tab.js

/*!
  * Bootstrap tab.js v5.0.0 (https://getbootstrap.com/)
  * Copyright 2011-2021 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('./dom/data.js'), require('./dom/event-handler.js'), require('./dom/selector-engine.js'), require('./base-component.js')) :
  typeof define === 'function' && define.amd ? define(['./dom/data', './dom/event-handler', './dom/selector-engine', './base-component'], factory) :
  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Tab = factory(global.Data, global.EventHandler, global.SelectorEngine, global.Base));
}(this, (function (Data, EventHandler, SelectorEngine, BaseComponent) { 'use strict';

  function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }

  var Data__default = /*#__PURE__*/_interopDefaultLegacy(Data);
  var EventHandler__default = /*#__PURE__*/_interopDefaultLegacy(EventHandler);
  var SelectorEngine__default = /*#__PURE__*/_interopDefaultLegacy(SelectorEngine);
  var BaseComponent__default = /*#__PURE__*/_interopDefaultLegacy(BaseComponent);

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v5.0.0): util/index.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   * --------------------------------------------------------------------------
   */
  const MILLISECONDS_MULTIPLIER = 1000;
  const TRANSITION_END = 'transitionend'; // Shoutout AngusCroll (https://goo.gl/pxwQGp)

  const getSelector = element => {
    let selector = element.getAttribute('data-bs-target');

    if (!selector || selector === '#') {
      let hrefAttr = element.getAttribute('href'); // The only valid content that could double as a selector are IDs or classes,
      // so everything starting with `#` or `.`. If a "real" URL is used as the selector,
      // `document.querySelector` will rightfully complain it is invalid.
      // See https://github.com/twbs/bootstrap/issues/32273

      if (!hrefAttr || !hrefAttr.includes('#') && !hrefAttr.startsWith('.')) {
        return null;
      } // Just in case some CMS puts out a full URL with the anchor appended


      if (hrefAttr.includes('#') && !hrefAttr.startsWith('#')) {
        hrefAttr = `#${hrefAttr.split('#')[1]}`;
      }

      selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : null;
    }

    return selector;
  };

  const getElementFromSelector = element => {
    const selector = getSelector(element);
    return selector ? document.querySelector(selector) : null;
  };

  const getTransitionDurationFromElement = element => {
    if (!element) {
      return 0;
    } // Get transition-duration of the element


    let {
      transitionDuration,
      transitionDelay
    } = window.getComputedStyle(element);
    const floatTransitionDuration = Number.parseFloat(transitionDuration);
    const floatTransitionDelay = Number.parseFloat(transitionDelay); // Return 0 if element or transition duration is not found

    if (!floatTransitionDuration && !floatTransitionDelay) {
      return 0;
    } // If multiple durations are defined, take the first


    transitionDuration = transitionDuration.split(',')[0];
    transitionDelay = transitionDelay.split(',')[0];
    return (Number.parseFloat(transitionDuration) + Number.parseFloat(transitionDelay)) * MILLISECONDS_MULTIPLIER;
  };

  const triggerTransitionEnd = element => {
    element.dispatchEvent(new Event(TRANSITION_END));
  };

  const emulateTransitionEnd = (element, duration) => {
    let called = false;
    const durationPadding = 5;
    const emulatedDuration = duration + durationPadding;

    function listener() {
      called = true;
      element.removeEventListener(TRANSITION_END, listener);
    }

    element.addEventListener(TRANSITION_END, listener);
    setTimeout(() => {
      if (!called) {
        triggerTransitionEnd(element);
      }
    }, emulatedDuration);
  };

  const isDisabled = element => {
    if (!element || element.nodeType !== Node.ELEMENT_NODE) {
      return true;
    }

    if (element.classList.contains('disabled')) {
      return true;
    }

    if (typeof element.disabled !== 'undefined') {
      return element.disabled;
    }

    return element.hasAttribute('disabled') && element.getAttribute('disabled') !== 'false';
  };

  const reflow = element => element.offsetHeight;

  const getjQuery = () => {
    const {
      jQuery
    } = window;

    if (jQuery && !document.body.hasAttribute('data-bs-no-jquery')) {
      return jQuery;
    }

    return null;
  };

  const onDOMContentLoaded = callback => {
    if (document.readyState === 'loading') {
      document.addEventListener('DOMContentLoaded', callback);
    } else {
      callback();
    }
  };

  const defineJQueryPlugin = (name, plugin) => {
    onDOMContentLoaded(() => {
      const $ = getjQuery();
      /* istanbul ignore if */

      if ($) {
        const JQUERY_NO_CONFLICT = $.fn[name];
        $.fn[name] = plugin.jQueryInterface;
        $.fn[name].Constructor = plugin;

        $.fn[name].noConflict = () => {
          $.fn[name] = JQUERY_NO_CONFLICT;
          return plugin.jQueryInterface;
        };
      }
    });
  };

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v5.0.0): 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 = `.${DATA_KEY}`;
  const DATA_API_KEY = '.data-api';
  const EVENT_HIDE = `hide${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}${DATA_API_KEY}`;
  const CLASS_NAME_DROPDOWN_MENU = 'dropdown-menu';
  const CLASS_NAME_ACTIVE = 'active';
  const CLASS_NAME_FADE = 'fade';
  const CLASS_NAME_SHOW = 'show';
  const SELECTOR_DROPDOWN = '.dropdown';
  const SELECTOR_NAV_LIST_GROUP = '.nav, .list-group';
  const SELECTOR_ACTIVE = '.active';
  const SELECTOR_ACTIVE_UL = ':scope > li > .active';
  const SELECTOR_DATA_TOGGLE = '[data-bs-toggle="tab"], [data-bs-toggle="pill"], [data-bs-toggle="list"]';
  const SELECTOR_DROPDOWN_TOGGLE = '.dropdown-toggle';
  const SELECTOR_DROPDOWN_ACTIVE_CHILD = ':scope > .dropdown-menu .active';
  /**
   * ------------------------------------------------------------------------
   * Class Definition
   * ------------------------------------------------------------------------
   */

  class Tab extends BaseComponent__default['default'] {
    // Getters
    static get DATA_KEY() {
      return DATA_KEY;
    } // Public


    show() {
      if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && this._element.classList.contains(CLASS_NAME_ACTIVE)) {
        return;
      }

      let previous;
      const target = getElementFromSelector(this._element);

      const listElement = this._element.closest(SELECTOR_NAV_LIST_GROUP);

      if (listElement) {
        const itemSelector = listElement.nodeName === 'UL' || listElement.nodeName === 'OL' ? SELECTOR_ACTIVE_UL : SELECTOR_ACTIVE;
        previous = SelectorEngine__default['default'].find(itemSelector, listElement);
        previous = previous[previous.length - 1];
      }

      const hideEvent = previous ? EventHandler__default['default'].trigger(previous, EVENT_HIDE, {
        relatedTarget: this._element
      }) : null;
      const showEvent = EventHandler__default['default'].trigger(this._element, EVENT_SHOW, {
        relatedTarget: previous
      });

      if (showEvent.defaultPrevented || hideEvent !== null && hideEvent.defaultPrevented) {
        return;
      }

      this._activate(this._element, listElement);

      const complete = () => {
        EventHandler__default['default'].trigger(previous, EVENT_HIDDEN, {
          relatedTarget: this._element
        });
        EventHandler__default['default'].trigger(this._element, EVENT_SHOWN, {
          relatedTarget: previous
        });
      };

      if (target) {
        this._activate(target, target.parentNode, complete);
      } else {
        complete();
      }
    } // Private


    _activate(element, container, callback) {
      const activeElements = container && (container.nodeName === 'UL' || container.nodeName === 'OL') ? SelectorEngine__default['default'].find(SELECTOR_ACTIVE_UL, container) : SelectorEngine__default['default'].children(container, SELECTOR_ACTIVE);
      const active = activeElements[0];
      const isTransitioning = callback && active && active.classList.contains(CLASS_NAME_FADE);

      const complete = () => this._transitionComplete(element, active, callback);

      if (active && isTransitioning) {
        const transitionDuration = getTransitionDurationFromElement(active);
        active.classList.remove(CLASS_NAME_SHOW);
        EventHandler__default['default'].one(active, 'transitionend', complete);
        emulateTransitionEnd(active, transitionDuration);
      } else {
        complete();
      }
    }

    _transitionComplete(element, active, callback) {
      if (active) {
        active.classList.remove(CLASS_NAME_ACTIVE);
        const dropdownChild = SelectorEngine__default['default'].findOne(SELECTOR_DROPDOWN_ACTIVE_CHILD, active.parentNode);

        if (dropdownChild) {
          dropdownChild.classList.remove(CLASS_NAME_ACTIVE);
        }

        if (active.getAttribute('role') === 'tab') {
          active.setAttribute('aria-selected', false);
        }
      }

      element.classList.add(CLASS_NAME_ACTIVE);

      if (element.getAttribute('role') === 'tab') {
        element.setAttribute('aria-selected', true);
      }

      reflow(element);

      if (element.classList.contains(CLASS_NAME_FADE)) {
        element.classList.add(CLASS_NAME_SHOW);
      }

      let parent = element.parentNode;

      if (parent && parent.nodeName === 'LI') {
        parent = parent.parentNode;
      }

      if (parent && parent.classList.contains(CLASS_NAME_DROPDOWN_MENU)) {
        const dropdownElement = element.closest(SELECTOR_DROPDOWN);

        if (dropdownElement) {
          SelectorEngine__default['default'].find(SELECTOR_DROPDOWN_TOGGLE, dropdownElement).forEach(dropdown => dropdown.classList.add(CLASS_NAME_ACTIVE));
        }

        element.setAttribute('aria-expanded', true);
      }

      if (callback) {
        callback();
      }
    } // Static


    static jQueryInterface(config) {
      return this.each(function () {
        const data = Data__default['default'].get(this, DATA_KEY) || new Tab(this);

        if (typeof config === 'string') {
          if (typeof data[config] === 'undefined') {
            throw new TypeError(`No method named "${config}"`);
          }

          data[config]();
        }
      });
    }

  }
  /**
   * ------------------------------------------------------------------------
   * Data Api implementation
   * ------------------------------------------------------------------------
   */


  EventHandler__default['default'].on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
    if (['A', 'AREA'].includes(this.tagName)) {
      event.preventDefault();
    }

    if (isDisabled(this)) {
      return;
    }

    const data = Data__default['default'].get(this, DATA_KEY) || new Tab(this);
    data.show();
  });
  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   * add .Tab to jQuery only if jQuery is present
   */

  defineJQueryPlugin(NAME, Tab);

  return Tab;

})));
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