✏️ Editing: tab-check.js

/* global redux */
// noinspection JSUnresolvedReference

(function ( $ ) {
	'use strict';

$.redux = $.redux || {};

$.redux.tabCheck = function () {
		let link;
		let tab;
		let sTab;
		let cookieName;
		let opt_name;

$( '.redux-group-tab-link-a' ).on(
			'click',
			function () {
				let elements;
				let index;
				let el;
				let relid;
				let oldid;
				let cookieName;
				let boxIndex;
				let parentID;
				let newParent;

link = $( this );

if ( link.parent().hasClass( 'empty_section' ) && link.parent().hasClass( 'hasSubSections' ) ) {
					elements = $( this ).closest( 'ul' ).find( '.redux-group-tab-link-a' );
					index    = elements.index( this );

link = elements.slice( index + 1, index + 2 );
				}

el       = link.parents( '.redux-container:first' );
				relid    = link.data( 'rel' ); // The group ID of interest.
				oldid    = el.find( '.redux-group-tab-link-li.active:first .redux-group-tab-link-a' ).data( 'rel' );
				opt_name = $.redux.getOptName( el );

if ( oldid === relid ) {
					return;
				}

cookieName = '';

if ( ! link.parents( '.postbox-container:first' ).length ) {
					$( '#currentSection' ).val( relid );

cookieName = 'redux_current_tab_' + redux.optName.args.opt_name;
				} else {
					el.prev( '#currentSection' ).val( relid );

boxIndex = el.data( 'index' );

if ( '' !== boxIndex ) {
						cookieName = 'redux_metabox_' + boxIndex + '_current_tab_' + redux.optName.args.opt_name;
					}
				}

// Set the proper page cookie.
				$.cookie(
					cookieName,
					relid,
					{
						expires: 7,
						path: '/'
					}
				);

if ( el.find( '#' + relid + '_section_group_li' ).parents( '.redux-group-tab-link-li' ).length ) {
					parentID = el.find( '#' + relid + '_section_group_li' ).parents( '.redux-group-tab-link-li' ).attr( 'id' ).split( '_' );
					parentID = parentID[0];
				}

el.find( '#toplevel_page_' + redux.optName.args.slug + ' .wp-submenu a.current' ).removeClass( 'current' );
				el.find( '#toplevel_page_' + redux.optName.args.slug + ' .wp-submenu li.current' ).removeClass( 'current' );

el.find( '#toplevel_page_' + redux.optName.args.slug + ' .wp-submenu a' ).each(
					function () {
						const url = $( this ).attr( 'href' ).split( '&tab=' );

if ( url[1] === relid || url[1] === parentID ) {
							$( this ).addClass( 'current' );
							$( this ).parent().addClass( 'current' );
						}
					}
				);

if ( el.find( '#' + oldid + '_section_group_li' ).find( '#' + oldid + '_section_group_li' ).length ) {
					el.find( '#' + oldid + '_section_group_li' ).addClass( 'activeChild' );
					el.find( '#' + relid + '_section_group_li' ).addClass( 'active' ).removeClass( 'activeChild' );
				} else if ( el.find( '#' + relid + '_section_group_li' ).parents( '#' + oldid + '_section_group_li' ).length || el.find( '#' + oldid + '_section_group_li' ).parents( 'ul.subsection' ).find( '#' + relid + '_section_group_li' ).length ) {
					if ( el.find( '#' + relid + '_section_group_li' ).parents( '#' + oldid + '_section_group_li' ).length ) {
						el.find( '#' + oldid + '_section_group_li' ).addClass( 'activeChild' ).removeClass( 'active' );
					} else {
						el.find( '#' + relid + '_section_group_li' ).addClass( 'active' );
						el.find( '#' + oldid + '_section_group_li' ).removeClass( 'active' );
					}
					el.find( '#' + relid + '_section_group_li' ).removeClass( 'activeChild' ).addClass( 'active' );
				} else {
					setTimeout(
						function () {
							el.find( '#' + relid + '_section_group_li' ).addClass( 'active' ).removeClass( 'activeChild' ).find( 'ul.subsection' ).slideDown();
						},
						1
					);

if ( el.find( '#' + oldid + '_section_group_li' ).find( 'ul.subsection' ).length ) {
						el.find( '#' + oldid + '_section_group_li' ).find( 'ul.subsection' ).slideUp(
							'fast',
							function () {
								el.find( '#' + oldid + '_section_group_li' ).removeClass( 'active' ).removeClass( 'activeChild' );
							}
						);

newParent = el.find( '#' + relid + '_section_group_li' ).parents( '.hasSubSections:first' );

if ( newParent.length > 0 ) {
							el.find( '#' + relid + '_section_group_li' ).removeClass( 'active' );
							relid = newParent.find( '.redux-group-tab-link-a:first' ).data( 'rel' );

if ( newParent.hasClass( 'empty_section' ) ) {
								newParent.find( '.subsection li:first' ).addClass( 'active' );
								el.find( '#' + relid + '_section_group_li' ).removeClass( 'active' ).addClass( 'activeChild' ).find( 'ul.subsection' ).slideDown();
								newParent = newParent.find( '.subsection li:first' );
								relid     = newParent.find( '.redux-group-tab-link-a:first' ).data( 'rel' );
							} else {
								el.find( '#' + relid + '_section_group_li' ).addClass( 'active' ).removeClass( 'activeChild' ).find( 'ul.subsection' ).slideDown();
							}
						}
					} else if ( el.find( '#' + oldid + '_section_group_li' ).parents( 'ul.subsection' ).length ) {
						if ( ! el.find( '#' + oldid + '_section_group_li' ).parents( '#' + relid + '_section_group_li' ).length ) {
							el.find( '#' + oldid + '_section_group_li' ).parents( 'ul.subsection' ).slideUp(
								'fast',
								function () {
									el.find( '#' + oldid + '_section_group_li' ).removeClass( 'active' );
									el.find( '#' + oldid + '_section_group_li' ).parents( '.redux-group-tab-link-li' ).removeClass( 'active' ).removeClass( 'activeChild' );
									el.find( '#' + relid + '_section_group_li' ).parents( '.redux-group-tab-link-li' ).addClass( 'activeChild' ).find( 'ul.subsection' ).slideDown();
									el.find( '#' + relid + '_section_group_li' ).addClass( 'active' );
								}
							);
						} else {
							el.find( '#' + oldid + '_section_group_li' ).removeClass( 'active' );
						}
					} else {
						el.find( '#' + oldid + '_section_group_li' ).removeClass( 'active' );

if ( el.find( '#' + relid + '_section_group_li' ).parents( '.redux-group-tab-link-li' ).length ) {
							setTimeout(
								function () {
									el.find( '#' + relid + '_section_group_li' ).parents( '.redux-group-tab-link-li' ).addClass( 'activeChild' ).find( 'ul.subsection' ).slideDown();
								},
								50
							);

el.find( '#' + relid + '_section_group_li' ).addClass( 'active' );
						}
					}
				}

// Show the group.
				el.find( '#' + oldid + '_section_group' ).hide();

el.find( '#' + relid + '_section_group' ).fadeIn(
					200,
					function () {
						if ( 0 !== el.find( '#redux-footer' ).length ) {
							$.redux.stickyInfo(); // Race condition fix.
						}

$.redux.initFields();
					}
				);

$( '#toplevel_page_' + redux.optName.args.slug ).find( '.current' ).removeClass( 'current' );
			}
		);

if ( undefined !== redux.optName.last_tab ) {
			$( '#' + redux.optName.last_tab + '_section_group_li_a' ).trigger( 'click' );

return;
		}

tab = decodeURI( ( new RegExp( 'tab=(.+?)(&|$)' ).exec( location.search ) || [''])[1] );

if ( '' !== tab ) {
			if ( $.cookie( 'redux_current_tab_get' ) !== tab ) {
				$.cookie(
					'redux_current_tab',
					tab,
					{
						expires: 7,
						path: '/'
					}
				);

$.cookie(
					'redux_current_tab_get',
					tab,
					{
						expires: 7,
						path: '/'
					}
				);

$.cookie(
					'redux_current_tab_' + redux.optName.args.opt_name,
					tab,
					{
						expires: 7,
						path: '/'
					}
				);

$( '#' + tab + '_section_group_li' ).trigger( 'click' );
			}
		} else if ( '' !== $.cookie( 'redux_current_tab_get' ) ) {
			$.removeCookie( 'redux_current_tab_get' );
		}

$( '.redux-container' ).each(
			function () {
				let boxIndex;

if ( ! $( this ).parents( '.postbox-container:first' ).length ) {
					opt_name = $( '.redux-ajax-security' ).data( 'opt-name' );

cookieName = 'redux_current_tab_' + opt_name;

sTab = $( this ).find( '#' + $.cookie( cookieName ) + '_section_group_li_a' );
				} else {
					opt_name = $.redux.getOptName( this );

boxIndex = $( this ).data( 'index' );

if ( '' === boxIndex ) {
						boxIndex = 0;
					}

cookieName = 'redux_metabox_' + boxIndex + '_current_tab_' + opt_name;

sTab = $( this ).find( '#' + $.cookie( cookieName ) + '_section_group_li_a' );
				}

// Tab the first item or the saved one.
				if ( null === $.cookie( cookieName ) || 'undefined' === typeof ( $.cookie( cookieName ) ) || 0 === sTab.length ) {
					$( this ).find( '.redux-group-tab-link-a:first' ).trigger( 'click' );
				} else {
					sTab.trigger( 'click' );
				}
			}
		);
	};
})( jQuery );

Sid Gifari From Gifari Industries - BD Cyber Security Team