unboundedpress/node_modules/call-matcher/dist/call-matcher.js

/**
 * Modules in this bundle
 * @license
 *
 * call-matcher:
 *   license: MIT (http://opensource.org/licenses/MIT)
 *   author: Takuto Wada <takuto.wada@gmail.com>
 *   homepage: https://github.com/twada/call-matcher
 *   version: 1.1.0
 *
 * core-js:
 *   license: MIT (http://opensource.org/licenses/MIT)
 *   homepage: https://github.com/zloirock/core-js#readme
 *   version: 2.5.7
 *
 * deep-equal:
 *   license: MIT (http://opensource.org/licenses/MIT)
 *   author: James Halliday <mail@substack.net>
 *   homepage: https://github.com/substack/node-deep-equal#readme
 *   version: 1.0.1
 *
 * espurify:
 *   license: MIT (http://opensource.org/licenses/MIT)
 *   author: Takuto Wada <takuto.wada@gmail.com>
 *   homepage: https://github.com/estools/espurify
 *   version: 1.8.1
 *
 * estraverse:
 *   license: BSD-2-Clause (http://opensource.org/licenses/BSD-2-Clause)
 *   maintainers: Yusuke Suzuki <utatane.tea@gmail.com>
 *   homepage: https://github.com/estools/estraverse
 *   version: 4.2.0
 *
 * This header is generated by licensify (https://github.com/twada/licensify)
 */
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.CallMatcher = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw (a.code="MODULE_NOT_FOUND", a)}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(_dereq_,module,exports){
/**
 * call-matcher:
 *   ECMAScript CallExpression matcher made from function/method signature
 * 
 * https://github.com/twada/call-matcher
 *
 * Copyright (c) 2015-2018 Takuto Wada
 * Licensed under the MIT license.
 *   https://github.com/twada/call-matcher/blob/master/MIT-LICENSE.txt
 */
'use strict';
/* jshint -W024 */

var estraverse = _dereq_('estraverse');
var espurify = _dereq_('espurify');
var syntax = estraverse.Syntax;
var hasOwn = Object.prototype.hasOwnProperty;
var forEach = _dereq_('core-js/library/fn/array/for-each');
var map = _dereq_('core-js/library/fn/array/map');
var filter = _dereq_('core-js/library/fn/array/filter');
var reduce = _dereq_('core-js/library/fn/array/reduce');
var indexOf = _dereq_('core-js/library/fn/array/index-of');
var deepEqual = _dereq_('deep-equal');
var notCallExprMessage = 'Argument should be in the form of CallExpression';
var duplicatedArgMessage = 'Duplicate argument name: ';
var invalidFormMessage = 'Argument should be in the form of `name` or `[name]`';

function CallMatcher (signatureAst, options) {
    validateApiExpression(signatureAst);
    options = options || {};
    this.visitorKeys = options.visitorKeys || estraverse.VisitorKeys;
    if (options.astWhiteList) {
        this.purifyAst = espurify.cloneWithWhitelist(options.astWhiteList);
    } else {
        this.purifyAst = espurify;
    }
    this.signatureAst = signatureAst;
    this.signatureCalleeDepth = astDepth(signatureAst.callee, this.visitorKeys);
    this.numMaxArgs = this.signatureAst.arguments.length;
    this.numMinArgs = filter(this.signatureAst.arguments, identifiers).length;
}

CallMatcher.prototype.test = function (currentNode) {
    var calleeMatched = this.isCalleeMatched(currentNode);
    var numArgs;
    if (calleeMatched) {
        numArgs = currentNode.arguments.length;
        return this.numMinArgs <= numArgs && numArgs <= this.numMaxArgs;
    }
    return false;
};

CallMatcher.prototype.matchArgument = function (currentNode, parentNode) {
    if (isCalleeOfParent(currentNode, parentNode)) {
        return null;
    }
    if (this.test(parentNode)) {
        var indexOfCurrentArg = indexOf(parentNode.arguments, currentNode);
        var numOptional = parentNode.arguments.length - this.numMinArgs;
        var matchedSignatures = reduce(this.argumentSignatures(), function (accum, argSig) {
            if (argSig.kind === 'mandatory') {
                accum.push(argSig);
            }
            if (argSig.kind === 'optional' && 0 < numOptional) {
                numOptional -= 1;
                accum.push(argSig);
            }
            return accum;
        }, []);
        return matchedSignatures[indexOfCurrentArg];
    }
    return null;
};

CallMatcher.prototype.calleeAst = function () {
    return this.purifyAst(this.signatureAst.callee);
};

CallMatcher.prototype.argumentSignatures = function () {
    return map(this.signatureAst.arguments, toArgumentSignature);
};

CallMatcher.prototype.isCalleeMatched = function (node) {
    if (!isCallExpression(node)) {
        return false;
    }
    if (!this.isSameDepthAsSignatureCallee(node.callee)) {
        return false;
    }
    return deepEqual(this.purifyAst(this.signatureAst.callee), this.purifyAst(node.callee));
};

CallMatcher.prototype.isSameDepthAsSignatureCallee = function (ast) {
    var depth = this.signatureCalleeDepth;
    var currentDepth = 0;
    estraverse.traverse(ast, {
        keys: this.visitorKeys,
        enter: function (currentNode, parentNode) {
            var path = this.path();
            var pathDepth = path ? path.length : 0;
            if (currentDepth < pathDepth) {
                currentDepth = pathDepth;
            }
            if (depth < currentDepth) {
                this['break']();
            }
        }
    });
    return (depth === currentDepth);
};

function toArgumentSignature (argSignatureNode, idx) {
    switch(argSignatureNode.type) {
    case syntax.Identifier:
        return {
            index: idx,
            name: argSignatureNode.name,
            kind: 'mandatory'
        };
    case syntax.ArrayExpression:
        return {
            index: idx,
            name: argSignatureNode.elements[0].name,
            kind: 'optional'
        };
    default:
        return null;
    }
}

function astDepth (ast, visitorKeys) {
    var maxDepth = 0;
    estraverse.traverse(ast, {
        keys: visitorKeys,
        enter: function (currentNode, parentNode) {
            var path = this.path();
            var pathDepth = path ? path.length : 0;
            if (maxDepth < pathDepth) {
                maxDepth = pathDepth;
            }
        }
    });
    return maxDepth;
}

function isCallExpression (node) {
    return node && node.type === syntax.CallExpression;
}

function isCalleeOfParent(currentNode, parentNode) {
    return parentNode && currentNode &&
        parentNode.type === syntax.CallExpression &&
        parentNode.callee === currentNode;
}

function identifiers (node) {
    return node.type === syntax.Identifier;
}

function validateApiExpression (callExpression) {
    if (!callExpression || !callExpression.type) {
        throw new Error(notCallExprMessage);
    }
    if (callExpression.type !== syntax.CallExpression) {
        throw new Error(notCallExprMessage);
    }
    var names = {};
    forEach(callExpression.arguments, function (arg) {
        var name = validateArg(arg);
        if (hasOwn.call(names, name)) {
            throw new Error(duplicatedArgMessage + name);
        } else {
            names[name] = name;
        }
    });
}

function validateArg (arg) {
    var inner;
    switch(arg.type) {
    case syntax.Identifier:
        return arg.name;
    case syntax.ArrayExpression:
        if (arg.elements.length !== 1) {
            throw new Error(invalidFormMessage);
        }
        inner = arg.elements[0];
        if (inner.type !== syntax.Identifier) {
            throw new Error(invalidFormMessage);
        }
        return inner.name;
    default:
        throw new Error(invalidFormMessage);
    }
}

module.exports = CallMatcher;

},{"core-js/library/fn/array/filter":2,"core-js/library/fn/array/for-each":3,"core-js/library/fn/array/index-of":4,"core-js/library/fn/array/map":6,"core-js/library/fn/array/reduce":7,"deep-equal":98,"espurify":101,"estraverse":105}],2:[function(_dereq_,module,exports){
_dereq_('../../modules/es6.array.filter');
module.exports = _dereq_('../../modules/_core').Array.filter;

},{"../../modules/_core":26,"../../modules/es6.array.filter":82}],3:[function(_dereq_,module,exports){
_dereq_('../../modules/es6.array.for-each');
module.exports = _dereq_('../../modules/_core').Array.forEach;

},{"../../modules/_core":26,"../../modules/es6.array.for-each":83}],4:[function(_dereq_,module,exports){
_dereq_('../../modules/es6.array.index-of');
module.exports = _dereq_('../../modules/_core').Array.indexOf;

},{"../../modules/_core":26,"../../modules/es6.array.index-of":84}],5:[function(_dereq_,module,exports){
_dereq_('../../modules/es6.array.is-array');
module.exports = _dereq_('../../modules/_core').Array.isArray;

},{"../../modules/_core":26,"../../modules/es6.array.is-array":85}],6:[function(_dereq_,module,exports){
_dereq_('../../modules/es6.array.map');
module.exports = _dereq_('../../modules/_core').Array.map;

},{"../../modules/_core":26,"../../modules/es6.array.map":87}],7:[function(_dereq_,module,exports){
_dereq_('../../modules/es6.array.reduce');
module.exports = _dereq_('../../modules/_core').Array.reduce;

},{"../../modules/_core":26,"../../modules/es6.array.reduce":88}],8:[function(_dereq_,module,exports){
_dereq_('../modules/es6.object.to-string');
_dereq_('../modules/es6.string.iterator');
_dereq_('../modules/web.dom.iterable');
_dereq_('../modules/es6.map');
_dereq_('../modules/es7.map.to-json');
_dereq_('../modules/es7.map.of');
_dereq_('../modules/es7.map.from');
module.exports = _dereq_('../modules/_core').Map;

},{"../modules/_core":26,"../modules/es6.map":89,"../modules/es6.object.to-string":92,"../modules/es6.string.iterator":93,"../modules/es7.map.from":94,"../modules/es7.map.of":95,"../modules/es7.map.to-json":96,"../modules/web.dom.iterable":97}],9:[function(_dereq_,module,exports){
_dereq_('../../modules/es6.object.assign');
module.exports = _dereq_('../../modules/_core').Object.assign;

},{"../../modules/_core":26,"../../modules/es6.object.assign":90}],10:[function(_dereq_,module,exports){
_dereq_('../../modules/es6.object.keys');
module.exports = _dereq_('../../modules/_core').Object.keys;

},{"../../modules/_core":26,"../../modules/es6.object.keys":91}],11:[function(_dereq_,module,exports){
module.exports = function (it) {
  if (typeof it != 'function') throw TypeError(it + ' is not a function!');
  return it;
};

},{}],12:[function(_dereq_,module,exports){
module.exports = function () { /* empty */ };

},{}],13:[function(_dereq_,module,exports){
module.exports = function (it, Constructor, name, forbiddenField) {
  if (!(it instanceof Constructor) || (forbiddenField !== undefined && forbiddenField in it)) {
    throw TypeError(name + ': incorrect invocation!');
  } return it;
};

},{}],14:[function(_dereq_,module,exports){
var isObject = _dereq_('./_is-object');
module.exports = function (it) {
  if (!isObject(it)) throw TypeError(it + ' is not an object!');
  return it;
};

},{"./_is-object":43}],15:[function(_dereq_,module,exports){
var forOf = _dereq_('./_for-of');

module.exports = function (iter, ITERATOR) {
  var result = [];
  forOf(iter, false, result.push, result, ITERATOR);
  return result;
};

},{"./_for-of":34}],16:[function(_dereq_,module,exports){
// false -> Array#indexOf
// true  -> Array#includes
var toIObject = _dereq_('./_to-iobject');
var toLength = _dereq_('./_to-length');
var toAbsoluteIndex = _dereq_('./_to-absolute-index');
module.exports = function (IS_INCLUDES) {
  return function ($this, el, fromIndex) {
    var O = toIObject($this);
    var length = toLength(O.length);
    var index = toAbsoluteIndex(fromIndex, length);
    var value;
    // Array#includes uses SameValueZero equality algorithm
    // eslint-disable-next-line no-self-compare
    if (IS_INCLUDES && el != el) while (length > index) {
      value = O[index++];
      // eslint-disable-next-line no-self-compare
      if (value != value) return true;
    // Array#indexOf ignores holes, Array#includes - not
    } else for (;length > index; index++) if (IS_INCLUDES || index in O) {
      if (O[index] === el) return IS_INCLUDES || index || 0;
    } return !IS_INCLUDES && -1;
  };
};

},{"./_to-absolute-index":72,"./_to-iobject":74,"./_to-length":75}],17:[function(_dereq_,module,exports){
// 0 -> Array#forEach
// 1 -> Array#map
// 2 -> Array#filter
// 3 -> Array#some
// 4 -> Array#every
// 5 -> Array#find
// 6 -> Array#findIndex
var ctx = _dereq_('./_ctx');
var IObject = _dereq_('./_iobject');
var toObject = _dereq_('./_to-object');
var toLength = _dereq_('./_to-length');
var asc = _dereq_('./_array-species-create');
module.exports = function (TYPE, $create) {
  var IS_MAP = TYPE == 1;
  var IS_FILTER = TYPE == 2;
  var IS_SOME = TYPE == 3;
  var IS_EVERY = TYPE == 4;
  var IS_FIND_INDEX = TYPE == 6;
  var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;
  var create = $create || asc;
  return function ($this, callbackfn, that) {
    var O = toObject($this);
    var self = IObject(O);
    var f = ctx(callbackfn, that, 3);
    var length = toLength(self.length);
    var index = 0;
    var result = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined;
    var val, res;
    for (;length > index; index++) if (NO_HOLES || index in self) {
      val = self[index];
      res = f(val, index, O);
      if (TYPE) {
        if (IS_MAP) result[index] = res;   // map
        else if (res) switch (TYPE) {
          case 3: return true;             // some
          case 5: return val;              // find
          case 6: return index;            // findIndex
          case 2: result.push(val);        // filter
        } else if (IS_EVERY) return false; // every
      }
    }
    return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : result;
  };
};

},{"./_array-species-create":20,"./_ctx":27,"./_iobject":40,"./_to-length":75,"./_to-object":76}],18:[function(_dereq_,module,exports){
var aFunction = _dereq_('./_a-function');
var toObject = _dereq_('./_to-object');
var IObject = _dereq_('./_iobject');
var toLength = _dereq_('./_to-length');

module.exports = function (that, callbackfn, aLen, memo, isRight) {
  aFunction(callbackfn);
  var O = toObject(that);
  var self = IObject(O);
  var length = toLength(O.length);
  var index = isRight ? length - 1 : 0;
  var i = isRight ? -1 : 1;
  if (aLen < 2) for (;;) {
    if (index in self) {
      memo = self[index];
      index += i;
      break;
    }
    index += i;
    if (isRight ? index < 0 : length <= index) {
      throw TypeError('Reduce of empty array with no initial value');
    }
  }
  for (;isRight ? index >= 0 : length > index; index += i) if (index in self) {
    memo = callbackfn(memo, self[index], index, O);
  }
  return memo;
};

},{"./_a-function":11,"./_iobject":40,"./_to-length":75,"./_to-object":76}],19:[function(_dereq_,module,exports){
var isObject = _dereq_('./_is-object');
var isArray = _dereq_('./_is-array');
var SPECIES = _dereq_('./_wks')('species');

module.exports = function (original) {
  var C;
  if (isArray(original)) {
    C = original.constructor;
    // cross-realm fallback
    if (typeof C == 'function' && (C === Array || isArray(C.prototype))) C = undefined;
    if (isObject(C)) {
      C = C[SPECIES];
      if (C === null) C = undefined;
    }
  } return C === undefined ? Array : C;
};

},{"./_is-array":42,"./_is-object":43,"./_wks":80}],20:[function(_dereq_,module,exports){
// 9.4.2.3 ArraySpeciesCreate(originalArray, length)
var speciesConstructor = _dereq_('./_array-species-constructor');

module.exports = function (original, length) {
  return new (speciesConstructor(original))(length);
};

},{"./_array-species-constructor":19}],21:[function(_dereq_,module,exports){
// getting tag from 19.1.3.6 Object.prototype.toString()
var cof = _dereq_('./_cof');
var TAG = _dereq_('./_wks')('toStringTag');
// ES3 wrong here
var ARG = cof(function () { return arguments; }()) == 'Arguments';

// fallback for IE11 Script Access Denied error
var tryGet = function (it, key) {
  try {
    return it[key];
  } catch (e) { /* empty */ }
};

module.exports = function (it) {
  var O, T, B;
  return it === undefined ? 'Undefined' : it === null ? 'Null'
    // @@toStringTag case
    : typeof (T = tryGet(O = Object(it), TAG)) == 'string' ? T
    // builtinTag case
    : ARG ? cof(O)
    // ES3 arguments fallback
    : (B = cof(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : B;
};

},{"./_cof":22,"./_wks":80}],22:[function(_dereq_,module,exports){
var toString = {}.toString;

module.exports = function (it) {
  return toString.call(it).slice(8, -1);
};

},{}],23:[function(_dereq_,module,exports){
'use strict';
var dP = _dereq_('./_object-dp').f;
var create = _dereq_('./_object-create');
var redefineAll = _dereq_('./_redefine-all');
var ctx = _dereq_('./_ctx');
var anInstance = _dereq_('./_an-instance');
var forOf = _dereq_('./_for-of');
var $iterDefine = _dereq_('./_iter-define');
var step = _dereq_('./_iter-step');
var setSpecies = _dereq_('./_set-species');
var DESCRIPTORS = _dereq_('./_descriptors');
var fastKey = _dereq_('./_meta').fastKey;
var validate = _dereq_('./_validate-collection');
var SIZE = DESCRIPTORS ? '_s' : 'size';

var getEntry = function (that, key) {
  // fast case
  var index = fastKey(key);
  var entry;
  if (index !== 'F') return that._i[index];
  // frozen object case
  for (entry = that._f; entry; entry = entry.n) {
    if (entry.k == key) return entry;
  }
};

module.exports = {
  getConstructor: function (wrapper, NAME, IS_MAP, ADDER) {
    var C = wrapper(function (that, iterable) {
      anInstance(that, C, NAME, '_i');
      that._t = NAME;         // collection type
      that._i = create(null); // index
      that._f = undefined;    // first entry
      that._l = undefined;    // last entry
      that[SIZE] = 0;         // size
      if (iterable != undefined) forOf(iterable, IS_MAP, that[ADDER], that);
    });
    redefineAll(C.prototype, {
      // 23.1.3.1 Map.prototype.clear()
      // 23.2.3.2 Set.prototype.clear()
      clear: function clear() {
        for (var that = validate(this, NAME), data = that._i, entry = that._f; entry; entry = entry.n) {
          entry.r = true;
          if (entry.p) entry.p = entry.p.n = undefined;
          delete data[entry.i];
        }
        that._f = that._l = undefined;
        that[SIZE] = 0;
      },
      // 23.1.3.3 Map.prototype.delete(key)
      // 23.2.3.4 Set.prototype.delete(value)
      'delete': function (key) {
        var that = validate(this, NAME);
        var entry = getEntry(that, key);
        if (entry) {
          var next = entry.n;
          var prev = entry.p;
          delete that._i[entry.i];
          entry.r = true;
          if (prev) prev.n = next;
          if (next) next.p = prev;
          if (that._f == entry) that._f = next;
          if (that._l == entry) that._l = prev;
          that[SIZE]--;
        } return !!entry;
      },
      // 23.2.3.6 Set.prototype.forEach(callbackfn, thisArg = undefined)
      // 23.1.3.5 Map.prototype.forEach(callbackfn, thisArg = undefined)
      forEach: function forEach(callbackfn /* , that = undefined */) {
        validate(this, NAME);
        var f = ctx(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
        var entry;
        while (entry = entry ? entry.n : this._f) {
          f(entry.v, entry.k, this);
          // revert to the last existing entry
          while (entry && entry.r) entry = entry.p;
        }
      },
      // 23.1.3.7 Map.prototype.has(key)
      // 23.2.3.7 Set.prototype.has(value)
      has: function has(key) {
        return !!getEntry(validate(this, NAME), key);
      }
    });
    if (DESCRIPTORS) dP(C.prototype, 'size', {
      get: function () {
        return validate(this, NAME)[SIZE];
      }
    });
    return C;
  },
  def: function (that, key, value) {
    var entry = getEntry(that, key);
    var prev, index;
    // change existing entry
    if (entry) {
      entry.v = value;
    // create new entry
    } else {
      that._l = entry = {
        i: index = fastKey(key, true), // <- index
        k: key,                        // <- key
        v: value,                      // <- value
        p: prev = that._l,             // <- previous entry
        n: undefined,                  // <- next entry
        r: false                       // <- removed
      };
      if (!that._f) that._f = entry;
      if (prev) prev.n = entry;
      that[SIZE]++;
      // add to index
      if (index !== 'F') that._i[index] = entry;
    } return that;
  },
  getEntry: getEntry,
  setStrong: function (C, NAME, IS_MAP) {
    // add .keys, .values, .entries, [@@iterator]
    // 23.1.3.4, 23.1.3.8, 23.1.3.11, 23.1.3.12, 23.2.3.5, 23.2.3.8, 23.2.3.10, 23.2.3.11
    $iterDefine(C, NAME, function (iterated, kind) {
      this._t = validate(iterated, NAME); // target
      this._k = kind;                     // kind
      this._l = undefined;                // previous
    }, function () {
      var that = this;
      var kind = that._k;
      var entry = that._l;
      // revert to the last existing entry
      while (entry && entry.r) entry = entry.p;
      // get next entry
      if (!that._t || !(that._l = entry = entry ? entry.n : that._t._f)) {
        // or finish the iteration
        that._t = undefined;
        return step(1);
      }
      // return step by kind
      if (kind == 'keys') return step(0, entry.k);
      if (kind == 'values') return step(0, entry.v);
      return step(0, [entry.k, entry.v]);
    }, IS_MAP ? 'entries' : 'values', !IS_MAP, true);

    // add [@@species], 23.1.2.2, 23.2.2.2
    setSpecies(NAME);
  }
};

},{"./_an-instance":13,"./_ctx":27,"./_descriptors":29,"./_for-of":34,"./_iter-define":46,"./_iter-step":47,"./_meta":50,"./_object-create":52,"./_object-dp":53,"./_redefine-all":62,"./_set-species":66,"./_validate-collection":79}],24:[function(_dereq_,module,exports){
// https://github.com/DavidBruant/Map-Set.prototype.toJSON
var classof = _dereq_('./_classof');
var from = _dereq_('./_array-from-iterable');
module.exports = function (NAME) {
  return function toJSON() {
    if (classof(this) != NAME) throw TypeError(NAME + "#toJSON isn't generic");
    return from(this);
  };
};

},{"./_array-from-iterable":15,"./_classof":21}],25:[function(_dereq_,module,exports){
'use strict';
var global = _dereq_('./_global');
var $export = _dereq_('./_export');
var meta = _dereq_('./_meta');
var fails = _dereq_('./_fails');
var hide = _dereq_('./_hide');
var redefineAll = _dereq_('./_redefine-all');
var forOf = _dereq_('./_for-of');
var anInstance = _dereq_('./_an-instance');
var isObject = _dereq_('./_is-object');
var setToStringTag = _dereq_('./_set-to-string-tag');
var dP = _dereq_('./_object-dp').f;
var each = _dereq_('./_array-methods')(0);
var DESCRIPTORS = _dereq_('./_descriptors');

module.exports = function (NAME, wrapper, methods, common, IS_MAP, IS_WEAK) {
  var Base = global[NAME];
  var C = Base;
  var ADDER = IS_MAP ? 'set' : 'add';
  var proto = C && C.prototype;
  var O = {};
  if (!DESCRIPTORS || typeof C != 'function' || !(IS_WEAK || proto.forEach && !fails(function () {
    new C().entries().next();
  }))) {
    // create collection constructor
    C = common.getConstructor(wrapper, NAME, IS_MAP, ADDER);
    redefineAll(C.prototype, methods);
    meta.NEED = true;
  } else {
    C = wrapper(function (target, iterable) {
      anInstance(target, C, NAME, '_c');
      target._c = new Base();
      if (iterable != undefined) forOf(iterable, IS_MAP, target[ADDER], target);
    });
    each('add,clear,delete,forEach,get,has,set,keys,values,entries,toJSON'.split(','), function (KEY) {
      var IS_ADDER = KEY == 'add' || KEY == 'set';
      if (KEY in proto && !(IS_WEAK && KEY == 'clear')) hide(C.prototype, KEY, function (a, b) {
        anInstance(this, C, KEY);
        if (!IS_ADDER && IS_WEAK && !isObject(a)) return KEY == 'get' ? undefined : false;
        var result = this._c[KEY](a === 0 ? 0 : a, b);
        return IS_ADDER ? this : result;
      });
    });
    IS_WEAK || dP(C.prototype, 'size', {
      get: function () {
        return this._c.size;
      }
    });
  }

  setToStringTag(C, NAME);

  O[NAME] = C;
  $export($export.G + $export.W + $export.F, O);

  if (!IS_WEAK) common.setStrong(C, NAME, IS_MAP);

  return C;
};

},{"./_an-instance":13,"./_array-methods":17,"./_descriptors":29,"./_export":32,"./_fails":33,"./_for-of":34,"./_global":35,"./_hide":37,"./_is-object":43,"./_meta":50,"./_object-dp":53,"./_redefine-all":62,"./_set-to-string-tag":67}],26:[function(_dereq_,module,exports){
var core = module.exports = { version: '2.5.7' };
if (typeof __e == 'number') __e = core; // eslint-disable-line no-undef

},{}],27:[function(_dereq_,module,exports){
// optional / simple context binding
var aFunction = _dereq_('./_a-function');
module.exports = function (fn, that, length) {
  aFunction(fn);
  if (that === undefined) return fn;
  switch (length) {
    case 1: return function (a) {
      return fn.call(that, a);
    };
    case 2: return function (a, b) {
      return fn.call(that, a, b);
    };
    case 3: return function (a, b, c) {
      return fn.call(that, a, b, c);
    };
  }
  return function (/* ...args */) {
    return fn.apply(that, arguments);
  };
};

},{"./_a-function":11}],28:[function(_dereq_,module,exports){
// 7.2.1 RequireObjectCoercible(argument)
module.exports = function (it) {
  if (it == undefined) throw TypeError("Can't call method on  " + it);
  return it;
};

},{}],29:[function(_dereq_,module,exports){
// Thank's IE8 for his funny defineProperty
module.exports = !_dereq_('./_fails')(function () {
  return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;
});

},{"./_fails":33}],30:[function(_dereq_,module,exports){
var isObject = _dereq_('./_is-object');
var document = _dereq_('./_global').document;
// typeof document.createElement is 'object' in old IE
var is = isObject(document) && isObject(document.createElement);
module.exports = function (it) {
  return is ? document.createElement(it) : {};
};

},{"./_global":35,"./_is-object":43}],31:[function(_dereq_,module,exports){
// IE 8- don't enum bug keys
module.exports = (
  'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'
).split(',');

},{}],32:[function(_dereq_,module,exports){
var global = _dereq_('./_global');
var core = _dereq_('./_core');
var ctx = _dereq_('./_ctx');
var hide = _dereq_('./_hide');
var has = _dereq_('./_has');
var PROTOTYPE = 'prototype';

var $export = function (type, name, source) {
  var IS_FORCED = type & $export.F;
  var IS_GLOBAL = type & $export.G;
  var IS_STATIC = type & $export.S;
  var IS_PROTO = type & $export.P;
  var IS_BIND = type & $export.B;
  var IS_WRAP = type & $export.W;
  var exports = IS_GLOBAL ? core : core[name] || (core[name] = {});
  var expProto = exports[PROTOTYPE];
  var target = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE];
  var key, own, out;
  if (IS_GLOBAL) source = name;
  for (key in source) {
    // contains in native
    own = !IS_FORCED && target && target[key] !== undefined;
    if (own && has(exports, key)) continue;
    // export native or passed
    out = own ? target[key] : source[key];
    // prevent global pollution for namespaces
    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]
    // bind timers to global for call from export context
    : IS_BIND && own ? ctx(out, global)
    // wrap global constructors for prevent change them in library
    : IS_WRAP && target[key] == out ? (function (C) {
      var F = function (a, b, c) {
        if (this instanceof C) {
          switch (arguments.length) {
            case 0: return new C();
            case 1: return new C(a);
            case 2: return new C(a, b);
          } return new C(a, b, c);
        } return C.apply(this, arguments);
      };
      F[PROTOTYPE] = C[PROTOTYPE];
      return F;
    // make static versions for prototype methods
    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;
    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%
    if (IS_PROTO) {
      (exports.virtual || (exports.virtual = {}))[key] = out;
      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%
      if (type & $export.R && expProto && !expProto[key]) hide(expProto, key, out);
    }
  }
};
// type bitmap
$export.F = 1;   // forced
$export.G = 2;   // global
$export.S = 4;   // static
$export.P = 8;   // proto
$export.B = 16;  // bind
$export.W = 32;  // wrap
$export.U = 64;  // safe
$export.R = 128; // real proto method for `library`
module.exports = $export;

},{"./_core":26,"./_ctx":27,"./_global":35,"./_has":36,"./_hide":37}],33:[function(_dereq_,module,exports){
module.exports = function (exec) {
  try {
    return !!exec();
  } catch (e) {
    return true;
  }
};

},{}],34:[function(_dereq_,module,exports){
var ctx = _dereq_('./_ctx');
var call = _dereq_('./_iter-call');
var isArrayIter = _dereq_('./_is-array-iter');
var anObject = _dereq_('./_an-object');
var toLength = _dereq_('./_to-length');
var getIterFn = _dereq_('./core.get-iterator-method');
var BREAK = {};
var RETURN = {};
var exports = module.exports = function (iterable, entries, fn, that, ITERATOR) {
  var iterFn = ITERATOR ? function () { return iterable; } : getIterFn(iterable);
  var f = ctx(fn, that, entries ? 2 : 1);
  var index = 0;
  var length, step, iterator, result;
  if (typeof iterFn != 'function') throw TypeError(iterable + ' is not iterable!');
  // fast case for arrays with default iterator
  if (isArrayIter(iterFn)) for (length = toLength(iterable.length); length > index; index++) {
    result = entries ? f(anObject(step = iterable[index])[0], step[1]) : f(iterable[index]);
    if (result === BREAK || result === RETURN) return result;
  } else for (iterator = iterFn.call(iterable); !(step = iterator.next()).done;) {
    result = call(iterator, f, step.value, entries);
    if (result === BREAK || result === RETURN) return result;
  }
};
exports.BREAK = BREAK;
exports.RETURN = RETURN;

},{"./_an-object":14,"./_ctx":27,"./_is-array-iter":41,"./_iter-call":44,"./_to-length":75,"./core.get-iterator-method":81}],35:[function(_dereq_,module,exports){
// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
var global = module.exports = typeof window != 'undefined' && window.Math == Math
  ? window : typeof self != 'undefined' && self.Math == Math ? self
  // eslint-disable-next-line no-new-func
  : Function('return this')();
if (typeof __g == 'number') __g = global; // eslint-disable-line no-undef

},{}],36:[function(_dereq_,module,exports){
var hasOwnProperty = {}.hasOwnProperty;
module.exports = function (it, key) {
  return hasOwnProperty.call(it, key);
};

},{}],37:[function(_dereq_,module,exports){
var dP = _dereq_('./_object-dp');
var createDesc = _dereq_('./_property-desc');
module.exports = _dereq_('./_descriptors') ? function (object, key, value) {
  return dP.f(object, key, createDesc(1, value));
} : function (object, key, value) {
  object[key] = value;
  return object;
};

},{"./_descriptors":29,"./_object-dp":53,"./_property-desc":61}],38:[function(_dereq_,module,exports){
var document = _dereq_('./_global').document;
module.exports = document && document.documentElement;

},{"./_global":35}],39:[function(_dereq_,module,exports){
module.exports = !_dereq_('./_descriptors') && !_dereq_('./_fails')(function () {
  return Object.defineProperty(_dereq_('./_dom-create')('div'), 'a', { get: function () { return 7; } }).a != 7;
});

},{"./_descriptors":29,"./_dom-create":30,"./_fails":33}],40:[function(_dereq_,module,exports){
// fallback for non-array-like ES3 and non-enumerable old V8 strings
var cof = _dereq_('./_cof');
// eslint-disable-next-line no-prototype-builtins
module.exports = Object('z').propertyIsEnumerable(0) ? Object : function (it) {
  return cof(it) == 'String' ? it.split('') : Object(it);
};

},{"./_cof":22}],41:[function(_dereq_,module,exports){
// check on default Array iterator
var Iterators = _dereq_('./_iterators');
var ITERATOR = _dereq_('./_wks')('iterator');
var ArrayProto = Array.prototype;

module.exports = function (it) {
  return it !== undefined && (Iterators.Array === it || ArrayProto[ITERATOR] === it);
};

},{"./_iterators":48,"./_wks":80}],42:[function(_dereq_,module,exports){
// 7.2.2 IsArray(argument)
var cof = _dereq_('./_cof');
module.exports = Array.isArray || function isArray(arg) {
  return cof(arg) == 'Array';
};

},{"./_cof":22}],43:[function(_dereq_,module,exports){
module.exports = function (it) {
  return typeof it === 'object' ? it !== null : typeof it === 'function';
};

},{}],44:[function(_dereq_,module,exports){
// call something on iterator step with safe closing on error
var anObject = _dereq_('./_an-object');
module.exports = function (iterator, fn, value, entries) {
  try {
    return entries ? fn(anObject(value)[0], value[1]) : fn(value);
  // 7.4.6 IteratorClose(iterator, completion)
  } catch (e) {
    var ret = iterator['return'];
    if (ret !== undefined) anObject(ret.call(iterator));
    throw e;
  }
};

},{"./_an-object":14}],45:[function(_dereq_,module,exports){
'use strict';
var create = _dereq_('./_object-create');
var descriptor = _dereq_('./_property-desc');
var setToStringTag = _dereq_('./_set-to-string-tag');
var IteratorPrototype = {};

// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()
_dereq_('./_hide')(IteratorPrototype, _dereq_('./_wks')('iterator'), function () { return this; });

module.exports = function (Constructor, NAME, next) {
  Constructor.prototype = create(IteratorPrototype, { next: descriptor(1, next) });
  setToStringTag(Constructor, NAME + ' Iterator');
};

},{"./_hide":37,"./_object-create":52,"./_property-desc":61,"./_set-to-string-tag":67,"./_wks":80}],46:[function(_dereq_,module,exports){
'use strict';
var LIBRARY = _dereq_('./_library');
var $export = _dereq_('./_export');
var redefine = _dereq_('./_redefine');
var hide = _dereq_('./_hide');
var Iterators = _dereq_('./_iterators');
var $iterCreate = _dereq_('./_iter-create');
var setToStringTag = _dereq_('./_set-to-string-tag');
var getPrototypeOf = _dereq_('./_object-gpo');
var ITERATOR = _dereq_('./_wks')('iterator');
var BUGGY = !([].keys && 'next' in [].keys()); // Safari has buggy iterators w/o `next`
var FF_ITERATOR = '@@iterator';
var KEYS = 'keys';
var VALUES = 'values';

var returnThis = function () { return this; };

module.exports = function (Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED) {
  $iterCreate(Constructor, NAME, next);
  var getMethod = function (kind) {
    if (!BUGGY && kind in proto) return proto[kind];
    switch (kind) {
      case KEYS: return function keys() { return new Constructor(this, kind); };
      case VALUES: return function values() { return new Constructor(this, kind); };
    } return function entries() { return new Constructor(this, kind); };
  };
  var TAG = NAME + ' Iterator';
  var DEF_VALUES = DEFAULT == VALUES;
  var VALUES_BUG = false;
  var proto = Base.prototype;
  var $native = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT];
  var $default = $native || getMethod(DEFAULT);
  var $entries = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined;
  var $anyNative = NAME == 'Array' ? proto.entries || $native : $native;
  var methods, key, IteratorPrototype;
  // Fix native
  if ($anyNative) {
    IteratorPrototype = getPrototypeOf($anyNative.call(new Base()));
    if (IteratorPrototype !== Object.prototype && IteratorPrototype.next) {
      // Set @@toStringTag to native iterators
      setToStringTag(IteratorPrototype, TAG, true);
      // fix for some old engines
      if (!LIBRARY && typeof IteratorPrototype[ITERATOR] != 'function') hide(IteratorPrototype, ITERATOR, returnThis);
    }
  }
  // fix Array#{values, @@iterator}.name in V8 / FF
  if (DEF_VALUES && $native && $native.name !== VALUES) {
    VALUES_BUG = true;
    $default = function values() { return $native.call(this); };
  }
  // Define iterator
  if ((!LIBRARY || FORCED) && (BUGGY || VALUES_BUG || !proto[ITERATOR])) {
    hide(proto, ITERATOR, $default);
  }
  // Plug for library
  Iterators[NAME] = $default;
  Iterators[TAG] = returnThis;
  if (DEFAULT) {
    methods = {
      values: DEF_VALUES ? $default : getMethod(VALUES),
      keys: IS_SET ? $default : getMethod(KEYS),
      entries: $entries
    };
    if (FORCED) for (key in methods) {
      if (!(key in proto)) redefine(proto, key, methods[key]);
    } else $export($export.P + $export.F * (BUGGY || VALUES_BUG), NAME, methods);
  }
  return methods;
};

},{"./_export":32,"./_hide":37,"./_iter-create":45,"./_iterators":48,"./_library":49,"./_object-gpo":56,"./_redefine":63,"./_set-to-string-tag":67,"./_wks":80}],47:[function(_dereq_,module,exports){
module.exports = function (done, value) {
  return { value: value, done: !!done };
};

},{}],48:[function(_dereq_,module,exports){
module.exports = {};

},{}],49:[function(_dereq_,module,exports){
module.exports = true;

},{}],50:[function(_dereq_,module,exports){
var META = _dereq_('./_uid')('meta');
var isObject = _dereq_('./_is-object');
var has = _dereq_('./_has');
var setDesc = _dereq_('./_object-dp').f;
var id = 0;
var isExtensible = Object.isExtensible || function () {
  return true;
};
var FREEZE = !_dereq_('./_fails')(function () {
  return isExtensible(Object.preventExtensions({}));
});
var setMeta = function (it) {
  setDesc(it, META, { value: {
    i: 'O' + ++id, // object ID
    w: {}          // weak collections IDs
  } });
};
var fastKey = function (it, create) {
  // return primitive with prefix
  if (!isObject(it)) return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;
  if (!has(it, META)) {
    // can't set metadata to uncaught frozen object
    if (!isExtensible(it)) return 'F';
    // not necessary to add metadata
    if (!create) return 'E';
    // add missing metadata
    setMeta(it);
  // return object ID
  } return it[META].i;
};
var getWeak = function (it, create) {
  if (!has(it, META)) {
    // can't set metadata to uncaught frozen object
    if (!isExtensible(it)) return true;
    // not necessary to add metadata
    if (!create) return false;
    // add missing metadata
    setMeta(it);
  // return hash weak collections IDs
  } return it[META].w;
};
// add metadata on freeze-family methods calling
var onFreeze = function (it) {
  if (FREEZE && meta.NEED && isExtensible(it) && !has(it, META)) setMeta(it);
  return it;
};
var meta = module.exports = {
  KEY: META,
  NEED: false,
  fastKey: fastKey,
  getWeak: getWeak,
  onFreeze: onFreeze
};

},{"./_fails":33,"./_has":36,"./_is-object":43,"./_object-dp":53,"./_uid":78}],51:[function(_dereq_,module,exports){
'use strict';
// 19.1.2.1 Object.assign(target, source, ...)
var getKeys = _dereq_('./_object-keys');
var gOPS = _dereq_('./_object-gops');
var pIE = _dereq_('./_object-pie');
var toObject = _dereq_('./_to-object');
var IObject = _dereq_('./_iobject');
var $assign = Object.assign;

// should work with symbols and should have deterministic property order (V8 bug)
module.exports = !$assign || _dereq_('./_fails')(function () {
  var A = {};
  var B = {};
  // eslint-disable-next-line no-undef
  var S = Symbol();
  var K = 'abcdefghijklmnopqrst';
  A[S] = 7;
  K.split('').forEach(function (k) { B[k] = k; });
  return $assign({}, A)[S] != 7 || Object.keys($assign({}, B)).join('') != K;
}) ? function assign(target, source) { // eslint-disable-line no-unused-vars
  var T = toObject(target);
  var aLen = arguments.length;
  var index = 1;
  var getSymbols = gOPS.f;
  var isEnum = pIE.f;
  while (aLen > index) {
    var S = IObject(arguments[index++]);
    var keys = getSymbols ? getKeys(S).concat(getSymbols(S)) : getKeys(S);
    var length = keys.length;
    var j = 0;
    var key;
    while (length > j) if (isEnum.call(S, key = keys[j++])) T[key] = S[key];
  } return T;
} : $assign;

},{"./_fails":33,"./_iobject":40,"./_object-gops":55,"./_object-keys":58,"./_object-pie":59,"./_to-object":76}],52:[function(_dereq_,module,exports){
// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])
var anObject = _dereq_('./_an-object');
var dPs = _dereq_('./_object-dps');
var enumBugKeys = _dereq_('./_enum-bug-keys');
var IE_PROTO = _dereq_('./_shared-key')('IE_PROTO');
var Empty = function () { /* empty */ };
var PROTOTYPE = 'prototype';

// Create object with fake `null` prototype: use iframe Object with cleared prototype
var createDict = function () {
  // Thrash, waste and sodomy: IE GC bug
  var iframe = _dereq_('./_dom-create')('iframe');
  var i = enumBugKeys.length;
  var lt = '<';
  var gt = '>';
  var iframeDocument;
  iframe.style.display = 'none';
  _dereq_('./_html').appendChild(iframe);
  iframe.src = 'javascript:'; // eslint-disable-line no-script-url
  // createDict = iframe.contentWindow.Object;
  // html.removeChild(iframe);
  iframeDocument = iframe.contentWindow.document;
  iframeDocument.open();
  iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt);
  iframeDocument.close();
  createDict = iframeDocument.F;
  while (i--) delete createDict[PROTOTYPE][enumBugKeys[i]];
  return createDict();
};

module.exports = Object.create || function create(O, Properties) {
  var result;
  if (O !== null) {
    Empty[PROTOTYPE] = anObject(O);
    result = new Empty();
    Empty[PROTOTYPE] = null;
    // add "__proto__" for Object.getPrototypeOf polyfill
    result[IE_PROTO] = O;
  } else result = createDict();
  return Properties === undefined ? result : dPs(result, Properties);
};

},{"./_an-object":14,"./_dom-create":30,"./_enum-bug-keys":31,"./_html":38,"./_object-dps":54,"./_shared-key":68}],53:[function(_dereq_,module,exports){
var anObject = _dereq_('./_an-object');
var IE8_DOM_DEFINE = _dereq_('./_ie8-dom-define');
var toPrimitive = _dereq_('./_to-primitive');
var dP = Object.defineProperty;

exports.f = _dereq_('./_descriptors') ? Object.defineProperty : function defineProperty(O, P, Attributes) {
  anObject(O);
  P = toPrimitive(P, true);
  anObject(Attributes);
  if (IE8_DOM_DEFINE) try {
    return dP(O, P, Attributes);
  } catch (e) { /* empty */ }
  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');
  if ('value' in Attributes) O[P] = Attributes.value;
  return O;
};

},{"./_an-object":14,"./_descriptors":29,"./_ie8-dom-define":39,"./_to-primitive":77}],54:[function(_dereq_,module,exports){
var dP = _dereq_('./_object-dp');
var anObject = _dereq_('./_an-object');
var getKeys = _dereq_('./_object-keys');

module.exports = _dereq_('./_descriptors') ? Object.defineProperties : function defineProperties(O, Properties) {
  anObject(O);
  var keys = getKeys(Properties);
  var length = keys.length;
  var i = 0;
  var P;
  while (length > i) dP.f(O, P = keys[i++], Properties[P]);
  return O;
};

},{"./_an-object":14,"./_descriptors":29,"./_object-dp":53,"./_object-keys":58}],55:[function(_dereq_,module,exports){
exports.f = Object.getOwnPropertySymbols;

},{}],56:[function(_dereq_,module,exports){
// 19.1.2.9 / 15.2.3.2 Object.getPrototypeOf(O)
var has = _dereq_('./_has');
var toObject = _dereq_('./_to-object');
var IE_PROTO = _dereq_('./_shared-key')('IE_PROTO');
var ObjectProto = Object.prototype;

module.exports = Object.getPrototypeOf || function (O) {
  O = toObject(O);
  if (has(O, IE_PROTO)) return O[IE_PROTO];
  if (typeof O.constructor == 'function' && O instanceof O.constructor) {
    return O.constructor.prototype;
  } return O instanceof Object ? ObjectProto : null;
};

},{"./_has":36,"./_shared-key":68,"./_to-object":76}],57:[function(_dereq_,module,exports){
var has = _dereq_('./_has');
var toIObject = _dereq_('./_to-iobject');
var arrayIndexOf = _dereq_('./_array-includes')(false);
var IE_PROTO = _dereq_('./_shared-key')('IE_PROTO');

module.exports = function (object, names) {
  var O = toIObject(object);
  var i = 0;
  var result = [];
  var key;
  for (key in O) if (key != IE_PROTO) has(O, key) && result.push(key);
  // Don't enum bug & hidden keys
  while (names.length > i) if (has(O, key = names[i++])) {
    ~arrayIndexOf(result, key) || result.push(key);
  }
  return result;
};

},{"./_array-includes":16,"./_has":36,"./_shared-key":68,"./_to-iobject":74}],58:[function(_dereq_,module,exports){
// 19.1.2.14 / 15.2.3.14 Object.keys(O)
var $keys = _dereq_('./_object-keys-internal');
var enumBugKeys = _dereq_('./_enum-bug-keys');

module.exports = Object.keys || function keys(O) {
  return $keys(O, enumBugKeys);
};

},{"./_enum-bug-keys":31,"./_object-keys-internal":57}],59:[function(_dereq_,module,exports){
exports.f = {}.propertyIsEnumerable;

},{}],60:[function(_dereq_,module,exports){
// most Object methods by ES6 should accept primitives
var $export = _dereq_('./_export');
var core = _dereq_('./_core');
var fails = _dereq_('./_fails');
module.exports = function (KEY, exec) {
  var fn = (core.Object || {})[KEY] || Object[KEY];
  var exp = {};
  exp[KEY] = exec(fn);
  $export($export.S + $export.F * fails(function () { fn(1); }), 'Object', exp);
};

},{"./_core":26,"./_export":32,"./_fails":33}],61:[function(_dereq_,module,exports){
module.exports = function (bitmap, value) {
  return {
    enumerable: !(bitmap & 1),
    configurable: !(bitmap & 2),
    writable: !(bitmap & 4),
    value: value
  };
};

},{}],62:[function(_dereq_,module,exports){
var hide = _dereq_('./_hide');
module.exports = function (target, src, safe) {
  for (var key in src) {
    if (safe && target[key]) target[key] = src[key];
    else hide(target, key, src[key]);
  } return target;
};

},{"./_hide":37}],63:[function(_dereq_,module,exports){
module.exports = _dereq_('./_hide');

},{"./_hide":37}],64:[function(_dereq_,module,exports){
'use strict';
// https://tc39.github.io/proposal-setmap-offrom/
var $export = _dereq_('./_export');
var aFunction = _dereq_('./_a-function');
var ctx = _dereq_('./_ctx');
var forOf = _dereq_('./_for-of');

module.exports = function (COLLECTION) {
  $export($export.S, COLLECTION, { from: function from(source /* , mapFn, thisArg */) {
    var mapFn = arguments[1];
    var mapping, A, n, cb;
    aFunction(this);
    mapping = mapFn !== undefined;
    if (mapping) aFunction(mapFn);
    if (source == undefined) return new this();
    A = [];
    if (mapping) {
      n = 0;
      cb = ctx(mapFn, arguments[2], 2);
      forOf(source, false, function (nextItem) {
        A.push(cb(nextItem, n++));
      });
    } else {
      forOf(source, false, A.push, A);
    }
    return new this(A);
  } });
};

},{"./_a-function":11,"./_ctx":27,"./_export":32,"./_for-of":34}],65:[function(_dereq_,module,exports){
'use strict';
// https://tc39.github.io/proposal-setmap-offrom/
var $export = _dereq_('./_export');

module.exports = function (COLLECTION) {
  $export($export.S, COLLECTION, { of: function of() {
    var length = arguments.length;
    var A = new Array(length);
    while (length--) A[length] = arguments[length];
    return new this(A);
  } });
};

},{"./_export":32}],66:[function(_dereq_,module,exports){
'use strict';
var global = _dereq_('./_global');
var core = _dereq_('./_core');
var dP = _dereq_('./_object-dp');
var DESCRIPTORS = _dereq_('./_descriptors');
var SPECIES = _dereq_('./_wks')('species');

module.exports = function (KEY) {
  var C = typeof core[KEY] == 'function' ? core[KEY] : global[KEY];
  if (DESCRIPTORS && C && !C[SPECIES]) dP.f(C, SPECIES, {
    configurable: true,
    get: function () { return this; }
  });
};

},{"./_core":26,"./_descriptors":29,"./_global":35,"./_object-dp":53,"./_wks":80}],67:[function(_dereq_,module,exports){
var def = _dereq_('./_object-dp').f;
var has = _dereq_('./_has');
var TAG = _dereq_('./_wks')('toStringTag');

module.exports = function (it, tag, stat) {
  if (it && !has(it = stat ? it : it.prototype, TAG)) def(it, TAG, { configurable: true, value: tag });
};

},{"./_has":36,"./_object-dp":53,"./_wks":80}],68:[function(_dereq_,module,exports){
var shared = _dereq_('./_shared')('keys');
var uid = _dereq_('./_uid');
module.exports = function (key) {
  return shared[key] || (shared[key] = uid(key));
};

},{"./_shared":69,"./_uid":78}],69:[function(_dereq_,module,exports){
var core = _dereq_('./_core');
var global = _dereq_('./_global');
var SHARED = '__core-js_shared__';
var store = global[SHARED] || (global[SHARED] = {});

(module.exports = function (key, value) {
  return store[key] || (store[key] = value !== undefined ? value : {});
})('versions', []).push({
  version: core.version,
  mode: _dereq_('./_library') ? 'pure' : 'global',
  copyright: '© 2018 Denis Pushkarev (zloirock.ru)'
});

},{"./_core":26,"./_global":35,"./_library":49}],70:[function(_dereq_,module,exports){
'use strict';
var fails = _dereq_('./_fails');

module.exports = function (method, arg) {
  return !!method && fails(function () {
    // eslint-disable-next-line no-useless-call
    arg ? method.call(null, function () { /* empty */ }, 1) : method.call(null);
  });
};

},{"./_fails":33}],71:[function(_dereq_,module,exports){
var toInteger = _dereq_('./_to-integer');
var defined = _dereq_('./_defined');
// true  -> String#at
// false -> String#codePointAt
module.exports = function (TO_STRING) {
  return function (that, pos) {
    var s = String(defined(that));
    var i = toInteger(pos);
    var l = s.length;
    var a, b;
    if (i < 0 || i >= l) return TO_STRING ? '' : undefined;
    a = s.charCodeAt(i);
    return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff
      ? TO_STRING ? s.charAt(i) : a
      : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;
  };
};

},{"./_defined":28,"./_to-integer":73}],72:[function(_dereq_,module,exports){
var toInteger = _dereq_('./_to-integer');
var max = Math.max;
var min = Math.min;
module.exports = function (index, length) {
  index = toInteger(index);
  return index < 0 ? max(index + length, 0) : min(index, length);
};

},{"./_to-integer":73}],73:[function(_dereq_,module,exports){
// 7.1.4 ToInteger
var ceil = Math.ceil;
var floor = Math.floor;
module.exports = function (it) {
  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);
};

},{}],74:[function(_dereq_,module,exports){
// to indexed object, toObject with fallback for non-array-like ES3 strings
var IObject = _dereq_('./_iobject');
var defined = _dereq_('./_defined');
module.exports = function (it) {
  return IObject(defined(it));
};

},{"./_defined":28,"./_iobject":40}],75:[function(_dereq_,module,exports){
// 7.1.15 ToLength
var toInteger = _dereq_('./_to-integer');
var min = Math.min;
module.exports = function (it) {
  return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991
};

},{"./_to-integer":73}],76:[function(_dereq_,module,exports){
// 7.1.13 ToObject(argument)
var defined = _dereq_('./_defined');
module.exports = function (it) {
  return Object(defined(it));
};

},{"./_defined":28}],77:[function(_dereq_,module,exports){
// 7.1.1 ToPrimitive(input [, PreferredType])
var isObject = _dereq_('./_is-object');
// instead of the ES6 spec version, we didn't implement @@toPrimitive case
// and the second argument - flag - preferred type is a string
module.exports = function (it, S) {
  if (!isObject(it)) return it;
  var fn, val;
  if (S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;
  if (typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it))) return val;
  if (!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;
  throw TypeError("Can't convert object to primitive value");
};

},{"./_is-object":43}],78:[function(_dereq_,module,exports){
var id = 0;
var px = Math.random();
module.exports = function (key) {
  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));
};

},{}],79:[function(_dereq_,module,exports){
var isObject = _dereq_('./_is-object');
module.exports = function (it, TYPE) {
  if (!isObject(it) || it._t !== TYPE) throw TypeError('Incompatible receiver, ' + TYPE + ' required!');
  return it;
};

},{"./_is-object":43}],80:[function(_dereq_,module,exports){
var store = _dereq_('./_shared')('wks');
var uid = _dereq_('./_uid');
var Symbol = _dereq_('./_global').Symbol;
var USE_SYMBOL = typeof Symbol == 'function';

var $exports = module.exports = function (name) {
  return store[name] || (store[name] =
    USE_SYMBOL && Symbol[name] || (USE_SYMBOL ? Symbol : uid)('Symbol.' + name));
};

$exports.store = store;

},{"./_global":35,"./_shared":69,"./_uid":78}],81:[function(_dereq_,module,exports){
var classof = _dereq_('./_classof');
var ITERATOR = _dereq_('./_wks')('iterator');
var Iterators = _dereq_('./_iterators');
module.exports = _dereq_('./_core').getIteratorMethod = function (it) {
  if (it != undefined) return it[ITERATOR]
    || it['@@iterator']
    || Iterators[classof(it)];
};

},{"./_classof":21,"./_core":26,"./_iterators":48,"./_wks":80}],82:[function(_dereq_,module,exports){
'use strict';
var $export = _dereq_('./_export');
var $filter = _dereq_('./_array-methods')(2);

$export($export.P + $export.F * !_dereq_('./_strict-method')([].filter, true), 'Array', {
  // 22.1.3.7 / 15.4.4.20 Array.prototype.filter(callbackfn [, thisArg])
  filter: function filter(callbackfn /* , thisArg */) {
    return $filter(this, callbackfn, arguments[1]);
  }
});

},{"./_array-methods":17,"./_export":32,"./_strict-method":70}],83:[function(_dereq_,module,exports){
'use strict';
var $export = _dereq_('./_export');
var $forEach = _dereq_('./_array-methods')(0);
var STRICT = _dereq_('./_strict-method')([].forEach, true);

$export($export.P + $export.F * !STRICT, 'Array', {
  // 22.1.3.10 / 15.4.4.18 Array.prototype.forEach(callbackfn [, thisArg])
  forEach: function forEach(callbackfn /* , thisArg */) {
    return $forEach(this, callbackfn, arguments[1]);
  }
});

},{"./_array-methods":17,"./_export":32,"./_strict-method":70}],84:[function(_dereq_,module,exports){
'use strict';
var $export = _dereq_('./_export');
var $indexOf = _dereq_('./_array-includes')(false);
var $native = [].indexOf;
var NEGATIVE_ZERO = !!$native && 1 / [1].indexOf(1, -0) < 0;

$export($export.P + $export.F * (NEGATIVE_ZERO || !_dereq_('./_strict-method')($native)), 'Array', {
  // 22.1.3.11 / 15.4.4.14 Array.prototype.indexOf(searchElement [, fromIndex])
  indexOf: function indexOf(searchElement /* , fromIndex = 0 */) {
    return NEGATIVE_ZERO
      // convert -0 to +0
      ? $native.apply(this, arguments) || 0
      : $indexOf(this, searchElement, arguments[1]);
  }
});

},{"./_array-includes":16,"./_export":32,"./_strict-method":70}],85:[function(_dereq_,module,exports){
// 22.1.2.2 / 15.4.3.2 Array.isArray(arg)
var $export = _dereq_('./_export');

$export($export.S, 'Array', { isArray: _dereq_('./_is-array') });

},{"./_export":32,"./_is-array":42}],86:[function(_dereq_,module,exports){
'use strict';
var addToUnscopables = _dereq_('./_add-to-unscopables');
var step = _dereq_('./_iter-step');
var Iterators = _dereq_('./_iterators');
var toIObject = _dereq_('./_to-iobject');

// 22.1.3.4 Array.prototype.entries()
// 22.1.3.13 Array.prototype.keys()
// 22.1.3.29 Array.prototype.values()
// 22.1.3.30 Array.prototype[@@iterator]()
module.exports = _dereq_('./_iter-define')(Array, 'Array', function (iterated, kind) {
  this._t = toIObject(iterated); // target
  this._i = 0;                   // next index
  this._k = kind;                // kind
// 22.1.5.2.1 %ArrayIteratorPrototype%.next()
}, function () {
  var O = this._t;
  var kind = this._k;
  var index = this._i++;
  if (!O || index >= O.length) {
    this._t = undefined;
    return step(1);
  }
  if (kind == 'keys') return step(0, index);
  if (kind == 'values') return step(0, O[index]);
  return step(0, [index, O[index]]);
}, 'values');

// argumentsList[@@iterator] is %ArrayProto_values% (9.4.4.6, 9.4.4.7)
Iterators.Arguments = Iterators.Array;

addToUnscopables('keys');
addToUnscopables('values');
addToUnscopables('entries');

},{"./_add-to-unscopables":12,"./_iter-define":46,"./_iter-step":47,"./_iterators":48,"./_to-iobject":74}],87:[function(_dereq_,module,exports){
'use strict';
var $export = _dereq_('./_export');
var $map = _dereq_('./_array-methods')(1);

$export($export.P + $export.F * !_dereq_('./_strict-method')([].map, true), 'Array', {
  // 22.1.3.15 / 15.4.4.19 Array.prototype.map(callbackfn [, thisArg])
  map: function map(callbackfn /* , thisArg */) {
    return $map(this, callbackfn, arguments[1]);
  }
});

},{"./_array-methods":17,"./_export":32,"./_strict-method":70}],88:[function(_dereq_,module,exports){
'use strict';
var $export = _dereq_('./_export');
var $reduce = _dereq_('./_array-reduce');

$export($export.P + $export.F * !_dereq_('./_strict-method')([].reduce, true), 'Array', {
  // 22.1.3.18 / 15.4.4.21 Array.prototype.reduce(callbackfn [, initialValue])
  reduce: function reduce(callbackfn /* , initialValue */) {
    return $reduce(this, callbackfn, arguments.length, arguments[1], false);
  }
});

},{"./_array-reduce":18,"./_export":32,"./_strict-method":70}],89:[function(_dereq_,module,exports){
'use strict';
var strong = _dereq_('./_collection-strong');
var validate = _dereq_('./_validate-collection');
var MAP = 'Map';

// 23.1 Map Objects
module.exports = _dereq_('./_collection')(MAP, function (get) {
  return function Map() { return get(this, arguments.length > 0 ? arguments[0] : undefined); };
}, {
  // 23.1.3.6 Map.prototype.get(key)
  get: function get(key) {
    var entry = strong.getEntry(validate(this, MAP), key);
    return entry && entry.v;
  },
  // 23.1.3.9 Map.prototype.set(key, value)
  set: function set(key, value) {
    return strong.def(validate(this, MAP), key === 0 ? 0 : key, value);
  }
}, strong, true);

},{"./_collection":25,"./_collection-strong":23,"./_validate-collection":79}],90:[function(_dereq_,module,exports){
// 19.1.3.1 Object.assign(target, source)
var $export = _dereq_('./_export');

$export($export.S + $export.F, 'Object', { assign: _dereq_('./_object-assign') });

},{"./_export":32,"./_object-assign":51}],91:[function(_dereq_,module,exports){
// 19.1.2.14 Object.keys(O)
var toObject = _dereq_('./_to-object');
var $keys = _dereq_('./_object-keys');

_dereq_('./_object-sap')('keys', function () {
  return function keys(it) {
    return $keys(toObject(it));
  };
});

},{"./_object-keys":58,"./_object-sap":60,"./_to-object":76}],92:[function(_dereq_,module,exports){

},{}],93:[function(_dereq_,module,exports){
'use strict';
var $at = _dereq_('./_string-at')(true);

// 21.1.3.27 String.prototype[@@iterator]()
_dereq_('./_iter-define')(String, 'String', function (iterated) {
  this._t = String(iterated); // target
  this._i = 0;                // next index
// 21.1.5.2.1 %StringIteratorPrototype%.next()
}, function () {
  var O = this._t;
  var index = this._i;
  var point;
  if (index >= O.length) return { value: undefined, done: true };
  point = $at(O, index);
  this._i += point.length;
  return { value: point, done: false };
});

},{"./_iter-define":46,"./_string-at":71}],94:[function(_dereq_,module,exports){
// https://tc39.github.io/proposal-setmap-offrom/#sec-map.from
_dereq_('./_set-collection-from')('Map');

},{"./_set-collection-from":64}],95:[function(_dereq_,module,exports){
// https://tc39.github.io/proposal-setmap-offrom/#sec-map.of
_dereq_('./_set-collection-of')('Map');

},{"./_set-collection-of":65}],96:[function(_dereq_,module,exports){
// https://github.com/DavidBruant/Map-Set.prototype.toJSON
var $export = _dereq_('./_export');

$export($export.P + $export.R, 'Map', { toJSON: _dereq_('./_collection-to-json')('Map') });

},{"./_collection-to-json":24,"./_export":32}],97:[function(_dereq_,module,exports){
_dereq_('./es6.array.iterator');
var global = _dereq_('./_global');
var hide = _dereq_('./_hide');
var Iterators = _dereq_('./_iterators');
var TO_STRING_TAG = _dereq_('./_wks')('toStringTag');

var DOMIterables = ('CSSRuleList,CSSStyleDeclaration,CSSValueList,ClientRectList,DOMRectList,DOMStringList,' +
  'DOMTokenList,DataTransferItemList,FileList,HTMLAllCollection,HTMLCollection,HTMLFormElement,HTMLSelectElement,' +
  'MediaList,MimeTypeArray,NamedNodeMap,NodeList,PaintRequestList,Plugin,PluginArray,SVGLengthList,SVGNumberList,' +
  'SVGPathSegList,SVGPointList,SVGStringList,SVGTransformList,SourceBufferList,StyleSheetList,TextTrackCueList,' +
  'TextTrackList,TouchList').split(',');

for (var i = 0; i < DOMIterables.length; i++) {
  var NAME = DOMIterables[i];
  var Collection = global[NAME];
  var proto = Collection && Collection.prototype;
  if (proto && !proto[TO_STRING_TAG]) hide(proto, TO_STRING_TAG, NAME);
  Iterators[NAME] = Iterators.Array;
}

},{"./_global":35,"./_hide":37,"./_iterators":48,"./_wks":80,"./es6.array.iterator":86}],98:[function(_dereq_,module,exports){
var pSlice = Array.prototype.slice;
var objectKeys = _dereq_('./lib/keys.js');
var isArguments = _dereq_('./lib/is_arguments.js');

var deepEqual = module.exports = function (actual, expected, opts) {
  if (!opts) opts = {};
  // 7.1. All identical values are equivalent, as determined by ===.
  if (actual === expected) {
    return true;

  } else if (actual instanceof Date && expected instanceof Date) {
    return actual.getTime() === expected.getTime();

  // 7.3. Other pairs that do not both pass typeof value == 'object',
  // equivalence is determined by ==.
  } else if (!actual || !expected || typeof actual != 'object' && typeof expected != 'object') {
    return opts.strict ? actual === expected : actual == expected;

  // 7.4. For all other Object pairs, including Array objects, equivalence is
  // determined by having the same number of owned properties (as verified
  // with Object.prototype.hasOwnProperty.call), the same set of keys
  // (although not necessarily the same order), equivalent values for every
  // corresponding key, and an identical 'prototype' property. Note: this
  // accounts for both named and indexed properties on Arrays.
  } else {
    return objEquiv(actual, expected, opts);
  }
}

function isUndefinedOrNull(value) {
  return value === null || value === undefined;
}

function isBuffer (x) {
  if (!x || typeof x !== 'object' || typeof x.length !== 'number') return false;
  if (typeof x.copy !== 'function' || typeof x.slice !== 'function') {
    return false;
  }
  if (x.length > 0 && typeof x[0] !== 'number') return false;
  return true;
}

function objEquiv(a, b, opts) {
  var i, key;
  if (isUndefinedOrNull(a) || isUndefinedOrNull(b))
    return false;
  // an identical 'prototype' property.
  if (a.prototype !== b.prototype) return false;
  //~~~I've managed to break Object.keys through screwy arguments passing.
  //   Converting to array solves the problem.
  if (isArguments(a)) {
    if (!isArguments(b)) {
      return false;
    }
    a = pSlice.call(a);
    b = pSlice.call(b);
    return deepEqual(a, b, opts);
  }
  if (isBuffer(a)) {
    if (!isBuffer(b)) {
      return false;
    }
    if (a.length !== b.length) return false;
    for (i = 0; i < a.length; i++) {
      if (a[i] !== b[i]) return false;
    }
    return true;
  }
  try {
    var ka = objectKeys(a),
        kb = objectKeys(b);
  } catch (e) {//happens when one is a string literal and the other isn't
    return false;
  }
  // having the same number of owned properties (keys incorporates
  // hasOwnProperty)
  if (ka.length != kb.length)
    return false;
  //the same set of keys (although not necessarily the same order),
  ka.sort();
  kb.sort();
  //~~~cheap key test
  for (i = ka.length - 1; i >= 0; i--) {
    if (ka[i] != kb[i])
      return false;
  }
  //equivalent values for every corresponding key, and
  //~~~possibly expensive deep test
  for (i = ka.length - 1; i >= 0; i--) {
    key = ka[i];
    if (!deepEqual(a[key], b[key], opts)) return false;
  }
  return typeof a === typeof b;
}

},{"./lib/is_arguments.js":99,"./lib/keys.js":100}],99:[function(_dereq_,module,exports){
var supportsArgumentsClass = (function(){
  return Object.prototype.toString.call(arguments)
})() == '[object Arguments]';

exports = module.exports = supportsArgumentsClass ? supported : unsupported;

exports.supported = supported;
function supported(object) {
  return Object.prototype.toString.call(object) == '[object Arguments]';
};

exports.unsupported = unsupported;
function unsupported(object){
  return object &&
    typeof object == 'object' &&
    typeof object.length == 'number' &&
    Object.prototype.hasOwnProperty.call(object, 'callee') &&
    !Object.prototype.propertyIsEnumerable.call(object, 'callee') ||
    false;
};

},{}],100:[function(_dereq_,module,exports){
exports = module.exports = typeof Object.keys === 'function'
  ? Object.keys : shim;

exports.shim = shim;
function shim (obj) {
  var keys = [];
  for (var key in obj) keys.push(key);
  return keys;
}

},{}],101:[function(_dereq_,module,exports){
/**
 * espurify - Clone new AST without extra properties
 *
 * https://github.com/estools/espurify
 *
 * Copyright (c) 2014-2018 Takuto Wada
 * Licensed under the MIT license.
 *   https://github.com/estools/espurify/blob/master/MIT-LICENSE.txt
 */
'use strict';

var createWhitelist = _dereq_('./lib/create-whitelist');
var cloneWithWhitelist = _dereq_('./lib/clone-ast');

function createCloneFunction (options) {
  return cloneWithWhitelist(createWhitelist(options));
}

var espurify = createCloneFunction();
espurify.customize = createCloneFunction;
espurify.cloneWithWhitelist = cloneWithWhitelist;
module.exports = espurify;

},{"./lib/clone-ast":103,"./lib/create-whitelist":104}],102:[function(_dereq_,module,exports){
module.exports = {
  ArrayExpression: ['type', 'elements'],
  ArrayPattern: ['type', 'elements'],
  ArrowFunctionExpression: ['type', 'id', 'params', 'body', 'generator', 'expression', 'async'],
  AssignmentExpression: ['type', 'operator', 'left', 'right'],
  AssignmentPattern: ['type', 'left', 'right'],
  AwaitExpression: ['type', 'argument'],
  BinaryExpression: ['type', 'operator', 'left', 'right'],
  BlockStatement: ['type', 'body'],
  BreakStatement: ['type', 'label'],
  CallExpression: ['type', 'callee', 'arguments'],
  CatchClause: ['type', 'param', 'guard', 'body'],
  ClassBody: ['type', 'body'],
  ClassDeclaration: ['type', 'id', 'superClass', 'body'],
  ClassExpression: ['type', 'id', 'superClass', 'body'],
  ConditionalExpression: ['type', 'test', 'consequent', 'alternate'],
  ContinueStatement: ['type', 'label'],
  DebuggerStatement: ['type'],
  DoWhileStatement: ['type', 'body', 'test'],
  EmptyStatement: ['type'],
  ExportAllDeclaration: ['type', 'source'],
  ExportDefaultDeclaration: ['type', 'declaration'],
  ExportNamedDeclaration: ['type', 'declaration', 'specifiers', 'source'],
  ExportSpecifier: ['type', 'exported', 'local'],
  ExpressionStatement: ['type', 'expression'],
  ForInStatement: ['type', 'left', 'right', 'body'],
  ForOfStatement: ['type', 'left', 'right', 'body', 'await'],
  ForStatement: ['type', 'init', 'test', 'update', 'body'],
  FunctionDeclaration: ['type', 'id', 'params', 'body', 'generator', 'async'],
  FunctionExpression: ['type', 'id', 'params', 'body', 'generator', 'async'],
  Identifier: ['type', 'name'],
  IfStatement: ['type', 'test', 'consequent', 'alternate'],
  ImportDeclaration: ['type', 'specifiers', 'source'],
  ImportDefaultSpecifier: ['type', 'local'],
  ImportNamespaceSpecifier: ['type', 'local'],
  ImportSpecifier: ['type', 'imported', 'local'],
  LabeledStatement: ['type', 'label', 'body'],
  Literal: ['type', 'value', 'regex'],
  LogicalExpression: ['type', 'operator', 'left', 'right'],
  MemberExpression: ['type', 'object', 'property', 'computed'],
  MetaProperty: ['type', 'meta', 'property'],
  MethodDefinition: ['type', 'key', 'value', 'kind', 'computed', 'static'],
  NewExpression: ['type', 'callee', 'arguments'],
  ObjectExpression: ['type', 'properties'],
  ObjectPattern: ['type', 'properties'],
  Program: ['type', 'body', 'sourceType'],
  Property: ['type', 'key', 'value', 'kind', 'method', 'shorthand', 'computed'],
  RestElement: ['type', 'argument'],
  ReturnStatement: ['type', 'argument'],
  SequenceExpression: ['type', 'expressions'],
  SpreadElement: ['type', 'argument'],
  Super: ['type'],
  SwitchCase: ['type', 'test', 'consequent'],
  SwitchStatement: ['type', 'discriminant', 'cases', 'lexical'],
  TaggedTemplateExpression: ['type', 'tag', 'quasi'],
  TemplateElement: ['type', 'tail', 'value'],
  TemplateLiteral: ['type', 'quasis', 'expressions'],
  ThisExpression: ['type'],
  ThrowStatement: ['type', 'argument'],
  TryStatement: ['type', 'block', 'handler', 'finalizer'],
  UnaryExpression: ['type', 'operator', 'prefix', 'argument'],
  UpdateExpression: ['type', 'operator', 'argument', 'prefix'],
  VariableDeclaration: ['type', 'declarations', 'kind'],
  VariableDeclarator: ['type', 'id', 'init'],
  WhileStatement: ['type', 'test', 'body'],
  WithStatement: ['type', 'object', 'body'],
  YieldExpression: ['type', 'argument', 'delegate']
};

},{}],103:[function(_dereq_,module,exports){
'use strict';

var isArray = _dereq_('core-js/library/fn/array/is-array');
var objectKeys = _dereq_('core-js/library/fn/object/keys');
var indexOf = _dereq_('core-js/library/fn/array/index-of');
var Map = _dereq_('core-js/library/fn/map');
var reduce = _dereq_('core-js/library/fn/array/reduce');

module.exports = function cloneWithWhitelist (astWhiteList) {
  var whitelist = reduce(objectKeys(astWhiteList), function (props, key) {
    var propNames = astWhiteList[key];
    var prepend = (indexOf(propNames, 'type') === -1) ? ['type'] : [];
    props[key] = prepend.concat(propNames || []);
    return props;
  }, {});

  function cloneNodeOrObject (obj, seen) {
    var props = obj.type ? whitelist[obj.type] : null;
    if (props) {
      return cloneNode(obj, props, seen);
    } else {
      return cloneObject(obj, seen);
    }
  }

  function cloneArray (ary, seen) {
    var i = ary.length;
    var clone = [];
    while (i--) {
      clone[i] = cloneOf(ary[i], seen);
    }
    return clone;
  }

  function cloneNode (node, props, seen) {
    var i, len, key;
    var clone = {};
    for (i = 0, len = props.length; i < len; i += 1) {
      key = props[i];
      if (node.hasOwnProperty(key)) {
        clone[key] = cloneOf(node[key], seen);
      }
    }
    return clone;
  }

  function cloneObject (obj, seen) {
    var props = objectKeys(obj);
    var i, len, key, value;
    var clone = {};
    for (i = 0, len = props.length; i < len; i += 1) {
      key = props[i];
      value = obj[key];
      if (seen.has(value)) {
        continue;
      }
      clone[key] = cloneOf(value, seen);
    }
    return clone;
  }

  function cloneOf (val, seen) {
    if (typeof val === 'object' && val !== null) {
      seen.set(val, true);
      if (val instanceof RegExp) {
        return new RegExp(val);
      } else if (isArray(val)) {
        return cloneArray(val, seen);
      } else {
        return cloneNodeOrObject(val, seen);
      }
    } else {
      return val;
    }
  }

  function cloneRoot (obj) {
    var seen = new Map();
    seen.set(obj, true);
    return cloneNodeOrObject(obj, seen);
  }

  return cloneRoot;
};

},{"core-js/library/fn/array/index-of":4,"core-js/library/fn/array/is-array":5,"core-js/library/fn/array/reduce":7,"core-js/library/fn/map":8,"core-js/library/fn/object/keys":10}],104:[function(_dereq_,module,exports){
'use strict';

var defaultProps = _dereq_('./ast-properties');
var objectKeys = _dereq_('core-js/library/fn/object/keys');
var assign = _dereq_('core-js/library/fn/object/assign');

module.exports = function createWhitelist (options) {
  var opts = assign({}, options);
  var typeName, i, len;
  var keys = objectKeys(defaultProps);
  var result = {};
  for (i = 0, len = keys.length; i < len; i += 1) {
    typeName = keys[i];
    result[typeName] = defaultProps[typeName].concat(opts.extra || []);
  }
  return result;
};

},{"./ast-properties":102,"core-js/library/fn/object/assign":9,"core-js/library/fn/object/keys":10}],105:[function(_dereq_,module,exports){
/*
  Copyright (C) 2012-2013 Yusuke Suzuki <utatane.tea@gmail.com>
  Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com>

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in the
      documentation and/or other materials provided with the distribution.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*jslint vars:false, bitwise:true*/
/*jshint indent:4*/
/*global exports:true*/
(function clone(exports) {
    'use strict';

    var Syntax,
        isArray,
        VisitorOption,
        VisitorKeys,
        objectCreate,
        objectKeys,
        BREAK,
        SKIP,
        REMOVE;

    function ignoreJSHintError() { }

    isArray = Array.isArray;
    if (!isArray) {
        isArray = function isArray(array) {
            return Object.prototype.toString.call(array) === '[object Array]';
        };
    }

    function deepCopy(obj) {
        var ret = {}, key, val;
        for (key in obj) {
            if (obj.hasOwnProperty(key)) {
                val = obj[key];
                if (typeof val === 'object' && val !== null) {
                    ret[key] = deepCopy(val);
                } else {
                    ret[key] = val;
                }
            }
        }
        return ret;
    }

    function shallowCopy(obj) {
        var ret = {}, key;
        for (key in obj) {
            if (obj.hasOwnProperty(key)) {
                ret[key] = obj[key];
            }
        }
        return ret;
    }
    ignoreJSHintError(shallowCopy);

    // based on LLVM libc++ upper_bound / lower_bound
    // MIT License

    function upperBound(array, func) {
        var diff, len, i, current;

        len = array.length;
        i = 0;

        while (len) {
            diff = len >>> 1;
            current = i + diff;
            if (func(array[current])) {
                len = diff;
            } else {
                i = current + 1;
                len -= diff + 1;
            }
        }
        return i;
    }

    function lowerBound(array, func) {
        var diff, len, i, current;

        len = array.length;
        i = 0;

        while (len) {
            diff = len >>> 1;
            current = i + diff;
            if (func(array[current])) {
                i = current + 1;
                len -= diff + 1;
            } else {
                len = diff;
            }
        }
        return i;
    }
    ignoreJSHintError(lowerBound);

    objectCreate = Object.create || (function () {
        function F() { }

        return function (o) {
            F.prototype = o;
            return new F();
        };
    })();

    objectKeys = Object.keys || function (o) {
        var keys = [], key;
        for (key in o) {
            keys.push(key);
        }
        return keys;
    };

    function extend(to, from) {
        var keys = objectKeys(from), key, i, len;
        for (i = 0, len = keys.length; i < len; i += 1) {
            key = keys[i];
            to[key] = from[key];
        }
        return to;
    }

    Syntax = {
        AssignmentExpression: 'AssignmentExpression',
        AssignmentPattern: 'AssignmentPattern',
        ArrayExpression: 'ArrayExpression',
        ArrayPattern: 'ArrayPattern',
        ArrowFunctionExpression: 'ArrowFunctionExpression',
        AwaitExpression: 'AwaitExpression', // CAUTION: It's deferred to ES7.
        BlockStatement: 'BlockStatement',
        BinaryExpression: 'BinaryExpression',
        BreakStatement: 'BreakStatement',
        CallExpression: 'CallExpression',
        CatchClause: 'CatchClause',
        ClassBody: 'ClassBody',
        ClassDeclaration: 'ClassDeclaration',
        ClassExpression: 'ClassExpression',
        ComprehensionBlock: 'ComprehensionBlock',  // CAUTION: It's deferred to ES7.
        ComprehensionExpression: 'ComprehensionExpression',  // CAUTION: It's deferred to ES7.
        ConditionalExpression: 'ConditionalExpression',
        ContinueStatement: 'ContinueStatement',
        DebuggerStatement: 'DebuggerStatement',
        DirectiveStatement: 'DirectiveStatement',
        DoWhileStatement: 'DoWhileStatement',
        EmptyStatement: 'EmptyStatement',
        ExportAllDeclaration: 'ExportAllDeclaration',
        ExportDefaultDeclaration: 'ExportDefaultDeclaration',
        ExportNamedDeclaration: 'ExportNamedDeclaration',
        ExportSpecifier: 'ExportSpecifier',
        ExpressionStatement: 'ExpressionStatement',
        ForStatement: 'ForStatement',
        ForInStatement: 'ForInStatement',
        ForOfStatement: 'ForOfStatement',
        FunctionDeclaration: 'FunctionDeclaration',
        FunctionExpression: 'FunctionExpression',
        GeneratorExpression: 'GeneratorExpression',  // CAUTION: It's deferred to ES7.
        Identifier: 'Identifier',
        IfStatement: 'IfStatement',
        ImportDeclaration: 'ImportDeclaration',
        ImportDefaultSpecifier: 'ImportDefaultSpecifier',
        ImportNamespaceSpecifier: 'ImportNamespaceSpecifier',
        ImportSpecifier: 'ImportSpecifier',
        Literal: 'Literal',
        LabeledStatement: 'LabeledStatement',
        LogicalExpression: 'LogicalExpression',
        MemberExpression: 'MemberExpression',
        MetaProperty: 'MetaProperty',
        MethodDefinition: 'MethodDefinition',
        ModuleSpecifier: 'ModuleSpecifier',
        NewExpression: 'NewExpression',
        ObjectExpression: 'ObjectExpression',
        ObjectPattern: 'ObjectPattern',
        Program: 'Program',
        Property: 'Property',
        RestElement: 'RestElement',
        ReturnStatement: 'ReturnStatement',
        SequenceExpression: 'SequenceExpression',
        SpreadElement: 'SpreadElement',
        Super: 'Super',
        SwitchStatement: 'SwitchStatement',
        SwitchCase: 'SwitchCase',
        TaggedTemplateExpression: 'TaggedTemplateExpression',
        TemplateElement: 'TemplateElement',
        TemplateLiteral: 'TemplateLiteral',
        ThisExpression: 'ThisExpression',
        ThrowStatement: 'ThrowStatement',
        TryStatement: 'TryStatement',
        UnaryExpression: 'UnaryExpression',
        UpdateExpression: 'UpdateExpression',
        VariableDeclaration: 'VariableDeclaration',
        VariableDeclarator: 'VariableDeclarator',
        WhileStatement: 'WhileStatement',
        WithStatement: 'WithStatement',
        YieldExpression: 'YieldExpression'
    };

    VisitorKeys = {
        AssignmentExpression: ['left', 'right'],
        AssignmentPattern: ['left', 'right'],
        ArrayExpression: ['elements'],
        ArrayPattern: ['elements'],
        ArrowFunctionExpression: ['params', 'body'],
        AwaitExpression: ['argument'], // CAUTION: It's deferred to ES7.
        BlockStatement: ['body'],
        BinaryExpression: ['left', 'right'],
        BreakStatement: ['label'],
        CallExpression: ['callee', 'arguments'],
        CatchClause: ['param', 'body'],
        ClassBody: ['body'],
        ClassDeclaration: ['id', 'superClass', 'body'],
        ClassExpression: ['id', 'superClass', 'body'],
        ComprehensionBlock: ['left', 'right'],  // CAUTION: It's deferred to ES7.
        ComprehensionExpression: ['blocks', 'filter', 'body'],  // CAUTION: It's deferred to ES7.
        ConditionalExpression: ['test', 'consequent', 'alternate'],
        ContinueStatement: ['label'],
        DebuggerStatement: [],
        DirectiveStatement: [],
        DoWhileStatement: ['body', 'test'],
        EmptyStatement: [],
        ExportAllDeclaration: ['source'],
        ExportDefaultDeclaration: ['declaration'],
        ExportNamedDeclaration: ['declaration', 'specifiers', 'source'],
        ExportSpecifier: ['exported', 'local'],
        ExpressionStatement: ['expression'],
        ForStatement: ['init', 'test', 'update', 'body'],
        ForInStatement: ['left', 'right', 'body'],
        ForOfStatement: ['left', 'right', 'body'],
        FunctionDeclaration: ['id', 'params', 'body'],
        FunctionExpression: ['id', 'params', 'body'],
        GeneratorExpression: ['blocks', 'filter', 'body'],  // CAUTION: It's deferred to ES7.
        Identifier: [],
        IfStatement: ['test', 'consequent', 'alternate'],
        ImportDeclaration: ['specifiers', 'source'],
        ImportDefaultSpecifier: ['local'],
        ImportNamespaceSpecifier: ['local'],
        ImportSpecifier: ['imported', 'local'],
        Literal: [],
        LabeledStatement: ['label', 'body'],
        LogicalExpression: ['left', 'right'],
        MemberExpression: ['object', 'property'],
        MetaProperty: ['meta', 'property'],
        MethodDefinition: ['key', 'value'],
        ModuleSpecifier: [],
        NewExpression: ['callee', 'arguments'],
        ObjectExpression: ['properties'],
        ObjectPattern: ['properties'],
        Program: ['body'],
        Property: ['key', 'value'],
        RestElement: [ 'argument' ],
        ReturnStatement: ['argument'],
        SequenceExpression: ['expressions'],
        SpreadElement: ['argument'],
        Super: [],
        SwitchStatement: ['discriminant', 'cases'],
        SwitchCase: ['test', 'consequent'],
        TaggedTemplateExpression: ['tag', 'quasi'],
        TemplateElement: [],
        TemplateLiteral: ['quasis', 'expressions'],
        ThisExpression: [],
        ThrowStatement: ['argument'],
        TryStatement: ['block', 'handler', 'finalizer'],
        UnaryExpression: ['argument'],
        UpdateExpression: ['argument'],
        VariableDeclaration: ['declarations'],
        VariableDeclarator: ['id', 'init'],
        WhileStatement: ['test', 'body'],
        WithStatement: ['object', 'body'],
        YieldExpression: ['argument']
    };

    // unique id
    BREAK = {};
    SKIP = {};
    REMOVE = {};

    VisitorOption = {
        Break: BREAK,
        Skip: SKIP,
        Remove: REMOVE
    };

    function Reference(parent, key) {
        this.parent = parent;
        this.key = key;
    }

    Reference.prototype.replace = function replace(node) {
        this.parent[this.key] = node;
    };

    Reference.prototype.remove = function remove() {
        if (isArray(this.parent)) {
            this.parent.splice(this.key, 1);
            return true;
        } else {
            this.replace(null);
            return false;
        }
    };

    function Element(node, path, wrap, ref) {
        this.node = node;
        this.path = path;
        this.wrap = wrap;
        this.ref = ref;
    }

    function Controller() { }

    // API:
    // return property path array from root to current node
    Controller.prototype.path = function path() {
        var i, iz, j, jz, result, element;

        function addToPath(result, path) {
            if (isArray(path)) {
                for (j = 0, jz = path.length; j < jz; ++j) {
                    result.push(path[j]);
                }
            } else {
                result.push(path);
            }
        }

        // root node
        if (!this.__current.path) {
            return null;
        }

        // first node is sentinel, second node is root element
        result = [];
        for (i = 2, iz = this.__leavelist.length; i < iz; ++i) {
            element = this.__leavelist[i];
            addToPath(result, element.path);
        }
        addToPath(result, this.__current.path);
        return result;
    };

    // API:
    // return type of current node
    Controller.prototype.type = function () {
        var node = this.current();
        return node.type || this.__current.wrap;
    };

    // API:
    // return array of parent elements
    Controller.prototype.parents = function parents() {
        var i, iz, result;

        // first node is sentinel
        result = [];
        for (i = 1, iz = this.__leavelist.length; i < iz; ++i) {
            result.push(this.__leavelist[i].node);
        }

        return result;
    };

    // API:
    // return current node
    Controller.prototype.current = function current() {
        return this.__current.node;
    };

    Controller.prototype.__execute = function __execute(callback, element) {
        var previous, result;

        result = undefined;

        previous  = this.__current;
        this.__current = element;
        this.__state = null;
        if (callback) {
            result = callback.call(this, element.node, this.__leavelist[this.__leavelist.length - 1].node);
        }
        this.__current = previous;

        return result;
    };

    // API:
    // notify control skip / break
    Controller.prototype.notify = function notify(flag) {
        this.__state = flag;
    };

    // API:
    // skip child nodes of current node
    Controller.prototype.skip = function () {
        this.notify(SKIP);
    };

    // API:
    // break traversals
    Controller.prototype['break'] = function () {
        this.notify(BREAK);
    };

    // API:
    // remove node
    Controller.prototype.remove = function () {
        this.notify(REMOVE);
    };

    Controller.prototype.__initialize = function(root, visitor) {
        this.visitor = visitor;
        this.root = root;
        this.__worklist = [];
        this.__leavelist = [];
        this.__current = null;
        this.__state = null;
        this.__fallback = null;
        if (visitor.fallback === 'iteration') {
            this.__fallback = objectKeys;
        } else if (typeof visitor.fallback === 'function') {
            this.__fallback = visitor.fallback;
        }

        this.__keys = VisitorKeys;
        if (visitor.keys) {
            this.__keys = extend(objectCreate(this.__keys), visitor.keys);
        }
    };

    function isNode(node) {
        if (node == null) {
            return false;
        }
        return typeof node === 'object' && typeof node.type === 'string';
    }

    function isProperty(nodeType, key) {
        return (nodeType === Syntax.ObjectExpression || nodeType === Syntax.ObjectPattern) && 'properties' === key;
    }

    Controller.prototype.traverse = function traverse(root, visitor) {
        var worklist,
            leavelist,
            element,
            node,
            nodeType,
            ret,
            key,
            current,
            current2,
            candidates,
            candidate,
            sentinel;

        this.__initialize(root, visitor);

        sentinel = {};

        // reference
        worklist = this.__worklist;
        leavelist = this.__leavelist;

        // initialize
        worklist.push(new Element(root, null, null, null));
        leavelist.push(new Element(null, null, null, null));

        while (worklist.length) {
            element = worklist.pop();

            if (element === sentinel) {
                element = leavelist.pop();

                ret = this.__execute(visitor.leave, element);

                if (this.__state === BREAK || ret === BREAK) {
                    return;
                }
                continue;
            }

            if (element.node) {

                ret = this.__execute(visitor.enter, element);

                if (this.__state === BREAK || ret === BREAK) {
                    return;
                }

                worklist.push(sentinel);
                leavelist.push(element);

                if (this.__state === SKIP || ret === SKIP) {
                    continue;
                }

                node = element.node;
                nodeType = node.type || element.wrap;
                candidates = this.__keys[nodeType];
                if (!candidates) {
                    if (this.__fallback) {
                        candidates = this.__fallback(node);
                    } else {
                        throw new Error('Unknown node type ' + nodeType + '.');
                    }
                }

                current = candidates.length;
                while ((current -= 1) >= 0) {
                    key = candidates[current];
                    candidate = node[key];
                    if (!candidate) {
                        continue;
                    }

                    if (isArray(candidate)) {
                        current2 = candidate.length;
                        while ((current2 -= 1) >= 0) {
                            if (!candidate[current2]) {
                                continue;
                            }
                            if (isProperty(nodeType, candidates[current])) {
                                element = new Element(candidate[current2], [key, current2], 'Property', null);
                            } else if (isNode(candidate[current2])) {
                                element = new Element(candidate[current2], [key, current2], null, null);
                            } else {
                                continue;
                            }
                            worklist.push(element);
                        }
                    } else if (isNode(candidate)) {
                        worklist.push(new Element(candidate, key, null, null));
                    }
                }
            }
        }
    };

    Controller.prototype.replace = function replace(root, visitor) {
        var worklist,
            leavelist,
            node,
            nodeType,
            target,
            element,
            current,
            current2,
            candidates,
            candidate,
            sentinel,
            outer,
            key;

        function removeElem(element) {
            var i,
                key,
                nextElem,
                parent;

            if (element.ref.remove()) {
                // When the reference is an element of an array.
                key = element.ref.key;
                parent = element.ref.parent;

                // If removed from array, then decrease following items' keys.
                i = worklist.length;
                while (i--) {
                    nextElem = worklist[i];
                    if (nextElem.ref && nextElem.ref.parent === parent) {
                        if  (nextElem.ref.key < key) {
                            break;
                        }
                        --nextElem.ref.key;
                    }
                }
            }
        }

        this.__initialize(root, visitor);

        sentinel = {};

        // reference
        worklist = this.__worklist;
        leavelist = this.__leavelist;

        // initialize
        outer = {
            root: root
        };
        element = new Element(root, null, null, new Reference(outer, 'root'));
        worklist.push(element);
        leavelist.push(element);

        while (worklist.length) {
            element = worklist.pop();

            if (element === sentinel) {
                element = leavelist.pop();

                target = this.__execute(visitor.leave, element);

                // node may be replaced with null,
                // so distinguish between undefined and null in this place
                if (target !== undefined && target !== BREAK && target !== SKIP && target !== REMOVE) {
                    // replace
                    element.ref.replace(target);
                }

                if (this.__state === REMOVE || target === REMOVE) {
                    removeElem(element);
                }

                if (this.__state === BREAK || target === BREAK) {
                    return outer.root;
                }
                continue;
            }

            target = this.__execute(visitor.enter, element);

            // node may be replaced with null,
            // so distinguish between undefined and null in this place
            if (target !== undefined && target !== BREAK && target !== SKIP && target !== REMOVE) {
                // replace
                element.ref.replace(target);
                element.node = target;
            }

            if (this.__state === REMOVE || target === REMOVE) {
                removeElem(element);
                element.node = null;
            }

            if (this.__state === BREAK || target === BREAK) {
                return outer.root;
            }

            // node may be null
            node = element.node;
            if (!node) {
                continue;
            }

            worklist.push(sentinel);
            leavelist.push(element);

            if (this.__state === SKIP || target === SKIP) {
                continue;
            }

            nodeType = node.type || element.wrap;
            candidates = this.__keys[nodeType];
            if (!candidates) {
                if (this.__fallback) {
                    candidates = this.__fallback(node);
                } else {
                    throw new Error('Unknown node type ' + nodeType + '.');
                }
            }

            current = candidates.length;
            while ((current -= 1) >= 0) {
                key = candidates[current];
                candidate = node[key];
                if (!candidate) {
                    continue;
                }

                if (isArray(candidate)) {
                    current2 = candidate.length;
                    while ((current2 -= 1) >= 0) {
                        if (!candidate[current2]) {
                            continue;
                        }
                        if (isProperty(nodeType, candidates[current])) {
                            element = new Element(candidate[current2], [key, current2], 'Property', new Reference(candidate, current2));
                        } else if (isNode(candidate[current2])) {
                            element = new Element(candidate[current2], [key, current2], null, new Reference(candidate, current2));
                        } else {
                            continue;
                        }
                        worklist.push(element);
                    }
                } else if (isNode(candidate)) {
                    worklist.push(new Element(candidate, key, null, new Reference(node, key)));
                }
            }
        }

        return outer.root;
    };

    function traverse(root, visitor) {
        var controller = new Controller();
        return controller.traverse(root, visitor);
    }

    function replace(root, visitor) {
        var controller = new Controller();
        return controller.replace(root, visitor);
    }

    function extendCommentRange(comment, tokens) {
        var target;

        target = upperBound(tokens, function search(token) {
            return token.range[0] > comment.range[0];
        });

        comment.extendedRange = [comment.range[0], comment.range[1]];

        if (target !== tokens.length) {
            comment.extendedRange[1] = tokens[target].range[0];
        }

        target -= 1;
        if (target >= 0) {
            comment.extendedRange[0] = tokens[target].range[1];
        }

        return comment;
    }

    function attachComments(tree, providedComments, tokens) {
        // At first, we should calculate extended comment ranges.
        var comments = [], comment, len, i, cursor;

        if (!tree.range) {
            throw new Error('attachComments needs range information');
        }

        // tokens array is empty, we attach comments to tree as 'leadingComments'
        if (!tokens.length) {
            if (providedComments.length) {
                for (i = 0, len = providedComments.length; i < len; i += 1) {
                    comment = deepCopy(providedComments[i]);
                    comment.extendedRange = [0, tree.range[0]];
                    comments.push(comment);
                }
                tree.leadingComments = comments;
            }
            return tree;
        }

        for (i = 0, len = providedComments.length; i < len; i += 1) {
            comments.push(extendCommentRange(deepCopy(providedComments[i]), tokens));
        }

        // This is based on John Freeman's implementation.
        cursor = 0;
        traverse(tree, {
            enter: function (node) {
                var comment;

                while (cursor < comments.length) {
                    comment = comments[cursor];
                    if (comment.extendedRange[1] > node.range[0]) {
                        break;
                    }

                    if (comment.extendedRange[1] === node.range[0]) {
                        if (!node.leadingComments) {
                            node.leadingComments = [];
                        }
                        node.leadingComments.push(comment);
                        comments.splice(cursor, 1);
                    } else {
                        cursor += 1;
                    }
                }

                // already out of owned node
                if (cursor === comments.length) {
                    return VisitorOption.Break;
                }

                if (comments[cursor].extendedRange[0] > node.range[1]) {
                    return VisitorOption.Skip;
                }
            }
        });

        cursor = 0;
        traverse(tree, {
            leave: function (node) {
                var comment;

                while (cursor < comments.length) {
                    comment = comments[cursor];
                    if (node.range[1] < comment.extendedRange[0]) {
                        break;
                    }

                    if (node.range[1] === comment.extendedRange[0]) {
                        if (!node.trailingComments) {
                            node.trailingComments = [];
                        }
                        node.trailingComments.push(comment);
                        comments.splice(cursor, 1);
                    } else {
                        cursor += 1;
                    }
                }

                // already out of owned node
                if (cursor === comments.length) {
                    return VisitorOption.Break;
                }

                if (comments[cursor].extendedRange[0] > node.range[1]) {
                    return VisitorOption.Skip;
                }
            }
        });

        return tree;
    }

    exports.version = _dereq_('./package.json').version;
    exports.Syntax = Syntax;
    exports.traverse = traverse;
    exports.replace = replace;
    exports.attachComments = attachComments;
    exports.VisitorKeys = VisitorKeys;
    exports.VisitorOption = VisitorOption;
    exports.Controller = Controller;
    exports.cloneEnvironment = function () { return clone({}); };

    return exports;
}(exports));
/* vim: set sw=4 ts=4 et tw=80 : */

},{"./package.json":106}],106:[function(_dereq_,module,exports){
module.exports={"name":"estraverse","version":"4.2.0"}
},{}]},{},[1])(1)
});