FM / dist

/var/www/cobraambalaj/node_modules/shufflejs/dist/

/var/www/cobraambalaj/node_modules/shufflejs/dist

Name	Size	Mode	Actions
shuffle.esm.js	64303	0644	edit dl rm
shuffle.esm.js.map	97458	0644	edit dl rm
shuffle.js	68208	0644	edit dl rm
shuffle.js.map	102641	0644	edit dl rm
shuffle.min.js	19907	0644	edit dl rm
shuffle.min.js.map	80493	0644	edit dl rm

Edit: /var/www/cobraambalaj/node_modules/shufflejs/dist/shuffle.js (68208B)

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
  typeof define === 'function' && define.amd ? define(factory) :
  (global = global || self, global.Shuffle = factory());
}(this, function () { 'use strict';

function _classCallCheck(instance, Constructor) {
    if (!(instance instanceof Constructor)) {
      throw new TypeError("Cannot call a class as a function");
    }
  }

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

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

function _inherits(subClass, superClass) {
    if (typeof superClass !== "function" && superClass !== null) {
      throw new TypeError("Super expression must either be null or a function");
    }

subClass.prototype = Object.create(superClass && superClass.prototype, {
      constructor: {
        value: subClass,
        writable: true,
        configurable: true
      }
    });
    if (superClass) _setPrototypeOf(subClass, superClass);
  }

function _getPrototypeOf(o) {
    _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
      return o.__proto__ || Object.getPrototypeOf(o);
    };
    return _getPrototypeOf(o);
  }

function _setPrototypeOf(o, p) {
    _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
      o.__proto__ = p;
      return o;
    };

return _setPrototypeOf(o, p);
  }

function _assertThisInitialized(self) {
    if (self === void 0) {
      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
    }

return self;
  }

function _possibleConstructorReturn(self, call) {
    if (call && (typeof call === "object" || typeof call === "function")) {
      return call;
    }

return _assertThisInitialized(self);
  }

function E () {
    // Keep this empty so it's easier to inherit from
    // (via https://github.com/lipsmack from https://github.com/scottcorgan/tiny-emitter/issues/3)
  }

E.prototype = {
    on: function (name, callback, ctx) {
      var e = this.e || (this.e = {});

(e[name] || (e[name] = [])).push({
        fn: callback,
        ctx: ctx
      });

return this;
    },

once: function (name, callback, ctx) {
      var self = this;
      function listener () {
        self.off(name, listener);
        callback.apply(ctx, arguments);
      }
      listener._ = callback;
      return this.on(name, listener, ctx);
    },

emit: function (name) {
      var data = [].slice.call(arguments, 1);
      var evtArr = ((this.e || (this.e = {}))[name] || []).slice();
      var i = 0;
      var len = evtArr.length;

for (i; i < len; i++) {
        evtArr[i].fn.apply(evtArr[i].ctx, data);
      }

return this;
    },

off: function (name, callback) {
      var e = this.e || (this.e = {});
      var evts = e[name];
      var liveEvents = [];

if (evts && callback) {
        for (var i = 0, len = evts.length; i < len; i++) {
          if (evts[i].fn !== callback && evts[i].fn._ !== callback)
            liveEvents.push(evts[i]);
        }
      }

// Remove event from queue to prevent memory leak
      // Suggested by https://github.com/lazd
      // Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910

(liveEvents.length)
        ? e[name] = liveEvents
        : delete e[name];

return this;
    }
  };

var tinyEmitter = E;
  var TinyEmitter = E;
  tinyEmitter.TinyEmitter = TinyEmitter;

var proto = typeof Element !== 'undefined' ? Element.prototype : {};
  var vendor = proto.matches
    || proto.matchesSelector
    || proto.webkitMatchesSelector
    || proto.mozMatchesSelector
    || proto.msMatchesSelector
    || proto.oMatchesSelector;

var matchesSelector = match;

/**
   * Match `el` to `selector`.
   *
   * @param {Element} el
   * @param {String} selector
   * @return {Boolean}
   * @api public
   */

function match(el, selector) {
    if (!el || el.nodeType !== 1) return false;
    if (vendor) return vendor.call(el, selector);
    var nodes = el.parentNode.querySelectorAll(selector);
    for (var i = 0; i < nodes.length; i++) {
      if (nodes[i] == el) return true;
    }
    return false;
  }

var throttleit = throttle;

/**
   * Returns a new function that, when invoked, invokes `func` at most once per `wait` milliseconds.
   *
   * @param {Function} func Function to wrap.
   * @param {Number} wait Number of milliseconds that must elapse between `func` invocations.
   * @return {Function} A new function that wraps the `func` function passed in.
   */

function throttle (func, wait) {
    var ctx, args, rtn, timeoutID; // caching
    var last = 0;

return function throttled () {
      ctx = this;
      args = arguments;
      var delta = new Date() - last;
      if (!timeoutID)
        if (delta >= wait) call();
        else timeoutID = setTimeout(call, wait - delta);
      return rtn;
    };

function call () {
      timeoutID = 0;
      last = +new Date();
      rtn = func.apply(ctx, args);
      ctx = null;
      args = null;
    }
  }

var pending = fns && fns.length;
    if (!pending) return callback(null, []);

var finished = false;
    var results = new Array(pending);

fns.forEach(context ? function (fn, i) {
      fn.call(context, maybeDone(i));
    } : function (fn, i) {
      fn(maybeDone(i));
    });

function maybeDone(i) {
      return function (err, result) {
        if (finished) return;

if (err) {
          callback(err, results);
          finished = true;
          return
        }

results[i] = result;

if (!--pending) callback(null, results);
      }
    }
  };

function noop() {}

/**
   * Always returns a numeric value, given a value. Logic from jQuery's `isNumeric`.
   * @param {*} value Possibly numeric value.
   * @return {number} `value` or zero if `value` isn't numeric.
   */
  function getNumber(value) {
    return parseFloat(value) || 0;
  }

var Point =
  /*#__PURE__*/
  function () {
    /**
     * Represents a coordinate pair.
     * @param {number} [x=0] X.
     * @param {number} [y=0] Y.
     */
    function Point(x, y) {
      _classCallCheck(this, Point);

this.x = getNumber(x);
      this.y = getNumber(y);
    }
    /**
     * Whether two points are equal.
     * @param {Point} a Point A.
     * @param {Point} b Point B.
     * @return {boolean}
     */

_createClass(Point, null, [{
      key: "equals",
      value: function equals(a, b) {
        return a.x === b.x && a.y === b.y;
      }
    }]);

return Point;
  }();

var Rect =
  /*#__PURE__*/
  function () {
    /**
     * Class for representing rectangular regions.
     * https://github.com/google/closure-library/blob/master/closure/goog/math/rect.js
     * @param {number} x Left.
     * @param {number} y Top.
     * @param {number} w Width.
     * @param {number} h Height.
     * @param {number} id Identifier
     * @constructor
     */
    function Rect(x, y, w, h, id) {
      _classCallCheck(this, Rect);

this.id = id;
      /** @type {number} */

this.left = x;
      /** @type {number} */

this.top = y;
      /** @type {number} */

this.width = w;
      /** @type {number} */

this.height = h;
    }
    /**
     * Returns whether two rectangles intersect.
     * @param {Rect} a A Rectangle.
     * @param {Rect} b A Rectangle.
     * @return {boolean} Whether a and b intersect.
     */

_createClass(Rect, null, [{
      key: "intersects",
      value: function intersects(a, b) {
        return a.left < b.left + b.width && b.left < a.left + a.width && a.top < b.top + b.height && b.top < a.top + a.height;
      }
    }]);

return Rect;
  }();

var Classes = {
    BASE: 'shuffle',
    SHUFFLE_ITEM: 'shuffle-item',
    VISIBLE: 'shuffle-item--visible',
    HIDDEN: 'shuffle-item--hidden'
  };

var id = 0;

var ShuffleItem =
  /*#__PURE__*/
  function () {
    function ShuffleItem(element) {
      _classCallCheck(this, ShuffleItem);

id += 1;
      this.id = id;
      this.element = element;
      /**
       * Used to separate items for layout and shrink.
       */

this.isVisible = true;
      /**
       * Used to determine if a transition will happen. By the time the _layout
       * and _shrink methods get the ShuffleItem instances, the `isVisible` value
       * has already been changed by the separation methods, so this property is
       * needed to know if the item was visible/hidden before the shrink/layout.
       */

this.isHidden = false;
    }

_createClass(ShuffleItem, [{
      key: "show",
      value: function show() {
        this.isVisible = true;
        this.element.classList.remove(Classes.HIDDEN);
        this.element.classList.add(Classes.VISIBLE);
        this.element.removeAttribute('aria-hidden');
      }
    }, {
      key: "hide",
      value: function hide() {
        this.isVisible = false;
        this.element.classList.remove(Classes.VISIBLE);
        this.element.classList.add(Classes.HIDDEN);
        this.element.setAttribute('aria-hidden', true);
      }
    }, {
      key: "init",
      value: function init() {
        this.addClasses([Classes.SHUFFLE_ITEM, Classes.VISIBLE]);
        this.applyCss(ShuffleItem.Css.INITIAL);
        this.scale = ShuffleItem.Scale.VISIBLE;
        this.point = new Point();
      }
    }, {
      key: "addClasses",
      value: function addClasses(classes) {
        var _this = this;

classes.forEach(function (className) {
          _this.element.classList.add(className);
        });
      }
    }, {
      key: "removeClasses",
      value: function removeClasses(classes) {
        var _this2 = this;

classes.forEach(function (className) {
          _this2.element.classList.remove(className);
        });
      }
    }, {
      key: "applyCss",
      value: function applyCss(obj) {
        var _this3 = this;

Object.keys(obj).forEach(function (key) {
          _this3.element.style[key] = obj[key];
        });
      }
    }, {
      key: "dispose",
      value: function dispose() {
        this.removeClasses([Classes.HIDDEN, Classes.VISIBLE, Classes.SHUFFLE_ITEM]);
        this.element.removeAttribute('style');
        this.element = null;
      }
    }]);

return ShuffleItem;
  }();

ShuffleItem.Css = {
    INITIAL: {
      position: 'absolute',
      top: 0,
      left: 0,
      visibility: 'visible',
      willChange: 'transform'
    },
    VISIBLE: {
      before: {
        opacity: 1,
        visibility: 'visible'
      },
      after: {
        transitionDelay: ''
      }
    },
    HIDDEN: {
      before: {
        opacity: 0
      },
      after: {
        visibility: 'hidden',
        transitionDelay: ''
      }
    }
  };
  ShuffleItem.Scale = {
    VISIBLE: 1,
    HIDDEN: 0.001
  };

var value = null;
  var testComputedSize = (function () {
    if (value !== null) {
      return value;
    }

var element = document.body || document.documentElement;
    var e = document.createElement('div');
    e.style.cssText = 'width:10px;padding:2px;box-sizing:border-box;';
    element.appendChild(e);
    value = window.getComputedStyle(e, null).width === '10px';
    element.removeChild(e);
    return value;
  });

/**
   * Retrieve the computed style for an element, parsed as a float.
   * @param {Element} element Element to get style for.
   * @param {string} style Style property.
   * @param {CSSStyleDeclaration} [styles] Optionally include clean styles to
   *     use instead of asking for them again.
   * @return {number} The parsed computed value or zero if that fails because IE
   *     will return 'auto' when the element doesn't have margins instead of
   *     the computed style.
   */

function getNumberStyle(element, style) {
    var styles = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : window.getComputedStyle(element, null);
    var value = getNumber(styles[style]); // Support IE<=11 and W3C spec.

if (!testComputedSize() && style === 'width') {
      value += getNumber(styles.paddingLeft) + getNumber(styles.paddingRight) + getNumber(styles.borderLeftWidth) + getNumber(styles.borderRightWidth);
    } else if (!testComputedSize() && style === 'height') {
      value += getNumber(styles.paddingTop) + getNumber(styles.paddingBottom) + getNumber(styles.borderTopWidth) + getNumber(styles.borderBottomWidth);
    }

return value;
  }

/**
   * Fisher-Yates shuffle.
   * http://stackoverflow.com/a/962890/373422
   * https://bost.ocks.org/mike/shuffle/
   * @param {Array} array Array to shuffle.
   * @return {Array} Randomly sorted array.
   */
  function randomize(array) {
    var n = array.length;

while (n) {
      n -= 1;
      var i = Math.floor(Math.random() * (n + 1));
      var temp = array[i];
      array[i] = array[n];
      array[n] = temp;
    }

return array;
  }

var defaults = {
    // Use array.reverse() to reverse the results
    reverse: false,
    // Sorting function
    by: null,
    // Custom sort function
    compare: null,
    // If true, this will skip the sorting and return a randomized order in the array
    randomize: false,
    // Determines which property of each item in the array is passed to the
    // sorting method.
    key: 'element'
  };
  /**
   * You can return `undefined` from the `by` function to revert to DOM order.
   * @param {Array<T>} arr Array to sort.
   * @param {SortOptions} options Sorting options.
   * @return {Array<T>}
   */

function sorter(arr, options) {
    var opts = Object.assign({}, defaults, options);
    var original = Array.from(arr);
    var revert = false;

if (!arr.length) {
      return [];
    }

if (opts.randomize) {
      return randomize(arr);
    } // Sort the elements by the opts.by function.
    // If we don't have opts.by, default to DOM order

if (typeof opts.by === 'function') {
      arr.sort(function (a, b) {
        // Exit early if we already know we want to revert
        if (revert) {
          return 0;
        }

var valA = opts.by(a[opts.key]);
        var valB = opts.by(b[opts.key]); // If both values are undefined, use the DOM order

if (valA === undefined && valB === undefined) {
          revert = true;
          return 0;
        }

if (valA < valB || valA === 'sortFirst' || valB === 'sortLast') {
          return -1;
        }

if (valA > valB || valA === 'sortLast' || valB === 'sortFirst') {
          return 1;
        }

return 0;
      });
    } else if (typeof opts.compare === 'function') {
      arr.sort(opts.compare);
    } // Revert to the original array if necessary

if (revert) {
      return original;
    }

if (opts.reverse) {
      arr.reverse();
    }

return arr;
  }

var transitions = {};
  var eventName = 'transitionend';
  var count = 0;

function uniqueId() {
    count += 1;
    return eventName + count;
  }

function cancelTransitionEnd(id) {
    if (transitions[id]) {
      transitions[id].element.removeEventListener(eventName, transitions[id].listener);
      transitions[id] = null;
      return true;
    }

return false;
  }
  function onTransitionEnd(element, callback) {
    var id = uniqueId();

var listener = function listener(evt) {
      if (evt.currentTarget === evt.target) {
        cancelTransitionEnd(id);
        callback(evt);
      }
    };

element.addEventListener(eventName, listener);
    transitions[id] = {
      element: element,
      listener: listener
    };
    return id;
  }

function arrayMax(array) {
    return Math.max.apply(Math, array); // eslint-disable-line prefer-spread
  }

function arrayMin(array) {
    return Math.min.apply(Math, array); // eslint-disable-line prefer-spread
  }

/**
   * Determine the number of columns an items spans.
   * @param {number} itemWidth Width of the item.
   * @param {number} columnWidth Width of the column (includes gutter).
   * @param {number} columns Total number of columns
   * @param {number} threshold A buffer value for the size of the column to fit.
   * @return {number}
   */

function getColumnSpan(itemWidth, columnWidth, columns, threshold) {
    var columnSpan = itemWidth / columnWidth; // If the difference between the rounded column span number and the
    // calculated column span number is really small, round the number to
    // make it fit.

if (Math.abs(Math.round(columnSpan) - columnSpan) < threshold) {
      // e.g. columnSpan = 4.0089945390298745
      columnSpan = Math.round(columnSpan);
    } // Ensure the column span is not more than the amount of columns in the whole layout.

return Math.min(Math.ceil(columnSpan), columns);
  }
  /**
   * Retrieves the column set to use for placement.
   * @param {number} columnSpan The number of columns this current item spans.
   * @param {number} columns The total columns in the grid.
   * @return {Array.<number>} An array of numbers represeting the column set.
   */

function getAvailablePositions(positions, columnSpan, columns) {
    // The item spans only one column.
    if (columnSpan === 1) {
      return positions;
    } // The item spans more than one column, figure out how many different
    // places it could fit horizontally.
    // The group count is the number of places within the positions this block
    // could fit, ignoring the current positions of items.
    // Imagine a 2 column brick as the second item in a 4 column grid with
    // 10px height each. Find the places it would fit:
    // [20, 10, 10, 0]
    //  |   |   |
    //  *   *   *
    //
    // Then take the places which fit and get the bigger of the two:
    // max([20, 10]), max([10, 10]), max([10, 0]) = [20, 10, 10]
    //
    // Next, find the first smallest number (the short column).
    // [20, 10, 10]
    //      |
    //      *
    //
    // And that's where it should be placed!
    //
    // Another example where the second column's item extends past the first:
    // [10, 20, 10, 0] => [20, 20, 10] => 10

var available = []; // For how many possible positions for this item there are.

for (var i = 0; i <= columns - columnSpan; i++) {
      // Find the bigger value for each place it could fit.
      available.push(arrayMax(positions.slice(i, i + columnSpan)));
    }

return available;
  }
  /**
   * Find index of short column, the first from the left where this item will go.
   *
   * @param {Array.<number>} positions The array to search for the smallest number.
   * @param {number} buffer Optional buffer which is very useful when the height
   *     is a percentage of the width.
   * @return {number} Index of the short column.
   */

function getShortColumn(positions, buffer) {
    var minPosition = arrayMin(positions);

for (var i = 0, len = positions.length; i < len; i++) {
      if (positions[i] >= minPosition - buffer && positions[i] <= minPosition + buffer) {
        return i;
      }
    }

return 0;
  }
  /**
   * Determine the location of the next item, based on its size.
   * @param {Object} itemSize Object with width and height.
   * @param {Array.<number>} positions Positions of the other current items.
   * @param {number} gridSize The column width or row height.
   * @param {number} total The total number of columns or rows.
   * @param {number} threshold Buffer value for the column to fit.
   * @param {number} buffer Vertical buffer for the height of items.
   * @return {Point}
   */

function getItemPosition(_ref) {
    var itemSize = _ref.itemSize,
        positions = _ref.positions,
        gridSize = _ref.gridSize,
        total = _ref.total,
        threshold = _ref.threshold,
        buffer = _ref.buffer;
    var span = getColumnSpan(itemSize.width, gridSize, total, threshold);
    var setY = getAvailablePositions(positions, span, total);
    var shortColumnIndex = getShortColumn(setY, buffer); // Position the item

var point = new Point(gridSize * shortColumnIndex, setY[shortColumnIndex]); // Update the columns array with the new values for each column.
    // e.g. before the update the columns could be [250, 0, 0, 0] for an item
    // which spans 2 columns. After it would be [250, itemHeight, itemHeight, 0].

var setHeight = setY[shortColumnIndex] + itemSize.height;

for (var i = 0; i < span; i++) {
      positions[shortColumnIndex + i] = setHeight;
    }

return point;
  }
  /**
   * This method attempts to center items. This method could potentially be slow
   * with a large number of items because it must place items, then check every
   * previous item to ensure there is no overlap.
   * @param {Array.<Rect>} itemRects Item data objects.
   * @param {number} containerWidth Width of the containing element.
   * @return {Array.<Point>}
   */

function getCenteredPositions(itemRects, containerWidth) {
    var rowMap = {}; // Populate rows by their offset because items could jump between rows like:
    // a   c
    //  bbb

itemRects.forEach(function (itemRect) {
      if (rowMap[itemRect.top]) {
        // Push the point to the last row array.
        rowMap[itemRect.top].push(itemRect);
      } else {
        // Start of a new row.
        rowMap[itemRect.top] = [itemRect];
      }
    }); // For each row, find the end of the last item, then calculate
    // the remaining space by dividing it by 2. Then add that
    // offset to the x position of each point.

var rects = [];
    var rows = [];
    var centeredRows = [];
    Object.keys(rowMap).forEach(function (key) {
      var itemRects = rowMap[key];
      rows.push(itemRects);
      var lastItem = itemRects[itemRects.length - 1];
      var end = lastItem.left + lastItem.width;
      var offset = Math.round((containerWidth - end) / 2);
      var finalRects = itemRects;
      var canMove = false;

if (offset > 0) {
        var newRects = [];
        canMove = itemRects.every(function (r) {
          var newRect = new Rect(r.left + offset, r.top, r.width, r.height, r.id); // Check all current rects to make sure none overlap.

var noOverlap = !rects.some(function (r) {
            return Rect.intersects(newRect, r);
          });
          newRects.push(newRect);
          return noOverlap;
        }); // If none of the rectangles overlapped, the whole group can be centered.

if (canMove) {
          finalRects = newRects;
        }
      } // If the items are not going to be offset, ensure that the original
      // placement for this row will not overlap previous rows (row-spanning
      // elements could be in the way).

if (!canMove) {
        var intersectingRect;
        var hasOverlap = itemRects.some(function (itemRect) {
          return rects.some(function (r) {
            var intersects = Rect.intersects(itemRect, r);

if (intersects) {
              intersectingRect = r;
            }

return intersects;
          });
        }); // If there is any overlap, replace the overlapping row with the original.

if (hasOverlap) {
          var rowIndex = centeredRows.findIndex(function (items) {
            return items.includes(intersectingRect);
          });
          centeredRows.splice(rowIndex, 1, rows[rowIndex]);
        }
      }

rects = rects.concat(finalRects);
      centeredRows.push(finalRects);
    }); // Reduce array of arrays to a single array of points.
    // https://stackoverflow.com/a/10865042/373422
    // Then reset sort back to how the items were passed to this method.
    // Remove the wrapper object with index, map to a Point.

return [].concat.apply([], centeredRows) // eslint-disable-line prefer-spread
    .sort(function (a, b) {
      return a.id - b.id;
    }).map(function (itemRect) {
      return new Point(itemRect.left, itemRect.top);
    });
  }

/**
   * Hyphenates a javascript style string to a css one. For example:
   * MozBoxSizing -> -moz-box-sizing.
   * @param {string} str The string to hyphenate.
   * @return {string} The hyphenated string.
   */
  function hyphenate(str) {
    return str.replace(/([A-Z])/g, function (str, m1) {
      return "-".concat(m1.toLowerCase());
    });
  }

function arrayUnique(x) {
    return Array.from(new Set(x));
  } // Used for unique instance variables

var id$1 = 0;

var Shuffle =
  /*#__PURE__*/
  function (_TinyEmitter) {
    _inherits(Shuffle, _TinyEmitter);

/**
     * Categorize, sort, and filter a responsive grid of items.
     *
     * @param {Element} element An element which is the parent container for the grid items.
     * @param {Object} [options=Shuffle.options] Options object.
     * @constructor
     */
    function Shuffle(element) {
      var _this;

var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

_classCallCheck(this, Shuffle);

_this = _possibleConstructorReturn(this, _getPrototypeOf(Shuffle).call(this));
      _this.options = Object.assign({}, Shuffle.options, options); // Allow misspelling of delimiter since that's how it used to be.
      // Remove in v6.

if (_this.options.delimeter) {
        _this.options.delimiter = _this.options.delimeter;
      }

_this.lastSort = {};
      _this.group = Shuffle.ALL_ITEMS;
      _this.lastFilter = Shuffle.ALL_ITEMS;
      _this.isEnabled = true;
      _this.isDestroyed = false;
      _this.isInitialized = false;
      _this._transitions = [];
      _this.isTransitioning = false;
      _this._queue = [];

var el = _this._getElementOption(element);

if (!el) {
        throw new TypeError('Shuffle needs to be initialized with an element.');
      }

_this.element = el;
      _this.id = 'shuffle_' + id$1;
      id$1 += 1;

_this._init();

_this.isInitialized = true;
      return _this;
    }

_createClass(Shuffle, [{
      key: "_init",
      value: function _init() {
        this.items = this._getItems();
        this.options.sizer = this._getElementOption(this.options.sizer); // Add class and invalidate styles

this.element.classList.add(Shuffle.Classes.BASE); // Set initial css for each item

this._initItems(this.items); // Bind resize events

this._onResize = this._getResizeFunction();
        window.addEventListener('resize', this._onResize); // If the page has not already emitted the `load` event, call layout on load.
        // This avoids layout issues caused by images and fonts loading after the
        // instance has been initialized.

if (document.readyState !== 'complete') {
          var layout = this.layout.bind(this);
          window.addEventListener('load', function onLoad() {
            window.removeEventListener('load', onLoad);
            layout();
          });
        } // Get container css all in one request. Causes reflow

var containerCss = window.getComputedStyle(this.element, null);
        var containerWidth = Shuffle.getSize(this.element).width; // Add styles to the container if it doesn't have them.

this._validateStyles(containerCss); // We already got the container's width above, no need to cause another
        // reflow getting it again... Calculate the number of columns there will be

this._setColumns(containerWidth); // Kick off!

this.filter(this.options.group, this.options.initialSort); // The shuffle items haven't had transitions set on them yet so the user
        // doesn't see the first layout. Set them now that the first layout is done.
        // First, however, a synchronous layout must be caused for the previous
        // styles to be applied without transitions.

this.element.offsetWidth; // eslint-disable-line no-unused-expressions

this.setItemTransitions(this.items);
        this.element.style.transition = "height ".concat(this.options.speed, "ms ").concat(this.options.easing);
      }
      /**
       * Returns a throttled and proxied function for the resize handler.
       * @return {function}
       * @private
       */

}, {
      key: "_getResizeFunction",
      value: function _getResizeFunction() {
        var resizeFunction = this._handleResize.bind(this);

return this.options.throttle ? this.options.throttle(resizeFunction, this.options.throttleTime) : resizeFunction;
      }
      /**
       * Retrieve an element from an option.
       * @param {string|jQuery|Element} option The option to check.
       * @return {?Element} The plain element or null.
       * @private
       */

}, {
      key: "_getElementOption",
      value: function _getElementOption(option) {
        // If column width is a string, treat is as a selector and search for the
        // sizer element within the outermost container
        if (typeof option === 'string') {
          return this.element.querySelector(option);
        } // Check for an element

if (option && option.nodeType && option.nodeType === 1) {
          return option;
        } // Check for jQuery object

if (option && option.jquery) {
          return option[0];
        }

return null;
      }
      /**
       * Ensures the shuffle container has the css styles it needs applied to it.
       * @param {Object} styles Key value pairs for position and overflow.
       * @private
       */

}, {
      key: "_validateStyles",
      value: function _validateStyles(styles) {
        // Position cannot be static.
        if (styles.position === 'static') {
          this.element.style.position = 'relative';
        } // Overflow has to be hidden.

if (styles.overflow !== 'hidden') {
          this.element.style.overflow = 'hidden';
        }
      }
      /**
       * Filter the elements by a category.
       * @param {string|string[]|function(Element):boolean} [category] Category to
       *     filter by. If it's given, the last category will be used to filter the items.
       * @param {Array} [collection] Optionally filter a collection. Defaults to
       *     all the items.
       * @return {{visible: ShuffleItem[], hidden: ShuffleItem[]}}
       * @private
       */

}, {
      key: "_filter",
      value: function _filter() {
        var category = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this.lastFilter;
        var collection = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.items;

var set = this._getFilteredSets(category, collection); // Individually add/remove hidden/visible classes

this._toggleFilterClasses(set); // Save the last filter in case elements are appended.

this.lastFilter = category; // This is saved mainly because providing a filter function (like searching)
        // will overwrite the `lastFilter` property every time its called.

if (typeof category === 'string') {
          this.group = category;
        }

return set;
      }
      /**
       * Returns an object containing the visible and hidden elements.
       * @param {string|string[]|function(Element):boolean} category Category or function to filter by.
       * @param {ShuffleItem[]} items A collection of items to filter.
       * @return {{visible: ShuffleItem[], hidden: ShuffleItem[]}}
       * @private
       */

}, {
      key: "_getFilteredSets",
      value: function _getFilteredSets(category, items) {
        var _this2 = this;

var visible = [];
        var hidden = []; // category === 'all', add visible class to everything

if (category === Shuffle.ALL_ITEMS) {
          visible = items; // Loop through each item and use provided function to determine
          // whether to hide it or not.
        } else {
          items.forEach(function (item) {
            if (_this2._doesPassFilter(category, item.element)) {
              visible.push(item);
            } else {
              hidden.push(item);
            }
          });
        }

return {
          visible: visible,
          hidden: hidden
        };
      }
      /**
       * Test an item to see if it passes a category.
       * @param {string|string[]|function():boolean} category Category or function to filter by.
       * @param {Element} element An element to test.
       * @return {boolean} Whether it passes the category/filter.
       * @private
       */

}, {
      key: "_doesPassFilter",
      value: function _doesPassFilter(category, element) {
        if (typeof category === 'function') {
          return category.call(element, element, this);
        } // Check each element's data-groups attribute against the given category.

var attr = element.getAttribute('data-' + Shuffle.FILTER_ATTRIBUTE_KEY);
        var keys = this.options.delimiter ? attr.split(this.options.delimiter) : JSON.parse(attr);

function testCategory(category) {
          return keys.includes(category);
        }

if (Array.isArray(category)) {
          if (this.options.filterMode === Shuffle.FilterMode.ANY) {
            return category.some(testCategory);
          }

return category.every(testCategory);
        }

return keys.includes(category);
      }
      /**
       * Toggles the visible and hidden class names.
       * @param {{visible, hidden}} Object with visible and hidden arrays.
       * @private
       */

}, {
      key: "_toggleFilterClasses",
      value: function _toggleFilterClasses(_ref) {
        var visible = _ref.visible,
            hidden = _ref.hidden;
        visible.forEach(function (item) {
          item.show();
        });
        hidden.forEach(function (item) {
          item.hide();
        });
      }
      /**
       * Set the initial css for each item
       * @param {ShuffleItem[]} items Set to initialize.
       * @private
       */

}, {
      key: "_initItems",
      value: function _initItems(items) {
        items.forEach(function (item) {
          item.init();
        });
      }
      /**
       * Remove element reference and styles.
       * @param {ShuffleItem[]} items Set to dispose.
       * @private
       */

}, {
      key: "_disposeItems",
      value: function _disposeItems(items) {
        items.forEach(function (item) {
          item.dispose();
        });
      }
      /**
       * Updates the visible item count.
       * @private
       */

}, {
      key: "_updateItemCount",
      value: function _updateItemCount() {
        this.visibleItems = this._getFilteredItems().length;
      }
      /**
       * Sets css transform transition on a group of elements. This is not executed
       * at the same time as `item.init` so that transitions don't occur upon
       * initialization of a new Shuffle instance.
       * @param {ShuffleItem[]} items Shuffle items to set transitions on.
       * @protected
       */

}, {
      key: "setItemTransitions",
      value: function setItemTransitions(items) {
        var _this$options = this.options,
            speed = _this$options.speed,
            easing = _this$options.easing;
        var positionProps = this.options.useTransforms ? ['transform'] : ['top', 'left']; // Allow users to transtion other properties if they exist in the `before`
        // css mapping of the shuffle item.

return Array.from(this.element.children).filter(function (el) {
          return matchesSelector(el, _this3.options.itemSelector);
        }).map(function (el) {
          return new ShuffleItem(el);
        });
      }
      /**
       * Combine the current items array with a new one and sort it by DOM order.
       * @param {ShuffleItem[]} items Items to track.
       * @return {ShuffleItem[]}
       */

}, {
      key: "_mergeNewItems",
      value: function _mergeNewItems(items) {
        var children = Array.from(this.element.children);
        return sorter(this.items.concat(items), {
          by: function by(element) {
            return children.indexOf(element);
          }
        });
      }
    }, {
      key: "_getFilteredItems",
      value: function _getFilteredItems() {
        return this.items.filter(function (item) {
          return item.isVisible;
        });
      }
    }, {
      key: "_getConcealedItems",
      value: function _getConcealedItems() {
        return this.items.filter(function (item) {
          return !item.isVisible;
        });
      }
      /**
       * Returns the column size, based on column width and sizer options.
       * @param {number} containerWidth Size of the parent container.
       * @param {number} gutterSize Size of the gutters.
       * @return {number}
       * @private
       */

}, {
      key: "_getColumnSize",
      value: function _getColumnSize(containerWidth, gutterSize) {
        var size; // If the columnWidth property is a function, then the grid is fluid

if (typeof this.options.columnWidth === 'function') {
          size = this.options.columnWidth(containerWidth); // columnWidth option isn't a function, are they using a sizing element?
        } else if (this.options.sizer) {
          size = Shuffle.getSize(this.options.sizer).width; // if not, how about the explicitly set option?
        } else if (this.options.columnWidth) {
          size = this.options.columnWidth; // or use the size of the first item
        } else if (this.items.length > 0) {
          size = Shuffle.getSize(this.items[0].element, true).width; // if there's no items, use size of container
        } else {
          size = containerWidth;
        } // Don't let them set a column width of zero.

if (size === 0) {
          size = containerWidth;
        }

return size + gutterSize;
      }
      /**
       * Returns the gutter size, based on gutter width and sizer options.
       * @param {number} containerWidth Size of the parent container.
       * @return {number}
       * @private
       */

}, {
      key: "_getGutterSize",
      value: function _getGutterSize(containerWidth) {
        var size;

if (typeof this.options.gutterWidth === 'function') {
          size = this.options.gutterWidth(containerWidth);
        } else if (this.options.sizer) {
          size = getNumberStyle(this.options.sizer, 'marginLeft');
        } else {
          size = this.options.gutterWidth;
        }

return size;
      }
      /**
       * Calculate the number of columns to be used. Gets css if using sizer element.
       * @param {number} [containerWidth] Optionally specify a container width if
       *    it's already available.
       */

}, {
      key: "_setColumns",
      value: function _setColumns() {
        var containerWidth = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : Shuffle.getSize(this.element).width;

var gutter = this._getGutterSize(containerWidth);

var columnWidth = this._getColumnSize(containerWidth, gutter);

var calculatedColumns = (containerWidth + gutter) / columnWidth; // Widths given from getStyles are not precise enough...

if (Math.abs(Math.round(calculatedColumns) - calculatedColumns) < this.options.columnThreshold) {
          // e.g. calculatedColumns = 11.998876
          calculatedColumns = Math.round(calculatedColumns);
        }

this.cols = Math.max(Math.floor(calculatedColumns || 0), 1);
        this.containerWidth = containerWidth;
        this.colWidth = columnWidth;
      }
      /**
       * Adjust the height of the grid
       */

}, {
      key: "_setContainerSize",
      value: function _setContainerSize() {
        this.element.style.height = this._getContainerSize() + 'px';
      }
      /**
       * Based on the column heights, it returns the biggest one.
       * @return {number}
       * @private
       */

}, {
      key: "_getContainerSize",
      value: function _getContainerSize() {
        return arrayMax(this.positions);
      }
      /**
       * Get the clamped stagger amount.
       * @param {number} index Index of the item to be staggered.
       * @return {number}
       */

}, {
      key: "_getStaggerAmount",
      value: function _getStaggerAmount(index) {
        return Math.min(index * this.options.staggerAmount, this.options.staggerAmountMax);
      }
      /**
       * Emit an event from this instance.
       * @param {string} name Event name.
       * @param {Object} [data={}] Optional object data.
       */

}, {
      key: "_dispatch",
      value: function _dispatch(name) {
        var data = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

if (this.isDestroyed) {
          return;
        }

data.shuffle = this;
        this.emit(name, data);
      }
      /**
       * Zeros out the y columns array, which is used to determine item placement.
       * @private
       */

}, {
      key: "_resetCols",
      value: function _resetCols() {
        var i = this.cols;
        this.positions = [];

while (i) {
          i -= 1;
          this.positions.push(0);
        }
      }
      /**
       * Loops through each item that should be shown and calculates the x, y position.
       * @param {ShuffleItem[]} items Array of items that will be shown/layed
       *     out in order in their array.
       */

}, {
      key: "_layout",
      value: function _layout(items) {
        var _this4 = this;

var itemPositions = this._getNextPositions(items);

var count = 0;
        items.forEach(function (item, i) {
          function callback() {
            item.applyCss(ShuffleItem.Css.VISIBLE.after);
          } // If the item will not change its position, do not add it to the render
          // queue. Transitions don't fire when setting a property to the same value.

if (Point.equals(item.point, itemPositions[i]) && !item.isHidden) {
            item.applyCss(ShuffleItem.Css.VISIBLE.before);
            callback();
            return;
          }

item.point = itemPositions[i];
          item.scale = ShuffleItem.Scale.VISIBLE;
          item.isHidden = false; // Clone the object so that the `before` object isn't modified when the
          // transition delay is added.

var styles = _this4.getStylesForTransition(item, ShuffleItem.Css.VISIBLE.before);

styles.transitionDelay = _this4._getStaggerAmount(count) + 'ms';

_this4._queue.push({
            item: item,
            styles: styles,
            callback: callback
          });

count += 1;
        });
      }
      /**
       * Return an array of Point instances representing the future positions of
       * each item.
       * @param {ShuffleItem[]} items Array of sorted shuffle items.
       * @return {Point[]}
       * @private
       */

}, {
      key: "_getNextPositions",
      value: function _getNextPositions(items) {
        var _this5 = this;

// If position data is going to be changed, add the item's size to the
        // transformer to allow for calculations.
        if (this.options.isCentered) {
          var itemsData = items.map(function (item, i) {
            var itemSize = Shuffle.getSize(item.element, true);

var point = _this5._getItemPosition(itemSize);

return new Rect(point.x, point.y, itemSize.width, itemSize.height, i);
          });
          return this.getTransformedPositions(itemsData, this.containerWidth);
        } // If no transforms are going to happen, simply return an array of the
        // future points of each item.

return items.map(function (item) {
          return _this5._getItemPosition(Shuffle.getSize(item.element, true));
        });
      }
      /**
       * Determine the location of the next item, based on its size.
       * @param {{width: number, height: number}} itemSize Object with width and height.
       * @return {Point}
       * @private
       */

}, {
      key: "_getItemPosition",
      value: function _getItemPosition(itemSize) {
        return getItemPosition({
          itemSize: itemSize,
          positions: this.positions,
          gridSize: this.colWidth,
          total: this.cols,
          threshold: this.options.columnThreshold,
          buffer: this.options.buffer
        });
      }
      /**
       * Mutate positions before they're applied.
       * @param {Rect[]} itemRects Item data objects.
       * @param {number} containerWidth Width of the containing element.
       * @return {Point[]}
       * @protected
       */

}, {
      key: "getTransformedPositions",
      value: function getTransformedPositions(itemRects, containerWidth) {
        return getCenteredPositions(itemRects, containerWidth);
      }
      /**
       * Hides the elements that don't match our filter.
       * @param {ShuffleItem[]} collection Collection to shrink.
       * @private
       */

}, {
      key: "_shrink",
      value: function _shrink() {
        var _this6 = this;

var collection = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this._getConcealedItems();
        var count = 0;
        collection.forEach(function (item) {
          function callback() {
            item.applyCss(ShuffleItem.Css.HIDDEN.after);
          } // Continuing would add a transitionend event listener to the element, but
          // that listener would not execute because the transform and opacity would
          // stay the same.
          // The callback is executed here because it is not guaranteed to be called
          // after the transitionend event because the transitionend could be
          // canceled if another animation starts.

if (item.isHidden) {
            item.applyCss(ShuffleItem.Css.HIDDEN.before);
            callback();
            return;
          }

item.scale = ShuffleItem.Scale.HIDDEN;
          item.isHidden = true;

var styles = _this6.getStylesForTransition(item, ShuffleItem.Css.HIDDEN.before);

styles.transitionDelay = _this6._getStaggerAmount(count) + 'ms';

_this6._queue.push({
            item: item,
            styles: styles,
            callback: callback
          });

count += 1;
        });
      }
      /**
       * Resize handler.
       * @private
       */

}, {
      key: "_handleResize",
      value: function _handleResize() {
        // If shuffle is disabled, destroyed, don't do anything
        if (!this.isEnabled || this.isDestroyed) {
          return;
        }

this.update();
      }
      /**
       * Returns styles which will be applied to the an item for a transition.
       * @param {ShuffleItem} item Item to get styles for. Should have updated
       *   scale and point properties.
       * @param {Object} styleObject Extra styles that will be used in the transition.
       * @return {!Object} Transforms for transitions, left/top for animate.
       * @protected
       */

}, {
      key: "getStylesForTransition",
      value: function getStylesForTransition(item, styleObject) {
        // Clone the object to avoid mutating the original.
        var styles = Object.assign({}, styleObject);

if (this.options.useTransforms) {
          var x = this.options.roundTransforms ? Math.round(item.point.x) : item.point.x;
          var y = this.options.roundTransforms ? Math.round(item.point.y) : item.point.y;
          styles.transform = "translate(".concat(x, "px, ").concat(y, "px) scale(").concat(item.scale, ")");
        } else {
          styles.left = item.point.x + 'px';
          styles.top = item.point.y + 'px';
        }

return styles;
      }
      /**
       * Listen for the transition end on an element and execute the itemCallback
       * when it finishes.
       * @param {Element} element Element to listen on.
       * @param {function} itemCallback Callback for the item.
       * @param {function} done Callback to notify `parallel` that this one is done.
       */

}, {
      key: "_whenTransitionDone",
      value: function _whenTransitionDone(element, itemCallback, done) {
        var id = onTransitionEnd(element, function (evt) {
          itemCallback();
          done(null, evt);
        });

this._transitions.push(id);
      }
      /**
       * Return a function which will set CSS styles and call the `done` function
       * when (if) the transition finishes.
       * @param {Object} opts Transition object.
       * @return {function} A function to be called with a `done` function.
       */

}, {
      key: "_getTransitionFunction",
      value: function _getTransitionFunction(opts) {
        var _this7 = this;

return function (done) {
          opts.item.applyCss(opts.styles);

_this7._whenTransitionDone(opts.item.element, opts.callback, done);
        };
      }
      /**
       * Execute the styles gathered in the style queue. This applies styles to elements,
       * triggering transitions.
       * @private
       */

}, {
      key: "_processQueue",
      value: function _processQueue() {
        if (this.isTransitioning) {
          this._cancelMovement();
        }

var hasSpeed = this.options.speed > 0;
        var hasQueue = this._queue.length > 0;

if (hasQueue && hasSpeed && this.isInitialized) {
          this._startTransitions(this._queue);
        } else if (hasQueue) {
          this._styleImmediately(this._queue);

this._dispatch(Shuffle.EventType.LAYOUT); // A call to layout happened, but none of the newly visible items will
          // change position or the transition duration is zero, which will not trigger
          // the transitionend event.

} else {
          this._dispatch(Shuffle.EventType.LAYOUT);
        } // Remove everything in the style queue

this._queue.length = 0;
      }
      /**
       * Wait for each transition to finish, the emit the layout event.
       * @param {Object[]} transitions Array of transition objects.
       */

}, {
      key: "_startTransitions",
      value: function _startTransitions(transitions) {
        var _this8 = this;

// Set flag that shuffle is currently in motion.
        this.isTransitioning = true; // Create an array of functions to be called.

this._transitions.length = 0; // Show it's no longer active.

this.isTransitioning = false;
      }
      /**
       * Apply styles without a transition.
       * @param {Object[]} objects Array of transition objects.
       * @private
       */

}, {
      key: "_styleImmediately",
      value: function _styleImmediately(objects) {
        if (objects.length) {
          var elements = objects.map(function (obj) {
            return obj.item.element;
          });

Shuffle._skipTransitions(elements, function () {
            objects.forEach(function (obj) {
              obj.item.applyCss(obj.styles);
              obj.callback();
            });
          });
        }
      }
    }, {
      key: "_movementFinished",
      value: function _movementFinished() {
        this._transitions.length = 0;
        this.isTransitioning = false;

this._dispatch(Shuffle.EventType.LAYOUT);
      }
      /**
       * The magic. This is what makes the plugin 'shuffle'
       * @param {string|string[]|function(Element):boolean} [category] Category to filter by.
       *     Can be a function, string, or array of strings.
       * @param {SortOptions} [sortOptions] A sort object which can sort the visible set
       */

}, {
      key: "filter",
      value: function filter(category, sortOptions) {
        if (!this.isEnabled) {
          return;
        }

if (!category || category && category.length === 0) {
          category = Shuffle.ALL_ITEMS; // eslint-disable-line no-param-reassign
        }

this._filter(category); // Shrink each hidden item

this._shrink(); // How many visible elements?

this._updateItemCount(); // Update transforms on visible elements so they will animate to their new positions.

this.sort(sortOptions);
      }
      /**
       * Gets the visible elements, sorts them, and passes them to layout.
       * @param {SortOptions} [sortOptions] The options object to pass to `sorter`.
       */

}, {
      key: "sort",
      value: function sort() {
        var sortOptions = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this.lastSort;

if (!this.isEnabled) {
          return;
        }

this._resetCols();

var items = sorter(this._getFilteredItems(), sortOptions);

this._layout(items); // `_layout` always happens after `_shrink`, so it's safe to process the style
        // queue here with styles from the shrink method.

this._processQueue(); // Adjust the height of the container.

this._setContainerSize();

this.lastSort = sortOptions;
      }
      /**
       * Reposition everything.
       * @param {boolean} [isOnlyLayout=false] If true, column and gutter widths won't be recalculated.
       */

}, {
      key: "update",
      value: function update() {
        var isOnlyLayout = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

if (this.isEnabled) {
          if (!isOnlyLayout) {
            // Get updated colCount
            this._setColumns();
          } // Layout items

this.sort();
        }
      }
      /**
       * Use this instead of `update()` if you don't need the columns and gutters updated
       * Maybe an image inside `shuffle` loaded (and now has a height), which means calculations
       * could be off.
       */

}, {
      key: "layout",
      value: function layout() {
        this.update(true);
      }
      /**
       * New items have been appended to shuffle. Mix them in with the current
       * filter or sort status.
       * @param {Element[]} newItems Collection of new items.
       */

}, {
      key: "add",
      value: function add(newItems) {
        var _this9 = this;

var items = arrayUnique(newItems).map(function (el) {
          return new ShuffleItem(el);
        }); // Add classes and set initial positions.

this._initItems(items); // Determine which items will go with the current filter.

this._resetCols();

var allItems = this._mergeNewItems(items);

var sortedItems = sorter(allItems, this.lastSort);

var allSortedItemsSet = this._filter(this.lastFilter, sortedItems);

var isNewItem = function isNewItem(item) {
          return items.includes(item);
        };

var applyHiddenState = function applyHiddenState(item) {
          item.scale = ShuffleItem.Scale.HIDDEN;
          item.isHidden = true;
          item.applyCss(ShuffleItem.Css.HIDDEN.before);
          item.applyCss(ShuffleItem.Css.HIDDEN.after);
        }; // Layout all items again so that new items get positions.
        // Synchonously apply positions.

var itemPositions = this._getNextPositions(allSortedItemsSet.visible);

allSortedItemsSet.visible.forEach(function (item, i) {
          if (isNewItem(item)) {
            item.point = itemPositions[i];
            applyHiddenState(item);
            item.applyCss(_this9.getStylesForTransition(item, {}));
          }
        });
        allSortedItemsSet.hidden.forEach(function (item) {
          if (isNewItem(item)) {
            applyHiddenState(item);
          }
        }); // Cause layout so that the styles above are applied.

this.element.offsetWidth; // eslint-disable-line no-unused-expressions
        // Add transition to each item.

this.setItemTransitions(items); // Update the list of items.

this.items = this._mergeNewItems(items); // Update layout/visibility of new and old items.

this.filter(this.lastFilter);
      }
      /**
       * Disables shuffle from updating dimensions and layout on resize
       */

}, {
      key: "disable",
      value: function disable() {
        this.isEnabled = false;
      }
      /**
       * Enables shuffle again
       * @param {boolean} [isUpdateLayout=true] if undefined, shuffle will update columns and gutters
       */

}, {
      key: "enable",
      value: function enable() {
        var isUpdateLayout = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;
        this.isEnabled = true;

if (isUpdateLayout) {
          this.update();
        }
      }
      /**
       * Remove 1 or more shuffle items.
       * @param {Element[]} elements An array containing one or more
       *     elements in shuffle
       * @return {Shuffle} The shuffle instance.
       */

}, {
      key: "remove",
      value: function remove(elements) {
        var _this10 = this;

if (!elements.length) {
          return;
        }

var collection = arrayUnique(elements);
        var oldItems = collection.map(function (element) {
          return _this10.getItemByElement(element);
        }).filter(function (item) {
          return !!item;
        });

var handleLayout = function handleLayout() {
          _this10._disposeItems(oldItems); // Remove the collection in the callback

collection.forEach(function (element) {
            element.parentNode.removeChild(element);
          });

_this10._dispatch(Shuffle.EventType.REMOVED, {
            collection: collection
          });
        }; // Hide collection first.

this._toggleFilterClasses({
          visible: [],
          hidden: oldItems
        });

this._shrink(oldItems);

this.sort(); // Update the list of items here because `remove` could be called again
        // with an item that is in the process of being removed.

this.items = this.items.filter(function (item) {
          return !oldItems.includes(item);
        });

this._updateItemCount();

this.once(Shuffle.EventType.LAYOUT, handleLayout);
      }
      /**
       * Retrieve a shuffle item by its element.
       * @param {Element} element Element to look for.
       * @return {?ShuffleItem} A shuffle item or undefined if it's not found.
       */

}, {
      key: "getItemByElement",
      value: function getItemByElement(element) {
        return this.items.find(function (item) {
          return item.element === element;
        });
      }
      /**
       * Dump the elements currently stored and reinitialize all child elements which
       * match the `itemSelector`.
       */

}, {
      key: "resetItems",
      value: function resetItems() {
        var _this11 = this;

// Remove refs to current items.
        this._disposeItems(this.items);

this.isInitialized = false; // Find new items in the DOM.

this.items = this._getItems(); // Set initial styles on the new items.

this._initItems(this.items);

this.once(Shuffle.EventType.LAYOUT, function () {
          // Add transition to each item.
          _this11.setItemTransitions(_this11.items);

_this11.isInitialized = true;
        }); // Lay out all items.

this.filter(this.lastFilter);
      }
      /**
       * Destroys shuffle, removes events, styles, and classes
       */

}, {
      key: "destroy",
      value: function destroy() {
        this._cancelMovement();

window.removeEventListener('resize', this._onResize); // Reset container styles

this.element.classList.remove('shuffle');
        this.element.removeAttribute('style'); // Reset individual item styles

this._disposeItems(this.items);

this.items.length = 0;
        this._transitions.length = 0; // Null DOM references

this.options.sizer = null;
        this.element = null; // Set a flag so if a debounced resize has been triggered,
        // it can first check if it is actually isDestroyed and not doing anything

this.isDestroyed = true;
        this.isEnabled = false;
      }
      /**
       * Returns the outer width of an element, optionally including its margins.
       *
       * There are a few different methods for getting the width of an element, none of
       * which work perfectly for all Shuffle's use cases.
       *
       * 1. getBoundingClientRect() `left` and `right` properties.
       *   - Accounts for transform scaled elements, making it useless for Shuffle
       *   elements which have shrunk.
       * 2. The `offsetWidth` property.
       *   - This value stays the same regardless of the elements transform property,
       *   however, it does not return subpixel values.
       * 3. getComputedStyle()
       *   - This works great Chrome, Firefox, Safari, but IE<=11 does not include
       *   padding and border when box-sizing: border-box is set, requiring a feature
       *   test and extra work to add the padding back for IE and other browsers which
       *   follow the W3C spec here.
       *
       * @param {Element} element The element.
       * @param {boolean} [includeMargins=false] Whether to include margins.
       * @return {{width: number, height: number}} The width and height.
       */

}], [{
      key: "getSize",
      value: function getSize(element) {
        var includeMargins = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
        // Store the styles so that they can be used by others without asking for it again.
        var styles = window.getComputedStyle(element, null);
        var width = getNumberStyle(element, 'width', styles);
        var height = getNumberStyle(element, 'height', styles);

if (includeMargins) {
          var marginLeft = getNumberStyle(element, 'marginLeft', styles);
          var marginRight = getNumberStyle(element, 'marginRight', styles);
          var marginTop = getNumberStyle(element, 'marginTop', styles);
          var marginBottom = getNumberStyle(element, 'marginBottom', styles);
          width += marginLeft + marginRight;
          height += marginTop + marginBottom;
        }

return {
          width: width,
          height: height
        };
      }
      /**
       * Change a property or execute a function which will not have a transition
       * @param {Element[]} elements DOM elements that won't be transitioned.
       * @param {function} callback A function which will be called while transition
       *     is set to 0ms.
       * @private
       */

}, {
      key: "_skipTransitions",
      value: function _skipTransitions(elements, callback) {
        var zero = '0ms'; // Save current duration and delay.

var data = elements.map(function (element) {
          var style = element.style;
          var duration = style.transitionDuration;
          var delay = style.transitionDelay; // Set the duration to zero so it happens immediately

style.transitionDuration = zero;
          style.transitionDelay = zero;
          return {
            duration: duration,
            delay: delay
          };
        });
        callback(); // Cause forced synchronous layout.

elements[0].offsetWidth; // eslint-disable-line no-unused-expressions
        // Put the duration back

elements.forEach(function (element, i) {
          element.style.transitionDuration = data[i].duration;
          element.style.transitionDelay = data[i].delay;
        });
      }
    }]);

return Shuffle;
  }(tinyEmitter);

Shuffle.ShuffleItem = ShuffleItem;
  Shuffle.ALL_ITEMS = 'all';
  Shuffle.FILTER_ATTRIBUTE_KEY = 'groups';
  /** @enum {string} */

Shuffle.EventType = {
    LAYOUT: 'shuffle:layout',
    REMOVED: 'shuffle:removed'
  };
  /** @enum {string} */

Shuffle.Classes = Classes;
  /** @enum {string} */

Shuffle.FilterMode = {
    ANY: 'any',
    ALL: 'all'
  }; // Overrideable options

Shuffle.options = {
    // Initial filter group.
    group: Shuffle.ALL_ITEMS,
    // Transition/animation speed (milliseconds).
    speed: 250,
    // CSS easing function to use.
    easing: 'cubic-bezier(0.4, 0.0, 0.2, 1)',
    // e.g. '.picture-item'.
    itemSelector: '*',
    // Element or selector string. Use an element to determine the size of columns
    // and gutters.
    sizer: null,
    // A static number or function that tells the plugin how wide the gutters
    // between columns are (in pixels).
    gutterWidth: 0,
    // A static number or function that returns a number which tells the plugin
    // how wide the columns are (in pixels).
    columnWidth: 0,
    // If your group is not json, and is comma delimeted, you could set delimiter
    // to ','.
    delimiter: null,
    // Useful for percentage based heights when they might not always be exactly
    // the same (in pixels).
    buffer: 0,
    // Reading the width of elements isn't precise enough and can cause columns to
    // jump between values.
    columnThreshold: 0.01,
    // Shuffle can be isInitialized with a sort object. It is the same object
    // given to the sort method.
    initialSort: null,
    // By default, shuffle will throttle resize events. This can be changed or
    // removed.
    throttle: throttleit,
    // How often shuffle can be called on resize (in milliseconds).
    throttleTime: 300,
    // Transition delay offset for each item in milliseconds.
    staggerAmount: 15,
    // Maximum stagger delay in milliseconds.
    staggerAmountMax: 150,
    // Whether to use transforms or absolute positioning.
    useTransforms: true,
    // Affects using an array with filter. e.g. `filter(['one', 'two'])`. With "any",
    // the element passes the test if any of its groups are in the array. With "all",
    // the element only passes if all groups are in the array.
    filterMode: Shuffle.FilterMode.ANY,
    // Attempt to center grid items in each row.
    isCentered: false,
    // Whether to round pixel values used in translate(x, y). This usually avoids
    // blurriness.
    roundTransforms: true
  };
  Shuffle.Point = Point;
  Shuffle.Rect = Rect; // Expose for testing. Hack at your own risk.

Shuffle.__sorter = sorter;
  Shuffle.__getColumnSpan = getColumnSpan;
  Shuffle.__getAvailablePositions = getAvailablePositions;
  Shuffle.__getShortColumn = getShortColumn;
  Shuffle.__getCenteredPositions = getCenteredPositions;

return Shuffle;

}));
//# sourceMappingURL=shuffle.js.map

cmd: