function wc_get_account_menu_item_classes( $endpoint ) {
	global $wp;

	$classes = array(
		'woocommerce-MyAccount-navigation-link',
		'woocommerce-MyAccount-navigation-link--' . $endpoint,
	);

	// Set current item class.
	$current = isset( $wp->query_vars[ $endpoint ] );
	if ( 'dashboard' === $endpoint && ( isset( $wp->query_vars['page'] ) || empty( $wp->query_vars ) ) ) {
		$current = true; // Dashboard is not an endpoint, so needs a custom check.
	} elseif ( 'orders' === $endpoint && isset( $wp->query_vars['view-order'] ) ) {
		$current = true; // When looking at individual order, highlight Orders list item (to signify where in the menu the user currently is).
	} elseif ( 'payment-methods' === $endpoint && isset( $wp->query_vars['add-payment-method'] ) ) {
		$current = true;
	}

	if ( $current ) {
		$classes[] = 'is-active';
	}

	$classes = apply_filters( 'woocommerce_account_menu_item_classes', $classes, $endpoint );

	return implode( ' ', array_map( 'sanitize_html_class', $classes ) );
}