source: imaps-frontend/node_modules/bootstrap/js/dist/util/scrollbar.js

/*!
  * Bootstrap scrollbar.js v5.3.3 (https://getbootstrap.com/)
  * Copyright 2011-2024 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/manipulator.js'), require('../dom/selector-engine.js'), require('./index.js')) :
  typeof define === 'function' && define.amd ? define(['../dom/manipulator', '../dom/selector-engine', './index'], factory) :
  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Scrollbar = factory(global.Manipulator, global.SelectorEngine, global.Index));
})(this, (function (Manipulator, SelectorEngine, index_js) { 'use strict';

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


  /**
   * Constants
   */

  const SELECTOR_FIXED_CONTENT = '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top';
  const SELECTOR_STICKY_CONTENT = '.sticky-top';
  const PROPERTY_PADDING = 'padding-right';
  const PROPERTY_MARGIN = 'margin-right';

  /**
   * Class definition
   */

  class ScrollBarHelper {
    constructor() {
      this._element = document.body;
    }

    // Public
    getWidth() {
      // https://developer.mozilla.org/en-US/docs/Web/API/Window/innerWidth#usage_notes
      const documentWidth = document.documentElement.clientWidth;
      return Math.abs(window.innerWidth - documentWidth);
    }
    hide() {
      const width = this.getWidth();
      this._disableOverFlow();
      // give padding to element to balance the hidden scrollbar width
      this._setElementAttributes(this._element, PROPERTY_PADDING, calculatedValue => calculatedValue + width);
      // trick: We adjust positive paddingRight and negative marginRight to sticky-top elements to keep showing fullwidth
      this._setElementAttributes(SELECTOR_FIXED_CONTENT, PROPERTY_PADDING, calculatedValue => calculatedValue + width);
      this._setElementAttributes(SELECTOR_STICKY_CONTENT, PROPERTY_MARGIN, calculatedValue => calculatedValue - width);
    }
    reset() {
      this._resetElementAttributes(this._element, 'overflow');
      this._resetElementAttributes(this._element, PROPERTY_PADDING);
      this._resetElementAttributes(SELECTOR_FIXED_CONTENT, PROPERTY_PADDING);
      this._resetElementAttributes(SELECTOR_STICKY_CONTENT, PROPERTY_MARGIN);
    }
    isOverflowing() {
      return this.getWidth() > 0;
    }

    // Private
    _disableOverFlow() {
      this._saveInitialAttribute(this._element, 'overflow');
      this._element.style.overflow = 'hidden';
    }
    _setElementAttributes(selector, styleProperty, callback) {
      const scrollbarWidth = this.getWidth();
      const manipulationCallBack = element => {
        if (element !== this._element && window.innerWidth > element.clientWidth + scrollbarWidth) {
          return;
        }
        this._saveInitialAttribute(element, styleProperty);
        const calculatedValue = window.getComputedStyle(element).getPropertyValue(styleProperty);
        element.style.setProperty(styleProperty, `${callback(Number.parseFloat(calculatedValue))}px`);
      };
      this._applyManipulationCallback(selector, manipulationCallBack);
    }
    _saveInitialAttribute(element, styleProperty) {
      const actualValue = element.style.getPropertyValue(styleProperty);
      if (actualValue) {
        Manipulator.setDataAttribute(element, styleProperty, actualValue);
      }
    }
    _resetElementAttributes(selector, styleProperty) {
      const manipulationCallBack = element => {
        const value = Manipulator.getDataAttribute(element, styleProperty);
        // We only want to remove the property if the value is `null`; the value can also be zero
        if (value === null) {
          element.style.removeProperty(styleProperty);
          return;
        }
        Manipulator.removeDataAttribute(element, styleProperty);
        element.style.setProperty(styleProperty, value);
      };
      this._applyManipulationCallback(selector, manipulationCallBack);
    }
    _applyManipulationCallback(selector, callBack) {
      if (index_js.isElement(selector)) {
        callBack(selector);
        return;
      }
      for (const sel of SelectorEngine.find(selector, this._element)) {
        callBack(sel);
      }
    }
  }

  return ScrollBarHelper;

}));
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