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Mini Shell
Mini Shell
/* global wc_cart_params */
jQuery( function ( $ ) {
// wc_cart_params is required to continue, ensure the object exists
if ( typeof wc_cart_params === 'undefined' ) {
return false;
}
// Utility functions for the file.
/**
* Gets a url for a given AJAX endpoint.
*
* @param {String} endpoint The AJAX Endpoint
* @return {String} The URL to use for the request
*/
var get_url = function ( endpoint ) {
return wc_cart_params.wc_ajax_url
.toString()
.replace( '%%endpoint%%', endpoint );
};
/**
* Check if a node is blocked for processing.
*
* @param {JQuery Object} $node
* @return {bool} True if the DOM Element is UI Blocked, false if not.
*/
var is_blocked = function ( $node ) {
return (
$node.is( '.processing' ) || $node.parents( '.processing' ).length
);
};
/**
* Block a node visually for processing.
*
* @param {JQuery Object} $node
*/
var block = function ( $node ) {
if ( ! is_blocked( $node ) ) {
$node.addClass( 'processing' ).block( {
message: null,
overlayCSS: {
background: '#fff',
opacity: 0.6,
},
} );
}
};
/**
* Unblock a node after processing is complete.
*
* @param {JQuery Object} $node
*/
var unblock = function ( $node ) {
$node.removeClass( 'processing' ).unblock();
};
/**
* Removes duplicate notices.
*
* @param {JQuery Object} $notices
*/
var remove_duplicate_notices = function ( $notices ) {
var seen = new Set();
var deduplicated_notices = [];
$notices.each( function () {
const text = $( this ).text();
if ( ! seen.has( text ) ) {
seen.add( text );
deduplicated_notices.push( this );
}
} );
return $( deduplicated_notices );
};
/**
* Update the .woocommerce div with a string of html.
*
* @param {String} html_str The HTML string with which to replace the div.
* @param {bool} preserve_notices Should notices be kept? False by default.
*/
var update_wc_div = function ( html_str, preserve_notices ) {
var $html = $.parseHTML( html_str );
var $new_form = $( '.woocommerce-cart-form', $html );
var $new_totals = $( '.cart_totals', $html );
var $notices = remove_duplicate_notices(
$(
'.woocommerce-error, .woocommerce-message, .woocommerce-info, .is-error, .is-info, .is-success',
$html
)
);
// No form, cannot do this.
if ( $( '.woocommerce-cart-form' ).length === 0 ) {
window.location.reload();
return;
}
// Remove errors
if ( ! preserve_notices ) {
$(
'.woocommerce-error, .woocommerce-message, .woocommerce-info, .is-error, .is-info, .is-success, .coupon-error-notice'
).remove();
}
if ( $new_form.length === 0 ) {
// If the checkout is also displayed on this page, trigger reload instead.
if ( $( '.woocommerce-checkout' ).length ) {
window.location.reload();
return;
}
// No items to display now! Replace all cart content.
var $cart_html = $( '.wc-empty-cart-message', $html ).closest(
'.woocommerce'
);
$( '.woocommerce-cart-form__contents' )
.closest( '.woocommerce' )
.replaceWith( $cart_html );
// Display errors
if ( $notices.length > 0 ) {
show_notice( $notices );
}
// Notify plugins that the cart was emptied.
$( document.body ).trigger( 'wc_cart_emptied' );
} else {
// If the checkout is also displayed on this page, trigger update event.
if ( $( '.woocommerce-checkout' ).length ) {
$( document.body ).trigger( 'update_checkout' );
}
// Store the old coupon error message and value before the
// .woocommerce-cart-form is replaced with the new form.
var $old_coupon_field_val = $( '#coupon_code' ).val();
var $old_coupon_error_msg = $( '#coupon_code' )
.closest( '.coupon' )
.find( '.coupon-error-notice' );
$( '.woocommerce-cart-form' ).replaceWith( $new_form );
$( '.woocommerce-cart-form' )
.find( ':input[name="update_cart"]' )
.prop( 'disabled', true );
if ( preserve_notices && $old_coupon_error_msg.length > 0 ) {
var $new_coupon_field = $( '.woocommerce-cart-form' ).find( '#coupon_code' );
var $new_coupon_field_wrapper = $new_coupon_field.closest( '.coupon' );
$new_coupon_field.val( $old_coupon_field_val );
// The coupon input with error needs to be focused before adding the live region
// with the error message, otherwise the screen reader won't read it.
$new_coupon_field.focus();
show_coupon_error( $old_coupon_error_msg, $new_coupon_field_wrapper, true );
}
if ( $notices.length > 0 ) {
show_notice( $notices );
}
update_cart_totals_div( $new_totals );
}
$( document.body ).trigger( 'updated_wc_div' );
};
/**
* Update the .cart_totals div with a string of html.
*
* @param {String} html_str The HTML string with which to replace the div.
*/
var update_cart_totals_div = function ( html_str ) {
$( '.cart_totals' ).replaceWith( html_str );
$( document.body ).trigger( 'updated_cart_totals' );
};
/**
* Shows new notices on the page.
*
* @param {Object} The Notice HTML Element in string or object form.
*/
var show_notice = function ( html_element, $target ) {
if ( ! $target ) {
$target =
$( '.woocommerce-notices-wrapper:first' ) ||
$( '.wc-empty-cart-message' ).closest( '.woocommerce' ) ||
$( '.woocommerce-cart-form' );
}
$target.prepend( html_element );
};
/**
* Shows coupon form errors.
*
* @param {string|object} html_element The HTML string response after applying an invalid coupon or a jQuery element.
* @param {Object} $target Coupon field wrapper jQuery element.
* @param {boolean} is_live_region Whether role="alert" should be added or not.
*/
var show_coupon_error = function ( html_element, $target, is_live_region ) {
if ( $target.length === 0 ) {
return;
}
var $coupon_error_el = '';
if ( typeof html_element === 'string' ) {
var msg = $( $.parseHTML( html_element ) ).text().trim();
if ( msg === '' ) {
return;
}
$coupon_error_el = $( '<p class="coupon-error-notice" id="coupon-error-notice">' + msg + '</p>' );
} else {
$coupon_error_el = html_element;
}
if ( is_live_region ) {
$coupon_error_el.attr( 'role', 'alert' );
}
$target.find( '#coupon_code' )
.addClass( 'has-error' )
.attr( 'aria-invalid', 'true' )
.attr( 'aria-describedby', 'coupon-error-notice' );
$target.append( $coupon_error_el );
};
/**
* Object to handle AJAX calls for cart shipping changes.
*/
var cart_shipping = {
/**
* Initialize event handlers and UI state.
*/
init: function ( cart ) {
this.cart = cart;
this.toggle_shipping = this.toggle_shipping.bind( this );
this.shipping_method_selected =
this.shipping_method_selected.bind( this );
this.shipping_calculator_submit =
this.shipping_calculator_submit.bind( this );
$( document ).on(
'click',
'.shipping-calculator-button',
this.toggle_shipping
);
$( document ).on(
'change',
'select.shipping_method, :input[name^=shipping_method]',
this.shipping_method_selected
);
$( document ).on(
'submit',
'form.woocommerce-shipping-calculator',
this.shipping_calculator_submit
);
$( '.shipping-calculator-form' ).hide();
},
/**
* Toggle Shipping Calculator panel
*/
toggle_shipping: function () {
$( '.shipping-calculator-form' ).slideToggle( 'slow' );
$( 'select.country_to_state, input.country_to_state' ).trigger(
'change'
);
$( document.body ).trigger( 'country_to_state_changed' ); // Trigger select2 to load.
return false;
},
/**
* Handles when a shipping method is selected.
*/
shipping_method_selected: function ( event ) {
var shipping_methods = {};
// eslint-disable-next-line max-len
$(
'select.shipping_method, :input[name^=shipping_method][type=radio]:checked, :input[name^=shipping_method][type=hidden]'
).each( function () {
shipping_methods[ $( this ).data( 'index' ) ] = $( this ).val();
} );
block( $( 'div.cart_totals' ) );
var data = {
security: wc_cart_params.update_shipping_method_nonce,
shipping_method: shipping_methods,
};
$.ajax( {
type: 'post',
url: get_url( 'update_shipping_method' ),
data: data,
dataType: 'html',
success: function ( response ) {
update_cart_totals_div( response );
var newCurrentTarget = document.getElementById( event.currentTarget.id );
if ( newCurrentTarget ) {
newCurrentTarget.focus();
}
},
complete: function () {
unblock( $( 'div.cart_totals' ) );
$( document.body ).trigger( 'updated_shipping_method' );
},
} );
},
/**
* Handles a shipping calculator form submit.
*
* @param {Object} evt The JQuery event.
*/
shipping_calculator_submit: function ( evt ) {
evt.preventDefault();
var $form = $( evt.currentTarget );
block( $( 'div.cart_totals' ) );
block( $form );
// Provide the submit button value because wc-form-handler expects it.
$( '<input />' )
.attr( 'type', 'hidden' )
.attr( 'name', 'calc_shipping' )
.attr( 'value', 'x' )
.appendTo( $form );
// Make call to actual form post URL.
$.ajax( {
type: $form.attr( 'method' ),
url: $form.attr( 'action' ),
data: $form.serialize(),
dataType: 'html',
success: function ( response ) {
update_wc_div( response );
},
complete: function () {
unblock( $form );
unblock( $( 'div.cart_totals' ) );
},
} );
},
};
/**
* Object to handle cart UI.
*/
var cart = {
/**
* Initialize cart UI events.
*/
init: function () {
this.update_cart_totals = this.update_cart_totals.bind( this );
this.input_keypress = this.input_keypress.bind( this );
this.cart_submit = this.cart_submit.bind( this );
this.submit_click = this.submit_click.bind( this );
this.apply_coupon = this.apply_coupon.bind( this );
this.remove_coupon_clicked =
this.remove_coupon_clicked.bind( this );
this.remove_coupon_error = this.remove_coupon_error.bind( this );
this.quantity_update = this.quantity_update.bind( this );
this.item_remove_clicked = this.item_remove_clicked.bind( this );
this.item_restore_clicked = this.item_restore_clicked.bind( this );
this.update_cart = this.update_cart.bind( this );
$( document ).on( 'wc_update_cart added_to_cart', function () {
cart.update_cart.apply( cart, [].slice.call( arguments, 1 ) );
} );
$( document ).on(
'click',
'.woocommerce-cart-form :input[type=submit]',
this.submit_click
);
$( document ).on(
'keypress',
'.woocommerce-cart-form :input[type=number]',
this.input_keypress
);
$( document ).on(
'submit',
'.woocommerce-cart-form',
this.cart_submit
);
$( document ).on(
'click',
'a.woocommerce-remove-coupon',
this.remove_coupon_clicked
);
$( document ).on(
'click',
'.woocommerce-cart-form .product-remove > a',
this.item_remove_clicked
);
$( document ).on(
'click',
'.woocommerce-cart .restore-item',
this.item_restore_clicked
);
$( document ).on(
'change input',
'.woocommerce-cart-form .cart_item :input',
this.input_changed
);
$( document ).on(
'blur change input',
'#coupon_code',
this.remove_coupon_error
);
$( '.woocommerce-cart-form :input[name="update_cart"]' ).prop(
'disabled',
true
);
},
/**
* After an input is changed, enable the update cart button.
*/
input_changed: function () {
$( '.woocommerce-cart-form :input[name="update_cart"]' ).prop(
'disabled',
false
);
},
/**
* Update entire cart via ajax.
*/
update_cart: function ( preserve_notices ) {
var $form = $( '.woocommerce-cart-form' );
block( $form );
block( $( 'div.cart_totals' ) );
// Make call to actual form post URL.
$.ajax( {
type: $form.attr( 'method' ),
url: $form.attr( 'action' ),
data: $form.serialize(),
dataType: 'html',
success: function ( response ) {
update_wc_div( response, preserve_notices );
},
complete: function () {
unblock( $form );
unblock( $( 'div.cart_totals' ) );
$.scroll_to_notices( $( '[role="alert"]' ) );
},
} );
},
/**
* Update the cart after something has changed.
*/
update_cart_totals: function () {
block( $( 'div.cart_totals' ) );
$.ajax( {
url: get_url( 'get_cart_totals' ),
dataType: 'html',
success: function ( response ) {
update_cart_totals_div( response );
},
complete: function () {
unblock( $( 'div.cart_totals' ) );
},
} );
},
/**
* Handle the <ENTER> key for quantity fields.
*
* @param {Object} evt The JQuery event
*
* For IE, if you hit enter on a quantity field, it makes the
* document.activeElement the first submit button it finds.
* For us, that is the Apply Coupon button. This is required
* to catch the event before that happens.
*/
input_keypress: function ( evt ) {
// Catch the enter key and don't let it submit the form.
if ( 13 === evt.keyCode ) {
var $form = $( evt.currentTarget ).parents( 'form' );
try {
// If there are no validation errors, handle the submit.
if ( $form[ 0 ].checkValidity() ) {
evt.preventDefault();
this.cart_submit( evt );
}
} catch ( err ) {
evt.preventDefault();
this.cart_submit( evt );
}
}
},
/**
* Handle cart form submit and route to correct logic.
*
* @param {Object} evt The JQuery event
*/
cart_submit: function ( evt ) {
var $submit = $( document.activeElement ),
$clicked = $( ':input[type=submit][clicked=true]' ),
$form = $( evt.currentTarget );
// For submit events, currentTarget is form.
// For keypress events, currentTarget is input.
if ( ! $form.is( 'form' ) ) {
$form = $( evt.currentTarget ).parents( 'form' );
}
if (
0 === $form.find( '.woocommerce-cart-form__contents' ).length
) {
return;
}
if ( is_blocked( $form ) ) {
return false;
}
if (
$clicked.is( ':input[name="update_cart"]' ) ||
$submit.is( 'input.qty' )
) {
evt.preventDefault();
this.quantity_update( $form );
} else if (
$clicked.is( ':input[name="apply_coupon"]' ) ||
$submit.is( '#coupon_code' )
) {
evt.preventDefault();
this.apply_coupon( $form );
}
},
/**
* Special handling to identify which submit button was clicked.
*
* @param {Object} evt The JQuery event
*/
submit_click: function ( evt ) {
$(
':input[type=submit]',
$( evt.target ).parents( 'form' )
).removeAttr( 'clicked' );
$( evt.target ).attr( 'clicked', 'true' );
},
/**
* Apply Coupon code
*
* @param {JQuery Object} $form The cart form.
*/
apply_coupon: function ( $form ) {
block( $form );
var cart = this;
var $text_field = $( '#coupon_code' );
var coupon_code = $text_field.val();
var data = {
security: wc_cart_params.apply_coupon_nonce,
coupon_code: coupon_code,
};
$.ajax( {
type: 'POST',
url: get_url( 'apply_coupon' ),
data: data,
dataType: 'html',
success: function ( response ) {
$(
'.woocommerce-error, .woocommerce-message, .woocommerce-info, ' +
'.is-error, .is-info, .is-success, .coupon-error-notice'
).remove();
// We only want to show coupon notices if they are not errors.
// Coupon errors are shown under the input.
if ( response.indexOf( 'woocommerce-error' ) === -1 && response.indexOf( 'is-error' ) === -1 ) {
show_notice( response );
} else {
var $coupon_wrapper = $text_field.closest( '.coupon' );
if ( $coupon_wrapper.length > 0 ) {
show_coupon_error( response, $coupon_wrapper, false );
}
}
$( document.body ).trigger( 'applied_coupon', [
coupon_code,
] );
},
complete: function () {
unblock( $form );
cart.update_cart( true );
},
} );
},
/**
* Handle when a remove coupon link is clicked.
*
* @param {Object} evt The JQuery event
*/
remove_coupon_clicked: function ( evt ) {
evt.preventDefault();
var cart = this;
var $wrapper = $( evt.currentTarget ).closest( '.cart_totals' );
var coupon = $( evt.currentTarget ).attr( 'data-coupon' );
block( $wrapper );
var data = {
security: wc_cart_params.remove_coupon_nonce,
coupon: coupon,
};
$.ajax( {
type: 'POST',
url: get_url( 'remove_coupon' ),
data: data,
dataType: 'html',
success: function ( response ) {
$(
'.woocommerce-error, .woocommerce-message, .woocommerce-info, .is-error, .is-info, .is-success'
).remove();
show_notice( response );
$( document.body ).trigger( 'removed_coupon', [ coupon ] );
unblock( $wrapper );
},
complete: function () {
cart.update_cart( true );
},
} );
},
/**
* Handle when the coupon input loses focus.
*
* @param {Object} evt The JQuery event
*/
remove_coupon_error: function ( evt ) {
$( evt.currentTarget )
.removeClass( 'has-error' )
.removeAttr( 'aria-invalid' )
.removeAttr( 'aria-describedby' )
.closest( '.coupon' )
.find( '.coupon-error-notice' )
.remove();
},
/**
* Handle a cart Quantity Update
*
* @param {JQuery Object} $form The cart form.
*/
quantity_update: function ( $form ) {
block( $form );
block( $( 'div.cart_totals' ) );
// Provide the submit button value because wc-form-handler expects it.
$( '<input />' )
.attr( 'type', 'hidden' )
.attr( 'name', 'update_cart' )
.attr( 'value', 'Update Cart' )
.appendTo( $form );
// Make call to actual form post URL.
$.ajax( {
type: $form.attr( 'method' ),
url: $form.attr( 'action' ),
data: $form.serialize(),
dataType: 'html',
success: function ( response ) {
update_wc_div( response );
},
complete: function () {
unblock( $form );
unblock( $( 'div.cart_totals' ) );
$.scroll_to_notices( $( '[role="alert"]' ) );
},
} );
},
/**
* Handle when a remove item link is clicked.
*
* @param {Object} evt The JQuery event
*/
item_remove_clicked: function ( evt ) {
evt.preventDefault();
var $a = $( evt.currentTarget );
var $form = $a.parents( 'form' );
block( $form );
block( $( 'div.cart_totals' ) );
$.ajax( {
type: 'GET',
url: $a.attr( 'href' ),
dataType: 'html',
success: function ( response ) {
update_wc_div( response );
},
complete: function () {
unblock( $form );
unblock( $( 'div.cart_totals' ) );
$.scroll_to_notices( $( '[role="alert"]' ) );
},
} );
},
/**
* Handle when a restore item link is clicked.
*
* @param {Object} evt The JQuery event
*/
item_restore_clicked: function ( evt ) {
evt.preventDefault();
var $a = $( evt.currentTarget );
var $form = $( 'form.woocommerce-cart-form' );
block( $form );
block( $( 'div.cart_totals' ) );
$.ajax( {
type: 'GET',
url: $a.attr( 'href' ),
dataType: 'html',
success: function ( response ) {
update_wc_div( response );
},
complete: function () {
unblock( $form );
unblock( $( 'div.cart_totals' ) );
},
} );
},
};
cart_shipping.init( cart );
cart.init();
} );
Zerion Mini Shell 1.0