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@@ -1,2065 +0,0 @@
-/*!
- * https://github.com/es-shims/es5-shim
- * @license es5-shim Copyright 2009-2015 by contributors, MIT License
- * see https://github.com/es-shims/es5-shim/blob/master/LICENSE
- */
-
-// vim: ts=4 sts=4 sw=4 expandtab
-
-// Add semicolon to prevent IIFE from being passed as argument to concatenated 
code.
-;
-
-// UMD (Universal Module Definition)
-// see https://github.com/umdjs/umd/blob/master/templates/returnExports.js
-(function (root, factory) {
-    'use strict';
-
-    /* global define, exports, module */
-    if (typeof define === 'function' && define.amd) {
-        // AMD. Register as an anonymous module.
-        define(factory);
-    } else if (typeof exports === 'object') {
-        // Node. Does not work with strict CommonJS, but
-        // only CommonJS-like enviroments that support module.exports,
-        // like Node.
-        module.exports = factory();
-    } else {
-        // Browser globals (root is window)
-        root.returnExports = factory();
-    }
-}(this, function () {
-    /**
-     * Brings an environment as close to ECMAScript 5 compliance
-     * as is possible with the facilities of erstwhile engines.
-     *
-     * Annotated ES5: http://es5.github.com/ (specific links below)
-     * ES5 Spec: 
http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf
-     * Required reading: 
http://javascriptweblog.wordpress.com/2011/12/05/extending-javascript-natives/
-     */
-
-    // Shortcut to an often accessed properties, in order to avoid multiple
-    // dereference that costs universally. This also holds a reference to 
known-good
-    // functions.
-    var $Array = Array;
-    var ArrayPrototype = $Array.prototype;
-    var $Object = Object;
-    var ObjectPrototype = $Object.prototype;
-    var $Function = Function;
-    var FunctionPrototype = $Function.prototype;
-    var $String = String;
-    var StringPrototype = $String.prototype;
-    var $Number = Number;
-    var NumberPrototype = $Number.prototype;
-    var array_slice = ArrayPrototype.slice;
-    var array_splice = ArrayPrototype.splice;
-    var array_push = ArrayPrototype.push;
-    var array_unshift = ArrayPrototype.unshift;
-    var array_concat = ArrayPrototype.concat;
-    var array_join = ArrayPrototype.join;
-    var call = FunctionPrototype.call;
-    var apply = FunctionPrototype.apply;
-    var max = Math.max;
-    var min = Math.min;
-
-    // Having a toString local variable name breaks in Opera so use to_string.
-    var to_string = ObjectPrototype.toString;
-
-    /* global Symbol */
-    /* eslint-disable one-var-declaration-per-line, no-redeclare, 
max-statements-per-line */
-    var hasToStringTag = typeof Symbol === 'function' && typeof 
Symbol.toStringTag === 'symbol';
-    var isCallable; /* inlined from https://npmjs.com/is-callable */ var 
fnToStr = Function.prototype.toString, constructorRegex = /^\s*class /, 
isES6ClassFn = function isES6ClassFn(value) { try { var fnStr = 
fnToStr.call(value); var singleStripped = fnStr.replace(/\/\/.*\n/g, ''); var 
multiStripped = singleStripped.replace(/\/\*[.\s\S]*\*\//g, ''); var 
spaceStripped = multiStripped.replace(/\n/mg, ' ').replace(/ {2}/g, ' '); 
return constructorRegex.test(spaceStripped); } catch (e) { return false; /* not 
a function */ } }, tryFunctionObject = function tryFunctionObject(value) { try 
{ if (isES6ClassFn(value)) { return false; } fnToStr.call(value); return true; 
} catch (e) { return false; } }, fnClass = '[object Function]', genClass = 
'[object GeneratorFunction]', isCallable = function isCallable(value) { if 
(!value) { return false; } if (typeof value !== 'function' && typeof value !== 
'object') { return false; } if (hasToStringTag) { return 
tryFunctionObject(value); } if (isES6ClassF
 n(value)) { return false; } var strClass = to_string.call(value); return 
strClass === fnClass || strClass === genClass; };
-
-    var isRegex; /* inlined from https://npmjs.com/is-regex */ var regexExec = 
RegExp.prototype.exec, tryRegexExec = function tryRegexExec(value) { try { 
regexExec.call(value); return true; } catch (e) { return false; } }, regexClass 
= '[object RegExp]'; isRegex = function isRegex(value) { if (typeof value !== 
'object') { return false; } return hasToStringTag ? tryRegexExec(value) : 
to_string.call(value) === regexClass; };
-    var isString; /* inlined from https://npmjs.com/is-string */ var strValue 
= String.prototype.valueOf, tryStringObject = function tryStringObject(value) { 
try { strValue.call(value); return true; } catch (e) { return false; } }, 
stringClass = '[object String]'; isString = function isString(value) { if 
(typeof value === 'string') { return true; } if (typeof value !== 'object') { 
return false; } return hasToStringTag ? tryStringObject(value) : 
to_string.call(value) === stringClass; };
-    /* eslint-enable one-var-declaration-per-line, no-redeclare, 
max-statements-per-line */
-
-    /* inlined from http://npmjs.com/define-properties */
-    var supportsDescriptors = $Object.defineProperty && (function () {
-        try {
-            var obj = {};
-            $Object.defineProperty(obj, 'x', { enumerable: false, value: obj 
});
-            for (var _ in obj) { // jscs:ignore disallowUnusedVariables
-                return false;
-            }
-            return obj.x === obj;
-        } catch (e) { /* this is ES3 */
-            return false;
-        }
-    }());
-    var defineProperties = (function (has) {
-        // Define configurable, writable, and non-enumerable props
-        // if they don't exist.
-        var defineProperty;
-        if (supportsDescriptors) {
-            defineProperty = function (object, name, method, forceAssign) {
-                if (!forceAssign && (name in object)) {
-                    return;
-                }
-                $Object.defineProperty(object, name, {
-                    configurable: true,
-                    enumerable: false,
-                    writable: true,
-                    value: method
-                });
-            };
-        } else {
-            defineProperty = function (object, name, method, forceAssign) {
-                if (!forceAssign && (name in object)) {
-                    return;
-                }
-                object[name] = method;
-            };
-        }
-        return function defineProperties(object, map, forceAssign) {
-            for (var name in map) {
-                if (has.call(map, name)) {
-                    defineProperty(object, name, map[name], forceAssign);
-                }
-            }
-        };
-    }(ObjectPrototype.hasOwnProperty));
-
-    //
-    // Util
-    // ======
-    //
-
-    /* replaceable with https://npmjs.com/package/es-abstract 
/helpers/isPrimitive */
-    var isPrimitive = function isPrimitive(input) {
-        var type = typeof input;
-        return input === null || (type !== 'object' && type !== 'function');
-    };
-
-    var isActualNaN = $Number.isNaN || function isActualNaN(x) {
-        return x !== x;
-    };
-
-    var ES = {
-        // ES5 9.4
-        // http://es5.github.com/#x9.4
-        // http://jsperf.com/to-integer
-        /* replaceable with https://npmjs.com/package/es-abstract 
ES5.ToInteger */
-        ToInteger: function ToInteger(num) {
-            var n = +num;
-            if (isActualNaN(n)) {
-                n = 0;
-            } else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0)) {
-                n = (n > 0 || -1) * Math.floor(Math.abs(n));
-            }
-            return n;
-        },
-
-        /* replaceable with https://npmjs.com/package/es-abstract 
ES5.ToPrimitive */
-        ToPrimitive: function ToPrimitive(input) {
-            var val, valueOf, toStr;
-            if (isPrimitive(input)) {
-                return input;
-            }
-            valueOf = input.valueOf;
-            if (isCallable(valueOf)) {
-                val = valueOf.call(input);
-                if (isPrimitive(val)) {
-                    return val;
-                }
-            }
-            toStr = input.toString;
-            if (isCallable(toStr)) {
-                val = toStr.call(input);
-                if (isPrimitive(val)) {
-                    return val;
-                }
-            }
-            throw new TypeError();
-        },
-
-        // ES5 9.9
-        // http://es5.github.com/#x9.9
-        /* replaceable with https://npmjs.com/package/es-abstract ES5.ToObject 
*/
-        ToObject: function (o) {
-            if (o == null) { // this matches both null and undefined
-                throw new TypeError("can't convert " + o + ' to object');
-            }
-            return $Object(o);
-        },
-
-        /* replaceable with https://npmjs.com/package/es-abstract ES5.ToUint32 
*/
-        ToUint32: function ToUint32(x) {
-            return x >>> 0;
-        }
-    };
-
-    //
-    // Function
-    // ========
-    //
-
-    // ES-5 15.3.4.5
-    // http://es5.github.com/#x15.3.4.5
-
-    var Empty = function Empty() {};
-
-    defineProperties(FunctionPrototype, {
-        bind: function bind(that) { // .length is 1
-            // 1. Let Target be the this value.
-            var target = this;
-            // 2. If IsCallable(Target) is false, throw a TypeError exception.
-            if (!isCallable(target)) {
-                throw new TypeError('Function.prototype.bind called on 
incompatible ' + target);
-            }
-            // 3. Let A be a new (possibly empty) internal list of all of the
-            //   argument values provided after thisArg (arg1, arg2 etc), in 
order.
-            // XXX slicedArgs will stand in for "A" if used
-            var args = array_slice.call(arguments, 1); // for normal call
-            // 4. Let F be a new native ECMAScript object.
-            // 11. Set the [[Prototype]] internal property of F to the standard
-            //   built-in Function prototype object as specified in 15.3.3.1.
-            // 12. Set the [[Call]] internal property of F as described in
-            //   15.3.4.5.1.
-            // 13. Set the [[Construct]] internal property of F as described in
-            //   15.3.4.5.2.
-            // 14. Set the [[HasInstance]] internal property of F as described 
in
-            //   15.3.4.5.3.
-            var bound;
-            var binder = function () {
-
-                if (this instanceof bound) {
-                    // 15.3.4.5.2 [[Construct]]
-                    // When the [[Construct]] internal method of a function 
object,
-                    // F that was created using the bind function is called 
with a
-                    // list of arguments ExtraArgs, the following steps are 
taken:
-                    // 1. Let target be the value of F's [[TargetFunction]]
-                    //   internal property.
-                    // 2. If target has no [[Construct]] internal method, a
-                    //   TypeError exception is thrown.
-                    // 3. Let boundArgs be the value of F's [[BoundArgs]] 
internal
-                    //   property.
-                    // 4. Let args be a new list containing the same values as 
the
-                    //   list boundArgs in the same order followed by the same
-                    //   values as the list ExtraArgs in the same order.
-                    // 5. Return the result of calling the [[Construct]] 
internal
-                    //   method of target providing args as the arguments.
-
-                    var result = apply.call(
-                        target,
-                        this,
-                        array_concat.call(args, array_slice.call(arguments))
-                    );
-                    if ($Object(result) === result) {
-                        return result;
-                    }
-                    return this;
-
-                } else {
-                    // 15.3.4.5.1 [[Call]]
-                    // When the [[Call]] internal method of a function object, 
F,
-                    // which was created using the bind function is called 
with a
-                    // this value and a list of arguments ExtraArgs, the 
following
-                    // steps are taken:
-                    // 1. Let boundArgs be the value of F's [[BoundArgs]] 
internal
-                    //   property.
-                    // 2. Let boundThis be the value of F's [[BoundThis]] 
internal
-                    //   property.
-                    // 3. Let target be the value of F's [[TargetFunction]] 
internal
-                    //   property.
-                    // 4. Let args be a new list containing the same values as 
the
-                    //   list boundArgs in the same order followed by the same
-                    //   values as the list ExtraArgs in the same order.
-                    // 5. Return the result of calling the [[Call]] internal 
method
-                    //   of target providing boundThis as the this value and
-                    //   providing args as the arguments.
-
-                    // equiv: target.call(this, ...boundArgs, ...args)
-                    return apply.call(
-                        target,
-                        that,
-                        array_concat.call(args, array_slice.call(arguments))
-                    );
-
-                }
-
-            };
-
-            // 15. If the [[Class]] internal property of Target is "Function", 
then
-            //     a. Let L be the length property of Target minus the length 
of A.
-            //     b. Set the length own property of F to either 0 or L, 
whichever is
-            //       larger.
-            // 16. Else set the length own property of F to 0.
-
-            var boundLength = max(0, target.length - args.length);
-
-            // 17. Set the attributes of the length own property of F to the 
values
-            //   specified in 15.3.5.1.
-            var boundArgs = [];
-            for (var i = 0; i < boundLength; i++) {
-                array_push.call(boundArgs, '$' + i);
-            }
-
-            // XXX Build a dynamic function with desired amount of arguments 
is the only
-            // way to set the length property of a function.
-            // In environments where Content Security Policies enabled (Chrome 
extensions,
-            // for ex.) all use of eval or Function costructor throws an 
exception.
-            // However in all of these environments Function.prototype.bind 
exists
-            // and so this code will never be executed.
-            bound = $Function('binder', 'return function (' + 
array_join.call(boundArgs, ',') + '){ return binder.apply(this, arguments); 
}')(binder);
-
-            if (target.prototype) {
-                Empty.prototype = target.prototype;
-                bound.prototype = new Empty();
-                // Clean up dangling references.
-                Empty.prototype = null;
-            }
-
-            // TODO
-            // 18. Set the [[Extensible]] internal property of F to true.
-
-            // TODO
-            // 19. Let thrower be the [[ThrowTypeError]] function Object 
(13.2.3).
-            // 20. Call the [[DefineOwnProperty]] internal method of F with
-            //   arguments "caller", PropertyDescriptor {[[Get]]: thrower, 
[[Set]]:
-            //   thrower, [[Enumerable]]: false, [[Configurable]]: false}, and
-            //   false.
-            // 21. Call the [[DefineOwnProperty]] internal method of F with
-            //   arguments "arguments", PropertyDescriptor {[[Get]]: thrower,
-            //   [[Set]]: thrower, [[Enumerable]]: false, [[Configurable]]: 
false},
-            //   and false.
-
-            // TODO
-            // NOTE Function objects created using Function.prototype.bind do 
not
-            // have a prototype property or the [[Code]], 
[[FormalParameters]], and
-            // [[Scope]] internal properties.
-            // XXX can't delete prototype in pure-js.
-
-            // 22. Return F.
-            return bound;
-        }
-    });
-
-    // _Please note: Shortcuts are defined after `Function.prototype.bind` as 
we
-    // use it in defining shortcuts.
-    var owns = call.bind(ObjectPrototype.hasOwnProperty);
-    var toStr = call.bind(ObjectPrototype.toString);
-    var arraySlice = call.bind(array_slice);
-    var arraySliceApply = apply.bind(array_slice);
-    var strSlice = call.bind(StringPrototype.slice);
-    var strSplit = call.bind(StringPrototype.split);
-    var strIndexOf = call.bind(StringPrototype.indexOf);
-    var pushCall = call.bind(array_push);
-    var isEnum = call.bind(ObjectPrototype.propertyIsEnumerable);
-    var arraySort = call.bind(ArrayPrototype.sort);
-
-    //
-    // Array
-    // =====
-    //
-
-    var isArray = $Array.isArray || function isArray(obj) {
-        return toStr(obj) === '[object Array]';
-    };
-
-    // ES5 15.4.4.12
-    // http://es5.github.com/#x15.4.4.13
-    // Return len+argCount.
-    // [bugfix, ielt8]
-    // IE < 8 bug: [].unshift(0) === undefined but should be "1"
-    var hasUnshiftReturnValueBug = [].unshift(0) !== 1;
-    defineProperties(ArrayPrototype, {
-        unshift: function () {
-            array_unshift.apply(this, arguments);
-            return this.length;
-        }
-    }, hasUnshiftReturnValueBug);
-
-    // ES5 15.4.3.2
-    // http://es5.github.com/#x15.4.3.2
-    // 
https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/isArray
-    defineProperties($Array, { isArray: isArray });
-
-    // The IsCallable() check in the Array functions
-    // has been replaced with a strict check on the
-    // internal class of the object to trap cases where
-    // the provided function was actually a regular
-    // expression literal, which in V8 and
-    // JavaScriptCore is a typeof "function".  Only in
-    // V8 are regular expression literals permitted as
-    // reduce parameters, so it is desirable in the
-    // general case for the shim to match the more
-    // strict and common behavior of rejecting regular
-    // expressions.
-
-    // ES5 15.4.4.18
-    // http://es5.github.com/#x15.4.4.18
-    // 
https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/array/forEach
-
-    // Check failure of by-index access of string characters (IE < 9)
-    // and failure of `0 in boxedString` (Rhino)
-    var boxedString = $Object('a');
-    var splitString = boxedString[0] !== 'a' || !(0 in boxedString);
-
-    var properlyBoxesContext = function properlyBoxed(method) {
-        // Check node 0.6.21 bug where third parameter is not boxed
-        var properlyBoxesNonStrict = true;
-        var properlyBoxesStrict = true;
-        var threwException = false;
-        if (method) {
-            try {
-                method.call('foo', function (_, __, context) {
-                    if (typeof context !== 'object') {
-                        properlyBoxesNonStrict = false;
-                    }
-                });
-
-                method.call([1], function () {
-                    'use strict';
-
-                    properlyBoxesStrict = typeof this === 'string';
-                }, 'x');
-            } catch (e) {
-                threwException = true;
-            }
-        }
-        return !!method && !threwException && properlyBoxesNonStrict && 
properlyBoxesStrict;
-    };
-
-    defineProperties(ArrayPrototype, {
-        forEach: function forEach(callbackfn/*, thisArg*/) {
-            var object = ES.ToObject(this);
-            var self = splitString && isString(this) ? strSplit(this, '') : 
object;
-            var i = -1;
-            var length = ES.ToUint32(self.length);
-            var T;
-            if (arguments.length > 1) {
-                T = arguments[1];
-            }
-
-            // If no callback function or if callback is not a callable 
function
-            if (!isCallable(callbackfn)) {
-                throw new TypeError('Array.prototype.forEach callback must be 
a function');
-            }
-
-            while (++i < length) {
-                if (i in self) {
-                    // Invoke the callback function with call, passing 
arguments:
-                    // context, property value, property key, thisArg object
-                    if (typeof T === 'undefined') {
-                        callbackfn(self[i], i, object);
-                    } else {
-                        callbackfn.call(T, self[i], i, object);
-                    }
-                }
-            }
-        }
-    }, !properlyBoxesContext(ArrayPrototype.forEach));
-
-    // ES5 15.4.4.19
-    // http://es5.github.com/#x15.4.4.19
-    // 
https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/map
-    defineProperties(ArrayPrototype, {
-        map: function map(callbackfn/*, thisArg*/) {
-            var object = ES.ToObject(this);
-            var self = splitString && isString(this) ? strSplit(this, '') : 
object;
-            var length = ES.ToUint32(self.length);
-            var result = $Array(length);
-            var T;
-            if (arguments.length > 1) {
-                T = arguments[1];
-            }
-
-            // If no callback function or if callback is not a callable 
function
-            if (!isCallable(callbackfn)) {
-                throw new TypeError('Array.prototype.map callback must be a 
function');
-            }
-
-            for (var i = 0; i < length; i++) {
-                if (i in self) {
-                    if (typeof T === 'undefined') {
-                        result[i] = callbackfn(self[i], i, object);
-                    } else {
-                        result[i] = callbackfn.call(T, self[i], i, object);
-                    }
-                }
-            }
-            return result;
-        }
-    }, !properlyBoxesContext(ArrayPrototype.map));
-
-    // ES5 15.4.4.20
-    // http://es5.github.com/#x15.4.4.20
-    // 
https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/filter
-    defineProperties(ArrayPrototype, {
-        filter: function filter(callbackfn/*, thisArg*/) {
-            var object = ES.ToObject(this);
-            var self = splitString && isString(this) ? strSplit(this, '') : 
object;
-            var length = ES.ToUint32(self.length);
-            var result = [];
-            var value;
-            var T;
-            if (arguments.length > 1) {
-                T = arguments[1];
-            }
-
-            // If no callback function or if callback is not a callable 
function
-            if (!isCallable(callbackfn)) {
-                throw new TypeError('Array.prototype.filter callback must be a 
function');
-            }
-
-            for (var i = 0; i < length; i++) {
-                if (i in self) {
-                    value = self[i];
-                    if (typeof T === 'undefined' ? callbackfn(value, i, 
object) : callbackfn.call(T, value, i, object)) {
-                        pushCall(result, value);
-                    }
-                }
-            }
-            return result;
-        }
-    }, !properlyBoxesContext(ArrayPrototype.filter));
-
-    // ES5 15.4.4.16
-    // http://es5.github.com/#x15.4.4.16
-    // 
https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/every
-    defineProperties(ArrayPrototype, {
-        every: function every(callbackfn/*, thisArg*/) {
-            var object = ES.ToObject(this);
-            var self = splitString && isString(this) ? strSplit(this, '') : 
object;
-            var length = ES.ToUint32(self.length);
-            var T;
-            if (arguments.length > 1) {
-                T = arguments[1];
-            }
-
-            // If no callback function or if callback is not a callable 
function
-            if (!isCallable(callbackfn)) {
-                throw new TypeError('Array.prototype.every callback must be a 
function');
-            }
-
-            for (var i = 0; i < length; i++) {
-                if (i in self && !(typeof T === 'undefined' ? 
callbackfn(self[i], i, object) : callbackfn.call(T, self[i], i, object))) {
-                    return false;
-                }
-            }
-            return true;
-        }
-    }, !properlyBoxesContext(ArrayPrototype.every));
-
-    // ES5 15.4.4.17
-    // http://es5.github.com/#x15.4.4.17
-    // 
https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/some
-    defineProperties(ArrayPrototype, {
-        some: function some(callbackfn/*, thisArg */) {
-            var object = ES.ToObject(this);
-            var self = splitString && isString(this) ? strSplit(this, '') : 
object;
-            var length = ES.ToUint32(self.length);
-            var T;
-            if (arguments.length > 1) {
-                T = arguments[1];
-            }
-
-            // If no callback function or if callback is not a callable 
function
-            if (!isCallable(callbackfn)) {
-                throw new TypeError('Array.prototype.some callback must be a 
function');
-            }
-
-            for (var i = 0; i < length; i++) {
-                if (i in self && (typeof T === 'undefined' ? 
callbackfn(self[i], i, object) : callbackfn.call(T, self[i], i, object))) {
-                    return true;
-                }
-            }
-            return false;
-        }
-    }, !properlyBoxesContext(ArrayPrototype.some));
-
-    // ES5 15.4.4.21
-    // http://es5.github.com/#x15.4.4.21
-    // 
https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/reduce
-    var reduceCoercesToObject = false;
-    if (ArrayPrototype.reduce) {
-        reduceCoercesToObject = typeof ArrayPrototype.reduce.call('es5', 
function (_, __, ___, list) {
-            return list;
-        }) === 'object';
-    }
-    defineProperties(ArrayPrototype, {
-        reduce: function reduce(callbackfn/*, initialValue*/) {
-            var object = ES.ToObject(this);
-            var self = splitString && isString(this) ? strSplit(this, '') : 
object;
-            var length = ES.ToUint32(self.length);
-
-            // If no callback function or if callback is not a callable 
function
-            if (!isCallable(callbackfn)) {
-                throw new TypeError('Array.prototype.reduce callback must be a 
function');
-            }
-
-            // no value to return if no initial value and an empty array
-            if (length === 0 && arguments.length === 1) {
-                throw new TypeError('reduce of empty array with no initial 
value');
-            }
-
-            var i = 0;
-            var result;
-            if (arguments.length >= 2) {
-                result = arguments[1];
-            } else {
-                do {
-                    if (i in self) {
-                        result = self[i++];
-                        break;
-                    }
-
-                    // if array contains no values, no initial value to return
-                    if (++i >= length) {
-                        throw new TypeError('reduce of empty array with no 
initial value');
-                    }
-                } while (true);
-            }
-
-            for (; i < length; i++) {
-                if (i in self) {
-                    result = callbackfn(result, self[i], i, object);
-                }
-            }
-
-            return result;
-        }
-    }, !reduceCoercesToObject);
-
-    // ES5 15.4.4.22
-    // http://es5.github.com/#x15.4.4.22
-    // 
https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/reduceRight
-    var reduceRightCoercesToObject = false;
-    if (ArrayPrototype.reduceRight) {
-        reduceRightCoercesToObject = typeof 
ArrayPrototype.reduceRight.call('es5', function (_, __, ___, list) {
-            return list;
-        }) === 'object';
-    }
-    defineProperties(ArrayPrototype, {
-        reduceRight: function reduceRight(callbackfn/*, initial*/) {
-            var object = ES.ToObject(this);
-            var self = splitString && isString(this) ? strSplit(this, '') : 
object;
-            var length = ES.ToUint32(self.length);
-
-            // If no callback function or if callback is not a callable 
function
-            if (!isCallable(callbackfn)) {
-                throw new TypeError('Array.prototype.reduceRight callback must 
be a function');
-            }
-
-            // no value to return if no initial value, empty array
-            if (length === 0 && arguments.length === 1) {
-                throw new TypeError('reduceRight of empty array with no 
initial value');
-            }
-
-            var result;
-            var i = length - 1;
-            if (arguments.length >= 2) {
-                result = arguments[1];
-            } else {
-                do {
-                    if (i in self) {
-                        result = self[i--];
-                        break;
-                    }
-
-                    // if array contains no values, no initial value to return
-                    if (--i < 0) {
-                        throw new TypeError('reduceRight of empty array with 
no initial value');
-                    }
-                } while (true);
-            }
-
-            if (i < 0) {
-                return result;
-            }
-
-            do {
-                if (i in self) {
-                    result = callbackfn(result, self[i], i, object);
-                }
-            } while (i--);
-
-            return result;
-        }
-    }, !reduceRightCoercesToObject);
-
-    // ES5 15.4.4.14
-    // http://es5.github.com/#x15.4.4.14
-    // 
https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/indexOf
-    var hasFirefox2IndexOfBug = ArrayPrototype.indexOf && [0, 1].indexOf(1, 2) 
!== -1;
-    defineProperties(ArrayPrototype, {
-        indexOf: function indexOf(searchElement/*, fromIndex */) {
-            var self = splitString && isString(this) ? strSplit(this, '') : 
ES.ToObject(this);
-            var length = ES.ToUint32(self.length);
-
-            if (length === 0) {
-                return -1;
-            }
-
-            var i = 0;
-            if (arguments.length > 1) {
-                i = ES.ToInteger(arguments[1]);
-            }
-
-            // handle negative indices
-            i = i >= 0 ? i : max(0, length + i);
-            for (; i < length; i++) {
-                if (i in self && self[i] === searchElement) {
-                    return i;
-                }
-            }
-            return -1;
-        }
-    }, hasFirefox2IndexOfBug);
-
-    // ES5 15.4.4.15
-    // http://es5.github.com/#x15.4.4.15
-    // 
https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/lastIndexOf
-    var hasFirefox2LastIndexOfBug = ArrayPrototype.lastIndexOf && [0, 
1].lastIndexOf(0, -3) !== -1;
-    defineProperties(ArrayPrototype, {
-        lastIndexOf: function lastIndexOf(searchElement/*, fromIndex */) {
-            var self = splitString && isString(this) ? strSplit(this, '') : 
ES.ToObject(this);
-            var length = ES.ToUint32(self.length);
-
-            if (length === 0) {
-                return -1;
-            }
-            var i = length - 1;
-            if (arguments.length > 1) {
-                i = min(i, ES.ToInteger(arguments[1]));
-            }
-            // handle negative indices
-            i = i >= 0 ? i : length - Math.abs(i);
-            for (; i >= 0; i--) {
-                if (i in self && searchElement === self[i]) {
-                    return i;
-                }
-            }
-            return -1;
-        }
-    }, hasFirefox2LastIndexOfBug);
-
-    // ES5 15.4.4.12
-    // http://es5.github.com/#x15.4.4.12
-    var spliceNoopReturnsEmptyArray = (function () {
-        var a = [1, 2];
-        var result = a.splice();
-        return a.length === 2 && isArray(result) && result.length === 0;
-    }());
-    defineProperties(ArrayPrototype, {
-        // Safari 5.0 bug where .splice() returns undefined
-        splice: function splice(start, deleteCount) {
-            if (arguments.length === 0) {
-                return [];
-            } else {
-                return array_splice.apply(this, arguments);
-            }
-        }
-    }, !spliceNoopReturnsEmptyArray);
-
-    var spliceWorksWithEmptyObject = (function () {
-        var obj = {};
-        ArrayPrototype.splice.call(obj, 0, 0, 1);
-        return obj.length === 1;
-    }());
-    defineProperties(ArrayPrototype, {
-        splice: function splice(start, deleteCount) {
-            if (arguments.length === 0) {
-                return [];
-            }
-            var args = arguments;
-            this.length = max(ES.ToInteger(this.length), 0);
-            if (arguments.length > 0 && typeof deleteCount !== 'number') {
-                args = arraySlice(arguments);
-                if (args.length < 2) {
-                    pushCall(args, this.length - start);
-                } else {
-                    args[1] = ES.ToInteger(deleteCount);
-                }
-            }
-            return array_splice.apply(this, args);
-        }
-    }, !spliceWorksWithEmptyObject);
-    var spliceWorksWithLargeSparseArrays = (function () {
-        // Per https://github.com/es-shims/es5-shim/issues/295
-        // Safari 7/8 breaks with sparse arrays of size 1e5 or greater
-        var arr = new $Array(1e5);
-        // note: the index MUST be 8 or larger or the test will false pass
-        arr[8] = 'x';
-        arr.splice(1, 1);
-        // note: this test must be defined *after* the indexOf shim
-        // per https://github.com/es-shims/es5-shim/issues/313
-        return arr.indexOf('x') === 7;
-    }());
-    var spliceWorksWithSmallSparseArrays = (function () {
-        // Per https://github.com/es-shims/es5-shim/issues/295
-        // Opera 12.15 breaks on this, no idea why.
-        var n = 256;
-        var arr = [];
-        arr[n] = 'a';
-        arr.splice(n + 1, 0, 'b');
-        return arr[n] === 'a';
-    }());
-    defineProperties(ArrayPrototype, {
-        splice: function splice(start, deleteCount) {
-            var O = ES.ToObject(this);
-            var A = [];
-            var len = ES.ToUint32(O.length);
-            var relativeStart = ES.ToInteger(start);
-            var actualStart = relativeStart < 0 ? max((len + relativeStart), 
0) : min(relativeStart, len);
-            var actualDeleteCount = min(max(ES.ToInteger(deleteCount), 0), len 
- actualStart);
-
-            var k = 0;
-            var from;
-            while (k < actualDeleteCount) {
-                from = $String(actualStart + k);
-                if (owns(O, from)) {
-                    A[k] = O[from];
-                }
-                k += 1;
-            }
-
-            var items = arraySlice(arguments, 2);
-            var itemCount = items.length;
-            var to;
-            if (itemCount < actualDeleteCount) {
-                k = actualStart;
-                var maxK = len - actualDeleteCount;
-                while (k < maxK) {
-                    from = $String(k + actualDeleteCount);
-                    to = $String(k + itemCount);
-                    if (owns(O, from)) {
-                        O[to] = O[from];
-                    } else {
-                        delete O[to];
-                    }
-                    k += 1;
-                }
-                k = len;
-                var minK = len - actualDeleteCount + itemCount;
-                while (k > minK) {
-                    delete O[k - 1];
-                    k -= 1;
-                }
-            } else if (itemCount > actualDeleteCount) {
-                k = len - actualDeleteCount;
-                while (k > actualStart) {
-                    from = $String(k + actualDeleteCount - 1);
-                    to = $String(k + itemCount - 1);
-                    if (owns(O, from)) {
-                        O[to] = O[from];
-                    } else {
-                        delete O[to];
-                    }
-                    k -= 1;
-                }
-            }
-            k = actualStart;
-            for (var i = 0; i < items.length; ++i) {
-                O[k] = items[i];
-                k += 1;
-            }
-            O.length = len - actualDeleteCount + itemCount;
-
-            return A;
-        }
-    }, !spliceWorksWithLargeSparseArrays || !spliceWorksWithSmallSparseArrays);
-
-    var originalJoin = ArrayPrototype.join;
-    var hasStringJoinBug;
-    try {
-        hasStringJoinBug = Array.prototype.join.call('123', ',') !== '1,2,3';
-    } catch (e) {
-        hasStringJoinBug = true;
-    }
-    if (hasStringJoinBug) {
-        defineProperties(ArrayPrototype, {
-            join: function join(separator) {
-                var sep = typeof separator === 'undefined' ? ',' : separator;
-                return originalJoin.call(isString(this) ? strSplit(this, '') : 
this, sep);
-            }
-        }, hasStringJoinBug);
-    }
-
-    var hasJoinUndefinedBug = [1, 2].join(undefined) !== '1,2';
-    if (hasJoinUndefinedBug) {
-        defineProperties(ArrayPrototype, {
-            join: function join(separator) {
-                var sep = typeof separator === 'undefined' ? ',' : separator;
-                return originalJoin.call(this, sep);
-            }
-        }, hasJoinUndefinedBug);
-    }
-
-    var pushShim = function push(item) {
-        var O = ES.ToObject(this);
-        var n = ES.ToUint32(O.length);
-        var i = 0;
-        while (i < arguments.length) {
-            O[n + i] = arguments[i];
-            i += 1;
-        }
-        O.length = n + i;
-        return n + i;
-    };
-
-    var pushIsNotGeneric = (function () {
-        var obj = {};
-        var result = Array.prototype.push.call(obj, undefined);
-        return result !== 1 || obj.length !== 1 || typeof obj[0] !== 
'undefined' || !owns(obj, 0);
-    }());
-    defineProperties(ArrayPrototype, {
-        push: function push(item) {
-            if (isArray(this)) {
-                return array_push.apply(this, arguments);
-            }
-            return pushShim.apply(this, arguments);
-        }
-    }, pushIsNotGeneric);
-
-    // This fixes a very weird bug in Opera 10.6 when pushing `undefined
-    var pushUndefinedIsWeird = (function () {
-        var arr = [];
-        var result = arr.push(undefined);
-        return result !== 1 || arr.length !== 1 || typeof arr[0] !== 
'undefined' || !owns(arr, 0);
-    }());
-    defineProperties(ArrayPrototype, { push: pushShim }, pushUndefinedIsWeird);
-
-    // ES5 15.2.3.14
-    // http://es5.github.io/#x15.4.4.10
-    // Fix boxed string bug
-    defineProperties(ArrayPrototype, {
-        slice: function (start, end) {
-            var arr = isString(this) ? strSplit(this, '') : this;
-            return arraySliceApply(arr, arguments);
-        }
-    }, splitString);
-
-    var sortIgnoresNonFunctions = (function () {
-        try {
-            [1, 2].sort(null);
-            [1, 2].sort({});
-            return true;
-        } catch (e) {}
-        return false;
-    }());
-    var sortThrowsOnRegex = (function () {
-        // this is a problem in Firefox 4, in which `typeof /a/ === 'function'`
-        try {
-            [1, 2].sort(/a/);
-            return false;
-        } catch (e) {}
-        return true;
-    }());
-    var sortIgnoresUndefined = (function () {
-        // applies in IE 8, for one.
-        try {
-            [1, 2].sort(undefined);
-            return true;
-        } catch (e) {}
-        return false;
-    }());
-    defineProperties(ArrayPrototype, {
-        sort: function sort(compareFn) {
-            if (typeof compareFn === 'undefined') {
-                return arraySort(this);
-            }
-            if (!isCallable(compareFn)) {
-                throw new TypeError('Array.prototype.sort callback must be a 
function');
-            }
-            return arraySort(this, compareFn);
-        }
-    }, sortIgnoresNonFunctions || !sortIgnoresUndefined || !sortThrowsOnRegex);
-
-    //
-    // Object
-    // ======
-    //
-
-    // ES5 15.2.3.14
-    // http://es5.github.com/#x15.2.3.14
-
-    // 
http://whattheheadsaid.com/2010/10/a-safer-object-keys-compatibility-implementation
-    var hasDontEnumBug = !isEnum({ 'toString': null }, 'toString');
-    var hasProtoEnumBug = isEnum(function () {}, 'prototype');
-    var hasStringEnumBug = !owns('x', '0');
-    var equalsConstructorPrototype = function (o) {
-        var ctor = o.constructor;
-        return ctor && ctor.prototype === o;
-    };
-    var blacklistedKeys = {
-        $window: true,
-        $console: true,
-        $parent: true,
-        $self: true,
-        $frame: true,
-        $frames: true,
-        $frameElement: true,
-        $webkitIndexedDB: true,
-        $webkitStorageInfo: true,
-        $external: true
-    };
-    var hasAutomationEqualityBug = (function () {
-        /* globals window */
-        if (typeof window === 'undefined') {
-            return false;
-        }
-        for (var k in window) {
-            try {
-                if (!blacklistedKeys['$' + k] && owns(window, k) && window[k] 
!== null && typeof window[k] === 'object') {
-                    equalsConstructorPrototype(window[k]);
-                }
-            } catch (e) {
-                return true;
-            }
-        }
-        return false;
-    }());
-    var equalsConstructorPrototypeIfNotBuggy = function (object) {
-        if (typeof window === 'undefined' || !hasAutomationEqualityBug) {
-            return equalsConstructorPrototype(object);
-        }
-        try {
-            return equalsConstructorPrototype(object);
-        } catch (e) {
-            return false;
-        }
-    };
-    var dontEnums = [
-        'toString',
-        'toLocaleString',
-        'valueOf',
-        'hasOwnProperty',
-        'isPrototypeOf',
-        'propertyIsEnumerable',
-        'constructor'
-    ];
-    var dontEnumsLength = dontEnums.length;
-
-    // taken directly from 
https://github.com/ljharb/is-arguments/blob/master/index.js
-    // can be replaced with require('is-arguments') if we ever use a build 
process instead
-    var isStandardArguments = function isArguments(value) {
-        return toStr(value) === '[object Arguments]';
-    };
-    var isLegacyArguments = function isArguments(value) {
-        return value !== null &&
-            typeof value === 'object' &&
-            typeof value.length === 'number' &&
-            value.length >= 0 &&
-            !isArray(value) &&
-            isCallable(value.callee);
-    };
-    var isArguments = isStandardArguments(arguments) ? isStandardArguments : 
isLegacyArguments;
-
-    defineProperties($Object, {
-        keys: function keys(object) {
-            var isFn = isCallable(object);
-            var isArgs = isArguments(object);
-            var isObject = object !== null && typeof object === 'object';
-            var isStr = isObject && isString(object);
-
-            if (!isObject && !isFn && !isArgs) {
-                throw new TypeError('Object.keys called on a non-object');
-            }
-
-            var theKeys = [];
-            var skipProto = hasProtoEnumBug && isFn;
-            if ((isStr && hasStringEnumBug) || isArgs) {
-                for (var i = 0; i < object.length; ++i) {
-                    pushCall(theKeys, $String(i));
-                }
-            }
-
-            if (!isArgs) {
-                for (var name in object) {
-                    if (!(skipProto && name === 'prototype') && owns(object, 
name)) {
-                        pushCall(theKeys, $String(name));
-                    }
-                }
-            }
-
-            if (hasDontEnumBug) {
-                var skipConstructor = 
equalsConstructorPrototypeIfNotBuggy(object);
-                for (var j = 0; j < dontEnumsLength; j++) {
-                    var dontEnum = dontEnums[j];
-                    if (!(skipConstructor && dontEnum === 'constructor') && 
owns(object, dontEnum)) {
-                        pushCall(theKeys, dontEnum);
-                    }
-                }
-            }
-            return theKeys;
-        }
-    });
-
-    var keysWorksWithArguments = $Object.keys && (function () {
-        // Safari 5.0 bug
-        return $Object.keys(arguments).length === 2;
-    }(1, 2));
-    var keysHasArgumentsLengthBug = $Object.keys && (function () {
-        var argKeys = $Object.keys(arguments);
-        return arguments.length !== 1 || argKeys.length !== 1 || argKeys[0] 
!== 1;
-    }(1));
-    var originalKeys = $Object.keys;
-    defineProperties($Object, {
-        keys: function keys(object) {
-            if (isArguments(object)) {
-                return originalKeys(arraySlice(object));
-            } else {
-                return originalKeys(object);
-            }
-        }
-    }, !keysWorksWithArguments || keysHasArgumentsLengthBug);
-
-    //
-    // Date
-    // ====
-    //
-
-    var hasNegativeMonthYearBug = new Date(-3509827329600292).getUTCMonth() 
!== 0;
-    var aNegativeTestDate = new Date(-1509842289600292);
-    var aPositiveTestDate = new Date(1449662400000);
-    var hasToUTCStringFormatBug = aNegativeTestDate.toUTCString() !== 'Mon, 01 
Jan -45875 11:59:59 GMT';
-    var hasToDateStringFormatBug;
-    var hasToStringFormatBug;
-    var timeZoneOffset = aNegativeTestDate.getTimezoneOffset();
-    if (timeZoneOffset < -720) {
-        hasToDateStringFormatBug = aNegativeTestDate.toDateString() !== 'Tue 
Jan 02 -45875';
-        hasToStringFormatBug = !(/^Thu Dec 10 2015 \d\d:\d\d:\d\d 
GMT[-\+]\d\d\d\d(?: |$)/).test(aPositiveTestDate.toString());
-    } else {
-        hasToDateStringFormatBug = aNegativeTestDate.toDateString() !== 'Mon 
Jan 01 -45875';
-        hasToStringFormatBug = !(/^Wed Dec 09 2015 \d\d:\d\d:\d\d 
GMT[-\+]\d\d\d\d(?: |$)/).test(aPositiveTestDate.toString());
-    }
-
-    var originalGetFullYear = call.bind(Date.prototype.getFullYear);
-    var originalGetMonth = call.bind(Date.prototype.getMonth);
-    var originalGetDate = call.bind(Date.prototype.getDate);
-    var originalGetUTCFullYear = call.bind(Date.prototype.getUTCFullYear);
-    var originalGetUTCMonth = call.bind(Date.prototype.getUTCMonth);
-    var originalGetUTCDate = call.bind(Date.prototype.getUTCDate);
-    var originalGetUTCDay = call.bind(Date.prototype.getUTCDay);
-    var originalGetUTCHours = call.bind(Date.prototype.getUTCHours);
-    var originalGetUTCMinutes = call.bind(Date.prototype.getUTCMinutes);
-    var originalGetUTCSeconds = call.bind(Date.prototype.getUTCSeconds);
-    var originalGetUTCMilliseconds = 
call.bind(Date.prototype.getUTCMilliseconds);
-    var dayName = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
-    var monthName = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 
'Sep', 'Oct', 'Nov', 'Dec'];
-    var daysInMonth = function daysInMonth(month, year) {
-        return originalGetDate(new Date(year, month, 0));
-    };
-
-    defineProperties(Date.prototype, {
-        getFullYear: function getFullYear() {
-            if (!this || !(this instanceof Date)) {
-                throw new TypeError('this is not a Date object.');
-            }
-            var year = originalGetFullYear(this);
-            if (year < 0 && originalGetMonth(this) > 11) {
-                return year + 1;
-            }
-            return year;
-        },
-        getMonth: function getMonth() {
-            if (!this || !(this instanceof Date)) {
-                throw new TypeError('this is not a Date object.');
-            }
-            var year = originalGetFullYear(this);
-            var month = originalGetMonth(this);
-            if (year < 0 && month > 11) {
-                return 0;
-            }
-            return month;
-        },
-        getDate: function getDate() {
-            if (!this || !(this instanceof Date)) {
-                throw new TypeError('this is not a Date object.');
-            }
-            var year = originalGetFullYear(this);
-            var month = originalGetMonth(this);
-            var date = originalGetDate(this);
-            if (year < 0 && month > 11) {
-                if (month === 12) {
-                    return date;
-                }
-                var days = daysInMonth(0, year + 1);
-                return (days - date) + 1;
-            }
-            return date;
-        },
-        getUTCFullYear: function getUTCFullYear() {
-            if (!this || !(this instanceof Date)) {
-                throw new TypeError('this is not a Date object.');
-            }
-            var year = originalGetUTCFullYear(this);
-            if (year < 0 && originalGetUTCMonth(this) > 11) {
-                return year + 1;
-            }
-            return year;
-        },
-        getUTCMonth: function getUTCMonth() {
-            if (!this || !(this instanceof Date)) {
-                throw new TypeError('this is not a Date object.');
-            }
-            var year = originalGetUTCFullYear(this);
-            var month = originalGetUTCMonth(this);
-            if (year < 0 && month > 11) {
-                return 0;
-            }
-            return month;
-        },
-        getUTCDate: function getUTCDate() {
-            if (!this || !(this instanceof Date)) {
-                throw new TypeError('this is not a Date object.');
-            }
-            var year = originalGetUTCFullYear(this);
-            var month = originalGetUTCMonth(this);
-            var date = originalGetUTCDate(this);
-            if (year < 0 && month > 11) {
-                if (month === 12) {
-                    return date;
-                }
-                var days = daysInMonth(0, year + 1);
-                return (days - date) + 1;
-            }
-            return date;
-        }
-    }, hasNegativeMonthYearBug);
-
-    defineProperties(Date.prototype, {
-        toUTCString: function toUTCString() {
-            if (!this || !(this instanceof Date)) {
-                throw new TypeError('this is not a Date object.');
-            }
-            var day = originalGetUTCDay(this);
-            var date = originalGetUTCDate(this);
-            var month = originalGetUTCMonth(this);
-            var year = originalGetUTCFullYear(this);
-            var hour = originalGetUTCHours(this);
-            var minute = originalGetUTCMinutes(this);
-            var second = originalGetUTCSeconds(this);
-            return dayName[day] + ', ' +
-                (date < 10 ? '0' + date : date) + ' ' +
-                monthName[month] + ' ' +
-                year + ' ' +
-                (hour < 10 ? '0' + hour : hour) + ':' +
-                (minute < 10 ? '0' + minute : minute) + ':' +
-                (second < 10 ? '0' + second : second) + ' GMT';
-        }
-    }, hasNegativeMonthYearBug || hasToUTCStringFormatBug);
-
-    // Opera 12 has `,`
-    defineProperties(Date.prototype, {
-        toDateString: function toDateString() {
-            if (!this || !(this instanceof Date)) {
-                throw new TypeError('this is not a Date object.');
-            }
-            var day = this.getDay();
-            var date = this.getDate();
-            var month = this.getMonth();
-            var year = this.getFullYear();
-            return dayName[day] + ' ' +
-                monthName[month] + ' ' +
-                (date < 10 ? '0' + date : date) + ' ' +
-                year;
-        }
-    }, hasNegativeMonthYearBug || hasToDateStringFormatBug);
-
-    // can't use defineProperties here because of toString enumeration issue 
in IE <= 8
-    if (hasNegativeMonthYearBug || hasToStringFormatBug) {
-        Date.prototype.toString = function toString() {
-            if (!this || !(this instanceof Date)) {
-                throw new TypeError('this is not a Date object.');
-            }
-            var day = this.getDay();
-            var date = this.getDate();
-            var month = this.getMonth();
-            var year = this.getFullYear();
-            var hour = this.getHours();
-            var minute = this.getMinutes();
-            var second = this.getSeconds();
-            var timezoneOffset = this.getTimezoneOffset();
-            var hoursOffset = Math.floor(Math.abs(timezoneOffset) / 60);
-            var minutesOffset = Math.floor(Math.abs(timezoneOffset) % 60);
-            return dayName[day] + ' ' +
-                monthName[month] + ' ' +
-                (date < 10 ? '0' + date : date) + ' ' +
-                year + ' ' +
-                (hour < 10 ? '0' + hour : hour) + ':' +
-                (minute < 10 ? '0' + minute : minute) + ':' +
-                (second < 10 ? '0' + second : second) + ' GMT' +
-                (timezoneOffset > 0 ? '-' : '+') +
-                (hoursOffset < 10 ? '0' + hoursOffset : hoursOffset) +
-                (minutesOffset < 10 ? '0' + minutesOffset : minutesOffset);
-        };
-        if (supportsDescriptors) {
-            $Object.defineProperty(Date.prototype, 'toString', {
-                configurable: true,
-                enumerable: false,
-                writable: true
-            });
-        }
-    }
-
-    // ES5 15.9.5.43
-    // http://es5.github.com/#x15.9.5.43
-    // This function returns a String value represent the instance in time
-    // represented by this Date object. The format of the String is the Date 
Time
-    // string format defined in 15.9.1.15. All fields are present in the 
String.
-    // The time zone is always UTC, denoted by the suffix Z. If the time value 
of
-    // this object is not a finite Number a RangeError exception is thrown.
-    var negativeDate = -62198755200000;
-    var negativeYearString = '-000001';
-    var hasNegativeDateBug = Date.prototype.toISOString && new 
Date(negativeDate).toISOString().indexOf(negativeYearString) === -1;
-    var hasSafari51DateBug = Date.prototype.toISOString && new 
Date(-1).toISOString() !== '1969-12-31T23:59:59.999Z';
-
-    var getTime = call.bind(Date.prototype.getTime);
-
-    defineProperties(Date.prototype, {
-        toISOString: function toISOString() {
-            if (!isFinite(this) || !isFinite(getTime(this))) {
-                // Adope Photoshop requires the second check.
-                throw new RangeError('Date.prototype.toISOString called on 
non-finite value.');
-            }
-
-            var year = originalGetUTCFullYear(this);
-
-            var month = originalGetUTCMonth(this);
-            // see https://github.com/es-shims/es5-shim/issues/111
-            year += Math.floor(month / 12);
-            month = (month % 12 + 12) % 12;
-
-            // the date time string format is specified in 15.9.1.15.
-            var result = [month + 1, originalGetUTCDate(this), 
originalGetUTCHours(this), originalGetUTCMinutes(this), 
originalGetUTCSeconds(this)];
-            year = (
-                (year < 0 ? '-' : (year > 9999 ? '+' : '')) +
-                strSlice('00000' + Math.abs(year), (0 <= year && year <= 9999) 
? -4 : -6)
-            );
-
-            for (var i = 0; i < result.length; ++i) {
-                // pad months, days, hours, minutes, and seconds to have two 
digits.
-                result[i] = strSlice('00' + result[i], -2);
-            }
-            // pad milliseconds to have three digits.
-            return (
-                year + '-' + arraySlice(result, 0, 2).join('-') +
-                'T' + arraySlice(result, 2).join(':') + '.' +
-                strSlice('000' + originalGetUTCMilliseconds(this), -3) + 'Z'
-            );
-        }
-    }, hasNegativeDateBug || hasSafari51DateBug);
-
-    // ES5 15.9.5.44
-    // http://es5.github.com/#x15.9.5.44
-    // This function provides a String representation of a Date object for use 
by
-    // JSON.stringify (15.12.3).
-    var dateToJSONIsSupported = (function () {
-        try {
-            return Date.prototype.toJSON &&
-                new Date(NaN).toJSON() === null &&
-                new Date(negativeDate).toJSON().indexOf(negativeYearString) 
!== -1 &&
-                Date.prototype.toJSON.call({ // generic
-                    toISOString: function () { return true; }
-                });
-        } catch (e) {
-            return false;
-        }
-    }());
-    if (!dateToJSONIsSupported) {
-        Date.prototype.toJSON = function toJSON(key) {
-            // When the toJSON method is called with argument key, the 
following
-            // steps are taken:
-
-            // 1.  Let O be the result of calling ToObject, giving it the this
-            // value as its argument.
-            // 2. Let tv be ES.ToPrimitive(O, hint Number).
-            var O = $Object(this);
-            var tv = ES.ToPrimitive(O);
-            // 3. If tv is a Number and is not finite, return null.
-            if (typeof tv === 'number' && !isFinite(tv)) {
-                return null;
-            }
-            // 4. Let toISO be the result of calling the [[Get]] internal 
method of
-            // O with argument "toISOString".
-            var toISO = O.toISOString;
-            // 5. If IsCallable(toISO) is false, throw a TypeError exception.
-            if (!isCallable(toISO)) {
-                throw new TypeError('toISOString property is not callable');
-            }
-            // 6. Return the result of calling the [[Call]] internal method of
-            //  toISO with O as the this value and an empty argument list.
-            return toISO.call(O);
-
-            // NOTE 1 The argument is ignored.
-
-            // NOTE 2 The toJSON function is intentionally generic; it does not
-            // require that its this value be a Date object. Therefore, it can 
be
-            // transferred to other kinds of objects for use as a method. 
However,
-            // it does require that any such object have a toISOString method. 
An
-            // object is free to use the argument key to filter its
-            // stringification.
-        };
-    }
-
-    // ES5 15.9.4.2
-    // http://es5.github.com/#x15.9.4.2
-    // based on work shared by Daniel Friesen (dantman)
-    // http://gist.github.com/303249
-    var supportsExtendedYears = Date.parse('+033658-09-27T01:46:40.000Z') === 
1e15;
-    var acceptsInvalidDates = !isNaN(Date.parse('2012-04-04T24:00:00.500Z')) 
|| !isNaN(Date.parse('2012-11-31T23:59:59.000Z')) || 
!isNaN(Date.parse('2012-12-31T23:59:60.000Z'));
-    var doesNotParseY2KNewYear = isNaN(Date.parse('2000-01-01T00:00:00.000Z'));
-    if (doesNotParseY2KNewYear || acceptsInvalidDates || 
!supportsExtendedYears) {
-        // XXX global assignment won't work in embeddings that use
-        // an alternate object for the context.
-        /* global Date: true */
-        /* eslint-disable no-undef */
-        var maxSafeUnsigned32Bit = Math.pow(2, 31) - 1;
-        var hasSafariSignedIntBug = isActualNaN(new Date(1970, 0, 1, 0, 0, 0, 
maxSafeUnsigned32Bit + 1).getTime());
-        /* eslint-disable no-implicit-globals */
-        Date = (function (NativeDate) {
-        /* eslint-enable no-implicit-globals */
-        /* eslint-enable no-undef */
-            // Date.length === 7
-            var DateShim = function Date(Y, M, D, h, m, s, ms) {
-                var length = arguments.length;
-                var date;
-                if (this instanceof NativeDate) {
-                    var seconds = s;
-                    var millis = ms;
-                    if (hasSafariSignedIntBug && length >= 7 && ms > 
maxSafeUnsigned32Bit) {
-                        // work around a Safari 8/9 bug where it treats the 
seconds as signed
-                        var msToShift = Math.floor(ms / maxSafeUnsigned32Bit) 
* maxSafeUnsigned32Bit;
-                        var sToShift = Math.floor(msToShift / 1e3);
-                        seconds += sToShift;
-                        millis -= sToShift * 1e3;
-                    }
-                    date = length === 1 && $String(Y) === Y ? // isString(Y)
-                        // We explicitly pass it through parse:
-                        new NativeDate(DateShim.parse(Y)) :
-                        // We have to manually make calls depending on argument
-                        // length here
-                        length >= 7 ? new NativeDate(Y, M, D, h, m, seconds, 
millis) :
-                        length >= 6 ? new NativeDate(Y, M, D, h, m, seconds) :
-                        length >= 5 ? new NativeDate(Y, M, D, h, m) :
-                        length >= 4 ? new NativeDate(Y, M, D, h) :
-                        length >= 3 ? new NativeDate(Y, M, D) :
-                        length >= 2 ? new NativeDate(Y, M) :
-                        length >= 1 ? new NativeDate(Y instanceof NativeDate ? 
+Y : Y) :
-                                      new NativeDate();
-                } else {
-                    date = NativeDate.apply(this, arguments);
-                }
-                if (!isPrimitive(date)) {
-                    // Prevent mixups with unfixed Date object
-                    defineProperties(date, { constructor: DateShim }, true);
-                }
-                return date;
-            };
-
-            // 15.9.1.15 Date Time String Format.
-            var isoDateExpression = new RegExp('^' +
-                '(\\d{4}|[+-]\\d{6})' + // four-digit year capture or sign +
-                                          // 6-digit extended year
-                '(?:-(\\d{2})' + // optional month capture
-                '(?:-(\\d{2})' + // optional day capture
-                '(?:' + // capture hours:minutes:seconds.milliseconds
-                    'T(\\d{2})' + // hours capture
-                    ':(\\d{2})' + // minutes capture
-                    '(?:' + // optional :seconds.milliseconds
-                        ':(\\d{2})' + // seconds capture
-                        '(?:(\\.\\d{1,}))?' + // milliseconds capture
-                    ')?' +
-                '(' + // capture UTC offset component
-                    'Z|' + // UTC capture
-                    '(?:' + // offset specifier +/-hours:minutes
-                        '([-+])' + // sign capture
-                        '(\\d{2})' + // hours offset capture
-                        ':(\\d{2})' + // minutes offset capture
-                    ')' +
-                ')?)?)?)?' +
-            '$');
-
-            var months = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 
334, 365];
-
-            var dayFromMonth = function dayFromMonth(year, month) {
-                var t = month > 1 ? 1 : 0;
-                return (
-                    months[month] +
-                    Math.floor((year - 1969 + t) / 4) -
-                    Math.floor((year - 1901 + t) / 100) +
-                    Math.floor((year - 1601 + t) / 400) +
-                    365 * (year - 1970)
-                );
-            };
-
-            var toUTC = function toUTC(t) {
-                var s = 0;
-                var ms = t;
-                if (hasSafariSignedIntBug && ms > maxSafeUnsigned32Bit) {
-                    // work around a Safari 8/9 bug where it treats the 
seconds as signed
-                    var msToShift = Math.floor(ms / maxSafeUnsigned32Bit) * 
maxSafeUnsigned32Bit;
-                    var sToShift = Math.floor(msToShift / 1e3);
-                    s += sToShift;
-                    ms -= sToShift * 1e3;
-                }
-                return $Number(new NativeDate(1970, 0, 1, 0, 0, s, ms));
-            };
-
-            // Copy any custom methods a 3rd party library may have added
-            for (var key in NativeDate) {
-                if (owns(NativeDate, key)) {
-                    DateShim[key] = NativeDate[key];
-                }
-            }
-
-            // Copy "native" methods explicitly; they may be non-enumerable
-            defineProperties(DateShim, {
-                now: NativeDate.now,
-                UTC: NativeDate.UTC
-            }, true);
-            DateShim.prototype = NativeDate.prototype;
-            defineProperties(DateShim.prototype, {
-                constructor: DateShim
-            }, true);
-
-            // Upgrade Date.parse to handle simplified ISO 8601 strings
-            var parseShim = function parse(string) {
-                var match = isoDateExpression.exec(string);
-                if (match) {
-                    // parse months, days, hours, minutes, seconds, and 
milliseconds
-                    // provide default values if necessary
-                    // parse the UTC offset component
-                    var year = $Number(match[1]),
-                        month = $Number(match[2] || 1) - 1,
-                        day = $Number(match[3] || 1) - 1,
-                        hour = $Number(match[4] || 0),
-                        minute = $Number(match[5] || 0),
-                        second = $Number(match[6] || 0),
-                        millisecond = Math.floor($Number(match[7] || 0) * 
1000),
-                        // When time zone is missed, local offset should be 
used
-                        // (ES 5.1 bug)
-                        // see https://bugs.ecmascript.org/show_bug.cgi?id=112
-                        isLocalTime = Boolean(match[4] && !match[8]),
-                        signOffset = match[9] === '-' ? 1 : -1,
-                        hourOffset = $Number(match[10] || 0),
-                        minuteOffset = $Number(match[11] || 0),
-                        result;
-                    var hasMinutesOrSecondsOrMilliseconds = minute > 0 || 
second > 0 || millisecond > 0;
-                    if (
-                        hour < (hasMinutesOrSecondsOrMilliseconds ? 24 : 25) &&
-                        minute < 60 && second < 60 && millisecond < 1000 &&
-                        month > -1 && month < 12 && hourOffset < 24 &&
-                        minuteOffset < 60 && // detect invalid offsets
-                        day > -1 &&
-                        day < (dayFromMonth(year, month + 1) - 
dayFromMonth(year, month))
-                    ) {
-                        result = (
-                            (dayFromMonth(year, month) + day) * 24 +
-                            hour +
-                            hourOffset * signOffset
-                        ) * 60;
-                        result = (
-                            (result + minute + minuteOffset * signOffset) * 60 
+
-                            second
-                        ) * 1000 + millisecond;
-                        if (isLocalTime) {
-                            result = toUTC(result);
-                        }
-                        if (-8.64e15 <= result && result <= 8.64e15) {
-                            return result;
-                        }
-                    }
-                    return NaN;
-                }
-                return NativeDate.parse.apply(this, arguments);
-            };
-            defineProperties(DateShim, { parse: parseShim });
-
-            return DateShim;
-        }(Date));
-        /* global Date: false */
-    }
-
-    // ES5 15.9.4.4
-    // http://es5.github.com/#x15.9.4.4
-    if (!Date.now) {
-        Date.now = function now() {
-            return new Date().getTime();
-        };
-    }
-
-    //
-    // Number
-    // ======
-    //
-
-    // ES5.1 15.7.4.5
-    // http://es5.github.com/#x15.7.4.5
-    var hasToFixedBugs = NumberPrototype.toFixed && (
-      (0.00008).toFixed(3) !== '0.000' ||
-      (0.9).toFixed(0) !== '1' ||
-      (1.255).toFixed(2) !== '1.25' ||
-      (1000000000000000128).toFixed(0) !== '1000000000000000128'
-    );
-
-    var toFixedHelpers = {
-        base: 1e7,
-        size: 6,
-        data: [0, 0, 0, 0, 0, 0],
-        multiply: function multiply(n, c) {
-            var i = -1;
-            var c2 = c;
-            while (++i < toFixedHelpers.size) {
-                c2 += n * toFixedHelpers.data[i];
-                toFixedHelpers.data[i] = c2 % toFixedHelpers.base;
-                c2 = Math.floor(c2 / toFixedHelpers.base);
-            }
-        },
-        divide: function divide(n) {
-            var i = toFixedHelpers.size;
-            var c = 0;
-            while (--i >= 0) {
-                c += toFixedHelpers.data[i];
-                toFixedHelpers.data[i] = Math.floor(c / n);
-                c = (c % n) * toFixedHelpers.base;
-            }
-        },
-        numToString: function numToString() {
-            var i = toFixedHelpers.size;
-            var s = '';
-            while (--i >= 0) {
-                if (s !== '' || i === 0 || toFixedHelpers.data[i] !== 0) {
-                    var t = $String(toFixedHelpers.data[i]);
-                    if (s === '') {
-                        s = t;
-                    } else {
-                        s += strSlice('0000000', 0, 7 - t.length) + t;
-                    }
-                }
-            }
-            return s;
-        },
-        pow: function pow(x, n, acc) {
-            return (n === 0 ? acc : (n % 2 === 1 ? pow(x, n - 1, acc * x) : 
pow(x * x, n / 2, acc)));
-        },
-        log: function log(x) {
-            var n = 0;
-            var x2 = x;
-            while (x2 >= 4096) {
-                n += 12;
-                x2 /= 4096;
-            }
-            while (x2 >= 2) {
-                n += 1;
-                x2 /= 2;
-            }
-            return n;
-        }
-    };
-
-    var toFixedShim = function toFixed(fractionDigits) {
-        var f, x, s, m, e, z, j, k;
-
-        // Test for NaN and round fractionDigits down
-        f = $Number(fractionDigits);
-        f = isActualNaN(f) ? 0 : Math.floor(f);
-
-        if (f < 0 || f > 20) {
-            throw new RangeError('Number.toFixed called with invalid number of 
decimals');
-        }
-
-        x = $Number(this);
-
-        if (isActualNaN(x)) {
-            return 'NaN';
-        }
-
-        // If it is too big or small, return the string value of the number
-        if (x <= -1e21 || x >= 1e21) {
-            return $String(x);
-        }
-
-        s = '';
-
-        if (x < 0) {
-            s = '-';
-            x = -x;
-        }
-
-        m = '0';
-
-        if (x > 1e-21) {
-            // 1e-21 < x < 1e21
-            // -70 < log2(x) < 70
-            e = toFixedHelpers.log(x * toFixedHelpers.pow(2, 69, 1)) - 69;
-            z = (e < 0 ? x * toFixedHelpers.pow(2, -e, 1) : x / 
toFixedHelpers.pow(2, e, 1));
-            z *= 0x10000000000000; // Math.pow(2, 52);
-            e = 52 - e;
-
-            // -18 < e < 122
-            // x = z / 2 ^ e
-            if (e > 0) {
-                toFixedHelpers.multiply(0, z);
-                j = f;
-
-                while (j >= 7) {
-                    toFixedHelpers.multiply(1e7, 0);
-                    j -= 7;
-                }
-
-                toFixedHelpers.multiply(toFixedHelpers.pow(10, j, 1), 0);
-                j = e - 1;
-
-                while (j >= 23) {
-                    toFixedHelpers.divide(1 << 23);
-                    j -= 23;
-                }
-
-                toFixedHelpers.divide(1 << j);
-                toFixedHelpers.multiply(1, 1);
-                toFixedHelpers.divide(2);
-                m = toFixedHelpers.numToString();
-            } else {
-                toFixedHelpers.multiply(0, z);
-                toFixedHelpers.multiply(1 << (-e), 0);
-                m = toFixedHelpers.numToString() + 
strSlice('0.00000000000000000000', 2, 2 + f);
-            }
-        }
-
-        if (f > 0) {
-            k = m.length;
-
-            if (k <= f) {
-                m = s + strSlice('0.0000000000000000000', 0, f - k + 2) + m;
-            } else {
-                m = s + strSlice(m, 0, k - f) + '.' + strSlice(m, k - f);
-            }
-        } else {
-            m = s + m;
-        }
-
-        return m;
-    };
-    defineProperties(NumberPrototype, { toFixed: toFixedShim }, 
hasToFixedBugs);
-
-    var hasToPrecisionUndefinedBug = (function () {
-        try {
-            return 1.0.toPrecision(undefined) === '1';
-        } catch (e) {
-            return true;
-        }
-    }());
-    var originalToPrecision = NumberPrototype.toPrecision;
-    defineProperties(NumberPrototype, {
-        toPrecision: function toPrecision(precision) {
-            return typeof precision === 'undefined' ? 
originalToPrecision.call(this) : originalToPrecision.call(this, precision);
-        }
-    }, hasToPrecisionUndefinedBug);
-
-    //
-    // String
-    // ======
-    //
-
-    // ES5 15.5.4.14
-    // http://es5.github.com/#x15.5.4.14
-
-    // [bugfix, IE lt 9, firefox 4, Konqueror, Opera, obscure browsers]
-    // Many browsers do not split properly with regular expressions or they
-    // do not perform the split correctly under obscure conditions.
-    // See http://blog.stevenlevithan.com/archives/cross-browser-split
-    // I've tested in many browsers and this seems to cover the deviant ones:
-    //    'ab'.split(/(?:ab)*/) should be ["", ""], not [""]
-    //    '.'.split(/(.?)(.?)/) should be ["", ".", "", ""], not ["", ""]
-    //    'tesst'.split(/(s)*/) should be ["t", undefined, "e", "s", "t"], not
-    //       [undefined, "t", undefined, "e", ...]
-    //    ''.split(/.?/) should be [], not [""]
-    //    '.'.split(/()()/) should be ["."], not ["", "", "."]
-
-    if (
-        'ab'.split(/(?:ab)*/).length !== 2 ||
-        '.'.split(/(.?)(.?)/).length !== 4 ||
-        'tesst'.split(/(s)*/)[1] === 't' ||
-        'test'.split(/(?:)/, -1).length !== 4 ||
-        ''.split(/.?/).length ||
-        '.'.split(/()()/).length > 1
-    ) {
-        (function () {
-            var compliantExecNpcg = typeof (/()??/).exec('')[1] === 
'undefined'; // NPCG: nonparticipating capturing group
-            var maxSafe32BitInt = Math.pow(2, 32) - 1;
-
-            StringPrototype.split = function (separator, limit) {
-                var string = String(this);
-                if (typeof separator === 'undefined' && limit === 0) {
-                    return [];
-                }
-
-                // If `separator` is not a regex, use native split
-                if (!isRegex(separator)) {
-                    return strSplit(this, separator, limit);
-                }
-
-                var output = [];
-                var flags = (separator.ignoreCase ? 'i' : '') +
-                            (separator.multiline ? 'm' : '') +
-                            (separator.unicode ? 'u' : '') + // in ES6
-                            (separator.sticky ? 'y' : ''), // Firefox 3+ and 
ES6
-                    lastLastIndex = 0,
-                    // Make `global` and avoid `lastIndex` issues by working 
with a copy
-                    separator2, match, lastIndex, lastLength;
-                var separatorCopy = new RegExp(separator.source, flags + 'g');
-                if (!compliantExecNpcg) {
-                    // Doesn't need flags gy, but they don't hurt
-                    separator2 = new RegExp('^' + separatorCopy.source + 
'$(?!\\s)', flags);
-                }
-                /* Values for `limit`, per the spec:
-                 * If undefined: 4294967295 // maxSafe32BitInt
-                 * If 0, Infinity, or NaN: 0
-                 * If positive number: limit = Math.floor(limit); if (limit > 
4294967295) limit -= 4294967296;
-                 * If negative number: 4294967296 - Math.floor(Math.abs(limit))
-                 * If other: Type-convert, then use the above rules
-                 */
-                var splitLimit = typeof limit === 'undefined' ? 
maxSafe32BitInt : ES.ToUint32(limit);
-                match = separatorCopy.exec(string);
-                while (match) {
-                    // `separatorCopy.lastIndex` is not reliable cross-browser
-                    lastIndex = match.index + match[0].length;
-                    if (lastIndex > lastLastIndex) {
-                        pushCall(output, strSlice(string, lastLastIndex, 
match.index));
-                        // Fix browsers whose `exec` methods don't 
consistently return `undefined` for
-                        // nonparticipating capturing groups
-                        if (!compliantExecNpcg && match.length > 1) {
-                            /* eslint-disable no-loop-func */
-                            match[0].replace(separator2, function () {
-                                for (var i = 1; i < arguments.length - 2; i++) 
{
-                                    if (typeof arguments[i] === 'undefined') {
-                                        match[i] = void 0;
-                                    }
-                                }
-                            });
-                            /* eslint-enable no-loop-func */
-                        }
-                        if (match.length > 1 && match.index < string.length) {
-                            array_push.apply(output, arraySlice(match, 1));
-                        }
-                        lastLength = match[0].length;
-                        lastLastIndex = lastIndex;
-                        if (output.length >= splitLimit) {
-                            break;
-                        }
-                    }
-                    if (separatorCopy.lastIndex === match.index) {
-                        separatorCopy.lastIndex++; // Avoid an infinite loop
-                    }
-                    match = separatorCopy.exec(string);
-                }
-                if (lastLastIndex === string.length) {
-                    if (lastLength || !separatorCopy.test('')) {
-                        pushCall(output, '');
-                    }
-                } else {
-                    pushCall(output, strSlice(string, lastLastIndex));
-                }
-                return output.length > splitLimit ? arraySlice(output, 0, 
splitLimit) : output;
-            };
-        }());
-
-    // [bugfix, chrome]
-    // If separator is undefined, then the result array contains just one 
String,
-    // which is the this value (converted to a String). If limit is not 
undefined,
-    // then the output array is truncated so that it contains no more than 
limit
-    // elements.
-    // "0".split(undefined, 0) -> []
-    } else if ('0'.split(void 0, 0).length) {
-        StringPrototype.split = function split(separator, limit) {
-            if (typeof separator === 'undefined' && limit === 0) {
-                return [];
-            }
-            return strSplit(this, separator, limit);
-        };
-    }
-
-    var str_replace = StringPrototype.replace;
-    var replaceReportsGroupsCorrectly = (function () {
-        var groups = [];
-        'x'.replace(/x(.)?/g, function (match, group) {
-            pushCall(groups, group);
-        });
-        return groups.length === 1 && typeof groups[0] === 'undefined';
-    }());
-
-    if (!replaceReportsGroupsCorrectly) {
-        StringPrototype.replace = function replace(searchValue, replaceValue) {
-            var isFn = isCallable(replaceValue);
-            var hasCapturingGroups = isRegex(searchValue) && 
(/\)[*?]/).test(searchValue.source);
-            if (!isFn || !hasCapturingGroups) {
-                return str_replace.call(this, searchValue, replaceValue);
-            } else {
-                var wrappedReplaceValue = function (match) {
-                    var length = arguments.length;
-                    var originalLastIndex = searchValue.lastIndex;
-                    searchValue.lastIndex = 0;
-                    var args = searchValue.exec(match) || [];
-                    searchValue.lastIndex = originalLastIndex;
-                    pushCall(args, arguments[length - 2], arguments[length - 
1]);
-                    return replaceValue.apply(this, args);
-                };
-                return str_replace.call(this, searchValue, 
wrappedReplaceValue);
-            }
-        };
-    }
-
-    // ECMA-262, 3rd B.2.3
-    // Not an ECMAScript standard, although ECMAScript 3rd Edition has a
-    // non-normative section suggesting uniform semantics and it should be
-    // normalized across all browsers
-    // [bugfix, IE lt 9] IE < 9 substr() with negative value not working in IE
-    var string_substr = StringPrototype.substr;
-    var hasNegativeSubstrBug = ''.substr && '0b'.substr(-1) !== 'b';
-    defineProperties(StringPrototype, {
-        substr: function substr(start, length) {
-            var normalizedStart = start;
-            if (start < 0) {
-                normalizedStart = max(this.length + start, 0);
-            }
-            return string_substr.call(this, normalizedStart, length);
-        }
-    }, hasNegativeSubstrBug);
-
-    // ES5 15.5.4.20
-    // whitespace from: http://es5.github.io/#x15.5.4.20
-    var ws = 
'\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003' +
-        '\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028' +
-        '\u2029\uFEFF';
-    var zeroWidth = '\u200b';
-    var wsRegexChars = '[' + ws + ']';
-    var trimBeginRegexp = new RegExp('^' + wsRegexChars + wsRegexChars + '*');
-    var trimEndRegexp = new RegExp(wsRegexChars + wsRegexChars + '*$');
-    var hasTrimWhitespaceBug = StringPrototype.trim && (ws.trim() || 
!zeroWidth.trim());
-    defineProperties(StringPrototype, {
-        // http://blog.stevenlevithan.com/archives/faster-trim-javascript
-        // http://perfectionkills.com/whitespace-deviations/
-        trim: function trim() {
-            if (typeof this === 'undefined' || this === null) {
-                throw new TypeError("can't convert " + this + ' to object');
-            }
-            return $String(this).replace(trimBeginRegexp, 
'').replace(trimEndRegexp, '');
-        }
-    }, hasTrimWhitespaceBug);
-    var trim = call.bind(String.prototype.trim);
-
-    var hasLastIndexBug = StringPrototype.lastIndexOf && 
'abcあい'.lastIndexOf('あい', 2) !== -1;
-    defineProperties(StringPrototype, {
-        lastIndexOf: function lastIndexOf(searchString) {
-            if (typeof this === 'undefined' || this === null) {
-                throw new TypeError("can't convert " + this + ' to object');
-            }
-            var S = $String(this);
-            var searchStr = $String(searchString);
-            var numPos = arguments.length > 1 ? $Number(arguments[1]) : NaN;
-            var pos = isActualNaN(numPos) ? Infinity : ES.ToInteger(numPos);
-            var start = min(max(pos, 0), S.length);
-            var searchLen = searchStr.length;
-            var k = start + searchLen;
-            while (k > 0) {
-                k = max(0, k - searchLen);
-                var index = strIndexOf(strSlice(S, k, start + searchLen), 
searchStr);
-                if (index !== -1) {
-                    return k + index;
-                }
-            }
-            return -1;
-        }
-    }, hasLastIndexBug);
-
-    var originalLastIndexOf = StringPrototype.lastIndexOf;
-    defineProperties(StringPrototype, {
-        lastIndexOf: function lastIndexOf(searchString) {
-            return originalLastIndexOf.apply(this, arguments);
-        }
-    }, StringPrototype.lastIndexOf.length !== 1);
-
-    // ES-5 15.1.2.2
-    /* eslint-disable radix */
-    if (parseInt(ws + '08') !== 8 || parseInt(ws + '0x16') !== 22) {
-    /* eslint-enable radix */
-        /* global parseInt: true */
-        parseInt = (function (origParseInt) {
-            var hexRegex = /^[\-+]?0[xX]/;
-            return function parseInt(str, radix) {
-                var string = trim(String(str));
-                var defaultedRadix = $Number(radix) || (hexRegex.test(string) 
? 16 : 10);
-                return origParseInt(string, defaultedRadix);
-            };
-        }(parseInt));
-    }
-
-    // https://es5.github.io/#x15.1.2.3
-    if (1 / parseFloat('-0') !== -Infinity) {
-        /* global parseFloat: true */
-        parseFloat = (function (origParseFloat) {
-            return function parseFloat(string) {
-                var inputString = trim(String(string));
-                var result = origParseFloat(inputString);
-                return result === 0 && strSlice(inputString, 0, 1) === '-' ? 
-0 : result;
-            };
-        }(parseFloat));
-    }
-
-    if (String(new RangeError('test')) !== 'RangeError: test') {
-        var errorToStringShim = function toString() {
-            if (typeof this === 'undefined' || this === null) {
-                throw new TypeError("can't convert " + this + ' to object');
-            }
-            var name = this.name;
-            if (typeof name === 'undefined') {
-                name = 'Error';
-            } else if (typeof name !== 'string') {
-                name = $String(name);
-            }
-            var msg = this.message;
-            if (typeof msg === 'undefined') {
-                msg = '';
-            } else if (typeof msg !== 'string') {
-                msg = $String(msg);
-            }
-            if (!name) {
-                return msg;
-            }
-            if (!msg) {
-                return name;
-            }
-            return name + ': ' + msg;
-        };
-        // can't use defineProperties here because of toString enumeration 
issue in IE <= 8
-        Error.prototype.toString = errorToStringShim;
-    }
-
-    if (supportsDescriptors) {
-        var ensureNonEnumerable = function (obj, prop) {
-            if (isEnum(obj, prop)) {
-                var desc = Object.getOwnPropertyDescriptor(obj, prop);
-                if (desc.configurable) {
-                    desc.enumerable = false;
-                    Object.defineProperty(obj, prop, desc);
-                }
-            }
-        };
-        ensureNonEnumerable(Error.prototype, 'message');
-        if (Error.prototype.message !== '') {
-            Error.prototype.message = '';
-        }
-        ensureNonEnumerable(Error.prototype, 'name');
-    }
-
-    if (String(/a/mig) !== '/a/gim') {
-        var regexToString = function toString() {
-            var str = '/' + this.source + '/';
-            if (this.global) {
-                str += 'g';
-            }
-            if (this.ignoreCase) {
-                str += 'i';
-            }
-            if (this.multiline) {
-                str += 'm';
-            }
-            return str;
-        };
-        // can't use defineProperties here because of toString enumeration 
issue in IE <= 8
-        RegExp.prototype.toString = regexToString;
-    }
-}));

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