/*!
  * Bootstrap selector-engine.js v5.3.0-alpha3 (https://getbootstrap.com/)
  * Copyright 2011-2023 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('../util/index.js')) :
  typeof define === 'function' && define.amd ? define(['../util/index'], factory) :
  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.SelectorEngine = factory(global.Index));
})(this, (function (index_js) { 'use strict';

  /**
   * --------------------------------------------------------------------------
   * Bootstrap dom/selector-engine.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   * --------------------------------------------------------------------------
   */
  const getSelector = element => {
    let selector = element.getAttribute('data-bs-target');
    if (!selector || selector === '#') {
      let hrefAttribute = 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 (!hrefAttribute || !hrefAttribute.includes('#') && !hrefAttribute.startsWith('.')) {
        return null;
      }

      // Just in case some CMS puts out a full URL with the anchor appended
      if (hrefAttribute.includes('#') && !hrefAttribute.startsWith('#')) {
        hrefAttribute = `#${hrefAttribute.split('#')[1]}`;
      }
      selector = hrefAttribute && hrefAttribute !== '#' ? hrefAttribute.trim() : null;
    }
    return index_js.parseSelector(selector);
  };
  const SelectorEngine = {
    find(selector, element = document.documentElement) {
      return [].concat(...Element.prototype.querySelectorAll.call(element, selector));
    },
    findOne(selector, element = document.documentElement) {
      return Element.prototype.querySelector.call(element, selector);
    },
    children(element, selector) {
      return [].concat(...element.children).filter(child => child.matches(selector));
    },
    parents(element, selector) {
      const parents = [];
      let ancestor = element.parentNode.closest(selector);
      while (ancestor) {
        parents.push(ancestor);
        ancestor = ancestor.parentNode.closest(selector);
      }
      return parents;
    },
    prev(element, selector) {
      let previous = element.previousElementSibling;
      while (previous) {
        if (previous.matches(selector)) {
          return [previous];
        }
        previous = previous.previousElementSibling;
      }
      return [];
    },
    // TODO: this is now unused; remove later along with prev()
    next(element, selector) {
      let next = element.nextElementSibling;
      while (next) {
        if (next.matches(selector)) {
          return [next];
        }
        next = next.nextElementSibling;
      }
      return [];
    },
    focusableChildren(element) {
      const focusables = ['a', 'button', 'input', 'textarea', 'select', 'details', '[tabindex]', '[contenteditable="true"]'].map(selector => `${selector}:not([tabindex^="-"])`).join(',');
      return this.find(focusables, element).filter(el => !index_js.isDisabled(el) && index_js.isVisible(el));
    },
    getSelectorFromElement(element) {
      const selector = getSelector(element);
      if (selector) {
        return SelectorEngine.findOne(selector) ? selector : null;
      }
      return null;
    },
    getElementFromSelector(element) {
      const selector = getSelector(element);
      return selector ? SelectorEngine.findOne(selector) : null;
    },
    getMultipleElementsFromSelector(element) {
      const selector = getSelector(element);
      return selector ? SelectorEngine.find(selector) : [];
    }
  };

  return SelectorEngine;

}));
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