modal.js

/*!
  * Bootstrap modal.js v4.3.1 (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('./dom/data.js'), require('./dom/eventHandler.js'), require('./dom/manipulator.js'), require('./dom/selectorEngine.js')) :
  typeof define === 'function' && define.amd ? define(['./dom/data.js', './dom/eventHandler.js', './dom/manipulator.js', './dom/selectorEngine.js'], factory) :
  (global = global || self, global.Modal = factory(global.Data, global.EventHandler, global.Manipulator, global.SelectorEngine));
}(this, function (Data, EventHandler, Manipulator, SelectorEngine) { 'use strict';

  Data = Data && Data.hasOwnProperty('default') ? Data['default'] : Data;
  EventHandler = EventHandler && EventHandler.hasOwnProperty('default') ? EventHandler['default'] : EventHandler;
  Manipulator = Manipulator && Manipulator.hasOwnProperty('default') ? Manipulator['default'] : Manipulator;
  SelectorEngine = SelectorEngine && SelectorEngine.hasOwnProperty('default') ? SelectorEngine['default'] : SelectorEngine;

  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;
  }

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v4.3.1): util/index.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * --------------------------------------------------------------------------
   */
  var MILLISECONDS_MULTIPLIER = 1000;
  var TRANSITION_END = 'transitionend';
  var jQuery = window.jQuery; // Shoutout AngusCroll (https://goo.gl/pxwQGp)

  var toType = function toType(obj) {
    return {}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase();
  };

  var getSelectorFromElement = function getSelectorFromElement(element) {
    var selector = element.getAttribute('data-target');

    if (!selector || selector === '#') {
      var hrefAttr = element.getAttribute('href');
      selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : '';
    }

    try {
      return document.querySelector(selector) ? selector : null;
    } catch (err) {
      return null;
    }
  };

  var getTransitionDurationFromElement = function getTransitionDurationFromElement(element) {
    if (!element) {
      return 0;
    } // Get transition-duration of the element


    var _window$getComputedSt = window.getComputedStyle(element),
        transitionDuration = _window$getComputedSt.transitionDuration,
        transitionDelay = _window$getComputedSt.transitionDelay;

    var floatTransitionDuration = parseFloat(transitionDuration);
    var floatTransitionDelay = parseFloat(transitionDelay); // Return 0 if element or transition duration is not found

    if (!floatTransitionDuration && !floatTransitionDelay) {
      return 0;
    } // If multiple durations are defined, take the first


    transitionDuration = transitionDuration.split(',')[0];
    transitionDelay = transitionDelay.split(',')[0];
    return (parseFloat(transitionDuration) + parseFloat(transitionDelay)) * MILLISECONDS_MULTIPLIER;
  };

  var triggerTransitionEnd = function triggerTransitionEnd(element) {
    element.dispatchEvent(new Event(TRANSITION_END));
  };

  var isElement = function isElement(obj) {
    return (obj[0] || obj).nodeType;
  };

  var emulateTransitionEnd = function emulateTransitionEnd(element, duration) {
    var called = false;
    var durationPadding = 5;
    var emulatedDuration = duration + durationPadding;

    function listener() {
      called = true;
      element.removeEventListener(TRANSITION_END, listener);
    }

    element.addEventListener(TRANSITION_END, listener);
    setTimeout(function () {
      if (!called) {
        triggerTransitionEnd(element);
      }
    }, emulatedDuration);
  };

  var typeCheckConfig = function typeCheckConfig(componentName, config, configTypes) {
    Object.keys(configTypes).forEach(function (property) {
      var expectedTypes = configTypes[property];
      var value = config[property];
      var valueType = value && isElement(value) ? 'element' : toType(value);

      if (!new RegExp(expectedTypes).test(valueType)) {
        throw new Error(componentName.toUpperCase() + ": " + ("Option \"" + property + "\" provided type \"" + valueType + "\" ") + ("but expected type \"" + expectedTypes + "\"."));
      }
    });
  };

  var makeArray = function makeArray(nodeList) {
    if (!nodeList) {
      return [];
    }

    return [].slice.call(nodeList);
  };

  var isVisible = function isVisible(element) {
    if (!element) {
      return false;
    }

    if (element.style && element.parentNode && element.parentNode.style) {
      return element.style.display !== 'none' && element.parentNode.style.display !== 'none' && element.style.visibility !== 'hidden';
    }

    return false;
  };

  var reflow = function reflow(element) {
    return element.offsetHeight;
  };

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

  var NAME = 'modal';
  var VERSION = '4.3.1';
  var DATA_KEY = 'bs.modal';
  var EVENT_KEY = "." + DATA_KEY;
  var DATA_API_KEY = '.data-api';
  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$1 = {
    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 = {
    SCROLLABLE: 'modal-dialog-scrollable',
    SCROLLBAR_MEASURER: 'modal-scrollbar-measure',
    BACKDROP: 'modal-backdrop',
    OPEN: 'modal-open',
    FADE: 'fade',
    SHOW: 'show'
  };
  var Selector = {
    DIALOG: '.modal-dialog',
    MODAL_BODY: '.modal-body',
    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 = SelectorEngine.findOne(Selector.DIALOG, element);
      this._backdrop = null;
      this._isShown = false;
      this._isBodyOverflowing = false;
      this._ignoreBackdropClick = false;
      this._isTransitioning = false;
      this._scrollbarWidth = 0;
      Data.setData(element, DATA_KEY, this);
    } // 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.classList.contains(ClassName.FADE)) {
        this._isTransitioning = true;
      }

      var showEvent = EventHandler.trigger(this._element, Event$1.SHOW, {
        relatedTarget: 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$1.CLICK_DISMISS, Selector.DATA_DISMISS, function (event) {
        return _this.hide(event);
      });
      EventHandler.on(this._dialog, Event$1.MOUSEDOWN_DISMISS, function () {
        EventHandler.one(_this._element, Event$1.MOUSEUP_DISMISS, function (event) {
          if (event.target === _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 = EventHandler.trigger(this._element, Event$1.HIDE);

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

      this._isShown = false;

      var transition = this._element.classList.contains(ClassName.FADE);

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

      this._setEscapeEvent();

      this._setResizeEvent();

      EventHandler.off(document, Event$1.FOCUSIN);

      this._element.classList.remove(ClassName.SHOW);

      EventHandler.off(this._element, Event$1.CLICK_DISMISS);
      EventHandler.off(this._dialog, Event$1.MOUSEDOWN_DISMISS);

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

    _proto.dispose = function dispose() {
      [window, this._element, this._dialog].forEach(function (htmlElement) {
        return EventHandler.off(htmlElement, 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
       */

      EventHandler.off(document, Event$1.FOCUSIN);
      Data.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);
      typeCheckConfig(NAME, config, DefaultType);
      return config;
    };

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

      var transition = this._element.classList.contains(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);

      if (this._dialog.classList.contains(ClassName.SCROLLABLE)) {
        SelectorEngine.findOne(Selector.MODAL_BODY, this._dialog).scrollTop = 0;
      } else {
        this._element.scrollTop = 0;
      }

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

      this._element.classList.add(ClassName.SHOW);

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

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

        _this3._isTransitioning = false;
        EventHandler.trigger(_this3._element, Event$1.SHOWN, {
          relatedTarget: relatedTarget
        });
      };

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

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

      EventHandler.off(document, Event$1.FOCUSIN); // guard against infinite focus loop

      EventHandler.on(document, Event$1.FOCUSIN, function (event) {
        if (document !== event.target && _this4._element !== event.target && !_this4._element.contains(event.target)) {
          _this4._element.focus();
        }
      });
    };

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

      if (this._isShown && this._config.keyboard) {
        EventHandler.on(this._element, Event$1.KEYDOWN_DISMISS, function (event) {
          if (event.which === ESCAPE_KEYCODE) {
            event.preventDefault();

            _this5.hide();
          }
        });
      } else if (!this._isShown) {
        EventHandler.off(this._element, Event$1.KEYDOWN_DISMISS);
      }
    };

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

      if (this._isShown) {
        EventHandler.on(window, Event$1.RESIZE, function (event) {
          return _this6.handleUpdate(event);
        });
      } else {
        EventHandler.off(window, Event$1.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.classList.remove(ClassName.OPEN);

        _this7._resetAdjustments();

        _this7._resetScrollbar();

        EventHandler.trigger(_this7._element, Event$1.HIDDEN);
      });
    };

    _proto._removeBackdrop = function _removeBackdrop() {
      if (this._backdrop) {
        this._backdrop.parentNode.removeChild(this._backdrop);

        this._backdrop = null;
      }
    };

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

      var animate = this._element.classList.contains(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);
        }

        document.body.appendChild(this._backdrop);
        EventHandler.on(this._element, Event$1.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) {
          reflow(this._backdrop);
        }

        this._backdrop.classList.add(ClassName.SHOW);

        if (!callback) {
          return;
        }

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

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

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

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

        if (this._element.classList.contains(ClassName.FADE)) {
          var _backdropTransitionDuration = getTransitionDurationFromElement(this._backdrop);

          EventHandler.one(this._backdrop, TRANSITION_END, callbackRemove);
          emulateTransitionEnd(this._backdrop, _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
        // Adjust fixed content padding
        makeArray(SelectorEngine.find(Selector.FIXED_CONTENT)).forEach(function (element) {
          var actualPadding = element.style.paddingRight;
          var calculatedPadding = window.getComputedStyle(element)['padding-right'];
          Manipulator.setDataAttribute(element, 'padding-right', actualPadding);
          element.style.paddingRight = parseFloat(calculatedPadding) + _this9._scrollbarWidth + "px";
        }); // Adjust sticky content margin

        makeArray(SelectorEngine.find(Selector.STICKY_CONTENT)).forEach(function (element) {
          var actualMargin = element.style.marginRight;
          var calculatedMargin = window.getComputedStyle(element)['margin-right'];
          Manipulator.setDataAttribute(element, 'margin-right', actualMargin);
          element.style.marginRight = parseFloat(calculatedMargin) - _this9._scrollbarWidth + "px";
        }); // Adjust body padding

        var actualPadding = document.body.style.paddingRight;
        var calculatedPadding = window.getComputedStyle(document.body)['padding-right'];
        Manipulator.setDataAttribute(document.body, 'padding-right', actualPadding);
        document.body.style.paddingRight = parseFloat(calculatedPadding) + this._scrollbarWidth + "px";
      }

      document.body.classList.add(ClassName.OPEN);
    };

    _proto._resetScrollbar = function _resetScrollbar() {
      // Restore fixed content padding
      makeArray(SelectorEngine.find(Selector.FIXED_CONTENT)).forEach(function (element) {
        var padding = Manipulator.getDataAttribute(element, 'padding-right');

        if (typeof padding !== 'undefined') {
          Manipulator.removeDataAttribute(element, 'padding-right');
          element.style.paddingRight = padding;
        }
      }); // Restore sticky content and navbar-toggler margin

      makeArray(SelectorEngine.find("" + Selector.STICKY_CONTENT)).forEach(function (element) {
        var margin = Manipulator.getDataAttribute(element, 'margin-right');

        if (typeof margin !== 'undefined') {
          Manipulator.removeDataAttribute(element, 'margin-right');
          element.style.marginRight = margin;
        }
      }); // Restore body padding

      var padding = Manipulator.getDataAttribute(document.body, 'padding-right');

      if (typeof padding !== 'undefined') {
        Manipulator.removeDataAttribute(document.body, 'padding-right');
        document.body.style.paddingRight = padding;
      } else {
        document.body.style.paddingRight = '';
      }
    };

    _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 = Data.getData(this, DATA_KEY);

        var _config = _objectSpread({}, 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);
        } else if (_config.show) {
          data.show(relatedTarget);
        }
      });
    };

    Modal._getInstance = function _getInstance(element) {
      return Data.getData(element, DATA_KEY);
    };

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

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


  EventHandler.on(document, Event$1.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
    var _this10 = this;

    var target;
    var selector = getSelectorFromElement(this);

    if (selector) {
      target = SelectorEngine.findOne(selector);
    }

    var config = Data.getData(target, DATA_KEY) ? 'toggle' : _objectSpread({}, Manipulator.getDataAttributes(target), Manipulator.getDataAttributes(this));

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

    EventHandler.one(target, Event$1.SHOW, function (showEvent) {
      if (showEvent.defaultPrevented) {
        // only register focus restorer if modal will actually get shown
        return;
      }

      EventHandler.one(target, Event$1.HIDDEN, function () {
        if (isVisible(_this10)) {
          _this10.focus();
        }
      });
    });
    var data = Data.getData(target, DATA_KEY);

    if (!data) {
      data = new Modal(target, config);
    }

    data.show(this);
  });
  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   */

  if (typeof jQuery !== 'undefined') {
    var JQUERY_NO_CONFLICT = jQuery.fn[NAME];
    jQuery.fn[NAME] = Modal._jQueryInterface;
    jQuery.fn[NAME].Constructor = Modal;

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

  return Modal;

}));
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