
					set_cart_hash( data.cart_hash );

if ( data.cart_hash ) {
						set_cart_creation_timestamp();
					}
				}

$( document.body ).trigger( 'kkart_fragments_refreshed' );
			}
		},
		error: function() {
			$( document.body ).trigger( 'kkart_fragments_ajax_error' );
		}
	};

/* Named callback for refreshing cart fragment */
	function refresh_cart_fragment() {
		$.ajax( $fragment_refresh );
	}

/* Cart Handling */
	if ( $supports_html5_storage ) {

var cart_timeout = null,
			day_in_ms    = ( 24 * 60 * 60 * 1000 );

$( document.body ).on( 'kkart_fragment_refresh updated_kkart_div', function() {
			refresh_cart_fragment();
		});

$( document.body ).on( 'added_to_cart removed_from_cart', function( event, fragments, cart_hash ) {
			var prev_cart_hash = sessionStorage.getItem( cart_hash_key );

if ( prev_cart_hash === null || prev_cart_hash === undefined || prev_cart_hash === '' ) {
				set_cart_creation_timestamp();
			}

sessionStorage.setItem( kkart_cart_fragments_params.fragment_name, JSON.stringify( fragments ) );
			set_cart_hash( cart_hash );
		});

$( document.body ).on( 'kkart_fragments_refreshed', function() {
			clearTimeout( cart_timeout );
			cart_timeout = setTimeout( refresh_cart_fragment, day_in_ms );
		} );

// Refresh when storage changes in another tab
		$( window ).on( 'storage onstorage', function ( e ) {
			if (
				cart_hash_key === e.originalEvent.key && localStorage.getItem( cart_hash_key ) !== sessionStorage.getItem( cart_hash_key )
			) {
				refresh_cart_fragment();
			}
		});

// Refresh when page is shown after back button (safari)
		$( window ).on( 'pageshow' , function( e ) {
			if ( e.originalEvent.persisted ) {
				$( '.widget_shopping_cart_content' ).empty();
				$( document.body ).trigger( 'kkart_fragment_refresh' );
			}
		} );

try {
			var kkart_fragments = JSON.parse( sessionStorage.getItem( kkart_cart_fragments_params.fragment_name ) ),
				cart_hash    = sessionStorage.getItem( cart_hash_key ),
				cookie_hash  = Cookies.get( 'kkart_cart_hash'),
				cart_created = sessionStorage.getItem( 'kkart_cart_created' );

if ( cart_hash === null || cart_hash === undefined || cart_hash === '' ) {
				cart_hash = '';
			}

if ( cookie_hash === null || cookie_hash === undefined || cookie_hash === '' ) {
				cookie_hash = '';
			}

if ( cart_hash && ( cart_created === null || cart_created === undefined || cart_created === '' ) ) {
				throw 'No cart_created';
			}

if ( cart_created ) {
				var cart_expiration = ( ( 1 * cart_created ) + day_in_ms ),
					timestamp_now   = ( new Date() ).getTime();
				if ( cart_expiration < timestamp_now ) {
					throw 'Fragment expired';
				}
				cart_timeout = setTimeout( refresh_cart_fragment, ( cart_expiration - timestamp_now ) );
			}

if ( kkart_fragments && kkart_fragments['div.widget_shopping_cart_content'] && cart_hash === cookie_hash ) {

$.each( kkart_fragments, function( key, value ) {
					$( key ).replaceWith(value);
				});

$( document.body ).trigger( 'kkart_fragments_loaded' );
			} else {
				throw 'No fragment';
			}

} catch( err ) {
			refresh_cart_fragment();
		}

} else {
		refresh_cart_fragment();
	}

/* Cart Hiding */
	if ( Cookies.get( 'kkart_items_in_cart' ) > 0 ) {
		$( '.hide_cart_widget_if_empty' ).closest( '.widget_shopping_cart' ).show();
	} else {
		$( '.hide_cart_widget_if_empty' ).closest( '.widget_shopping_cart' ).hide();
	}

$( document.body ).on( 'adding_to_cart', function() {
		$( '.hide_cart_widget_if_empty' ).closest( '.widget_shopping_cart' ).show();
	});

// Customiser support.
	var hasSelectiveRefresh = (
		'undefined' !== typeof wp &&
		wp.customize &&
		wp.customize.selectiveRefresh &&
		wp.customize.widgetsPreview &&
		wp.customize.widgetsPreview.WidgetPartial
	);
	if ( hasSelectiveRefresh ) {
		wp.customize.selectiveRefresh.bind( 'partial-content-rendered', function() {
			refresh_cart_fragment();
		} );
	}
});

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