Bootstrap/js/dist/modal.js

/*!
  * Bootstrap modal.js v4.2.1 (https://getbootstrap.com/)
  * Copyright 2011-2019 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */
(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('./util.js')) :
  typeof define === 'function' && define.amd ? define(['jquery', './util.js'], factory) :
  (global = global || self, global.Modal = factory(global.jQuery, global.Util));
}(this, function ($, Util) { 'use strict';

  $ = $ && $.hasOwnProperty('default') ? $['default'] : $;
  Util = Util && Util.hasOwnProperty('default') ? Util['default'] : Util;

  function _defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
      var descriptor = props[i];
      descriptor.enumerable = descriptor.enumerable || false;
      descriptor.configurable = true;
      if ("value" in descriptor) descriptor.writable = true;
      Object.defineProperty(target, descriptor.key, descriptor);
    }
  }

  function _createClass(Constructor, protoProps, staticProps) {
    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
    if (staticProps) _defineProperties(Constructor, staticProps);
    return Constructor;
  }

  function _defineProperty(obj, key, value) {
    if (key in obj) {
      Object.defineProperty(obj, key, {
        value: value,
        enumerable: true,
        configurable: true,
        writable: true
      });
    } else {
      obj[key] = value;
    }

    return obj;
  }

  function _objectSpread(target) {
    for (var i = 1; i < arguments.length; i++) {
      var source = arguments[i] != null ? arguments[i] : {};
      var ownKeys = Object.keys(source);

      if (typeof Object.getOwnPropertySymbols === 'function') {
        ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
          return Object.getOwnPropertyDescriptor(source, sym).enumerable;
        }));
      }

      ownKeys.forEach(function (key) {
        _defineProperty(target, key, source[key]);
      });
    }

    return target;
  }

  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */

  var NAME = 'modal';
  var VERSION = '4.2.1';
  var DATA_KEY = 'bs.modal';
  var EVENT_KEY = "." + DATA_KEY;
  var DATA_API_KEY = '.data-api';
  var JQUERY_NO_CONFLICT = $.fn[NAME];
  var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key

  var Default = {
    backdrop: true,
    keyboard: true,
    focus: true,
    show: true
  };
  var DefaultType = {
    backdrop: '(boolean|string)',
    keyboard: 'boolean',
    focus: 'boolean',
    show: 'boolean'
  };
  var Event = {
    HIDE: "hide" + EVENT_KEY,
    HIDDEN: "hidden" + EVENT_KEY,
    SHOW: "show" + EVENT_KEY,
    SHOWN: "shown" + EVENT_KEY,
    FOCUSIN: "focusin" + EVENT_KEY,
    RESIZE: "resize" + EVENT_KEY,
    CLICK_DISMISS: "click.dismiss" + EVENT_KEY,
    KEYDOWN_DISMISS: "keydown.dismiss" + EVENT_KEY,
    MOUSEUP_DISMISS: "mouseup.dismiss" + EVENT_KEY,
    MOUSEDOWN_DISMISS: "mousedown.dismiss" + EVENT_KEY,
    CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY
  };
  var ClassName = {
    SCROLLBAR_MEASURER: 'modal-scrollbar-measure',
    BACKDROP: 'modal-backdrop',
    OPEN: 'modal-open',
    FADE: 'fade',
    SHOW: 'show'
  };
  var Selector = {
    DIALOG: '.modal-dialog',
    DATA_TOGGLE: '[data-toggle="modal"]',
    DATA_DISMISS: '[data-dismiss="modal"]',
    FIXED_CONTENT: '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top',
    STICKY_CONTENT: '.sticky-top'
    /**
     * ------------------------------------------------------------------------
     * Class Definition
     * ------------------------------------------------------------------------
     */

  };

  var Modal =
  /*#__PURE__*/
  function () {
    function Modal(element, config) {
      this._config = this._getConfig(config);
      this._element = element;
      this._dialog = element.querySelector(Selector.DIALOG);
      this._backdrop = null;
      this._isShown = false;
      this._isBodyOverflowing = false;
      this._ignoreBackdropClick = false;
      this._isTransitioning = false;
      this._scrollbarWidth = 0;
    } // Getters


    var _proto = Modal.prototype;

    // Public
    _proto.toggle = function toggle(relatedTarget) {
      return this._isShown ? this.hide() : this.show(relatedTarget);
    };

    _proto.show = function show(relatedTarget) {
      var _this = this;

      if (this._isShown || this._isTransitioning) {
        return;
      }

      if ($(this._element).hasClass(ClassName.FADE)) {
        this._isTransitioning = true;
      }

      var showEvent = $.Event(Event.SHOW, {
        relatedTarget: relatedTarget
      });
      $(this._element).trigger(showEvent);

      if (this._isShown || showEvent.isDefaultPrevented()) {
        return;
      }

      this._isShown = true;

      this._checkScrollbar();

      this._setScrollbar();

      this._adjustDialog();

      this._setEscapeEvent();

      this._setResizeEvent();

      $(this._element).on(Event.CLICK_DISMISS, Selector.DATA_DISMISS, function (event) {
        return _this.hide(event);
      });
      $(this._dialog).on(Event.MOUSEDOWN_DISMISS, function () {
        $(_this._element).one(Event.MOUSEUP_DISMISS, function (event) {
          if ($(event.target).is(_this._element)) {
            _this._ignoreBackdropClick = true;
          }
        });
      });

      this._showBackdrop(function () {
        return _this._showElement(relatedTarget);
      });
    };

    _proto.hide = function hide(event) {
      var _this2 = this;

      if (event) {
        event.preventDefault();
      }

      if (!this._isShown || this._isTransitioning) {
        return;
      }

      var hideEvent = $.Event(Event.HIDE);
      $(this._element).trigger(hideEvent);

      if (!this._isShown || hideEvent.isDefaultPrevented()) {
        return;
      }

      this._isShown = false;
      var transition = $(this._element).hasClass(ClassName.FADE);

      if (transition) {
        this._isTransitioning = true;
      }

      this._setEscapeEvent();

      this._setResizeEvent();

      $(document).off(Event.FOCUSIN);
      $(this._element).removeClass(ClassName.SHOW);
      $(this._element).off(Event.CLICK_DISMISS);
      $(this._dialog).off(Event.MOUSEDOWN_DISMISS);

      if (transition) {
        var transitionDuration = Util.getTransitionDurationFromElement(this._element);
        $(this._element).one(Util.TRANSITION_END, function (event) {
          return _this2._hideModal(event);
        }).emulateTransitionEnd(transitionDuration);
      } else {
        this._hideModal();
      }
    };

    _proto.dispose = function dispose() {
      [window, this._element, this._dialog].forEach(function (htmlElement) {
        return $(htmlElement).off(EVENT_KEY);
      });
      /**
       * `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
       */

      $(document).off(Event.FOCUSIN);
      $.removeData(this._element, DATA_KEY);
      this._config = null;
      this._element = null;
      this._dialog = null;
      this._backdrop = null;
      this._isShown = null;
      this._isBodyOverflowing = null;
      this._ignoreBackdropClick = null;
      this._isTransitioning = null;
      this._scrollbarWidth = null;
    };

    _proto.handleUpdate = function handleUpdate() {
      this._adjustDialog();
    } // Private
    ;

    _proto._getConfig = function _getConfig(config) {
      config = _objectSpread({}, Default, config);
      Util.typeCheckConfig(NAME, config, DefaultType);
      return config;
    };

    _proto._showElement = function _showElement(relatedTarget) {
      var _this3 = this;

      var transition = $(this._element).hasClass(ClassName.FADE);

      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.scrollTop = 0;

      if (transition) {
        Util.reflow(this._element);
      }

      $(this._element).addClass(ClassName.SHOW);

      if (this._config.focus) {
        this._enforceFocus();
      }

      var shownEvent = $.Event(Event.SHOWN, {
        relatedTarget: relatedTarget
      });

      var transitionComplete = function transitionComplete() {
        if (_this3._config.focus) {
          _this3._element.focus();
        }

        _this3._isTransitioning = false;
        $(_this3._element).trigger(shownEvent);
      };

      if (transition) {
        var transitionDuration = Util.getTransitionDurationFromElement(this._dialog);
        $(this._dialog).one(Util.TRANSITION_END, transitionComplete).emulateTransitionEnd(transitionDuration);
      } else {
        transitionComplete();
      }
    };

    _proto._enforceFocus = function _enforceFocus() {
      var _this4 = this;

      $(document).off(Event.FOCUSIN) // Guard against infinite focus loop
      .on(Event.FOCUSIN, function (event) {
        if (document !== event.target && _this4._element !== event.target && $(_this4._element).has(event.target).length === 0) {
          _this4._element.focus();
        }
      });
    };

    _proto._setEscapeEvent = function _setEscapeEvent() {
      var _this5 = this;

      if (this._isShown && this._config.keyboard) {
        $(this._element).on(Event.KEYDOWN_DISMISS, function (event) {
          if (event.which === ESCAPE_KEYCODE) {
            event.preventDefault();

            _this5.hide();
          }
        });
      } else if (!this._isShown) {
        $(this._element).off(Event.KEYDOWN_DISMISS);
      }
    };

    _proto._setResizeEvent = function _setResizeEvent() {
      var _this6 = this;

      if (this._isShown) {
        $(window).on(Event.RESIZE, function (event) {
          return _this6.handleUpdate(event);
        });
      } else {
        $(window).off(Event.RESIZE);
      }
    };

    _proto._hideModal = function _hideModal() {
      var _this7 = this;

      this._element.style.display = 'none';

      this._element.setAttribute('aria-hidden', true);

      this._element.removeAttribute('aria-modal');

      this._isTransitioning = false;

      this._showBackdrop(function () {
        $(document.body).removeClass(ClassName.OPEN);

        _this7._resetAdjustments();

        _this7._resetScrollbar();

        $(_this7._element).trigger(Event.HIDDEN);
      });
    };

    _proto._removeBackdrop = function _removeBackdrop() {
      if (this._backdrop) {
        $(this._backdrop).remove();
        this._backdrop = null;
      }
    };

    _proto._showBackdrop = function _showBackdrop(callback) {
      var _this8 = this;

      var animate = $(this._element).hasClass(ClassName.FADE) ? ClassName.FADE : '';

      if (this._isShown && this._config.backdrop) {
        this._backdrop = document.createElement('div');
        this._backdrop.className = ClassName.BACKDROP;

        if (animate) {
          this._backdrop.classList.add(animate);
        }

        $(this._backdrop).appendTo(document.body);
        $(this._element).on(Event.CLICK_DISMISS, function (event) {
          if (_this8._ignoreBackdropClick) {
            _this8._ignoreBackdropClick = false;
            return;
          }

          if (event.target !== event.currentTarget) {
            return;
          }

          if (_this8._config.backdrop === 'static') {
            _this8._element.focus();
          } else {
            _this8.hide();
          }
        });

        if (animate) {
          Util.reflow(this._backdrop);
        }

        $(this._backdrop).addClass(ClassName.SHOW);

        if (!callback) {
          return;
        }

        if (!animate) {
          callback();
          return;
        }

        var backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop);
        $(this._backdrop).one(Util.TRANSITION_END, callback).emulateTransitionEnd(backdropTransitionDuration);
      } else if (!this._isShown && this._backdrop) {
        $(this._backdrop).removeClass(ClassName.SHOW);

        var callbackRemove = function callbackRemove() {
          _this8._removeBackdrop();

          if (callback) {
            callback();
          }
        };

        if ($(this._element).hasClass(ClassName.FADE)) {
          var _backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop);

          $(this._backdrop).one(Util.TRANSITION_END, callbackRemove).emulateTransitionEnd(_backdropTransitionDuration);
        } else {
          callbackRemove();
        }
      } else if (callback) {
        callback();
      }
    } // ----------------------------------------------------------------------
    // the following methods are used to handle overflowing modals
    // todo (fat): these should probably be refactored out of modal.js
    // ----------------------------------------------------------------------
    ;

    _proto._adjustDialog = function _adjustDialog() {
      var isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;

      if (!this._isBodyOverflowing && isModalOverflowing) {
        this._element.style.paddingLeft = this._scrollbarWidth + "px";
      }

      if (this._isBodyOverflowing && !isModalOverflowing) {
        this._element.style.paddingRight = this._scrollbarWidth + "px";
      }
    };

    _proto._resetAdjustments = function _resetAdjustments() {
      this._element.style.paddingLeft = '';
      this._element.style.paddingRight = '';
    };

    _proto._checkScrollbar = function _checkScrollbar() {
      var rect = document.body.getBoundingClientRect();
      this._isBodyOverflowing = rect.left + rect.right < window.innerWidth;
      this._scrollbarWidth = this._getScrollbarWidth();
    };

    _proto._setScrollbar = function _setScrollbar() {
      var _this9 = this;

      if (this._isBodyOverflowing) {
        // Note: DOMNode.style.paddingRight returns the actual value or '' if not set
        //   while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set
        var fixedContent = [].slice.call(document.querySelectorAll(Selector.FIXED_CONTENT));
        var stickyContent = [].slice.call(document.querySelectorAll(Selector.STICKY_CONTENT)); // Adjust fixed content padding

        $(fixedContent).each(function (index, element) {
          var actualPadding = element.style.paddingRight;
          var calculatedPadding = $(element).css('padding-right');
          $(element).data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + _this9._scrollbarWidth + "px");
        }); // Adjust sticky content margin

        $(stickyContent).each(function (index, element) {
          var actualMargin = element.style.marginRight;
          var calculatedMargin = $(element).css('margin-right');
          $(element).data('margin-right', actualMargin).css('margin-right', parseFloat(calculatedMargin) - _this9._scrollbarWidth + "px");
        }); // Adjust body padding

        var actualPadding = document.body.style.paddingRight;
        var calculatedPadding = $(document.body).css('padding-right');
        $(document.body).data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + this._scrollbarWidth + "px");
      }

      $(document.body).addClass(ClassName.OPEN);
    };

    _proto._resetScrollbar = function _resetScrollbar() {
      // Restore fixed content padding
      var fixedContent = [].slice.call(document.querySelectorAll(Selector.FIXED_CONTENT));
      $(fixedContent).each(function (index, element) {
        var padding = $(element).data('padding-right');
        $(element).removeData('padding-right');
        element.style.paddingRight = padding ? padding : '';
      }); // Restore sticky content

      var elements = [].slice.call(document.querySelectorAll("" + Selector.STICKY_CONTENT));
      $(elements).each(function (index, element) {
        var margin = $(element).data('margin-right');

        if (typeof margin !== 'undefined') {
          $(element).css('margin-right', margin).removeData('margin-right');
        }
      }); // Restore body padding

      var padding = $(document.body).data('padding-right');
      $(document.body).removeData('padding-right');
      document.body.style.paddingRight = padding ? padding : '';
    };

    _proto._getScrollbarWidth = function _getScrollbarWidth() {
      // thx d.walsh
      var scrollDiv = document.createElement('div');
      scrollDiv.className = ClassName.SCROLLBAR_MEASURER;
      document.body.appendChild(scrollDiv);
      var scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth;
      document.body.removeChild(scrollDiv);
      return scrollbarWidth;
    } // Static
    ;

    Modal._jQueryInterface = function _jQueryInterface(config, relatedTarget) {
      return this.each(function () {
        var data = $(this).data(DATA_KEY);

        var _config = _objectSpread({}, Default, $(this).data(), typeof config === 'object' && config ? config : {});

        if (!data) {
          data = new Modal(this, _config);
          $(this).data(DATA_KEY, data);
        }

        if (typeof config === 'string') {
          if (typeof data[config] === 'undefined') {
            throw new TypeError("No method named \"" + config + "\"");
          }

          data[config](relatedTarget);
        } else if (_config.show) {
          data.show(relatedTarget);
        }
      });
    };

    _createClass(Modal, null, [{
      key: "VERSION",
      get: function get() {
        return VERSION;
      }
    }, {
      key: "Default",
      get: function get() {
        return Default;
      }
    }]);

    return Modal;
  }();
  /**
   * ------------------------------------------------------------------------
   * Data Api implementation
   * ------------------------------------------------------------------------
   */


  $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
    var _this10 = this;

    var target;
    var selector = Util.getSelectorFromElement(this);

    if (selector) {
      target = document.querySelector(selector);
    }

    var config = $(target).data(DATA_KEY) ? 'toggle' : _objectSpread({}, $(target).data(), $(this).data());

    if (this.tagName === 'A' || this.tagName === 'AREA') {
      event.preventDefault();
    }

    var $target = $(target).one(Event.SHOW, function (showEvent) {
      if (showEvent.isDefaultPrevented()) {
        // Only register focus restorer if modal will actually get shown
        return;
      }

      $target.one(Event.HIDDEN, function () {
        if ($(_this10).is(':visible')) {
          _this10.focus();
        }
      });
    });

    Modal._jQueryInterface.call($(target), config, this);
  });
  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   */

  $.fn[NAME] = Modal._jQueryInterface;
  $.fn[NAME].Constructor = Modal;

  $.fn[NAME].noConflict = function () {
    $.fn[NAME] = JQUERY_NO_CONFLICT;
    return Modal._jQueryInterface;
  };

  return Modal;

}));
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