/*!
  * Bootstrap tab.js v5.3.6 (https://getbootstrap.com/)
  * Copyright 2011-2025 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
  */
(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./base-component.js'), require('./dom/event-handler.js'), require('./dom/selector-engine.js'), require('./util/index.js')) :
  typeof define === 'function' && define.amd ? define(['./base-component', './dom/event-handler', './dom/selector-engine', './util/index'], factory) :
  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Tab = factory(global.BaseComponent, global.EventHandler, global.SelectorEngine, global.Index));
})(this, (function (BaseComponent, EventHandler, SelectorEngine, index_js) { 'use strict';

  /**
   * --------------------------------------------------------------------------
   * Bootstrap tab.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   * --------------------------------------------------------------------------
   */


  /**
   * Constants
   */

  const NAME = 'tab';
  const DATA_KEY = 'bs.tab';
  const EVENT_KEY = `.${DATA_KEY}`;
  const EVENT_HIDE = `hide${EVENT_KEY}`;
  const EVENT_HIDDEN = `hidden${EVENT_KEY}`;
  const EVENT_SHOW = `show${EVENT_KEY}`;
  const EVENT_SHOWN = `shown${EVENT_KEY}`;
  const EVENT_CLICK_DATA_API = `click${EVENT_KEY}`;
  const EVENT_KEYDOWN = `keydown${EVENT_KEY}`;
  const EVENT_LOAD_DATA_API = `load${EVENT_KEY}`;
  const ARROW_LEFT_KEY = 'ArrowLeft';
  const ARROW_RIGHT_KEY = 'ArrowRight';
  const ARROW_UP_KEY = 'ArrowUp';
  const ARROW_DOWN_KEY = 'ArrowDown';
  const HOME_KEY = 'Home';
  const END_KEY = 'End';
  const CLASS_NAME_ACTIVE = 'active';
  const CLASS_NAME_FADE = 'fade';
  const CLASS_NAME_SHOW = 'show';
  const CLASS_DROPDOWN = 'dropdown';
  const SELECTOR_DROPDOWN_TOGGLE = '.dropdown-toggle';
  const SELECTOR_DROPDOWN_MENU = '.dropdown-menu';
  const NOT_SELECTOR_DROPDOWN_TOGGLE = `:not(${SELECTOR_DROPDOWN_TOGGLE})`;
  const SELECTOR_TAB_PANEL = '.list-group, .nav, [role="tablist"]';
  const SELECTOR_OUTER = '.nav-item, .list-group-item';
  const SELECTOR_INNER = `.nav-link${NOT_SELECTOR_DROPDOWN_TOGGLE}, .list-group-item${NOT_SELECTOR_DROPDOWN_TOGGLE}, [role="tab"]${NOT_SELECTOR_DROPDOWN_TOGGLE}`;
  const SELECTOR_DATA_TOGGLE = '[data-bs-toggle="tab"], [data-bs-toggle="pill"], [data-bs-toggle="list"]'; // TODO: could only be `tab` in v6
  const SELECTOR_INNER_ELEM = `${SELECTOR_INNER}, ${SELECTOR_DATA_TOGGLE}`;
  const SELECTOR_DATA_TOGGLE_ACTIVE = `.${CLASS_NAME_ACTIVE}[data-bs-toggle="tab"], .${CLASS_NAME_ACTIVE}[data-bs-toggle="pill"], .${CLASS_NAME_ACTIVE}[data-bs-toggle="list"]`;

  /**
   * Class definition
   */

  class Tab extends BaseComponent {
    constructor(element) {
      super(element);
      this._parent = this._element.closest(SELECTOR_TAB_PANEL);
      if (!this._parent) {
        return;
        // TODO: should throw exception in v6
        // throw new TypeError(`${element.outerHTML} has not a valid parent ${SELECTOR_INNER_ELEM}`)
      }

      // Set up initial aria attributes
      this._setInitialAttributes(this._parent, this._getChildren());
      EventHandler.on(this._element, EVENT_KEYDOWN, event => this._keydown(event));
    }

    // Getters
    static get NAME() {
      return NAME;
    }

    // Public
    show() {
      // Shows this elem and deactivate the active sibling if exists
      const innerElem = this._element;
      if (this._elemIsActive(innerElem)) {
        return;
      }

      // Search for active tab on same parent to deactivate it
      const active = this._getActiveElem();
      const hideEvent = active ? EventHandler.trigger(active, EVENT_HIDE, {
        relatedTarget: innerElem
      }) : null;
      const showEvent = EventHandler.trigger(innerElem, EVENT_SHOW, {
        relatedTarget: active
      });
      if (showEvent.defaultPrevented || hideEvent && hideEvent.defaultPrevented) {
        return;
      }
      this._deactivate(active, innerElem);
      this._activate(innerElem, active);
    }

    // Private
    _activate(element, relatedElem) {
      if (!element) {
        return;
      }
      element.classList.add(CLASS_NAME_ACTIVE);
      this._activate(SelectorEngine.getElementFromSelector(element)); // Search and activate/show the proper section

      const complete = () => {
        if (element.getAttribute('role') !== 'tab') {
          element.classList.add(CLASS_NAME_SHOW);
          return;
        }
        element.removeAttribute('tabindex');
        element.setAttribute('aria-selected', true);
        this._toggleDropDown(element, true);
        EventHandler.trigger(element, EVENT_SHOWN, {
          relatedTarget: relatedElem
        });
      };
      this._queueCallback(complete, element, element.classList.contains(CLASS_NAME_FADE));
    }
    _deactivate(element, relatedElem) {
      if (!element) {
        return;
      }
      element.classList.remove(CLASS_NAME_ACTIVE);
      element.blur();
      this._deactivate(SelectorEngine.getElementFromSelector(element)); // Search and deactivate the shown section too

      const complete = () => {
        if (element.getAttribute('role') !== 'tab') {
          element.classList.remove(CLASS_NAME_SHOW);
          return;
        }
        element.setAttribute('aria-selected', false);
        element.setAttribute('tabindex', '-1');
        this._toggleDropDown(element, false);
        EventHandler.trigger(element, EVENT_HIDDEN, {
          relatedTarget: relatedElem
        });
      };
      this._queueCallback(complete, element, element.classList.contains(CLASS_NAME_FADE));
    }
    _keydown(event) {
      if (![ARROW_LEFT_KEY, ARROW_RIGHT_KEY, ARROW_UP_KEY, ARROW_DOWN_KEY, HOME_KEY, END_KEY].includes(event.key)) {
        return;
      }
      event.stopPropagation(); // stopPropagation/preventDefault both added to support up/down keys without scrolling the page
      event.preventDefault();
      const children = this._getChildren().filter(element => !index_js.isDisabled(element));
      let nextActiveElement;
      if ([HOME_KEY, END_KEY].includes(event.key)) {
        nextActiveElement = children[event.key === HOME_KEY ? 0 : children.length - 1];
      } else {
        const isNext = [ARROW_RIGHT_KEY, ARROW_DOWN_KEY].includes(event.key);
        nextActiveElement = index_js.getNextActiveElement(children, event.target, isNext, true);
      }
      if (nextActiveElement) {
        nextActiveElement.focus({
          preventScroll: true
        });
        Tab.getOrCreateInstance(nextActiveElement).show();
      }
    }
    _getChildren() {
      // collection of inner elements
      return SelectorEngine.find(SELECTOR_INNER_ELEM, this._parent);
    }
    _getActiveElem() {
      return this._getChildren().find(child => this._elemIsActive(child)) || null;
    }
    _setInitialAttributes(parent, children) {
      this._setAttributeIfNotExists(parent, 'role', 'tablist');
      for (const child of children) {
        this._setInitialAttributesOnChild(child);
      }
    }
    _setInitialAttributesOnChild(child) {
      child = this._getInnerElement(child);
      const isActive = this._elemIsActive(child);
      const outerElem = this._getOuterElement(child);
      child.setAttribute('aria-selected', isActive);
      if (outerElem !== child) {
        this._setAttributeIfNotExists(outerElem, 'role', 'presentation');
      }
      if (!isActive) {
        child.setAttribute('tabindex', '-1');
      }
      this._setAttributeIfNotExists(child, 'role', 'tab');

      // set attributes to the related panel too
      this._setInitialAttributesOnTargetPanel(child);
    }
    _setInitialAttributesOnTargetPanel(child) {
      const target = SelectorEngine.getElementFromSelector(child);
      if (!target) {
        return;
      }
      this._setAttributeIfNotExists(target, 'role', 'tabpanel');
      if (child.id) {
        this._setAttributeIfNotExists(target, 'aria-labelledby', `${child.id}`);
      }
    }
    _toggleDropDown(element, open) {
      const outerElem = this._getOuterElement(element);
      if (!outerElem.classList.contains(CLASS_DROPDOWN)) {
        return;
      }
      const toggle = (selector, className) => {
        const element = SelectorEngine.findOne(selector, outerElem);
        if (element) {
          element.classList.toggle(className, open);
        }
      };
      toggle(SELECTOR_DROPDOWN_TOGGLE, CLASS_NAME_ACTIVE);
      toggle(SELECTOR_DROPDOWN_MENU, CLASS_NAME_SHOW);
      outerElem.setAttribute('aria-expanded', open);
    }
    _setAttributeIfNotExists(element, attribute, value) {
      if (!element.hasAttribute(attribute)) {
        element.setAttribute(attribute, value);
      }
    }
    _elemIsActive(elem) {
      return elem.classList.contains(CLASS_NAME_ACTIVE);
    }

    // Try to get the inner element (usually the .nav-link)
    _getInnerElement(elem) {
      return elem.matches(SELECTOR_INNER_ELEM) ? elem : SelectorEngine.findOne(SELECTOR_INNER_ELEM, elem);
    }

    // Try to get the outer element (usually the .nav-item)
    _getOuterElement(elem) {
      return elem.closest(SELECTOR_OUTER) || elem;
    }

    // Static
    static jQueryInterface(config) {
      return this.each(function () {
        const data = Tab.getOrCreateInstance(this);
        if (typeof config !== 'string') {
          return;
        }
        if (data[config] === undefined || config.startsWith('_') || config === 'constructor') {
          throw new TypeError(`No method named "${config}"`);
        }
        data[config]();
      });
    }
  }

  /**
   * Data API implementation
   */

  EventHandler.on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
    if (['A', 'AREA'].includes(this.tagName)) {
      event.preventDefault();
    }
    if (index_js.isDisabled(this)) {
      return;
    }
    Tab.getOrCreateInstance(this).show();
  });

  /**
   * Initialize on focus
   */
  EventHandler.on(window, EVENT_LOAD_DATA_API, () => {
    for (const element of SelectorEngine.find(SELECTOR_DATA_TOGGLE_ACTIVE)) {
      Tab.getOrCreateInstance(element);
    }
  });
  /**
   * jQuery
   */

  index_js.defineJQueryPlugin(Tab);

  return Tab;

}));
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