remove node_modules

1 files changed, 0 insertions, 2860 deletions

diff --git a/node_modules/call-matcher/dist/call-matcher.js b/node_modules/call-matcher/dist/call-matcher.js
deleted file mode 100644
index c615bd1e1..000000000
--- a/node_modules/call-matcher/dist/call-matcher.js
+++ /dev/null
@@ -1,2860 +0,0 @@
-/**
- * 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)
-});
-