File: //proc/self/cwd/wp-content/plugins/woocommerce/assets/js/frontend/add-to-cart-variation.js
/*global wc_add_to_cart_variation_params */
;(function ( $, window, document, undefined ) {
/**
* VariationForm class which handles variation forms and attributes.
*/
var VariationForm = function( $form ) {
var self = this;
self.$form = $form;
self.$attributeFields = $form.find( '.variations select' );
self.$singleVariation = $form.find( '.single_variation' );
self.$singleVariationWrap = $form.find( '.single_variation_wrap' );
self.$resetVariations = $form.find( '.reset_variations' );
self.$product = $form.closest( '.product' );
self.variationData = $form.data( 'product_variations' );
self.useAjax = false === self.variationData;
self.xhr = false;
self.loading = true;
// Initial state.
self.$singleVariationWrap.show();
self.$form.off( '.wc-variation-form' );
// Methods.
self.getChosenAttributes = self.getChosenAttributes.bind( self );
self.findMatchingVariations = self.findMatchingVariations.bind( self );
self.isMatch = self.isMatch.bind( self );
self.toggleResetLink = self.toggleResetLink.bind( self );
// Events.
$form.on( 'click.wc-variation-form', '.reset_variations', { variationForm: self }, self.onReset );
$form.on( 'reload_product_variations', { variationForm: self }, self.onReload );
$form.on( 'hide_variation', { variationForm: self }, self.onHide );
$form.on( 'show_variation', { variationForm: self }, self.onShow );
$form.on( 'click', '.single_add_to_cart_button', { variationForm: self }, self.onAddToCart );
$form.on( 'reset_data', { variationForm: self }, self.onResetDisplayedVariation );
$form.on( 'reset_image', { variationForm: self }, self.onResetImage );
$form.on( 'change.wc-variation-form', '.variations select', { variationForm: self }, self.onChange );
$form.on( 'found_variation.wc-variation-form', { variationForm: self }, self.onFoundVariation );
$form.on( 'check_variations.wc-variation-form', { variationForm: self }, self.onFindVariation );
$form.on( 'update_variation_values.wc-variation-form', { variationForm: self }, self.onUpdateAttributes );
// Init after gallery.
setTimeout( function() {
$form.trigger( 'check_variations' );
$form.trigger( 'wc_variation_form', self );
self.loading = false;
}, 100 );
};
/**
* Reset all fields.
*/
VariationForm.prototype.onReset = function( event ) {
event.preventDefault();
event.data.variationForm.$attributeFields.val( '' ).change();
event.data.variationForm.$form.trigger( 'reset_data' );
};
/**
* Reload variation data from the DOM.
*/
VariationForm.prototype.onReload = function( event ) {
var form = event.data.variationForm;
form.variationData = form.$form.data( 'product_variations' );
form.useAjax = false === form.variationData;
form.$form.trigger( 'check_variations' );
};
/**
* When a variation is hidden.
*/
VariationForm.prototype.onHide = function( event ) {
event.preventDefault();
event.data.variationForm.$form
.find( '.single_add_to_cart_button' )
.removeClass( 'wc-variation-is-unavailable' )
.addClass( 'disabled wc-variation-selection-needed' );
event.data.variationForm.$form
.find( '.woocommerce-variation-add-to-cart' )
.removeClass( 'woocommerce-variation-add-to-cart-enabled' )
.addClass( 'woocommerce-variation-add-to-cart-disabled' );
};
/**
* When a variation is shown.
*/
VariationForm.prototype.onShow = function( event, variation, purchasable ) {
event.preventDefault();
if ( purchasable ) {
event.data.variationForm.$form
.find( '.single_add_to_cart_button' )
.removeClass( 'disabled wc-variation-selection-needed wc-variation-is-unavailable' );
event.data.variationForm.$form
.find( '.woocommerce-variation-add-to-cart' )
.removeClass( 'woocommerce-variation-add-to-cart-disabled' )
.addClass( 'woocommerce-variation-add-to-cart-enabled' );
} else {
event.data.variationForm.$form
.find( '.single_add_to_cart_button' )
.removeClass( 'wc-variation-selection-needed' )
.addClass( 'disabled wc-variation-is-unavailable' );
event.data.variationForm.$form
.find( '.woocommerce-variation-add-to-cart' )
.removeClass( 'woocommerce-variation-add-to-cart-enabled' )
.addClass( 'woocommerce-variation-add-to-cart-disabled' );
}
// If present, the media element library needs initialized on the variation description.
if ( wp.mediaelement ) {
event.data.variationForm.$form.find( '.wp-audio-shortcode, .wp-video-shortcode' )
.not( '.mejs-container' )
.filter(
function () {
return ! $( this ).parent().hasClass( 'mejs-mediaelement' );
}
)
.mediaelementplayer( wp.mediaelement.settings );
}
};
/**
* When the cart button is pressed.
*/
VariationForm.prototype.onAddToCart = function( event ) {
if ( $( this ).is('.disabled') ) {
event.preventDefault();
if ( $( this ).is('.wc-variation-is-unavailable') ) {
window.alert( wc_add_to_cart_variation_params.i18n_unavailable_text );
} else if ( $( this ).is('.wc-variation-selection-needed') ) {
window.alert( wc_add_to_cart_variation_params.i18n_make_a_selection_text );
}
}
};
/**
* When displayed variation data is reset.
*/
VariationForm.prototype.onResetDisplayedVariation = function( event ) {
var form = event.data.variationForm;
form.$product.find( '.product_meta' ).find( '.sku' ).wc_reset_content();
form.$product
.find( '.product_weight, .woocommerce-product-attributes-item--weight .woocommerce-product-attributes-item__value' )
.wc_reset_content();
form.$product
.find( '.product_dimensions, .woocommerce-product-attributes-item--dimensions .woocommerce-product-attributes-item__value' )
.wc_reset_content();
form.$form.trigger( 'reset_image' );
form.$singleVariation.slideUp( 200 ).trigger( 'hide_variation' );
};
/**
* When the product image is reset.
*/
VariationForm.prototype.onResetImage = function( event ) {
event.data.variationForm.$form.wc_variations_image_update( false );
};
/**
* Looks for matching variations for current selected attributes.
*/
VariationForm.prototype.onFindVariation = function( event, chosenAttributes ) {
var form = event.data.variationForm,
attributes = 'undefined' !== typeof chosenAttributes ? chosenAttributes : form.getChosenAttributes(),
currentAttributes = attributes.data;
if ( attributes.count && attributes.count === attributes.chosenCount ) {
if ( form.useAjax ) {
if ( form.xhr ) {
form.xhr.abort();
}
form.$form.block( { message: null, overlayCSS: { background: '#fff', opacity: 0.6 } } );
currentAttributes.product_id = parseInt( form.$form.data( 'product_id' ), 10 );
currentAttributes.custom_data = form.$form.data( 'custom_data' );
form.xhr = $.ajax( {
url: wc_add_to_cart_variation_params.wc_ajax_url.toString().replace( '%%endpoint%%', 'get_variation' ),
type: 'POST',
data: currentAttributes,
success: function( variation ) {
if ( variation ) {
form.$form.trigger( 'found_variation', [ variation ] );
} else {
form.$form.trigger( 'reset_data' );
attributes.chosenCount = 0;
if ( ! form.loading ) {
form.$form
.find( '.single_variation' )
.after(
'<p class="wc-no-matching-variations woocommerce-info">' +
wc_add_to_cart_variation_params.i18n_no_matching_variations_text +
'</p>'
);
form.$form.find( '.wc-no-matching-variations' ).slideDown( 200 );
}
}
},
complete: function() {
form.$form.unblock();
}
} );
} else {
form.$form.trigger( 'update_variation_values' );
var matching_variations = form.findMatchingVariations( form.variationData, currentAttributes ),
variation = matching_variations.shift();
if ( variation ) {
form.$form.trigger( 'found_variation', [ variation ] );
} else {
form.$form.trigger( 'reset_data' );
attributes.chosenCount = 0;
if ( ! form.loading ) {
form.$form
.find( '.single_variation' )
.after(
'<p class="wc-no-matching-variations woocommerce-info">' +
wc_add_to_cart_variation_params.i18n_no_matching_variations_text +
'</p>'
);
form.$form.find( '.wc-no-matching-variations' ).slideDown( 200 );
}
}
}
} else {
form.$form.trigger( 'update_variation_values' );
form.$form.trigger( 'reset_data' );
}
// Show reset link.
form.toggleResetLink( attributes.chosenCount > 0 );
};
/**
* Triggered when a variation has been found which matches all attributes.
*/
VariationForm.prototype.onFoundVariation = function( event, variation ) {
var form = event.data.variationForm,
$sku = form.$product.find( '.product_meta' ).find( '.sku' ),
$weight = form.$product.find(
'.product_weight, .woocommerce-product-attributes-item--weight .woocommerce-product-attributes-item__value'
),
$dimensions = form.$product.find(
'.product_dimensions, .woocommerce-product-attributes-item--dimensions .woocommerce-product-attributes-item__value'
),
$qty = form.$singleVariationWrap.find( '.quantity' ),
purchasable = true,
variation_id = '',
template = false,
$template_html = '';
if ( variation.sku ) {
$sku.wc_set_content( variation.sku );
} else {
$sku.wc_reset_content();
}
if ( variation.weight ) {
$weight.wc_set_content( variation.weight_html );
} else {
$weight.wc_reset_content();
}
if ( variation.dimensions ) {
// Decode HTML entities.
$dimensions.wc_set_content( $.parseHTML( variation.dimensions_html )[0].data );
} else {
$dimensions.wc_reset_content();
}
form.$form.wc_variations_image_update( variation );
if ( ! variation.variation_is_visible ) {
template = wp_template( 'unavailable-variation-template' );
} else {
template = wp_template( 'variation-template' );
variation_id = variation.variation_id;
}
$template_html = template( {
variation: variation
} );
$template_html = $template_html.replace( '/*<![CDATA[*/', '' );
$template_html = $template_html.replace( '/*]]>*/', '' );
form.$singleVariation.html( $template_html );
form.$form.find( 'input[name="variation_id"], input.variation_id' ).val( variation.variation_id ).change();
// Hide or show qty input
if ( variation.is_sold_individually === 'yes' ) {
$qty.find( 'input.qty' ).val( '1' ).attr( 'min', '1' ).attr( 'max', '' ).change();
$qty.hide();
} else {
var $qty_input = $qty.find( 'input.qty' ),
qty_val = parseFloat( $qty_input.val() );
if ( isNaN( qty_val ) ) {
qty_val = variation.min_qty;
} else {
qty_val = qty_val > parseFloat( variation.max_qty ) ? variation.max_qty : qty_val;
qty_val = qty_val < parseFloat( variation.min_qty ) ? variation.min_qty : qty_val;
}
$qty_input.attr( 'min', variation.min_qty ).attr( 'max', variation.max_qty ).val( qty_val ).change();
$qty.show();
}
// Enable or disable the add to cart button
if ( ! variation.is_purchasable || ! variation.is_in_stock || ! variation.variation_is_visible ) {
purchasable = false;
}
// Reveal
if ( $.trim( form.$singleVariation.text() ) ) {
form.$singleVariation.slideDown( 200 ).trigger( 'show_variation', [ variation, purchasable ] );
} else {
form.$singleVariation.show().trigger( 'show_variation', [ variation, purchasable ] );
}
};
/**
* Triggered when an attribute field changes.
*/
VariationForm.prototype.onChange = function( event ) {
var form = event.data.variationForm;
form.$form.find( 'input[name="variation_id"], input.variation_id' ).val( '' ).change();
form.$form.find( '.wc-no-matching-variations' ).remove();
if ( form.useAjax ) {
form.$form.trigger( 'check_variations' );
} else {
form.$form.trigger( 'woocommerce_variation_select_change' );
form.$form.trigger( 'check_variations' );
}
// Custom event for when variation selection has been changed
form.$form.trigger( 'woocommerce_variation_has_changed' );
};
/**
* Escape quotes in a string.
* @param {string} string
* @return {string}
*/
VariationForm.prototype.addSlashes = function( string ) {
string = string.replace( /'/g, '\\\'' );
string = string.replace( /"/g, '\\\"' );
return string;
};
/**
* Updates attributes in the DOM to show valid values.
*/
VariationForm.prototype.onUpdateAttributes = function( event ) {
var form = event.data.variationForm,
attributes = form.getChosenAttributes(),
currentAttributes = attributes.data;
if ( form.useAjax ) {
return;
}
// Loop through selects and disable/enable options based on selections.
form.$attributeFields.each( function( index, el ) {
var current_attr_select = $( el ),
current_attr_name = current_attr_select.data( 'attribute_name' ) || current_attr_select.attr( 'name' ),
show_option_none = $( el ).data( 'show_option_none' ),
option_gt_filter = ':gt(0)',
attached_options_count = 0,
new_attr_select = $( '<select/>' ),
selected_attr_val = current_attr_select.val() || '',
selected_attr_val_valid = true;
// Reference options set at first.
if ( ! current_attr_select.data( 'attribute_html' ) ) {
var refSelect = current_attr_select.clone();
refSelect.find( 'option' ).removeAttr( 'disabled attached' ).removeAttr( 'selected' );
// Legacy data attribute.
current_attr_select.data(
'attribute_options',
refSelect.find( 'option' + option_gt_filter ).get()
);
current_attr_select.data( 'attribute_html', refSelect.html() );
}
new_attr_select.html( current_attr_select.data( 'attribute_html' ) );
// The attribute of this select field should not be taken into account when calculating its matching variations:
// The constraints of this attribute are shaped by the values of the other attributes.
var checkAttributes = $.extend( true, {}, currentAttributes );
checkAttributes[ current_attr_name ] = '';
var variations = form.findMatchingVariations( form.variationData, checkAttributes );
// Loop through variations.
for ( var num in variations ) {
if ( typeof( variations[ num ] ) !== 'undefined' ) {
var variationAttributes = variations[ num ].attributes;
for ( var attr_name in variationAttributes ) {
if ( variationAttributes.hasOwnProperty( attr_name ) ) {
var attr_val = variationAttributes[ attr_name ],
variation_active = '';
if ( attr_name === current_attr_name ) {
if ( variations[ num ].variation_is_active ) {
variation_active = 'enabled';
}
if ( attr_val ) {
// Decode entities.
attr_val = $( '<div/>' ).html( attr_val ).text();
// Attach to matching options by value. This is done to compare
// TEXT values rather than any HTML entities.
var $option_elements = new_attr_select.find( 'option' );
if ( $option_elements.length ) {
for (var i = 0, len = $option_elements.length; i < len; i++) {
var $option_element = $( $option_elements[i] ),
option_value = $option_element.val();
if ( attr_val === option_value ) {
$option_element.addClass( 'attached ' + variation_active );
break;
}
}
}
} else {
// Attach all apart from placeholder.
new_attr_select.find( 'option:gt(0)' ).addClass( 'attached ' + variation_active );
}
}
}
}
}
}
// Count available options.
attached_options_count = new_attr_select.find( 'option.attached' ).length;
// Check if current selection is in attached options.
if ( selected_attr_val ) {
selected_attr_val_valid = false;
if ( 0 !== attached_options_count ) {
new_attr_select.find( 'option.attached.enabled' ).each( function() {
var option_value = $( this ).val();
if ( selected_attr_val === option_value ) {
selected_attr_val_valid = true;
return false; // break.
}
});
}
}
// Detach the placeholder if:
// - Valid options exist.
// - The current selection is non-empty.
// - The current selection is valid.
// - Placeholders are not set to be permanently visible.
if ( attached_options_count > 0 && selected_attr_val && selected_attr_val_valid && ( 'no' === show_option_none ) ) {
new_attr_select.find( 'option:first' ).remove();
option_gt_filter = '';
}
// Detach unattached.
new_attr_select.find( 'option' + option_gt_filter + ':not(.attached)' ).remove();
// Finally, copy to DOM and set value.
current_attr_select.html( new_attr_select.html() );
current_attr_select.find( 'option' + option_gt_filter + ':not(.enabled)' ).prop( 'disabled', true );
// Choose selected value.
if ( selected_attr_val ) {
// If the previously selected value is no longer available, fall back to the placeholder (it's going to be there).
if ( selected_attr_val_valid ) {
current_attr_select.val( selected_attr_val );
} else {
current_attr_select.val( '' ).change();
}
} else {
current_attr_select.val( '' ); // No change event to prevent infinite loop.
}
});
// Custom event for when variations have been updated.
form.$form.trigger( 'woocommerce_update_variation_values' );
};
/**
* Get chosen attributes from form.
* @return array
*/
VariationForm.prototype.getChosenAttributes = function() {
var data = {};
var count = 0;
var chosen = 0;
this.$attributeFields.each( function() {
var attribute_name = $( this ).data( 'attribute_name' ) || $( this ).attr( 'name' );
var value = $( this ).val() || '';
if ( value.length > 0 ) {
chosen ++;
}
count ++;
data[ attribute_name ] = value;
});
return {
'count' : count,
'chosenCount': chosen,
'data' : data
};
};
/**
* Find matching variations for attributes.
*/
VariationForm.prototype.findMatchingVariations = function( variations, attributes ) {
var matching = [];
for ( var i = 0; i < variations.length; i++ ) {
var variation = variations[i];
if ( this.isMatch( variation.attributes, attributes ) ) {
matching.push( variation );
}
}
return matching;
};
/**
* See if attributes match.
* @return {Boolean}
*/
VariationForm.prototype.isMatch = function( variation_attributes, attributes ) {
var match = true;
for ( var attr_name in variation_attributes ) {
if ( variation_attributes.hasOwnProperty( attr_name ) ) {
var val1 = variation_attributes[ attr_name ];
var val2 = attributes[ attr_name ];
if ( val1 !== undefined && val2 !== undefined && val1.length !== 0 && val2.length !== 0 && val1 !== val2 ) {
match = false;
}
}
}
return match;
};
/**
* Show or hide the reset link.
*/
VariationForm.prototype.toggleResetLink = function( on ) {
if ( on ) {
if ( this.$resetVariations.css( 'visibility' ) === 'hidden' ) {
this.$resetVariations.css( 'visibility', 'visible' ).hide().fadeIn();
}
} else {
this.$resetVariations.css( 'visibility', 'hidden' );
}
};
/**
* Function to call wc_variation_form on jquery selector.
*/
$.fn.wc_variation_form = function() {
new VariationForm( this );
return this;
};
/**
* Stores the default text for an element so it can be reset later
*/
$.fn.wc_set_content = function( content ) {
if ( undefined === this.attr( 'data-o_content' ) ) {
this.attr( 'data-o_content', this.text() );
}
this.text( content );
};
/**
* Stores the default text for an element so it can be reset later
*/
$.fn.wc_reset_content = function() {
if ( undefined !== this.attr( 'data-o_content' ) ) {
this.text( this.attr( 'data-o_content' ) );
}
};
/**
* Stores a default attribute for an element so it can be reset later
*/
$.fn.wc_set_variation_attr = function( attr, value ) {
if ( undefined === this.attr( 'data-o_' + attr ) ) {
this.attr( 'data-o_' + attr, ( ! this.attr( attr ) ) ? '' : this.attr( attr ) );
}
if ( false === value ) {
this.removeAttr( attr );
} else {
this.attr( attr, value );
}
};
/**
* Reset a default attribute for an element so it can be reset later
*/
$.fn.wc_reset_variation_attr = function( attr ) {
if ( undefined !== this.attr( 'data-o_' + attr ) ) {
this.attr( attr, this.attr( 'data-o_' + attr ) );
}
};
/**
* Reset the slide position if the variation has a different image than the current one
*/
$.fn.wc_maybe_trigger_slide_position_reset = function( variation ) {
var $form = $( this ),
$product = $form.closest( '.product' ),
$product_gallery = $product.find( '.images' ),
reset_slide_position = false,
new_image_id = ( variation && variation.image_id ) ? variation.image_id : '';
if ( $form.attr( 'current-image' ) !== new_image_id ) {
reset_slide_position = true;
}
$form.attr( 'current-image', new_image_id );
if ( reset_slide_position ) {
$product_gallery.trigger( 'woocommerce_gallery_reset_slide_position' );
}
};
/**
* Sets product images for the chosen variation
*/
$.fn.wc_variations_image_update = function( variation ) {
var $form = this,
$product = $form.closest( '.product' ),
$product_gallery = $product.find( '.images' ),
$gallery_nav = $product.find( '.flex-control-nav' ),
$gallery_img = $gallery_nav.find( 'li:eq(0) img' ),
$product_img_wrap = $product_gallery
.find( '.woocommerce-product-gallery__image, .woocommerce-product-gallery__image--placeholder' )
.eq( 0 ),
$product_img = $product_img_wrap.find( '.wp-post-image' ),
$product_link = $product_img_wrap.find( 'a' ).eq( 0 );
if ( variation && variation.image && variation.image.src && variation.image.src.length > 1 ) {
// See if the gallery has an image with the same original src as the image we want to switch to.
var galleryHasImage = $gallery_nav.find( 'li img[data-o_src="' + variation.image.gallery_thumbnail_src + '"]' ).length > 0;
// If the gallery has the image, reset the images. We'll scroll to the correct one.
if ( galleryHasImage ) {
$form.wc_variations_image_reset();
}
// See if gallery has a matching image we can slide to.
var slideToImage = $gallery_nav.find( 'li img[src="' + variation.image.gallery_thumbnail_src + '"]' );
if ( slideToImage.length > 0 ) {
slideToImage.trigger( 'click' );
$form.attr( 'current-image', variation.image_id );
window.setTimeout( function() {
$( window ).trigger( 'resize' );
$product_gallery.trigger( 'woocommerce_gallery_init_zoom' );
}, 20 );
return;
}
$product_img.wc_set_variation_attr( 'src', variation.image.src );
$product_img.wc_set_variation_attr( 'height', variation.image.src_h );
$product_img.wc_set_variation_attr( 'width', variation.image.src_w );
$product_img.wc_set_variation_attr( 'srcset', variation.image.srcset );
$product_img.wc_set_variation_attr( 'sizes', variation.image.sizes );
$product_img.wc_set_variation_attr( 'title', variation.image.title );
$product_img.wc_set_variation_attr( 'data-caption', variation.image.caption );
$product_img.wc_set_variation_attr( 'alt', variation.image.alt );
$product_img.wc_set_variation_attr( 'data-src', variation.image.full_src );
$product_img.wc_set_variation_attr( 'data-large_image', variation.image.full_src );
$product_img.wc_set_variation_attr( 'data-large_image_width', variation.image.full_src_w );
$product_img.wc_set_variation_attr( 'data-large_image_height', variation.image.full_src_h );
$product_img_wrap.wc_set_variation_attr( 'data-thumb', variation.image.src );
$gallery_img.wc_set_variation_attr( 'src', variation.image.gallery_thumbnail_src );
$product_link.wc_set_variation_attr( 'href', variation.image.full_src );
} else {
$form.wc_variations_image_reset();
}
window.setTimeout( function() {
$( window ).trigger( 'resize' );
$form.wc_maybe_trigger_slide_position_reset( variation );
$product_gallery.trigger( 'woocommerce_gallery_init_zoom' );
}, 20 );
};
/**
* Reset main image to defaults.
*/
$.fn.wc_variations_image_reset = function() {
var $form = this,
$product = $form.closest( '.product' ),
$product_gallery = $product.find( '.images' ),
$gallery_nav = $product.find( '.flex-control-nav' ),
$gallery_img = $gallery_nav.find( 'li:eq(0) img' ),
$product_img_wrap = $product_gallery
.find( '.woocommerce-product-gallery__image, .woocommerce-product-gallery__image--placeholder' )
.eq( 0 ),
$product_img = $product_img_wrap.find( '.wp-post-image' ),
$product_link = $product_img_wrap.find( 'a' ).eq( 0 );
$product_img.wc_reset_variation_attr( 'src' );
$product_img.wc_reset_variation_attr( 'width' );
$product_img.wc_reset_variation_attr( 'height' );
$product_img.wc_reset_variation_attr( 'srcset' );
$product_img.wc_reset_variation_attr( 'sizes' );
$product_img.wc_reset_variation_attr( 'title' );
$product_img.wc_reset_variation_attr( 'data-caption' );
$product_img.wc_reset_variation_attr( 'alt' );
$product_img.wc_reset_variation_attr( 'data-src' );
$product_img.wc_reset_variation_attr( 'data-large_image' );
$product_img.wc_reset_variation_attr( 'data-large_image_width' );
$product_img.wc_reset_variation_attr( 'data-large_image_height' );
$product_img_wrap.wc_reset_variation_attr( 'data-thumb' );
$gallery_img.wc_reset_variation_attr( 'src' );
$product_link.wc_reset_variation_attr( 'href' );
};
$(function() {
if ( typeof wc_add_to_cart_variation_params !== 'undefined' ) {
$( '.variations_form' ).each( function() {
$( this ).wc_variation_form();
});
}
});
/**
* Matches inline variation objects to chosen attributes
* @deprecated 2.6.9
* @type {Object}
*/
var wc_variation_form_matcher = {
find_matching_variations: function( product_variations, settings ) {
var matching = [];
for ( var i = 0; i < product_variations.length; i++ ) {
var variation = product_variations[i];
if ( wc_variation_form_matcher.variations_match( variation.attributes, settings ) ) {
matching.push( variation );
}
}
return matching;
},
variations_match: function( attrs1, attrs2 ) {
var match = true;
for ( var attr_name in attrs1 ) {
if ( attrs1.hasOwnProperty( attr_name ) ) {
var val1 = attrs1[ attr_name ];
var val2 = attrs2[ attr_name ];
if ( val1 !== undefined && val2 !== undefined && val1.length !== 0 && val2.length !== 0 && val1 !== val2 ) {
match = false;
}
}
}
return match;
}
};
/**
* Avoids using wp.template where possible in order to be CSP compliant.
* wp.template uses internally eval().
* @param {string} templateId
* @return {Function}
*/
var wp_template = function( templateId ) {
var html = document.getElementById( 'tmpl-' + templateId ).textContent;
var hard = false;
// any <# #> interpolate (evaluate).
hard = hard || /<#\s?data\./.test( html );
// any data that is NOT data.variation.
hard = hard || /{{{?\s?data\.(?!variation\.).+}}}?/.test( html );
// any data access deeper than 1 level e.g.
// data.variation.object.item
// data.variation.object['item']
// data.variation.array[0]
hard = hard || /{{{?\s?data\.variation\.[\w-]*[^\s}]/.test ( html );
if ( hard ) {
return wp.template( templateId );
}
return function template ( data ) {
var variation = data.variation || {};
return html.replace( /({{{?)\s?data\.variation\.([\w-]*)\s?(}}}?)/g, function( _, open, key, close ) {
// Error in the format, ignore.
if ( open.length !== close.length ) {
return '';
}
var replacement = variation[ key ] || '';
// {{{ }}} => interpolate (unescaped).
// {{ }} => interpolate (escaped).
// https://codex.wordpress.org/Javascript_Reference/wp.template
if ( open.length === 2 ) {
return window.escape( replacement );
}
return replacement;
});
};
};
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