Bootstrap/js/dist/modal.js.map

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$ from 'jquery'\nimport Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-beta): modal.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Modal = (() => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                         = 'modal'\n  const VERSION                      = '4.0.0-beta'\n  const DATA_KEY                     = 'bs.modal'\n  const EVENT_KEY                    = `.${DATA_KEY}`\n  const DATA_API_KEY                 = '.data-api'\n  const JQUERY_NO_CONFLICT           = $.fn[NAME]\n  const TRANSITION_DURATION          = 300\n  const BACKDROP_TRANSITION_DURATION = 150\n  const ESCAPE_KEYCODE               = 27 // KeyboardEvent.which value for Escape (Esc) key\n\n  const Default = {\n    backdrop : true,\n    keyboard : true,\n    focus    : true,\n    show     : true\n  }\n\n  const DefaultType = {\n    backdrop : '(boolean|string)',\n    keyboard : 'boolean',\n    focus    : 'boolean',\n    show     : 'boolean'\n  }\n\n  const Event = {\n    HIDE              : `hide${EVENT_KEY}`,\n    HIDDEN            : `hidden${EVENT_KEY}`,\n    SHOW              : `show${EVENT_KEY}`,\n    SHOWN             : `shown${EVENT_KEY}`,\n    FOCUSIN           : `focusin${EVENT_KEY}`,\n    RESIZE            : `resize${EVENT_KEY}`,\n    CLICK_DISMISS     : `click.dismiss${EVENT_KEY}`,\n    KEYDOWN_DISMISS   : `keydown.dismiss${EVENT_KEY}`,\n    MOUSEUP_DISMISS   : `mouseup.dismiss${EVENT_KEY}`,\n    MOUSEDOWN_DISMISS : `mousedown.dismiss${EVENT_KEY}`,\n    CLICK_DATA_API    : `click${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    SCROLLBAR_MEASURER : 'modal-scrollbar-measure',\n    BACKDROP           : 'modal-backdrop',\n    OPEN               : 'modal-open',\n    FADE               : 'fade',\n    SHOW               : 'show'\n  }\n\n  const Selector = {\n    DIALOG             : '.modal-dialog',\n    DATA_TOGGLE        : '[data-toggle=\"modal\"]',\n    DATA_DISMISS       : '[data-dismiss=\"modal\"]',\n    FIXED_CONTENT      : '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top',\n    STICKY_CONTENT     : '.sticky-top',\n    NAVBAR_TOGGLER     : '.navbar-toggler'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Modal {\n\n    constructor(element, config) {\n      this._config              = this._getConfig(config)\n      this._element             = element\n      this._dialog              = $(element).find(Selector.DIALOG)[0]\n      this._backdrop            = null\n      this._isShown             = false\n      this._isBodyOverflowing   = false\n      this._ignoreBackdropClick = false\n      this._originalBodyPadding = 0\n      this._scrollbarWidth      = 0\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n\n    // public\n\n    toggle(relatedTarget) {\n      return this._isShown ? this.hide() : this.show(relatedTarget)\n    }\n\n    show(relatedTarget) {\n      if (this._isTransitioning) {\n        return\n      }\n\n      if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)) {\n        this._isTransitioning = true\n      }\n\n      const showEvent = $.Event(Event.SHOW, {\n        relatedTarget\n      })\n\n      $(this._element).trigger(showEvent)\n\n      if (this._isShown || showEvent.isDefaultPrevented()) {\n        return\n      }\n\n      this._isShown = true\n\n      this._checkScrollbar()\n      this._setScrollbar()\n\n      this._adjustDialog()\n\n      $(document.body).addClass(ClassName.OPEN)\n\n      this._setEscapeEvent()\n      this._setResizeEvent()\n\n      $(this._element).on(\n        Event.CLICK_DISMISS,\n        Selector.DATA_DISMISS,\n        (event) => this.hide(event)\n      )\n\n      $(this._dialog).on(Event.MOUSEDOWN_DISMISS, () => {\n        $(this._element).one(Event.MOUSEUP_DISMISS, (event) => {\n          if ($(event.target).is(this._element)) {\n            this._ignoreBackdropClick = true\n          }\n        })\n      })\n\n      this._showBackdrop(() => this._showElement(relatedTarget))\n    }\n\n    hide(event) {\n      if (event) {\n        event.preventDefault()\n      }\n\n      if (this._isTransitioning || !this._isShown) {\n        return\n      }\n\n      const transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)\n\n      if (transition) {\n        this._isTransitioning = true\n      }\n\n      const hideEvent = $.Event(Event.HIDE)\n\n      $(this._element).trigger(hideEvent)\n\n      if (!this._isShown || hideEvent.isDefaultPrevented()) {\n        return\n      }\n\n      this._isShown = false\n\n      this._setEscapeEvent()\n      this._setResizeEvent()\n\n      $(document).off(Event.FOCUSIN)\n\n      $(this._element).removeClass(ClassName.SHOW)\n\n      $(this._element).off(Event.CLICK_DISMISS)\n      $(this._dialog).off(Event.MOUSEDOWN_DISMISS)\n\n      if (transition) {\n\n        $(this._element)\n          .one(Util.TRANSITION_END, (event) => this._hideModal(event))\n          .emulateTransitionEnd(TRANSITION_DURATION)\n      } else {\n        this._hideModal()\n      }\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n\n      $(window, document, this._element, this._backdrop).off(EVENT_KEY)\n\n      this._config              = null\n      this._element             = null\n      this._dialog              = null\n      this._backdrop            = null\n      this._isShown             = null\n      this._isBodyOverflowing   = null\n      this._ignoreBackdropClick = null\n      this._scrollbarWidth      = null\n    }\n\n    handleUpdate() {\n      this._adjustDialog()\n    }\n\n    // private\n\n    _getConfig(config) {\n      config = $.extend({}, Default, config)\n      Util.typeCheckConfig(NAME, config, DefaultType)\n      return config\n    }\n\n    _showElement(relatedTarget) {\n      const transition = Util.supportsTransitionEnd() &&\n        $(this._element).hasClass(ClassName.FADE)\n\n      if (!this._element.parentNode ||\n         this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {\n        // don't move modals dom position\n        document.body.appendChild(this._element)\n      }\n\n      this._element.style.display = 'block'\n      this._element.removeAttribute('aria-hidden')\n      this._element.scrollTop = 0\n\n      if (transition) {\n        Util.reflow(this._element)\n      }\n\n      $(this._element).addClass(ClassName.SHOW)\n\n      if (this._config.focus) {\n        this._enforceFocus()\n      }\n\n      const shownEvent = $.Event(Event.SHOWN, {\n        relatedTarget\n      })\n\n      const transitionComplete = () => {\n        if (this._config.focus) {\n          this._element.focus()\n        }\n        this._isTransitioning = false\n        $(this._element).trigger(shownEvent)\n      }\n\n      if (transition) {\n        $(this._dialog)\n          .one(Util.TRANSITION_END, transitionComplete)\n          .emulateTransitionEnd(TRANSITION_DURATION)\n      } else {\n        transitionComplete()\n      }\n    }\n\n    _enforceFocus() {\n      $(document)\n        .off(Event.FOCUSIN) // guard against infinite focus loop\n        .on(Event.FOCUSIN, (event) => {\n          if (document !== event.target &&\n              this._element !== event.target &&\n              !$(this._element).has(event.target).length) {\n            this._element.focus()\n          }\n        })\n    }\n\n    _setEscapeEvent() {\n      if (this._isShown && this._config.keyboard) {\n        $(this._element).on(Event.KEYDOWN_DISMISS, (event) => {\n          if (event.which === ESCAPE_KEYCODE) {\n            event.preventDefault()\n            this.hide()\n          }\n        })\n\n      } else if (!this._isShown) {\n        $(this._element).off(Event.KEYDOWN_DISMISS)\n      }\n    }\n\n    _setResizeEvent() {\n      if (this._isShown) {\n        $(window).on(Event.RESIZE, (event) => this.handleUpdate(event))\n      } else {\n        $(window).off(Event.RESIZE)\n      }\n    }\n\n    _hideModal() {\n      this._element.style.display = 'none'\n      this._element.setAttribute('aria-hidden', true)\n      this._isTransitioning = false\n      this._showBackdrop(() => {\n        $(document.body).removeClass(ClassName.OPEN)\n        this._resetAdjustments()\n        this._resetScrollbar()\n        $(this._element).trigger(Event.HIDDEN)\n      })\n    }\n\n    _removeBackdrop() {\n      if (this._backdrop) {\n        $(this._backdrop).remove()\n        this._backdrop = null\n      }\n    }\n\n    _showBackdrop(callback) {\n      const animate = $(this._element).hasClass(ClassName.FADE) ?\n        ClassName.FADE : ''\n\n      if (this._isShown && this._config.backdrop) {\n        const doAnimate = Util.supportsTransitionEnd() && animate\n\n        this._backdrop = document.createElement('div')\n        this._backdrop.className = ClassName.BACKDROP\n\n        if (animate) {\n          $(this._backdrop).addClass(animate)\n        }\n\n        $(this._backdrop).appendTo(document.body)\n\n        $(this._element).on(Event.CLICK_DISMISS, (event) => {\n          if (this._ignoreBackdropClick) {\n            this._ignoreBackdropClick = false\n            return\n          }\n          if (event.target !== event.currentTarget) {\n            return\n          }\n          if (this._config.backdrop === 'static') {\n            this._element.focus()\n          } else {\n            this.hide()\n          }\n        })\n\n        if (doAnimate) {\n          Util.reflow(this._backdrop)\n        }\n\n        $(this._backdrop).addClass(ClassName.SHOW)\n\n        if (!callback) {\n          return\n        }\n\n        if (!doAnimate) {\n          callback()\n          return\n        }\n\n        $(this._backdrop)\n          .one(Util.TRANSITION_END, callback)\n          .emulateTransitionEnd(BACKDROP_TRANSITION_DURATION)\n\n      } else if (!this._isShown && this._backdrop) {\n        $(this._backdrop).removeClass(ClassName.SHOW)\n\n        const callbackRemove = () => {\n          this._removeBackdrop()\n          if (callback) {\n            callback()\n          }\n        }\n\n        if (Util.supportsTransitionEnd() &&\n           $(this._element).hasClass(ClassName.FADE)) {\n          $(this._backdrop)\n            .one(Util.TRANSITION_END, callbackRemove)\n            .emulateTransitionEnd(BACKDROP_TRANSITION_DURATION)\n        } else {\n          callbackRemove()\n        }\n\n      } else if (callback) {\n        callback()\n      }\n    }\n\n\n    // ----------------------------------------------------------------------\n    // the following methods are used to handle overflowing modals\n    // todo (fat): these should probably be refactored out of modal.js\n    // ----------------------------------------------------------------------\n\n    _adjustDialog() {\n      const isModalOverflowing =\n        this._element.scrollHeight > document.documentElement.clientHeight\n\n      if (!this._isBodyOverflowing && isModalOverflowing) {\n        this._element.style.paddingLeft = `${this._scrollbarWidth}px`\n      }\n\n      if (this._isBodyOverflowing && !isModalOverflowing) {\n        this._element.style.paddingRight = `${this._scrollbarWidth}px`\n      }\n    }\n\n    _resetAdjustments() {\n      this._element.style.paddingLeft = ''\n      this._element.style.paddingRight = ''\n    }\n\n    _checkScrollbar() {\n      const rect = document.body.getBoundingClientRect()\n      this._isBodyOverflowing = rect.left + rect.right < window.innerWidth\n      this._scrollbarWidth = this._getScrollbarWidth()\n    }\n\n    _setScrollbar() {\n      if (this._isBodyOverflowing) {\n        // Note: DOMNode.style.paddingRight returns the actual value or '' if not set\n        //   while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set\n\n        // Adjust fixed content padding\n        $(Selector.FIXED_CONTENT).each((index, element) => {\n          const actualPadding = $(element)[0].style.paddingRight\n          const calculatedPadding = $(element).css('padding-right')\n          $(element).data('padding-right', actualPadding).css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)\n        })\n\n        // Adjust sticky content margin\n        $(Selector.STICKY_CONTENT).each((index, element) => {\n          const actualMargin = $(element)[0].style.marginRight\n          const calculatedMargin = $(element).css('margin-right')\n          $(element).data('margin-right', actualMargin).css('margin-right', `${parseFloat(calculatedMargin) - this._scrollbarWidth}px`)\n        })\n\n        // Adjust navbar-toggler margin\n        $(Selector.NAVBAR_TOGGLER).each((index, element) => {\n          const actualMargin = $(element)[0].style.marginRight\n          const calculatedMargin = $(element).css('margin-right')\n          $(element).data('margin-right', actualMargin).css('margin-right', `${parseFloat(calculatedMargin) + this._scrollbarWidth}px`)\n        })\n\n        // Adjust body padding\n        const actualPadding = document.body.style.paddingRight\n        const calculatedPadding = $('body').css('padding-right')\n        $('body').data('padding-right', actualPadding).css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)\n      }\n    }\n\n    _resetScrollbar() {\n      // Restore fixed content padding\n      $(Selector.FIXED_CONTENT).each((index, element) => {\n        const padding = $(element).data('padding-right')\n        if (typeof padding !== 'undefined') {\n          $(element).css('padding-right', padding).removeData('padding-right')\n        }\n      })\n\n      // Restore sticky content and navbar-toggler margin\n      $(`${Selector.STICKY_CONTENT}, ${Selector.NAVBAR_TOGGLER}`).each((index, element) => {\n        const margin = $(element).data('margin-right')\n        if (typeof margin !== 'undefined') {\n          $(element).css('margin-right', margin).removeData('margin-right')\n        }\n      })\n\n      // Restore body padding\n      const padding = $('body').data('padding-right')\n      if (typeof padding !== 'undefined') {\n        $('body').css('padding-right', padding).removeData('padding-right')\n      }\n    }\n\n    _getScrollbarWidth() { // thx d.walsh\n      const scrollDiv = document.createElement('div')\n      scrollDiv.className = ClassName.SCROLLBAR_MEASURER\n      document.body.appendChild(scrollDiv)\n      const scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth\n      document.body.removeChild(scrollDiv)\n      return scrollbarWidth\n    }\n\n\n    // static\n\n    static _jQueryInterface(config, relatedTarget) {\n      return this.each(function () {\n        let data      = $(this).data(DATA_KEY)\n        const _config = $.extend(\n          {},\n          Modal.Default,\n          $(this).data(),\n          typeof config === 'object' && config\n        )\n\n        if (!data) {\n          data = new Modal(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (typeof data[config] === 'undefined') {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config](relatedTarget)\n        } else if (_config.show) {\n          data.show(relatedTarget)\n        }\n      })\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {\n    let target\n    const selector = Util.getSelectorFromElement(this)\n\n    if (selector) {\n      target = $(selector)[0]\n    }\n\n    const config = $(target).data(DATA_KEY) ?\n      'toggle' : $.extend({}, $(target).data(), $(this).data())\n\n    if (this.tagName === 'A' || this.tagName === 'AREA') {\n      event.preventDefault()\n    }\n\n    const $target = $(target).one(Event.SHOW, (showEvent) => {\n      if (showEvent.isDefaultPrevented()) {\n        // only register focus restorer if modal will actually get shown\n        return\n      }\n\n      $target.one(Event.HIDDEN, () => {\n        if ($(this).is(':visible')) {\n          this.focus()\n        }\n      })\n    })\n\n    Modal._jQueryInterface.call($(target), config, this)\n  })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Modal._jQueryInterface\n  $.fn[NAME].Constructor = Modal\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Modal._jQueryInterface\n  }\n\n  return Modal\n\n})(jQuery)\n\nexport default Modal\n"]}