/*!
  * Bootstrap config.js v5.3.0-alpha1 (https://getbootstrap.com/)
  * Copyright 2011-2022 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('./index.js'), require('../dom/manipulator.js')) :
  typeof define === 'function' && define.amd ? define(['./index', '../dom/manipulator'], factory) :
  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Config = factory(global.Index, global.Manipulator));
})(this, (function (index_js, Manipulator) { 'use strict';

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v5.3.0-alpha1): util/config.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   * --------------------------------------------------------------------------
   */

  /**
   * Class definition
   */

  class Config {
    // Getters
    static get Default() {
      return {};
    }
    static get DefaultType() {
      return {};
    }
    static get NAME() {
      throw new Error('You have to implement the static method "NAME", for each component!');
    }
    _getConfig(config) {
      config = this._mergeConfigObj(config);
      config = this._configAfterMerge(config);
      this._typeCheckConfig(config);
      return config;
    }
    _configAfterMerge(config) {
      return config;
    }
    _mergeConfigObj(config, element) {
      const jsonConfig = index_js.isElement(element) ? Manipulator.getDataAttribute(element, 'config') : {}; // try to parse

      return {
        ...this.constructor.Default,
        ...(typeof jsonConfig === 'object' ? jsonConfig : {}),
        ...(index_js.isElement(element) ? Manipulator.getDataAttributes(element) : {}),
        ...(typeof config === 'object' ? config : {})
      };
    }
    _typeCheckConfig(config, configTypes = this.constructor.DefaultType) {
      for (const [property, expectedTypes] of Object.entries(configTypes)) {
        const value = config[property];
        const valueType = index_js.isElement(value) ? 'element' : index_js.toType(value);
        if (!new RegExp(expectedTypes).test(valueType)) {
          throw new TypeError(`${this.constructor.NAME.toUpperCase()}: Option "${property}" provided type "${valueType}" but expected type "${expectedTypes}".`);
        }
      }
    }
  }

  return Config;

}));
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