gsap/dist/all.js

GSAP is a framework-agnostic JavaScript animation library that turns developers into animation superheroes. Build high-performance animations that work in **every** major browser. Animate CSS, SVG, canvas, React, Vue, WebGL, colors, strings, motion paths,

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

  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 _inheritsLoose(subClass, superClass) {
    subClass.prototype = Object.create(superClass.prototype);
    subClass.prototype.constructor = subClass;
    subClass.__proto__ = superClass;
  }

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

    return self;
  }

  function _unsupportedIterableToArray(o, minLen) {
    if (!o) return;
    if (typeof o === "string") return _arrayLikeToArray(o, minLen);
    var n = Object.prototype.toString.call(o).slice(8, -1);
    if (n === "Object" && o.constructor) n = o.constructor.name;
    if (n === "Map" || n === "Set") return Array.from(n);
    if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
  }

  function _arrayLikeToArray(arr, len) {
    if (len == null || len > arr.length) len = arr.length;

    for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];

    return arr2;
  }

  function _createForOfIteratorHelperLoose(o) {
    var i = 0;

    if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) {
      if (Array.isArray(o) || (o = _unsupportedIterableToArray(o))) return function () {
        if (i >= o.length) return {
          done: true
        };
        return {
          done: false,
          value: o[i++]
        };
      };
      throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
    }

    i = o[Symbol.iterator]();
    return i.next.bind(i);
  }

  /*!
   * GSAP 3.13.0
   * https://gsap.com
   *
   * @license Copyright 2008-2025, GreenSock. All rights reserved.
   * Subject to the terms at https://gsap.com/standard-license
   * @author: Jack Doyle, jack@greensock.com
  */
  var _config = {
    autoSleep: 120,
    force3D: "auto",
    nullTargetWarn: 1,
    units: {
      lineHeight: ""
    }
  },
      _defaults = {
    duration: .5,
    overwrite: false,
    delay: 0
  },
      _suppressOverwrites,
      _reverting,
      _context,
      _bigNum = 1e8,
      _tinyNum = 1 / _bigNum,
      _2PI = Math.PI * 2,
      _HALF_PI = _2PI / 4,
      _gsID = 0,
      _sqrt = Math.sqrt,
      _cos = Math.cos,
      _sin = Math.sin,
      _isString = function _isString(value) {
    return typeof value === "string";
  },
      _isFunction = function _isFunction(value) {
    return typeof value === "function";
  },
      _isNumber = function _isNumber(value) {
    return typeof value === "number";
  },
      _isUndefined = function _isUndefined(value) {
    return typeof value === "undefined";
  },
      _isObject = function _isObject(value) {
    return typeof value === "object";
  },
      _isNotFalse = function _isNotFalse(value) {
    return value !== false;
  },
      _windowExists = function _windowExists() {
    return typeof window !== "undefined";
  },
      _isFuncOrString = function _isFuncOrString(value) {
    return _isFunction(value) || _isString(value);
  },
      _isTypedArray = typeof ArrayBuffer === "function" && ArrayBuffer.isView || function () {},
      _isArray = Array.isArray,
      _strictNumExp = /(?:-?\.?\d|\.)+/gi,
      _numExp = /[-+=.]*\d+[.e\-+]*\d*[e\-+]*\d*/g,
      _numWithUnitExp = /[-+=.]*\d+[.e-]*\d*[a-z%]*/g,
      _complexStringNumExp = /[-+=.]*\d+\.?\d*(?:e-|e\+)?\d*/gi,
      _relExp = /[+-]=-?[.\d]+/,
      _delimitedValueExp = /[^,'"\[\]\s]+/gi,
      _unitExp = /^[+\-=e\s\d]*\d+[.\d]*([a-z]*|%)\s*$/i,
      _globalTimeline,
      _win,
      _coreInitted,
      _doc,
      _globals = {},
      _installScope = {},
      _coreReady,
      _install = function _install(scope) {
    return (_installScope = _merge(scope, _globals)) && gsap;
  },
      _missingPlugin = function _missingPlugin(property, value) {
    return console.warn("Invalid property", property, "set to", value, "Missing plugin? gsap.registerPlugin()");
  },
      _warn = function _warn(message, suppress) {
    return !suppress && console.warn(message);
  },
      _addGlobal = function _addGlobal(name, obj) {
    return name && (_globals[name] = obj) && _installScope && (_installScope[name] = obj) || _globals;
  },
      _emptyFunc = function _emptyFunc() {
    return 0;
  },
      _startAtRevertConfig = {
    suppressEvents: true,
    isStart: true,
    kill: false
  },
      _revertConfigNoKill = {
    suppressEvents: true,
    kill: false
  },
      _revertConfig = {
    suppressEvents: true
  },
      _reservedProps = {},
      _lazyTweens = [],
      _lazyLookup = {},
      _lastRenderedFrame,
      _plugins = {},
      _effects = {},
      _nextGCFrame = 30,
      _harnessPlugins = [],
      _callbackNames = "",
      _harness = function _harness(targets) {
    var target = targets[0],
        harnessPlugin,
        i;
    _isObject(target) || _isFunction(target) || (targets = [targets]);

    if (!(harnessPlugin = (target._gsap || {}).harness)) {
      i = _harnessPlugins.length;

      while (i-- && !_harnessPlugins[i].targetTest(target)) {}

      harnessPlugin = _harnessPlugins[i];
    }

    i = targets.length;

    while (i--) {
      targets[i] && (targets[i]._gsap || (targets[i]._gsap = new GSCache(targets[i], harnessPlugin))) || targets.splice(i, 1);
    }

    return targets;
  },
      _getCache = function _getCache(target) {
    return target._gsap || _harness(toArray(target))[0]._gsap;
  },
      _getProperty = function _getProperty(target, property, v) {
    return (v = target[property]) && _isFunction(v) ? target[property]() : _isUndefined(v) && target.getAttribute && target.getAttribute(property) || v;
  },
      _forEachName = function _forEachName(names, func) {
    return (names = names.split(",")).forEach(func) || names;
  },
      _round = function _round(value) {
    return Math.round(value * 100000) / 100000 || 0;
  },
      _roundPrecise = function _roundPrecise(value) {
    return Math.round(value * 10000000) / 10000000 || 0;
  },
      _parseRelative = function _parseRelative(start, value) {
    var operator = value.charAt(0),
        end = parseFloat(value.substr(2));
    start = parseFloat(start);
    return operator === "+" ? start + end : operator === "-" ? start - end : operator === "*" ? start * end : start / end;
  },
      _arrayContainsAny = function _arrayContainsAny(toSearch, toFind) {
    var l = toFind.length,
        i = 0;

    for (; toSearch.indexOf(toFind[i]) < 0 && ++i < l;) {}

    return i < l;
  },
      _lazyRender = function _lazyRender() {
    var l = _lazyTweens.length,
        a = _lazyTweens.slice(0),
        i,
        tween;

    _lazyLookup = {};
    _lazyTweens.length = 0;

    for (i = 0; i < l; i++) {
      tween = a[i];
      tween && tween._lazy && (tween.render(tween._lazy[0], tween._lazy[1], true)._lazy = 0);
    }
  },
      _isRevertWorthy = function _isRevertWorthy(animation) {
    return !!(animation._initted || animation._startAt || animation.add);
  },
      _lazySafeRender = function _lazySafeRender(animation, time, suppressEvents, force) {
    _lazyTweens.length && !_reverting && _lazyRender();
    animation.render(time, suppressEvents, force || !!(_reverting && time < 0 && _isRevertWorthy(animation)));
    _lazyTweens.length && !_reverting && _lazyRender();
  },
      _numericIfPossible = function _numericIfPossible(value) {
    var n = parseFloat(value);
    return (n || n === 0) && (value + "").match(_delimitedValueExp).length < 2 ? n : _isString(value) ? value.trim() : value;
  },
      _passThrough = function _passThrough(p) {
    return p;
  },
      _setDefaults = function _setDefaults(obj, defaults) {
    for (var p in defaults) {
      p in obj || (obj[p] = defaults[p]);
    }

    return obj;
  },
      _setKeyframeDefaults = function _setKeyframeDefaults(excludeDuration) {
    return function (obj, defaults) {
      for (var p in defaults) {
        p in obj || p === "duration" && excludeDuration || p === "ease" || (obj[p] = defaults[p]);
      }
    };
  },
      _merge = function _merge(base, toMerge) {
    for (var p in toMerge) {
      base[p] = toMerge[p];
    }

    return base;
  },
      _mergeDeep = function _mergeDeep(base, toMerge) {
    for (var p in toMerge) {
      p !== "__proto__" && p !== "constructor" && p !== "prototype" && (base[p] = _isObject(toMerge[p]) ? _mergeDeep(base[p] || (base[p] = {}), toMerge[p]) : toMerge[p]);
    }

    return base;
  },
      _copyExcluding = function _copyExcluding(obj, excluding) {
    var copy = {},
        p;

    for (p in obj) {
      p in excluding || (copy[p] = obj[p]);
    }

    return copy;
  },
      _inheritDefaults = function _inheritDefaults(vars) {
    var parent = vars.parent || _globalTimeline,
        func = vars.keyframes ? _setKeyframeDefaults(_isArray(vars.keyframes)) : _setDefaults;

    if (_isNotFalse(vars.inherit)) {
      while (parent) {
        func(vars, parent.vars.defaults);
        parent = parent.parent || parent._dp;
      }
    }

    return vars;
  },
      _arraysMatch = function _arraysMatch(a1, a2) {
    var i = a1.length,
        match = i === a2.length;

    while (match && i-- && a1[i] === a2[i]) {}

    return i < 0;
  },
      _addLinkedListItem = function _addLinkedListItem(parent, child, firstProp, lastProp, sortBy) {
    if (firstProp === void 0) {
      firstProp = "_first";
    }

    if (lastProp === void 0) {
      lastProp = "_last";
    }

    var prev = parent[lastProp],
        t;

    if (sortBy) {
      t = child[sortBy];

      while (prev && prev[sortBy] > t) {
        prev = prev._prev;
      }
    }

    if (prev) {
      child._next = prev._next;
      prev._next = child;
    } else {
      child._next = parent[firstProp];
      parent[firstProp] = child;
    }

    if (child._next) {
      child._next._prev = child;
    } else {
      parent[lastProp] = child;
    }

    child._prev = prev;
    child.parent = child._dp = parent;
    return child;
  },
      _removeLinkedListItem = function _removeLinkedListItem(parent, child, firstProp, lastProp) {
    if (firstProp === void 0) {
      firstProp = "_first";
    }

    if (lastProp === void 0) {
      lastProp = "_last";
    }

    var prev = child._prev,
        next = child._next;

    if (prev) {
      prev._next = next;
    } else if (parent[firstProp] === child) {
      parent[firstProp] = next;
    }

    if (next) {
      next._prev = prev;
    } else if (parent[lastProp] === child) {
      parent[lastProp] = prev;
    }

    child._next = child._prev = child.parent = null;
  },
      _removeFromParent = function _removeFromParent(child, onlyIfParentHasAutoRemove) {
    child.parent && (!onlyIfParentHasAutoRemove || child.parent.autoRemoveChildren) && child.parent.remove && child.parent.remove(child);
    child._act = 0;
  },
      _uncache = function _uncache(animation, child) {
    if (animation && (!child || child._end > animation._dur || child._start < 0)) {
      var a = animation;

      while (a) {
        a._dirty = 1;
        a = a.parent;
      }
    }

    return animation;
  },
      _recacheAncestors = function _recacheAncestors(animation) {
    var parent = animation.parent;

    while (parent && parent.parent) {
      parent._dirty = 1;
      parent.totalDuration();
      parent = parent.parent;
    }

    return animation;
  },
      _rewindStartAt = function _rewindStartAt(tween, totalTime, suppressEvents, force) {
    return tween._startAt && (_reverting ? tween._startAt.revert(_revertConfigNoKill) : tween.vars.immediateRender && !tween.vars.autoRevert || tween._startAt.render(totalTime, true, force));
  },
      _hasNoPausedAncestors = function _hasNoPausedAncestors(animation) {
    return !animation || animation._ts && _hasNoPausedAncestors(animation.parent);
  },
      _elapsedCycleDuration = function _elapsedCycleDuration(animation) {
    return animation._repeat ? _animationCycle(animation._tTime, animation = animation.duration() + animation._rDelay) * animation : 0;
  },
      _animationCycle = function _animationCycle(tTime, cycleDuration) {
    var whole = Math.floor(tTime = _roundPrecise(tTime / cycleDuration));
    return tTime && whole === tTime ? whole - 1 : whole;
  },
      _parentToChildTotalTime = function _parentToChildTotalTime(parentTime, child) {
    return (parentTime - child._start) * child._ts + (child._ts >= 0 ? 0 : child._dirty ? child.totalDuration() : child._tDur);
  },
      _setEnd = function _setEnd(animation) {
    return animation._end = _roundPrecise(animation._start + (animation._tDur / Math.abs(animation._ts || animation._rts || _tinyNum) || 0));
  },
      _alignPlayhead = function _alignPlayhead(animation, totalTime) {
    var parent = animation._dp;

    if (parent && parent.smoothChildTiming && animation._ts) {
      animation._start = _roundPrecise(parent._time - (animation._ts > 0 ? totalTime / animation._ts : ((animation._dirty ? animation.totalDuration() : animation._tDur) - totalTime) / -animation._ts));

      _setEnd(animation);

      parent._dirty || _uncache(parent, animation);
    }

    return animation;
  },
      _postAddChecks = function _postAddChecks(timeline, child) {
    var t;

    if (child._time || !child._dur && child._initted || child._start < timeline._time && (child._dur || !child.add)) {
      t = _parentToChildTotalTime(timeline.rawTime(), child);

      if (!child._dur || _clamp(0, child.totalDuration(), t) - child._tTime > _tinyNum) {
        child.render(t, true);
      }
    }

    if (_uncache(timeline, child)._dp && timeline._initted && timeline._time >= timeline._dur && timeline._ts) {
      if (timeline._dur < timeline.duration()) {
        t = timeline;

        while (t._dp) {
          t.rawTime() >= 0 && t.totalTime(t._tTime);
          t = t._dp;
        }
      }

      timeline._zTime = -_tinyNum;
    }
  },
      _addToTimeline = function _addToTimeline(timeline, child, position, skipChecks) {
    child.parent && _removeFromParent(child);
    child._start = _roundPrecise((_isNumber(position) ? position : position || timeline !== _globalTimeline ? _parsePosition(timeline, position, child) : timeline._time) + child._delay);
    child._end = _roundPrecise(child._start + (child.totalDuration() / Math.abs(child.timeScale()) || 0));

    _addLinkedListItem(timeline, child, "_first", "_last", timeline._sort ? "_start" : 0);

    _isFromOrFromStart(child) || (timeline._recent = child);
    skipChecks || _postAddChecks(timeline, child);
    timeline._ts < 0 && _alignPlayhead(timeline, timeline._tTime);
    return timeline;
  },
      _scrollTrigger = function _scrollTrigger(animation, trigger) {
    return (_globals.ScrollTrigger || _missingPlugin("scrollTrigger", trigger)) && _globals.ScrollTrigger.create(trigger, animation);
  },
      _attemptInitTween = function _attemptInitTween(tween, time, force, suppressEvents, tTime) {
    _initTween(tween, time, tTime);

    if (!tween._initted) {
      return 1;
    }

    if (!force && tween._pt && !_reverting && (tween._dur && tween.vars.lazy !== false || !tween._dur && tween.vars.lazy) && _lastRenderedFrame !== _ticker.frame) {
      _lazyTweens.push(tween);

      tween._lazy = [tTime, suppressEvents];
      return 1;
    }
  },
      _parentPlayheadIsBeforeStart = function _parentPlayheadIsBeforeStart(_ref) {
    var parent = _ref.parent;
    return parent && parent._ts && parent._initted && !parent._lock && (parent.rawTime() < 0 || _parentPlayheadIsBeforeStart(parent));
  },
      _isFromOrFromStart = function _isFromOrFromStart(_ref2) {
    var data = _ref2.data;
    return data === "isFromStart" || data === "isStart";
  },
      _renderZeroDurationTween = function _renderZeroDurationTween(tween, totalTime, suppressEvents, force) {
    var prevRatio = tween.ratio,
        ratio = totalTime < 0 || !totalTime && (!tween._start && _parentPlayheadIsBeforeStart(tween) && !(!tween._initted && _isFromOrFromStart(tween)) || (tween._ts < 0 || tween._dp._ts < 0) && !_isFromOrFromStart(tween)) ? 0 : 1,
        repeatDelay = tween._rDelay,
        tTime = 0,
        pt,
        iteration,
        prevIteration;

    if (repeatDelay && tween._repeat) {
      tTime = _clamp(0, tween._tDur, totalTime);
      iteration = _animationCycle(tTime, repeatDelay);
      tween._yoyo && iteration & 1 && (ratio = 1 - ratio);

      if (iteration !== _animationCycle(tween._tTime, repeatDelay)) {
        prevRatio = 1 - ratio;
        tween.vars.repeatRefresh && tween._initted && tween.invalidate();
      }
    }

    if (ratio !== prevRatio || _reverting || force || tween._zTime === _tinyNum || !totalTime && tween._zTime) {
      if (!tween._initted && _attemptInitTween(tween, totalTime, force, suppressEvents, tTime)) {
        return;
      }

      prevIteration = tween._zTime;
      tween._zTime = totalTime || (suppressEvents ? _tinyNum : 0);
      suppressEvents || (suppressEvents = totalTime && !prevIteration);
      tween.ratio = ratio;
      tween._from && (ratio = 1 - ratio);
      tween._time = 0;
      tween._tTime = tTime;
      pt = tween._pt;

      while (pt) {
        pt.r(ratio, pt.d);
        pt = pt._next;
      }

      totalTime < 0 && _rewindStartAt(tween, totalTime, suppressEvents, true);
      tween._onUpdate && !suppressEvents && _callback(tween, "onUpdate");
      tTime && tween._repeat && !suppressEvents && tween.parent && _callback(tween, "onRepeat");

      if ((totalTime >= tween._tDur || totalTime < 0) && tween.ratio === ratio) {
        ratio && _removeFromParent(tween, 1);

        if (!suppressEvents && !_reverting) {
          _callback(tween, ratio ? "onComplete" : "onReverseComplete", true);

          tween._prom && tween._prom();
        }
      }
    } else if (!tween._zTime) {
      tween._zTime = totalTime;
    }
  },
      _findNextPauseTween = function _findNextPauseTween(animation, prevTime, time) {
    var child;

    if (time > prevTime) {
      child = animation._first;

      while (child && child._start <= time) {
        if (child.data === "isPause" && child._start > prevTime) {
          return child;
        }

        child = child._next;
      }
    } else {
      child = animation._last;

      while (child && child._start >= time) {
        if (child.data === "isPause" && child._start < prevTime) {
          return child;
        }

        child = child._prev;
      }
    }
  },
      _setDuration = function _setDuration(animation, duration, skipUncache, leavePlayhead) {
    var repeat = animation._repeat,
        dur = _roundPrecise(duration) || 0,
        totalProgress = animation._tTime / animation._tDur;
    totalProgress && !leavePlayhead && (animation._time *= dur / animation._dur);
    animation._dur = dur;
    animation._tDur = !repeat ? dur : repeat < 0 ? 1e10 : _roundPrecise(dur * (repeat + 1) + animation._rDelay * repeat);
    totalProgress > 0 && !leavePlayhead && _alignPlayhead(animation, animation._tTime = animation._tDur * totalProgress);
    animation.parent && _setEnd(animation);
    skipUncache || _uncache(animation.parent, animation);
    return animation;
  },
      _onUpdateTotalDuration = function _onUpdateTotalDuration(animation) {
    return animation instanceof Timeline ? _uncache(animation) : _setDuration(animation, animation._dur);
  },
      _zeroPosition = {
    _start: 0,
    endTime: _emptyFunc,
    totalDuration: _emptyFunc
  },
      _parsePosition = function _parsePosition(animation, position, percentAnimation) {
    var labels = animation.labels,
        recent = animation._recent || _zeroPosition,
        clippedDuration = animation.duration() >= _bigNum ? recent.endTime(false) : animation._dur,
        i,
        offset,
        isPercent;

    if (_isString(position) && (isNaN(position) || position in labels)) {
      offset = position.charAt(0);
      isPercent = position.substr(-1) === "%";
      i = position.indexOf("=");

      if (offset === "<" || offset === ">") {
        i >= 0 && (position = position.replace(/=/, ""));
        return (offset === "<" ? recent._start : recent.endTime(recent._repeat >= 0)) + (parseFloat(position.substr(1)) || 0) * (isPercent ? (i < 0 ? recent : percentAnimation).totalDuration() / 100 : 1);
      }

      if (i < 0) {
        position in labels || (labels[position] = clippedDuration);
        return labels[position];
      }

      offset = parseFloat(position.charAt(i - 1) + position.substr(i + 1));

      if (isPercent && percentAnimation) {
        offset = offset / 100 * (_isArray(percentAnimation) ? percentAnimation[0] : percentAnimation).totalDuration();
      }

      return i > 1 ? _parsePosition(animation, position.substr(0, i - 1), percentAnimation) + offset : clippedDuration + offset;
    }

    return position == null ? clippedDuration : +position;
  },
      _createTweenType = function _createTweenType(type, params, timeline) {
    var isLegacy = _isNumber(params[1]),
        varsIndex = (isLegacy ? 2 : 1) + (type < 2 ? 0 : 1),
        vars = params[varsIndex],
        irVars,
        parent;

    isLegacy && (vars.duration = params[1]);
    vars.parent = timeline;

    if (type) {
      irVars = vars;
      parent = timeline;

      while (parent && !("immediateRender" in irVars)) {
        irVars = parent.vars.defaults || {};
        parent = _isNotFalse(parent.vars.inherit) && parent.parent;
      }

      vars.immediateRender = _isNotFalse(irVars.immediateRender);
      type < 2 ? vars.runBackwards = 1 : vars.startAt = params[varsIndex - 1];
    }

    return new Tween(params[0], vars, params[varsIndex + 1]);
  },
      _conditionalReturn = function _conditionalReturn(value, func) {
    return value || value === 0 ? func(value) : func;
  },
      _clamp = function _clamp(min, max, value) {
    return value < min ? min : value > max ? max : value;
  },
      getUnit = function getUnit(value, v) {
    return !_isString(value) || !(v = _unitExp.exec(value)) ? "" : v[1];
  },
      clamp = function clamp(min, max, value) {
    return _conditionalReturn(value, function (v) {
      return _clamp(min, max, v);
    });
  },
      _slice = [].slice,
      _isArrayLike = function _isArrayLike(value, nonEmpty) {
    return value && _isObject(value) && "length" in value && (!nonEmpty && !value.length || value.length - 1 in value && _isObject(value[0])) && !value.nodeType && value !== _win;
  },
      _flatten = function _flatten(ar, leaveStrings, accumulator) {
    if (accumulator === void 0) {
      accumulator = [];
    }

    return ar.forEach(function (value) {
      var _accumulator;

      return _isString(value) && !leaveStrings || _isArrayLike(value, 1) ? (_accumulator = accumulator).push.apply(_accumulator, toArray(value)) : accumulator.push(value);
    }) || accumulator;
  },
      toArray = function toArray(value, scope, leaveStrings) {
    return _context && !scope && _context.selector ? _context.selector(value) : _isString(value) && !leaveStrings && (_coreInitted || !_wake()) ? _slice.call((scope || _doc).querySelectorAll(value), 0) : _isArray(value) ? _flatten(value, leaveStrings) : _isArrayLike(value) ? _slice.call(value, 0) : value ? [value] : [];
  },
      selector = function selector(value) {
    value = toArray(value)[0] || _warn("Invalid scope") || {};
    return function (v) {
      var el = value.current || value.nativeElement || value;
      return toArray(v, el.querySelectorAll ? el : el === value ? _warn("Invalid scope") || _doc.createElement("div") : value);
    };
  },
      shuffle = function shuffle(a) {
    return a.sort(function () {
      return .5 - Math.random();
    });
  },
      distribute = function distribute(v) {
    if (_isFunction(v)) {
      return v;
    }

    var vars = _isObject(v) ? v : {
      each: v
    },
        ease = _parseEase(vars.ease),
        from = vars.from || 0,
        base = parseFloat(vars.base) || 0,
        cache = {},
        isDecimal = from > 0 && from < 1,
        ratios = isNaN(from) || isDecimal,
        axis = vars.axis,
        ratioX = from,
        ratioY = from;

    if (_isString(from)) {
      ratioX = ratioY = {
        center: .5,
        edges: .5,
        end: 1
      }[from] || 0;
    } else if (!isDecimal && ratios) {
      ratioX = from[0];
      ratioY = from[1];
    }

    return function (i, target, a) {
      var l = (a || vars).length,
          distances = cache[l],
          originX,
          originY,
          x,
          y,
          d,
          j,
          max,
          min,
          wrapAt;

      if (!distances) {
        wrapAt = vars.grid === "auto" ? 0 : (vars.grid || [1, _bigNum])[1];

        if (!wrapAt) {
          max = -_bigNum;

          while (max < (max = a[wrapAt++].getBoundingClientRect().left) && wrapAt < l) {}

          wrapAt < l && wrapAt--;
        }

        distances = cache[l] = [];
        originX = ratios ? Math.min(wrapAt, l) * ratioX - .5 : from % wrapAt;
        originY = wrapAt === _bigNum ? 0 : ratios ? l * ratioY / wrapAt - .5 : from / wrapAt | 0;
        max = 0;
        min = _bigNum;

        for (j = 0; j < l; j++) {
          x = j % wrapAt - originX;
          y = originY - (j / wrapAt | 0);
          distances[j] = d = !axis ? _sqrt(x * x + y * y) : Math.abs(axis === "y" ? y : x);
          d > max && (max = d);
          d < min && (min = d);
        }

        from === "random" && shuffle(distances);
        distances.max = max - min;
        distances.min = min;
        distances.v = l = (parseFloat(vars.amount) || parseFloat(vars.each) * (wrapAt > l ? l - 1 : !axis ? Math.max(wrapAt, l / wrapAt) : axis === "y" ? l / wrapAt : wrapAt) || 0) * (from === "edges" ? -1 : 1);
        distances.b = l < 0 ? base - l : base;
        distances.u = getUnit(vars.amount || vars.each) || 0;
        ease = ease && l < 0 ? _invertEase(ease) : ease;
      }

      l = (distances[i] - distances.min) / distances.max || 0;
      return _roundPrecise(distances.b + (ease ? ease(l) : l) * distances.v) + distances.u;
    };
  },
      _roundModifier = function _roundModifier(v) {
    var p = Math.pow(10, ((v + "").split(".")[1] || "").length);
    return function (raw) {
      var n = _roundPrecise(Math.round(parseFloat(raw) / v) * v * p);

      return (n - n % 1) / p + (_isNumber(raw) ? 0 : getUnit(raw));
    };
  },
      snap = function snap(snapTo, value) {
    var isArray = _isArray(snapTo),
        radius,
        is2D;

    if (!isArray && _isObject(snapTo)) {
      radius = isArray = snapTo.radius || _bigNum;

      if (snapTo.values) {
        snapTo = toArray(snapTo.values);

        if (is2D = !_isNumber(snapTo[0])) {
          radius *= radius;
        }
      } else {
        snapTo = _roundModifier(snapTo.increment);
      }
    }

    return _conditionalReturn(value, !isArray ? _roundModifier(snapTo) : _isFunction(snapTo) ? function (raw) {
      is2D = snapTo(raw);
      return Math.abs(is2D - raw) <= radius ? is2D : raw;
    } : function (raw) {
      var x = parseFloat(is2D ? raw.x : raw),
          y = parseFloat(is2D ? raw.y : 0),
          min = _bigNum,
          closest = 0,
          i = snapTo.length,
          dx,
          dy;

      while (i--) {
        if (is2D) {
          dx = snapTo[i].x - x;
          dy = snapTo[i].y - y;
          dx = dx * dx + dy * dy;
        } else {
          dx = Math.abs(snapTo[i] - x);
        }

        if (dx < min) {
          min = dx;
          closest = i;
        }
      }

      closest = !radius || min <= radius ? snapTo[closest] : raw;
      return is2D || closest === raw || _isNumber(raw) ? closest : closest + getUnit(raw);
    });
  },
      random = function random(min, max, roundingIncrement, returnFunction) {
    return _conditionalReturn(_isArray(min) ? !max : roundingIncrement === true ? !!(roundingIncrement = 0) : !returnFunction, function () {
      return _isArray(min) ? min[~~(Math.random() * min.length)] : (roundingIncrement = roundingIncrement || 1e-5) && (returnFunction = roundingIncrement < 1 ? Math.pow(10, (roundingIncrement + "").length - 2) : 1) && Math.floor(Math.round((min - roundingIncrement / 2 + Math.random() * (max - min + roundingIncrement * .99)) / roundingIncrement) * roundingIncrement * returnFunction) / returnFunction;
    });
  },
      pipe = function pipe() {
    for (var _len = arguments.length, functions = new Array(_len), _key = 0; _key < _len; _key++) {
      functions[_key] = arguments[_key];
    }

    return function (value) {
      return functions.reduce(function (v, f) {
        return f(v);
      }, value);
    };
  },
      unitize = function unitize(func, unit) {
    return function (value) {
      return func(parseFloat(value)) + (unit || getUnit(value));
    };
  },
      normalize = function normalize(min, max, value) {
    return mapRange(min, max, 0, 1, value);
  },
      _wrapArray = function _wrapArray(a, wrapper, value) {
    return _conditionalReturn(value, function (index) {
      return a[~~wrapper(index)];
    });
  },
      wrap = function wrap(min, max, value) {
    var range = max - min;
    return _isArray(min) ? _wrapArray(min, wrap(0, min.length), max) : _conditionalReturn(value, function (value) {
      return (range + (value - min) % range) % range + min;
    });
  },
      wrapYoyo = function wrapYoyo(min, max, value) {
    var range = max - min,
        total = range * 2;
    return _isArray(min) ? _wrapArray(min, wrapYoyo(0, min.length - 1), max) : _conditionalReturn(value, function (value) {
      value = (total + (value - min) % total) % total || 0;
      return min + (value > range ? total - value : value);
    });
  },
      _replaceRandom = function _replaceRandom(value) {
    var prev = 0,
        s = "",
        i,
        nums,
        end,
        isArray;

    while (~(i = value.indexOf("random(", prev))) {
      end = value.indexOf(")", i);
      isArray = value.charAt(i + 7) === "[";
      nums = value.substr(i + 7, end - i - 7).match(isArray ? _delimitedValueExp : _strictNumExp);
      s += value.substr(prev, i - prev) + random(isArray ? nums : +nums[0], isArray ? 0 : +nums[1], +nums[2] || 1e-5);
      prev = end + 1;
    }

    return s + value.substr(prev, value.length - prev);
  },
      mapRange = function mapRange(inMin, inMax, outMin, outMax, value) {
    var inRange = inMax - inMin,
        outRange = outMax - outMin;
    return _conditionalReturn(value, function (value) {
      return outMin + ((value - inMin) / inRange * outRange || 0);
    });
  },
      interpolate = function interpolate(start, end, progress, mutate) {
    var func = isNaN(start + end) ? 0 : function (p) {
      return (1 - p) * start + p * end;
    };

    if (!func) {
      var isString = _isString(start),
          master = {},
          p,
          i,
          interpolators,
          l,
          il;

      progress === true && (mutate = 1) && (progress = null);

      if (isString) {
        start = {
          p: start
        };
        end = {
          p: end
        };
      } else if (_isArray(start) && !_isArray(end)) {
        interpolators = [];
        l = start.length;
        il = l - 2;

        for (i = 1; i < l; i++) {
          interpolators.push(interpolate(start[i - 1], start[i]));
        }

        l--;

        func = function func(p) {
          p *= l;
          var i = Math.min(il, ~~p);
          return interpolators[i](p - i);
        };

        progress = end;
      } else if (!mutate) {
        start = _merge(_isArray(start) ? [] : {}, start);
      }

      if (!interpolators) {
        for (p in end) {
          _addPropTween.call(master, start, p, "get", end[p]);
        }

        func = function func(p) {
          return _renderPropTweens(p, master) || (isString ? start.p : start);
        };
      }
    }

    return _conditionalReturn(progress, func);
  },
      _getLabelInDirection = function _getLabelInDirection(timeline, fromTime, backward) {
    var labels = timeline.labels,
        min = _bigNum,
        p,
        distance,
        label;

    for (p in labels) {
      distance = labels[p] - fromTime;

      if (distance < 0 === !!backward && distance && min > (distance = Math.abs(distance))) {
        label = p;
        min = distance;
      }
    }

    return label;
  },
      _callback = function _callback(animation, type, executeLazyFirst) {
    var v = animation.vars,
        callback = v[type],
        prevContext = _context,
        context = animation._ctx,
        params,
        scope,
        result;

    if (!callback) {
      return;
    }

    params = v[type + "Params"];
    scope = v.callbackScope || animation;
    executeLazyFirst && _lazyTweens.length && _lazyRender();
    context && (_context = context);
    result = params ? callback.apply(scope, params) : callback.call(scope);
    _context = prevContext;
    return result;
  },
      _interrupt = function _interrupt(animation) {
    _removeFromParent(animation);

    animation.scrollTrigger && animation.scrollTrigger.kill(!!_reverting);
    animation.progress() < 1 && _callback(animation, "onInterrupt");
    return animation;
  },
      _quickTween,
      _registerPluginQueue = [],
      _createPlugin = function _createPlugin(config) {
    if (!config) return;
    config = !config.name && config["default"] || config;

    if (_windowExists() || config.headless) {
      var name = config.name,
          isFunc = _isFunction(config),
          Plugin = name && !isFunc && config.init ? function () {
        this._props = [];
      } : config,
          instanceDefaults = {
        init: _emptyFunc,
        render: _renderPropTweens,
        add: _addPropTween,
        kill: _killPropTweensOf,
        modifier: _addPluginModifier,
        rawVars: 0
      },
          statics = {
        targetTest: 0,
        get: 0,
        getSetter: _getSetter,
        aliases: {},
        register: 0
      };

      _wake();

      if (config !== Plugin) {
        if (_plugins[name]) {
          return;
        }

        _setDefaults(Plugin, _setDefaults(_copyExcluding(config, instanceDefaults), statics));

        _merge(Plugin.prototype, _merge(instanceDefaults, _copyExcluding(config, statics)));

        _plugins[Plugin.prop = name] = Plugin;

        if (config.targetTest) {
          _harnessPlugins.push(Plugin);

          _reservedProps[name] = 1;
        }

        name = (name === "css" ? "CSS" : name.charAt(0).toUpperCase() + name.substr(1)) + "Plugin";
      }

      _addGlobal(name, Plugin);

      config.register && config.register(gsap, Plugin, PropTween);
    } else {
      _registerPluginQueue.push(config);
    }
  },
      _255 = 255,
      _colorLookup = {
    aqua: [0, _255, _255],
    lime: [0, _255, 0],
    silver: [192, 192, 192],
    black: [0, 0, 0],
    maroon: [128, 0, 0],
    teal: [0, 128, 128],
    blue: [0, 0, _255],
    navy: [0, 0, 128],
    white: [_255, _255, _255],
    olive: [128, 128, 0],
    yellow: [_255, _255, 0],
    orange: [_255, 165, 0],
    gray: [128, 128, 128],
    purple: [128, 0, 128],
    green: [0, 128, 0],
    red: [_255, 0, 0],
    pink: [_255, 192, 203],
    cyan: [0, _255, _255],
    transparent: [_255, _255, _255, 0]
  },
      _hue = function _hue(h, m1, m2) {
    h += h < 0 ? 1 : h > 1 ? -1 : 0;
    return (h * 6 < 1 ? m1 + (m2 - m1) * h * 6 : h < .5 ? m2 : h * 3 < 2 ? m1 + (m2 - m1) * (2 / 3 - h) * 6 : m1) * _255 + .5 | 0;
  },
      splitColor = function splitColor(v, toHSL, forceAlpha) {
    var a = !v ? _colorLookup.black : _isNumber(v) ? [v >> 16, v >> 8 & _255, v & _255] : 0,
        r,
        g,
        b,
        h,
        s,
        l,
        max,
        min,
        d,
        wasHSL;

    if (!a) {
      if (v.substr(-1) === ",") {
        v = v.substr(0, v.length - 1);
      }

      if (_colorLookup[v]) {
        a = _colorLookup[v];
      } else if (v.charAt(0) === "#") {
        if (v.length < 6) {
          r = v.charAt(1);
          g = v.charAt(2);
          b = v.charAt(3);
          v = "#" + r + r + g + g + b + b + (v.length === 5 ? v.charAt(4) + v.charAt(4) : "");
        }

        if (v.length === 9) {
          a = parseInt(v.substr(1, 6), 16);
          return [a >> 16, a >> 8 & _255, a & _255, parseInt(v.substr(7), 16) / 255];
        }

        v = parseInt(v.substr(1), 16);
        a = [v >> 16, v >> 8 & _255, v & _255];
      } else if (v.substr(0, 3) === "hsl") {
        a = wasHSL = v.match(_strictNumExp);

        if (!toHSL) {
          h = +a[0] % 360 / 360;
          s = +a[1] / 100;
          l = +a[2] / 100;
          g = l <= .5 ? l * (s + 1) : l + s - l * s;
          r = l * 2 - g;
          a.length > 3 && (a[3] *= 1);
          a[0] = _hue(h + 1 / 3, r, g);
          a[1] = _hue(h, r, g);
          a[2] = _hue(h - 1 / 3, r, g);
        } else if (~v.indexOf("=")) {
          a = v.match(_numExp);
          forceAlpha && a.length < 4 && (a[3] = 1);
          return a;
        }
      } else {
        a = v.match(_strictNumExp) || _colorLookup.transparent;
      }

      a = a.map(Number);
    }

    if (toHSL && !wasHSL) {
      r = a[0] / _255;
      g = a[1] / _255;
      b = a[2] / _255;
      max = Math.max(r, g, b);
      min = Math.min(r, g, b);
      l = (max + min) / 2;

      if (max === min) {
        h = s = 0;
      } else {
        d = max - min;
        s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
        h = max === r ? (g - b) / d + (g < b ? 6 : 0) : max === g ? (b - r) / d + 2 : (r - g) / d + 4;
        h *= 60;
      }

      a[0] = ~~(h + .5);
      a[1] = ~~(s * 100 + .5);
      a[2] = ~~(l * 100 + .5);
    }

    forceAlpha && a.length < 4 && (a[3] = 1);
    return a;
  },
      _colorOrderData = function _colorOrderData(v) {
    var values = [],
        c = [],
        i = -1;
    v.split(_colorExp).forEach(function (v) {
      var a = v.match(_numWithUnitExp) || [];
      values.push.apply(values, a);
      c.push(i += a.length + 1);
    });
    values.c = c;
    return values;
  },
      _formatColors = function _formatColors(s, toHSL, orderMatchData) {
    var result = "",
        colors = (s + result).match(_colorExp),
        type = toHSL ? "hsla(" : "rgba(",
        i = 0,
        c,
        shell,
        d,
        l;

    if (!colors) {
      return s;
    }

    colors = colors.map(function (color) {
      return (color = splitColor(color, toHSL, 1)) && type + (toHSL ? color[0] + "," + color[1] + "%," + color[2] + "%," + color[3] : color.join(",")) + ")";
    });

    if (orderMatchData) {
      d = _colorOrderData(s);
      c = orderMatchData.c;

      if (c.join(result) !== d.c.join(result)) {
        shell = s.replace(_colorExp, "1").split(_numWithUnitExp);
        l = shell.length - 1;

        for (; i < l; i++) {
          result += shell[i] + (~c.indexOf(i) ? colors.shift() || type + "0,0,0,0)" : (d.length ? d : colors.length ? colors : orderMatchData).shift());
        }
      }
    }

    if (!shell) {
      shell = s.split(_colorExp);
      l = shell.length - 1;

      for (; i < l; i++) {
        result += shell[i] + colors[i];
      }
    }

    return result + shell[l];
  },
      _colorExp = function () {
    var s = "(?:\\b(?:(?:rgb|rgba|hsl|hsla)\\(.+?\\))|\\B#(?:[0-9a-f]{3,4}){1,2}\\b",
        p;

    for (p in _colorLookup) {
      s += "|" + p + "\\b";
    }

    return new RegExp(s + ")", "gi");
  }(),
      _hslExp = /hsl[a]?\(/,
      _colorStringFilter = function _colorStringFilter(a) {
    var combined = a.join(" "),
        toHSL;
    _colorExp.lastIndex = 0;

    if (_colorExp.test(combined)) {
      toHSL = _hslExp.test(combined);
      a[1] = _formatColors(a[1], toHSL);
      a[0] = _formatColors(a[0], toHSL, _colorOrderData(a[1]));
      return true;
    }
  },
      _tickerActive,
      _ticker = function () {
    var _getTime = Date.now,
        _lagThreshold = 500,
        _adjustedLag = 33,
        _startTime = _getTime(),
        _lastUpdate = _startTime,
        _gap = 1000 / 240,
        _nextTime = _gap,
        _listeners = [],
        _id,
        _req,
        _raf,
        _self,
        _delta,
        _i,
        _tick = function _tick(v) {
      var elapsed = _getTime() - _lastUpdate,
          manual = v === true,
          overlap,
          dispatch,
          time,
          frame;

      (elapsed > _lagThreshold || elapsed < 0) && (_startTime += elapsed - _adjustedLag);
      _lastUpdate += elapsed;
      time = _lastUpdate - _startTime;
      overlap = time - _nextTime;

      if (overlap > 0 || manual) {
        frame = ++_self.frame;
        _delta = time - _self.time * 1000;
        _self.time = time = time / 1000;
        _nextTime += overlap + (overlap >= _gap ? 4 : _gap - overlap);
        dispatch = 1;
      }

      manual || (_id = _req(_tick));

      if (dispatch) {
        for (_i = 0; _i < _listeners.length; _i++) {
          _listeners[_i](time, _delta, frame, v);
        }
      }
    };

    _self = {
      time: 0,
      frame: 0,
      tick: function tick() {
        _tick(true);
      },
      deltaRatio: function deltaRatio(fps) {
        return _delta / (1000 / (fps || 60));
      },
      wake: function wake() {
        if (_coreReady) {
          if (!_coreInitted && _windowExists()) {
            _win = _coreInitted = window;
            _doc = _win.document || {};
            _globals.gsap = gsap;
            (_win.gsapVersions || (_win.gsapVersions = [])).push(gsap.version);

            _install(_installScope || _win.GreenSockGlobals || !_win.gsap && _win || {});

            _registerPluginQueue.forEach(_createPlugin);
          }

          _raf = typeof requestAnimationFrame !== "undefined" && requestAnimationFrame;
          _id && _self.sleep();

          _req = _raf || function (f) {
            return setTimeout(f, _nextTime - _self.time * 1000 + 1 | 0);
          };

          _tickerActive = 1;

          _tick(2);
        }
      },
      sleep: function sleep() {
        (_raf ? cancelAnimationFrame : clearTimeout)(_id);
        _tickerActive = 0;
        _req = _emptyFunc;
      },
      lagSmoothing: function lagSmoothing(threshold, adjustedLag) {
        _lagThreshold = threshold || Infinity;
        _adjustedLag = Math.min(adjustedLag || 33, _lagThreshold);
      },
      fps: function fps(_fps) {
        _gap = 1000 / (_fps || 240);
        _nextTime = _self.time * 1000 + _gap;
      },
      add: function add(callback, once, prioritize) {
        var func = once ? function (t, d, f, v) {
          callback(t, d, f, v);

          _self.remove(func);
        } : callback;

        _self.remove(callback);

        _listeners[prioritize ? "unshift" : "push"](func);

        _wake();

        return func;
      },
      remove: function remove(callback, i) {
        ~(i = _listeners.indexOf(callback)) && _listeners.splice(i, 1) && _i >= i && _i--;
      },
      _listeners: _listeners
    };
    return _self;
  }(),
      _wake = function _wake() {
    return !_tickerActive && _ticker.wake();
  },
      _easeMap = {},
      _customEaseExp = /^[\d.\-M][\d.\-,\s]/,
      _quotesExp = /["']/g,
      _parseObjectInString = function _parseObjectInString(value) {
    var obj = {},
        split = value.substr(1, value.length - 3).split(":"),
        key = split[0],
        i = 1,
        l = split.length,
        index,
        val,
        parsedVal;

    for (; i < l; i++) {
      val = split[i];
      index = i !== l - 1 ? val.lastIndexOf(",") : val.length;
      parsedVal = val.substr(0, index);
      obj[key] = isNaN(parsedVal) ? parsedVal.replace(_quotesExp, "").trim() : +parsedVal;
      key = val.substr(index + 1).trim();
    }

    return obj;
  },
      _valueInParentheses = function _valueInParentheses(value) {
    var open = value.indexOf("(") + 1,
        close = value.indexOf(")"),
        nested = value.indexOf("(", open);
    return value.substring(open, ~nested && nested < close ? value.indexOf(")", close + 1) : close);
  },
      _configEaseFromString = function _configEaseFromString(name) {
    var split = (name + "").split("("),
        ease = _easeMap[split[0]];
    return ease && split.length > 1 && ease.config ? ease.config.apply(null, ~name.indexOf("{") ? [_parseObjectInString(split[1])] : _valueInParentheses(name).split(",").map(_numericIfPossible)) : _easeMap._CE && _customEaseExp.test(name) ? _easeMap._CE("", name) : ease;
  },
      _invertEase = function _invertEase(ease) {
    return function (p) {
      return 1 - ease(1 - p);
    };
  },
      _propagateYoyoEase = function _propagateYoyoEase(timeline, isYoyo) {
    var child = timeline._first,
        ease;

    while (child) {
      if (child instanceof Timeline) {
        _propagateYoyoEase(child, isYoyo);
      } else if (child.vars.yoyoEase && (!child._yoyo || !child._repeat) && child._yoyo !== isYoyo) {
        if (child.timeline) {
          _propagateYoyoEase(child.timeline, isYoyo);
        } else {
          ease = child._ease;
          child._ease = child._yEase;
          child._yEase = ease;
          child._yoyo = isYoyo;
        }
      }

      child = child._next;
    }
  },
      _parseEase = function _parseEase(ease, defaultEase) {
    return !ease ? defaultEase : (_isFunction(ease) ? ease : _easeMap[ease] || _configEaseFromString(ease)) || defaultEase;
  },
      _insertEase = function _insertEase(names, easeIn, easeOut, easeInOut) {
    if (easeOut === void 0) {
      easeOut = function easeOut(p) {
        return 1 - easeIn(1 - p);
      };
    }

    if (easeInOut === void 0) {
      easeInOut = function easeInOut(p) {
        return p < .5 ? easeIn(p * 2) / 2 : 1 - easeIn((1 - p) * 2) / 2;
      };
    }

    var ease = {
      easeIn: easeIn,
      easeOut: easeOut,
      easeInOut: easeInOut
    },
        lowercaseName;

    _forEachName(names, function (name) {
      _easeMap[name] = _globals[name] = ease;
      _easeMap[lowercaseName = name.toLowerCase()] = easeOut;

      for (var p in ease) {
        _easeMap[lowercaseName + (p === "easeIn" ? ".in" : p === "easeOut" ? ".out" : ".inOut")] = _easeMap[name + "." + p] = ease[p];
      }
    });

    return ease;
  },
      _easeInOutFromOut = function _easeInOutFromOut(easeOut) {
    return function (p) {
      return p < .5 ? (1 - easeOut(1 - p * 2)) / 2 : .5 + easeOut((p - .5) * 2) / 2;
    };
  },
      _configElastic = function _configElastic(type, amplitude, period) {
    var p1 = amplitude >= 1 ? amplitude : 1,
        p2 = (period || (type ? .3 : .45)) / (amplitude < 1 ? amplitude : 1),
        p3 = p2 / _2PI * (Math.asin(1 / p1) || 0),
        easeOut = function easeOut(p) {
      return p === 1 ? 1 : p1 * Math.pow(2, -10 * p) * _sin((p - p3) * p2) + 1;
    },
        ease = type === "out" ? easeOut : type === "in" ? function (p) {
      return 1 - easeOut(1 - p);
    } : _easeInOutFromOut(easeOut);

    p2 = _2PI / p2;

    ease.config = function (amplitude, period) {
      return _configElastic(type, amplitude, period);
    };

    return ease;
  },
      _configBack = function _configBack(type, overshoot) {
    if (overshoot === void 0) {
      overshoot = 1.70158;
    }

    var easeOut = function easeOut(p) {
      return p ? --p * p * ((overshoot + 1) * p + overshoot) + 1 : 0;
    },
        ease = type === "out" ? easeOut : type === "in" ? function (p) {
      return 1 - easeOut(1 - p);
    } : _easeInOutFromOut(easeOut);

    ease.config = function (overshoot) {
      return _configBack(type, overshoot);
    };

    return ease;
  };

  _forEachName("Linear,Quad,Cubic,Quart,Quint,Strong", function (name, i) {
    var power = i < 5 ? i + 1 : i;

    _insertEase(name + ",Power" + (power - 1), i ? function (p) {
      return Math.pow(p, power);
    } : function (p) {
      return p;
    }, function (p) {
      return 1 - Math.pow(1 - p, power);
    }, function (p) {
      return p < .5 ? Math.pow(p * 2, power) / 2 : 1 - Math.pow((1 - p) * 2, power) / 2;
    });
  });

  _easeMap.Linear.easeNone = _easeMap.none = _easeMap.Linear.easeIn;

  _insertEase("Elastic", _configElastic("in"), _configElastic("out"), _configElastic());

  (function (n, c) {
    var n1 = 1 / c,
        n2 = 2 * n1,
        n3 = 2.5 * n1,
        easeOut = function easeOut(p) {
      return p < n1 ? n * p * p : p < n2 ? n * Math.pow(p - 1.5 / c, 2) + .75 : p < n3 ? n * (p -= 2.25 / c) * p + .9375 : n * Math.pow(p - 2.625 / c, 2) + .984375;
    };

    _insertEase("Bounce", function (p) {
      return 1 - easeOut(1 - p);
    }, easeOut);
  })(7.5625, 2.75);

  _insertEase("Expo", function (p) {
    return Math.pow(2, 10 * (p - 1)) * p + p * p * p * p * p * p * (1 - p);
  });

  _insertEase("Circ", function (p) {
    return -(_sqrt(1 - p * p) - 1);
  });

  _insertEase("Sine", function (p) {
    return p === 1 ? 1 : -_cos(p * _HALF_PI) + 1;
  });

  _insertEase("Back", _configBack("in"), _configBack("out"), _configBack());

  _easeMap.SteppedEase = _easeMap.steps = _globals.SteppedEase = {
    config: function config(steps, immediateStart) {
      if (steps === void 0) {
        steps = 1;
      }

      var p1 = 1 / steps,
          p2 = steps +