text: /**
   * --------------------------------------------------------------------------
   * Bootstrap (v5.0.0-beta3): modal.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   * --------------------------------------------------------------------------
   */
  
  import {
    defineJQueryPlugin,
    emulateTransitionEnd,
    getElementFromSelector,
    getTransitionDurationFromElement,
    isVisible,
    isRTL,
    reflow,
    typeCheckConfig
  } from './util'
  import Data from './dom/data'
  import EventHandler from './dom/event-handler'
  import Manipulator from './dom/manipulator'
  import SelectorEngine from './dom/selector-engine'
  import BaseComponent from './base-component'
  
  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */
  
  const NAME = 'modal'
  const DATA_KEY = 'bs.modal'
  const EVENT_KEY = `.${DATA_KEY}`
  const DATA_API_KEY = '.data-api'
  const ESCAPE_KEY = 'Escape'
  
  const Default = {
    backdrop: true,
    keyboard: true,
    focus: true
  }
  
  const DefaultType = {
    backdrop: '(boolean|string)',
    keyboard: 'boolean',
    focus: 'boolean'
  }
  
  const EVENT_HIDE = `hide${EVENT_KEY}`
  const EVENT_HIDE_PREVENTED = `hidePrevented${EVENT_KEY}`
  const EVENT_HIDDEN = `hidden${EVENT_KEY}`
  const EVENT_SHOW = `show${EVENT_KEY}`
  const EVENT_SHOWN = `shown${EVENT_KEY}`
  const EVENT_FOCUSIN = `focusin${EVENT_KEY}`
  const EVENT_RESIZE = `resize${EVENT_KEY}`
  const EVENT_CLICK_DISMISS = `click.dismiss${EVENT_KEY}`
  const EVENT_KEYDOWN_DISMISS = `keydown.dismiss${EVENT_KEY}`
  const EVENT_MOUSEUP_DISMISS = `mouseup.dismiss${EVENT_KEY}`
  const EVENT_MOUSEDOWN_DISMISS = `mousedown.dismiss${EVENT_KEY}`
  const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`
  
  const CLASS_NAME_SCROLLBAR_MEASURER = 'modal-scrollbar-measure'
  const CLASS_NAME_BACKDROP = 'modal-backdrop'
  const CLASS_NAME_OPEN = 'modal-open'
  const CLASS_NAME_FADE = 'fade'
  const CLASS_NAME_SHOW = 'show'
  const CLASS_NAME_STATIC = 'modal-static'
  
  const SELECTOR_DIALOG = '.modal-dialog'
  const SELECTOR_MODAL_BODY = '.modal-body'
  const SELECTOR_DATA_TOGGLE = '[data-bs-toggle="modal"]'
  const SELECTOR_DATA_DISMISS = '[data-bs-dismiss="modal"]'
  const SELECTOR_FIXED_CONTENT = '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top'
  const SELECTOR_STICKY_CONTENT = '.sticky-top'
  
  /**
   * ------------------------------------------------------------------------
   * Class Definition
   * ------------------------------------------------------------------------
   */
  
  class Modal extends BaseComponent {
    constructor(element, config) {
      super(element)
  
      this._config = this._getConfig(config)
      this._dialog = SelectorEngine.findOne(SELECTOR_DIALOG, this._element)
      this._backdrop = null
      this._isShown = false
      this._isBodyOverflowing = false
      this._ignoreBackdropClick = false
      this._isTransitioning = false
      this._scrollbarWidth = 0
    }
  
    // Getters
  
    static get Default() {
      return Default
    }
  
    static get DATA_KEY() {
      return DATA_KEY
    }
  
    // Public
  
    toggle(relatedTarget) {
      return this._isShown ? this.hide() : this.show(relatedTarget)
    }
  
    show(relatedTarget) {
      if (this._isShown || this._isTransitioning) {
        return
      }
  
      if (this._isAnimated()) {
        this._isTransitioning = true
      }
  
      const showEvent = EventHandler.trigger(this._element, EVENT_SHOW, {
        relatedTarget
      })
  
      if (this._isShown || showEvent.defaultPrevented) {
        return
      }
  
      this._isShown = true
  
      this._checkScrollbar()
      this._setScrollbar()
  
      this._adjustDialog()
  
      this._setEscapeEvent()
      this._setResizeEvent()
  
      EventHandler.on(this._element, EVENT_CLICK_DISMISS, SELECTOR_DATA_DISMISS, event => this.hide(event))
  
      EventHandler.on(this._dialog, EVENT_MOUSEDOWN_DISMISS, () => {
        EventHandler.one(this._element, EVENT_MOUSEUP_DISMISS, event => {
          if (event.target === this._element) {
            this._ignoreBackdropClick = true
          }
        })
      })
  
      this._showBackdrop(() => this._showElement(relatedTarget))
    }
  
    hide(event) {
      if (event) {
        event.preventDefault()
      }
  
      if (!this._isShown || this._isTransitioning) {
        return
      }
  
      const hideEvent = EventHandler.trigger(this._element, EVENT_HIDE)
  
      if (hideEvent.defaultPrevented) {
        return
      }
  
      this._isShown = false
      const isAnimated = this._isAnimated()
  
      if (isAnimated) {
        this._isTransitioning = true
      }
  
      this._setEscapeEvent()
      this._setResizeEvent()
  
      EventHandler.off(document, EVENT_FOCUSIN)
  
      this._element.classList.remove(CLASS_NAME_SHOW)
  
      EventHandler.off(this._element, EVENT_CLICK_DISMISS)
      EventHandler.off(this._dialog, EVENT_MOUSEDOWN_DISMISS)
  
      if (isAnimated) {
        const transitionDuration = getTransitionDurationFromElement(this._element)
  
        EventHandler.one(this._element, 'transitionend', event => this._hideModal(event))
        emulateTransitionEnd(this._element, transitionDuration)
      } else {
        this._hideModal()
      }
    }
  
    dispose() {
      [window, this._element, this._dialog]
        .forEach(htmlElement => EventHandler.off(htmlElement, EVENT_KEY))
  
      super.dispose()
  
      /**
       * `document` has 2 events `EVENT_FOCUSIN` and `EVENT_CLICK_DATA_API`
       * Do not move `document` in `htmlElements` array
       * It will remove `EVENT_CLICK_DATA_API` event that should remain
       */
      EventHandler.off(document, EVENT_FOCUSIN)
  
      this._config = null
      this._dialog = null
      this._backdrop = null
      this._isShown = null
      this._isBodyOverflowing = null
      this._ignoreBackdropClick = null
      this._isTransitioning = null
      this._scrollbarWidth = null
    }
  
    handleUpdate() {
      this._adjustDialog()
    }
  
    // Private
  
    _getConfig(config) {
      config = {
        ...Default,
        ...config
      }
      typeCheckConfig(NAME, config, DefaultType)
      return config
    }
  
    _showElement(relatedTarget) {
      const isAnimated = this._isAnimated()
      const modalBody = SelectorEngine.findOne(SELECTOR_MODAL_BODY, this._dialog)
  
      if (!this._element.parentNode || this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {
        // Don't move modal's DOM position
        document.body.appendChild(this._element)
      }
  
      this._element.style.display = 'block'
      this._element.removeAttribute('aria-hidden')
      this._element.setAttribute('aria-modal', true)
      this._element.setAttribute('role', 'dialog')
      this._element.scrollTop = 0
  
      if (modalBody) {
        modalBody.scrollTop = 0
      }
  
      if (isAnimated) {
        reflow(this._element)
      }
  
      this._element.classList.add(CLASS_NAME_SHOW)
  
      if (this._config.focus) {
        this._enforceFocus()
      }
  
      const transitionComplete = () => {
        if (this._config.focus) {
          this._element.focus()
        }
  
        this._isTransitioning = false
        EventHandler.trigger(this._element, EVENT_SHOWN, {
          relatedTarget
        })
      }
  
      if (isAnimated) {
        const transitionDuration = getTransitionDurationFromElement(this._dialog)
  
        EventHandler.one(this._dialog, 'transitionend', transitionComplete)
        emulateTransitionEnd(this._dialog, transitionDuration)
      } else {
        transitionComplete()
      }
    }
  
    _enforceFocus() {
      EventHandler.off(document, EVENT_FOCUSIN) // guard against infinite focus loop
      EventHandler.on(document, EVENT_FOCUSIN, event => {
        if (document !== event.target &&
            this._element !== event.target &&
            !this._element.contains(event.target)) {
          this._element.focus()
        }
      })
    }
  
    _setEscapeEvent() {
      if (this._isShown) {
        EventHandler.on(this._element, EVENT_KEYDOWN_DISMISS, event => {
          if (this._config.keyboard && event.key === ESCAPE_KEY) {
            event.preventDefault()
            this.hide()
          } else if (!this._config.keyboard && event.key === ESCAPE_KEY) {
            this._triggerBackdropTransition()
          }
        })
      } else {
        EventHandler.off(this._element, EVENT_KEYDOWN_DISMISS)
      }
    }
  
    _setResizeEvent() {
      if (this._isShown) {
        EventHandler.on(window, EVENT_RESIZE, () => this._adjustDialog())
      } else {
        EventHandler.off(window, EVENT_RESIZE)
      }
    }
  
    _hideModal() {
      this._element.style.display = 'none'
      this._element.setAttribute('aria-hidden', true)
      this._element.removeAttribute('aria-modal')
      this._element.removeAttribute('role')
      this._isTransitioning = false
      this._showBackdrop(() => {
        document.body.classList.remove(CLASS_NAME_OPEN)
        this._resetAdjustments()
        this._resetScrollbar()
        EventHandler.trigger(this._element, EVENT_HIDDEN)
      })
    }
  
    _removeBackdrop() {
      this._backdrop.parentNode.removeChild(this._backdrop)
      this._backdrop = null
    }
  
    _showBackdrop(callback) {
      const isAnimated = this._isAnimated()
      if (this._isShown && this._config.backdrop) {
        this._backdrop = document.createElement('div')
        this._backdrop.className = CLASS_NAME_BACKDROP
  
        if (isAnimated) {
          this._backdrop.classList.add(CLASS_NAME_FADE)
        }
  
        document.body.appendChild(this._backdrop)
  
        EventHandler.on(this._element, EVENT_CLICK_DISMISS, event => {
          if (this._ignoreBackdropClick) {
            this._ignoreBackdropClick = false
            return
          }
  
          if (event.target !== event.currentTarget) {
            return
          }
  
          if (this._config.backdrop === 'static') {
            this._triggerBackdropTransition()
          } else {
            this.hide()
          }
        })
  
        if (isAnimated) {
          reflow(this._backdrop)
        }
  
        this._backdrop.classList.add(CLASS_NAME_SHOW)
  
        if (!isAnimated) {
          callback()
          return
        }
  
        const backdropTransitionDuration = getTransitionDurationFromElement(this._backdrop)
  
        EventHandler.one(this._backdrop, 'transitionend', callback)
        emulateTransitionEnd(this._backdrop, backdropTransitionDuration)
      } else if (!this._isShown && this._backdrop) {
        this._backdrop.classList.remove(CLASS_NAME_SHOW)
  
        const callbackRemove = () => {
          this._removeBackdrop()
          callback()
        }
  
        if (isAnimated) {
          const backdropTransitionDuration = getTransitionDurationFromElement(this._backdrop)
          EventHandler.one(this._backdrop, 'transitionend', callbackRemove)
          emulateTransitionEnd(this._backdrop, backdropTransitionDuration)
        } else {
          callbackRemove()
        }
      } else {
        callback()
      }
    }
  
    _isAnimated() {
      return this._element.classList.contains(CLASS_NAME_FADE)
    }
  
    _triggerBackdropTransition() {
      const hideEvent = EventHandler.trigger(this._element, EVENT_HIDE_PREVENTED)
      if (hideEvent.defaultPrevented) {
        return
      }
  
      const isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight
  
      if (!isModalOverflowing) {
        this._element.style.overflowY = 'hidden'
      }
  
      this._element.classList.add(CLASS_NAME_STATIC)
      const modalTransitionDuration = getTransitionDurationFromElement(this._dialog)
      EventHandler.off(this._element, 'transitionend')
      EventHandler.one(this._element, 'transitionend', () => {
        this._element.classList.remove(CLASS_NAME_STATIC)
        if (!isModalOverflowing) {
          EventHandler.one(this._element, 'transitionend', () => {
            this._element.style.overflowY = ''
          })
          emulateTransitionEnd(this._element, modalTransitionDuration)
        }
      })
      emulateTransitionEnd(this._element, modalTransitionDuration)
      this._element.focus()
    }
  
    // ----------------------------------------------------------------------
    // the following methods are used to handle overflowing modals
    // ----------------------------------------------------------------------
  
    _adjustDialog() {
      const isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight
  
      if ((!this._isBodyOverflowing && isModalOverflowing && !isRTL()) || (this._isBodyOverflowing && !isModalOverflowing && isRTL())) {
        this._element.style.paddingLeft = `${this._scrollbarWidth}px`
      }
  
      if ((this._isBodyOverflowing && !isModalOverflowing && !isRTL()) || (!this._isBodyOverflowing && isModalOverflowing && isRTL())) {
        this._element.style.paddingRight = `${this._scrollbarWidth}px`
      }
    }
  
    _resetAdjustments() {
      this._element.style.paddingLeft = ''
      this._element.style.paddingRight = ''
    }
  
    _checkScrollbar() {
      const rect = document.body.getBoundingClientRect()
      this._isBodyOverflowing = Math.round(rect.left + rect.right) < window.innerWidth
      this._scrollbarWidth = this._getScrollbarWidth()
    }
  
    _setScrollbar() {
      if (this._isBodyOverflowing) {
        this._setElementAttributes(SELECTOR_FIXED_CONTENT, 'paddingRight', calculatedValue => calculatedValue + this._scrollbarWidth)
        this._setElementAttributes(SELECTOR_STICKY_CONTENT, 'marginRight', calculatedValue => calculatedValue - this._scrollbarWidth)
        this._setElementAttributes('body', 'paddingRight', calculatedValue => calculatedValue + this._scrollbarWidth)
      }
  
      document.body.classList.add(CLASS_NAME_OPEN)
    }
  
    _setElementAttributes(selector, styleProp, callback) {
      SelectorEngine.find(selector)
        .forEach(element => {
          if (element !== document.body && window.innerWidth > element.clientWidth + this._scrollbarWidth) {
            return
          }
  
          const actualValue = element.style[styleProp]
          const calculatedValue = window.getComputedStyle(element)[styleProp]
          Manipulator.setDataAttribute(element, styleProp, actualValue)
          element.style[styleProp] = callback(Number.parseFloat(calculatedValue)) + 'px'
        })
    }
  
    _resetScrollbar() {
      this._resetElementAttributes(SELECTOR_FIXED_CONTENT, 'paddingRight')
      this._resetElementAttributes(SELECTOR_STICKY_CONTENT, 'marginRight')
      this._resetElementAttributes('body', 'paddingRight')
    }
  
    _resetElementAttributes(selector, styleProp) {
      SelectorEngine.find(selector).forEach(element => {
        const value = Manipulator.getDataAttribute(element, styleProp)
        if (typeof value === 'undefined' && element === document.body) {
          element.style[styleProp] = ''
        } else {
          Manipulator.removeDataAttribute(element, styleProp)
          element.style[styleProp] = value
        }
      })
    }
  
    _getScrollbarWidth() { // thx d.walsh
      const scrollDiv = document.createElement('div')
      scrollDiv.className = CLASS_NAME_SCROLLBAR_MEASURER
      document.body.appendChild(scrollDiv)
      const scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth
      document.body.removeChild(scrollDiv)
      return scrollbarWidth
    }
  
    // Static
  
    static jQueryInterface(config, relatedTarget) {
      return this.each(function () {
        let data = Data.get(this, DATA_KEY)
        const _config = {
          ...Default,
          ...Manipulator.getDataAttributes(this),
          ...(typeof config === 'object' && config ? config : {})
        }
  
        if (!data) {
          data = new Modal(this, _config)
        }
  
        if (typeof config === 'string') {
          if (typeof data[config] === 'undefined') {
            throw new TypeError(`No method named "${config}"`)
          }
  
          data[config](relatedTarget)
        }
      })
    }
  }
  
  /**
   * ------------------------------------------------------------------------
   * Data Api implementation
   * ------------------------------------------------------------------------
   */
  
  EventHandler.on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
    const target = getElementFromSelector(this)
  
    if (this.tagName === 'A' || this.tagName === 'AREA') {
      event.preventDefault()
    }
  
    EventHandler.one(target, EVENT_SHOW, showEvent => {
      if (showEvent.defaultPrevented) {
        // only register focus restorer if modal will actually get shown
        return
      }
  
      EventHandler.one(target, EVENT_HIDDEN, () => {
        if (isVisible(this)) {
          this.focus()
        }
      })
    })
  
    let data = Data.get(target, DATA_KEY)
    if (!data) {
      const config = {
        ...Manipulator.getDataAttributes(target),
        ...Manipulator.getDataAttributes(this)
      }
  
      data = new Modal(target, config)
    }
  
    data.toggle(this)
  })
  
  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   * add .Modal to jQuery only if jQuery is present
   */
  
  defineJQueryPlugin(NAME, Modal)
  
  export default Modal
  