ProfessionalWiki / Bootstrap

  * Bootstrap modal.js v4.6.1 (https://getbootstrap.com/)

  * Copyright 2011-2021 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('jquery'), require('./util.js')) :

  typeof define === 'function' && define.amd ? define(['jquery', './util'], factory) :

  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Modal = factory(global.jQuery, global.Util));

})(this, (function ($, Util) { 'use strict';

  function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }

  var $__default = /*#__PURE__*/_interopDefaultLegacy($);

  var Util__default = /*#__PURE__*/_interopDefaultLegacy(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 _extends() {

    _extends = Object.assign || function (target) {

      for (var i = 1; i < arguments.length; i++) {

        var source = arguments[i];

        for (var key in source) {

          if (Object.prototype.hasOwnProperty.call(source, key)) {

            target[key] = source[key];

          }

        }

      }

      return target;

    };

    return _extends.apply(this, arguments);

  }

  /**

   * Constants

   */

  var NAME = 'modal';

  var VERSION = '4.6.1';

  var DATA_KEY = 'bs.modal';

  var EVENT_KEY = "." + DATA_KEY;

  var DATA_API_KEY = '.data-api';

  var JQUERY_NO_CONFLICT = $__default["default"].fn[NAME];

  var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key

  var CLASS_NAME_SCROLLABLE = 'modal-dialog-scrollable';

  var CLASS_NAME_SCROLLBAR_MEASURER = 'modal-scrollbar-measure';

  var CLASS_NAME_BACKDROP = 'modal-backdrop';

  var CLASS_NAME_OPEN = 'modal-open';

  var CLASS_NAME_FADE = 'fade';

  var CLASS_NAME_SHOW = 'show';

  var CLASS_NAME_STATIC = 'modal-static';

  var EVENT_HIDE = "hide" + EVENT_KEY;

  var EVENT_HIDE_PREVENTED = "hidePrevented" + EVENT_KEY;

  var EVENT_HIDDEN = "hidden" + EVENT_KEY;

  var EVENT_SHOW = "show" + EVENT_KEY;

  var EVENT_SHOWN = "shown" + EVENT_KEY;

  var EVENT_FOCUSIN = "focusin" + EVENT_KEY;

  var EVENT_RESIZE = "resize" + EVENT_KEY;

  var EVENT_CLICK_DISMISS = "click.dismiss" + EVENT_KEY;

  var EVENT_KEYDOWN_DISMISS = "keydown.dismiss" + EVENT_KEY;

  var EVENT_MOUSEUP_DISMISS = "mouseup.dismiss" + EVENT_KEY;

  var EVENT_MOUSEDOWN_DISMISS = "mousedown.dismiss" + EVENT_KEY;

  var EVENT_CLICK_DATA_API = "click" + EVENT_KEY + DATA_API_KEY;

  var SELECTOR_DIALOG = '.modal-dialog';

  var SELECTOR_MODAL_BODY = '.modal-body';

  var SELECTOR_DATA_TOGGLE = '[data-toggle="modal"]';

  var SELECTOR_DATA_DISMISS = '[data-dismiss="modal"]';

  var SELECTOR_FIXED_CONTENT = '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top';

  var SELECTOR_STICKY_CONTENT = '.sticky-top';

  var Default = {

    backdrop: true,

    keyboard: true,

    focus: true,

    show: true

  };

  var DefaultType = {

    backdrop: '(boolean|string)',

    keyboard: 'boolean',

    focus: 'boolean',

    show: 'boolean'

  };

  /**

   * 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;

      }

      var showEvent = $__default["default"].Event(EVENT_SHOW, {

        relatedTarget: relatedTarget

      });

      $__default["default"](this._element).trigger(showEvent);

      if (showEvent.isDefaultPrevented()) {

        return;

      }

      this._isShown = true;

      if ($__default["default"](this._element).hasClass(CLASS_NAME_FADE)) {

        this._isTransitioning = true;

      }

      this._checkScrollbar();

      this._setScrollbar();

      this._adjustDialog();

      this._setEscapeEvent();

      this._setResizeEvent();

      $__default["default"](this._element).on(EVENT_CLICK_DISMISS, SELECTOR_DATA_DISMISS, function (event) {

        return _this.hide(event);

      });

      $__default["default"](this._dialog).on(EVENT_MOUSEDOWN_DISMISS, function () {

        $__default["default"](_this._element).one(EVENT_MOUSEUP_DISMISS, function (event) {

          if ($__default["default"](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 = $__default["default"].Event(EVENT_HIDE);

      $__default["default"](this._element).trigger(hideEvent);

      if (!this._isShown || hideEvent.isDefaultPrevented()) {

        return;

      }

      this._isShown = false;

      var transition = $__default["default"](this._element).hasClass(CLASS_NAME_FADE);

      if (transition) {

        this._isTransitioning = true;

      }

      this._setEscapeEvent();

      this._setResizeEvent();

      $__default["default"](document).off(EVENT_FOCUSIN);

      $__default["default"](this._element).removeClass(CLASS_NAME_SHOW);

      $__default["default"](this._element).off(EVENT_CLICK_DISMISS);

      $__default["default"](this._dialog).off(EVENT_MOUSEDOWN_DISMISS);

      if (transition) {

        var transitionDuration = Util__default["default"].getTransitionDurationFromElement(this._element);

        $__default["default"](this._element).one(Util__default["default"].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 $__default["default"](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

       */

      $__default["default"](document).off(EVENT_FOCUSIN);

      $__default["default"].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 = _extends({}, Default, config);

      Util__default["default"].typeCheckConfig(NAME, config, DefaultType);

      return config;

    };

    _proto._triggerBackdropTransition = function _triggerBackdropTransition() {

      var _this3 = this;

      var hideEventPrevented = $__default["default"].Event(EVENT_HIDE_PREVENTED);

      $__default["default"](this._element).trigger(hideEventPrevented);

      if (hideEventPrevented.isDefaultPrevented()) {

        return;

      }

      var isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;

      if (!isModalOverflowing) {

        this._element.style.overflowY = 'hidden';

      }

      this._element.classList.add(CLASS_NAME_STATIC);

      var modalTransitionDuration = Util__default["default"].getTransitionDurationFromElement(this._dialog);

      $__default["default"](this._element).off(Util__default["default"].TRANSITION_END);

      $__default["default"](this._element).one(Util__default["default"].TRANSITION_END, function () {

        _this3._element.classList.remove(CLASS_NAME_STATIC);

        if (!isModalOverflowing) {

          $__default["default"](_this3._element).one(Util__default["default"].TRANSITION_END, function () {

            _this3._element.style.overflowY = '';

          }).emulateTransitionEnd(_this3._element, modalTransitionDuration);

        }

      }).emulateTransitionEnd(modalTransitionDuration);

      this._element.focus();

    };

    _proto._showElement = function _showElement(relatedTarget) {

      var _this4 = this;

      var transition = $__default["default"](this._element).hasClass(CLASS_NAME_FADE);

      var modalBody = this._dialog ? this._dialog.querySelector(SELECTOR_MODAL_BODY) : null;

      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');

      if ($__default["default"](this._dialog).hasClass(CLASS_NAME_SCROLLABLE) && modalBody) {

        modalBody.scrollTop = 0;

      } else {

        this._element.scrollTop = 0;

      }

      if (transition) {

        Util__default["default"].reflow(this._element);

      }

      $__default["default"](this._element).addClass(CLASS_NAME_SHOW);

      if (this._config.focus) {

        this._enforceFocus();

      }

      var shownEvent = $__default["default"].Event(EVENT_SHOWN, {

        relatedTarget: relatedTarget

      });

      var transitionComplete = function transitionComplete() {

        if (_this4._config.focus) {

          _this4._element.focus();

        }

        _this4._isTransitioning = false;

        $__default["default"](_this4._element).trigger(shownEvent);

      };

      if (transition) {

        var transitionDuration = Util__default["default"].getTransitionDurationFromElement(this._dialog);

        $__default["default"](this._dialog).one(Util__default["default"].TRANSITION_END, transitionComplete).emulateTransitionEnd(transitionDuration);

      } else {

        transitionComplete();

      }

    };

    _proto._enforceFocus = function _enforceFocus() {

      var _this5 = this;

      $__default["default"](document).off(EVENT_FOCUSIN) // Guard against infinite focus loop

      .on(EVENT_FOCUSIN, function (event) {

        if (document !== event.target && _this5._element !== event.target && $__default["default"](_this5._element).has(event.target).length === 0) {

          _this5._element.focus();

        }

      });

    };

    _proto._setEscapeEvent = function _setEscapeEvent() {

      var _this6 = this;

      if (this._isShown) {

        $__default["default"](this._element).on(EVENT_KEYDOWN_DISMISS, function (event) {

          if (_this6._config.keyboard && event.which === ESCAPE_KEYCODE) {

            event.preventDefault();

            _this6.hide();

          } else if (!_this6._config.keyboard && event.which === ESCAPE_KEYCODE) {

            _this6._triggerBackdropTransition();

          }

        });

      } else if (!this._isShown) {

        $__default["default"](this._element).off(EVENT_KEYDOWN_DISMISS);

      }

    };

    _proto._setResizeEvent = function _setResizeEvent() {

      var _this7 = this;

      if (this._isShown) {

        $__default["default"](window).on(EVENT_RESIZE, function (event) {

          return _this7.handleUpdate(event);

        });

      } else {

        $__default["default"](window).off(EVENT_RESIZE);

      }

    };

    _proto._hideModal = function _hideModal() {

      var _this8 = this;

      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(function () {

        $__default["default"](document.body).removeClass(CLASS_NAME_OPEN);

        _this8._resetAdjustments();

        _this8._resetScrollbar();

        $__default["default"](_this8._element).trigger(EVENT_HIDDEN);

      });

    };

    _proto._removeBackdrop = function _removeBackdrop() {

      if (this._backdrop) {

        $__default["default"](this._backdrop).remove();

        this._backdrop = null;

      }

    };

    // 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 = Math.round(rect.left + rect.right) < window.innerWidth;

      this._scrollbarWidth = this._getScrollbarWidth();

    };

    _proto._setScrollbar = function _setScrollbar() {

      var _this10 = 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

        $__default["default"](fixedContent).each(function (index, element) {

          var actualPadding = element.style.paddingRight;

          var calculatedPadding = $__default["default"](element).css('padding-right');

          $__default["default"](element).data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + _this10._scrollbarWidth + "px");

        }); // Adjust sticky content margin

        $__default["default"](stickyContent).each(function (index, element) {

          var actualMargin = element.style.marginRight;

          var calculatedMargin = $__default["default"](element).css('margin-right');

          $__default["default"](element).data('margin-right', actualMargin).css('margin-right', parseFloat(calculatedMargin) - _this10._scrollbarWidth + "px");

        }); // Adjust body padding

        var actualPadding = document.body.style.paddingRight;

        var calculatedPadding = $__default["default"](document.body).css('padding-right');

        $__default["default"](document.body).data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + this._scrollbarWidth + "px");

      }

      $__default["default"](document.body).addClass(CLASS_NAME_OPEN);

    };

    _proto._resetScrollbar = function _resetScrollbar() {

      // Restore fixed content padding

      var fixedContent = [].slice.call(document.querySelectorAll(SELECTOR_FIXED_CONTENT));

      $__default["default"](fixedContent).each(function (index, element) {

        var padding = $__default["default"](element).data('padding-right');

        $__default["default"](element).removeData('padding-right');

        element.style.paddingRight = padding ? padding : '';

      }); // Restore sticky content

      var elements = [].slice.call(document.querySelectorAll("" + SELECTOR_STICKY_CONTENT));

      $__default["default"](elements).each(function (index, element) {

        var margin = $__default["default"](element).data('margin-right');

        if (typeof margin !== 'undefined') {

          $__default["default"](element).css('margin-right', margin).removeData('margin-right');

        }

      }); // Restore body padding

      var padding = $__default["default"](document.body).data('padding-right');

      $__default["default"](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 = CLASS_NAME_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 = $__default["default"](this).data(DATA_KEY);

        var _config = _extends({}, Default, $__default["default"](this).data(), typeof config === 'object' && config ? config : {});

        if (!data) {

          data = new Modal(this, _config);

          $__default["default"](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

   */

  $__default["default"](document).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {

    var _this11 = this;

    var target;

    var selector = Util__default["default"].getSelectorFromElement(this);

    if (selector) {

      target = document.querySelector(selector);

    }

    var config = $__default["default"](target).data(DATA_KEY) ? 'toggle' : _extends({}, $__default["default"](target).data(), $__default["default"](this).data());

    if (this.tagName === 'A' || this.tagName === 'AREA') {

      event.preventDefault();

    }

    var $target = $__default["default"](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 ($__default["default"](_this11).is(':visible')) {

          _this11.focus();

        }

      });

    });

    Modal._jQueryInterface.call($__default["default"](target), config, this);

  });

  /**

   * jQuery

   */

  $__default["default"].fn[NAME] = Modal._jQueryInterface;

  $__default["default"].fn[NAME].Constructor = Modal;

  $__default["default"].fn[NAME].noConflict = function () {

    $__default["default"].fn[NAME] = JQUERY_NO_CONFLICT;

    return Modal._jQueryInterface;

  };

  return Modal;

}));

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