woocommerce/assets/js/frontend/cart-fragments.js

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JavaScript
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jQuery(function($) {
// wc_cart_fragments_params is required to continue, ensure the object exists
if (typeof wc_cart_fragments_params === "undefined")
return false;
/** Cart Handling */
$supports_html5_storage = ( 'sessionStorage' in window && window['sessionStorage'] !== null );
$fragment_refresh = {
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url: wc_cart_fragments_params.ajax_url,
type: 'POST',
data: { action: 'woocommerce_get_refreshed_fragments' },
success: function( data ) {
if ( data && data.fragments ) {
$.each( data.fragments, function( key, value ) {
$(key).replaceWith(value);
});
if ( $supports_html5_storage ) {
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sessionStorage.setItem( wc_cart_fragments_params.fragment_name, JSON.stringify( data.fragments ) );
sessionStorage.setItem( "wc_cart_hash", data.cart_hash );
}
$('body').trigger( 'wc_fragments_refreshed' );
}
}
};
if ( $supports_html5_storage ) {
$('body').bind( 'added_to_cart', function( event, fragments, cart_hash ) {
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sessionStorage.setItem( wc_cart_fragments_params.fragment_name, JSON.stringify( fragments ) );
sessionStorage.setItem( "wc_cart_hash", cart_hash );
});
try {
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var wc_fragments = $.parseJSON( sessionStorage.getItem( wc_cart_fragments_params.fragment_name ) );
var cart_hash = sessionStorage.getItem( "wc_cart_hash" );
var cookie_hash = $.cookie( "woocommerce_cart_hash" );
if ( cart_hash == null || cart_hash == undefined || cart_hash == '' )
cart_hash = '';
if ( cookie_hash == null || cookie_hash == undefined || cookie_hash == '' )
cookie_hash = '';
if ( wc_fragments && wc_fragments['div.widget_shopping_cart_content'] && cart_hash == cookie_hash ) {
$.each( wc_fragments, function( key, value ) {
$(key).replaceWith(value);
});
$('body').trigger( 'wc_fragments_loaded' );
} else {
throw "No fragment";
}
} catch(err) {
$.ajax( $fragment_refresh );
}
} else {
$.ajax( $fragment_refresh );
}
/* Cart hiding */
if ( $.cookie( "woocommerce_items_in_cart" ) > 0 )
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$('.hide_cart_widget_if_empty').closest('.widget_shopping_cart').show();
else
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$('.hide_cart_widget_if_empty').closest('.widget_shopping_cart').hide();
$('body').bind( 'adding_to_cart', function() {
$('.hide_cart_widget_if_empty').closest('.widget_shopping_cart').show();
} );
});