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// Shoptimizer ajax add to cart js.

document.addEventListener( 'DOMContentLoaded', function() {
	var cart_forms = document.querySelectorAll( '.summary form.cart' );
	cart_forms.forEach( function( cart_form ) {
		cart_form.addEventListener( 'submit', function( event ) {
			var parent_elem = cart_form.closest( '.product.type-product' );
			if ( ! parent_elem ) {
				return;
			}
			if ( parent_elem.classList.contains( 'product-type-external' ) || parent_elem.classList.contains( 'product-type-subscription' ) || parent_elem.classList.contains( 'product-type-variable-subscription' ) || parent_elem.classList.contains( 'product-type-grouped' ) || parent_elem.classList.contains( 'product-type-mix-and-match' ) ) {
				return;
			}
			event.preventDefault();

			var atc_elem = cart_form.querySelector( '.single_add_to_cart_button' );
			var formData = new FormData( cart_form );
			formData.append( 'action', 'shoptimizer_pdp_ajax_atc' );
			if ( atc_elem.value ) {
				formData.append( 'add-to-cart', atc_elem.value );
			}
			atc_elem.classList.remove( 'added' );
			atc_elem.classList.remove( 'not-added' );
			atc_elem.classList.add( 'loading' );

			var wce_add_cart = new Event( 'adding_to_cart' );
			document.body.dispatchEvent( wce_add_cart );

			fetch( shoptimizer_ajax_obj.ajaxurl, {
				method: 'POST',
				body: formData
			} ).then( resp => resp.json() ).then( resp => {
				if ( ! resp ) {
					return;
				}
				var cur_page = window.location.toString();
				cur_page = cur_page.replace( 'add-to-cart', 'added-to-cart' );
				if ( resp.error && resp.product_url ) {
					window.location = resp.product_url;
					return;
				}
				atc_elem.classList.remove( 'loading' );

				if ( 0 < resp.notices.indexOf( 'error' ) ) {
					document.body.insertAdjacentHTML( 'beforeend', resp.notices );
					atc_elem.classList.add( 'not-added' );
				} else {
					atc_elem.classList.add( 'added' );
					document.querySelector( 'body' ).classList.toggle( 'drawer-open' );
					if ( jQuery ) {
						jQuery( document.body ).trigger( 'added_to_cart', [ resp.fragments, resp.cart_hash, jQuery( atc_elem ) ] );
					} else {
						var wc_fragment = new Event( 'wc_fragment_refresh' );
						document.body.dispatchEvent( wc_fragment );
					}
				}
			} );
		} );
	} );
} );