text: (window["webpackJsonp"] = window["webpackJsonp"] || []).push([[135],{
  
  /***/ "./node_modules/sortablejs/modular/sortable.esm.js":
  /*!*********************************************************!*\
    !*** ./node_modules/sortablejs/modular/sortable.esm.js ***!
    \*********************************************************/
  /*! exports provided: default, MultiDrag, Sortable, Swap */
  /***/ (function(module, __webpack_exports__, __webpack_require__) {
  
  "use strict";
  __webpack_require__.r(__webpack_exports__);
  /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "MultiDrag", function() { return MultiDragPlugin; });
  /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "Sortable", function() { return Sortable; });
  /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "Swap", function() { return SwapPlugin; });
  /**!
   * Sortable 1.10.2
   * @author	RubaXa   <trash@rubaxa.org>
   * @author	owenm    <owen23355@gmail.com>
   * @license MIT
   */
  function _typeof(obj) {
    if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
      _typeof = function (obj) {
        return typeof obj;
      };
    } else {
      _typeof = function (obj) {
        return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
      };
    }
  
    return _typeof(obj);
  }
  
  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 _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);
  }
  
  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;
  }
  
  function _objectWithoutPropertiesLoose(source, excluded) {
    if (source == null) return {};
    var target = {};
    var sourceKeys = Object.keys(source);
    var key, i;
  
    for (i = 0; i < sourceKeys.length; i++) {
      key = sourceKeys[i];
      if (excluded.indexOf(key) >= 0) continue;
      target[key] = source[key];
    }
  
    return target;
  }
  
  function _objectWithoutProperties(source, excluded) {
    if (source == null) return {};
  
    var target = _objectWithoutPropertiesLoose(source, excluded);
  
    var key, i;
  
    if (Object.getOwnPropertySymbols) {
      var sourceSymbolKeys = Object.getOwnPropertySymbols(source);
  
      for (i = 0; i < sourceSymbolKeys.length; i++) {
        key = sourceSymbolKeys[i];
        if (excluded.indexOf(key) >= 0) continue;
        if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;
        target[key] = source[key];
      }
    }
  
    return target;
  }
  
  function _toConsumableArray(arr) {
    return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
  }
  
  function _arrayWithoutHoles(arr) {
    if (Array.isArray(arr)) {
      for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
  
      return arr2;
    }
  }
  
  function _iterableToArray(iter) {
    if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
  }
  
  function _nonIterableSpread() {
    throw new TypeError("Invalid attempt to spread non-iterable instance");
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  var version = "1.10.2";
  
  function userAgent(pattern) {
    if (typeof window !== 'undefined' && window.navigator) {
      return !!
      /*@__PURE__*/
      navigator.userAgent.match(pattern);
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  var IE11OrLess = userAgent(/(?:Trident.*rv[ :]?11\.|msie|iemobile|Windows Phone)/i);
  var Edge = userAgent(/Edge/i);
  var FireFox = userAgent(/firefox/i);
  var Safari = userAgent(/safari/i) && !userAgent(/chrome/i) && !userAgent(/android/i);
  var IOS = userAgent(/iP(ad|od|hone)/i);
  var ChromeForAndroid = userAgent(/chrome/i) && userAgent(/android/i);
  
  var captureMode = {
    capture: false,
    passive: false
  };
  
  function on(el, event, fn) {
    el.addEventListener(event, fn, !IE11OrLess && captureMode);
  }
  
  function off(el, event, fn) {
    el.removeEventListener(event, fn, !IE11OrLess && captureMode);
  }
  
  function matches(
  /**HTMLElement*/
  el,
  /**String*/
  selector) {
    if (!selector) return;
    selector[0] === '>' && (selector = selector.substring(1));
  
    if (el) {
      try {
        if (el.matches) {
          return el.matches(selector);
        } else if (el.msMatchesSelector) {
          return el.msMatchesSelector(selector);
        } else if (el.webkitMatchesSelector) {
          return el.webkitMatchesSelector(selector);
        }
      } catch (_) {
        return false;
      }
    }
  
    return false;
  }
  
  function getParentOrHost(el) {
    return el.host && el !== document && el.host.nodeType ? el.host : el.parentNode;
  }
  
  function closest(
  /**HTMLElement*/
  el,
  /**String*/
  selector,
  /**HTMLElement*/
  ctx, includeCTX) {
    if (el) {
      ctx = ctx || document;
  
      do {
        if (selector != null && (selector[0] === '>' ? el.parentNode === ctx && matches(el, selector) : matches(el, selector)) || includeCTX && el === ctx) {
          return el;
        }
  
        if (el === ctx) break;
        /* jshint boss:true */
      } while (el = getParentOrHost(el));
    }
  
    return null;
  }
  
  var R_SPACE = /\s+/g;
  
  function toggleClass(el, name, state) {
    if (el && name) {
      if (el.classList) {
        el.classList[state ? 'add' : 'remove'](name);
      } else {
        var className = (' ' + el.className + ' ').replace(R_SPACE, ' ').replace(' ' + name + ' ', ' ');
        el.className = (className + (state ? ' ' + name : '')).replace(R_SPACE, ' ');
      }
    }
  }
  
  function css(el, prop, val) {
    var style = el && el.style;
  
    if (style) {
      if (val === void 0) {
        if (document.defaultView && document.defaultView.getComputedStyle) {
          val = document.defaultView.getComputedStyle(el, '');
        } else if (el.currentStyle) {
          val = el.currentStyle;
        }
  
        return prop === void 0 ? val : val[prop];
      } else {
        if (!(prop in style) && prop.indexOf('webkit') === -1) {
          prop = '-webkit-' + prop;
        }
  
        style[prop] = val + (typeof val === 'string' ? '' : 'px');
      }
    }
  }
  
  function matrix(el, selfOnly) {
    var appliedTransforms = '';
  
    if (typeof el === 'string') {
      appliedTransforms = el;
    } else {
      do {
        var transform = css(el, 'transform');
  
        if (transform && transform !== 'none') {
          appliedTransforms = transform + ' ' + appliedTransforms;
        }
        /* jshint boss:true */
  
      } while (!selfOnly && (el = el.parentNode));
    }
  
    var matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix || window.MSCSSMatrix;
    /*jshint -W056 */
  
    return matrixFn && new matrixFn(appliedTransforms);
  }
  
  function find(ctx, tagName, iterator) {
    if (ctx) {
      var list = ctx.getElementsByTagName(tagName),
          i = 0,
          n = list.length;
  
      if (iterator) {
        for (; i < n; i++) {
          iterator(list[i], i);
        }
      }
  
      return list;
    }
  
    return [];
  }
  
  function getWindowScrollingElement() {
    var scrollingElement = document.scrollingElement;
  
    if (scrollingElement) {
      return scrollingElement;
    } else {
      return document.documentElement;
    }
  }
  /**
   * Returns the "bounding client rect" of given element
   * @param  {HTMLElement} el                       The element whose boundingClientRect is wanted
   * @param  {[Boolean]} relativeToContainingBlock  Whether the rect should be relative to the containing block of (including) the container
   * @param  {[Boolean]} relativeToNonStaticParent  Whether the rect should be relative to the relative parent of (including) the contaienr
   * @param  {[Boolean]} undoScale                  Whether the container's scale() should be undone
   * @param  {[HTMLElement]} container              The parent the element will be placed in
   * @return {Object}                               The boundingClientRect of el, with specified adjustments
   */
  
  
  function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoScale, container) {
    if (!el.getBoundingClientRect && el !== window) return;
    var elRect, top, left, bottom, right, height, width;
  
    if (el !== window && el !== getWindowScrollingElement()) {
      elRect = el.getBoundingClientRect();
      top = elRect.top;
      left = elRect.left;
      bottom = elRect.bottom;
      right = elRect.right;
      height = elRect.height;
      width = elRect.width;
    } else {
      top = 0;
      left = 0;
      bottom = window.innerHeight;
      right = window.innerWidth;
      height = window.innerHeight;
      width = window.innerWidth;
    }
  
    if ((relativeToContainingBlock || relativeToNonStaticParent) && el !== window) {
      // Adjust for translate()
      container = container || el.parentNode; // solves #1123 (see: https://stackoverflow.com/a/37953806/6088312)
      // Not needed on <= IE11
  
      if (!IE11OrLess) {
        do {
          if (container && container.getBoundingClientRect && (css(container, 'transform') !== 'none' || relativeToNonStaticParent && css(container, 'position') !== 'static')) {
            var containerRect = container.getBoundingClientRect(); // Set relative to edges of padding box of container
  
            top -= containerRect.top + parseInt(css(container, 'border-top-width'));
            left -= containerRect.left + parseInt(css(container, 'border-left-width'));
            bottom = top + elRect.height;
            right = left + elRect.width;
            break;
          }
          /* jshint boss:true */
  
        } while (container = container.parentNode);
      }
    }
  
    if (undoScale && el !== window) {
      // Adjust for scale()
      var elMatrix = matrix(container || el),
          scaleX = elMatrix && elMatrix.a,
          scaleY = elMatrix && elMatrix.d;
  
      if (elMatrix) {
        top /= scaleY;
        left /= scaleX;
        width /= scaleX;
        height /= scaleY;
        bottom = top + height;
        right = left + width;
      }
    }
  
    return {
      top: top,
      left: left,
      bottom: bottom,
      right: right,
      width: width,
      height: height
    };
  }
  /**
   * Checks if a side of an element is scrolled past a side of its parents
   * @param  {HTMLElement}  el           The element who's side being scrolled out of view is in question
   * @param  {String}       elSide       Side of the element in question ('top', 'left', 'right', 'bottom')
   * @param  {String}       parentSide   Side of the parent in question ('top', 'left', 'right', 'bottom')
   * @return {HTMLElement}               The parent scroll element that the el's side is scrolled past, or null if there is no such element
   */
  
  
  function isScrolledPast(el, elSide, parentSide) {
    var parent = getParentAutoScrollElement(el, true),
        elSideVal = getRect(el)[elSide];
    /* jshint boss:true */
  
    while (parent) {
      var parentSideVal = getRect(parent)[parentSide],
          visible = void 0;
  
      if (parentSide === 'top' || parentSide === 'left') {
        visible = elSideVal >= parentSideVal;
      } else {
        visible = elSideVal <= parentSideVal;
      }
  
      if (!visible) return parent;
      if (parent === getWindowScrollingElement()) break;
      parent = getParentAutoScrollElement(parent, false);
    }
  
    return false;
  }
  /**
   * Gets nth child of el, ignoring hidden children, sortable's elements (does not ignore clone if it's visible)
   * and non-draggable elements
   * @param  {HTMLElement} el       The parent element
   * @param  {Number} childNum      The index of the child
   * @param  {Object} options       Parent Sortable's options
   * @return {HTMLElement}          The child at index childNum, or null if not found
   */
  
  
  function getChild(el, childNum, options) {
    var currentChild = 0,
        i = 0,
        children = el.children;
  
    while (i < children.length) {
      if (children[i].style.display !== 'none' && children[i] !== Sortable.ghost && children[i] !== Sortable.dragged && closest(children[i], options.draggable, el, false)) {
        if (currentChild === childNum) {
          return children[i];
        }
  
        currentChild++;
      }
  
      i++;
    }
  
    return null;
  }
  /**
   * Gets the last child in the el, ignoring ghostEl or invisible elements (clones)
   * @param  {HTMLElement} el       Parent element
   * @param  {selector} selector    Any other elements that should be ignored
   * @return {HTMLElement}          The last child, ignoring ghostEl
   */
  
  
  function lastChild(el, selector) {
    var last = el.lastElementChild;
  
    while (last && (last === Sortable.ghost || css(last, 'display') === 'none' || selector && !matches(last, selector))) {
      last = last.previousElementSibling;
    }
  
    return last || null;
  }
  /**
   * Returns the index of an element within its parent for a selected set of
   * elements
   * @param  {HTMLElement} el
   * @param  {selector} selector
   * @return {number}
   */
  
  
  function index(el, selector) {
    var index = 0;
  
    if (!el || !el.parentNode) {
      return -1;
    }
    /* jshint boss:true */
  
  
    while (el = el.previousElementSibling) {
      if (el.nodeName.toUpperCase() !== 'TEMPLATE' && el !== Sortable.clone && (!selector || matches(el, selector))) {
        index++;
      }
    }
  
    return index;
  }
  /**
   * Returns the scroll offset of the given element, added with all the scroll offsets of parent elements.
   * The value is returned in real pixels.
   * @param  {HTMLElement} el
   * @return {Array}             Offsets in the format of [left, top]
   */
  
  
  function getRelativeScrollOffset(el) {
    var offsetLeft = 0,
        offsetTop = 0,
        winScroller = getWindowScrollingElement();
  
    if (el) {
      do {
        var elMatrix = matrix(el),
            scaleX = elMatrix.a,
            scaleY = elMatrix.d;
        offsetLeft += el.scrollLeft * scaleX;
        offsetTop += el.scrollTop * scaleY;
      } while (el !== winScroller && (el = el.parentNode));
    }
  
    return [offsetLeft, offsetTop];
  }
  /**
   * Returns the index of the object within the given array
   * @param  {Array} arr   Array that may or may not hold the object
   * @param  {Object} obj  An object that has a key-value pair unique to and identical to a key-value pair in the object you want to find
   * @return {Number}      The index of the object in the array, or -1
   */
  
  
  function indexOfObject(arr, obj) {
    for (var i in arr) {
      if (!arr.hasOwnProperty(i)) continue;
  
      for (var key in obj) {
        if (obj.hasOwnProperty(key) && obj[key] === arr[i][key]) return Number(i);
      }
    }
  
    return -1;
  }
  
  function getParentAutoScrollElement(el, includeSelf) {
    // skip to window
    if (!el || !el.getBoundingClientRect) return getWindowScrollingElement();
    var elem = el;
    var gotSelf = false;
  
    do {
      // we don't need to get elem css if it isn't even overflowing in the first place (performance)
      if (elem.clientWidth < elem.scrollWidth || elem.clientHeight < elem.scrollHeight) {
        var elemCSS = css(elem);
  
        if (elem.clientWidth < elem.scrollWidth && (elemCSS.overflowX == 'auto' || elemCSS.overflowX == 'scroll') || elem.clientHeight < elem.scrollHeight && (elemCSS.overflowY == 'auto' || elemCSS.overflowY == 'scroll')) {
          if (!elem.getBoundingClientRect || elem === document.body) return getWindowScrollingElement();
          if (gotSelf || includeSelf) return elem;
          gotSelf = true;
        }
      }
      /* jshint boss:true */
  
    } while (elem = elem.parentNode);
  
    return getWindowScrollingElement();
  }
  
  function extend(dst, src) {
    if (dst && src) {
      for (var key in src) {
        if (src.hasOwnProperty(key)) {
          dst[key] = src[key];
        }
      }
    }
  
    return dst;
  }
  
  function isRectEqual(rect1, rect2) {
    return Math.round(rect1.top) === Math.round(rect2.top) && Math.round(rect1.left) === Math.round(rect2.left) && Math.round(rect1.height) === Math.round(rect2.height) && Math.round(rect1.width) === Math.round(rect2.width);
  }
  
  var _throttleTimeout;
  
  function throttle(callback, ms) {
    return function () {
      if (!_throttleTimeout) {
        var args = arguments,
            _this = this;
  
        if (args.length === 1) {
          callback.call(_this, args[0]);
        } else {
          callback.apply(_this, args);
        }
  
        _throttleTimeout = setTimeout(function () {
          _throttleTimeout = void 0;
        }, ms);
      }
    };
  }
  
  function cancelThrottle() {
    clearTimeout(_throttleTimeout);
    _throttleTimeout = void 0;
  }
  
  function scrollBy(el, x, y) {
    el.scrollLeft += x;
    el.scrollTop += y;
  }
  
  function clone(el) {
    var Polymer = window.Polymer;
    var $ = window.jQuery || window.Zepto;
  
    if (Polymer && Polymer.dom) {
      return Polymer.dom(el).cloneNode(true);
    } else if ($) {
      return $(el).clone(true)[0];
    } else {
      return el.cloneNode(true);
    }
  }
  
  function setRect(el, rect) {
    css(el, 'position', 'absolute');
    css(el, 'top', rect.top);
    css(el, 'left', rect.left);
    css(el, 'width', rect.width);
    css(el, 'height', rect.height);
  }
  
  function unsetRect(el) {
    css(el, 'position', '');
    css(el, 'top', '');
    css(el, 'left', '');
    css(el, 'width', '');
    css(el, 'height', '');
  }
  
  var expando = 'Sortable' + new Date().getTime();
  
  function AnimationStateManager() {
    var animationStates = [],
        animationCallbackId;
    return {
      captureAnimationState: function captureAnimationState() {
        animationStates = [];
        if (!this.options.animation) return;
        var children = [].slice.call(this.el.children);
        children.forEach(function (child) {
          if (css(child, 'display') === 'none' || child === Sortable.ghost) return;
          animationStates.push({
            target: child,
            rect: getRect(child)
          });
  
          var fromRect = _objectSpread({}, animationStates[animationStates.length - 1].rect); // If animating: compensate for current animation
  
  
          if (child.thisAnimationDuration) {
            var childMatrix = matrix(child, true);
  
            if (childMatrix) {
              fromRect.top -= childMatrix.f;
              fromRect.left -= childMatrix.e;
            }
          }
  
          child.fromRect = fromRect;
        });
      },
      addAnimationState: function addAnimationState(state) {
        animationStates.push(state);
      },
      removeAnimationState: function removeAnimationState(target) {
        animationStates.splice(indexOfObject(animationStates, {
          target: target
        }), 1);
      },
      animateAll: function animateAll(callback) {
        var _this = this;
  
        if (!this.options.animation) {
          clearTimeout(animationCallbackId);
          if (typeof callback === 'function') callback();
          return;
        }
  
        var animating = false,
            animationTime = 0;
        animationStates.forEach(function (state) {
          var time = 0,
              target = state.target,
              fromRect = target.fromRect,
              toRect = getRect(target),
              prevFromRect = target.prevFromRect,
              prevToRect = target.prevToRect,
              animatingRect = state.rect,
              targetMatrix = matrix(target, true);
  
          if (targetMatrix) {
            // Compensate for current animation
            toRect.top -= targetMatrix.f;
            toRect.left -= targetMatrix.e;
          }
  
          target.toRect = toRect;
  
          if (target.thisAnimationDuration) {
            // Could also check if animatingRect is between fromRect and toRect
            if (isRectEqual(prevFromRect, toRect) && !isRectEqual(fromRect, toRect) && // Make sure animatingRect is on line between toRect & fromRect
            (animatingRect.top - toRect.top) / (animatingRect.left - toRect.left) === (fromRect.top - toRect.top) / (fromRect.left - toRect.left)) {
              // If returning to same place as started from animation and on same axis
              time = calculateRealTime(animatingRect, prevFromRect, prevToRect, _this.options);
            }
          } // if fromRect != toRect: animate
  
  
          if (!isRectEqual(toRect, fromRect)) {
            target.prevFromRect = fromRect;
            target.prevToRect = toRect;
  
            if (!time) {
              time = _this.options.animation;
            }
  
            _this.animate(target, animatingRect, toRect, time);
          }
  
          if (time) {
            animating = true;
            animationTime = Math.max(animationTime, time);
            clearTimeout(target.animationResetTimer);
            target.animationResetTimer = setTimeout(function () {
              target.animationTime = 0;
              target.prevFromRect = null;
              target.fromRect = null;
              target.prevToRect = null;
              target.thisAnimationDuration = null;
            }, time);
            target.thisAnimationDuration = time;
          }
        });
        clearTimeout(animationCallbackId);
  
        if (!animating) {
          if (typeof callback === 'function') callback();
        } else {
          animationCallbackId = setTimeout(function () {
            if (typeof callback === 'function') callback();
          }, animationTime);
        }
  
        animationStates = [];
      },
      animate: function animate(target, currentRect, toRect, duration) {
        if (duration) {
          css(target, 'transition', '');
          css(target, 'transform', '');
          var elMatrix = matrix(this.el),
              scaleX = elMatrix && elMatrix.a,
              scaleY = elMatrix && elMatrix.d,
              translateX = (currentRect.left - toRect.left) / (scaleX || 1),
              translateY = (currentRect.top - toRect.top) / (scaleY || 1);
          target.animatingX = !!translateX;
          target.animatingY = !!translateY;
          css(target, 'transform', 'translate3d(' + translateX + 'px,' + translateY + 'px,0)');
          repaint(target); // repaint
  
          css(target, 'transition', 'transform ' + duration + 'ms' + (this.options.easing ? ' ' + this.options.easing : ''));
          css(target, 'transform', 'translate3d(0,0,0)');
          typeof target.animated === 'number' && clearTimeout(target.animated);
          target.animated = setTimeout(function () {
            css(target, 'transition', '');
            css(target, 'transform', '');
            target.animated = false;
            target.animatingX = false;
            target.animatingY = false;
          }, duration);
        }
      }
    };
  }
  
  function repaint(target) {
    return target.offsetWidth;
  }
  
  function calculateRealTime(animatingRect, fromRect, toRect, options) {
    return Math.sqrt(Math.pow(fromRect.top - animatingRect.top, 2) + Math.pow(fromRect.left - animatingRect.left, 2)) / Math.sqrt(Math.pow(fromRect.top - toRect.top, 2) + Math.pow(fromRect.left - toRect.left, 2)) * options.animation;
  }
  
  var plugins = [];
  var defaults = {
    initializeByDefault: true
  };
  var PluginManager = {
    mount: function mount(plugin) {
      // Set default static properties
      for (var option in defaults) {
        if (defaults.hasOwnProperty(option) && !(option in plugin)) {
          plugin[option] = defaults[option];
        }
      }
  
      plugins.push(plugin);
    },
    pluginEvent: function pluginEvent(eventName, sortable, evt) {
      var _this = this;
  
      this.eventCanceled = false;
  
      evt.cancel = function () {
        _this.eventCanceled = true;
      };
  
      var eventNameGlobal = eventName + 'Global';
      plugins.forEach(function (plugin) {
        if (!sortable[plugin.pluginName]) return; // Fire global events if it exists in this sortable
  
        if (sortable[plugin.pluginName][eventNameGlobal]) {
          sortable[plugin.pluginName][eventNameGlobal](_objectSpread({
            sortable: sortable
          }, evt));
        } // Only fire plugin event if plugin is enabled in this sortable,
        // and plugin has event defined
  
  
        if (sortable.options[plugin.pluginName] && sortable[plugin.pluginName][eventName]) {
          sortable[plugin.pluginName][eventName](_objectSpread({
            sortable: sortable
          }, evt));
        }
      });
    },
    initializePlugins: function initializePlugins(sortable, el, defaults, options) {
      plugins.forEach(function (plugin) {
        var pluginName = plugin.pluginName;
        if (!sortable.options[pluginName] && !plugin.initializeByDefault) return;
        var initialized = new plugin(sortable, el, sortable.options);
        initialized.sortable = sortable;
        initialized.options = sortable.options;
        sortable[pluginName] = initialized; // Add default options from plugin
  
        _extends(defaults, initialized.defaults);
      });
  
      for (var option in sortable.options) {
        if (!sortable.options.hasOwnProperty(option)) continue;
        var modified = this.modifyOption(sortable, option, sortable.options[option]);
  
        if (typeof modified !== 'undefined') {
          sortable.options[option] = modified;
        }
      }
    },
    getEventProperties: function getEventProperties(name, sortable) {
      var eventProperties = {};
      plugins.forEach(function (plugin) {
        if (typeof plugin.eventProperties !== 'function') return;
  
        _extends(eventProperties, plugin.eventProperties.call(sortable[plugin.pluginName], name));
      });
      return eventProperties;
    },
    modifyOption: function modifyOption(sortable, name, value) {
      var modifiedValue;
      plugins.forEach(function (plugin) {
        // Plugin must exist on the Sortable
        if (!sortable[plugin.pluginName]) return; // If static option listener exists for this option, call in the context of the Sortable's instance of this plugin
  
        if (plugin.optionListeners && typeof plugin.optionListeners[name] === 'function') {
          modifiedValue = plugin.optionListeners[name].call(sortable[plugin.pluginName], value);
        }
      });
      return modifiedValue;
    }
  };
  
  function dispatchEvent(_ref) {
    var sortable = _ref.sortable,
        rootEl = _ref.rootEl,
        name = _ref.name,
        targetEl = _ref.targetEl,
        cloneEl = _ref.cloneEl,
        toEl = _ref.toEl,
        fromEl = _ref.fromEl,
        oldIndex = _ref.oldIndex,
        newIndex = _ref.newIndex,
        oldDraggableIndex = _ref.oldDraggableIndex,
        newDraggableIndex = _ref.newDraggableIndex,
        originalEvent = _ref.originalEvent,
        putSortable = _ref.putSortable,
        extraEventProperties = _ref.extraEventProperties;
    sortable = sortable || rootEl && rootEl[expando];
    if (!sortable) return;
    var evt,
        options = sortable.options,
        onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1); // Support for new CustomEvent feature
  
    if (window.CustomEvent && !IE11OrLess && !Edge) {
      evt = new CustomEvent(name, {
        bubbles: true,
        cancelable: true
      });
    } else {
      evt = document.createEvent('Event');
      evt.initEvent(name, true, true);
    }
  
    evt.to = toEl || rootEl;
    evt.from = fromEl || rootEl;
    evt.item = targetEl || rootEl;
    evt.clone = cloneEl;
    evt.oldIndex = oldIndex;
    evt.newIndex = newIndex;
    evt.oldDraggableIndex = oldDraggableIndex;
    evt.newDraggableIndex = newDraggableIndex;
    evt.originalEvent = originalEvent;
    evt.pullMode = putSortable ? putSortable.lastPutMode : undefined;
  
    var allEventProperties = _objectSpread({}, extraEventProperties, PluginManager.getEventProperties(name, sortable));
  
    for (var option in allEventProperties) {
      evt[option] = allEventProperties[option];
    }
  
    if (rootEl) {
      rootEl.dispatchEvent(evt);
    }
  
    if (options[onName]) {
      options[onName].call(sortable, evt);
    }
  }
  
  var pluginEvent = function pluginEvent(eventName, sortable) {
    var _ref = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
        originalEvent = _ref.evt,
        data = _objectWithoutProperties(_ref, ["evt"]);
  
    PluginManager.pluginEvent.bind(Sortable)(eventName, sortable, _objectSpread({
      dragEl: dragEl,
      parentEl: parentEl,
      ghostEl: ghostEl,
      rootEl: rootEl,
      nextEl: nextEl,
      lastDownEl: lastDownEl,
      cloneEl: cloneEl,
      cloneHidden: cloneHidden,
      dragStarted: moved,
      putSortable: putSortable,
      activeSortable: Sortable.active,
      originalEvent: originalEvent,
      oldIndex: oldIndex,
      oldDraggableIndex: oldDraggableIndex,
      newIndex: newIndex,
      newDraggableIndex: newDraggableIndex,
      hideGhostForTarget: _hideGhostForTarget,
      unhideGhostForTarget: _unhideGhostForTarget,
      cloneNowHidden: function cloneNowHidden() {
        cloneHidden = true;
      },
      cloneNowShown: function cloneNowShown() {
        cloneHidden = false;
      },
      dispatchSortableEvent: function dispatchSortableEvent(name) {
        _dispatchEvent({
          sortable: sortable,
          name: name,
          originalEvent: originalEvent
        });
      }
    }, data));
  };
  
  function _dispatchEvent(info) {
    dispatchEvent(_objectSpread({
      putSortable: putSortable,
      cloneEl: cloneEl,
      targetEl: dragEl,
      rootEl: rootEl,
      oldIndex: oldIndex,
      oldDraggableIndex: oldDraggableIndex,
      newIndex: newIndex,
      newDraggableIndex: newDraggableIndex
    }, info));
  }
  
  var dragEl,
      parentEl,
      ghostEl,
      rootEl,
      nextEl,
      lastDownEl,
      cloneEl,
      cloneHidden,
      oldIndex,
      newIndex,
      oldDraggableIndex,
      newDraggableIndex,
      activeGroup,
      putSortable,
      awaitingDragStarted = false,
      ignoreNextClick = false,
      sortables = [],
      tapEvt,
      touchEvt,
      lastDx,
      lastDy,
      tapDistanceLeft,
      tapDistanceTop,
      moved,
      lastTarget,
      lastDirection,
      pastFirstInvertThresh = false,
      isCircumstantialInvert = false,
      targetMoveDistance,
      // For positioning ghost absolutely
  ghostRelativeParent,
      ghostRelativeParentInitialScroll = [],
      // (left, top)
  _silent = false,
      savedInputChecked = [];
  /** @const */
  
  var documentExists = typeof document !== 'undefined',
      PositionGhostAbsolutely = IOS,
      CSSFloatProperty = Edge || IE11OrLess ? 'cssFloat' : 'float',
      // This will not pass for IE9, because IE9 DnD only works on anchors
  supportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in document.createElement('div'),
      supportCssPointerEvents = function () {
    if (!documentExists) return; // false when <= IE11
  
    if (IE11OrLess) {
      return false;
    }
  
    var el = document.createElement('x');
    el.style.cssText = 'pointer-events:auto';
    return el.style.pointerEvents === 'auto';
  }(),
      _detectDirection = function _detectDirection(el, options) {
    var elCSS = css(el),
        elWidth = parseInt(elCSS.width) - parseInt(elCSS.paddingLeft) - parseInt(elCSS.paddingRight) - parseInt(elCSS.borderLeftWidth) - parseInt(elCSS.borderRightWidth),
        child1 = getChild(el, 0, options),
        child2 = getChild(el, 1, options),
        firstChildCSS = child1 && css(child1),
        secondChildCSS = child2 && css(child2),
        firstChildWidth = firstChildCSS && parseInt(firstChildCSS.marginLeft) + parseInt(firstChildCSS.marginRight) + getRect(child1).width,
        secondChildWidth = secondChildCSS && parseInt(secondChildCSS.marginLeft) + parseInt(secondChildCSS.marginRight) + getRect(child2).width;
  
    if (elCSS.display === 'flex') {
      return elCSS.flexDirection === 'column' || elCSS.flexDirection === 'column-reverse' ? 'vertical' : 'horizontal';
    }
  
    if (elCSS.display === 'grid') {
      return elCSS.gridTemplateColumns.split(' ').length <= 1 ? 'vertical' : 'horizontal';
    }
  
    if (child1 && firstChildCSS["float"] && firstChildCSS["float"] !== 'none') {
      var touchingSideChild2 = firstChildCSS["float"] === 'left' ? 'left' : 'right';
      return child2 && (secondChildCSS.clear === 'both' || secondChildCSS.clear === touchingSideChild2) ? 'vertical' : 'horizontal';
    }
  
    return child1 && (firstChildCSS.display === 'block' || firstChildCSS.display === 'flex' || firstChildCSS.display === 'table' || firstChildCSS.display === 'grid' || firstChildWidth >= elWidth && elCSS[CSSFloatProperty] === 'none' || child2 && elCSS[CSSFloatProperty] === 'none' && firstChildWidth + secondChildWidth > elWidth) ? 'vertical' : 'horizontal';
  },
      _dragElInRowColumn = function _dragElInRowColumn(dragRect, targetRect, vertical) {
    var dragElS1Opp = vertical ? dragRect.left : dragRect.top,
        dragElS2Opp = vertical ? dragRect.right : dragRect.bottom,
        dragElOppLength = vertical ? dragRect.width : dragRect.height,
        targetS1Opp = vertical ? targetRect.left : targetRect.top,
        targetS2Opp = vertical ? targetRect.right : targetRect.bottom,
        targetOppLength = vertical ? targetRect.width : targetRect.height;
    return dragElS1Opp === targetS1Opp || dragElS2Opp === targetS2Opp || dragElS1Opp + dragElOppLength / 2 === targetS1Opp + targetOppLength / 2;
  },
  
  /**
   * Detects first nearest empty sortable to X and Y position using emptyInsertThreshold.
   * @param  {Number} x      X position
   * @param  {Number} y      Y position
   * @return {HTMLElement}   Element of the first found nearest Sortable
   */
  _detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) {
    var ret;
    sortables.some(function (sortable) {
      if (lastChild(sortable)) return;
      var rect = getRect(sortable),
          threshold = sortable[expando].options.emptyInsertThreshold,
          insideHorizontally = x >= rect.left - threshold && x <= rect.right + threshold,
          insideVertically = y >= rect.top - threshold && y <= rect.bottom + threshold;
  
      if (threshold && insideHorizontally && insideVertically) {
        return ret = sortable;
      }
    });
    return ret;
  },
      _prepareGroup = function _prepareGroup(options) {
    function toFn(value, pull) {
      return function (to, from, dragEl, evt) {
        var sameGroup = to.options.group.name && from.options.group.name && to.options.group.name === from.options.group.name;
  
        if (value == null && (pull || sameGroup)) {
          // Default pull value
          // Default pull and put value if same group
          return true;
        } else if (value == null || value === false) {
          return false;
        } else if (pull && value === 'clone') {
          return value;
        } else if (typeof value === 'function') {
          return toFn(value(to, from, dragEl, evt), pull)(to, from, dragEl, evt);
        } else {
          var otherGroup = (pull ? to : from).options.group.name;
          return value === true || typeof value === 'string' && value === otherGroup || value.join && value.indexOf(otherGroup) > -1;
        }
      };
    }
  
    var group = {};
    var originalGroup = options.group;
  
    if (!originalGroup || _typeof(originalGroup) != 'object') {
      originalGroup = {
        name: originalGroup
      };
    }
  
    group.name = originalGroup.name;
    group.checkPull = toFn(originalGroup.pull, true);
    group.checkPut = toFn(originalGroup.put);
    group.revertClone = originalGroup.revertClone;
    options.group = group;
  },
      _hideGhostForTarget = function _hideGhostForTarget() {
    if (!supportCssPointerEvents && ghostEl) {
      css(ghostEl, 'display', 'none');
    }
  },
      _unhideGhostForTarget = function _unhideGhostForTarget() {
    if (!supportCssPointerEvents && ghostEl) {
      css(ghostEl, 'display', '');
    }
  }; // #1184 fix - Prevent click event on fallback if dragged but item not changed position
  
  
  if (documentExists) {
    document.addEventListener('click', function (evt) {
      if (ignoreNextClick) {
        evt.preventDefault();
        evt.stopPropagation && evt.stopPropagation();
        evt.stopImmediatePropagation && evt.stopImmediatePropagation();
        ignoreNextClick = false;
        return false;
      }
    }, true);
  }
  
  var nearestEmptyInsertDetectEvent = function nearestEmptyInsertDetectEvent(evt) {
    if (dragEl) {
      evt = evt.touches ? evt.touches[0] : evt;
  
      var nearest = _detectNearestEmptySortable(evt.clientX, evt.clientY);
  
      if (nearest) {
        // Create imitation event
        var event = {};
  
        for (var i in evt) {
          if (evt.hasOwnProperty(i)) {
            event[i] = evt[i];
          }
        }
  
        event.target = event.rootEl = nearest;
        event.preventDefault = void 0;
        event.stopPropagation = void 0;
  
        nearest[expando]._onDragOver(event);
      }
    }
  };
  
  var _checkOutsideTargetEl = function _checkOutsideTargetEl(evt) {
    if (dragEl) {
      dragEl.parentNode[expando]._isOutsideThisEl(evt.target);
    }
  };
  /**
   * @class  Sortable
   * @param  {HTMLElement}  el
   * @param  {Object}       [options]
   */
  
  
  function Sortable(el, options) {
    if (!(el && el.nodeType && el.nodeType === 1)) {
      throw "Sortable: `el` must be an HTMLElement, not ".concat({}.toString.call(el));
    }
  
    this.el = el; // root element
  
    this.options = options = _extends({}, options); // Export instance
  
    el[expando] = this;
    var defaults = {
      group: null,
      sort: true,
      disabled: false,
      store: null,
      handle: null,
      draggable: /^[uo]l$/i.test(el.nodeName) ? '>li' : '>*',
      swapThreshold: 1,
      // percentage; 0 <= x <= 1
      invertSwap: false,
      // invert always
      invertedSwapThreshold: null,
      // will be set to same as swapThreshold if default
      removeCloneOnHide: true,
      direction: function direction() {
        return _detectDirection(el, this.options);
      },
      ghostClass: 'sortable-ghost',
      chosenClass: 'sortable-chosen',
      dragClass: 'sortable-drag',
      ignore: 'a, img',
      filter: null,
      preventOnFilter: true,
      animation: 0,
      easing: null,
      setData: function setData(dataTransfer, dragEl) {
        dataTransfer.setData('Text', dragEl.textContent);
      },
      dropBubble: false,
      dragoverBubble: false,
      dataIdAttr: 'data-id',
      delay: 0,
      delayOnTouchOnly: false,
      touchStartThreshold: (Number.parseInt ? Number : window).parseInt(window.devicePixelRatio, 10) || 1,
      forceFallback: false,
      fallbackClass: 'sortable-fallback',
      fallbackOnBody: false,
      fallbackTolerance: 0,
      fallbackOffset: {
        x: 0,
        y: 0
      },
      supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window,
      emptyInsertThreshold: 5
    };
    PluginManager.initializePlugins(this, el, defaults); // Set default options
  
    for (var name in defaults) {
      !(name in options) && (options[name] = defaults[name]);
    }
  
    _prepareGroup(options); // Bind all private methods
  
  
    for (var fn in this) {
      if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {
        this[fn] = this[fn].bind(this);
      }
    } // Setup drag mode
  
  
    this.nativeDraggable = options.forceFallback ? false : supportDraggable;
  
    if (this.nativeDraggable) {
      // Touch start threshold cannot be greater than the native dragstart threshold
      this.options.touchStartThreshold = 1;
    } // Bind events
  
  
    if (options.supportPointer) {
      on(el, 'pointerdown', this._onTapStart);
    } else {
      on(el, 'mousedown', this._onTapStart);
      on(el, 'touchstart', this._onTapStart);
    }
  
    if (this.nativeDraggable) {
      on(el, 'dragover', this);
      on(el, 'dragenter', this);
    }
  
    sortables.push(this.el); // Restore sorting
  
    options.store && options.store.get && this.sort(options.store.get(this) || []); // Add animation state manager
  
    _extends(this, AnimationStateManager());
  }
  
  Sortable.prototype =
  /** @lends Sortable.prototype */
  {
    constructor: Sortable,
    _isOutsideThisEl: function _isOutsideThisEl(target) {
      if (!this.el.contains(target) && target !== this.el) {
        lastTarget = null;
      }
    },
    _getDirection: function _getDirection(evt, target) {
      return typeof this.options.direction === 'function' ? this.options.direction.call(this, evt, target, dragEl) : this.options.direction;
    },
    _onTapStart: function _onTapStart(
    /** Event|TouchEvent */
    evt) {
      if (!evt.cancelable) return;
  
      var _this = this,
          el = this.el,
          options = this.options,
          preventOnFilter = options.preventOnFilter,
          type = evt.type,
          touch = evt.touches && evt.touches[0] || evt.pointerType && evt.pointerType === 'touch' && evt,
          target = (touch || evt).target,
          originalTarget = evt.target.shadowRoot && (evt.path && evt.path[0] || evt.composedPath && evt.composedPath()[0]) || target,
          filter = options.filter;
  
      _saveInputCheckedState(el); // Don't trigger start event when an element is been dragged, otherwise the evt.oldindex always wrong when set option.group.
  
  
      if (dragEl) {
        return;
      }
  
      if (/mousedown|pointerdown/.test(type) && evt.button !== 0 || options.disabled) {
        return; // only left button and enabled
      } // cancel dnd if original target is content editable
  
  
      if (originalTarget.isContentEditable) {
        return;
      }
  
      target = closest(target, options.draggable, el, false);
  
      if (target && target.animated) {
        return;
      }
  
      if (lastDownEl === target) {
        // Ignoring duplicate `down`
        return;
      } // Get the index of the dragged element within its parent
  
  
      oldIndex = index(target);
      oldDraggableIndex = index(target, options.draggable); // Check filter
  
      if (typeof filter === 'function') {
        if (filter.call(this, evt, target, this)) {
          _dispatchEvent({
            sortable: _this,
            rootEl: originalTarget,
            name: 'filter',
            targetEl: target,
            toEl: el,
            fromEl: el
          });
  
          pluginEvent('filter', _this, {
            evt: evt
          });
          preventOnFilter && evt.cancelable && evt.preventDefault();
          return; // cancel dnd
        }
      } else if (filter) {
        filter = filter.split(',').some(function (criteria) {
          criteria = closest(originalTarget, criteria.trim(), el, false);
  
          if (criteria) {
            _dispatchEvent({
              sortable: _this,
              rootEl: criteria,
              name: 'filter',
              targetEl: target,
              fromEl: el,
              toEl: el
            });
  
            pluginEvent('filter', _this, {
              evt: evt
            });
            return true;
          }
        });
  
        if (filter) {
          preventOnFilter && evt.cancelable && evt.preventDefault();
          return; // cancel dnd
        }
      }
  
      if (options.handle && !closest(originalTarget, options.handle, el, false)) {
        return;
      } // Prepare `dragstart`
  
  
      this._prepareDragStart(evt, touch, target);
    },
    _prepareDragStart: function _prepareDragStart(
    /** Event */
    evt,
    /** Touch */
    touch,
    /** HTMLElement */
    target) {
      var _this = this,
          el = _this.el,
          options = _this.options,
          ownerDocument = el.ownerDocument,
          dragStartFn;
  
      if (target && !dragEl && target.parentNode === el) {
        var dragRect = getRect(target);
        rootEl = el;
        dragEl = target;
        parentEl = dragEl.parentNode;
        nextEl = dragEl.nextSibling;
        lastDownEl = target;
        activeGroup = options.group;
        Sortable.dragged = dragEl;
        tapEvt = {
          target: dragEl,
          clientX: (touch || evt).clientX,
          clientY: (touch || evt).clientY
        };
        tapDistanceLeft = tapEvt.clientX - dragRect.left;
        tapDistanceTop = tapEvt.clientY - dragRect.top;
        this._lastX = (touch || evt).clientX;
        this._lastY = (touch || evt).clientY;
        dragEl.style['will-change'] = 'all';
  
        dragStartFn = function dragStartFn() {
          pluginEvent('delayEnded', _this, {
            evt: evt
          });
  
          if (Sortable.eventCanceled) {
            _this._onDrop();
  
            return;
          } // Delayed drag has been triggered
          // we can re-enable the events: touchmove/mousemove
  
  
          _this._disableDelayedDragEvents();
  
          if (!FireFox && _this.nativeDraggable) {
            dragEl.draggable = true;
          } // Bind the events: dragstart/dragend
  
  
          _this._triggerDragStart(evt, touch); // Drag start event
  
  
          _dispatchEvent({
            sortable: _this,
            name: 'choose',
            originalEvent: evt
          }); // Chosen item
  
  
          toggleClass(dragEl, options.chosenClass, true);
        }; // Disable "draggable"
  
  
        options.ignore.split(',').forEach(function (criteria) {
          find(dragEl, criteria.trim(), _disableDraggable);
        });
        on(ownerDocument, 'dragover', nearestEmptyInsertDetectEvent);
        on(ownerDocument, 'mousemove', nearestEmptyInsertDetectEvent);
        on(ownerDocument, 'touchmove', nearestEmptyInsertDetectEvent);
        on(ownerDocument, 'mouseup', _this._onDrop);
        on(ownerDocument, 'touchend', _this._onDrop);
        on(ownerDocument, 'touchcancel', _this._onDrop); // Make dragEl draggable (must be before delay for FireFox)
  
        if (FireFox && this.nativeDraggable) {
          this.options.touchStartThreshold = 4;
          dragEl.draggable = true;
        }
  
        pluginEvent('delayStart', this, {
          evt: evt
        }); // Delay is impossible for native DnD in Edge or IE
  
        if (options.delay && (!options.delayOnTouchOnly || touch) && (!this.nativeDraggable || !(Edge || IE11OrLess))) {
          if (Sortable.eventCanceled) {
            this._onDrop();
  
            return;
          } // If the user moves the pointer or let go the click or touch
          // before the delay has been reached:
          // disable the delayed drag
  
  
          on(ownerDocument, 'mouseup', _this._disableDelayedDrag);
          on(ownerDocument, 'touchend', _this._disableDelayedDrag);
          on(ownerDocument, 'touchcancel', _this._disableDelayedDrag);
          on(ownerDocument, 'mousemove', _this._delayedDragTouchMoveHandler);
          on(ownerDocument, 'touchmove', _this._delayedDragTouchMoveHandler);
          options.supportPointer && on(ownerDocument, 'pointermove', _this._delayedDragTouchMoveHandler);
          _this._dragStartTimer = setTimeout(dragStartFn, options.delay);
        } else {
          dragStartFn();
        }
      }
    },
    _delayedDragTouchMoveHandler: function _delayedDragTouchMoveHandler(
    /** TouchEvent|PointerEvent **/
    e) {
      var touch = e.touches ? e.touches[0] : e;
  
      if (Math.max(Math.abs(touch.clientX - this._lastX), Math.abs(touch.clientY - this._lastY)) >= Math.floor(this.options.touchStartThreshold / (this.nativeDraggable && window.devicePixelRatio || 1))) {
        this._disableDelayedDrag();
      }
    },
    _disableDelayedDrag: function _disableDelayedDrag() {
      dragEl && _disableDraggable(dragEl);
      clearTimeout(this._dragStartTimer);
  
      this._disableDelayedDragEvents();
    },
    _disableDelayedDragEvents: function _disableDelayedDragEvents() {
      var ownerDocument = this.el.ownerDocument;
      off(ownerDocument, 'mouseup', this._disableDelayedDrag);
      off(ownerDocument, 'touchend', this._disableDelayedDrag);
      off(ownerDocument, 'touchcancel', this._disableDelayedDrag);
      off(ownerDocument, 'mousemove', this._delayedDragTouchMoveHandler);
      off(ownerDocument, 'touchmove', this._delayedDragTouchMoveHandler);
      off(ownerDocument, 'pointermove', this._delayedDragTouchMoveHandler);
    },
    _triggerDragStart: function _triggerDragStart(
    /** Event */
    evt,
    /** Touch */
    touch) {
      touch = touch || evt.pointerType == 'touch' && evt;
  
      if (!this.nativeDraggable || touch) {
        if (this.options.supportPointer) {
          on(document, 'pointermove', this._onTouchMove);
        } else if (touch) {
          on(document, 'touchmove', this._onTouchMove);
        } else {
          on(document, 'mousemove', this._onTouchMove);
        }
      } else {
        on(dragEl, 'dragend', this);
        on(rootEl, 'dragstart', this._onDragStart);
      }
  
      try {
        if (document.selection) {
          // Timeout neccessary for IE9
          _nextTick(function () {
            document.selection.empty();
          });
        } else {
          window.getSelection().removeAllRanges();
        }
      } catch (err) {}
    },
    _dragStarted: function _dragStarted(fallback, evt) {
  
      awaitingDragStarted = false;
  
      if (rootEl && dragEl) {
        pluginEvent('dragStarted', this, {
          evt: evt
        });
  
        if (this.nativeDraggable) {
          on(document, 'dragover', _checkOutsideTargetEl);
        }
  
        var options = this.options; // Apply effect
  
        !fallback && toggleClass(dragEl, options.dragClass, false);
        toggleClass(dragEl, options.ghostClass, true);
        Sortable.active = this;
        fallback && this._appendGhost(); // Drag start event
  
        _dispatchEvent({
          sortable: this,
          name: 'start',
          originalEvent: evt
        });
      } else {
        this._nulling();
      }
    },
    _emulateDragOver: function _emulateDragOver() {
      if (touchEvt) {
        this._lastX = touchEvt.clientX;
        this._lastY = touchEvt.clientY;
  
        _hideGhostForTarget();
  
        var target = document.elementFromPoint(touchEvt.clientX, touchEvt.clientY);
        var parent = target;
  
        while (target && target.shadowRoot) {
          target = target.shadowRoot.elementFromPoint(touchEvt.clientX, touchEvt.clientY);
          if (target === parent) break;
          parent = target;
        }
  
        dragEl.parentNode[expando]._isOutsideThisEl(target);
  
        if (parent) {
          do {
            if (parent[expando]) {
              var inserted = void 0;
              inserted = parent[expando]._onDragOver({
                clientX: touchEvt.clientX,
                clientY: touchEvt.clientY,
                target: target,
                rootEl: parent
              });
  
              if (inserted && !this.options.dragoverBubble) {
                break;
              }
            }
  
            target = parent; // store last element
          }
          /* jshint boss:true */
          while (parent = parent.parentNode);
        }
  
        _unhideGhostForTarget();
      }
    },
    _onTouchMove: function _onTouchMove(
    /**TouchEvent*/
    evt) {
      if (tapEvt) {
        var options = this.options,
            fallbackTolerance = options.fallbackTolerance,
            fallbackOffset = options.fallbackOffset,
            touch = evt.touches ? evt.touches[0] : evt,
            ghostMatrix = ghostEl && matrix(ghostEl, true),
            scaleX = ghostEl && ghostMatrix && ghostMatrix.a,
            scaleY = ghostEl && ghostMatrix && ghostMatrix.d,
            relativeScrollOffset = PositionGhostAbsolutely && ghostRelativeParent && getRelativeScrollOffset(ghostRelativeParent),
            dx = (touch.clientX - tapEvt.clientX + fallbackOffset.x) / (scaleX || 1) + (relativeScrollOffset ? relativeScrollOffset[0] - ghostRelativeParentInitialScroll[0] : 0) / (scaleX || 1),
            dy = (touch.clientY - tapEvt.clientY + fallbackOffset.y) / (scaleY || 1) + (relativeScrollOffset ? relativeScrollOffset[1] - ghostRelativeParentInitialScroll[1] : 0) / (scaleY || 1); // only set the status to dragging, when we are actually dragging
  
        if (!Sortable.active && !awaitingDragStarted) {
          if (fallbackTolerance && Math.max(Math.abs(touch.clientX - this._lastX), Math.abs(touch.clientY - this._lastY)) < fallbackTolerance) {
            return;
          }
  
          this._onDragStart(evt, true);
        }
  
        if (ghostEl) {
          if (ghostMatrix) {
            ghostMatrix.e += dx - (lastDx || 0);
            ghostMatrix.f += dy - (lastDy || 0);
          } else {
            ghostMatrix = {
              a: 1,
              b: 0,
              c: 0,
              d: 1,
              e: dx,
              f: dy
            };
          }
  
          var cssMatrix = "matrix(".concat(ghostMatrix.a, ",").concat(ghostMatrix.b, ",").concat(ghostMatrix.c, ",").concat(ghostMatrix.d, ",").concat(ghostMatrix.e, ",").concat(ghostMatrix.f, ")");
          css(ghostEl, 'webkitTransform', cssMatrix);
          css(ghostEl, 'mozTransform', cssMatrix);
          css(ghostEl, 'msTransform', cssMatrix);
          css(ghostEl, 'transform', cssMatrix);
          lastDx = dx;
          lastDy = dy;
          touchEvt = touch;
        }
  
        evt.cancelable && evt.preventDefault();
      }
    },
    _appendGhost: function _appendGhost() {
      // Bug if using scale(): https://stackoverflow.com/questions/2637058
      // Not being adjusted for
      if (!ghostEl) {
        var container = this.options.fallbackOnBody ? document.body : rootEl,
            rect = getRect(dragEl, true, PositionGhostAbsolutely, true, container),
            options = this.options; // Position absolutely
  
        if (PositionGhostAbsolutely) {
          // Get relatively positioned parent
          ghostRelativeParent = container;
  
          while (css(ghostRelativeParent, 'position') === 'static' && css(ghostRelativeParent, 'transform') === 'none' && ghostRelativeParent !== document) {
            ghostRelativeParent = ghostRelativeParent.parentNode;
          }
  
          if (ghostRelativeParent !== document.body && ghostRelativeParent !== document.documentElement) {
            if (ghostRelativeParent === document) ghostRelativeParent = getWindowScrollingElement();
            rect.top += ghostRelativeParent.scrollTop;
            rect.left += ghostRelativeParent.scrollLeft;
          } else {
            ghostRelativeParent = getWindowScrollingElement();
          }
  
          ghostRelativeParentInitialScroll = getRelativeScrollOffset(ghostRelativeParent);
        }
  
        ghostEl = dragEl.cloneNode(true);
        toggleClass(ghostEl, options.ghostClass, false);
        toggleClass(ghostEl, options.fallbackClass, true);
        toggleClass(ghostEl, options.dragClass, true);
        css(ghostEl, 'transition', '');
        css(ghostEl, 'transform', '');
        css(ghostEl, 'box-sizing', 'border-box');
        css(ghostEl, 'margin', 0);
        css(ghostEl, 'top', rect.top);
        css(ghostEl, 'left', rect.left);
        css(ghostEl, 'width', rect.width);
        css(ghostEl, 'height', rect.height);
        css(ghostEl, 'opacity', '0.8');
        css(ghostEl, 'position', PositionGhostAbsolutely ? 'absolute' : 'fixed');
        css(ghostEl, 'zIndex', '100000');
        css(ghostEl, 'pointerEvents', 'none');
        Sortable.ghost = ghostEl;
        container.appendChild(ghostEl); // Set transform-origin
  
        css(ghostEl, 'transform-origin', tapDistanceLeft / parseInt(ghostEl.style.width) * 100 + '% ' + tapDistanceTop / parseInt(ghostEl.style.height) * 100 + '%');
      }
    },
    _onDragStart: function _onDragStart(
    /**Event*/
    evt,
    /**boolean*/
    fallback) {
      var _this = this;
  
      var dataTransfer = evt.dataTransfer;
      var options = _this.options;
      pluginEvent('dragStart', this, {
        evt: evt
      });
  
      if (Sortable.eventCanceled) {
        this._onDrop();
  
        return;
      }
  
      pluginEvent('setupClone', this);
  
      if (!Sortable.eventCanceled) {
        cloneEl = clone(dragEl);
        cloneEl.draggable = false;
        cloneEl.style['will-change'] = '';
  
        this._hideClone();
  
        toggleClass(cloneEl, this.options.chosenClass, false);
        Sortable.clone = cloneEl;
      } // #1143: IFrame support workaround
  
  
      _this.cloneId = _nextTick(function () {
        pluginEvent('clone', _this);
        if (Sortable.eventCanceled) return;
  
        if (!_this.options.removeCloneOnHide) {
          rootEl.insertBefore(cloneEl, dragEl);
        }
  
        _this._hideClone();
  
        _dispatchEvent({
          sortable: _this,
          name: 'clone'
        });
      });
      !fallback && toggleClass(dragEl, options.dragClass, true); // Set proper drop events
  
      if (fallback) {
        ignoreNextClick = true;
        _this._loopId = setInterval(_this._emulateDragOver, 50);
      } else {
        // Undo what was set in _prepareDragStart before drag started
        off(document, 'mouseup', _this._onDrop);
        off(document, 'touchend', _this._onDrop);
        off(document, 'touchcancel', _this._onDrop);
  
        if (dataTransfer) {
          dataTransfer.effectAllowed = 'move';
          options.setData && options.setData.call(_this, dataTransfer, dragEl);
        }
  
        on(document, 'drop', _this); // #1276 fix:
  
        css(dragEl, 'transform', 'translateZ(0)');
      }
  
      awaitingDragStarted = true;
      _this._dragStartId = _nextTick(_this._dragStarted.bind(_this, fallback, evt));
      on(document, 'selectstart', _this);
      moved = true;
  
      if (Safari) {
        css(document.body, 'user-select', 'none');
      }
    },
    // Returns true - if no further action is needed (either inserted or another condition)
    _onDragOver: function _onDragOver(
    /**Event*/
    evt) {
      var el = this.el,
          target = evt.target,
          dragRect,
          targetRect,
          revert,
          options = this.options,
          group = options.group,
          activeSortable = Sortable.active,
          isOwner = activeGroup === group,
          canSort = options.sort,
          fromSortable = putSortable || activeSortable,
          vertical,
          _this = this,
          completedFired = false;
  
      if (_silent) return;
  
      function dragOverEvent(name, extra) {
        pluginEvent(name, _this, _objectSpread({
          evt: evt,
          isOwner: isOwner,
          axis: vertical ? 'vertical' : 'horizontal',
          revert: revert,
          dragRect: dragRect,
          targetRect: targetRect,
          canSort: canSort,
          fromSortable: fromSortable,
          target: target,
          completed: completed,
          onMove: function onMove(target, after) {
            return _onMove(rootEl, el, dragEl, dragRect, target, getRect(target), evt, after);
          },
          changed: changed
        }, extra));
      } // Capture animation state
  
  
      function capture() {
        dragOverEvent('dragOverAnimationCapture');
  
        _this.captureAnimationState();
  
        if (_this !== fromSortable) {
          fromSortable.captureAnimationState();
        }
      } // Return invocation when dragEl is inserted (or completed)
  
  
      function completed(insertion) {
        dragOverEvent('dragOverCompleted', {
          insertion: insertion
        });
  
        if (insertion) {
          // Clones must be hidden before folding animation to capture dragRectAbsolute properly
          if (isOwner) {
            activeSortable._hideClone();
          } else {
            activeSortable._showClone(_this);
          }
  
          if (_this !== fromSortable) {
            // Set ghost class to new sortable's ghost class
            toggleClass(dragEl, putSortable ? putSortable.options.ghostClass : activeSortable.options.ghostClass, false);
            toggleClass(dragEl, options.ghostClass, true);
          }
  
          if (putSortable !== _this && _this !== Sortable.active) {
            putSortable = _this;
          } else if (_this === Sortable.active && putSortable) {
            putSortable = null;
          } // Animation
  
  
          if (fromSortable === _this) {
            _this._ignoreWhileAnimating = target;
          }
  
          _this.animateAll(function () {
            dragOverEvent('dragOverAnimationComplete');
            _this._ignoreWhileAnimating = null;
          });
  
          if (_this !== fromSortable) {
            fromSortable.animateAll();
            fromSortable._ignoreWhileAnimating = null;
          }
        } // Null lastTarget if it is not inside a previously swapped element
  
  
        if (target === dragEl && !dragEl.animated || target === el && !target.animated) {
          lastTarget = null;
        } // no bubbling and not fallback
  
  
        if (!options.dragoverBubble && !evt.rootEl && target !== document) {
          dragEl.parentNode[expando]._isOutsideThisEl(evt.target); // Do not detect for empty insert if already inserted
  
  
          !insertion && nearestEmptyInsertDetectEvent(evt);
        }
  
        !options.dragoverBubble && evt.stopPropagation && evt.stopPropagation();
        return completedFired = true;
      } // Call when dragEl has been inserted
  
  
      function changed() {
        newIndex = index(dragEl);
        newDraggableIndex = index(dragEl, options.draggable);
  
        _dispatchEvent({
          sortable: _this,
          name: 'change',
          toEl: el,
          newIndex: newIndex,
          newDraggableIndex: newDraggableIndex,
          originalEvent: evt
        });
      }
  
      if (evt.preventDefault !== void 0) {
        evt.cancelable && evt.preventDefault();
      }
  
      target = closest(target, options.draggable, el, true);
      dragOverEvent('dragOver');
      if (Sortable.eventCanceled) return completedFired;
  
      if (dragEl.contains(evt.target) || target.animated && target.animatingX && target.animatingY || _this._ignoreWhileAnimating === target) {
        return completed(false);
      }
  
      ignoreNextClick = false;
  
      if (activeSortable && !options.disabled && (isOwner ? canSort || (revert = !rootEl.contains(dragEl)) // Reverting item into the original list
      : putSortable === this || (this.lastPutMode = activeGroup.checkPull(this, activeSortable, dragEl, evt)) && group.checkPut(this, activeSortable, dragEl, evt))) {
        vertical = this._getDirection(evt, target) === 'vertical';
        dragRect = getRect(dragEl);
        dragOverEvent('dragOverValid');
        if (Sortable.eventCanceled) return completedFired;
  
        if (revert) {
          parentEl = rootEl; // actualization
  
          capture();
  
          this._hideClone();
  
          dragOverEvent('revert');
  
          if (!Sortable.eventCanceled) {
            if (nextEl) {
              rootEl.insertBefore(dragEl, nextEl);
            } else {
              rootEl.appendChild(dragEl);
            }
          }
  
          return completed(true);
        }
  
        var elLastChild = lastChild(el, options.draggable);
  
        if (!elLastChild || _ghostIsLast(evt, vertical, this) && !elLastChild.animated) {
          // If already at end of list: Do not insert
          if (elLastChild === dragEl) {
            return completed(false);
          } // assign target only if condition is true
  
  
          if (elLastChild && el === evt.target) {
            target = elLastChild;
          }
  
          if (target) {
            targetRect = getRect(target);
          }
  
          if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, !!target) !== false) {
            capture();
            el.appendChild(dragEl);
            parentEl = el; // actualization
  
            changed();
            return completed(true);
          }
        } else if (target.parentNode === el) {
          targetRect = getRect(target);
          var direction = 0,
              targetBeforeFirstSwap,
              differentLevel = dragEl.parentNode !== el,
              differentRowCol = !_dragElInRowColumn(dragEl.animated && dragEl.toRect || dragRect, target.animated && target.toRect || targetRect, vertical),
              side1 = vertical ? 'top' : 'left',
              scrolledPastTop = isScrolledPast(target, 'top', 'top') || isScrolledPast(dragEl, 'top', 'top'),
              scrollBefore = scrolledPastTop ? scrolledPastTop.scrollTop : void 0;
  
          if (lastTarget !== target) {
            targetBeforeFirstSwap = targetRect[side1];
            pastFirstInvertThresh = false;
            isCircumstantialInvert = !differentRowCol && options.invertSwap || differentLevel;
          }
  
          direction = _getSwapDirection(evt, target, targetRect, vertical, differentRowCol ? 1 : options.swapThreshold, options.invertedSwapThreshold == null ? options.swapThreshold : options.invertedSwapThreshold, isCircumstantialInvert, lastTarget === target);
          var sibling;
  
          if (direction !== 0) {
            // Check if target is beside dragEl in respective direction (ignoring hidden elements)
            var dragIndex = index(dragEl);
  
            do {
              dragIndex -= direction;
              sibling = parentEl.children[dragIndex];
            } while (sibling && (css(sibling, 'display') === 'none' || sibling === ghostEl));
          } // If dragEl is already beside target: Do not insert
  
  
          if (direction === 0 || sibling === target) {
            return completed(false);
          }
  
          lastTarget = target;
          lastDirection = direction;
          var nextSibling = target.nextElementSibling,
              after = false;
          after = direction === 1;
  
          var moveVector = _onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, after);
  
          if (moveVector !== false) {
            if (moveVector === 1 || moveVector === -1) {
              after = moveVector === 1;
            }
  
            _silent = true;
            setTimeout(_unsilent, 30);
            capture();
  
            if (after && !nextSibling) {
              el.appendChild(dragEl);
            } else {
              target.parentNode.insertBefore(dragEl, after ? nextSibling : target);
            } // Undo chrome's scroll adjustment (has no effect on other browsers)
  
  
            if (scrolledPastTop) {
              scrollBy(scrolledPastTop, 0, scrollBefore - scrolledPastTop.scrollTop);
            }
  
            parentEl = dragEl.parentNode; // actualization
            // must be done before animation
  
            if (targetBeforeFirstSwap !== undefined && !isCircumstantialInvert) {
              targetMoveDistance = Math.abs(targetBeforeFirstSwap - getRect(target)[side1]);
            }
  
            changed();
            return completed(true);
          }
        }
  
        if (el.contains(dragEl)) {
          return completed(false);
        }
      }
  
      return false;
    },
    _ignoreWhileAnimating: null,
    _offMoveEvents: function _offMoveEvents() {
      off(document, 'mousemove', this._onTouchMove);
      off(document, 'touchmove', this._onTouchMove);
      off(document, 'pointermove', this._onTouchMove);
      off(document, 'dragover', nearestEmptyInsertDetectEvent);
      off(document, 'mousemove', nearestEmptyInsertDetectEvent);
      off(document, 'touchmove', nearestEmptyInsertDetectEvent);
    },
    _offUpEvents: function _offUpEvents() {
      var ownerDocument = this.el.ownerDocument;
      off(ownerDocument, 'mouseup', this._onDrop);
      off(ownerDocument, 'touchend', this._onDrop);
      off(ownerDocument, 'pointerup', this._onDrop);
      off(ownerDocument, 'touchcancel', this._onDrop);
      off(document, 'selectstart', this);
    },
    _onDrop: function _onDrop(
    /**Event*/
    evt) {
      var el = this.el,
          options = this.options; // Get the index of the dragged element within its parent
  
      newIndex = index(dragEl);
      newDraggableIndex = index(dragEl, options.draggable);
      pluginEvent('drop', this, {
        evt: evt
      });
      parentEl = dragEl && dragEl.parentNode; // Get again after plugin event
  
      newIndex = index(dragEl);
      newDraggableIndex = index(dragEl, options.draggable);
  
      if (Sortable.eventCanceled) {
        this._nulling();
  
        return;
      }
  
      awaitingDragStarted = false;
      isCircumstantialInvert = false;
      pastFirstInvertThresh = false;
      clearInterval(this._loopId);
      clearTimeout(this._dragStartTimer);
  
      _cancelNextTick(this.cloneId);
  
      _cancelNextTick(this._dragStartId); // Unbind events
  
  
      if (this.nativeDraggable) {
        off(document, 'drop', this);
        off(el, 'dragstart', this._onDragStart);
      }
  
      this._offMoveEvents();
  
      this._offUpEvents();
  
      if (Safari) {
        css(document.body, 'user-select', '');
      }
  
      css(dragEl, 'transform', '');
  
      if (evt) {
        if (moved) {
          evt.cancelable && evt.preventDefault();
          !options.dropBubble && evt.stopPropagation();
        }
  
        ghostEl && ghostEl.parentNode && ghostEl.parentNode.removeChild(ghostEl);
  
        if (rootEl === parentEl || putSortable && putSortable.lastPutMode !== 'clone') {
          // Remove clone(s)
          cloneEl && cloneEl.parentNode && cloneEl.parentNode.removeChild(cloneEl);
        }
  
        if (dragEl) {
          if (this.nativeDraggable) {
            off(dragEl, 'dragend', this);
          }
  
          _disableDraggable(dragEl);
  
          dragEl.style['will-change'] = ''; // Remove classes
          // ghostClass is added in dragStarted
  
          if (moved && !awaitingDragStarted) {
            toggleClass(dragEl, putSortable ? putSortable.options.ghostClass : this.options.ghostClass, false);
          }
  
          toggleClass(dragEl, this.options.chosenClass, false); // Drag stop event
  
          _dispatchEvent({
            sortable: this,
            name: 'unchoose',
            toEl: parentEl,
            newIndex: null,
            newDraggableIndex: null,
            originalEvent: evt
          });
  
          if (rootEl !== parentEl) {
            if (newIndex >= 0) {
              // Add event
              _dispatchEvent({
                rootEl: parentEl,
                name: 'add',
                toEl: parentEl,
                fromEl: rootEl,
                originalEvent: evt
              }); // Remove event
  
  
              _dispatchEvent({
                sortable: this,
                name: 'remove',
                toEl: parentEl,
                originalEvent: evt
              }); // drag from one list and drop into another
  
  
              _dispatchEvent({
                rootEl: parentEl,
                name: 'sort',
                toEl: parentEl,
                fromEl: rootEl,
                originalEvent: evt
              });
  
              _dispatchEvent({
                sortable: this,
                name: 'sort',
                toEl: parentEl,
                originalEvent: evt
              });
            }
  
            putSortable && putSortable.save();
          } else {
            if (newIndex !== oldIndex) {
              if (newIndex >= 0) {
                // drag & drop within the same list
                _dispatchEvent({
                  sortable: this,
                  name: 'update',
                  toEl: parentEl,
                  originalEvent: evt
                });
  
                _dispatchEvent({
                  sortable: this,
                  name: 'sort',
                  toEl: parentEl,
                  originalEvent: evt
                });
              }
            }
          }
  
          if (Sortable.active) {
            /* jshint eqnull:true */
            if (newIndex == null || newIndex === -1) {
              newIndex = oldIndex;
              newDraggableIndex = oldDraggableIndex;
            }
  
            _dispatchEvent({
              sortable: this,
              name: 'end',
              toEl: parentEl,
              originalEvent: evt
            }); // Save sorting
  
  
            this.save();
          }
        }
      }
  
      this._nulling();
    },
    _nulling: function _nulling() {
      pluginEvent('nulling', this);
      rootEl = dragEl = parentEl = ghostEl = nextEl = cloneEl = lastDownEl = cloneHidden = tapEvt = touchEvt = moved = newIndex = newDraggableIndex = oldIndex = oldDraggableIndex = lastTarget = lastDirection = putSortable = activeGroup = Sortable.dragged = Sortable.ghost = Sortable.clone = Sortable.active = null;
      savedInputChecked.forEach(function (el) {
        el.checked = true;
      });
      savedInputChecked.length = lastDx = lastDy = 0;
    },
    handleEvent: function handleEvent(
    /**Event*/
    evt) {
      switch (evt.type) {
        case 'drop':
        case 'dragend':
          this._onDrop(evt);
  
          break;
  
        case 'dragenter':
        case 'dragover':
          if (dragEl) {
            this._onDragOver(evt);
  
            _globalDragOver(evt);
          }
  
          break;
  
        case 'selectstart':
          evt.preventDefault();
          break;
      }
    },
  
    /**
     * Serializes the item into an array of string.
     * @returns {String[]}
     */
    toArray: function toArray() {
      var order = [],
          el,
          children = this.el.children,
          i = 0,
          n = children.length,
          options = this.options;
  
      for (; i < n; i++) {
        el = children[i];
  
        if (closest(el, options.draggable, this.el, false)) {
          order.push(el.getAttribute(options.dataIdAttr) || _generateId(el));
        }
      }
  
      return order;
    },
  
    /**
     * Sorts the elements according to the array.
     * @param  {String[]}  order  order of the items
     */
    sort: function sort(order) {
      var items = {},
          rootEl = this.el;
      this.toArray().forEach(function (id, i) {
        var el = rootEl.children[i];
  
        if (closest(el, this.options.draggable, rootEl, false)) {
          items[id] = el;
        }
      }, this);
      order.forEach(function (id) {
        if (items[id]) {
          rootEl.removeChild(items[id]);
          rootEl.appendChild(items[id]);
        }
      });
    },
  
    /**
     * Save the current sorting
     */
    save: function save() {
      var store = this.options.store;
      store && store.set && store.set(this);
    },
  
    /**
     * For each element in the set, get the first element that matches the selector by testing the element itself and traversing up through its ancestors in the DOM tree.
     * @param   {HTMLElement}  el
     * @param   {String}       [selector]  default: `options.draggable`
     * @returns {HTMLElement|null}
     */
    closest: function closest$1(el, selector) {
      return closest(el, selector || this.options.draggable, this.el, false);
    },
  
    /**
     * Set/get option
     * @param   {string} name
     * @param   {*}      [value]
     * @returns {*}
     */
    option: function option(name, value) {
      var options = this.options;
  
      if (value === void 0) {
        return options[name];
      } else {
        var modifiedValue = PluginManager.modifyOption(this, name, value);
  
        if (typeof modifiedValue !== 'undefined') {
          options[name] = modifiedValue;
        } else {
          options[name] = value;
        }
  
        if (name === 'group') {
          _prepareGroup(options);
        }
      }
    },
  
    /**
     * Destroy
     */
    destroy: function destroy() {
      pluginEvent('destroy', this);
      var el = this.el;
      el[expando] = null;
      off(el, 'mousedown', this._onTapStart);
      off(el, 'touchstart', this._onTapStart);
      off(el, 'pointerdown', this._onTapStart);
  
      if (this.nativeDraggable) {
        off(el, 'dragover', this);
        off(el, 'dragenter', this);
      } // Remove draggable attributes
  
  
      Array.prototype.forEach.call(el.querySelectorAll('[draggable]'), function (el) {
        el.removeAttribute('draggable');
      });
  
      this._onDrop();
  
      this._disableDelayedDragEvents();
  
      sortables.splice(sortables.indexOf(this.el), 1);
      this.el = el = null;
    },
    _hideClone: function _hideClone() {
      if (!cloneHidden) {
        pluginEvent('hideClone', this);
        if (Sortable.eventCanceled) return;
        css(cloneEl, 'display', 'none');
  
        if (this.options.removeCloneOnHide && cloneEl.parentNode) {
          cloneEl.parentNode.removeChild(cloneEl);
        }
  
        cloneHidden = true;
      }
    },
    _showClone: function _showClone(putSortable) {
      if (putSortable.lastPutMode !== 'clone') {
        this._hideClone();
  
        return;
      }
  
      if (cloneHidden) {
        pluginEvent('showClone', this);
        if (Sortable.eventCanceled) return; // show clone at dragEl or original position
  
        if (rootEl.contains(dragEl) && !this.options.group.revertClone) {
          rootEl.insertBefore(cloneEl, dragEl);
        } else if (nextEl) {
          rootEl.insertBefore(cloneEl, nextEl);
        } else {
          rootEl.appendChild(cloneEl);
        }
  
        if (this.options.group.revertClone) {
          this.animate(dragEl, cloneEl);
        }
  
        css(cloneEl, 'display', '');
        cloneHidden = false;
      }
    }
  };
  
  function _globalDragOver(
  /**Event*/
  evt) {
    if (evt.dataTransfer) {
      evt.dataTransfer.dropEffect = 'move';
    }
  
    evt.cancelable && evt.preventDefault();
  }
  
  function _onMove(fromEl, toEl, dragEl, dragRect, targetEl, targetRect, originalEvent, willInsertAfter) {
    var evt,
        sortable = fromEl[expando],
        onMoveFn = sortable.options.onMove,
        retVal; // Support for new CustomEvent feature
  
    if (window.CustomEvent && !IE11OrLess && !Edge) {
      evt = new CustomEvent('move', {
        bubbles: true,
        cancelable: true
      });
    } else {
      evt = document.createEvent('Event');
      evt.initEvent('move', true, true);
    }
  
    evt.to = toEl;
    evt.from = fromEl;
    evt.dragged = dragEl;
    evt.draggedRect = dragRect;
    evt.related = targetEl || toEl;
    evt.relatedRect = targetRect || getRect(toEl);
    evt.willInsertAfter = willInsertAfter;
    evt.originalEvent = originalEvent;
    fromEl.dispatchEvent(evt);
  
    if (onMoveFn) {
      retVal = onMoveFn.call(sortable, evt, originalEvent);
    }
  
    return retVal;
  }
  
  function _disableDraggable(el) {
    el.draggable = false;
  }
  
  function _unsilent() {
    _silent = false;
  }
  
  function _ghostIsLast(evt, vertical, sortable) {
    var rect = getRect(lastChild(sortable.el, sortable.options.draggable));
    var spacer = 10;
    return vertical ? evt.clientX > rect.right + spacer || evt.clientX <= rect.right && evt.clientY > rect.bottom && evt.clientX >= rect.left : evt.clientX > rect.right && evt.clientY > rect.top || evt.clientX <= rect.right && evt.clientY > rect.bottom + spacer;
  }
  
  function _getSwapDirection(evt, target, targetRect, vertical, swapThreshold, invertedSwapThreshold, invertSwap, isLastTarget) {
    var mouseOnAxis = vertical ? evt.clientY : evt.clientX,
        targetLength = vertical ? targetRect.height : targetRect.width,
        targetS1 = vertical ? targetRect.top : targetRect.left,
        targetS2 = vertical ? targetRect.bottom : targetRect.right,
        invert = false;
  
    if (!invertSwap) {
      // Never invert or create dragEl shadow when target movemenet causes mouse to move past the end of regular swapThreshold
      if (isLastTarget && targetMoveDistance < targetLength * swapThreshold) {
        // multiplied only by swapThreshold because mouse will already be inside target by (1 - threshold) * targetLength / 2
        // check if past first invert threshold on side opposite of lastDirection
        if (!pastFirstInvertThresh && (lastDirection === 1 ? mouseOnAxis > targetS1 + targetLength * invertedSwapThreshold / 2 : mouseOnAxis < targetS2 - targetLength * invertedSwapThreshold / 2)) {
          // past first invert threshold, do not restrict inverted threshold to dragEl shadow
          pastFirstInvertThresh = true;
        }
  
        if (!pastFirstInvertThresh) {
          // dragEl shadow (target move distance shadow)
          if (lastDirection === 1 ? mouseOnAxis < targetS1 + targetMoveDistance // over dragEl shadow
          : mouseOnAxis > targetS2 - targetMoveDistance) {
            return -lastDirection;
          }
        } else {
          invert = true;
        }
      } else {
        // Regular
        if (mouseOnAxis > targetS1 + targetLength * (1 - swapThreshold) / 2 && mouseOnAxis < targetS2 - targetLength * (1 - swapThreshold) / 2) {
          return _getInsertDirection(target);
        }
      }
    }
  
    invert = invert || invertSwap;
  
    if (invert) {
      // Invert of regular
      if (mouseOnAxis < targetS1 + targetLength * invertedSwapThreshold / 2 || mouseOnAxis > targetS2 - targetLength * invertedSwapThreshold / 2) {
        return mouseOnAxis > targetS1 + targetLength / 2 ? 1 : -1;
      }
    }
  
    return 0;
  }
  /**
   * Gets the direction dragEl must be swapped relative to target in order to make it
   * seem that dragEl has been "inserted" into that element's position
   * @param  {HTMLElement} target       The target whose position dragEl is being inserted at
   * @return {Number}                   Direction dragEl must be swapped
   */
  
  
  function _getInsertDirection(target) {
    if (index(dragEl) < index(target)) {
      return 1;
    } else {
      return -1;
    }
  }
  /**
   * Generate id
   * @param   {HTMLElement} el
   * @returns {String}
   * @private
   */
  
  
  function _generateId(el) {
    var str = el.tagName + el.className + el.src + el.href + el.textContent,
        i = str.length,
        sum = 0;
  
    while (i--) {
      sum += str.charCodeAt(i);
    }
  
    return sum.toString(36);
  }
  
  function _saveInputCheckedState(root) {
    savedInputChecked.length = 0;
    var inputs = root.getElementsByTagName('input');
    var idx = inputs.length;
  
    while (idx--) {
      var el = inputs[idx];
      el.checked && savedInputChecked.push(el);
    }
  }
  
  function _nextTick(fn) {
    return setTimeout(fn, 0);
  }
  
  function _cancelNextTick(id) {
    return clearTimeout(id);
  } // Fixed #973:
  
  
  if (documentExists) {
    on(document, 'touchmove', function (evt) {
      if ((Sortable.active || awaitingDragStarted) && evt.cancelable) {
        evt.preventDefault();
      }
    });
  } // Export utils
  
  
  Sortable.utils = {
    on: on,
    off: off,
    css: css,
    find: find,
    is: function is(el, selector) {
      return !!closest(el, selector, el, false);
    },
    extend: extend,
    throttle: throttle,
    closest: closest,
    toggleClass: toggleClass,
    clone: clone,
    index: index,
    nextTick: _nextTick,
    cancelNextTick: _cancelNextTick,
    detectDirection: _detectDirection,
    getChild: getChild
  };
  /**
   * Get the Sortable instance of an element
   * @param  {HTMLElement} element The element
   * @return {Sortable|undefined}         The instance of Sortable
   */
  
  Sortable.get = function (element) {
    return element[expando];
  };
  /**
   * Mount a plugin to Sortable
   * @param  {...SortablePlugin|SortablePlugin[]} plugins       Plugins being mounted
   */
  
  
  Sortable.mount = function () {
    for (var _len = arguments.length, plugins = new Array(_len), _key = 0; _key < _len; _key++) {
      plugins[_key] = arguments[_key];
    }
  
    if (plugins[0].constructor === Array) plugins = plugins[0];
    plugins.forEach(function (plugin) {
      if (!plugin.prototype || !plugin.prototype.constructor) {
        throw "Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(plugin));
      }
  
      if (plugin.utils) Sortable.utils = _objectSpread({}, Sortable.utils, plugin.utils);
      PluginManager.mount(plugin);
    });
  };
  /**
   * Create sortable instance
   * @param {HTMLElement}  el
   * @param {Object}      [options]
   */
  
  
  Sortable.create = function (el, options) {
    return new Sortable(el, options);
  }; // Export
  
  
  Sortable.version = version;
  
  var autoScrolls = [],
      scrollEl,
      scrollRootEl,
      scrolling = false,
      lastAutoScrollX,
      lastAutoScrollY,
      touchEvt$1,
      pointerElemChangedInterval;
  
  function AutoScrollPlugin() {
    function AutoScroll() {
      this.defaults = {
        scroll: true,
        scrollSensitivity: 30,
        scrollSpeed: 10,
        bubbleScroll: true
      }; // Bind all private methods
  
      for (var fn in this) {
        if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {
          this[fn] = this[fn].bind(this);
        }
      }
    }
  
    AutoScroll.prototype = {
      dragStarted: function dragStarted(_ref) {
        var originalEvent = _ref.originalEvent;
  
        if (this.sortable.nativeDraggable) {
          on(document, 'dragover', this._handleAutoScroll);
        } else {
          if (this.options.supportPointer) {
            on(document, 'pointermove', this._handleFallbackAutoScroll);
          } else if (originalEvent.touches) {
            on(document, 'touchmove', this._handleFallbackAutoScroll);
          } else {
            on(document, 'mousemove', this._handleFallbackAutoScroll);
          }
        }
      },
      dragOverCompleted: function dragOverCompleted(_ref2) {
        var originalEvent = _ref2.originalEvent;
  
        // For when bubbling is canceled and using fallback (fallback 'touchmove' always reached)
        if (!this.options.dragOverBubble && !originalEvent.rootEl) {
          this._handleAutoScroll(originalEvent);
        }
      },
      drop: function drop() {
        if (this.sortable.nativeDraggable) {
          off(document, 'dragover', this._handleAutoScroll);
        } else {
          off(document, 'pointermove', this._handleFallbackAutoScroll);
          off(document, 'touchmove', this._handleFallbackAutoScroll);
          off(document, 'mousemove', this._handleFallbackAutoScroll);
        }
  
        clearPointerElemChangedInterval();
        clearAutoScrolls();
        cancelThrottle();
      },
      nulling: function nulling() {
        touchEvt$1 = scrollRootEl = scrollEl = scrolling = pointerElemChangedInterval = lastAutoScrollX = lastAutoScrollY = null;
        autoScrolls.length = 0;
      },
      _handleFallbackAutoScroll: function _handleFallbackAutoScroll(evt) {
        this._handleAutoScroll(evt, true);
      },
      _handleAutoScroll: function _handleAutoScroll(evt, fallback) {
        var _this = this;
  
        var x = (evt.touches ? evt.touches[0] : evt).clientX,
            y = (evt.touches ? evt.touches[0] : evt).clientY,
            elem = document.elementFromPoint(x, y);
        touchEvt$1 = evt; // IE does not seem to have native autoscroll,
        // Edge's autoscroll seems too conditional,
        // MACOS Safari does not have autoscroll,
        // Firefox and Chrome are good
  
        if (fallback || Edge || IE11OrLess || Safari) {
          autoScroll(evt, this.options, elem, fallback); // Listener for pointer element change
  
          var ogElemScroller = getParentAutoScrollElement(elem, true);
  
          if (scrolling && (!pointerElemChangedInterval || x !== lastAutoScrollX || y !== lastAutoScrollY)) {
            pointerElemChangedInterval && clearPointerElemChangedInterval(); // Detect for pointer elem change, emulating native DnD behaviour
  
            pointerElemChangedInterval = setInterval(function () {
              var newElem = getParentAutoScrollElement(document.elementFromPoint(x, y), true);
  
              if (newElem !== ogElemScroller) {
                ogElemScroller = newElem;
                clearAutoScrolls();
              }
  
              autoScroll(evt, _this.options, newElem, fallback);
            }, 10);
            lastAutoScrollX = x;
            lastAutoScrollY = y;
          }
        } else {
          // if DnD is enabled (and browser has good autoscrolling), first autoscroll will already scroll, so get parent autoscroll of first autoscroll
          if (!this.options.bubbleScroll || getParentAutoScrollElement(elem, true) === getWindowScrollingElement()) {
            clearAutoScrolls();
            return;
          }
  
          autoScroll(evt, this.options, getParentAutoScrollElement(elem, false), false);
        }
      }
    };
    return _extends(AutoScroll, {
      pluginName: 'scroll',
      initializeByDefault: true
    });
  }
  
  function clearAutoScrolls() {
    autoScrolls.forEach(function (autoScroll) {
      clearInterval(autoScroll.pid);
    });
    autoScrolls = [];
  }
  
  function clearPointerElemChangedInterval() {
    clearInterval(pointerElemChangedInterval);
  }
  
  var autoScroll = throttle(function (evt, options, rootEl, isFallback) {
    // Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=505521
    if (!options.scroll) return;
    var x = (evt.touches ? evt.touches[0] : evt).clientX,
        y = (evt.touches ? evt.touches[0] : evt).clientY,
        sens = options.scrollSensitivity,
        speed = options.scrollSpeed,
        winScroller = getWindowScrollingElement();
    var scrollThisInstance = false,
        scrollCustomFn; // New scroll root, set scrollEl
  
    if (scrollRootEl !== rootEl) {
      scrollRootEl = rootEl;
      clearAutoScrolls();
      scrollEl = options.scroll;
      scrollCustomFn = options.scrollFn;
  
      if (scrollEl === true) {
        scrollEl = getParentAutoScrollElement(rootEl, true);
      }
    }
  
    var layersOut = 0;
    var currentParent = scrollEl;
  
    do {
      var el = currentParent,
          rect = getRect(el),
          top = rect.top,
          bottom = rect.bottom,
          left = rect.left,
          right = rect.right,
          width = rect.width,
          height = rect.height,
          canScrollX = void 0,
          canScrollY = void 0,
          scrollWidth = el.scrollWidth,
          scrollHeight = el.scrollHeight,
          elCSS = css(el),
          scrollPosX = el.scrollLeft,
          scrollPosY = el.scrollTop;
  
      if (el === winScroller) {
        canScrollX = width < scrollWidth && (elCSS.overflowX === 'auto' || elCSS.overflowX === 'scroll' || elCSS.overflowX === 'visible');
        canScrollY = height < scrollHeight && (elCSS.overflowY === 'auto' || elCSS.overflowY === 'scroll' || elCSS.overflowY === 'visible');
      } else {
        canScrollX = width < scrollWidth && (elCSS.overflowX === 'auto' || elCSS.overflowX === 'scroll');
        canScrollY = height < scrollHeight && (elCSS.overflowY === 'auto' || elCSS.overflowY === 'scroll');
      }
  
      var vx = canScrollX && (Math.abs(right - x) <= sens && scrollPosX + width < scrollWidth) - (Math.abs(left - x) <= sens && !!scrollPosX);
      var vy = canScrollY && (Math.abs(bottom - y) <= sens && scrollPosY + height < scrollHeight) - (Math.abs(top - y) <= sens && !!scrollPosY);
  
      if (!autoScrolls[layersOut]) {
        for (var i = 0; i <= layersOut; i++) {
          if (!autoScrolls[i]) {
            autoScrolls[i] = {};
          }
        }
      }
  
      if (autoScrolls[layersOut].vx != vx || autoScrolls[layersOut].vy != vy || autoScrolls[layersOut].el !== el) {
        autoScrolls[layersOut].el = el;
        autoScrolls[layersOut].vx = vx;
        autoScrolls[layersOut].vy = vy;
        clearInterval(autoScrolls[layersOut].pid);
  
        if (vx != 0 || vy != 0) {
          scrollThisInstance = true;
          /* jshint loopfunc:true */
  
          autoScrolls[layersOut].pid = setInterval(function () {
            // emulate drag over during autoscroll (fallback), emulating native DnD behaviour
            if (isFallback && this.layer === 0) {
              Sortable.active._onTouchMove(touchEvt$1); // To move ghost if it is positioned absolutely
  
            }
  
            var scrollOffsetY = autoScrolls[this.layer].vy ? autoScrolls[this.layer].vy * speed : 0;
            var scrollOffsetX = autoScrolls[this.layer].vx ? autoScrolls[this.layer].vx * speed : 0;
  
            if (typeof scrollCustomFn === 'function') {
              if (scrollCustomFn.call(Sortable.dragged.parentNode[expando], scrollOffsetX, scrollOffsetY, evt, touchEvt$1, autoScrolls[this.layer].el) !== 'continue') {
                return;
              }
            }
  
            scrollBy(autoScrolls[this.layer].el, scrollOffsetX, scrollOffsetY);
          }.bind({
            layer: layersOut
          }), 24);
        }
      }
  
      layersOut++;
    } while (options.bubbleScroll && currentParent !== winScroller && (currentParent = getParentAutoScrollElement(currentParent, false)));
  
    scrolling = scrollThisInstance; // in case another function catches scrolling as false in between when it is not
  }, 30);
  
  var drop = function drop(_ref) {
    var originalEvent = _ref.originalEvent,
        putSortable = _ref.putSortable,
        dragEl = _ref.dragEl,
        activeSortable = _ref.activeSortable,
        dispatchSortableEvent = _ref.dispatchSortableEvent,
        hideGhostForTarget = _ref.hideGhostForTarget,
        unhideGhostForTarget = _ref.unhideGhostForTarget;
    if (!originalEvent) return;
    var toSortable = putSortable || activeSortable;
    hideGhostForTarget();
    var touch = originalEvent.changedTouches && originalEvent.changedTouches.length ? originalEvent.changedTouches[0] : originalEvent;
    var target = document.elementFromPoint(touch.clientX, touch.clientY);
    unhideGhostForTarget();
  
    if (toSortable && !toSortable.el.contains(target)) {
      dispatchSortableEvent('spill');
      this.onSpill({
        dragEl: dragEl,
        putSortable: putSortable
      });
    }
  };
  
  function Revert() {}
  
  Revert.prototype = {
    startIndex: null,
    dragStart: function dragStart(_ref2) {
      var oldDraggableIndex = _ref2.oldDraggableIndex;
      this.startIndex = oldDraggableIndex;
    },
    onSpill: function onSpill(_ref3) {
      var dragEl = _ref3.dragEl,
          putSortable = _ref3.putSortable;
      this.sortable.captureAnimationState();
  
      if (putSortable) {
        putSortable.captureAnimationState();
      }
  
      var nextSibling = getChild(this.sortable.el, this.startIndex, this.options);
  
      if (nextSibling) {
        this.sortable.el.insertBefore(dragEl, nextSibling);
      } else {
        this.sortable.el.appendChild(dragEl);
      }
  
      this.sortable.animateAll();
  
      if (putSortable) {
        putSortable.animateAll();
      }
    },
    drop: drop
  };
  
  _extends(Revert, {
    pluginName: 'revertOnSpill'
  });
  
  function Remove() {}
  
  Remove.prototype = {
    onSpill: function onSpill(_ref4) {
      var dragEl = _ref4.dragEl,
          putSortable = _ref4.putSortable;
      var parentSortable = putSortable || this.sortable;
      parentSortable.captureAnimationState();
      dragEl.parentNode && dragEl.parentNode.removeChild(dragEl);
      parentSortable.animateAll();
    },
    drop: drop
  };
  
  _extends(Remove, {
    pluginName: 'removeOnSpill'
  });
  
  var lastSwapEl;
  
  function SwapPlugin() {
    function Swap() {
      this.defaults = {
        swapClass: 'sortable-swap-highlight'
      };
    }
  
    Swap.prototype = {
      dragStart: function dragStart(_ref) {
        var dragEl = _ref.dragEl;
        lastSwapEl = dragEl;
      },
      dragOverValid: function dragOverValid(_ref2) {
        var completed = _ref2.completed,
            target = _ref2.target,
            onMove = _ref2.onMove,
            activeSortable = _ref2.activeSortable,
            changed = _ref2.changed,
            cancel = _ref2.cancel;
        if (!activeSortable.options.swap) return;
        var el = this.sortable.el,
            options = this.options;
  
        if (target && target !== el) {
          var prevSwapEl = lastSwapEl;
  
          if (onMove(target) !== false) {
            toggleClass(target, options.swapClass, true);
            lastSwapEl = target;
          } else {
            lastSwapEl = null;
          }
  
          if (prevSwapEl && prevSwapEl !== lastSwapEl) {
            toggleClass(prevSwapEl, options.swapClass, false);
          }
        }
  
        changed();
        completed(true);
        cancel();
      },
      drop: function drop(_ref3) {
        var activeSortable = _ref3.activeSortable,
            putSortable = _ref3.putSortable,
            dragEl = _ref3.dragEl;
        var toSortable = putSortable || this.sortable;
        var options = this.options;
        lastSwapEl && toggleClass(lastSwapEl, options.swapClass, false);
  
        if (lastSwapEl && (options.swap || putSortable && putSortable.options.swap)) {
          if (dragEl !== lastSwapEl) {
            toSortable.captureAnimationState();
            if (toSortable !== activeSortable) activeSortable.captureAnimationState();
            swapNodes(dragEl, lastSwapEl);
            toSortable.animateAll();
            if (toSortable !== activeSortable) activeSortable.animateAll();
          }
        }
      },
      nulling: function nulling() {
        lastSwapEl = null;
      }
    };
    return _extends(Swap, {
      pluginName: 'swap',
      eventProperties: function eventProperties() {
        return {
          swapItem: lastSwapEl
        };
      }
    });
  }
  
  function swapNodes(n1, n2) {
    var p1 = n1.parentNode,
        p2 = n2.parentNode,
        i1,
        i2;
    if (!p1 || !p2 || p1.isEqualNode(n2) || p2.isEqualNode(n1)) return;
    i1 = index(n1);
    i2 = index(n2);
  
    if (p1.isEqualNode(p2) && i1 < i2) {
      i2++;
    }
  
    p1.insertBefore(n2, p1.children[i1]);
    p2.insertBefore(n1, p2.children[i2]);
  }
  
  var multiDragElements = [],
      multiDragClones = [],
      lastMultiDragSelect,
      // for selection with modifier key down (SHIFT)
  multiDragSortable,
      initialFolding = false,
      // Initial multi-drag fold when drag started
  folding = false,
      // Folding any other time
  dragStarted = false,
      dragEl$1,
      clonesFromRect,
      clonesHidden;
  
  function MultiDragPlugin() {
    function MultiDrag(sortable) {
      // Bind all private methods
      for (var fn in this) {
        if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {
          this[fn] = this[fn].bind(this);
        }
      }
  
      if (sortable.options.supportPointer) {
        on(document, 'pointerup', this._deselectMultiDrag);
      } else {
        on(document, 'mouseup', this._deselectMultiDrag);
        on(document, 'touchend', this._deselectMultiDrag);
      }
  
      on(document, 'keydown', this._checkKeyDown);
      on(document, 'keyup', this._checkKeyUp);
      this.defaults = {
        selectedClass: 'sortable-selected',
        multiDragKey: null,
        setData: function setData(dataTransfer, dragEl) {
          var data = '';
  
          if (multiDragElements.length && multiDragSortable === sortable) {
            multiDragElements.forEach(function (multiDragElement, i) {
              data += (!i ? '' : ', ') + multiDragElement.textContent;
            });
          } else {
            data = dragEl.textContent;
          }
  
          dataTransfer.setData('Text', data);
        }
      };
    }
  
    MultiDrag.prototype = {
      multiDragKeyDown: false,
      isMultiDrag: false,
      delayStartGlobal: function delayStartGlobal(_ref) {
        var dragged = _ref.dragEl;
        dragEl$1 = dragged;
      },
      delayEnded: function delayEnded() {
        this.isMultiDrag = ~multiDragElements.indexOf(dragEl$1);
      },
      setupClone: function setupClone(_ref2) {
        var sortable = _ref2.sortable,
            cancel = _ref2.cancel;
        if (!this.isMultiDrag) return;
  
        for (var i = 0; i < multiDragElements.length; i++) {
          multiDragClones.push(clone(multiDragElements[i]));
          multiDragClones[i].sortableIndex = multiDragElements[i].sortableIndex;
          multiDragClones[i].draggable = false;
          multiDragClones[i].style['will-change'] = '';
          toggleClass(multiDragClones[i], this.options.selectedClass, false);
          multiDragElements[i] === dragEl$1 && toggleClass(multiDragClones[i], this.options.chosenClass, false);
        }
  
        sortable._hideClone();
  
        cancel();
      },
      clone: function clone(_ref3) {
        var sortable = _ref3.sortable,
            rootEl = _ref3.rootEl,
            dispatchSortableEvent = _ref3.dispatchSortableEvent,
            cancel = _ref3.cancel;
        if (!this.isMultiDrag) return;
  
        if (!this.options.removeCloneOnHide) {
          if (multiDragElements.length && multiDragSortable === sortable) {
            insertMultiDragClones(true, rootEl);
            dispatchSortableEvent('clone');
            cancel();
          }
        }
      },
      showClone: function showClone(_ref4) {
        var cloneNowShown = _ref4.cloneNowShown,
            rootEl = _ref4.rootEl,
            cancel = _ref4.cancel;
        if (!this.isMultiDrag) return;
        insertMultiDragClones(false, rootEl);
        multiDragClones.forEach(function (clone) {
          css(clone, 'display', '');
        });
        cloneNowShown();
        clonesHidden = false;
        cancel();
      },
      hideClone: function hideClone(_ref5) {
        var _this = this;
  
        var sortable = _ref5.sortable,
            cloneNowHidden = _ref5.cloneNowHidden,
            cancel = _ref5.cancel;
        if (!this.isMultiDrag) return;
        multiDragClones.forEach(function (clone) {
          css(clone, 'display', 'none');
  
          if (_this.options.removeCloneOnHide && clone.parentNode) {
            clone.parentNode.removeChild(clone);
          }
        });
        cloneNowHidden();
        clonesHidden = true;
        cancel();
      },
      dragStartGlobal: function dragStartGlobal(_ref6) {
        var sortable = _ref6.sortable;
  
        if (!this.isMultiDrag && multiDragSortable) {
          multiDragSortable.multiDrag._deselectMultiDrag();
        }
  
        multiDragElements.forEach(function (multiDragElement) {
          multiDragElement.sortableIndex = index(multiDragElement);
        }); // Sort multi-drag elements
  
        multiDragElements = multiDragElements.sort(function (a, b) {
          return a.sortableIndex - b.sortableIndex;
        });
        dragStarted = true;
      },
      dragStarted: function dragStarted(_ref7) {
        var _this2 = this;
  
        var sortable = _ref7.sortable;
        if (!this.isMultiDrag) return;
  
        if (this.options.sort) {
          // Capture rects,
          // hide multi drag elements (by positioning them absolute),
          // set multi drag elements rects to dragRect,
          // show multi drag elements,
          // animate to rects,
          // unset rects & remove from DOM
          sortable.captureAnimationState();
  
          if (this.options.animation) {
            multiDragElements.forEach(function (multiDragElement) {
              if (multiDragElement === dragEl$1) return;
              css(multiDragElement, 'position', 'absolute');
            });
            var dragRect = getRect(dragEl$1, false, true, true);
            multiDragElements.forEach(function (multiDragElement) {
              if (multiDragElement === dragEl$1) return;
              setRect(multiDragElement, dragRect);
            });
            folding = true;
            initialFolding = true;
          }
        }
  
        sortable.animateAll(function () {
          folding = false;
          initialFolding = false;
  
          if (_this2.options.animation) {
            multiDragElements.forEach(function (multiDragElement) {
              unsetRect(multiDragElement);
            });
          } // Remove all auxiliary multidrag items from el, if sorting enabled
  
  
          if (_this2.options.sort) {
            removeMultiDragElements();
          }
        });
      },
      dragOver: function dragOver(_ref8) {
        var target = _ref8.target,
            completed = _ref8.completed,
            cancel = _ref8.cancel;
  
        if (folding && ~multiDragElements.indexOf(target)) {
          completed(false);
          cancel();
        }
      },
      revert: function revert(_ref9) {
        var fromSortable = _ref9.fromSortable,
            rootEl = _ref9.rootEl,
            sortable = _ref9.sortable,
            dragRect = _ref9.dragRect;
  
        if (multiDragElements.length > 1) {
          // Setup unfold animation
          multiDragElements.forEach(function (multiDragElement) {
            sortable.addAnimationState({
              target: multiDragElement,
              rect: folding ? getRect(multiDragElement) : dragRect
            });
            unsetRect(multiDragElement);
            multiDragElement.fromRect = dragRect;
            fromSortable.removeAnimationState(multiDragElement);
          });
          folding = false;
          insertMultiDragElements(!this.options.removeCloneOnHide, rootEl);
        }
      },
      dragOverCompleted: function dragOverCompleted(_ref10) {
        var sortable = _ref10.sortable,
            isOwner = _ref10.isOwner,
            insertion = _ref10.insertion,
            activeSortable = _ref10.activeSortable,
            parentEl = _ref10.parentEl,
            putSortable = _ref10.putSortable;
        var options = this.options;
  
        if (insertion) {
          // Clones must be hidden before folding animation to capture dragRectAbsolute properly
          if (isOwner) {
            activeSortable._hideClone();
          }
  
          initialFolding = false; // If leaving sort:false root, or already folding - Fold to new location
  
          if (options.animation && multiDragElements.length > 1 && (folding || !isOwner && !activeSortable.options.sort && !putSortable)) {
            // Fold: Set all multi drag elements's rects to dragEl's rect when multi-drag elements are invisible
            var dragRectAbsolute = getRect(dragEl$1, false, true, true);
            multiDragElements.forEach(function (multiDragElement) {
              if (multiDragElement === dragEl$1) return;
              setRect(multiDragElement, dragRectAbsolute); // Move element(s) to end of parentEl so that it does not interfere with multi-drag clones insertion if they are inserted
              // while folding, and so that we can capture them again because old sortable will no longer be fromSortable
  
              parentEl.appendChild(multiDragElement);
            });
            folding = true;
          } // Clones must be shown (and check to remove multi drags) after folding when interfering multiDragElements are moved out
  
  
          if (!isOwner) {
            // Only remove if not folding (folding will remove them anyways)
            if (!folding) {
              removeMultiDragElements();
            }
  
            if (multiDragElements.length > 1) {
              var clonesHiddenBefore = clonesHidden;
  
              activeSortable._showClone(sortable); // Unfold animation for clones if showing from hidden
  
  
              if (activeSortable.options.animation && !clonesHidden && clonesHiddenBefore) {
                multiDragClones.forEach(function (clone) {
                  activeSortable.addAnimationState({
                    target: clone,
                    rect: clonesFromRect
                  });
                  clone.fromRect = clonesFromRect;
                  clone.thisAnimationDuration = null;
                });
              }
            } else {
              activeSortable._showClone(sortable);
            }
          }
        }
      },
      dragOverAnimationCapture: function dragOverAnimationCapture(_ref11) {
        var dragRect = _ref11.dragRect,
            isOwner = _ref11.isOwner,
            activeSortable = _ref11.activeSortable;
        multiDragElements.forEach(function (multiDragElement) {
          multiDragElement.thisAnimationDuration = null;
        });
  
        if (activeSortable.options.animation && !isOwner && activeSortable.multiDrag.isMultiDrag) {
          clonesFromRect = _extends({}, dragRect);
          var dragMatrix = matrix(dragEl$1, true);
          clonesFromRect.top -= dragMatrix.f;
          clonesFromRect.left -= dragMatrix.e;
        }
      },
      dragOverAnimationComplete: function dragOverAnimationComplete() {
        if (folding) {
          folding = false;
          removeMultiDragElements();
        }
      },
      drop: function drop(_ref12) {
        var evt = _ref12.originalEvent,
            rootEl = _ref12.rootEl,
            parentEl = _ref12.parentEl,
            sortable = _ref12.sortable,
            dispatchSortableEvent = _ref12.dispatchSortableEvent,
            oldIndex = _ref12.oldIndex,
            putSortable = _ref12.putSortable;
        var toSortable = putSortable || this.sortable;
        if (!evt) return;
        var options = this.options,
            children = parentEl.children; // Multi-drag selection
  
        if (!dragStarted) {
          if (options.multiDragKey && !this.multiDragKeyDown) {
            this._deselectMultiDrag();
          }
  
          toggleClass(dragEl$1, options.selectedClass, !~multiDragElements.indexOf(dragEl$1));
  
          if (!~multiDragElements.indexOf(dragEl$1)) {
            multiDragElements.push(dragEl$1);
            dispatchEvent({
              sortable: sortable,
              rootEl: rootEl,
              name: 'select',
              targetEl: dragEl$1,
              originalEvt: evt
            }); // Modifier activated, select from last to dragEl
  
            if (evt.shiftKey && lastMultiDragSelect && sortable.el.contains(lastMultiDragSelect)) {
              var lastIndex = index(lastMultiDragSelect),
                  currentIndex = index(dragEl$1);
  
              if (~lastIndex && ~currentIndex && lastIndex !== currentIndex) {
                // Must include lastMultiDragSelect (select it), in case modified selection from no selection
                // (but previous selection existed)
                var n, i;
  
                if (currentIndex > lastIndex) {
                  i = lastIndex;
                  n = currentIndex;
                } else {
                  i = currentIndex;
                  n = lastIndex + 1;
                }
  
                for (; i < n; i++) {
                  if (~multiDragElements.indexOf(children[i])) continue;
                  toggleClass(children[i], options.selectedClass, true);
                  multiDragElements.push(children[i]);
                  dispatchEvent({
                    sortable: sortable,
                    rootEl: rootEl,
                    name: 'select',
                    targetEl: children[i],
                    originalEvt: evt
                  });
                }
              }
            } else {
              lastMultiDragSelect = dragEl$1;
            }
  
            multiDragSortable = toSortable;
          } else {
            multiDragElements.splice(multiDragElements.indexOf(dragEl$1), 1);
            lastMultiDragSelect = null;
            dispatchEvent({
              sortable: sortable,
              rootEl: rootEl,
              name: 'deselect',
              targetEl: dragEl$1,
              originalEvt: evt
            });
          }
        } // Multi-drag drop
  
  
        if (dragStarted && this.isMultiDrag) {
          // Do not "unfold" after around dragEl if reverted
          if ((parentEl[expando].options.sort || parentEl !== rootEl) && multiDragElements.length > 1) {
            var dragRect = getRect(dragEl$1),
                multiDragIndex = index(dragEl$1, ':not(.' + this.options.selectedClass + ')');
            if (!initialFolding && options.animation) dragEl$1.thisAnimationDuration = null;
            toSortable.captureAnimationState();
  
            if (!initialFolding) {
              if (options.animation) {
                dragEl$1.fromRect = dragRect;
                multiDragElements.forEach(function (multiDragElement) {
                  multiDragElement.thisAnimationDuration = null;
  
                  if (multiDragElement !== dragEl$1) {
                    var rect = folding ? getRect(multiDragElement) : dragRect;
                    multiDragElement.fromRect = rect; // Prepare unfold animation
  
                    toSortable.addAnimationState({
                      target: multiDragElement,
                      rect: rect
                    });
                  }
                });
              } // Multi drag elements are not necessarily removed from the DOM on drop, so to reinsert
              // properly they must all be removed
  
  
              removeMultiDragElements();
              multiDragElements.forEach(function (multiDragElement) {
                if (children[multiDragIndex]) {
                  parentEl.insertBefore(multiDragElement, children[multiDragIndex]);
                } else {
                  parentEl.appendChild(multiDragElement);
                }
  
                multiDragIndex++;
              }); // If initial folding is done, the elements may have changed position because they are now
              // unfolding around dragEl, even though dragEl may not have his index changed, so update event
              // must be fired here as Sortable will not.
  
              if (oldIndex === index(dragEl$1)) {
                var update = false;
                multiDragElements.forEach(function (multiDragElement) {
                  if (multiDragElement.sortableIndex !== index(multiDragElement)) {
                    update = true;
                    return;
                  }
                });
  
                if (update) {
                  dispatchSortableEvent('update');
                }
              }
            } // Must be done after capturing individual rects (scroll bar)
  
  
            multiDragElements.forEach(function (multiDragElement) {
              unsetRect(multiDragElement);
            });
            toSortable.animateAll();
          }
  
          multiDragSortable = toSortable;
        } // Remove clones if necessary
  
  
        if (rootEl === parentEl || putSortable && putSortable.lastPutMode !== 'clone') {
          multiDragClones.forEach(function (clone) {
            clone.parentNode && clone.parentNode.removeChild(clone);
          });
        }
      },
      nullingGlobal: function nullingGlobal() {
        this.isMultiDrag = dragStarted = false;
        multiDragClones.length = 0;
      },
      destroyGlobal: function destroyGlobal() {
        this._deselectMultiDrag();
  
        off(document, 'pointerup', this._deselectMultiDrag);
        off(document, 'mouseup', this._deselectMultiDrag);
        off(document, 'touchend', this._deselectMultiDrag);
        off(document, 'keydown', this._checkKeyDown);
        off(document, 'keyup', this._checkKeyUp);
      },
      _deselectMultiDrag: function _deselectMultiDrag(evt) {
        if (typeof dragStarted !== "undefined" && dragStarted) return; // Only deselect if selection is in this sortable
  
        if (multiDragSortable !== this.sortable) return; // Only deselect if target is not item in this sortable
  
        if (evt && closest(evt.target, this.options.draggable, this.sortable.el, false)) return; // Only deselect if left click
  
        if (evt && evt.button !== 0) return;
  
        while (multiDragElements.length) {
          var el = multiDragElements[0];
          toggleClass(el, this.options.selectedClass, false);
          multiDragElements.shift();
          dispatchEvent({
            sortable: this.sortable,
            rootEl: this.sortable.el,
            name: 'deselect',
            targetEl: el,
            originalEvt: evt
          });
        }
      },
      _checkKeyDown: function _checkKeyDown(evt) {
        if (evt.key === this.options.multiDragKey) {
          this.multiDragKeyDown = true;
        }
      },
      _checkKeyUp: function _checkKeyUp(evt) {
        if (evt.key === this.options.multiDragKey) {
          this.multiDragKeyDown = false;
        }
      }
    };
    return _extends(MultiDrag, {
      // Static methods & properties
      pluginName: 'multiDrag',
      utils: {
        /**
         * Selects the provided multi-drag item
         * @param  {HTMLElement} el    The element to be selected
         */
        select: function select(el) {
          var sortable = el.parentNode[expando];
          if (!sortable || !sortable.options.multiDrag || ~multiDragElements.indexOf(el)) return;
  
          if (multiDragSortable && multiDragSortable !== sortable) {
            multiDragSortable.multiDrag._deselectMultiDrag();
  
            multiDragSortable = sortable;
          }
  
          toggleClass(el, sortable.options.selectedClass, true);
          multiDragElements.push(el);
        },
  
        /**
         * Deselects the provided multi-drag item
         * @param  {HTMLElement} el    The element to be deselected
         */
        deselect: function deselect(el) {
          var sortable = el.parentNode[expando],
              index = multiDragElements.indexOf(el);
          if (!sortable || !sortable.options.multiDrag || !~index) return;
          toggleClass(el, sortable.options.selectedClass, false);
          multiDragElements.splice(index, 1);
        }
      },
      eventProperties: function eventProperties() {
        var _this3 = this;
  
        var oldIndicies = [],
            newIndicies = [];
        multiDragElements.forEach(function (multiDragElement) {
          oldIndicies.push({
            multiDragElement: multiDragElement,
            index: multiDragElement.sortableIndex
          }); // multiDragElements will already be sorted if folding
  
          var newIndex;
  
          if (folding && multiDragElement !== dragEl$1) {
            newIndex = -1;
          } else if (folding) {
            newIndex = index(multiDragElement, ':not(.' + _this3.options.selectedClass + ')');
          } else {
            newIndex = index(multiDragElement);
          }
  
          newIndicies.push({
            multiDragElement: multiDragElement,
            index: newIndex
          });
        });
        return {
          items: _toConsumableArray(multiDragElements),
          clones: [].concat(multiDragClones),
          oldIndicies: oldIndicies,
          newIndicies: newIndicies
        };
      },
      optionListeners: {
        multiDragKey: function multiDragKey(key) {
          key = key.toLowerCase();
  
          if (key === 'ctrl') {
            key = 'Control';
          } else if (key.length > 1) {
            key = key.charAt(0).toUpperCase() + key.substr(1);
          }
  
          return key;
        }
      }
    });
  }
  
  function insertMultiDragElements(clonesInserted, rootEl) {
    multiDragElements.forEach(function (multiDragElement, i) {
      var target = rootEl.children[multiDragElement.sortableIndex + (clonesInserted ? Number(i) : 0)];
  
      if (target) {
        rootEl.insertBefore(multiDragElement, target);
      } else {
        rootEl.appendChild(multiDragElement);
      }
    });
  }
  /**
   * Insert multi-drag clones
   * @param  {[Boolean]} elementsInserted  Whether the multi-drag elements are inserted
   * @param  {HTMLElement} rootEl
   */
  
  
  function insertMultiDragClones(elementsInserted, rootEl) {
    multiDragClones.forEach(function (clone, i) {
      var target = rootEl.children[clone.sortableIndex + (elementsInserted ? Number(i) : 0)];
  
      if (target) {
        rootEl.insertBefore(clone, target);
      } else {
        rootEl.appendChild(clone);
      }
    });
  }
  
  function removeMultiDragElements() {
    multiDragElements.forEach(function (multiDragElement) {
      if (multiDragElement === dragEl$1) return;
      multiDragElement.parentNode && multiDragElement.parentNode.removeChild(multiDragElement);
    });
  }
  
  Sortable.mount(new AutoScrollPlugin());
  Sortable.mount(Remove, Revert);
  
  /* harmony default export */ __webpack_exports__["default"] = (Sortable);
  
  
  
  /***/ }),
  
  /***/ "./node_modules/vuedraggable/dist/vuedraggable.umd.js":
  /*!************************************************************!*\
    !*** ./node_modules/vuedraggable/dist/vuedraggable.umd.js ***!
    \************************************************************/
  /*! no static exports found */
  /***/ (function(module, exports, __webpack_require__) {
  
  (function webpackUniversalModuleDefinition(root, factory) {
  	if(true)
  		module.exports = factory(__webpack_require__(/*! sortablejs */ "./node_modules/sortablejs/modular/sortable.esm.js"));
  	else {}
  })((typeof self !== 'undefined' ? self : this), function(__WEBPACK_EXTERNAL_MODULE_a352__) {
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  /***/ "01f9":
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  var LIBRARY = __webpack_require__("2d00");
  var $export = __webpack_require__("5ca1");
  var redefine = __webpack_require__("2aba");
  var hide = __webpack_require__("32e9");
  var Iterators = __webpack_require__("84f2");
  var $iterCreate = __webpack_require__("41a0");
  var setToStringTag = __webpack_require__("7f20");
  var getPrototypeOf = __webpack_require__("38fd");
  var ITERATOR = __webpack_require__("2b4c")('iterator');
  var BUGGY = !([].keys && 'next' in [].keys()); // Safari has buggy iterators w/o `next`
  var FF_ITERATOR = '@@iterator';
  var KEYS = 'keys';
  var VALUES = 'values';
  
  var returnThis = function () { return this; };
  
  module.exports = function (Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED) {
    $iterCreate(Constructor, NAME, next);
    var getMethod = function (kind) {
      if (!BUGGY && kind in proto) return proto[kind];
      switch (kind) {
        case KEYS: return function keys() { return new Constructor(this, kind); };
        case VALUES: return function values() { return new Constructor(this, kind); };
      } return function entries() { return new Constructor(this, kind); };
    };
    var TAG = NAME + ' Iterator';
    var DEF_VALUES = DEFAULT == VALUES;
    var VALUES_BUG = false;
    var proto = Base.prototype;
    var $native = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT];
    var $default = $native || getMethod(DEFAULT);
    var $entries = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined;
    var $anyNative = NAME == 'Array' ? proto.entries || $native : $native;
    var methods, key, IteratorPrototype;
    // Fix native
    if ($anyNative) {
      IteratorPrototype = getPrototypeOf($anyNative.call(new Base()));
      if (IteratorPrototype !== Object.prototype && IteratorPrototype.next) {
        // Set @@toStringTag to native iterators
        setToStringTag(IteratorPrototype, TAG, true);
        // fix for some old engines
        if (!LIBRARY && typeof IteratorPrototype[ITERATOR] != 'function') hide(IteratorPrototype, ITERATOR, returnThis);
      }
    }
    // fix Array#{values, @@iterator}.name in V8 / FF
    if (DEF_VALUES && $native && $native.name !== VALUES) {
      VALUES_BUG = true;
      $default = function values() { return $native.call(this); };
    }
    // Define iterator
    if ((!LIBRARY || FORCED) && (BUGGY || VALUES_BUG || !proto[ITERATOR])) {
      hide(proto, ITERATOR, $default);
    }
    // Plug for library
    Iterators[NAME] = $default;
    Iterators[TAG] = returnThis;
    if (DEFAULT) {
      methods = {
        values: DEF_VALUES ? $default : getMethod(VALUES),
        keys: IS_SET ? $default : getMethod(KEYS),
        entries: $entries
      };
      if (FORCED) for (key in methods) {
        if (!(key in proto)) redefine(proto, key, methods[key]);
      } else $export($export.P + $export.F * (BUGGY || VALUES_BUG), NAME, methods);
    }
    return methods;
  };
  
  
  /***/ }),
  
  /***/ "02f4":
  /***/ (function(module, exports, __webpack_require__) {
  
  var toInteger = __webpack_require__("4588");
  var defined = __webpack_require__("be13");
  // true  -> String#at
  // false -> String#codePointAt
  module.exports = function (TO_STRING) {
    return function (that, pos) {
      var s = String(defined(that));
      var i = toInteger(pos);
      var l = s.length;
      var a, b;
      if (i < 0 || i >= l) return TO_STRING ? '' : undefined;
      a = s.charCodeAt(i);
      return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff
        ? TO_STRING ? s.charAt(i) : a
        : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;
    };
  };
  
  
  /***/ }),
  
  /***/ "0390":
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  var at = __webpack_require__("02f4")(true);
  
   // `AdvanceStringIndex` abstract operation
  // https://tc39.github.io/ecma262/#sec-advancestringindex
  module.exports = function (S, index, unicode) {
    return index + (unicode ? at(S, index).length : 1);
  };
  
  
  /***/ }),
  
  /***/ "0bfb":
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  // 21.2.5.3 get RegExp.prototype.flags
  var anObject = __webpack_require__("cb7c");
  module.exports = function () {
    var that = anObject(this);
    var result = '';
    if (that.global) result += 'g';
    if (that.ignoreCase) result += 'i';
    if (that.multiline) result += 'm';
    if (that.unicode) result += 'u';
    if (that.sticky) result += 'y';
    return result;
  };
  
  
  /***/ }),
  
  /***/ "0d58":
  /***/ (function(module, exports, __webpack_require__) {
  
  // 19.1.2.14 / 15.2.3.14 Object.keys(O)
  var $keys = __webpack_require__("ce10");
  var enumBugKeys = __webpack_require__("e11e");
  
  module.exports = Object.keys || function keys(O) {
    return $keys(O, enumBugKeys);
  };
  
  
  /***/ }),
  
  /***/ "1495":
  /***/ (function(module, exports, __webpack_require__) {
  
  var dP = __webpack_require__("86cc");
  var anObject = __webpack_require__("cb7c");
  var getKeys = __webpack_require__("0d58");
  
  module.exports = __webpack_require__("9e1e") ? Object.defineProperties : function defineProperties(O, Properties) {
    anObject(O);
    var keys = getKeys(Properties);
    var length = keys.length;
    var i = 0;
    var P;
    while (length > i) dP.f(O, P = keys[i++], Properties[P]);
    return O;
  };
  
  
  /***/ }),
  
  /***/ "214f":
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  __webpack_require__("b0c5");
  var redefine = __webpack_require__("2aba");
  var hide = __webpack_require__("32e9");
  var fails = __webpack_require__("79e5");
  var defined = __webpack_require__("be13");
  var wks = __webpack_require__("2b4c");
  var regexpExec = __webpack_require__("520a");
  
  var SPECIES = wks('species');
  
  var REPLACE_SUPPORTS_NAMED_GROUPS = !fails(function () {
    // #replace needs built-in support for named groups.
    // #match works fine because it just return the exec results, even if it has
    // a "grops" property.
    var re = /./;
    re.exec = function () {
      var result = [];
      result.groups = { a: '7' };
      return result;
    };
    return ''.replace(re, '$<a>') !== '7';
  });
  
  var SPLIT_WORKS_WITH_OVERWRITTEN_EXEC = (function () {
    // Chrome 51 has a buggy "split" implementation when RegExp#exec !== nativeExec
    var re = /(?:)/;
    var originalExec = re.exec;
    re.exec = function () { return originalExec.apply(this, arguments); };
    var result = 'ab'.split(re);
    return result.length === 2 && result[0] === 'a' && result[1] === 'b';
  })();
  
  module.exports = function (KEY, length, exec) {
    var SYMBOL = wks(KEY);
  
    var DELEGATES_TO_SYMBOL = !fails(function () {
      // String methods call symbol-named RegEp methods
      var O = {};
      O[SYMBOL] = function () { return 7; };
      return ''[KEY](O) != 7;
    });
  
    var DELEGATES_TO_EXEC = DELEGATES_TO_SYMBOL ? !fails(function () {
      // Symbol-named RegExp methods call .exec
      var execCalled = false;
      var re = /a/;
      re.exec = function () { execCalled = true; return null; };
      if (KEY === 'split') {
        // RegExp[@@split] doesn't call the regex's exec method, but first creates
        // a new one. We need to return the patched regex when creating the new one.
        re.constructor = {};
        re.constructor[SPECIES] = function () { return re; };
      }
      re[SYMBOL]('');
      return !execCalled;
    }) : undefined;
  
    if (
      !DELEGATES_TO_SYMBOL ||
      !DELEGATES_TO_EXEC ||
      (KEY === 'replace' && !REPLACE_SUPPORTS_NAMED_GROUPS) ||
      (KEY === 'split' && !SPLIT_WORKS_WITH_OVERWRITTEN_EXEC)
    ) {
      var nativeRegExpMethod = /./[SYMBOL];
      var fns = exec(
        defined,
        SYMBOL,
        ''[KEY],
        function maybeCallNative(nativeMethod, regexp, str, arg2, forceStringMethod) {
          if (regexp.exec === regexpExec) {
            if (DELEGATES_TO_SYMBOL && !forceStringMethod) {
              // The native String method already delegates to @@method (this
              // polyfilled function), leasing to infinite recursion.
              // We avoid it by directly calling the native @@method method.
              return { done: true, value: nativeRegExpMethod.call(regexp, str, arg2) };
            }
            return { done: true, value: nativeMethod.call(str, regexp, arg2) };
          }
          return { done: false };
        }
      );
      var strfn = fns[0];
      var rxfn = fns[1];
  
      redefine(String.prototype, KEY, strfn);
      hide(RegExp.prototype, SYMBOL, length == 2
        // 21.2.5.8 RegExp.prototype[@@replace](string, replaceValue)
        // 21.2.5.11 RegExp.prototype[@@split](string, limit)
        ? function (string, arg) { return rxfn.call(string, this, arg); }
        // 21.2.5.6 RegExp.prototype[@@match](string)
        // 21.2.5.9 RegExp.prototype[@@search](string)
        : function (string) { return rxfn.call(string, this); }
      );
    }
  };
  
  
  /***/ }),
  
  /***/ "230e":
  /***/ (function(module, exports, __webpack_require__) {
  
  var isObject = __webpack_require__("d3f4");
  var document = __webpack_require__("7726").document;
  // typeof document.createElement is 'object' in old IE
  var is = isObject(document) && isObject(document.createElement);
  module.exports = function (it) {
    return is ? document.createElement(it) : {};
  };
  
  
  /***/ }),
  
  /***/ "23c6":
  /***/ (function(module, exports, __webpack_require__) {
  
  // getting tag from 19.1.3.6 Object.prototype.toString()
  var cof = __webpack_require__("2d95");
  var TAG = __webpack_require__("2b4c")('toStringTag');
  // ES3 wrong here
  var ARG = cof(function () { return arguments; }()) == 'Arguments';
  
  // fallback for IE11 Script Access Denied error
  var tryGet = function (it, key) {
    try {
      return it[key];
    } catch (e) { /* empty */ }
  };
  
  module.exports = function (it) {
    var O, T, B;
    return it === undefined ? 'Undefined' : it === null ? 'Null'
      // @@toStringTag case
      : typeof (T = tryGet(O = Object(it), TAG)) == 'string' ? T
      // builtinTag case
      : ARG ? cof(O)
      // ES3 arguments fallback
      : (B = cof(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : B;
  };
  
  
  /***/ }),
  
  /***/ "2621":
  /***/ (function(module, exports) {
  
  exports.f = Object.getOwnPropertySymbols;
  
  
  /***/ }),
  
  /***/ "2aba":
  /***/ (function(module, exports, __webpack_require__) {
  
  var global = __webpack_require__("7726");
  var hide = __webpack_require__("32e9");
  var has = __webpack_require__("69a8");
  var SRC = __webpack_require__("ca5a")('src');
  var $toString = __webpack_require__("fa5b");
  var TO_STRING = 'toString';
  var TPL = ('' + $toString).split(TO_STRING);
  
  __webpack_require__("8378").inspectSource = function (it) {
    return $toString.call(it);
  };
  
  (module.exports = function (O, key, val, safe) {
    var isFunction = typeof val == 'function';
    if (isFunction) has(val, 'name') || hide(val, 'name', key);
    if (O[key] === val) return;
    if (isFunction) has(val, SRC) || hide(val, SRC, O[key] ? '' + O[key] : TPL.join(String(key)));
    if (O === global) {
      O[key] = val;
    } else if (!safe) {
      delete O[key];
      hide(O, key, val);
    } else if (O[key]) {
      O[key] = val;
    } else {
      hide(O, key, val);
    }
  // add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative
  })(Function.prototype, TO_STRING, function toString() {
    return typeof this == 'function' && this[SRC] || $toString.call(this);
  });
  
  
  /***/ }),
  
  /***/ "2aeb":
  /***/ (function(module, exports, __webpack_require__) {
  
  // 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])
  var anObject = __webpack_require__("cb7c");
  var dPs = __webpack_require__("1495");
  var enumBugKeys = __webpack_require__("e11e");
  var IE_PROTO = __webpack_require__("613b")('IE_PROTO');
  var Empty = function () { /* empty */ };
  var PROTOTYPE = 'prototype';
  
  // Create object with fake `null` prototype: use iframe Object with cleared prototype
  var createDict = function () {
    // Thrash, waste and sodomy: IE GC bug
    var iframe = __webpack_require__("230e")('iframe');
    var i = enumBugKeys.length;
    var lt = '<';
    var gt = '>';
    var iframeDocument;
    iframe.style.display = 'none';
    __webpack_require__("fab2").appendChild(iframe);
    iframe.src = 'javascript:'; // eslint-disable-line no-script-url
    // createDict = iframe.contentWindow.Object;
    // html.removeChild(iframe);
    iframeDocument = iframe.contentWindow.document;
    iframeDocument.open();
    iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt);
    iframeDocument.close();
    createDict = iframeDocument.F;
    while (i--) delete createDict[PROTOTYPE][enumBugKeys[i]];
    return createDict();
  };
  
  module.exports = Object.create || function create(O, Properties) {
    var result;
    if (O !== null) {
      Empty[PROTOTYPE] = anObject(O);
      result = new Empty();
      Empty[PROTOTYPE] = null;
      // add "__proto__" for Object.getPrototypeOf polyfill
      result[IE_PROTO] = O;
    } else result = createDict();
    return Properties === undefined ? result : dPs(result, Properties);
  };
  
  
  /***/ }),
  
  /***/ "2b4c":
  /***/ (function(module, exports, __webpack_require__) {
  
  var store = __webpack_require__("5537")('wks');
  var uid = __webpack_require__("ca5a");
  var Symbol = __webpack_require__("7726").Symbol;
  var USE_SYMBOL = typeof Symbol == 'function';
  
  var $exports = module.exports = function (name) {
    return store[name] || (store[name] =
      USE_SYMBOL && Symbol[name] || (USE_SYMBOL ? Symbol : uid)('Symbol.' + name));
  };
  
  $exports.store = store;
  
  
  /***/ }),
  
  /***/ "2d00":
  /***/ (function(module, exports) {
  
  module.exports = false;
  
  
  /***/ }),
  
  /***/ "2d95":
  /***/ (function(module, exports) {
  
  var toString = {}.toString;
  
  module.exports = function (it) {
    return toString.call(it).slice(8, -1);
  };
  
  
  /***/ }),
  
  /***/ "2fdb":
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  // 21.1.3.7 String.prototype.includes(searchString, position = 0)
  
  var $export = __webpack_require__("5ca1");
  var context = __webpack_require__("d2c8");
  var INCLUDES = 'includes';
  
  $export($export.P + $export.F * __webpack_require__("5147")(INCLUDES), 'String', {
    includes: function includes(searchString /* , position = 0 */) {
      return !!~context(this, searchString, INCLUDES)
        .indexOf(searchString, arguments.length > 1 ? arguments[1] : undefined);
    }
  });
  
  
  /***/ }),
  
  /***/ "32e9":
  /***/ (function(module, exports, __webpack_require__) {
  
  var dP = __webpack_require__("86cc");
  var createDesc = __webpack_require__("4630");
  module.exports = __webpack_require__("9e1e") ? function (object, key, value) {
    return dP.f(object, key, createDesc(1, value));
  } : function (object, key, value) {
    object[key] = value;
    return object;
  };
  
  
  /***/ }),
  
  /***/ "38fd":
  /***/ (function(module, exports, __webpack_require__) {
  
  // 19.1.2.9 / 15.2.3.2 Object.getPrototypeOf(O)
  var has = __webpack_require__("69a8");
  var toObject = __webpack_require__("4bf8");
  var IE_PROTO = __webpack_require__("613b")('IE_PROTO');
  var ObjectProto = Object.prototype;
  
  module.exports = Object.getPrototypeOf || function (O) {
    O = toObject(O);
    if (has(O, IE_PROTO)) return O[IE_PROTO];
    if (typeof O.constructor == 'function' && O instanceof O.constructor) {
      return O.constructor.prototype;
    } return O instanceof Object ? ObjectProto : null;
  };
  
  
  /***/ }),
  
  /***/ "41a0":
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  var create = __webpack_require__("2aeb");
  var descriptor = __webpack_require__("4630");
  var setToStringTag = __webpack_require__("7f20");
  var IteratorPrototype = {};
  
  // 25.1.2.1.1 %IteratorPrototype%[@@iterator]()
  __webpack_require__("32e9")(IteratorPrototype, __webpack_require__("2b4c")('iterator'), function () { return this; });
  
  module.exports = function (Constructor, NAME, next) {
    Constructor.prototype = create(IteratorPrototype, { next: descriptor(1, next) });
    setToStringTag(Constructor, NAME + ' Iterator');
  };
  
  
  /***/ }),
  
  /***/ "456d":
  /***/ (function(module, exports, __webpack_require__) {
  
  // 19.1.2.14 Object.keys(O)
  var toObject = __webpack_require__("4bf8");
  var $keys = __webpack_require__("0d58");
  
  __webpack_require__("5eda")('keys', function () {
    return function keys(it) {
      return $keys(toObject(it));
    };
  });
  
  
  /***/ }),
  
  /***/ "4588":
  /***/ (function(module, exports) {
  
  // 7.1.4 ToInteger
  var ceil = Math.ceil;
  var floor = Math.floor;
  module.exports = function (it) {
    return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);
  };
  
  
  /***/ }),
  
  /***/ "4630":
  /***/ (function(module, exports) {
  
  module.exports = function (bitmap, value) {
    return {
      enumerable: !(bitmap & 1),
      configurable: !(bitmap & 2),
      writable: !(bitmap & 4),
      value: value
    };
  };
  
  
  /***/ }),
  
  /***/ "4bf8":
  /***/ (function(module, exports, __webpack_require__) {
  
  // 7.1.13 ToObject(argument)
  var defined = __webpack_require__("be13");
  module.exports = function (it) {
    return Object(defined(it));
  };
  
  
  /***/ }),
  
  /***/ "5147":
  /***/ (function(module, exports, __webpack_require__) {
  
  var MATCH = __webpack_require__("2b4c")('match');
  module.exports = function (KEY) {
    var re = /./;
    try {
      '/./'[KEY](re);
    } catch (e) {
      try {
        re[MATCH] = false;
        return !'/./'[KEY](re);
      } catch (f) { /* empty */ }
    } return true;
  };
  
  
  /***/ }),
  
  /***/ "520a":
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  var regexpFlags = __webpack_require__("0bfb");
  
  var nativeExec = RegExp.prototype.exec;
  // This always refers to the native implementation, because the
  // String#replace polyfill uses ./fix-regexp-well-known-symbol-logic.js,
  // which loads this file before patching the method.
  var nativeReplace = String.prototype.replace;
  
  var patchedExec = nativeExec;
  
  var LAST_INDEX = 'lastIndex';
  
  var UPDATES_LAST_INDEX_WRONG = (function () {
    var re1 = /a/,
        re2 = /b*/g;
    nativeExec.call(re1, 'a');
    nativeExec.call(re2, 'a');
    return re1[LAST_INDEX] !== 0 || re2[LAST_INDEX] !== 0;
  })();
  
  // nonparticipating capturing group, copied from es5-shim's String#split patch.
  var NPCG_INCLUDED = /()??/.exec('')[1] !== undefined;
  
  var PATCH = UPDATES_LAST_INDEX_WRONG || NPCG_INCLUDED;
  
  if (PATCH) {
    patchedExec = function exec(str) {
      var re = this;
      var lastIndex, reCopy, match, i;
  
      if (NPCG_INCLUDED) {
        reCopy = new RegExp('^' + re.source + '$(?!\\s)', regexpFlags.call(re));
      }
      if (UPDATES_LAST_INDEX_WRONG) lastIndex = re[LAST_INDEX];
  
      match = nativeExec.call(re, str);
  
      if (UPDATES_LAST_INDEX_WRONG && match) {
        re[LAST_INDEX] = re.global ? match.index + match[0].length : lastIndex;
      }
      if (NPCG_INCLUDED && match && match.length > 1) {
        // Fix browsers whose `exec` methods don't consistently return `undefined`
        // for NPCG, like IE8. NOTE: This doesn' work for /(.?)?/
        // eslint-disable-next-line no-loop-func
        nativeReplace.call(match[0], reCopy, function () {
          for (i = 1; i < arguments.length - 2; i++) {
            if (arguments[i] === undefined) match[i] = undefined;
          }
        });
      }
  
      return match;
    };
  }
  
  module.exports = patchedExec;
  
  
  /***/ }),
  
  /***/ "52a7":
  /***/ (function(module, exports) {
  
  exports.f = {}.propertyIsEnumerable;
  
  
  /***/ }),
  
  /***/ "5537":
  /***/ (function(module, exports, __webpack_require__) {
  
  var core = __webpack_require__("8378");
  var global = __webpack_require__("7726");
  var SHARED = '__core-js_shared__';
  var store = global[SHARED] || (global[SHARED] = {});
  
  (module.exports = function (key, value) {
    return store[key] || (store[key] = value !== undefined ? value : {});
  })('versions', []).push({
    version: core.version,
    mode: __webpack_require__("2d00") ? 'pure' : 'global',
    copyright: '© 2019 Denis Pushkarev (zloirock.ru)'
  });
  
  
  /***/ }),
  
  /***/ "5ca1":
  /***/ (function(module, exports, __webpack_require__) {
  
  var global = __webpack_require__("7726");
  var core = __webpack_require__("8378");
  var hide = __webpack_require__("32e9");
  var redefine = __webpack_require__("2aba");
  var ctx = __webpack_require__("9b43");
  var PROTOTYPE = 'prototype';
  
  var $export = function (type, name, source) {
    var IS_FORCED = type & $export.F;
    var IS_GLOBAL = type & $export.G;
    var IS_STATIC = type & $export.S;
    var IS_PROTO = type & $export.P;
    var IS_BIND = type & $export.B;
    var target = IS_GLOBAL ? global : IS_STATIC ? global[name] || (global[name] = {}) : (global[name] || {})[PROTOTYPE];
    var exports = IS_GLOBAL ? core : core[name] || (core[name] = {});
    var expProto = exports[PROTOTYPE] || (exports[PROTOTYPE] = {});
    var key, own, out, exp;
    if (IS_GLOBAL) source = name;
    for (key in source) {
      // contains in native
      own = !IS_FORCED && target && target[key] !== undefined;
      // export native or passed
      out = (own ? target : source)[key];
      // bind timers to global for call from export context
      exp = IS_BIND && own ? ctx(out, global) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;
      // extend global
      if (target) redefine(target, key, out, type & $export.U);
      // export
      if (exports[key] != out) hide(exports, key, exp);
      if (IS_PROTO && expProto[key] != out) expProto[key] = out;
    }
  };
  global.core = core;
  // type bitmap
  $export.F = 1;   // forced
  $export.G = 2;   // global
  $export.S = 4;   // static
  $export.P = 8;   // proto
  $export.B = 16;  // bind
  $export.W = 32;  // wrap
  $export.U = 64;  // safe
  $export.R = 128; // real proto method for `library`
  module.exports = $export;
  
  
  /***/ }),
  
  /***/ "5eda":
  /***/ (function(module, exports, __webpack_require__) {
  
  // most Object methods by ES6 should accept primitives
  var $export = __webpack_require__("5ca1");
  var core = __webpack_require__("8378");
  var fails = __webpack_require__("79e5");
  module.exports = function (KEY, exec) {
    var fn = (core.Object || {})[KEY] || Object[KEY];
    var exp = {};
    exp[KEY] = exec(fn);
    $export($export.S + $export.F * fails(function () { fn(1); }), 'Object', exp);
  };
  
  
  /***/ }),
  
  /***/ "5f1b":
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  var classof = __webpack_require__("23c6");
  var builtinExec = RegExp.prototype.exec;
  
   // `RegExpExec` abstract operation
  // https://tc39.github.io/ecma262/#sec-regexpexec
  module.exports = function (R, S) {
    var exec = R.exec;
    if (typeof exec === 'function') {
      var result = exec.call(R, S);
      if (typeof result !== 'object') {
        throw new TypeError('RegExp exec method returned something other than an Object or null');
      }
      return result;
    }
    if (classof(R) !== 'RegExp') {
      throw new TypeError('RegExp#exec called on incompatible receiver');
    }
    return builtinExec.call(R, S);
  };
  
  
  /***/ }),
  
  /***/ "613b":
  /***/ (function(module, exports, __webpack_require__) {
  
  var shared = __webpack_require__("5537")('keys');
  var uid = __webpack_require__("ca5a");
  module.exports = function (key) {
    return shared[key] || (shared[key] = uid(key));
  };
  
  
  /***/ }),
  
  /***/ "626a":
  /***/ (function(module, exports, __webpack_require__) {
  
  // fallback for non-array-like ES3 and non-enumerable old V8 strings
  var cof = __webpack_require__("2d95");
  // eslint-disable-next-line no-prototype-builtins
  module.exports = Object('z').propertyIsEnumerable(0) ? Object : function (it) {
    return cof(it) == 'String' ? it.split('') : Object(it);
  };
  
  
  /***/ }),
  
  /***/ "6762":
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  // https://github.com/tc39/Array.prototype.includes
  var $export = __webpack_require__("5ca1");
  var $includes = __webpack_require__("c366")(true);
  
  $export($export.P, 'Array', {
    includes: function includes(el /* , fromIndex = 0 */) {
      return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined);
    }
  });
  
  __webpack_require__("9c6c")('includes');
  
  
  /***/ }),
  
  /***/ "6821":
  /***/ (function(module, exports, __webpack_require__) {
  
  // to indexed object, toObject with fallback for non-array-like ES3 strings
  var IObject = __webpack_require__("626a");
  var defined = __webpack_require__("be13");
  module.exports = function (it) {
    return IObject(defined(it));
  };
  
  
  /***/ }),
  
  /***/ "69a8":
  /***/ (function(module, exports) {
  
  var hasOwnProperty = {}.hasOwnProperty;
  module.exports = function (it, key) {
    return hasOwnProperty.call(it, key);
  };
  
  
  /***/ }),
  
  /***/ "6a99":
  /***/ (function(module, exports, __webpack_require__) {
  
  // 7.1.1 ToPrimitive(input [, PreferredType])
  var isObject = __webpack_require__("d3f4");
  // instead of the ES6 spec version, we didn't implement @@toPrimitive case
  // and the second argument - flag - preferred type is a string
  module.exports = function (it, S) {
    if (!isObject(it)) return it;
    var fn, val;
    if (S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;
    if (typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it))) return val;
    if (!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;
    throw TypeError("Can't convert object to primitive value");
  };
  
  
  /***/ }),
  
  /***/ "7333":
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  // 19.1.2.1 Object.assign(target, source, ...)
  var getKeys = __webpack_require__("0d58");
  var gOPS = __webpack_require__("2621");
  var pIE = __webpack_require__("52a7");
  var toObject = __webpack_require__("4bf8");
  var IObject = __webpack_require__("626a");
  var $assign = Object.assign;
  
  // should work with symbols and should have deterministic property order (V8 bug)
  module.exports = !$assign || __webpack_require__("79e5")(function () {
    var A = {};
    var B = {};
    // eslint-disable-next-line no-undef
    var S = Symbol();
    var K = 'abcdefghijklmnopqrst';
    A[S] = 7;
    K.split('').forEach(function (k) { B[k] = k; });
    return $assign({}, A)[S] != 7 || Object.keys($assign({}, B)).join('') != K;
  }) ? function assign(target, source) { // eslint-disable-line no-unused-vars
    var T = toObject(target);
    var aLen = arguments.length;
    var index = 1;
    var getSymbols = gOPS.f;
    var isEnum = pIE.f;
    while (aLen > index) {
      var S = IObject(arguments[index++]);
      var keys = getSymbols ? getKeys(S).concat(getSymbols(S)) : getKeys(S);
      var length = keys.length;
      var j = 0;
      var key;
      while (length > j) if (isEnum.call(S, key = keys[j++])) T[key] = S[key];
    } return T;
  } : $assign;
  
  
  /***/ }),
  
  /***/ "7726":
  /***/ (function(module, exports) {
  
  // https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
  var global = module.exports = typeof window != 'undefined' && window.Math == Math
    ? window : typeof self != 'undefined' && self.Math == Math ? self
    // eslint-disable-next-line no-new-func
    : Function('return this')();
  if (typeof __g == 'number') __g = global; // eslint-disable-line no-undef
  
  
  /***/ }),
  
  /***/ "77f1":
  /***/ (function(module, exports, __webpack_require__) {
  
  var toInteger = __webpack_require__("4588");
  var max = Math.max;
  var min = Math.min;
  module.exports = function (index, length) {
    index = toInteger(index);
    return index < 0 ? max(index + length, 0) : min(index, length);
  };
  
  
  /***/ }),
  
  /***/ "79e5":
  /***/ (function(module, exports) {
  
  module.exports = function (exec) {
    try {
      return !!exec();
    } catch (e) {
      return true;
    }
  };
  
  
  /***/ }),
  
  /***/ "7f20":
  /***/ (function(module, exports, __webpack_require__) {
  
  var def = __webpack_require__("86cc").f;
  var has = __webpack_require__("69a8");
  var TAG = __webpack_require__("2b4c")('toStringTag');
  
  module.exports = function (it, tag, stat) {
    if (it && !has(it = stat ? it : it.prototype, TAG)) def(it, TAG, { configurable: true, value: tag });
  };
  
  
  /***/ }),
  
  /***/ "8378":
  /***/ (function(module, exports) {
  
  var core = module.exports = { version: '2.6.5' };
  if (typeof __e == 'number') __e = core; // eslint-disable-line no-undef
  
  
  /***/ }),
  
  /***/ "84f2":
  /***/ (function(module, exports) {
  
  module.exports = {};
  
  
  /***/ }),
  
  /***/ "86cc":
  /***/ (function(module, exports, __webpack_require__) {
  
  var anObject = __webpack_require__("cb7c");
  var IE8_DOM_DEFINE = __webpack_require__("c69a");
  var toPrimitive = __webpack_require__("6a99");
  var dP = Object.defineProperty;
  
  exports.f = __webpack_require__("9e1e") ? Object.defineProperty : function defineProperty(O, P, Attributes) {
    anObject(O);
    P = toPrimitive(P, true);
    anObject(Attributes);
    if (IE8_DOM_DEFINE) try {
      return dP(O, P, Attributes);
    } catch (e) { /* empty */ }
    if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');
    if ('value' in Attributes) O[P] = Attributes.value;
    return O;
  };
  
  
  /***/ }),
  
  /***/ "9b43":
  /***/ (function(module, exports, __webpack_require__) {
  
  // optional / simple context binding
  var aFunction = __webpack_require__("d8e8");
  module.exports = function (fn, that, length) {
    aFunction(fn);
    if (that === undefined) return fn;
    switch (length) {
      case 1: return function (a) {
        return fn.call(that, a);
      };
      case 2: return function (a, b) {
        return fn.call(that, a, b);
      };
      case 3: return function (a, b, c) {
        return fn.call(that, a, b, c);
      };
    }
    return function (/* ...args */) {
      return fn.apply(that, arguments);
    };
  };
  
  
  /***/ }),
  
  /***/ "9c6c":
  /***/ (function(module, exports, __webpack_require__) {
  
  // 22.1.3.31 Array.prototype[@@unscopables]
  var UNSCOPABLES = __webpack_require__("2b4c")('unscopables');
  var ArrayProto = Array.prototype;
  if (ArrayProto[UNSCOPABLES] == undefined) __webpack_require__("32e9")(ArrayProto, UNSCOPABLES, {});
  module.exports = function (key) {
    ArrayProto[UNSCOPABLES][key] = true;
  };
  
  
  /***/ }),
  
  /***/ "9def":
  /***/ (function(module, exports, __webpack_require__) {
  
  // 7.1.15 ToLength
  var toInteger = __webpack_require__("4588");
  var min = Math.min;
  module.exports = function (it) {
    return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991
  };
  
  
  /***/ }),
  
  /***/ "9e1e":
  /***/ (function(module, exports, __webpack_require__) {
  
  // Thank's IE8 for his funny defineProperty
  module.exports = !__webpack_require__("79e5")(function () {
    return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;
  });
  
  
  /***/ }),
  
  /***/ "a352":
  /***/ (function(module, exports) {
  
  module.exports = __WEBPACK_EXTERNAL_MODULE_a352__;
  
  /***/ }),
  
  /***/ "a481":
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  var anObject = __webpack_require__("cb7c");
  var toObject = __webpack_require__("4bf8");
  var toLength = __webpack_require__("9def");
  var toInteger = __webpack_require__("4588");
  var advanceStringIndex = __webpack_require__("0390");
  var regExpExec = __webpack_require__("5f1b");
  var max = Math.max;
  var min = Math.min;
  var floor = Math.floor;
  var SUBSTITUTION_SYMBOLS = /\$([$&`']|\d\d?|<[^>]*>)/g;
  var SUBSTITUTION_SYMBOLS_NO_NAMED = /\$([$&`']|\d\d?)/g;
  
  var maybeToString = function (it) {
    return it === undefined ? it : String(it);
  };
  
  // @@replace logic
  __webpack_require__("214f")('replace', 2, function (defined, REPLACE, $replace, maybeCallNative) {
    return [
      // `String.prototype.replace` method
      // https://tc39.github.io/ecma262/#sec-string.prototype.replace
      function replace(searchValue, replaceValue) {
        var O = defined(this);
        var fn = searchValue == undefined ? undefined : searchValue[REPLACE];
        return fn !== undefined
          ? fn.call(searchValue, O, replaceValue)
          : $replace.call(String(O), searchValue, replaceValue);
      },
      // `RegExp.prototype[@@replace]` method
      // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@replace
      function (regexp, replaceValue) {
        var res = maybeCallNative($replace, regexp, this, replaceValue);
        if (res.done) return res.value;
  
        var rx = anObject(regexp);
        var S = String(this);
        var functionalReplace = typeof replaceValue === 'function';
        if (!functionalReplace) replaceValue = String(replaceValue);
        var global = rx.global;
        if (global) {
          var fullUnicode = rx.unicode;
          rx.lastIndex = 0;
        }
        var results = [];
        while (true) {
          var result = regExpExec(rx, S);
          if (result === null) break;
          results.push(result);
          if (!global) break;
          var matchStr = String(result[0]);
          if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
        }
        var accumulatedResult = '';
        var nextSourcePosition = 0;
        for (var i = 0; i < results.length; i++) {
          result = results[i];
          var matched = String(result[0]);
          var position = max(min(toInteger(result.index), S.length), 0);
          var captures = [];
          // NOTE: This is equivalent to
          //   captures = result.slice(1).map(maybeToString)
          // but for some reason `nativeSlice.call(result, 1, result.length)` (called in
          // the slice polyfill when slicing native arrays) "doesn't work" in safari 9 and
          // causes a crash (https://pastebin.com/N21QzeQA) when trying to debug it.
          for (var j = 1; j < result.length; j++) captures.push(maybeToString(result[j]));
          var namedCaptures = result.groups;
          if (functionalReplace) {
            var replacerArgs = [matched].concat(captures, position, S);
            if (namedCaptures !== undefined) replacerArgs.push(namedCaptures);
            var replacement = String(replaceValue.apply(undefined, replacerArgs));
          } else {
            replacement = getSubstitution(matched, S, position, captures, namedCaptures, replaceValue);
          }
          if (position >= nextSourcePosition) {
            accumulatedResult += S.slice(nextSourcePosition, position) + replacement;
            nextSourcePosition = position + matched.length;
          }
        }
        return accumulatedResult + S.slice(nextSourcePosition);
      }
    ];
  
      // https://tc39.github.io/ecma262/#sec-getsubstitution
    function getSubstitution(matched, str, position, captures, namedCaptures, replacement) {
      var tailPos = position + matched.length;
      var m = captures.length;
      var symbols = SUBSTITUTION_SYMBOLS_NO_NAMED;
      if (namedCaptures !== undefined) {
        namedCaptures = toObject(namedCaptures);
        symbols = SUBSTITUTION_SYMBOLS;
      }
      return $replace.call(replacement, symbols, function (match, ch) {
        var capture;
        switch (ch.charAt(0)) {
          case '$': return '$';
          case '&': return matched;
          case '`': return str.slice(0, position);
          case "'": return str.slice(tailPos);
          case '<':
            capture = namedCaptures[ch.slice(1, -1)];
            break;
          default: // \d\d?
            var n = +ch;
            if (n === 0) return match;
            if (n > m) {
              var f = floor(n / 10);
              if (f === 0) return match;
              if (f <= m) return captures[f - 1] === undefined ? ch.charAt(1) : captures[f - 1] + ch.charAt(1);
              return match;
            }
            capture = captures[n - 1];
        }
        return capture === undefined ? '' : capture;
      });
    }
  });
  
  
  /***/ }),
  
  /***/ "aae3":
  /***/ (function(module, exports, __webpack_require__) {
  
  // 7.2.8 IsRegExp(argument)
  var isObject = __webpack_require__("d3f4");
  var cof = __webpack_require__("2d95");
  var MATCH = __webpack_require__("2b4c")('match');
  module.exports = function (it) {
    var isRegExp;
    return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : cof(it) == 'RegExp');
  };
  
  
  /***/ }),
  
  /***/ "ac6a":
  /***/ (function(module, exports, __webpack_require__) {
  
  var $iterators = __webpack_require__("cadf");
  var getKeys = __webpack_require__("0d58");
  var redefine = __webpack_require__("2aba");
  var global = __webpack_require__("7726");
  var hide = __webpack_require__("32e9");
  var Iterators = __webpack_require__("84f2");
  var wks = __webpack_require__("2b4c");
  var ITERATOR = wks('iterator');
  var TO_STRING_TAG = wks('toStringTag');
  var ArrayValues = Iterators.Array;
  
  var DOMIterables = {
    CSSRuleList: true, // TODO: Not spec compliant, should be false.
    CSSStyleDeclaration: false,
    CSSValueList: false,
    ClientRectList: false,
    DOMRectList: false,
    DOMStringList: false,
    DOMTokenList: true,
    DataTransferItemList: false,
    FileList: false,
    HTMLAllCollection: false,
    HTMLCollection: false,
    HTMLFormElement: false,
    HTMLSelectElement: false,
    MediaList: true, // TODO: Not spec compliant, should be false.
    MimeTypeArray: false,
    NamedNodeMap: false,
    NodeList: true,
    PaintRequestList: false,
    Plugin: false,
    PluginArray: false,
    SVGLengthList: false,
    SVGNumberList: false,
    SVGPathSegList: false,
    SVGPointList: false,
    SVGStringList: false,
    SVGTransformList: false,
    SourceBufferList: false,
    StyleSheetList: true, // TODO: Not spec compliant, should be false.
    TextTrackCueList: false,
    TextTrackList: false,
    TouchList: false
  };
  
  for (var collections = getKeys(DOMIterables), i = 0; i < collections.length; i++) {
    var NAME = collections[i];
    var explicit = DOMIterables[NAME];
    var Collection = global[NAME];
    var proto = Collection && Collection.prototype;
    var key;
    if (proto) {
      if (!proto[ITERATOR]) hide(proto, ITERATOR, ArrayValues);
      if (!proto[TO_STRING_TAG]) hide(proto, TO_STRING_TAG, NAME);
      Iterators[NAME] = ArrayValues;
      if (explicit) for (key in $iterators) if (!proto[key]) redefine(proto, key, $iterators[key], true);
    }
  }
  
  
  /***/ }),
  
  /***/ "b0c5":
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  var regexpExec = __webpack_require__("520a");
  __webpack_require__("5ca1")({
    target: 'RegExp',
    proto: true,
    forced: regexpExec !== /./.exec
  }, {
    exec: regexpExec
  });
  
  
  /***/ }),
  
  /***/ "be13":
  /***/ (function(module, exports) {
  
  // 7.2.1 RequireObjectCoercible(argument)
  module.exports = function (it) {
    if (it == undefined) throw TypeError("Can't call method on  " + it);
    return it;
  };
  
  
  /***/ }),
  
  /***/ "c366":
  /***/ (function(module, exports, __webpack_require__) {
  
  // false -> Array#indexOf
  // true  -> Array#includes
  var toIObject = __webpack_require__("6821");
  var toLength = __webpack_require__("9def");
  var toAbsoluteIndex = __webpack_require__("77f1");
  module.exports = function (IS_INCLUDES) {
    return function ($this, el, fromIndex) {
      var O = toIObject($this);
      var length = toLength(O.length);
      var index = toAbsoluteIndex(fromIndex, length);
      var value;
      // Array#includes uses SameValueZero equality algorithm
      // eslint-disable-next-line no-self-compare
      if (IS_INCLUDES && el != el) while (length > index) {
        value = O[index++];
        // eslint-disable-next-line no-self-compare
        if (value != value) return true;
      // Array#indexOf ignores holes, Array#includes - not
      } else for (;length > index; index++) if (IS_INCLUDES || index in O) {
        if (O[index] === el) return IS_INCLUDES || index || 0;
      } return !IS_INCLUDES && -1;
    };
  };
  
  
  /***/ }),
  
  /***/ "c649":
  /***/ (function(module, __webpack_exports__, __webpack_require__) {
  
  "use strict";
  /* WEBPACK VAR INJECTION */(function(global) {/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "c", function() { return insertNodeAt; });
  /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return camelize; });
  /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "b", function() { return console; });
  /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "d", function() { return removeNode; });
  /* harmony import */ var core_js_modules_es6_regexp_replace__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__("a481");
  /* harmony import */ var core_js_modules_es6_regexp_replace__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(core_js_modules_es6_regexp_replace__WEBPACK_IMPORTED_MODULE_0__);
  
  
  function getConsole() {
    if (typeof window !== "undefined") {
      return window.console;
    }
  
    return global.console;
  }
  
  var console = getConsole();
  
  function cached(fn) {
    var cache = Object.create(null);
    return function cachedFn(str) {
      var hit = cache[str];
      return hit || (cache[str] = fn(str));
    };
  }
  
  var regex = /-(\w)/g;
  var camelize = cached(function (str) {
    return str.replace(regex, function (_, c) {
      return c ? c.toUpperCase() : "";
    });
  });
  
  function removeNode(node) {
    if (node.parentElement !== null) {
      node.parentElement.removeChild(node);
    }
  }
  
  function insertNodeAt(fatherNode, node, position) {
    var refNode = position === 0 ? fatherNode.children[0] : fatherNode.children[position - 1].nextSibling;
    fatherNode.insertBefore(node, refNode);
  }
  
  
  /* WEBPACK VAR INJECTION */}.call(this, __webpack_require__("c8ba")))
  
  /***/ }),
  
  /***/ "c69a":
  /***/ (function(module, exports, __webpack_require__) {
  
  module.exports = !__webpack_require__("9e1e") && !__webpack_require__("79e5")(function () {
    return Object.defineProperty(__webpack_require__("230e")('div'), 'a', { get: function () { return 7; } }).a != 7;
  });
  
  
  /***/ }),
  
  /***/ "c8ba":
  /***/ (function(module, exports) {
  
  var g;
  
  // This works in non-strict mode
  g = (function() {
  	return this;
  })();
  
  try {
  	// This works if eval is allowed (see CSP)
  	g = g || new Function("return this")();
  } catch (e) {
  	// This works if the window reference is available
  	if (typeof window === "object") g = window;
  }
  
  // g can still be undefined, but nothing to do about it...
  // We return undefined, instead of nothing here, so it's
  // easier to handle this case. if(!global) { ...}
  
  module.exports = g;
  
  
  /***/ }),
  
  /***/ "ca5a":
  /***/ (function(module, exports) {
  
  var id = 0;
  var px = Math.random();
  module.exports = function (key) {
    return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));
  };
  
  
  /***/ }),
  
  /***/ "cadf":
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  var addToUnscopables = __webpack_require__("9c6c");
  var step = __webpack_require__("d53b");
  var Iterators = __webpack_require__("84f2");
  var toIObject = __webpack_require__("6821");
  
  // 22.1.3.4 Array.prototype.entries()
  // 22.1.3.13 Array.prototype.keys()
  // 22.1.3.29 Array.prototype.values()
  // 22.1.3.30 Array.prototype[@@iterator]()
  module.exports = __webpack_require__("01f9")(Array, 'Array', function (iterated, kind) {
    this._t = toIObject(iterated); // target
    this._i = 0;                   // next index
    this._k = kind;                // kind
  // 22.1.5.2.1 %ArrayIteratorPrototype%.next()
  }, function () {
    var O = this._t;
    var kind = this._k;
    var index = this._i++;
    if (!O || index >= O.length) {
      this._t = undefined;
      return step(1);
    }
    if (kind == 'keys') return step(0, index);
    if (kind == 'values') return step(0, O[index]);
    return step(0, [index, O[index]]);
  }, 'values');
  
  // argumentsList[@@iterator] is %ArrayProto_values% (9.4.4.6, 9.4.4.7)
  Iterators.Arguments = Iterators.Array;
  
  addToUnscopables('keys');
  addToUnscopables('values');
  addToUnscopables('entries');
  
  
  /***/ }),
  
  /***/ "cb7c":
  /***/ (function(module, exports, __webpack_require__) {
  
  var isObject = __webpack_require__("d3f4");
  module.exports = function (it) {
    if (!isObject(it)) throw TypeError(it + ' is not an object!');
    return it;
  };
  
  
  /***/ }),
  
  /***/ "ce10":
  /***/ (function(module, exports, __webpack_require__) {
  
  var has = __webpack_require__("69a8");
  var toIObject = __webpack_require__("6821");
  var arrayIndexOf = __webpack_require__("c366")(false);
  var IE_PROTO = __webpack_require__("613b")('IE_PROTO');
  
  module.exports = function (object, names) {
    var O = toIObject(object);
    var i = 0;
    var result = [];
    var key;
    for (key in O) if (key != IE_PROTO) has(O, key) && result.push(key);
    // Don't enum bug & hidden keys
    while (names.length > i) if (has(O, key = names[i++])) {
      ~arrayIndexOf(result, key) || result.push(key);
    }
    return result;
  };
  
  
  /***/ }),
  
  /***/ "d2c8":
  /***/ (function(module, exports, __webpack_require__) {
  
  // helper for String#{startsWith, endsWith, includes}
  var isRegExp = __webpack_require__("aae3");
  var defined = __webpack_require__("be13");
  
  module.exports = function (that, searchString, NAME) {
    if (isRegExp(searchString)) throw TypeError('String#' + NAME + " doesn't accept regex!");
    return String(defined(that));
  };
  
  
  /***/ }),
  
  /***/ "d3f4":
  /***/ (function(module, exports) {
  
  module.exports = function (it) {
    return typeof it === 'object' ? it !== null : typeof it === 'function';
  };
  
  
  /***/ }),
  
  /***/ "d53b":
  /***/ (function(module, exports) {
  
  module.exports = function (done, value) {
    return { value: value, done: !!done };
  };
  
  
  /***/ }),
  
  /***/ "d8e8":
  /***/ (function(module, exports) {
  
  module.exports = function (it) {
    if (typeof it != 'function') throw TypeError(it + ' is not a function!');
    return it;
  };
  
  
  /***/ }),
  
  /***/ "e11e":
  /***/ (function(module, exports) {
  
  // IE 8- don't enum bug keys
  module.exports = (
    'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'
  ).split(',');
  
  
  /***/ }),
  
  /***/ "f559":
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  // 21.1.3.18 String.prototype.startsWith(searchString [, position ])
  
  var $export = __webpack_require__("5ca1");
  var toLength = __webpack_require__("9def");
  var context = __webpack_require__("d2c8");
  var STARTS_WITH = 'startsWith';
  var $startsWith = ''[STARTS_WITH];
  
  $export($export.P + $export.F * __webpack_require__("5147")(STARTS_WITH), 'String', {
    startsWith: function startsWith(searchString /* , position = 0 */) {
      var that = context(this, searchString, STARTS_WITH);
      var index = toLength(Math.min(arguments.length > 1 ? arguments[1] : undefined, that.length));
      var search = String(searchString);
      return $startsWith
        ? $startsWith.call(that, search, index)
        : that.slice(index, index + search.length) === search;
    }
  });
  
  
  /***/ }),
  
  /***/ "f6fd":
  /***/ (function(module, exports) {
  
  // document.currentScript polyfill by Adam Miller
  
  // MIT license
  
  (function(document){
    var currentScript = "currentScript",
        scripts = document.getElementsByTagName('script'); // Live NodeList collection
  
    // If browser needs currentScript polyfill, add get currentScript() to the document object
    if (!(currentScript in document)) {
      Object.defineProperty(document, currentScript, {
        get: function(){
  
          // IE 6-10 supports script readyState
          // IE 10+ support stack trace
          try { throw new Error(); }
          catch (err) {
  
            // Find the second match for the "at" string to get file src url from stack.
            // Specifically works with the format of stack traces in IE.
            var i, res = ((/.*at [^\(]*\((.*):.+:.+\)$/ig).exec(err.stack) || [false])[1];
  
            // For all scripts on the page, if src matches or if ready state is interactive, return the script tag
            for(i in scripts){
              if(scripts[i].src == res || scripts[i].readyState == "interactive"){
                return scripts[i];
              }
            }
  
            // If no match, return null
            return null;
          }
        }
      });
    }
  })(document);
  
  
  /***/ }),
  
  /***/ "f751":
  /***/ (function(module, exports, __webpack_require__) {
  
  // 19.1.3.1 Object.assign(target, source)
  var $export = __webpack_require__("5ca1");
  
  $export($export.S + $export.F, 'Object', { assign: __webpack_require__("7333") });
  
  
  /***/ }),
  
  /***/ "fa5b":
  /***/ (function(module, exports, __webpack_require__) {
  
  module.exports = __webpack_require__("5537")('native-function-to-string', Function.toString);
  
  
  /***/ }),
  
  /***/ "fab2":
  /***/ (function(module, exports, __webpack_require__) {
  
  var document = __webpack_require__("7726").document;
  module.exports = document && document.documentElement;
  
  
  /***/ }),
  
  /***/ "fb15":
  /***/ (function(module, __webpack_exports__, __webpack_require__) {
  
  "use strict";
  // ESM COMPAT FLAG
  __webpack_require__.r(__webpack_exports__);
  
  // CONCATENATED MODULE: ./node_modules/@vue/cli-service/lib/commands/build/setPublicPath.js
  // This file is imported into lib/wc client bundles.
  
  if (typeof window !== 'undefined') {
    if (true) {
      __webpack_require__("f6fd")
    }
  
    var setPublicPath_i
    if ((setPublicPath_i = window.document.currentScript) && (setPublicPath_i = setPublicPath_i.src.match(/(.+\/)[^/]+\.js(\?.*)?$/))) {
      __webpack_require__.p = setPublicPath_i[1] // eslint-disable-line
    }
  }
  
  // Indicate to webpack that this file can be concatenated
  /* harmony default export */ var setPublicPath = (null);
  
  // EXTERNAL MODULE: ./node_modules/core-js/modules/es6.object.assign.js
  var es6_object_assign = __webpack_require__("f751");
  
  // EXTERNAL MODULE: ./node_modules/core-js/modules/es6.string.starts-with.js
  var es6_string_starts_with = __webpack_require__("f559");
  
  // EXTERNAL MODULE: ./node_modules/core-js/modules/web.dom.iterable.js
  var web_dom_iterable = __webpack_require__("ac6a");
  
  // EXTERNAL MODULE: ./node_modules/core-js/modules/es6.array.iterator.js
  var es6_array_iterator = __webpack_require__("cadf");
  
  // EXTERNAL MODULE: ./node_modules/core-js/modules/es6.object.keys.js
  var es6_object_keys = __webpack_require__("456d");
  
  // CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/arrayWithHoles.js
  function _arrayWithHoles(arr) {
    if (Array.isArray(arr)) return arr;
  }
  // CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/iterableToArrayLimit.js
  function _iterableToArrayLimit(arr, i) {
    if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return;
    var _arr = [];
    var _n = true;
    var _d = false;
    var _e = undefined;
  
    try {
      for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
        _arr.push(_s.value);
  
        if (i && _arr.length === i) break;
      }
    } catch (err) {
      _d = true;
      _e = err;
    } finally {
      try {
        if (!_n && _i["return"] != null) _i["return"]();
      } finally {
        if (_d) throw _e;
      }
    }
  
    return _arr;
  }
  // CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/arrayLikeToArray.js
  function _arrayLikeToArray(arr, len) {
    if (len == null || len > arr.length) len = arr.length;
  
    for (var i = 0, arr2 = new Array(len); i < len; i++) {
      arr2[i] = arr[i];
    }
  
    return arr2;
  }
  // CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/unsupportedIterableToArray.js
  
  function _unsupportedIterableToArray(o, minLen) {
    if (!o) return;
    if (typeof o === "string") return _arrayLikeToArray(o, minLen);
    var n = Object.prototype.toString.call(o).slice(8, -1);
    if (n === "Object" && o.constructor) n = o.constructor.name;
    if (n === "Map" || n === "Set") return Array.from(o);
    if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
  }
  // CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/nonIterableRest.js
  function _nonIterableRest() {
    throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
  }
  // CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/slicedToArray.js
  
  
  
  
  function _slicedToArray(arr, i) {
    return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest();
  }
  // EXTERNAL MODULE: ./node_modules/core-js/modules/es7.array.includes.js
  var es7_array_includes = __webpack_require__("6762");
  
  // EXTERNAL MODULE: ./node_modules/core-js/modules/es6.string.includes.js
  var es6_string_includes = __webpack_require__("2fdb");
  
  // CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/arrayWithoutHoles.js
  
  function _arrayWithoutHoles(arr) {
    if (Array.isArray(arr)) return _arrayLikeToArray(arr);
  }
  // CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/iterableToArray.js
  function _iterableToArray(iter) {
    if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter);
  }
  // CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/nonIterableSpread.js
  function _nonIterableSpread() {
    throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
  }
  // CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/toConsumableArray.js
  
  
  
  
  function _toConsumableArray(arr) {
    return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
  }
  // EXTERNAL MODULE: external {"commonjs":"sortablejs","commonjs2":"sortablejs","amd":"sortablejs","root":"Sortable"}
  var external_commonjs_sortablejs_commonjs2_sortablejs_amd_sortablejs_root_Sortable_ = __webpack_require__("a352");
  var external_commonjs_sortablejs_commonjs2_sortablejs_amd_sortablejs_root_Sortable_default = /*#__PURE__*/__webpack_require__.n(external_commonjs_sortablejs_commonjs2_sortablejs_amd_sortablejs_root_Sortable_);
  
  // EXTERNAL MODULE: ./src/util/helper.js
  var helper = __webpack_require__("c649");
  
  // CONCATENATED MODULE: ./src/vuedraggable.js
  
  
  
  
  
  
  
  
  
  
  
  
  function buildAttribute(object, propName, value) {
    if (value === undefined) {
      return object;
    }
  
    object = object || {};
    object[propName] = value;
    return object;
  }
  
  function computeVmIndex(vnodes, element) {
    return vnodes.map(function (elt) {
      return elt.elm;
    }).indexOf(element);
  }
  
  function _computeIndexes(slots, children, isTransition, footerOffset) {
    if (!slots) {
      return [];
    }
  
    var elmFromNodes = slots.map(function (elt) {
      return elt.elm;
    });
    var footerIndex = children.length - footerOffset;
  
    var rawIndexes = _toConsumableArray(children).map(function (elt, idx) {
      return idx >= footerIndex ? elmFromNodes.length : elmFromNodes.indexOf(elt);
    });
  
    return isTransition ? rawIndexes.filter(function (ind) {
      return ind !== -1;
    }) : rawIndexes;
  }
  
  function emit(evtName, evtData) {
    var _this = this;
  
    this.$nextTick(function () {
      return _this.$emit(evtName.toLowerCase(), evtData);
    });
  }
  
  function delegateAndEmit(evtName) {
    var _this2 = this;
  
    return function (evtData) {
      if (_this2.realList !== null) {
        _this2["onDrag" + evtName](evtData);
      }
  
      emit.call(_this2, evtName, evtData);
    };
  }
  
  function isTransitionName(name) {
    return ["transition-group", "TransitionGroup"].includes(name);
  }
  
  function vuedraggable_isTransition(slots) {
    if (!slots || slots.length !== 1) {
      return false;
    }
  
    var _slots = _slicedToArray(slots, 1),
        componentOptions = _slots[0].componentOptions;
  
    if (!componentOptions) {
      return false;
    }
  
    return isTransitionName(componentOptions.tag);
  }
  
  function getSlot(slot, scopedSlot, key) {
    return slot[key] || (scopedSlot[key] ? scopedSlot[key]() : undefined);
  }
  
  function computeChildrenAndOffsets(children, slot, scopedSlot) {
    var headerOffset = 0;
    var footerOffset = 0;
    var header = getSlot(slot, scopedSlot, "header");
  
    if (header) {
      headerOffset = header.length;
      children = children ? [].concat(_toConsumableArray(header), _toConsumableArray(children)) : _toConsumableArray(header);
    }
  
    var footer = getSlot(slot, scopedSlot, "footer");
  
    if (footer) {
      footerOffset = footer.length;
      children = children ? [].concat(_toConsumableArray(children), _toConsumableArray(footer)) : _toConsumableArray(footer);
    }
  
    return {
      children: children,
      headerOffset: headerOffset,
      footerOffset: footerOffset
    };
  }
  
  function getComponentAttributes($attrs, componentData) {
    var attributes = null;
  
    var update = function update(name, value) {
      attributes = buildAttribute(attributes, name, value);
    };
  
    var attrs = Object.keys($attrs).filter(function (key) {
      return key === "id" || key.startsWith("data-");
    }).reduce(function (res, key) {
      res[key] = $attrs[key];
      return res;
    }, {});
    update("attrs", attrs);
  
    if (!componentData) {
      return attributes;
    }
  
    var on = componentData.on,
        props = componentData.props,
        componentDataAttrs = componentData.attrs;
    update("on", on);
    update("props", props);
    Object.assign(attributes.attrs, componentDataAttrs);
    return attributes;
  }
  
  var eventsListened = ["Start", "Add", "Remove", "Update", "End"];
  var eventsToEmit = ["Choose", "Unchoose", "Sort", "Filter", "Clone"];
  var readonlyProperties = ["Move"].concat(eventsListened, eventsToEmit).map(function (evt) {
    return "on" + evt;
  });
  var draggingElement = null;
  var props = {
    options: Object,
    list: {
      type: Array,
      required: false,
      default: null
    },
    value: {
      type: Array,
      required: false,
      default: null
    },
    noTransitionOnDrag: {
      type: Boolean,
      default: false
    },
    clone: {
      type: Function,
      default: function _default(original) {
        return original;
      }
    },
    element: {
      type: String,
      default: "div"
    },
    tag: {
      type: String,
      default: null
    },
    move: {
      type: Function,
      default: null
    },
    componentData: {
      type: Object,
      required: false,
      default: null
    }
  };
  var draggableComponent = {
    name: "draggable",
    inheritAttrs: false,
    props: props,
    data: function data() {
      return {
        transitionMode: false,
        noneFunctionalComponentMode: false
      };
    },
    render: function render(h) {
      var slots = this.$slots.default;
      this.transitionMode = vuedraggable_isTransition(slots);
  
      var _computeChildrenAndOf = computeChildrenAndOffsets(slots, this.$slots, this.$scopedSlots),
          children = _computeChildrenAndOf.children,
          headerOffset = _computeChildrenAndOf.headerOffset,
          footerOffset = _computeChildrenAndOf.footerOffset;
  
      this.headerOffset = headerOffset;
      this.footerOffset = footerOffset;
      var attributes = getComponentAttributes(this.$attrs, this.componentData);
      return h(this.getTag(), attributes, children);
    },
    created: function created() {
      if (this.list !== null && this.value !== null) {
        helper["b" /* console */].error("Value and list props are mutually exclusive! Please set one or another.");
      }
  
      if (this.element !== "div") {
        helper["b" /* console */].warn("Element props is deprecated please use tag props instead. See https://github.com/SortableJS/Vue.Draggable/blob/master/documentation/migrate.md#element-props");
      }
  
      if (this.options !== undefined) {
        helper["b" /* console */].warn("Options props is deprecated, add sortable options directly as vue.draggable item, or use v-bind. See https://github.com/SortableJS/Vue.Draggable/blob/master/documentation/migrate.md#options-props");
      }
    },
    mounted: function mounted() {
      var _this3 = this;
  
      this.noneFunctionalComponentMode = this.getTag().toLowerCase() !== this.$el.nodeName.toLowerCase() && !this.getIsFunctional();
  
      if (this.noneFunctionalComponentMode && this.transitionMode) {
        throw new Error("Transition-group inside component is not supported. Please alter tag value or remove transition-group. Current tag value: ".concat(this.getTag()));
      }
  
      var optionsAdded = {};
      eventsListened.forEach(function (elt) {
        optionsAdded["on" + elt] = delegateAndEmit.call(_this3, elt);
      });
      eventsToEmit.forEach(function (elt) {
        optionsAdded["on" + elt] = emit.bind(_this3, elt);
      });
      var attributes = Object.keys(this.$attrs).reduce(function (res, key) {
        res[Object(helper["a" /* camelize */])(key)] = _this3.$attrs[key];
        return res;
      }, {});
      var options = Object.assign({}, this.options, attributes, optionsAdded, {
        onMove: function onMove(evt, originalEvent) {
          return _this3.onDragMove(evt, originalEvent);
        }
      });
      !("draggable" in options) && (options.draggable = ">*");
      this._sortable = new external_commonjs_sortablejs_commonjs2_sortablejs_amd_sortablejs_root_Sortable_default.a(this.rootContainer, options);
      this.computeIndexes();
    },
    beforeDestroy: function beforeDestroy() {
      if (this._sortable !== undefined) this._sortable.destroy();
    },
    computed: {
      rootContainer: function rootContainer() {
        return this.transitionMode ? this.$el.children[0] : this.$el;
      },
      realList: function realList() {
        return this.list ? this.list : this.value;
      }
    },
    watch: {
      options: {
        handler: function handler(newOptionValue) {
          this.updateOptions(newOptionValue);
        },
        deep: true
      },
      $attrs: {
        handler: function handler(newOptionValue) {
          this.updateOptions(newOptionValue);
        },
        deep: true
      },
      realList: function realList() {
        this.computeIndexes();
      }
    },
    methods: {
      getIsFunctional: function getIsFunctional() {
        var fnOptions = this._vnode.fnOptions;
        return fnOptions && fnOptions.functional;
      },
      getTag: function getTag() {
        return this.tag || this.element;
      },
      updateOptions: function updateOptions(newOptionValue) {
        for (var property in newOptionValue) {
          var value = Object(helper["a" /* camelize */])(property);
  
          if (readonlyProperties.indexOf(value) === -1) {
            this._sortable.option(value, newOptionValue[property]);
          }
        }
      },
      getChildrenNodes: function getChildrenNodes() {
        if (this.noneFunctionalComponentMode) {
          return this.$children[0].$slots.default;
        }
  
        var rawNodes = this.$slots.default;
        return this.transitionMode ? rawNodes[0].child.$slots.default : rawNodes;
      },
      computeIndexes: function computeIndexes() {
        var _this4 = this;
  
        this.$nextTick(function () {
          _this4.visibleIndexes = _computeIndexes(_this4.getChildrenNodes(), _this4.rootContainer.children, _this4.transitionMode, _this4.footerOffset);
        });
      },
      getUnderlyingVm: function getUnderlyingVm(htmlElt) {
        var index = computeVmIndex(this.getChildrenNodes() || [], htmlElt);
  
        if (index === -1) {
          //Edge case during move callback: related element might be
          //an element different from collection
          return null;
        }
  
        var element = this.realList[index];
        return {
          index: index,
          element: element
        };
      },
      getUnderlyingPotencialDraggableComponent: function getUnderlyingPotencialDraggableComponent(_ref) {
        var vue = _ref.__vue__;
  
        if (!vue || !vue.$options || !isTransitionName(vue.$options._componentTag)) {
          if (!("realList" in vue) && vue.$children.length === 1 && "realList" in vue.$children[0]) return vue.$children[0];
          return vue;
        }
  
        return vue.$parent;
      },
      emitChanges: function emitChanges(evt) {
        var _this5 = this;
  
        this.$nextTick(function () {
          _this5.$emit("change", evt);
        });
      },
      alterList: function alterList(onList) {
        if (this.list) {
          onList(this.list);
          return;
        }
  
        var newList = _toConsumableArray(this.value);
  
        onList(newList);
        this.$emit("input", newList);
      },
      spliceList: function spliceList() {
        var _arguments = arguments;
  
        var spliceList = function spliceList(list) {
          return list.splice.apply(list, _toConsumableArray(_arguments));
        };
  
        this.alterList(spliceList);
      },
      updatePosition: function updatePosition(oldIndex, newIndex) {
        var updatePosition = function updatePosition(list) {
          return list.splice(newIndex, 0, list.splice(oldIndex, 1)[0]);
        };
  
        this.alterList(updatePosition);
      },
      getRelatedContextFromMoveEvent: function getRelatedContextFromMoveEvent(_ref2) {
        var to = _ref2.to,
            related = _ref2.related;
        var component = this.getUnderlyingPotencialDraggableComponent(to);
  
        if (!component) {
          return {
            component: component
          };
        }
  
        var list = component.realList;
        var context = {
          list: list,
          component: component
        };
  
        if (to !== related && list && component.getUnderlyingVm) {
          var destination = component.getUnderlyingVm(related);
  
          if (destination) {
            return Object.assign(destination, context);
          }
        }
  
        return context;
      },
      getVmIndex: function getVmIndex(domIndex) {
        var indexes = this.visibleIndexes;
        var numberIndexes = indexes.length;
        return domIndex > numberIndexes - 1 ? numberIndexes : indexes[domIndex];
      },
      getComponent: function getComponent() {
        return this.$slots.default[0].componentInstance;
      },
      resetTransitionData: function resetTransitionData(index) {
        if (!this.noTransitionOnDrag || !this.transitionMode) {
          return;
        }
  
        var nodes = this.getChildrenNodes();
        nodes[index].data = null;
        var transitionContainer = this.getComponent();
        transitionContainer.children = [];
        transitionContainer.kept = undefined;
      },
      onDragStart: function onDragStart(evt) {
        this.context = this.getUnderlyingVm(evt.item);
        evt.item._underlying_vm_ = this.clone(this.context.element);
        draggingElement = evt.item;
      },
      onDragAdd: function onDragAdd(evt) {
        var element = evt.item._underlying_vm_;
  
        if (element === undefined) {
          return;
        }
  
        Object(helper["d" /* removeNode */])(evt.item);
        var newIndex = this.getVmIndex(evt.newIndex);
        this.spliceList(newIndex, 0, element);
        this.computeIndexes();
        var added = {
          element: element,
          newIndex: newIndex
        };
        this.emitChanges({
          added: added
        });
      },
      onDragRemove: function onDragRemove(evt) {
        Object(helper["c" /* insertNodeAt */])(this.rootContainer, evt.item, evt.oldIndex);
  
        if (evt.pullMode === "clone") {
          Object(helper["d" /* removeNode */])(evt.clone);
          return;
        }
  
        var oldIndex = this.context.index;
        this.spliceList(oldIndex, 1);
        var removed = {
          element: this.context.element,
          oldIndex: oldIndex
        };
        this.resetTransitionData(oldIndex);
        this.emitChanges({
          removed: removed
        });
      },
      onDragUpdate: function onDragUpdate(evt) {
        Object(helper["d" /* removeNode */])(evt.item);
        Object(helper["c" /* insertNodeAt */])(evt.from, evt.item, evt.oldIndex);
        var oldIndex = this.context.index;
        var newIndex = this.getVmIndex(evt.newIndex);
        this.updatePosition(oldIndex, newIndex);
        var moved = {
          element: this.context.element,
          oldIndex: oldIndex,
          newIndex: newIndex
        };
        this.emitChanges({
          moved: moved
        });
      },
      updateProperty: function updateProperty(evt, propertyName) {
        evt.hasOwnProperty(propertyName) && (evt[propertyName] += this.headerOffset);
      },
      computeFutureIndex: function computeFutureIndex(relatedContext, evt) {
        if (!relatedContext.element) {
          return 0;
        }
  
        var domChildren = _toConsumableArray(evt.to.children).filter(function (el) {
          return el.style["display"] !== "none";
        });
  
        var currentDOMIndex = domChildren.indexOf(evt.related);
        var currentIndex = relatedContext.component.getVmIndex(currentDOMIndex);
        var draggedInList = domChildren.indexOf(draggingElement) !== -1;
        return draggedInList || !evt.willInsertAfter ? currentIndex : currentIndex + 1;
      },
      onDragMove: function onDragMove(evt, originalEvent) {
        var onMove = this.move;
  
        if (!onMove || !this.realList) {
          return true;
        }
  
        var relatedContext = this.getRelatedContextFromMoveEvent(evt);
        var draggedContext = this.context;
        var futureIndex = this.computeFutureIndex(relatedContext, evt);
        Object.assign(draggedContext, {
          futureIndex: futureIndex
        });
        var sendEvt = Object.assign({}, evt, {
          relatedContext: relatedContext,
          draggedContext: draggedContext
        });
        return onMove(sendEvt, originalEvent);
      },
      onDragEnd: function onDragEnd() {
        this.computeIndexes();
        draggingElement = null;
      }
    }
  };
  
  if (typeof window !== "undefined" && "Vue" in window) {
    window.Vue.component("draggable", draggableComponent);
  }
  
  /* harmony default export */ var vuedraggable = (draggableComponent);
  // CONCATENATED MODULE: ./node_modules/@vue/cli-service/lib/commands/build/entry-lib.js
  
  
  /* harmony default export */ var entry_lib = __webpack_exports__["default"] = (vuedraggable);
  
  
  
  /***/ })
  
  /******/ })["default"];
  });
  //# sourceMappingURL=vuedraggable.umd.js.map
  
  /***/ })
  
  }]);