拖动元素调换位置——sortable.js
阅读原文时间:2023年07月09日阅读:4

使用简介:

https://github.com/SortableJS/Sortable

https://segmentfault.com/a/1190000008209715

/**!
* Sortable 1.13.0
* @author RubaXa trash@rubaxa.org
* @author owenm owen23355@gmail.com
* @license MIT
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global = global || self, global.Sortable = factory());
}(this, function () { 'use strict';

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");  
}

var version = "1.13.0";

function userAgent(pattern) {  
    if (typeof window !== 'undefined' && window.navigator) {  
        return !!  
            /\*@\_\_PURE\_\_\*/  
            navigator.userAgent.match(pattern);  
    }  
}

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.parentNode && 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)');  
                this.forRepaintDummy = 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.forEach(function (p) {  
            if (p.pluginName === plugin.pluginName) {  
                throw "Sortable: Cannot mount plugin ".concat(plugin.pluginName, " more than once");  
            }  
        });  
        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 && !Safari,  
        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;  
            } // Safari ignores further event handling after mousedown

            if (!this.nativeDraggable && Safari && target && target.tagName.toUpperCase() === 'SELECT') {  
                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, useAnimation) {  
            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);  
            useAnimation && this.captureAnimationState();  
            order.forEach(function (id) {  
                if (items\[id\]) {  
                    rootEl.removeChild(items\[id\]);  
                    rootEl.appendChild(items\[id\]);  
                }  
            });  
            useAnimation && this.animateAll();  
        },

        /\*\*  
         \* 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 (dragEl.parentNode == rootEl && !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);

Sortable.mount(new SwapPlugin());  
Sortable.mount(new MultiDragPlugin());

return Sortable;

}));