Acme.BookStore.HttpApi.Host/node_modules/bootstrap/js/src/util/backdrop.js

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/**
 * --------------------------------------------------------------------------
 * Bootstrap (v5.1.3): util/backdrop.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
 * --------------------------------------------------------------------------
 */

import EventHandler from '../dom/event-handler'
import { execute, executeAfterTransition, getElement, reflow, typeCheckConfig } from './index'

const Default = {
  className: 'modal-backdrop',
  isVisible: true, // if false, we use the backdrop helper without adding any element to the dom
  isAnimated: false,
  rootElement: 'body', // give the choice to place backdrop under different elements
  clickCallback: null
}

const DefaultType = {
  className: 'string',
  isVisible: 'boolean',
  isAnimated: 'boolean',
  rootElement: '(element|string)',
  clickCallback: '(function|null)'
}
const NAME = 'backdrop'
const CLASS_NAME_FADE = 'fade'
const CLASS_NAME_SHOW = 'show'

const EVENT_MOUSEDOWN = `mousedown.bs.${NAME}`

class Backdrop {
  constructor(config) {
    this._config = this._getConfig(config)
    this._isAppended = false
    this._element = null
  }

  show(callback) {
    if (!this._config.isVisible) {
      execute(callback)
      return
    }

    this._append()

    if (this._config.isAnimated) {
      reflow(this._getElement())
    }

    this._getElement().classList.add(CLASS_NAME_SHOW)

    this._emulateAnimation(() => {
      execute(callback)
    })
  }

  hide(callback) {
    if (!this._config.isVisible) {
      execute(callback)