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bitcoin-convert

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Conversion between the bitcoin base unit (BTC) and other units (Satoshi, μBTC, ...)

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(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.spec = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
'use strict';

require('babel-polyfill');

module.exports = require('./lib/convert');

},{"./lib/convert":2,"babel-polyfill":3}],2:[function(require,module,exports){
'use strict';

var Big = require('big.js');
var units = {
    'BTC': new Big(1),
    'mBTC': new Big(0.001),
    'μBTC': new Big(0.000001),
    'bit': new Big(0.000001),
    'Satoshi': new Big(0.00000001),
    'sat': new Big(0.00000001)
};

function convert(from, fromUnit, toUnit, representation) {
    var fromFactor = units[fromUnit];
    if (fromFactor === undefined) {
        throw new Error('\'' + fromUnit + '\' is not a bitcoin unit');
    }
    var toFactor = units[toUnit];
    if (toFactor === undefined) {
        throw new Error('\'' + toUnit + '\' is not a bitcoin unit');
    }

    if (Number.isNaN(from)) {
        if (!representation || representation === 'Number') {
            return from;
        } else if (representation === 'Big') {
            return new Big(from); // throws BigError
        } else if (representation === 'String') {
            return from.toString();
        }
        throw new Error('\'' + representation + '\' is not a valid representation');
    }

    var result = new Big(from).times(fromFactor).div(toFactor);

    if (!representation || representation === 'Number') {
        return Number(result);
    } else if (representation === 'Big') {
        return result;
    } else if (representation === 'String') {
        return result.toString();
    }

    throw new Error('\'' + representation + '\' is not a valid representation');
}

convert.units = function () {
    return Object.keys(units);
};

convert.addUnit = function addUnit(unit, factor) {
    factor = new Big(factor);
    var existing = units[unit];
    if (existing && !existing.eq(factor)) {
        throw new Error('\'' + unit + '\' already exists with a different conversion factor');
    }
    units[unit] = factor;
};

var predefinedUnits = convert.units();
convert.removeUnit = function removeUnit(unit) {
    if (predefinedUnits.indexOf(unit) >= 0) {
        throw new Error('\'' + unit + '\' is predefined and cannot be removed');
    }
    delete units[unit];
};

module.exports = convert;

},{"big.js":5}],3:[function(require,module,exports){
(function (global){
"use strict";

require("core-js/shim");

require("regenerator-runtime/runtime");

require("core-js/fn/regexp/escape");

if (global._babelPolyfill) {
  throw new Error("only one instance of babel-polyfill is allowed");
}
global._babelPolyfill = true;

var DEFINE_PROPERTY = "defineProperty";
function define(O, key, value) {
  O[key] || Object[DEFINE_PROPERTY](O, key, {
    writable: true,
    configurable: true,
    value: value
  });
}

define(String.prototype, "padLeft", "".padStart);
define(String.prototype, "padRight", "".padEnd);

"pop,reverse,shift,keys,values,entries,indexOf,every,some,forEach,map,filter,find,findIndex,includes,join,slice,concat,push,splice,unshift,sort,lastIndexOf,reduce,reduceRight,copyWithin,fill".split(",").forEach(function (key) {
  [][key] && define(Array, key, Function.call.bind([][key]));
});
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"core-js/fn/regexp/escape":8,"core-js/shim":301,"regenerator-runtime/runtime":304}],4:[function(require,module,exports){
'use strict'

exports.byteLength = byteLength
exports.toByteArray = toByteArray
exports.fromByteArray = fromByteArray

var lookup = []
var revLookup = []
var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array

var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
for (var i = 0, len = code.length; i < len; ++i) {
  lookup[i] = code[i]
  revLookup[code.charCodeAt(i)] = i
}

revLookup['-'.charCodeAt(0)] = 62
revLookup['_'.charCodeAt(0)] = 63

function placeHoldersCount (b64) {
  var len = b64.length
  if (len % 4 > 0) {
    throw new Error('Invalid string. Length must be a multiple of 4')
  }

  // the number of equal signs (place holders)
  // if there are two placeholders, than the two characters before it
  // represent one byte
  // if there is only one, then the three characters before it represent 2 bytes
  // this is just a cheap hack to not do indexOf twice
  return b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0
}

function byteLength (b64) {
  // base64 is 4/3 + up to two characters of the original data
  return b64.length * 3 / 4 - placeHoldersCount(b64)
}

function toByteArray (b64) {
  var i, j, l, tmp, placeHolders, arr
  var len = b64.length
  placeHolders = placeHoldersCount(b64)

  arr = new Arr(len * 3 / 4 - placeHolders)

  // if there are placeholders, only get up to the last complete 4 chars
  l = placeHolders > 0 ? len - 4 : len

  var L = 0

  for (i = 0, j = 0; i < l; i += 4, j += 3) {
    tmp = (revLookup[b64.charCodeAt(i)] << 18) | (revLookup[b64.charCodeAt(i + 1)] << 12) | (revLookup[b64.charCodeAt(i + 2)] << 6) | revLookup[b64.charCodeAt(i + 3)]
    arr[L++] = (tmp >> 16) & 0xFF
    arr[L++] = (tmp >> 8) & 0xFF
    arr[L++] = tmp & 0xFF
  }

  if (placeHolders === 2) {
    tmp = (revLookup[b64.charCodeAt(i)] << 2) | (revLookup[b64.charCodeAt(i + 1)] >> 4)
    arr[L++] = tmp & 0xFF
  } else if (placeHolders === 1) {
    tmp = (revLookup[b64.charCodeAt(i)] << 10) | (revLookup[b64.charCodeAt(i + 1)] << 4) | (revLookup[b64.charCodeAt(i + 2)] >> 2)
    arr[L++] = (tmp >> 8) & 0xFF
    arr[L++] = tmp & 0xFF
  }

  return arr
}

function tripletToBase64 (num) {
  return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F]
}

function encodeChunk (uint8, start, end) {
  var tmp
  var output = []
  for (var i = start; i < end; i += 3) {
    tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2])
    output.push(tripletToBase64(tmp))
  }
  return output.join('')
}

function fromByteArray (uint8) {
  var tmp
  var len = uint8.length
  var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes
  var output = ''
  var parts = []
  var maxChunkLength = 16383 // must be multiple of 3

  // go through the array every three bytes, we'll deal with trailing stuff later
  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
    parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)))
  }

  // pad the end with zeros, but make sure to not forget the extra bytes
  if (extraBytes === 1) {
    tmp = uint8[len - 1]
    output += lookup[tmp >> 2]
    output += lookup[(tmp << 4) & 0x3F]
    output += '=='
  } else if (extraBytes === 2) {
    tmp = (uint8[len - 2] << 8) + (uint8[len - 1])
    output += lookup[tmp >> 10]
    output += lookup[(tmp >> 4) & 0x3F]
    output += lookup[(tmp << 2) & 0x3F]
    output += '='
  }

  parts.push(output)

  return parts.join('')
}

},{}],5:[function(require,module,exports){
/* big.js v3.1.3 https://github.com/MikeMcl/big.js/LICENCE */
;(function (global) {
    'use strict';

/*
  big.js v3.1.3
  A small, fast, easy-to-use library for arbitrary-precision decimal arithmetic.
  https://github.com/MikeMcl/big.js/
  Copyright (c) 2014 Michael Mclaughlin <M8ch88l@gmail.com>
  MIT Expat Licence
*/

/***************************** EDITABLE DEFAULTS ******************************/

    // The default values below must be integers within the stated ranges.

    /*
     * The maximum number of decimal places of the results of operations
     * involving division: div and sqrt, and pow with negative exponents.
     */
    var DP = 20,                           // 0 to MAX_DP

        /*
         * The rounding mode used when rounding to the above decimal places.
         *
         * 0 Towards zero (i.e. truncate, no rounding).       (ROUND_DOWN)
         * 1 To nearest neighbour. If equidistant, round up.  (ROUND_HALF_UP)
         * 2 To nearest neighbour. If equidistant, to even.   (ROUND_HALF_EVEN)
         * 3 Away from zero.                                  (ROUND_UP)
         */
        RM = 1,                            // 0, 1, 2 or 3

        // The maximum value of DP and Big.DP.
        MAX_DP = 1E6,                      // 0 to 1000000

        // The maximum magnitude of the exponent argument to the pow method.
        MAX_POWER = 1E6,                   // 1 to 1000000

        /*
         * The exponent value at and beneath which toString returns exponential
         * notation.
         * JavaScript's Number type: -7
         * -1000000 is the minimum recommended exponent value of a Big.
         */
        E_NEG = -7,                   // 0 to -1000000

        /*
         * The exponent value at and above which toString returns exponential
         * notation.
         * JavaScript's Number type: 21
         * 1000000 is the maximum recommended exponent value of a Big.
         * (This limit is not enforced or checked.)
         */
        E_POS = 21,                   // 0 to 1000000

/******************************************************************************/

        // The shared prototype object.
        P = {},
        isValid = /^-?(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?$/i,
        Big;


    /*
     * Create and return a Big constructor.
     *
     */
    function bigFactory() {

        /*
         * The Big constructor and exported function.
         * Create and return a new instance of a Big number object.
         *
         * n {number|string|Big} A numeric value.
         */
        function Big(n) {
            var x = this;

            // Enable constructor usage without new.
            if (!(x instanceof Big)) {
                return n === void 0 ? bigFactory() : new Big(n);
            }

            // Duplicate.
            if (n instanceof Big) {
                x.s = n.s;
                x.e = n.e;
                x.c = n.c.slice();
            } else {
                parse(x, n);
            }

            /*
             * Retain a reference to this Big constructor, and shadow
             * Big.prototype.constructor which points to Object.
             */
            x.constructor = Big;
        }

        Big.prototype = P;
        Big.DP = DP;
        Big.RM = RM;
        Big.E_NEG = E_NEG;
        Big.E_POS = E_POS;

        return Big;
    }


    // Private functions


    /*
     * Return a string representing the value of Big x in normal or exponential
     * notation to dp fixed decimal places or significant digits.
     *
     * x {Big} The Big to format.
     * dp {number} Integer, 0 to MAX_DP inclusive.
     * toE {number} 1 (toExponential), 2 (toPrecision) or undefined (toFixed).
     */
    function format(x, dp, toE) {
        var Big = x.constructor,

            // The index (normal notation) of the digit that may be rounded up.
            i = dp - (x = new Big(x)).e,
            c = x.c;

        // Round?
        if (c.length > ++dp) {
            rnd(x, i, Big.RM);
        }

        if (!c[0]) {
            ++i;
        } else if (toE) {
            i = dp;

        // toFixed
        } else {
            c = x.c;

            // Recalculate i as x.e may have changed if value rounded up.
            i = x.e + i + 1;
        }

        // Append zeros?
        for (; c.length < i; c.push(0)) {
        }
        i = x.e;

        /*
         * toPrecision returns exponential notation if the number of
         * significant digits specified is less than the number of digits
         * necessary to represent the integer part of the value in normal
         * notation.
         */
        return toE === 1 || toE && (dp <= i || i <= Big.E_NEG) ?

          // Exponential notation.
          (x.s < 0 && c[0] ? '-' : '') +
            (c.length > 1 ? c[0] + '.' + c.join('').slice(1) : c[0]) +
              (i < 0 ? 'e' : 'e+') + i

          // Normal notation.
          : x.toString();
    }


    /*
     * Parse the number or string value passed to a Big constructor.
     *
     * x {Big} A Big number instance.
     * n {number|string} A numeric value.
     */
    function parse(x, n) {
        var e, i, nL;

        // Minus zero?
        if (n === 0 && 1 / n < 0) {
            n = '-0';

        // Ensure n is string and check validity.
        } else if (!isValid.test(n += '')) {
            throwErr(NaN);
        }

        // Determine sign.
        x.s = n.charAt(0) == '-' ? (n = n.slice(1), -1) : 1;

        // Decimal point?
        if ((e = n.indexOf('.')) > -1) {
            n = n.replace('.', '');
        }

        // Exponential form?
        if ((i = n.search(/e/i)) > 0) {

            // Determine exponent.
            if (e < 0) {
                e = i;
            }
            e += +n.slice(i + 1);
            n = n.substring(0, i);

        } else if (e < 0) {

            // Integer.
            e = n.length;
        }

        // Determine leading zeros.
        for (i = 0; n.charAt(i) == '0'; i++) {
        }

        if (i == (nL = n.length)) {

            // Zero.
            x.c = [ x.e = 0 ];
        } else {

            // Determine trailing zeros.
            for (; n.charAt(--nL) == '0';) {
            }

            x.e = e - i - 1;
            x.c = [];

            // Convert string to array of digits without leading/trailing zeros.
            for (e = 0; i <= nL; x.c[e++] = +n.charAt(i++)) {
            }
        }

        return x;
    }


    /*
     * Round Big x to a maximum of dp decimal places using rounding mode rm.
     * Called by div, sqrt and round.
     *
     * x {Big} The Big to round.
     * dp {number} Integer, 0 to MAX_DP inclusive.
     * rm {number} 0, 1, 2 or 3 (DOWN, HALF_UP, HALF_EVEN, UP)
     * [more] {boolean} Whether the result of division was truncated.
     */
    function rnd(x, dp, rm, more) {
        var u,
            xc = x.c,
            i = x.e + dp + 1;

        if (rm === 1) {

            // xc[i] is the digit after the digit that may be rounded up.
            more = xc[i] >= 5;
        } else if (rm === 2) {
            more = xc[i] > 5 || xc[i] == 5 &&
              (more || i < 0 || xc[i + 1] !== u || xc[i - 1] & 1);
        } else if (rm === 3) {
            more = more || xc[i] !== u || i < 0;
        } else {
            more = false;

            if (rm !== 0) {
                throwErr('!Big.RM!');
            }
        }

        if (i < 1 || !xc[0]) {

            if (more) {

                // 1, 0.1, 0.01, 0.001, 0.0001 etc.
                x.e = -dp;
                x.c = [1];
            } else {

                // Zero.
                x.c = [x.e = 0];
            }
        } else {

            // Remove any digits after the required decimal places.
            xc.length = i--;

            // Round up?
            if (more) {

                // Rounding up may mean the previous digit has to be rounded up.
                for (; ++xc[i] > 9;) {
                    xc[i] = 0;

                    if (!i--) {
                        ++x.e;
                        xc.unshift(1);
                    }
                }
            }

            // Remove trailing zeros.
            for (i = xc.length; !xc[--i]; xc.pop()) {
            }
        }

        return x;
    }


    /*
     * Throw a BigError.
     *
     * message {string} The error message.
     */
    function throwErr(message) {
        var err = new Error(message);
        err.name = 'BigError';

        throw err;
    }


    // Prototype/instance methods


    /*
     * Return a new Big whose value is the absolute value of this Big.
     */
    P.abs = function () {
        var x = new this.constructor(this);
        x.s = 1;

        return x;
    };


    /*
     * Return
     * 1 if the value of this Big is greater than the value of Big y,
     * -1 if the value of this Big is less than the value of Big y, or
     * 0 if they have the same value.
    */
    P.cmp = function (y) {
        var xNeg,
            x = this,
            xc = x.c,
            yc = (y = new x.constructor(y)).c,
            i = x.s,
            j = y.s,
            k = x.e,
            l = y.e;

        // Either zero?
        if (!xc[0] || !yc[0]) {
            return !xc[0] ? !yc[0] ? 0 : -j : i;
        }

        // Signs differ?
        if (i != j) {
            return i;
        }
        xNeg = i < 0;

        // Compare exponents.
        if (k != l) {
            return k > l ^ xNeg ? 1 : -1;
        }

        i = -1;
        j = (k = xc.length) < (l = yc.length) ? k : l;

        // Compare digit by digit.
        for (; ++i < j;) {

            if (xc[i] != yc[i]) {
                return xc[i] > yc[i] ^ xNeg ? 1 : -1;
            }
        }

        // Compare lengths.
        return k == l ? 0 : k > l ^ xNeg ? 1 : -1;
    };


    /*
     * Return a new Big whose value is the value of this Big divided by the
     * value of Big y, rounded, if necessary, to a maximum of Big.DP decimal
     * places using rounding mode Big.RM.
     */
    P.div = function (y) {
        var x = this,
            Big = x.constructor,
            // dividend
            dvd = x.c,
            //divisor
            dvs = (y = new Big(y)).c,
            s = x.s == y.s ? 1 : -1,
            dp = Big.DP;

        if (dp !== ~~dp || dp < 0 || dp > MAX_DP) {
            throwErr('!Big.DP!');
        }

        // Either 0?
        if (!dvd[0] || !dvs[0]) {

            // If both are 0, throw NaN
            if (dvd[0] == dvs[0]) {
                throwErr(NaN);
            }

            // If dvs is 0, throw +-Infinity.
            if (!dvs[0]) {
                throwErr(s / 0);
            }

            // dvd is 0, return +-0.
            return new Big(s * 0);
        }

        var dvsL, dvsT, next, cmp, remI, u,
            dvsZ = dvs.slice(),
            dvdI = dvsL = dvs.length,
            dvdL = dvd.length,
            // remainder
            rem = dvd.slice(0, dvsL),
            remL = rem.length,
            // quotient
            q = y,
            qc = q.c = [],
            qi = 0,
            digits = dp + (q.e = x.e - y.e) + 1;

        q.s = s;
        s = digits < 0 ? 0 : digits;

        // Create version of divisor with leading zero.
        dvsZ.unshift(0);

        // Add zeros to make remainder as long as divisor.
        for (; remL++ < dvsL; rem.push(0)) {
        }

        do {

            // 'next' is how many times the divisor goes into current remainder.
            for (next = 0; next < 10; next++) {

                // Compare divisor and remainder.
                if (dvsL != (remL = rem.length)) {
                    cmp = dvsL > remL ? 1 : -1;
                } else {

                    for (remI = -1, cmp = 0; ++remI < dvsL;) {

                        if (dvs[remI] != rem[remI]) {
                            cmp = dvs[remI] > rem[remI] ? 1 : -1;
                            break;
                        }
                    }
                }

                // If divisor < remainder, subtract divisor from remainder.
                if (cmp < 0) {

                    // Remainder can't be more than 1 digit longer than divisor.
                    // Equalise lengths using divisor with extra leading zero?
                    for (dvsT = remL == dvsL ? dvs : dvsZ; remL;) {

                        if (rem[--remL] < dvsT[remL]) {
                            remI = remL;

                            for (; remI && !rem[--remI]; rem[remI] = 9) {
                            }
                            --rem[remI];
                            rem[remL] += 10;
                        }
                        rem[remL] -= dvsT[remL];
                    }
                    for (; !rem[0]; rem.shift()) {
                    }
                } else {
                    break;
                }
            }

            // Add the 'next' digit to the result array.
            qc[qi++] = cmp ? next : ++next;

            // Update the remainder.
            if (rem[0] && cmp) {
                rem[remL] = dvd[dvdI] || 0;
            } else {
                rem = [ dvd[dvdI] ];
            }

        } while ((dvdI++ < dvdL || rem[0] !== u) && s--);

        // Leading zero? Do not remove if result is simply zero (qi == 1).
        if (!qc[0] && qi != 1) {

            // There can't be more than one zero.
            qc.shift();
            q.e--;
        }

        // Round?
        if (qi > digits) {
            rnd(q, dp, Big.RM, rem[0] !== u);
        }

        return q;
    };


    /*
     * Return true if the value of this Big is equal to the value of Big y,
     * otherwise returns false.
     */
    P.eq = function (y) {
        return !this.cmp(y);
    };


    /*
     * Return true if the value of this Big is greater than the value of Big y,
     * otherwise returns false.
     */
    P.gt = function (y) {
        return this.cmp(y) > 0;
    };


    /*
     * Return true if the value of this Big is greater than or equal to the
     * value of Big y, otherwise returns false.
     */
    P.gte = function (y) {
        return this.cmp(y) > -1;
    };


    /*
     * Return true if the value of this Big is less than the value of Big y,
     * otherwise returns false.
     */
    P.lt = function (y) {
        return this.cmp(y) < 0;
    };


    /*
     * Return true if the value of this Big is less than or equal to the value
     * of Big y, otherwise returns false.
     */
    P.lte = function (y) {
         return this.cmp(y) < 1;
    };


    /*
     * Return a new Big whose value is the value of this Big minus the value
     * of Big y.
     */
    P.sub = P.minus = function (y) {
        var i, j, t, xLTy,
            x = this,
            Big = x.constructor,
            a = x.s,
            b = (y = new Big(y)).s;

        // Signs differ?
        if (a != b) {
            y.s = -b;
            return x.plus(y);
        }

        var xc = x.c.slice(),
            xe = x.e,
            yc = y.c,
            ye = y.e;

        // Either zero?
        if (!xc[0] || !yc[0]) {

            // y is non-zero? x is non-zero? Or both are zero.
            return yc[0] ? (y.s = -b, y) : new Big(xc[0] ? x : 0);
        }

        // Determine which is the bigger number.
        // Prepend zeros to equalise exponents.
        if (a = xe - ye) {

            if (xLTy = a < 0) {
                a = -a;
                t = xc;
            } else {
                ye = xe;
                t = yc;
            }

            t.reverse();
            for (b = a; b--; t.push(0)) {
            }
            t.reverse();
        } else {

            // Exponents equal. Check digit by digit.
            j = ((xLTy = xc.length < yc.length) ? xc : yc).length;

            for (a = b = 0; b < j; b++) {

                if (xc[b] != yc[b]) {
                    xLTy = xc[b] < yc[b];
                    break;
                }
            }
        }

        // x < y? Point xc to the array of the bigger number.
        if (xLTy) {
            t = xc;
            xc = yc;
            yc = t;
            y.s = -y.s;
        }

        /*
         * Append zeros to xc if shorter. No need to add zeros to yc if shorter
         * as subtraction only needs to start at yc.length.
         */
        if (( b = (j = yc.length) - (i = xc.length) ) > 0) {

            for (; b--; xc[i++] = 0) {
            }
        }

        // Subtract yc from xc.
        for (b = i; j > a;){

            if (xc[--j] < yc[j]) {

                for (i = j; i && !xc[--i]; xc[i] = 9) {
                }
                --xc[i];
                xc[j] += 10;
            }
            xc[j] -= yc[j];
        }

        // Remove trailing zeros.
        for (; xc[--b] === 0; xc.pop()) {
        }

        // Remove leading zeros and adjust exponent accordingly.
        for (; xc[0] === 0;) {
            xc.shift();
            --ye;
        }

        if (!xc[0]) {

            // n - n = +0
            y.s = 1;

            // Result must be zero.
            xc = [ye = 0];
        }

        y.c = xc;
        y.e = ye;

        return y;
    };


    /*
     * Return a new Big whose value is the value of this Big modulo the
     * value of Big y.
     */
    P.mod = function (y) {
        var yGTx,
            x = this,
            Big = x.constructor,
            a = x.s,
            b = (y = new Big(y)).s;

        if (!y.c[0]) {
            throwErr(NaN);
        }

        x.s = y.s = 1;
        yGTx = y.cmp(x) == 1;
        x.s = a;
        y.s = b;

        if (yGTx) {
            return new Big(x);
        }

        a = Big.DP;
        b = Big.RM;
        Big.DP = Big.RM = 0;
        x = x.div(y);
        Big.DP = a;
        Big.RM = b;

        return this.minus( x.times(y) );
    };


    /*
     * Return a new Big whose value is the value of this Big plus the value
     * of Big y.
     */
    P.add = P.plus = function (y) {
        var t,
            x = this,
            Big = x.constructor,
            a = x.s,
            b = (y = new Big(y)).s;

        // Signs differ?
        if (a != b) {
            y.s = -b;
            return x.minus(y);
        }

        var xe = x.e,
            xc = x.c,
            ye = y.e,
            yc = y.c;

        // Either zero?
        if (!xc[0] || !yc[0]) {

            // y is non-zero? x is non-zero? Or both are zero.
            return yc[0] ? y : new Big(xc[0] ? x : a * 0);
        }
        xc = xc.slice();

        // Prepend zeros to equalise exponents.
        // Note: Faster to use reverse then do unshifts.
        if (a = xe - ye) {

            if (a > 0) {
                ye = xe;
                t = yc;
            } else {
                a = -a;
                t = xc;
            }

            t.reverse();
            for (; a--; t.push(0)) {
            }
            t.reverse();
        }

        // Point xc to the longer array.
        if (xc.length - yc.length < 0) {
            t = yc;
            yc = xc;
            xc = t;
        }
        a = yc.length;

        /*
         * Only start adding at yc.length - 1 as the further digits of xc can be
         * left as they are.
         */
        for (b = 0; a;) {
            b = (xc[--a] = xc[a] + yc[a] + b) / 10 | 0;
            xc[a] %= 10;
        }

        // No need to check for zero, as +x + +y != 0 && -x + -y != 0

        if (b) {
            xc.unshift(b);
            ++ye;
        }

         // Remove trailing zeros.
        for (a = xc.length; xc[--a] === 0; xc.pop()) {
        }

        y.c = xc;
        y.e = ye;

        return y;
    };


    /*
     * Return a Big whose value is the value of this Big raised to the power n.
     * If n is negative, round, if necessary, to a maximum of Big.DP decimal
     * places using rounding mode Big.RM.
     *
     * n {number} Integer, -MAX_POWER to MAX_POWER inclusive.
     */
    P.pow = function (n) {
        var x = this,
            one = new x.constructor(1),
            y = one,
            isNeg = n < 0;

        if (n !== ~~n || n < -MAX_POWER || n > MAX_POWER) {
            throwErr('!pow!');
        }

        n = isNeg ? -n : n;

        for (;;) {

            if (n & 1) {
                y = y.times(x);
            }
            n >>= 1;

            if (!n) {
                break;
            }
            x = x.times(x);
        }

        return isNeg ? one.div(y) : y;
    };


    /*
     * Return a new Big whose value is the value of this Big rounded to a
     * maximum of dp decimal places using rounding mode rm.
     * If dp is not specified, round to 0 decimal places.
     * If rm is not specified, use Big.RM.
     *
     * [dp] {number} Integer, 0 to MAX_DP inclusive.
     * [rm] 0, 1, 2 or 3 (ROUND_DOWN, ROUND_HALF_UP, ROUND_HALF_EVEN, ROUND_UP)
     */
    P.round = function (dp, rm) {
        var x = this,
            Big = x.constructor;

        if (dp == null) {
            dp = 0;
        } else if (dp !== ~~dp || dp < 0 || dp > MAX_DP) {
            throwErr('!round!');
        }
        rnd(x = new Big(x), dp, rm == null ? Big.RM : rm);

        return x;
    };


    /*
     * Return a new Big whose value is the square root of the value of this Big,
     * rounded, if necessary, to a maximum of Big.DP decimal places using
     * rounding mode Big.RM.
     */
    P.sqrt = function () {
        var estimate, r, approx,
            x = this,
            Big = x.constructor,
            xc = x.c,
            i = x.s,
            e = x.e,
            half = new Big('0.5');

        // Zero?
        if (!xc[0]) {
            return new Big(x);
        }

        // If negative, throw NaN.
        if (i < 0) {
            throwErr(NaN);
        }

        // Estimate.
        i = Math.sqrt(x.toString());

        // Math.sqrt underflow/overflow?
        // Pass x to Math.sqrt as integer, then adjust the result exponent.
        if (i === 0 || i === 1 / 0) {
            estimate = xc.join('');

            if (!(estimate.length + e & 1)) {
                estimate += '0';
            }

            r = new Big( Math.sqrt(estimate).toString() );
            r.e = ((e + 1) / 2 | 0) - (e < 0 || e & 1);
        } else {
            r = new Big(i.toString());
        }

        i = r.e + (Big.DP += 4);

        // Newton-Raphson iteration.
        do {
            approx = r;
            r = half.times( approx.plus( x.div(approx) ) );
        } while ( approx.c.slice(0, i).join('') !==
                       r.c.slice(0, i).join('') );

        rnd(r, Big.DP -= 4, Big.RM);

        return r;
    };


    /*
     * Return a new Big whose value is the value of this Big times the value of
     * Big y.
     */
    P.mul = P.times = function (y) {
        var c,
            x = this,
            Big = x.constructor,
            xc = x.c,
            yc = (y = new Big(y)).c,
            a = xc.length,
            b = yc.length,
            i = x.e,
            j = y.e;

        // Determine sign of result.
        y.s = x.s == y.s ? 1 : -1;

        // Return signed 0 if either 0.
        if (!xc[0] || !yc[0]) {
            return new Big(y.s * 0);
        }

        // Initialise exponent of result as x.e + y.e.
        y.e = i + j;

        // If array xc has fewer digits than yc, swap xc and yc, and lengths.
        if (a < b) {
            c = xc;
            xc = yc;
            yc = c;
            j = a;
            a = b;
            b = j;
        }

        // Initialise coefficient array of result with zeros.
        for (c = new Array(j = a + b); j--; c[j] = 0) {
        }

        // Multiply.

        // i is initially xc.length.
        for (i = b; i--;) {
            b = 0;

            // a is yc.length.
            for (j = a + i; j > i;) {

                // Current sum of products at this digit position, plus carry.
                b = c[j] + yc[i] * xc[j - i - 1] + b;
                c[j--] = b % 10;

                // carry
                b = b / 10 | 0;
            }
            c[j] = (c[j] + b) % 10;
        }

        // Increment result exponent if there is a final carry.
        if (b) {
            ++y.e;
        }

        // Remove any leading zero.
        if (!c[0]) {
            c.shift();
        }

        // Remove trailing zeros.
        for (i = c.length; !c[--i]; c.pop()) {
        }
        y.c = c;

        return y;
    };


    /*
     * Return a string representing the value of this Big.
     * Return exponential notation if this Big has a positive exponent equal to
     * or greater than Big.E_POS, or a negative exponent equal to or less than
     * Big.E_NEG.
     */
    P.toString = P.valueOf = P.toJSON = function () {
        var x = this,
            Big = x.constructor,
            e = x.e,
            str = x.c.join(''),
            strL = str.length;

        // Exponential notation?
        if (e <= Big.E_NEG || e >= Big.E_POS) {
            str = str.charAt(0) + (strL > 1 ? '.' + str.slice(1) : '') +
              (e < 0 ? 'e' : 'e+') + e;

        // Negative exponent?
        } else if (e < 0) {

            // Prepend zeros.
            for (; ++e; str = '0' + str) {
            }
            str = '0.' + str;

        // Positive exponent?
        } else if (e > 0) {

            if (++e > strL) {

                // Append zeros.
                for (e -= strL; e-- ; str += '0') {
                }
            } else if (e < strL) {
                str = str.slice(0, e) + '.' + str.slice(e);
            }

        // Exponent zero.
        } else if (strL > 1) {
            str = str.charAt(0) + '.' + str.slice(1);
        }

        // Avoid '-0'
        return x.s < 0 && x.c[0] ? '-' + str : str;
    };


    /*
     ***************************************************************************
     * If toExponential, toFixed, toPrecision and format are not required they
     * can safely be commented-out or deleted. No redundant code will be left.
     * format is used only by toExponential, toFixed and toPrecision.
     ***************************************************************************
     */


    /*
     * Return a string representing the value of this Big in exponential
     * notation to dp fixed decimal places and rounded, if necessary, using
     * Big.RM.
     *
     * [dp] {number} Integer, 0 to MAX_DP inclusive.
     */
    P.toExponential = function (dp) {

        if (dp == null) {
            dp = this.c.length - 1;
        } else if (dp !== ~~dp || dp < 0 || dp > MAX_DP) {
            throwErr('!toExp!');
        }

        return format(this, dp, 1);
    };


    /*
     * Return a string representing the value of this Big in normal notation
     * to dp fixed decimal places and rounded, if necessary, using Big.RM.
     *
     * [dp] {number} Integer, 0 to MAX_DP inclusive.
     */
    P.toFixed = function (dp) {
        var str,
            x = this,
            Big = x.constructor,
            neg = Big.E_NEG,
            pos = Big.E_POS;

        // Prevent the possibility of exponential notation.
        Big.E_NEG = -(Big.E_POS = 1 / 0);

        if (dp == null) {
            str = x.toString();
        } else if (dp === ~~dp && dp >= 0 && dp <= MAX_DP) {
            str = format(x, x.e + dp);

            // (-0).toFixed() is '0', but (-0.1).toFixed() is '-0'.
            // (-0).toFixed(1) is '0.0', but (-0.01).toFixed(1) is '-0.0'.
            if (x.s < 0 && x.c[0] && str.indexOf('-') < 0) {
        //E.g. -0.5 if rounded to -0 will cause toString to omit the minus sign.
                str = '-' + str;
            }
        }
        Big.E_NEG = neg;
        Big.E_POS = pos;

        if (!str) {
            throwErr('!toFix!');
        }

        return str;
    };


    /*
     * Return a string representing the value of this Big rounded to sd
     * significant digits using Big.RM. Use exponential notation if sd is less
     * than the number of digits necessary to represent the integer part of the
     * value in normal notation.
     *
     * sd {number} Integer, 1 to MAX_DP inclusive.
     */
    P.toPrecision = function (sd) {

        if (sd == null) {
            return this.toString();
        } else if (sd !== ~~sd || sd < 1 || sd > MAX_DP) {
            throwErr('!toPre!');
        }

        return format(this, sd - 1, 2);
    };


    // Export


    Big = bigFactory();

    //AMD.
    if (typeof define === 'function' && define.amd) {
        define(function () {
            return Big;
        });

    // Node and other CommonJS-like environments that support module.exports.
    } else if (typeof module !== 'undefined' && module.exports) {
        module.exports = Big;

    //Browser.
    } else {
        global.Big = Big;
    }
})(this);

},{}],6:[function(require,module,exports){
(function (global){
/*!
 * The buffer module from node.js, for the browser.
 *
 * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
 * @license  MIT
 */
/* eslint-disable no-proto */

'use strict'

var base64 = require('base64-js')
var ieee754 = require('ieee754')
var isArray = require('isarray')

exports.Buffer = Buffer
exports.SlowBuffer = SlowBuffer
exports.INSPECT_MAX_BYTES = 50

/**
 * If `Buffer.TYPED_ARRAY_SUPPORT`:
 *   === true    Use Uint8Array implementation (fastest)
 *   === false   Use Object implementation (most compatible, even IE6)
 *
 * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
 * Opera 11.6+, iOS 4.2+.
 *
 * Due to various browser bugs, sometimes the Object implementation will be used even
 * when the browser supports typed arrays.
 *
 * Note:
 *
 *   - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,
 *     See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.
 *
 *   - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.
 *
 *   - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of
 *     incorrect length in some situations.

 * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they
 * get the Object implementation, which is slower but behaves correctly.
 */
Buffer.TYPED_ARRAY_SUPPORT = global.TYPED_ARRAY_SUPPORT !== undefined
  ? global.TYPED_ARRAY_SUPPORT
  : typedArraySupport()

/*
 * Export kMaxLength after typed array support is determined.
 */
exports.kMaxLength = kMaxLength()

function typedArraySupport () {
  try {
    var arr = new Uint8Array(1)
    arr.__proto__ = {__proto__: Uint8Array.prototype, foo: function () { return 42 }}
    return arr.foo() === 42 && // typed array instances can be augmented
        typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray`
        arr.subarray(1, 1).byteLength === 0 // ie10 has broken `subarray`
  } catch (e) {
    return false
  }
}

function kMaxLength () {
  return Buffer.TYPED_ARRAY_SUPPORT
    ? 0x7fffffff
    : 0x3fffffff
}

function createBuffer (that, length) {
  if (kMaxLength() < length) {
    throw new RangeError('Invalid typed array length')
  }
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    // Return an augmented `Uint8Array` instance, for best performance
    that = new Uint8Array(length)
    that.__proto__ = Buffer.prototype
  } else {
    // Fallback: Return an object instance of the Buffer class
    if (that === null) {
      that = new Buffer(length)
    }
    that.length = length
  }

  return that
}

/**
 * The Buffer constructor returns instances of `Uint8Array` that have their
 * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
 * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
 * and the `Uint8Array` methods. Square bracket notation works as expected -- it
 * returns a single octet.
 *
 * The `Uint8Array` prototype remains unmodified.
 */

function Buffer (arg, encodingOrOffset, length) {
  if (!Buffer.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer)) {
    return new Buffer(arg, encodingOrOffset, length)
  }

  // Common case.
  if (typeof arg === 'number') {
    if (typeof encodingOrOffset === 'string') {
      throw new Error(
        'If encoding is specified then the first argument must be a string'
      )
    }
    return allocUnsafe(this, arg)
  }
  return from(this, arg, encodingOrOffset, length)
}

Buffer.poolSize = 8192 // not used by this implementation

// TODO: Legacy, not needed anymore. Remove in next major version.
Buffer._augment = function (arr) {
  arr.__proto__ = Buffer.prototype
  return arr
}

function from (that, value, encodingOrOffset, length) {
  if (typeof value === 'number') {
    throw new TypeError('"value" argument must not be a number')
  }

  if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) {
    return fromArrayBuffer(that, value, encodingOrOffset, length)
  }

  if (typeof value === 'string') {
    return fromString(that, value, encodingOrOffset)
  }

  return fromObject(that, value)
}

/**
 * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
 * if value is a number.
 * Buffer.from(str[, encoding])
 * Buffer.from(array)
 * Buffer.from(buffer)
 * Buffer.from(arrayBuffer[, byteOffset[, length]])
 **/
Buffer.from = function (value, encodingOrOffset, length) {
  return from(null, value, encodingOrOffset, length)
}

if (Buffer.TYPED_ARRAY_SUPPORT) {
  Buffer.prototype.__proto__ = Uint8Array.prototype
  Buffer.__proto__ = Uint8Array
  if (typeof Symbol !== 'undefined' && Symbol.species &&
      Buffer[Symbol.species] === Buffer) {
    // Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97
    Object.defineProperty(Buffer, Symbol.species, {
      value: null,
      configurable: true
    })
  }
}

function assertSize (size) {
  if (typeof size !== 'number') {
    throw new TypeError('"size" argument must be a number')
  } else if (size < 0) {
    throw new RangeError('"size" argument must not be negative')
  }
}

function alloc (that, size, fill, encoding) {
  assertSize(size)
  if (size <= 0) {
    return createBuffer(that, size)
  }
  if (fill !== undefined) {
    // Only pay attention to encoding if it's a string. This
    // prevents accidentally sending in a number that would
    // be interpretted as a start offset.
    return typeof encoding === 'string'
      ? createBuffer(that, size).fill(fill, encoding)
      : createBuffer(that, size).fill(fill)
  }
  return createBuffer(that, size)
}

/**
 * Creates a new filled Buffer instance.
 * alloc(size[, fill[, encoding]])
 **/
Buffer.alloc = function (size, fill, encoding) {
  return alloc(null, size, fill, encoding)
}

function allocUnsafe (that, size) {
  assertSize(size)
  that = createBuffer(that, size < 0 ? 0 : checked(size) | 0)
  if (!Buffer.TYPED_ARRAY_SUPPORT) {
    for (var i = 0; i < size; ++i) {
      that[i] = 0
    }
  }
  return that
}

/**
 * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
 * */
Buffer.allocUnsafe = function (size) {
  return allocUnsafe(null, size)
}
/**
 * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
 */
Buffer.allocUnsafeSlow = function (size) {
  return allocUnsafe(null, size)
}

function fromString (that, string, encoding) {
  if (typeof encoding !== 'string' || encoding === '') {
    encoding = 'utf8'
  }

  if (!Buffer.isEncoding(encoding)) {
    throw new TypeError('"encoding" must be a valid string encoding')
  }

  var length = byteLength(string, encoding) | 0
  that = createBuffer(that, length)

  var actual = that.write(string, encoding)

  if (actual !== length) {
    // Writing a hex string, for example, that contains invalid characters will
    // cause everything after the first invalid character to be ignored. (e.g.
    // 'abxxcd' will be treated as 'ab')
    that = that.slice(0, actual)
  }

  return that
}

function fromArrayLike (that, array) {
  var length = array.length < 0 ? 0 : checked(array.length) | 0
  that = createBuffer(that, length)
  for (var i = 0; i < length; i += 1) {
    that[i] = array[i] & 255
  }
  return that
}

function fromArrayBuffer (that, array, byteOffset, length) {
  array.byteLength // this throws if `array` is not a valid ArrayBuffer

  if (byteOffset < 0 || array.byteLength < byteOffset) {
    throw new RangeError('\'offset\' is out of bounds')
  }

  if (array.byteLength < byteOffset + (length || 0)) {
    throw new RangeError('\'length\' is out of bounds')
  }

  if (byteOffset === undefined && length === undefined) {
    array = new Uint8Array(array)
  } else if (length === undefined) {
    array = new Uint8Array(array, byteOffset)
  } else {
    array = new Uint8Array(array, byteOffset, length)
  }

  if (Buffer.TYPED_ARRAY_SUPPORT) {
    // Return an augmented `Uint8Array` instance, for best performance
    that = array
    that.__proto__ = Buffer.prototype
  } else {
    // Fallback: Return an object instance of the Buffer class
    that = fromArrayLike(that, array)
  }
  return that
}

function fromObject (that, obj) {
  if (Buffer.isBuffer(obj)) {
    var len = checked(obj.length) | 0
    that = createBuffer(that, len)

    if (that.length === 0) {
      return that
    }

    obj.copy(that, 0, 0, len)
    return that
  }

  if (obj) {
    if ((typeof ArrayBuffer !== 'undefined' &&
        obj.buffer instanceof ArrayBuffer) || 'length' in obj) {
      if (typeof obj.length !== 'number' || isnan(obj.length)) {
        return createBuffer(that, 0)
      }
      return fromArrayLike(that, obj)
    }

    if (obj.type === 'Buffer' && isArray(obj.data)) {
      return fromArrayLike(that, obj.data)
    }
  }

  throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.')
}

function checked (length) {
  // Note: cannot use `length < kMaxLength()` here because that fails when
  // length is NaN (which is otherwise coerced to zero.)
  if (length >= kMaxLength()) {
    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
                         'size: 0x' + kMaxLength().toString(16) + ' bytes')
  }
  return length | 0
}

function SlowBuffer (length) {
  if (+length != length) { // eslint-disable-line eqeqeq
    length = 0
  }
  return Buffer.alloc(+length)
}

Buffer.isBuffer = function isBuffer (b) {
  return !!(b != null && b._isBuffer)
}

Buffer.compare = function compare (a, b) {
  if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
    throw new TypeError('Arguments must be Buffers')
  }

  if (a === b) return 0

  var x = a.length
  var y = b.length

  for (var i = 0, len = Math.min(x, y); i < len; ++i) {
    if (a[i] !== b[i]) {
      x = a[i]
      y = b[i]
      break
    }
  }

  if (x < y) return -1
  if (y < x) return 1
  return 0
}

Buffer.isEncoding = function isEncoding (encoding) {
  switch (String(encoding).toLowerCase()) {
    case 'hex':
    case 'utf8':
    case 'utf-8':
    case 'ascii':
    case 'latin1':
    case 'binary':
    case 'base64':
    case 'ucs2':
    case 'ucs-2':
    case 'utf16le':
    case 'utf-16le':
      return true
    default:
      return false
  }
}

Buffer.concat = function concat (list, length) {
  if (!isArray(list)) {
    throw new TypeError('"list" argument must be an Array of Buffers')
  }

  if (list.length === 0) {
    return Buffer.alloc(0)
  }

  var i
  if (length === undefined) {
    length = 0
    for (i = 0; i < list.length; ++i) {
      length += list[i].length
    }
  }

  var buffer = Buffer.allocUnsafe(length)
  var pos = 0
  for (i = 0; i < list.length; ++i) {
    var buf = list[i]
    if (!Buffer.isBuffer(buf)) {
      throw new TypeError('"list" argument must be an Array of Buffers')
    }
    buf.copy(buffer, pos)
    pos += buf.length
  }
  return buffer
}

function byteLength (string, encoding) {
  if (Buffer.isBuffer(string)) {
    return string.length
  }
  if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' &&
      (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) {
    return string.byteLength
  }
  if (typeof string !== 'string') {
    string = '' + string
  }

  var len = string.length
  if (len === 0) return 0

  // Use a for loop to avoid recursion
  var loweredCase = false
  for (;;) {
    switch (encoding) {
      case 'ascii':
      case 'latin1':
      case 'binary':
        return len
      case 'utf8':
      case 'utf-8':
      case undefined:
        return utf8ToBytes(string).length
      case 'ucs2':
      case 'ucs-2':
      case 'utf16le':
      case 'utf-16le':
        return len * 2
      case 'hex':
        return len >>> 1
      case 'base64':
        return base64ToBytes(string).length
      default:
        if (loweredCase) return utf8ToBytes(string).length // assume utf8
        encoding = ('' + encoding).toLowerCase()
        loweredCase = true
    }
  }
}
Buffer.byteLength = byteLength

function slowToString (encoding, start, end) {
  var loweredCase = false

  // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
  // property of a typed array.

  // This behaves neither like String nor Uint8Array in that we set start/end
  // to their upper/lower bounds if the value passed is out of range.
  // undefined is handled specially as per ECMA-262 6th Edition,
  // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
  if (start === undefined || start < 0) {
    start = 0
  }
  // Return early if start > this.length. Done here to prevent potential uint32
  // coercion fail below.
  if (start > this.length) {
    return ''
  }

  if (end === undefined || end > this.length) {
    end = this.length
  }

  if (end <= 0) {
    return ''
  }

  // Force coersion to uint32. This will also coerce falsey/NaN values to 0.
  end >>>= 0
  start >>>= 0

  if (end <= start) {
    return ''
  }

  if (!encoding) encoding = 'utf8'

  while (true) {
    switch (encoding) {
      case 'hex':
        return hexSlice(this, start, end)

      case 'utf8':
      case 'utf-8':
        return utf8Slice(this, start, end)

      case 'ascii':
        return asciiSlice(this, start, end)

      case 'latin1':
      case 'binary':
        return latin1Slice(this, start, end)

      case 'base64':
        return base64Slice(this, start, end)

      case 'ucs2':
      case 'ucs-2':
      case 'utf16le':
      case 'utf-16le':
        return utf16leSlice(this, start, end)

      default:
        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
        encoding = (encoding + '').toLowerCase()
        loweredCase = true
    }
  }
}

// The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect
// Buffer instances.
Buffer.prototype._isBuffer = true

function swap (b, n, m) {
  var i = b[n]
  b[n] = b[m]
  b[m] = i
}

Buffer.prototype.swap16 = function swap16 () {
  var len = this.length
  if (len % 2 !== 0) {
    throw new RangeError('Buffer size must be a multiple of 16-bits')
  }
  for (var i = 0; i < len; i += 2) {
    swap(this, i, i + 1)
  }
  return this
}

Buffer.prototype.swap32 = function swap32 () {
  var len = this.length
  if (len % 4 !== 0) {
    throw new RangeError('Buffer size must be a multiple of 32-bits')
  }
  for (var i = 0; i < len; i += 4) {
    swap(this, i, i + 3)
    swap(this, i + 1, i + 2)
  }
  return this
}

Buffer.prototype.swap64 = function swap64 () {
  var len = this.length
  if (len % 8 !== 0) {
    throw new RangeError('Buffer size must be a multiple of 64-bits')
  }
  for (var i = 0; i < len; i += 8) {
    swap(this, i, i + 7)
    swap(this, i + 1, i + 6)
    swap(this, i + 2, i + 5)
    swap(this, i + 3, i + 4)
  }
  return this
}

Buffer.prototype.toString = function toString () {
  var length = this.length | 0
  if (length === 0) return ''
  if (arguments.length === 0) return utf8Slice(this, 0, length)
  return slowToString.apply(this, arguments)
}

Buffer.prototype.equals = function equals (b) {
  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
  if (this === b) return true
  return Buffer.compare(this, b) === 0
}

Buffer.prototype.inspect = function inspect () {
  var str = ''
  var max = exports.INSPECT_MAX_BYTES
  if (this.length > 0) {
    str = this.toString('hex', 0, max).match(/.{2}/g).join(' ')
    if (this.length > max) str += ' ... '
  }
  return '<Buffer ' + str + '>'
}

Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {
  if (!Buffer.isBuffer(target)) {
    throw new TypeError('Argument must be a Buffer')
  }

  if (start === undefined) {
    start = 0
  }
  if (end === undefined) {
    end = target ? target.length : 0
  }
  if (thisStart === undefined) {
    thisStart = 0
  }
  if (thisEnd === undefined) {
    thisEnd = this.length
  }

  if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
    throw new RangeError('out of range index')
  }

  if (thisStart >= thisEnd && start >= end) {
    return 0
  }
  if (thisStart >= thisEnd) {
    return -1
  }
  if (start >= end) {
    return 1
  }

  start >>>= 0
  end >>>= 0
  thisStart >>>= 0
  thisEnd >>>= 0

  if (this === target) return 0

  var x = thisEnd - thisStart
  var y = end - start
  var len = Math.min(x, y)

  var thisCopy = this.slice(thisStart, thisEnd)
  var targetCopy = target.slice(start, end)

  for (var i = 0; i < len; ++i) {
    if (thisCopy[i] !== targetCopy[i]) {
      x = thisCopy[i]
      y = targetCopy[i]
      break
    }
  }

  if (x < y) return -1
  if (y < x) return 1
  return 0
}

// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
//
// Arguments:
// - buffer - a Buffer to search
// - val - a string, Buffer, or number
// - byteOffset - an index into `buffer`; will be clamped to an int32
// - encoding - an optional encoding, relevant is val is a string
// - dir - true for indexOf, false for lastIndexOf
function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {
  // Empty buffer means no match
  if (buffer.length === 0) return -1

  // Normalize byteOffset
  if (typeof byteOffset === 'string') {
    encoding = byteOffset
    byteOffset = 0
  } else if (byteOffset > 0x7fffffff) {
    byteOffset = 0x7fffffff
  } else if (byteOffset < -0x80000000) {
    byteOffset = -0x80000000
  }
  byteOffset = +byteOffset  // Coerce to Number.
  if (isNaN(byteOffset)) {
    // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
    byteOffset = dir ? 0 : (buffer.length - 1)
  }

  // Normalize byteOffset: negative offsets start from the end of the buffer
  if (byteOffset < 0) byteOffset = buffer.length + byteOffset
  if (byteOffset >= buffer.length) {
    if (dir) return -1
    else byteOffset = buffer.length - 1
  } else if (byteOffset < 0) {
    if (dir) byteOffset = 0
    else return -1
  }

  // Normalize val
  if (typeof val === 'string') {
    val = Buffer.from(val, encoding)
  }

  // Finally, search either indexOf (if dir is true) or lastIndexOf
  if (Buffer.isBuffer(val)) {
    // Special case: looking for empty string/buffer always fails
    if (val.length === 0) {
      return -1
    }
    return arrayIndexOf(buffer, val, byteOffset, encoding, dir)
  } else if (typeof val === 'number') {
    val = val & 0xFF // Search for a byte value [0-255]
    if (Buffer.TYPED_ARRAY_SUPPORT &&
        typeof Uint8Array.prototype.indexOf === 'function') {
      if (dir) {
        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)
      } else {
        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)
      }
    }
    return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir)
  }

  throw new TypeError('val must be string, number or Buffer')
}

function arrayIndexOf (arr, val, byteOffset, encoding, dir) {
  var indexSize = 1
  var arrLength = arr.length
  var valLength = val.length

  if (encoding !== undefined) {
    encoding = String(encoding).toLowerCase()
    if (encoding === 'ucs2' || encoding === 'ucs-2' ||
        encoding === 'utf16le' || encoding === 'utf-16le') {
      if (arr.length < 2 || val.length < 2) {
        return -1
      }
      indexSize = 2
      arrLength /= 2
      valLength /= 2
      byteOffset /= 2
    }
  }

  function read (buf, i) {
    if (indexSize === 1) {
      return buf[i]
    } else {
      return buf.readUInt16BE(i * indexSize)
    }
  }

  var i
  if (dir) {
    var foundIndex = -1
    for (i = byteOffset; i < arrLength; i++) {
      if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
        if (foundIndex === -1) foundIndex = i
        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
      } else {
        if (foundIndex !== -1) i -= i - foundIndex
        foundIndex = -1
      }
    }
  } else {
    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength
    for (i = byteOffset; i >= 0; i--) {
      var found = true
      for (var j = 0; j < valLength; j++) {
        if (read(arr, i + j) !== read(val, j)) {
          found = false
          break
        }
      }
      if (found) return i
    }
  }

  return -1
}

Buffer.prototype.includes = function includes (val, byteOffset, encoding) {
  return this.indexOf(val, byteOffset, encoding) !== -1
}

Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
  return bidirectionalIndexOf(this, val, byteOffset, encoding, true)
}

Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {
  return bidirectionalIndexOf(this, val, byteOffset, encoding, false)
}

function hexWrite (buf, string, offset, length) {
  offset = Number(offset) || 0
  var remaining = buf.length - offset
  if (!length) {
    length = remaining
  } else {
    length = Number(length)
    if (length > remaining) {
      length = remaining
    }
  }

  // must be an even number of digits
  var strLen = string.length
  if (strLen % 2 !== 0) throw new TypeError('Invalid hex string')

  if (length > strLen / 2) {
    length = strLen / 2
  }
  for (var i = 0; i < length; ++i) {
    var parsed = parseInt(string.substr(i * 2, 2), 16)
    if (isNaN(parsed)) return i
    buf[offset + i] = parsed
  }
  return i
}

function utf8Write (buf, string, offset, length) {
  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
}

function asciiWrite (buf, string, offset, length) {
  return blitBuffer(asciiToBytes(string), buf, offset, length)
}

function latin1Write (buf, string, offset, length) {
  return asciiWrite(buf, string, offset, length)
}

function base64Write (buf, string, offset, length) {
  return blitBuffer(base64ToBytes(string), buf, offset, length)
}

function ucs2Write (buf, string, offset, length) {
  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
}

Buffer.prototype.write = function write (string, offset, length, encoding) {
  // Buffer#write(string)
  if (offset === undefined) {
    encoding = 'utf8'
    length = this.length
    offset = 0
  // Buffer#write(string, encoding)
  } else if (length === undefined && typeof offset === 'string') {
    encoding = offset
    length = this.length
    offset = 0
  // Buffer#write(string, offset[, length][, encoding])
  } else if (isFinite(offset)) {
    offset = offset | 0
    if (isFinite(length)) {
      length = length | 0
      if (encoding === undefined) encoding = 'utf8'
    } else {
      encoding = length
      length = undefined
    }
  // legacy write(string, encoding, offset, length) - remove in v0.13
  } else {
    throw new Error(
      'Buffer.write(string, encoding, offset[, length]) is no longer supported'
    )
  }

  var remaining = this.length - offset
  if (length === undefined || length > remaining) length = remaining

  if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
    throw new RangeError('Attempt to write outside buffer bounds')
  }

  if (!encoding) encoding = 'utf8'

  var loweredCase = false
  for (;;) {
    switch (encoding) {
      case 'hex':
        return hexWrite(this, string, offset, length)

      case 'utf8':
      case 'utf-8':
        return utf8Write(this, string, offset, length)

      case 'ascii':
        return asciiWrite(this, string, offset, length)

      case 'latin1':
      case 'binary':
        return latin1Write(this, string, offset, length)

      case 'base64':
        // Warning: maxLength not taken into account in base64Write
        return base64Write(this, string, offset, length)

      case 'ucs2':
      case 'ucs-2':
      case 'utf16le':
      case 'utf-16le':
        return ucs2Write(this, string, offset, length)

      default:
        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
        encoding = ('' + encoding).toLowerCase()
        loweredCase = true
    }
  }
}

Buffer.prototype.toJSON = function toJSON () {
  return {
    type: 'Buffer',
    data: Array.prototype.slice.call(this._arr || this, 0)
  }
}

function base64Slice (buf, start, end) {
  if (start === 0 && end === buf.length) {
    return base64.fromByteArray(buf)
  } else {
    return base64.fromByteArray(buf.slice(start, end))
  }
}

function utf8Slice (buf, start, end) {
  end = Math.min(buf.length, end)
  var res = []

  var i = start
  while (i < end) {
    var firstByte = buf[i]
    var codePoint = null
    var bytesPerSequence = (firstByte > 0xEF) ? 4
      : (firstByte > 0xDF) ? 3
      : (firstByte > 0xBF) ? 2
      : 1

    if (i + bytesPerSequence <= end) {
      var secondByte, thirdByte, fourthByte, tempCodePoint

      switch (bytesPerSequence) {
        case 1:
          if (firstByte < 0x80) {
            codePoint = firstByte
          }
          break
        case 2:
          secondByte = buf[i + 1]
          if ((secondByte & 0xC0) === 0x80) {
            tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)
            if (tempCodePoint > 0x7F) {
              codePoint = tempCodePoint
            }
          }
          break
        case 3:
          secondByte = buf[i + 1]
          thirdByte = buf[i + 2]
          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)
            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
              codePoint = tempCodePoint
            }
          }
          break
        case 4:
          secondByte = buf[i + 1]
          thirdByte = buf[i + 2]
          fourthByte = buf[i + 3]
          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)
            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
              codePoint = tempCodePoint
            }
          }
      }
    }

    if (codePoint === null) {
      // we did not generate a valid codePoint so insert a
      // replacement char (U+FFFD) and advance only 1 byte
      codePoint = 0xFFFD
      bytesPerSequence = 1
    } else if (codePoint > 0xFFFF) {
      // encode to utf16 (surrogate pair dance)
      codePoint -= 0x10000
      res.push(codePoint >>> 10 & 0x3FF | 0xD800)
      codePoint = 0xDC00 | codePoint & 0x3FF
    }

    res.push(codePoint)
    i += bytesPerSequence
  }

  return decodeCodePointsArray(res)
}

// Based on http://stackoverflow.com/a/22747272/680742, the browser with
// the lowest limit is Chrome, with 0x10000 args.
// We go 1 magnitude less, for safety
var MAX_ARGUMENTS_LENGTH = 0x1000

function decodeCodePointsArray (codePoints) {
  var len = codePoints.length
  if (len <= MAX_ARGUMENTS_LENGTH) {
    return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
  }

  // Decode in chunks to avoid "call stack size exceeded".
  var res = ''
  var i = 0
  while (i < len) {
    res += String.fromCharCode.apply(
      String,
      codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
    )
  }
  return res
}

function asciiSlice (buf, start, end) {
  var ret = ''
  end = Math.min(buf.length, end)

  for (var i = start; i < end; ++i) {
    ret += String.fromCharCode(buf[i] & 0x7F)
  }
  return ret
}

function latin1Slice (buf, start, end) {
  var ret = ''
  end = Math.min(buf.length, end)

  for (var i = start; i < end; ++i) {
    ret += String.fromCharCode(buf[i])
  }
  return ret
}

function hexSlice (buf, start, end) {
  var len = buf.length

  if (!start || start < 0) start = 0
  if (!end || end < 0 || end > len) end = len

  var out = ''
  for (var i = start; i < end; ++i) {
    out += toHex(buf[i])
  }
  return out
}

function utf16leSlice (buf, start, end) {
  var bytes = buf.slice(start, end)
  var res = ''
  for (var i = 0; i < bytes.length; i += 2) {
    res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256)
  }
  return res
}

Buffer.prototype.slice = function slice (start, end) {
  var len = this.length
  start = ~~start
  end = end === undefined ? len : ~~end

  if (start < 0) {
    start += len
    if (start < 0) start = 0
  } else if (start > len) {
    start = len
  }

  if (end < 0) {
    end += len
    if (end < 0) end = 0
  } else if (end > len) {
    end = len
  }

  if (end < start) end = start

  var newBuf
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    newBuf = this.subarray(start, end)
    newBuf.__proto__ = Buffer.prototype
  } else {
    var sliceLen = end - start
    newBuf = new Buffer(sliceLen, undefined)
    for (var i = 0; i < sliceLen; ++i) {
      newBuf[i] = this[i + start]
    }
  }

  return newBuf
}

/*
 * Need to make sure that buffer isn't trying to write out of bounds.
 */
function checkOffset (offset, ext, length) {
  if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
}

Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
  offset = offset | 0
  byteLength = byteLength | 0
  if (!noAssert) checkOffset(offset, byteLength, this.length)

  var val = this[offset]
  var mul = 1
  var i = 0
  while (++i < byteLength && (mul *= 0x100)) {
    val += this[offset + i] * mul
  }

  return val
}

Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
  offset = offset | 0
  byteLength = byteLength | 0
  if (!noAssert) {
    checkOffset(offset, byteLength, this.length)
  }

  var val = this[offset + --byteLength]
  var mul = 1
  while (byteLength > 0 && (mul *= 0x100)) {
    val += this[offset + --byteLength] * mul
  }

  return val
}

Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 1, this.length)
  return this[offset]
}

Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 2, this.length)
  return this[offset] | (this[offset + 1] << 8)
}

Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 2, this.length)
  return (this[offset] << 8) | this[offset + 1]
}

Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 4, this.length)

  return ((this[offset]) |
      (this[offset + 1] << 8) |
      (this[offset + 2] << 16)) +
      (this[offset + 3] * 0x1000000)
}

Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 4, this.length)

  return (this[offset] * 0x1000000) +
    ((this[offset + 1] << 16) |
    (this[offset + 2] << 8) |
    this[offset + 3])
}

Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
  offset = offset | 0
  byteLength = byteLength | 0
  if (!noAssert) checkOffset(offset, byteLength, this.length)

  var val = this[offset]
  var mul = 1
  var i = 0
  while (++i < byteLength && (mul *= 0x100)) {
    val += this[offset + i] * mul
  }
  mul *= 0x80

  if (val >= mul) val -= Math.pow(2, 8 * byteLength)

  return val
}

Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
  offset = offset | 0
  byteLength = byteLength | 0
  if (!noAssert) checkOffset(offset, byteLength, this.length)

  var i = byteLength
  var mul = 1
  var val = this[offset + --i]
  while (i > 0 && (mul *= 0x100)) {
    val += this[offset + --i] * mul
  }
  mul *= 0x80

  if (val >= mul) val -= Math.pow(2, 8 * byteLength)

  return val
}

Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 1, this.length)
  if (!(this[offset] & 0x80)) return (this[offset])
  return ((0xff - this[offset] + 1) * -1)
}

Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 2, this.length)
  var val = this[offset] | (this[offset + 1] << 8)
  return (val & 0x8000) ? val | 0xFFFF0000 : val
}

Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 2, this.length)
  var val = this[offset + 1] | (this[offset] << 8)
  return (val & 0x8000) ? val | 0xFFFF0000 : val
}

Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 4, this.length)

  return (this[offset]) |
    (this[offset + 1] << 8) |
    (this[offset + 2] << 16) |
    (this[offset + 3] << 24)
}

Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 4, this.length)

  return (this[offset] << 24) |
    (this[offset + 1] << 16) |
    (this[offset + 2] << 8) |
    (this[offset + 3])
}

Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 4, this.length)
  return ieee754.read(this, offset, true, 23, 4)
}

Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 4, this.length)
  return ieee754.read(this, offset, false, 23, 4)
}

Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 8, this.length)
  return ieee754.read(this, offset, true, 52, 8)
}

Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 8, this.length)
  return ieee754.read(this, offset, false, 52, 8)
}

function checkInt (buf, value, offset, ext, max, min) {
  if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance')
  if (value > max || value < min) throw new RangeError('"value" argument is out of bounds')
  if (offset + ext > buf.length) throw new RangeError('Index out of range')
}

Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset | 0
  byteLength = byteLength | 0
  if (!noAssert) {
    var maxBytes = Math.pow(2, 8 * byteLength) - 1
    checkInt(this, value, offset, byteLength, maxBytes, 0)
  }

  var mul = 1
  var i = 0
  this[offset] = value & 0xFF
  while (++i < byteLength && (mul *= 0x100)) {
    this[offset + i] = (value / mul) & 0xFF
  }

  return offset + byteLength
}

Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset | 0
  byteLength = byteLength | 0
  if (!noAssert) {
    var maxBytes = Math.pow(2, 8 * byteLength) - 1
    checkInt(this, value, offset, byteLength, maxBytes, 0)
  }

  var i = byteLength - 1
  var mul = 1
  this[offset + i] = value & 0xFF
  while (--i >= 0 && (mul *= 0x100)) {
    this[offset + i] = (value / mul) & 0xFF
  }

  return offset + byteLength
}

Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
  this[offset] = (value & 0xff)
  return offset + 1
}

function objectWriteUInt16 (buf, value, offset, littleEndian) {
  if (value < 0) value = 0xffff + value + 1
  for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; ++i) {
    buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>
      (littleEndian ? i : 1 - i) * 8
  }
}

Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    this[offset] = (value & 0xff)
    this[offset + 1] = (value >>> 8)
  } else {
    objectWriteUInt16(this, value, offset, true)
  }
  return offset + 2
}

Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    this[offset] = (value >>> 8)
    this[offset + 1] = (value & 0xff)
  } else {
    objectWriteUInt16(this, value, offset, false)
  }
  return offset + 2
}

function objectWriteUInt32 (buf, value, offset, littleEndian) {
  if (value < 0) value = 0xffffffff + value + 1
  for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; ++i) {
    buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff
  }
}

Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    this[offset + 3] = (value >>> 24)
    this[offset + 2] = (value >>> 16)
    this[offset + 1] = (value >>> 8)
    this[offset] = (value & 0xff)
  } else {
    objectWriteUInt32(this, value, offset, true)
  }
  return offset + 4
}

Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    this[offset] = (value >>> 24)
    this[offset + 1] = (value >>> 16)
    this[offset + 2] = (value >>> 8)
    this[offset + 3] = (value & 0xff)
  } else {
    objectWriteUInt32(this, value, offset, false)
  }
  return offset + 4
}

Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) {
    var limit = Math.pow(2, 8 * byteLength - 1)

    checkInt(this, value, offset, byteLength, limit - 1, -limit)
  }

  var i = 0
  var mul = 1
  var sub = 0
  this[offset] = value & 0xFF
  while (++i < byteLength && (mul *= 0x100)) {
    if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
      sub = 1
    }
    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
  }

  return offset + byteLength
}

Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) {
    var limit = Math.pow(2, 8 * byteLength - 1)

    checkInt(this, value, offset, byteLength, limit - 1, -limit)
  }

  var i = byteLength - 1
  var mul = 1
  var sub = 0
  this[offset + i] = value & 0xFF
  while (--i >= 0 && (mul *= 0x100)) {
    if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
      sub = 1
    }
    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
  }

  return offset + byteLength
}

Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
  if (value < 0) value = 0xff + value + 1
  this[offset] = (value & 0xff)
  return offset + 1
}

Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    this[offset] = (value & 0xff)
    this[offset + 1] = (value >>> 8)
  } else {
    objectWriteUInt16(this, value, offset, true)
  }
  return offset + 2
}

Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    this[offset] = (value >>> 8)
    this[offset + 1] = (value & 0xff)
  } else {
    objectWriteUInt16(this, value, offset, false)
  }
  return offset + 2
}

Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    this[offset] = (value & 0xff)
    this[offset + 1] = (value >>> 8)
    this[offset + 2] = (value >>> 16)
    this[offset + 3] = (value >>> 24)
  } else {
    objectWriteUInt32(this, value, offset, true)
  }
  return offset + 4
}

Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
  if (value < 0) value = 0xffffffff + value + 1
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    this[offset] = (value >>> 24)
    this[offset + 1] = (value >>> 16)
    this[offset + 2] = (value >>> 8)
    this[offset + 3] = (value & 0xff)
  } else {
    objectWriteUInt32(this, value, offset, false)
  }
  return offset + 4
}

function checkIEEE754 (buf, value, offset, ext, max, min) {
  if (offset + ext > buf.length) throw new RangeError('Index out of range')
  if (offset < 0) throw new RangeError('Index out of range')
}

function writeFloat (buf, value, offset, littleEndian, noAssert) {
  if (!noAssert) {
    checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)
  }
  ieee754.write(buf, value, offset, littleEndian, 23, 4)
  return offset + 4
}

Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
  return writeFloat(this, value, offset, true, noAssert)
}

Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
  return writeFloat(this, value, offset, false, noAssert)
}

function writeDouble (buf, value, offset, littleEndian, noAssert) {
  if (!noAssert) {
    checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)
  }
  ieee754.write(buf, value, offset, littleEndian, 52, 8)
  return offset + 8
}

Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
  return writeDouble(this, value, offset, true, noAssert)
}

Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
  return writeDouble(this, value, offset, false, noAssert)
}

// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
Buffer.prototype.copy = function copy (target, targetStart, start, end) {
  if (!start) start = 0
  if (!end && end !== 0) end = this.length
  if (targetStart >= target.length) targetStart = target.length
  if (!targetStart) targetStart = 0
  if (end > 0 && end < start) end = start

  // Copy 0 bytes; we're done
  if (end === start) return 0
  if (target.length === 0 || this.length === 0) return 0

  // Fatal error conditions
  if (targetStart < 0) {
    throw new RangeError('targetStart out of bounds')
  }
  if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')
  if (end < 0) throw new RangeError('sourceEnd out of bounds')

  // Are we oob?
  if (end > this.length) end = this.length
  if (target.length - targetStart < end - start) {
    end = target.length - targetStart + start
  }

  var len = end - start
  var i

  if (this === target && start < targetStart && targetStart < end) {
    // descending copy from end
    for (i = len - 1; i >= 0; --i) {
      target[i + targetStart] = this[i + start]
    }
  } else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) {
    // ascending copy from start
    for (i = 0; i < len; ++i) {
      target[i + targetStart] = this[i + start]
    }
  } else {
    Uint8Array.prototype.set.call(
      target,
      this.subarray(start, start + len),
      targetStart
    )
  }

  return len
}

// Usage:
//    buffer.fill(number[, offset[, end]])
//    buffer.fill(buffer[, offset[, end]])
//    buffer.fill(string[, offset[, end]][, encoding])
Buffer.prototype.fill = function fill (val, start, end, encoding) {
  // Handle string cases:
  if (typeof val === 'string') {
    if (typeof start === 'string') {
      encoding = start
      start = 0
      end = this.length
    } else if (typeof end === 'string') {
      encoding = end
      end = this.length
    }
    if (val.length === 1) {
      var code = val.charCodeAt(0)
      if (code < 256) {
        val = code
      }
    }
    if (encoding !== undefined && typeof encoding !== 'string') {
      throw new TypeError('encoding must be a string')
    }
    if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
      throw new TypeError('Unknown encoding: ' + encoding)
    }
  } else if (typeof val === 'number') {
    val = val & 255
  }

  // Invalid ranges are not set to a default, so can range check early.
  if (start < 0 || this.length < start || this.length < end) {
    throw new RangeError('Out of range index')
  }

  if (end <= start) {
    return this
  }

  start = start >>> 0
  end = end === undefined ? this.length : end >>> 0

  if (!val) val = 0

  var i
  if (typeof val === 'number') {
    for (i = start; i < end; ++i) {
      this[i] = val
    }
  } else {
    var bytes = Buffer.isBuffer(val)
      ? val
      : utf8ToBytes(new Buffer(val, encoding).toString())
    var len = bytes.length
    for (i = 0; i < end - start; ++i) {
      this[i + start] = bytes[i % len]
    }
  }

  return this
}

// HELPER FUNCTIONS
// ================

var INVALID_BASE64_RE = /[^+\/0-9A-Za-z-_]/g

function base64clean (str) {
  // Node strips out invalid characters like \n and \t from the string, base64-js does not
  str = stringtrim(str).replace(INVALID_BASE64_RE, '')
  // Node converts strings with length < 2 to ''
  if (str.length < 2) return ''
  // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
  while (str.length % 4 !== 0) {
    str = str + '='
  }
  return str
}

function stringtrim (str) {
  if (str.trim) return str.trim()
  return str.replace(/^\s+|\s+$/g, '')
}

function toHex (n) {
  if (n < 16) return '0' + n.toString(16)
  return n.toString(16)
}

function utf8ToBytes (string, units) {
  units = units || Infinity
  var codePoint
  var length = string.length
  var leadSurrogate = null
  var bytes = []

  for (var i = 0; i < length; ++i) {
    codePoint = string.charCodeAt(i)

    // is surrogate component
    if (codePoint > 0xD7FF && codePoint < 0xE000) {
      // last char was a lead
      if (!leadSurrogate) {
        // no lead yet
        if (codePoint > 0xDBFF) {
          // unexpected trail
          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
          continue
        } else if (i + 1 === length) {
          // unpaired lead
          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
          continue
        }

        // valid lead
        leadSurrogate = codePoint

        continue
      }

      // 2 leads in a row
      if (codePoint < 0xDC00) {
        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
        leadSurrogate = codePoint
        continue
      }

      // valid surrogate pair
      codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000
    } else if (leadSurrogate) {
      // valid bmp char, but last char was a lead
      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
    }

    leadSurrogate = null

    // encode utf8
    if (codePoint < 0x80) {
      if ((units -= 1) < 0) break
      bytes.push(codePoint)
    } else if (codePoint < 0x800) {
      if ((units -= 2) < 0) break
      bytes.push(
        codePoint >> 0x6 | 0xC0,
        codePoint & 0x3F | 0x80
      )
    } else if (codePoint < 0x10000) {
      if ((units -= 3) < 0) break
      bytes.push(
        codePoint >> 0xC | 0xE0,
        codePoint >> 0x6 & 0x3F | 0x80,
        codePoint & 0x3F | 0x80
      )
    } else if (codePoint < 0x110000) {
      if ((units -= 4) < 0) break
      bytes.push(
        codePoint >> 0x12 | 0xF0,
        codePoint >> 0xC & 0x3F | 0x80,
        codePoint >> 0x6 & 0x3F | 0x80,
        codePoint & 0x3F | 0x80
      )
    } else {
      throw new Error('Invalid code point')
    }
  }

  return bytes
}

function asciiToBytes (str) {
  var byteArray = []
  for (var i = 0; i < str.length; ++i) {
    // Node's code seems to be doing this and not & 0x7F..
    byteArray.push(str.charCodeAt(i) & 0xFF)
  }
  return byteArray
}

function utf16leToBytes (str, units) {
  var c, hi, lo
  var byteArray = []
  for (var i = 0; i < str.length; ++i) {
    if ((units -= 2) < 0) break

    c = str.charCodeAt(i)
    hi = c >> 8
    lo = c % 256
    byteArray.push(lo)
    byteArray.push(hi)
  }

  return byteArray
}

function base64ToBytes (str) {
  return base64.toByteArray(base64clean(str))
}

function blitBuffer (src, dst, offset, length) {
  for (var i = 0; i < length; ++i) {
    if ((i + offset >= dst.length) || (i >= src.length)) break
    dst[i + offset] = src[i]
  }
  return i
}

function isnan (val) {
  return val !== val // eslint-disable-line no-self-compare
}

}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"base64-js":4,"ieee754":302,"isarray":7}],7:[function(require,module,exports){
var toString = {}.toString;

module.exports = Array.isArray || function (arr) {
  return toString.call(arr) == '[object Array]';
};

},{}],8:[function(require,module,exports){
require('../../modules/core.regexp.escape');
module.exports = require('../../modules/_core').RegExp.escape;
},{"../../modules/_core":29,"../../modules/core.regexp.escape":125}],9:[function(require,module,exports){
module.exports = function(it){
  if(typeof it != 'function')throw TypeError(it + ' is not a function!');
  return it;
};
},{}],10:[function(require,module,exports){
var cof = require('./_cof');
module.exports = function(it, msg){
  if(typeof it != 'number' && cof(it) != 'Number')throw TypeError(msg);
  return +it;
};
},{"./_cof":24}],11:[function(require,module,exports){
// 22.1.3.31 Array.prototype[@@unscopables]
var UNSCOPABLES = require('./_wks')('unscopables')
  , ArrayProto  = Array.prototype;
if(ArrayProto[UNSCOPABLES] == undefined)require('./_hide')(ArrayProto, UNSCOPABLES, {});
module.exports = function(key){
  ArrayProto[UNSCOPABLES][key] = true;
};
},{"./_hide":46,"./_wks":123}],12:[function(require,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;
};
},{}],13:[function(require,module,exports){
var isObject = require('./_is-object');
module.exports = function(it){
  if(!isObject(it))throw TypeError(it + ' is not an object!');
  return it;
};
},{"./_is-object":55}],14:[function(require,module,exports){
// 22.1.3.3 Array.prototype.copyWithin(target, start, end = this.length)
'use strict';
var toObject = require('./_to-object')
  , toIndex  = require('./_to-index')
  , toLength = require('./_to-length');

module.exports = [].copyWithin || function copyWithin(target/*= 0*/, start/*= 0, end = @length*/){
  var O     = toObject(this)
    , len   = toLength(O.length)
    , to    = toIndex(target, len)
    , from  = toIndex(start, len)
    , end   = arguments.length > 2 ? arguments[2] : undefined
    , count = Math.min((end === undefined ? len : toIndex(end, len)) - from, len - to)
    , inc   = 1;
  if(from < to && to < from + count){
    inc  = -1;
    from += count - 1;
    to   += count - 1;
  }
  while(count-- > 0){
    if(from in O)O[to] = O[from];
    else delete O[to];
    to   += inc;
    from += inc;
  } return O;
};
},{"./_to-index":111,"./_to-length":114,"./_to-object":115}],15:[function(require,module,exports){
// 22.1.3.6 Array.prototype.fill(value, start = 0, end = this.length)
'use strict';
var toObject = require('./_to-object')
  , toIndex  = require('./_to-index')
  , toLength = require('./_to-length');
module.exports = function fill(value /*, start = 0, end = @length */){
  var O      = toObject(this)
    , length = toLength(O.length)
    , aLen   = arguments.length
    , index  = toIndex(aLen > 1 ? arguments[1] : undefined, length)
    , end    = aLen > 2 ? arguments[2] : undefined
    , endPos = end === undefined ? length : toIndex(end, length);
  while(endPos > index)O[index++] = value;
  return O;
};
},{"./_to-index":111,"./_to-length":114,"./_to-object":115}],16:[function(require,module,exports){
var forOf = require('./_for-of');

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

},{"./_for-of":43}],17:[function(require,module,exports){
// false -> Array#indexOf
// true  -> Array#includes
var toIObject = require('./_to-iobject')
  , toLength  = require('./_to-length')
  , toIndex   = require('./_to-index');
module.exports = function(IS_INCLUDES){
  return function($this, el, fromIndex){
    var O      = toIObject($this)
      , length = toLength(O.length)
      , index  = toIndex(fromIndex, length)
      , value;
    // Array#includes uses SameValueZero equality algorithm
    if(IS_INCLUDES && el != el)while(length > index){
      value = O[index++];
      if(value != value)return true;
    // Array#toIndex 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-index":111,"./_to-iobject":113,"./_to-length":114}],18:[function(require,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      = require('./_ctx')
  , IObject  = require('./_iobject')
  , toObject = require('./_to-object')
  , toLength = require('./_to-length')
  , asc      = require('./_array-species-create');
module.exports = function(TYPE, $create){
  var IS_MAP        = TYPE == 1
    , IS_FILTER     = TYPE == 2
    , IS_SOME       = TYPE == 3
    , IS_EVERY      = TYPE == 4
    , IS_FIND_INDEX = TYPE == 6
    , NO_HOLES      = TYPE == 5 || IS_FIND_INDEX
    , create        = $create || asc;
  return function($this, callbackfn, that){
    var O      = toObject($this)
      , self   = IObject(O)
      , f      = ctx(callbackfn, that, 3)
      , length = toLength(self.length)
      , index  = 0
      , result = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined
      , 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":21,"./_ctx":31,"./_iobject":51,"./_to-length":114,"./_to-object":115}],19:[function(require,module,exports){
var aFunction = require('./_a-function')
  , toObject  = require('./_to-object')
  , IObject   = require('./_iobject')
  , toLength  = require('./_to-length');

module.exports = function(that, callbackfn, aLen, memo, isRight){
  aFunction(callbackfn);
  var O      = toObject(that)
    , self   = IObject(O)
    , length = toLength(O.length)
    , index  = isRight ? length - 1 : 0
    , 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":9,"./_iobject":51,"./_to-length":114,"./_to-object":115}],20:[function(require,module,exports){
var isObject = require('./_is-object')
  , isArray  = require('./_is-array')
  , SPECIES  = require('./_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":53,"./_is-object":55,"./_wks":123}],21:[function(require,module,exports){
// 9.4.2.3 ArraySpeciesCreate(originalArray, length)
var speciesConstructor = require('./_array-species-constructor');

module.exports = function(original, length){
  return new (speciesConstructor(original))(length);
};
},{"./_array-species-constructor":20}],22:[function(require,module,exports){
'use strict';
var aFunction  = require('./_a-function')
  , isObject   = require('./_is-object')
  , invoke     = require('./_invoke')
  , arraySlice = [].slice
  , factories  = {};

var construct = function(F, len, args){
  if(!(len in factories)){
    for(var n = [], i = 0; i < len; i++)n[i] = 'a[' + i + ']';
    factories[len] = Function('F,a', 'return new F(' + n.join(',') + ')');
  } return factories[len](F, args);
};

module.exports = Function.bind || function bind(that /*, args... */){
  var fn       = aFunction(this)
    , partArgs = arraySlice.call(arguments, 1);
  var bound = function(/* args... */){
    var args = partArgs.concat(arraySlice.call(arguments));
    return this instanceof bound ? construct(fn, args.length, args) : invoke(fn, args, that);
  };
  if(isObject(fn.prototype))bound.prototype = fn.prototype;
  return bound;
};
},{"./_a-function":9,"./_invoke":50,"./_is-object":55}],23:[function(require,module,exports){
// getting tag from 19.1.3.6 Object.prototype.toString()
var cof = require('./_cof')
  , TAG = require('./_wks')('toStringTag')
  // ES3 wrong here
  , 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":24,"./_wks":123}],24:[function(require,module,exports){
var toString = {}.toString;

module.exports = function(it){
  return toString.call(it).slice(8, -1);
};
},{}],25:[function(require,module,exports){
'use strict';
var dP          = require('./_object-dp').f
  , create      = require('./_object-create')
  , redefineAll = require('./_redefine-all')
  , ctx         = require('./_ctx')
  , anInstance  = require('./_an-instance')
  , defined     = require('./_defined')
  , forOf       = require('./_for-of')
  , $iterDefine = require('./_iter-define')
  , step        = require('./_iter-step')
  , setSpecies  = require('./_set-species')
  , DESCRIPTORS = require('./_descriptors')
  , fastKey     = require('./_meta').fastKey
  , SIZE        = DESCRIPTORS ? '_s' : 'size';

var getEntry = function(that, key){
  // fast case
  var index = fastKey(key), 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._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 = this, 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  = this
          , entry = getEntry(that, key);
        if(entry){
          var next = entry.n
            , 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 */){
        anInstance(this, C, 'forEach');
        var f = ctx(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3)
          , 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(this, key);
      }
    });
    if(DESCRIPTORS)dP(C.prototype, 'size', {
      get: function(){
        return defined(this[SIZE]);
      }
    });
    return C;
  },
  def: function(that, key, value){
    var entry = getEntry(that, key)
      , 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 = iterated;  // target
      this._k = kind;      // kind
      this._l = undefined; // previous
    }, function(){
      var that  = this
        , kind  = that._k
        , 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":12,"./_ctx":31,"./_defined":33,"./_descriptors":34,"./_for-of":43,"./_iter-define":59,"./_iter-step":61,"./_meta":68,"./_object-create":72,"./_object-dp":73,"./_redefine-all":92,"./_set-species":97}],26:[function(require,module,exports){
// https://github.com/DavidBruant/Map-Set.prototype.toJSON
var classof = require('./_classof')
  , from    = require('./_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":16,"./_classof":23}],27:[function(require,module,exports){
'use strict';
var redefineAll       = require('./_redefine-all')
  , getWeak           = require('./_meta').getWeak
  , anObject          = require('./_an-object')
  , isObject          = require('./_is-object')
  , anInstance        = require('./_an-instance')
  , forOf             = require('./_for-of')
  , createArrayMethod = require('./_array-methods')
  , $has              = require('./_has')
  , arrayFind         = createArrayMethod(5)
  , arrayFindIndex    = createArrayMethod(6)
  , id                = 0;

// fallback for uncaught frozen keys
var uncaughtFrozenStore = function(that){
  return that._l || (that._l = new UncaughtFrozenStore);
};
var UncaughtFrozenStore = function(){
  this.a = [];
};
var findUncaughtFrozen = function(store, key){
  return arrayFind(store.a, function(it){
    return it[0] === key;
  });
};
UncaughtFrozenStore.prototype = {
  get: function(key){
    var entry = findUncaughtFrozen(this, key);
    if(entry)return entry[1];
  },
  has: function(key){
    return !!findUncaughtFrozen(this, key);
  },
  set: function(key, value){
    var entry = findUncaughtFrozen(this, key);
    if(entry)entry[1] = value;
    else this.a.push([key, value]);
  },
  'delete': function(key){
    var index = arrayFindIndex(this.a, function(it){
      return it[0] === key;
    });
    if(~index)this.a.splice(index, 1);
    return !!~index;
  }
};

module.exports = {
  getConstructor: function(wrapper, NAME, IS_MAP, ADDER){
    var C = wrapper(function(that, iterable){
      anInstance(that, C, NAME, '_i');
      that._i = id++;      // collection id
      that._l = undefined; // leak store for uncaught frozen objects
      if(iterable != undefined)forOf(iterable, IS_MAP, that[ADDER], that);
    });
    redefineAll(C.prototype, {
      // 23.3.3.2 WeakMap.prototype.delete(key)
      // 23.4.3.3 WeakSet.prototype.delete(value)
      'delete': function(key){
        if(!isObject(key))return false;
        var data = getWeak(key);
        if(data === true)return uncaughtFrozenStore(this)['delete'](key);
        return data && $has(data, this._i) && delete data[this._i];
      },
      // 23.3.3.4 WeakMap.prototype.has(key)
      // 23.4.3.4 WeakSet.prototype.has(value)
      has: function has(key){
        if(!isObject(key))return false;
        var data = getWeak(key);
        if(data === true)return uncaughtFrozenStore(this).has(key);
        return data && $has(data, this._i);
      }
    });
    return C;
  },
  def: function(that, key, value){
    var data = getWeak(anObject(key), true);
    if(data === true)uncaughtFrozenStore(that).set(key, value);
    else data[that._i] = value;
    return that;
  },
  ufstore: uncaughtFrozenStore
};
},{"./_an-instance":12,"./_an-object":13,"./_array-methods":18,"./_for-of":43,"./_has":45,"./_is-object":55,"./_meta":68,"./_redefine-all":92}],28:[function(require,module,exports){
'use strict';
var global            = require('./_global')
  , $export           = require('./_export')
  , redefine          = require('./_redefine')
  , redefineAll       = require('./_redefine-all')
  , meta              = require('./_meta')
  , forOf             = require('./_for-of')
  , anInstance        = require('./_an-instance')
  , isObject          = require('./_is-object')
  , fails             = require('./_fails')
  , $iterDetect       = require('./_iter-detect')
  , setToStringTag    = require('./_set-to-string-tag')
  , inheritIfRequired = require('./_inherit-if-required');

module.exports = function(NAME, wrapper, methods, common, IS_MAP, IS_WEAK){
  var Base  = global[NAME]
    , C     = Base
    , ADDER = IS_MAP ? 'set' : 'add'
    , proto = C && C.prototype
    , O     = {};
  var fixMethod = function(KEY){
    var fn = proto[KEY];
    redefine(proto, KEY,
      KEY == 'delete' ? function(a){
        return IS_WEAK && !isObject(a) ? false : fn.call(this, a === 0 ? 0 : a);
      } : KEY == 'has' ? function has(a){
        return IS_WEAK && !isObject(a) ? false : fn.call(this, a === 0 ? 0 : a);
      } : KEY == 'get' ? function get(a){
        return IS_WEAK && !isObject(a) ? undefined : fn.call(this, a === 0 ? 0 : a);
      } : KEY == 'add' ? function add(a){ fn.call(this, a === 0 ? 0 : a); return this; }
        : function set(a, b){ fn.call(this, a === 0 ? 0 : a, b); return this; }
    );
  };
  if(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 {
    var instance             = new C
      // early implementations not supports chaining
      , HASNT_CHAINING       = instance[ADDER](IS_WEAK ? {} : -0, 1) != instance
      // V8 ~  Chromium 40- weak-collections throws on primitives, but should return false
      , THROWS_ON_PRIMITIVES = fails(function(){ instance.has(1); })
      // most early implementations doesn't supports iterables, most modern - not close it correctly
      , ACCEPT_ITERABLES     = $iterDetect(function(iter){ new C(iter); }) // eslint-disable-line no-new
      // for early implementations -0 and +0 not the same
      , BUGGY_ZERO = !IS_WEAK && fails(function(){
        // V8 ~ Chromium 42- fails only with 5+ elements
        var $instance = new C()
          , index     = 5;
        while(index--)$instance[ADDER](index, index);
        return !$instance.has(-0);
      });
    if(!ACCEPT_ITERABLES){ 
      C = wrapper(function(target, iterable){
        anInstance(target, C, NAME);
        var that = inheritIfRequired(new Base, target, C);
        if(iterable != undefined)forOf(iterable, IS_MAP, that[ADDER], that);
        return that;
      });
      C.prototype = proto;
      proto.constructor = C;
    }
    if(THROWS_ON_PRIMITIVES || BUGGY_ZERO){
      fixMethod('delete');
      fixMethod('has');
      IS_MAP && fixMethod('get');
    }
    if(BUGGY_ZERO || HASNT_CHAINING)fixMethod(ADDER);
    // weak collections should not contains .clear method
    if(IS_WEAK && proto.clear)delete proto.clear;
  }

  setToStringTag(C, NAME);

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

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

  return C;
};
},{"./_an-instance":12,"./_export":38,"./_fails":40,"./_for-of":43,"./_global":44,"./_inherit-if-required":49,"./_is-object":55,"./_iter-detect":60,"./_meta":68,"./_redefine":93,"./_redefine-all":92,"./_set-to-string-tag":98}],29:[function(require,module,exports){
var core = module.exports = {version: '2.4.0'};
if(typeof __e == 'number')__e = core; // eslint-disable-line no-undef
},{}],30:[function(require,module,exports){
'use strict';
var $defineProperty = require('./_object-dp')
  , createDesc      = require('./_property-desc');

module.exports = function(object, index, value){
  if(index in object)$defineProperty.f(object, index, createDesc(0, value));
  else object[index] = value;
};
},{"./_object-dp":73,"./_property-desc":91}],31:[function(require,module,exports){
// optional / simple context binding
var aFunction = require('./_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":9}],32:[function(require,module,exports){
'use strict';
var anObject    = require('./_an-object')
  , toPrimitive = require('./_to-primitive')
  , NUMBER      = 'number';

module.exports = function(hint){
  if(hint !== 'string' && hint !== NUMBER && hint !== 'default')throw TypeError('Incorrect hint');
  return toPrimitive(anObject(this), hint != NUMBER);
};
},{"./_an-object":13,"./_to-primitive":116}],33:[function(require,module,exports){
// 7.2.1 RequireObjectCoercible(argument)
module.exports = function(it){
  if(it == undefined)throw TypeError("Can't call method on  " + it);
  return it;
};
},{}],34:[function(require,module,exports){
// Thank's IE8 for his funny defineProperty
module.exports = !require('./_fails')(function(){
  return Object.defineProperty({}, 'a', {get: function(){ return 7; }}).a != 7;
});
},{"./_fails":40}],35:[function(require,module,exports){
var isObject = require('./_is-object')
  , document = require('./_global').document
  // in old IE typeof document.createElement is 'object'
  , is = isObject(document) && isObject(document.createElement);
module.exports = function(it){
  return is ? document.createElement(it) : {};
};
},{"./_global":44,"./_is-object":55}],36:[function(require,module,exports){
// IE 8- don't enum bug keys
module.exports = (
  'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'
).split(',');
},{}],37:[function(require,module,exports){
// all enumerable object keys, includes symbols
var getKeys = require('./_object-keys')
  , gOPS    = require('./_object-gops')
  , pIE     = require('./_object-pie');
module.exports = function(it){
  var result     = getKeys(it)
    , getSymbols = gOPS.f;
  if(getSymbols){
    var symbols = getSymbols(it)
      , isEnum  = pIE.f
      , i       = 0
      , key;
    while(symbols.length > i)if(isEnum.call(it, key = symbols[i++]))result.push(key);
  } return result;
};
},{"./_object-gops":79,"./_object-keys":82,"./_object-pie":83}],38:[function(require,module,exports){
var global    = require('./_global')
  , core      = require('./_core')
  , hide      = require('./_hide')
  , redefine  = require('./_redefine')
  , ctx       = require('./_ctx')
  , PROTOTYPE = 'prototype';

var $export = function(type, name, source){
  var IS_FORCED = type & $export.F
    , IS_GLOBAL = type & $export.G
    , IS_STATIC = type & $export.S
    , IS_PROTO  = type & $export.P
    , IS_BIND   = type & $export.B
    , target    = IS_GLOBAL ? global : IS_STATIC ? global[name] || (global[name] = {}) : (global[name] || {})[PROTOTYPE]
    , exports   = IS_GLOBAL ? core : core[name] || (core[name] = {})
    , expProto  = exports[PROTOTYPE] || (exports[PROTOTYPE] = {})
    , key, own, out, exp;
  if(IS_GLOBAL)source = name;
  for(key in source){
    // contains in native
    own = !IS_FORCED && target && target[key] !== undefined;
    // export native or passed
    out = (own ? target : source)[key];
    // bind timers to global for call from export context
    exp = IS_BIND && own ? ctx(out, global) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;
    // extend global
    if(target)redefine(target, key, out, type & $export.U);
    // export
    if(exports[key] != out)hide(exports, key, exp);
    if(IS_PROTO && expProto[key] != out)expProto[key] = out;
  }
};
global.core = core;
// 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":29,"./_ctx":31,"./_global":44,"./_hide":46,"./_redefine":93}],39:[function(require,module,exports){
var MATCH = require('./_wks')('match');
module.exports = function(KEY){
  var re = /./;
  try {
    '/./'[KEY](re);
  } catch(e){
    try {
      re[MATCH] = false;
      return !'/./'[KEY](re);
    } catch(f){ /* empty */ }
  } return true;
};
},{"./_wks":123}],40:[function(require,module,exports){
module.exports = function(exec){
  try {
    return !!exec();
  } catch(e){
    return true;
  }
};
},{}],41:[function(require,module,exports){
'use strict';
var hide     = require('./_hide')
  , redefine = require('./_redefine')
  , fails    = require('./_fails')
  , defined  = require('./_defined')
  , wks      = require('./_wks');

module.exports = function(KEY, length, exec){
  var SYMBOL   = wks(KEY)
    , fns      = exec(defined, SYMBOL, ''[KEY])
    , strfn    = fns[0]
    , rxfn     = fns[1];
  if(fails(function(){
    var O = {};
    O[SYMBOL] = function(){ return 7; };
    return ''[KEY](O) != 7;
  })){
    redefine(String.prototype, KEY, strfn);
    hide(RegExp.prototype, SYMBOL, length == 2
      // 21.2.5.8 RegExp.prototype[@@replace](string, replaceValue)
      // 21.2.5.11 RegExp.prototype[@@split](string, limit)
      ? function(string, arg){ return rxfn.call(string, this, arg); }
      // 21.2.5.6 RegExp.prototype[@@match](string)
      // 21.2.5.9 RegExp.prototype[@@search](string)
      : function(string){ return rxfn.call(string, this); }
    );
  }
};
},{"./_defined":33,"./_fails":40,"./_hide":46,"./_redefine":93,"./_wks":123}],42:[function(require,module,exports){
'use strict';
// 21.2.5.3 get RegExp.prototype.flags
var anObject = require('./_an-object');
module.exports = function(){
  var that   = anObject(this)
    , result = '';
  if(that.global)     result += 'g';
  if(that.ignoreCase) result += 'i';
  if(that.multiline)  result += 'm';
  if(that.unicode)    result += 'u';
  if(that.sticky)     result += 'y';
  return result;
};
},{"./_an-object":13}],43:[function(require,module,exports){
var ctx         = require('./_ctx')
  , call        = require('./_iter-call')
  , isArrayIter = require('./_is-array-iter')
  , anObject    = require('./_an-object')
  , toLength    = require('./_to-length')
  , getIterFn   = require('./core.get-iterator-method')
  , BREAK       = {}
  , RETURN      = {};
var exports = module.exports = function(iterable, entries, fn, that, ITERATOR){
  var iterFn = ITERATOR ? function(){ return iterable; } : getIterFn(iterable)
    , f      = ctx(fn, that, entries ? 2 : 1)
    , index  = 0
    , 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":13,"./_ctx":31,"./_is-array-iter":52,"./_iter-call":57,"./_to-length":114,"./core.get-iterator-method":124}],44:[function(require,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 : Function('return this')();
if(typeof __g == 'number')__g = global; // eslint-disable-line no-undef
},{}],45:[function(require,module,exports){
var hasOwnProperty = {}.hasOwnProperty;
module.exports = function(it, key){
  return hasOwnProperty.call(it, key);
};
},{}],46:[function(require,module,exports){
var dP         = require('./_object-dp')
  , createDesc = require('./_property-desc');
module.exports = require('./_descriptors') ? function(object, key, value){
  return dP.f(object, key, createDesc(1, value));
} : function(object, key, value){
  object[key] = value;
  return object;
};
},{"./_descriptors":34,"./_object-dp":73,"./_property-desc":91}],47:[function(require,module,exports){
module.exports = require('./_global').document && document.documentElement;
},{"./_global":44}],48:[function(require,module,exports){
module.exports = !require('./_descriptors') && !require('./_fails')(function(){
  return Object.defineProperty(require('./_dom-create')('div'), 'a', {get: function(){ return 7; }}).a != 7;
});
},{"./_descriptors":34,"./_dom-create":35,"./_fails":40}],49:[function(require,module,exports){
var isObject       = require('./_is-object')
  , setPrototypeOf = require('./_set-proto').set;
module.exports = function(that, target, C){
  var P, S = target.constructor;
  if(S !== C && typeof S == 'function' && (P = S.prototype) !== C.prototype && isObject(P) && setPrototypeOf){
    setPrototypeOf(that, P);
  } return that;
};
},{"./_is-object":55,"./_set-proto":96}],50:[function(require,module,exports){
// fast apply, http://jsperf.lnkit.com/fast-apply/5
module.exports = function(fn, args, that){
  var un = that === undefined;
  switch(args.length){
    case 0: return un ? fn()
                      : fn.call(that);
    case 1: return un ? fn(args[0])
                      : fn.call(that, args[0]);
    case 2: return un ? fn(args[0], args[1])
                      : fn.call(that, args[0], args[1]);
    case 3: return un ? fn(args[0], args[1], args[2])
                      : fn.call(that, args[0], args[1], args[2]);
    case 4: return un ? fn(args[0], args[1], args[2], args[3])
                      : fn.call(that, args[0], args[1], args[2], args[3]);
  } return              fn.apply(that, args);
};
},{}],51:[function(require,module,exports){
// fallback for non-array-like ES3 and non-enumerable old V8 strings
var cof = require('./_cof');
module.exports = Object('z').propertyIsEnumerable(0) ? Object : function(it){
  return cof(it) == 'String' ? it.split('') : Object(it);
};
},{"./_cof":24}],52:[function(require,module,exports){
// check on default Array iterator
var Iterators  = require('./_iterators')
  , ITERATOR   = require('./_wks')('iterator')
  , ArrayProto = Array.prototype;

module.exports = function(it){
  return it !== undefined && (Iterators.Array === it || ArrayProto[ITERATOR] === it);
};
},{"./_iterators":62,"./_wks":123}],53:[function(require,module,exports){
// 7.2.2 IsArray(argument)
var cof = require('./_cof');
module.exports = Array.isArray || function isArray(arg){
  return cof(arg) == 'Array';
};
},{"./_cof":24}],54:[function(require,module,exports){
// 20.1.2.3 Number.isInteger(number)
var isObject = require('./_is-object')
  , floor    = Math.floor;
module.exports = function isInteger(it){
  return !isObject(it) && isFinite(it) && floor(it) === it;
};
},{"./_is-object":55}],55:[function(require,module,exports){
module.exports = function(it){
  return typeof it === 'object' ? it !== null : typeof it === 'function';
};
},{}],56:[function(require,module,exports){
// 7.2.8 IsRegExp(argument)
var isObject = require('./_is-object')
  , cof      = require('./_cof')
  , MATCH    = require('./_wks')('match');
module.exports = function(it){
  var isRegExp;
  return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : cof(it) == 'RegExp');
};
},{"./_cof":24,"./_is-object":55,"./_wks":123}],57:[function(require,module,exports){
// call something on iterator step with safe closing on error
var anObject = require('./_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":13}],58:[function(require,module,exports){
'use strict';
var create         = require('./_object-create')
  , descriptor     = require('./_property-desc')
  , setToStringTag = require('./_set-to-string-tag')
  , IteratorPrototype = {};

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

module.exports = function(Constructor, NAME, next){
  Constructor.prototype = create(IteratorPrototype, {next: descriptor(1, next)});
  setToStringTag(Constructor, NAME + ' Iterator');
};
},{"./_hide":46,"./_object-create":72,"./_property-desc":91,"./_set-to-string-tag":98,"./_wks":123}],59:[function(require,module,exports){
'use strict';
var LIBRARY        = require('./_library')
  , $export        = require('./_export')
  , redefine       = require('./_redefine')
  , hide           = require('./_hide')
  , has            = require('./_has')
  , Iterators      = require('./_iterators')
  , $iterCreate    = require('./_iter-create')
  , setToStringTag = require('./_set-to-string-tag')
  , getPrototypeOf = require('./_object-gpo')
  , ITERATOR       = require('./_wks')('iterator')
  , BUGGY          = !([].keys && 'next' in [].keys()) // Safari has buggy iterators w/o `next`
  , FF_ITERATOR    = '@@iterator'
  , KEYS           = 'keys'
  , 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'
    , DEF_VALUES = DEFAULT == VALUES
    , VALUES_BUG = false
    , proto      = Base.prototype
    , $native    = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT]
    , $default   = $native || getMethod(DEFAULT)
    , $entries   = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined
    , $anyNative = NAME == 'Array' ? proto.entries || $native : $native
    , methods, key, IteratorPrototype;
  // Fix native
  if($anyNative){
    IteratorPrototype = getPrototypeOf($anyNative.call(new Base));
    if(IteratorPrototype !== Object.prototype){
      // Set @@toStringTag to native iterators
      setToStringTag(IteratorPrototype, TAG, true);
      // fix for some old engines
      if(!LIBRARY && !has(IteratorPrototype, ITERATOR))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":38,"./_has":45,"./_hide":46,"./_iter-create":58,"./_iterators":62,"./_library":64,"./_object-gpo":80,"./_redefine":93,"./_set-to-string-tag":98,"./_wks":123}],60:[function(require,module,exports){
var ITERATOR     = require('./_wks')('iterator')
  , SAFE_CLOSING = false;

try {
  var riter = [7][ITERATOR]();
  riter['return'] = function(){ SAFE_CLOSING = true; };
  Array.from(riter, function(){ throw 2; });
} catch(e){ /* empty */ }

module.exports = function(exec, skipClosing){
  if(!skipClosing && !SAFE_CLOSING)return false;
  var safe = false;
  try {
    var arr  = [7]
      , iter = arr[ITERATOR]();
    iter.next = function(){ return {done: safe = true}; };
    arr[ITERATOR] = function(){ return iter; };
    exec(arr);
  } catch(e){ /* empty */ }
  return safe;
};
},{"./_wks":123}],61:[function(require,module,exports){
module.exports = function(done, value){
  return {value: value, done: !!done};
};
},{}],62:[function(require,module,exports){
module.exports = {};
},{}],63:[function(require,module,exports){
var getKeys   = require('./_object-keys')
  , toIObject = require('./_to-iobject');
module.exports = function(object, el){
  var O      = toIObject(object)
    , keys   = getKeys(O)
    , length = keys.length
    , index  = 0
    , key;
  while(length > index)if(O[key = keys[index++]] === el)return key;
};
},{"./_object-keys":82,"./_to-iobject":113}],64:[function(require,module,exports){
module.exports = false;
},{}],65:[function(require,module,exports){
// 20.2.2.14 Math.expm1(x)
var $expm1 = Math.expm1;
module.exports = (!$expm1
  // Old FF bug
  || $expm1(10) > 22025.465794806719 || $expm1(10) < 22025.4657948067165168
  // Tor Browser bug
  || $expm1(-2e-17) != -2e-17
) ? function expm1(x){
  return (x = +x) == 0 ? x : x > -1e-6 && x < 1e-6 ? x + x * x / 2 : Math.exp(x) - 1;
} : $expm1;
},{}],66:[function(require,module,exports){
// 20.2.2.20 Math.log1p(x)
module.exports = Math.log1p || function log1p(x){
  return (x = +x) > -1e-8 && x < 1e-8 ? x - x * x / 2 : Math.log(1 + x);
};
},{}],67:[function(require,module,exports){
// 20.2.2.28 Math.sign(x)
module.exports = Math.sign || function sign(x){
  return (x = +x) == 0 || x != x ? x : x < 0 ? -1 : 1;
};
},{}],68:[function(require,module,exports){
var META     = require('./_uid')('meta')
  , isObject = require('./_is-object')
  , has      = require('./_has')
  , setDesc  = require('./_object-dp').f
  , id       = 0;
var isExtensible = Object.isExtensible || function(){
  return true;
};
var FREEZE = !require('./_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":40,"./_has":45,"./_is-object":55,"./_object-dp":73,"./_uid":120}],69:[function(require,module,exports){
var Map     = require('./es6.map')
  , $export = require('./_export')
  , shared  = require('./_shared')('metadata')
  , store   = shared.store || (shared.store = new (require('./es6.weak-map')));

var getOrCreateMetadataMap = function(target, targetKey, create){
  var targetMetadata = store.get(target);
  if(!targetMetadata){
    if(!create)return undefined;
    store.set(target, targetMetadata = new Map);
  }
  var keyMetadata = targetMetadata.get(targetKey);
  if(!keyMetadata){
    if(!create)return undefined;
    targetMetadata.set(targetKey, keyMetadata = new Map);
  } return keyMetadata;
};
var ordinaryHasOwnMetadata = function(MetadataKey, O, P){
  var metadataMap = getOrCreateMetadataMap(O, P, false);
  return metadataMap === undefined ? false : metadataMap.has(MetadataKey);
};
var ordinaryGetOwnMetadata = function(MetadataKey, O, P){
  var metadataMap = getOrCreateMetadataMap(O, P, false);
  return metadataMap === undefined ? undefined : metadataMap.get(MetadataKey);
};
var ordinaryDefineOwnMetadata = function(MetadataKey, MetadataValue, O, P){
  getOrCreateMetadataMap(O, P, true).set(MetadataKey, MetadataValue);
};
var ordinaryOwnMetadataKeys = function(target, targetKey){
  var metadataMap = getOrCreateMetadataMap(target, targetKey, false)
    , keys        = [];
  if(metadataMap)metadataMap.forEach(function(_, key){ keys.push(key); });
  return keys;
};
var toMetaKey = function(it){
  return it === undefined || typeof it == 'symbol' ? it : String(it);
};
var exp = function(O){
  $export($export.S, 'Reflect', O);
};

module.exports = {
  store: store,
  map: getOrCreateMetadataMap,
  has: ordinaryHasOwnMetadata,
  get: ordinaryGetOwnMetadata,
  set: ordinaryDefineOwnMetadata,
  keys: ordinaryOwnMetadataKeys,
  key: toMetaKey,
  exp: exp
};
},{"./_export":38,"./_shared":100,"./es6.map":155,"./es6.weak-map":261}],70:[function(require,module,exports){
var global    = require('./_global')
  , macrotask = require('./_task').set
  , Observer  = global.MutationObserver || global.WebKitMutationObserver
  , process   = global.process
  , Promise   = global.Promise
  , isNode    = require('./_cof')(process) == 'process';

module.exports = function(){
  var head, last, notify;

  var flush = function(){
    var parent, fn;
    if(isNode && (parent = process.domain))parent.exit();
    while(head){
      fn   = head.fn;
      head = head.next;
      try {
        fn();
      } catch(e){
        if(head)notify();
        else last = undefined;
        throw e;
      }
    } last = undefined;
    if(parent)parent.enter();
  };

  // Node.js
  if(isNode){
    notify = function(){
      process.nextTick(flush);
    };
  // browsers with MutationObserver
  } else if(Observer){
    var toggle = true
      , node   = document.createTextNode('');
    new Observer(flush).observe(node, {characterData: true}); // eslint-disable-line no-new
    notify = function(){
      node.data = toggle = !toggle;
    };
  // environments with maybe non-completely correct, but existent Promise
  } else if(Promise && Promise.resolve){
    var promise = Promise.resolve();
    notify = function(){
      promise.then(flush);
    };
  // for other environments - macrotask based on:
  // - setImmediate
  // - MessageChannel
  // - window.postMessag
  // - onreadystatechange
  // - setTimeout
  } else {
    notify = function(){
      // strange IE + webpack dev server bug - use .call(global)
      macrotask.call(global, flush);
    };
  }

  return function(fn){
    var task = {fn: fn, next: undefined};
    if(last)last.next = task;
    if(!head){
      head = task;
      notify();
    } last = task;
  };
};
},{"./_cof":24,"./_global":44,"./_task":110}],71:[function(require,module,exports){
'use strict';
// 19.1.2.1 Object.assign(target, source, ...)
var getKeys  = require('./_object-keys')
  , gOPS     = require('./_object-gops')
  , pIE      = require('./_object-pie')
  , toObject = require('./_to-object')
  , IObject  = require('./_iobject')
  , $assign  = Object.assign;

// should work with symbols and should have deterministic property order (V8 bug)
module.exports = !$assign || require('./_fails')(function(){
  var A = {}
    , B = {}
    , S = Symbol()
    , 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)
    , aLen  = arguments.length
    , index = 1
    , getSymbols = gOPS.f
    , isEnum     = pIE.f;
  while(aLen > index){
    var S      = IObject(arguments[index++])
      , keys   = getSymbols ? getKeys(S).concat(getSymbols(S)) : getKeys(S)
      , length = keys.length
      , j      = 0
      , key;
    while(length > j)if(isEnum.call(S, key = keys[j++]))T[key] = S[key];
  } return T;
} : $assign;
},{"./_fails":40,"./_iobject":51,"./_object-gops":79,"./_object-keys":82,"./_object-pie":83,"./_to-object":115}],72:[function(require,module,exports){
// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])
var anObject    = require('./_an-object')
  , dPs         = require('./_object-dps')
  , enumBugKeys = require('./_enum-bug-keys')
  , IE_PROTO    = require('./_shared-key')('IE_PROTO')
  , Empty       = function(){ /* empty */ }
  , 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 = require('./_dom-create')('iframe')
    , i      = enumBugKeys.length
    , lt     = '<'
    , gt     = '>'
    , iframeDocument;
  iframe.style.display = 'none';
  require('./_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":13,"./_dom-create":35,"./_enum-bug-keys":36,"./_html":47,"./_object-dps":74,"./_shared-key":99}],73:[function(require,module,exports){
var anObject       = require('./_an-object')
  , IE8_DOM_DEFINE = require('./_ie8-dom-define')
  , toPrimitive    = require('./_to-primitive')
  , dP             = Object.defineProperty;

exports.f = require('./_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":13,"./_descriptors":34,"./_ie8-dom-define":48,"./_to-primitive":116}],74:[function(require,module,exports){
var dP       = require('./_object-dp')
  , anObject = require('./_an-object')
  , getKeys  = require('./_object-keys');

module.exports = require('./_descriptors') ? Object.defineProperties : function defineProperties(O, Properties){
  anObject(O);
  var keys   = getKeys(Properties)
    , length = keys.length
    , i = 0
    , P;
  while(length > i)dP.f(O, P = keys[i++], Properties[P]);
  return O;
};
},{"./_an-object":13,"./_descriptors":34,"./_object-dp":73,"./_object-keys":82}],75:[function(require,module,exports){
// Forced replacement prototype accessors methods
module.exports = require('./_library')|| !require('./_fails')(function(){
  var K = Math.random();
  // In FF throws only define methods
  __defineSetter__.call(null, K, function(){ /* empty */});
  delete require('./_global')[K];
});
},{"./_fails":40,"./_global":44,"./_library":64}],76:[function(require,module,exports){
var pIE            = require('./_object-pie')
  , createDesc     = require('./_property-desc')
  , toIObject      = require('./_to-iobject')
  , toPrimitive    = require('./_to-primitive')
  , has            = require('./_has')
  , IE8_DOM_DEFINE = require('./_ie8-dom-define')
  , gOPD           = Object.getOwnPropertyDescriptor;

exports.f = require('./_descriptors') ? gOPD : function getOwnPropertyDescriptor(O, P){
  O = toIObject(O);
  P = toPrimitive(P, true);
  if(IE8_DOM_DEFINE)try {
    return gOPD(O, P);
  } catch(e){ /* empty */ }
  if(has(O, P))return createDesc(!pIE.f.call(O, P), O[P]);
};
},{"./_descriptors":34,"./_has":45,"./_ie8-dom-define":48,"./_object-pie":83,"./_property-desc":91,"./_to-iobject":113,"./_to-primitive":116}],77:[function(require,module,exports){
// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window
var toIObject = require('./_to-iobject')
  , gOPN      = require('./_object-gopn').f
  , toString  = {}.toString;

var windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames
  ? Object.getOwnPropertyNames(window) : [];

var getWindowNames = function(it){
  try {
    return gOPN(it);
  } catch(e){
    return windowNames.slice();
  }
};

module.exports.f = function getOwnPropertyNames(it){
  return windowNames && toString.call(it) == '[object Window]' ? getWindowNames(it) : gOPN(toIObject(it));
};

},{"./_object-gopn":78,"./_to-iobject":113}],78:[function(require,module,exports){
// 19.1.2.7 / 15.2.3.4 Object.getOwnPropertyNames(O)
var $keys      = require('./_object-keys-internal')
  , hiddenKeys = require('./_enum-bug-keys').concat('length', 'prototype');

exports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O){
  return $keys(O, hiddenKeys);
};
},{"./_enum-bug-keys":36,"./_object-keys-internal":81}],79:[function(require,module,exports){
exports.f = Object.getOwnPropertySymbols;
},{}],80:[function(require,module,exports){
// 19.1.2.9 / 15.2.3.2 Object.getPrototypeOf(O)
var has         = require('./_has')
  , toObject    = require('./_to-object')
  , IE_PROTO    = require('./_shared-key')('IE_PROTO')
  , 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":45,"./_shared-key":99,"./_to-object":115}],81:[function(require,module,exports){
var has          = require('./_has')
  , toIObject    = require('./_to-iobject')
  , arrayIndexOf = require('./_array-includes')(false)
  , IE_PROTO     = require('./_shared-key')('IE_PROTO');

module.exports = function(object, names){
  var O      = toIObject(object)
    , i      = 0
    , result = []
    , 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":17,"./_has":45,"./_shared-key":99,"./_to-iobject":113}],82:[function(require,module,exports){
// 19.1.2.14 / 15.2.3.14 Object.keys(O)
var $keys       = require('./_object-keys-internal')
  , enumBugKeys = require('./_enum-bug-keys');

module.exports = Object.keys || function keys(O){
  return $keys(O, enumBugKeys);
};
},{"./_enum-bug-keys":36,"./_object-keys-internal":81}],83:[function(require,module,exports){
exports.f = {}.propertyIsEnumerable;
},{}],84:[function(require,module,exports){
// most Object methods by ES6 should accept primitives
var $export = require('./_export')
  , core    = require('./_core')
  , fails   = require('./_fails');
module.exports = function(KEY, exec){
  var fn  = (core.Object || {})[KEY] || Object[KEY]
    , exp = {};
  exp[KEY] = exec(fn);
  $export($export.S + $export.F * fails(function(){ fn(1); }), 'Object', exp);
};
},{"./_core":29,"./_export":38,"./_fails":40}],85:[function(require,module,exports){
var getKeys   = require('./_object-keys')
  , toIObject = require('./_to-iobject')
  , isEnum    = require('./_object-pie').f;
module.exports = function(isEntries){
  return function(it){
    var O      = toIObject(it)
      , keys   = getKeys(O)
      , length = keys.length
      , i      = 0
      , result = []
      , key;
    while(length > i)if(isEnum.call(O, key = keys[i++])){
      result.push(isEntries ? [key, O[key]] : O[key]);
    } return result;
  };
};
},{"./_object-keys":82,"./_object-pie":83,"./_to-iobject":113}],86:[function(require,module,exports){
// all object keys, includes non-enumerable and symbols
var gOPN     = require('./_object-gopn')
  , gOPS     = require('./_object-gops')
  , anObject = require('./_an-object')
  , Reflect  = require('./_global').Reflect;
module.exports = Reflect && Reflect.ownKeys || function ownKeys(it){
  var keys       = gOPN.f(anObject(it))
    , getSymbols = gOPS.f;
  return getSymbols ? keys.concat(getSymbols(it)) : keys;
};
},{"./_an-object":13,"./_global":44,"./_object-gopn":78,"./_object-gops":79}],87:[function(require,module,exports){
var $parseFloat = require('./_global').parseFloat
  , $trim       = require('./_string-trim').trim;

module.exports = 1 / $parseFloat(require('./_string-ws') + '-0') !== -Infinity ? function parseFloat(str){
  var string = $trim(String(str), 3)
    , result = $parseFloat(string);
  return result === 0 && string.charAt(0) == '-' ? -0 : result;
} : $parseFloat;
},{"./_global":44,"./_string-trim":108,"./_string-ws":109}],88:[function(require,module,exports){
var $parseInt = require('./_global').parseInt
  , $trim     = require('./_string-trim').trim
  , ws        = require('./_string-ws')
  , hex       = /^[\-+]?0[xX]/;

module.exports = $parseInt(ws + '08') !== 8 || $parseInt(ws + '0x16') !== 22 ? function parseInt(str, radix){
  var string = $trim(String(str), 3);
  return $parseInt(string, (radix >>> 0) || (hex.test(string) ? 16 : 10));
} : $parseInt;
},{"./_global":44,"./_string-trim":108,"./_string-ws":109}],89:[function(require,module,exports){
'use strict';
var path      = require('./_path')
  , invoke    = require('./_invoke')
  , aFunction = require('./_a-function');
module.exports = function(/* ...pargs */){
  var fn     = aFunction(this)
    , length = arguments.length
    , pargs  = Array(length)
    , i      = 0
    , _      = path._
    , holder = false;
  while(length > i)if((pargs[i] = arguments[i++]) === _)holder = true;
  return function(/* ...args */){
    var that = this
      , aLen = arguments.length
      , j = 0, k = 0, args;
    if(!holder && !aLen)return invoke(fn, pargs, that);
    args = pargs.slice();
    if(holder)for(;length > j; j++)if(args[j] === _)args[j] = arguments[k++];
    while(aLen > k)args.push(arguments[k++]);
    return invoke(fn, args, that);
  };
};
},{"./_a-function":9,"./_invoke":50,"./_path":90}],90:[function(require,module,exports){
module.exports = require('./_global');
},{"./_global":44}],91:[function(require,module,exports){
module.exports = function(bitmap, value){
  return {
    enumerable  : !(bitmap & 1),
    configurable: !(bitmap & 2),
    writable    : !(bitmap & 4),
    value       : value
  };
};
},{}],92:[function(require,module,exports){
var redefine = require('./_redefine');
module.exports = function(target, src, safe){
  for(var key in src)redefine(target, key, src[key], safe);
  return target;
};
},{"./_redefine":93}],93:[function(require,module,exports){
var global    = require('./_global')
  , hide      = require('./_hide')
  , has       = require('./_has')
  , SRC       = require('./_uid')('src')
  , TO_STRING = 'toString'
  , $toString = Function[TO_STRING]
  , TPL       = ('' + $toString).split(TO_STRING);

require('./_core').inspectSource = function(it){
  return $toString.call(it);
};

(module.exports = function(O, key, val, safe){
  var isFunction = typeof val == 'function';
  if(isFunction)has(val, 'name') || hide(val, 'name', key);
  if(O[key] === val)return;
  if(isFunction)has(val, SRC) || hide(val, SRC, O[key] ? '' + O[key] : TPL.join(String(key)));
  if(O === global){
    O[key] = val;
  } else {
    if(!safe){
      delete O[key];
      hide(O, key, val);
    } else {
      if(O[key])O[key] = val;
      else hide(O, key, val);
    }
  }
// add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative
})(Function.prototype, TO_STRING, function toString(){
  return typeof this == 'function' && this[SRC] || $toString.call(this);
});
},{"./_core":29,"./_global":44,"./_has":45,"./_hide":46,"./_uid":120}],94:[function(require,module,exports){
module.exports = function(regExp, replace){
  var replacer = replace === Object(replace) ? function(part){
    return replace[part];
  } : replace;
  return function(it){
    return String(it).replace(regExp, replacer);
  };
};
},{}],95:[function(require,module,exports){
// 7.2.9 SameValue(x, y)
module.exports = Object.is || function is(x, y){
  return x === y ? x !== 0 || 1 / x === 1 / y : x != x && y != y;
};
},{}],96:[function(require,module,exports){
// Works with __proto__ only. Old v8 can't work with null proto objects.
/* eslint-disable no-proto */
var isObject = require('./_is-object')
  , anObject = require('./_an-object');
var check = function(O, proto){
  anObject(O);
  if(!isObject(proto) && proto !== null)throw TypeError(proto + ": can't set as prototype!");
};
module.exports = {
  set: Object.setPrototypeOf || ('__proto__' in {} ? // eslint-disable-line
    function(test, buggy, set){
      try {
        set = require('./_ctx')(Function.call, require('./_object-gopd').f(Object.prototype, '__proto__').set, 2);
        set(test, []);
        buggy = !(test instanceof Array);
      } catch(e){ buggy = true; }
      return function setPrototypeOf(O, proto){
        check(O, proto);
        if(buggy)O.__proto__ = proto;
        else set(O, proto);
        return O;
      };
    }({}, false) : undefined),
  check: check
};
},{"./_an-object":13,"./_ctx":31,"./_is-object":55,"./_object-gopd":76}],97:[function(require,module,exports){
'use strict';
var global      = require('./_global')
  , dP          = require('./_object-dp')
  , DESCRIPTORS = require('./_descriptors')
  , SPECIES     = require('./_wks')('species');

module.exports = function(KEY){
  var C = global[KEY];
  if(DESCRIPTORS && C && !C[SPECIES])dP.f(C, SPECIES, {
    configurable: true,
    get: function(){ return this; }
  });
};
},{"./_descriptors":34,"./_global":44,"./_object-dp":73,"./_wks":123}],98:[function(require,module,exports){
var def = require('./_object-dp').f
  , has = require('./_has')
  , TAG = require('./_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":45,"./_object-dp":73,"./_wks":123}],99:[function(require,module,exports){
var shared = require('./_shared')('keys')
  , uid    = require('./_uid');
module.exports = function(key){
  return shared[key] || (shared[key] = uid(key));
};
},{"./_shared":100,"./_uid":120}],100:[function(require,module,exports){
var global = require('./_global')
  , SHARED = '__core-js_shared__'
  , store  = global[SHARED] || (global[SHARED] = {});
module.exports = function(key){
  return store[key] || (store[key] = {});
};
},{"./_global":44}],101:[function(require,module,exports){
// 7.3.20 SpeciesConstructor(O, defaultConstructor)
var anObject  = require('./_an-object')
  , aFunction = require('./_a-function')
  , SPECIES   = require('./_wks')('species');
module.exports = function(O, D){
  var C = anObject(O).constructor, S;
  return C === undefined || (S = anObject(C)[SPECIES]) == undefined ? D : aFunction(S);
};
},{"./_a-function":9,"./_an-object":13,"./_wks":123}],102:[function(require,module,exports){
var fails = require('./_fails');

module.exports = function(method, arg){
  return !!method && fails(function(){
    arg ? method.call(null, function(){}, 1) : method.call(null);
  });
};
},{"./_fails":40}],103:[function(require,module,exports){
var toInteger = require('./_to-integer')
  , defined   = require('./_defined');
// true  -> String#at
// false -> String#codePointAt
module.exports = function(TO_STRING){
  return function(that, pos){
    var s = String(defined(that))
      , i = toInteger(pos)
      , l = s.length
      , 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":33,"./_to-integer":112}],104:[function(require,module,exports){
// helper for String#{startsWith, endsWith, includes}
var isRegExp = require('./_is-regexp')
  , defined  = require('./_defined');

module.exports = function(that, searchString, NAME){
  if(isRegExp(searchString))throw TypeError('String#' + NAME + " doesn't accept regex!");
  return String(defined(that));
};
},{"./_defined":33,"./_is-regexp":56}],105:[function(require,module,exports){
var $export = require('./_export')
  , fails   = require('./_fails')
  , defined = require('./_defined')
  , quot    = /"/g;
// B.2.3.2.1 CreateHTML(string, tag, attribute, value)
var createHTML = function(string, tag, attribute, value) {
  var S  = String(defined(string))
    , p1 = '<' + tag;
  if(attribute !== '')p1 += ' ' + attribute + '="' + String(value).replace(quot, '&quot;') + '"';
  return p1 + '>' + S + '</' + tag + '>';
};
module.exports = function(NAME, exec){
  var O = {};
  O[NAME] = exec(createHTML);
  $export($export.P + $export.F * fails(function(){
    var test = ''[NAME]('"');
    return test !== test.toLowerCase() || test.split('"').length > 3;
  }), 'String', O);
};
},{"./_defined":33,"./_export":38,"./_fails":40}],106:[function(require,module,exports){
// https://github.com/tc39/proposal-string-pad-start-end
var toLength = require('./_to-length')
  , repeat   = require('./_string-repeat')
  , defined  = require('./_defined');

module.exports = function(that, maxLength, fillString, left){
  var S            = String(defined(that))
    , stringLength = S.length
    , fillStr      = fillString === undefined ? ' ' : String(fillString)
    , intMaxLength = toLength(maxLength);
  if(intMaxLength <= stringLength || fillStr == '')return S;
  var fillLen = intMaxLength - stringLength
    , stringFiller = repeat.call(fillStr, Math.ceil(fillLen / fillStr.length));
  if(stringFiller.length > fillLen)stringFiller = stringFiller.slice(0, fillLen);
  return left ? stringFiller + S : S + stringFiller;
};

},{"./_defined":33,"./_string-repeat":107,"./_to-length":114}],107:[function(require,module,exports){
'use strict';
var toInteger = require('./_to-integer')
  , defined   = require('./_defined');

module.exports = function repeat(count){
  var str = String(defined(this))
    , res = ''
    , n   = toInteger(count);
  if(n < 0 || n == Infinity)throw RangeError("Count can't be negative");
  for(;n > 0; (n >>>= 1) && (str += str))if(n & 1)res += str;
  return res;
};
},{"./_defined":33,"./_to-integer":112}],108:[function(require,module,exports){
var $export = require('./_export')
  , defined = require('./_defined')
  , fails   = require('./_fails')
  , spaces  = require('./_string-ws')
  , space   = '[' + spaces + ']'
  , non     = '\u200b\u0085'
  , ltrim   = RegExp('^' + space + space + '*')
  , rtrim   = RegExp(space + space + '*$');

var exporter = function(KEY, exec, ALIAS){
  var exp   = {};
  var FORCE = fails(function(){
    return !!spaces[KEY]() || non[KEY]() != non;
  });
  var fn = exp[KEY] = FORCE ? exec(trim) : spaces[KEY];
  if(ALIAS)exp[ALIAS] = fn;
  $export($export.P + $export.F * FORCE, 'String', exp);
};

// 1 -> String#trimLeft
// 2 -> String#trimRight
// 3 -> String#trim
var trim = exporter.trim = function(string, TYPE){
  string = String(defined(string));
  if(TYPE & 1)string = string.replace(ltrim, '');
  if(TYPE & 2)string = string.replace(rtrim, '');
  return string;
};

module.exports = exporter;
},{"./_defined":33,"./_export":38,"./_fails":40,"./_string-ws":109}],109:[function(require,module,exports){
module.exports = '\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';
},{}],110:[function(require,module,exports){
var ctx                = require('./_ctx')
  , invoke             = require('./_invoke')
  , html               = require('./_html')
  , cel                = require('./_dom-create')
  , global             = require('./_global')
  , process            = global.process
  , setTask            = global.setImmediate
  , clearTask          = global.clearImmediate
  , MessageChannel     = global.MessageChannel
  , counter            = 0
  , queue              = {}
  , ONREADYSTATECHANGE = 'onreadystatechange'
  , defer, channel, port;
var run = function(){
  var id = +this;
  if(queue.hasOwnProperty(id)){
    var fn = queue[id];
    delete queue[id];
    fn();
  }
};
var listener = function(event){
  run.call(event.data);
};
// Node.js 0.9+ & IE10+ has setImmediate, otherwise:
if(!setTask || !clearTask){
  setTask = function setImmediate(fn){
    var args = [], i = 1;
    while(arguments.length > i)args.push(arguments[i++]);
    queue[++counter] = function(){
      invoke(typeof fn == 'function' ? fn : Function(fn), args);
    };
    defer(counter);
    return counter;
  };
  clearTask = function clearImmediate(id){
    delete queue[id];
  };
  // Node.js 0.8-
  if(require('./_cof')(process) == 'process'){
    defer = function(id){
      process.nextTick(ctx(run, id, 1));
    };
  // Browsers with MessageChannel, includes WebWorkers
  } else if(MessageChannel){
    channel = new MessageChannel;
    port    = channel.port2;
    channel.port1.onmessage = listener;
    defer = ctx(port.postMessage, port, 1);
  // Browsers with postMessage, skip WebWorkers
  // IE8 has postMessage, but it's sync & typeof its postMessage is 'object'
  } else if(global.addEventListener && typeof postMessage == 'function' && !global.importScripts){
    defer = function(id){
      global.postMessage(id + '', '*');
    };
    global.addEventListener('message', listener, false);
  // IE8-
  } else if(ONREADYSTATECHANGE in cel('script')){
    defer = function(id){
      html.appendChild(cel('script'))[ONREADYSTATECHANGE] = function(){
        html.removeChild(this);
        run.call(id);
      };
    };
  // Rest old browsers
  } else {
    defer = function(id){
      setTimeout(ctx(run, id, 1), 0);
    };
  }
}
module.exports = {
  set:   setTask,
  clear: clearTask
};
},{"./_cof":24,"./_ctx":31,"./_dom-create":35,"./_global":44,"./_html":47,"./_invoke":50}],111:[function(require,module,exports){
var toInteger = require('./_to-integer')
  , max       = Math.max
  , min       = Math.min;
module.exports = function(index, length){
  index = toInteger(index);
  return index < 0 ? max(index + length, 0) : min(index, length);
};
},{"./_to-integer":112}],112:[function(require,module,exports){
// 7.1.4 ToInteger
var ceil  = Math.ceil
  , floor = Math.floor;
module.exports = function(it){
  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);
};
},{}],113:[function(require,module,exports){
// to indexed object, toObject with fallback for non-array-like ES3 strings
var IObject = require('./_iobject')
  , defined = require('./_defined');
module.exports = function(it){
  return IObject(defined(it));
};
},{"./_defined":33,"./_iobject":51}],114:[function(require,module,exports){
// 7.1.15 ToLength
var toInteger = require('./_to-integer')
  , min       = Math.min;
module.exports = function(it){
  return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991
};
},{"./_to-integer":112}],115:[function(require,module,exports){
// 7.1.13 ToObject(argument)
var defined = require('./_defined');
module.exports = function(it){
  return Object(defined(it));
};
},{"./_defined":33}],116:[function(require,module,exports){
// 7.1.1 ToPrimitive(input [, PreferredType])
var isObject = require('./_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":55}],117:[function(require,module,exports){
'use strict';
if(require('./_descriptors')){
  var LIBRARY             = require('./_library')
    , global              = require('./_global')
    , fails               = require('./_fails')
    , $export             = require('./_export')
    , $typed              = require('./_typed')
    , $buffer             = require('./_typed-buffer')
    , ctx                 = require('./_ctx')
    , anInstance          = require('./_an-instance')
    , propertyDesc        = require('./_property-desc')
    , hide                = require('./_hide')
    , redefineAll         = require('./_redefine-all')
    , toInteger           = require('./_to-integer')
    , toLength            = require('./_to-length')
    , toIndex             = require('./_to-index')
    , toPrimitive         = require('./_to-primitive')
    , has                 = require('./_has')
    , same                = require('./_same-value')
    , classof             = require('./_classof')
    , isObject            = require('./_is-object')
    , toObject            = require('./_to-object')
    , isArrayIter         = require('./_is-array-iter')
    , create              = require('./_object-create')
    , getPrototypeOf      = require('./_object-gpo')
    , gOPN                = require('./_object-gopn').f
    , getIterFn           = require('./core.get-iterator-method')
    , uid                 = require('./_uid')
    , wks                 = require('./_wks')
    , createArrayMethod   = require('./_array-methods')
    , createArrayIncludes = require('./_array-includes')
    , speciesConstructor  = require('./_species-constructor')
    , ArrayIterators      = require('./es6.array.iterator')
    , Iterators           = require('./_iterators')
    , $iterDetect         = require('./_iter-detect')
    , setSpecies          = require('./_set-species')
    , arrayFill           = require('./_array-fill')
    , arrayCopyWithin     = require('./_array-copy-within')
    , $DP                 = require('./_object-dp')
    , $GOPD               = require('./_object-gopd')
    , dP                  = $DP.f
    , gOPD                = $GOPD.f
    , RangeError          = global.RangeError
    , TypeError           = global.TypeError
    , Uint8Array          = global.Uint8Array
    , ARRAY_BUFFER        = 'ArrayBuffer'
    , SHARED_BUFFER       = 'Shared' + ARRAY_BUFFER
    , BYTES_PER_ELEMENT   = 'BYTES_PER_ELEMENT'
    , PROTOTYPE           = 'prototype'
    , ArrayProto          = Array[PROTOTYPE]
    , $ArrayBuffer        = $buffer.ArrayBuffer
    , $DataView           = $buffer.DataView
    , arrayForEach        = createArrayMethod(0)
    , arrayFilter         = createArrayMethod(2)
    , arraySome           = createArrayMethod(3)
    , arrayEvery          = createArrayMethod(4)
    , arrayFind           = createArrayMethod(5)
    , arrayFindIndex      = createArrayMethod(6)
    , arrayIncludes       = createArrayIncludes(true)
    , arrayIndexOf        = createArrayIncludes(false)
    , arrayValues         = ArrayIterators.values
    , arrayKeys           = ArrayIterators.keys
    , arrayEntries        = ArrayIterators.entries
    , arrayLastIndexOf    = ArrayProto.lastIndexOf
    , arrayReduce         = ArrayProto.reduce
    , arrayReduceRight    = ArrayProto.reduceRight
    , arrayJoin           = ArrayProto.join
    , arraySort           = ArrayProto.sort
    , arraySlice          = ArrayProto.slice
    , arrayToString       = ArrayProto.toString
    , arrayToLocaleString = ArrayProto.toLocaleString
    , ITERATOR            = wks('iterator')
    , TAG                 = wks('toStringTag')
    , TYPED_CONSTRUCTOR   = uid('typed_constructor')
    , DEF_CONSTRUCTOR     = uid('def_constructor')
    , ALL_CONSTRUCTORS    = $typed.CONSTR
    , TYPED_ARRAY         = $typed.TYPED
    , VIEW                = $typed.VIEW
    , WRONG_LENGTH        = 'Wrong length!';

  var $map = createArrayMethod(1, function(O, length){
    return allocate(speciesConstructor(O, O[DEF_CONSTRUCTOR]), length);
  });

  var LITTLE_ENDIAN = fails(function(){
    return new Uint8Array(new Uint16Array([1]).buffer)[0] === 1;
  });

  var FORCED_SET = !!Uint8Array && !!Uint8Array[PROTOTYPE].set && fails(function(){
    new Uint8Array(1).set({});
  });

  var strictToLength = function(it, SAME){
    if(it === undefined)throw TypeError(WRONG_LENGTH);
    var number = +it
      , length = toLength(it);
    if(SAME && !same(number, length))throw RangeError(WRONG_LENGTH);
    return length;
  };

  var toOffset = function(it, BYTES){
    var offset = toInteger(it);
    if(offset < 0 || offset % BYTES)throw RangeError('Wrong offset!');
    return offset;
  };

  var validate = function(it){
    if(isObject(it) && TYPED_ARRAY in it)return it;
    throw TypeError(it + ' is not a typed array!');
  };

  var allocate = function(C, length){
    if(!(isObject(C) && TYPED_CONSTRUCTOR in C)){
      throw TypeError('It is not a typed array constructor!');
    } return new C(length);
  };

  var speciesFromList = function(O, list){
    return fromList(speciesConstructor(O, O[DEF_CONSTRUCTOR]), list);
  };

  var fromList = function(C, list){
    var index  = 0
      , length = list.length
      , result = allocate(C, length);
    while(length > index)result[index] = list[index++];
    return result;
  };

  var addGetter = function(it, key, internal){
    dP(it, key, {get: function(){ return this._d[internal]; }});
  };

  var $from = function from(source /*, mapfn, thisArg */){
    var O       = toObject(source)
      , aLen    = arguments.length
      , mapfn   = aLen > 1 ? arguments[1] : undefined
      , mapping = mapfn !== undefined
      , iterFn  = getIterFn(O)
      , i, length, values, result, step, iterator;
    if(iterFn != undefined && !isArrayIter(iterFn)){
      for(iterator = iterFn.call(O), values = [], i = 0; !(step = iterator.next()).done; i++){
        values.push(step.value);
      } O = values;
    }
    if(mapping && aLen > 2)mapfn = ctx(mapfn, arguments[2], 2);
    for(i = 0, length = toLength(O.length), result = allocate(this, length); length > i; i++){
      result[i] = mapping ? mapfn(O[i], i) : O[i];
    }
    return result;
  };

  var $of = function of(/*...items*/){
    var index  = 0
      , length = arguments.length
      , result = allocate(this, length);
    while(length > index)result[index] = arguments[index++];
    return result;
  };

  // iOS Safari 6.x fails here
  var TO_LOCALE_BUG = !!Uint8Array && fails(function(){ arrayToLocaleString.call(new Uint8Array(1)); });

  var $toLocaleString = function toLocaleString(){
    return arrayToLocaleString.apply(TO_LOCALE_BUG ? arraySlice.call(validate(this)) : validate(this), arguments);
  };

  var proto = {
    copyWithin: function copyWithin(target, start /*, end */){
      return arrayCopyWithin.call(validate(this), target, start, arguments.length > 2 ? arguments[2] : undefined);
    },
    every: function every(callbackfn /*, thisArg */){
      return arrayEvery(validate(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
    },
    fill: function fill(value /*, start, end */){ // eslint-disable-line no-unused-vars
      return arrayFill.apply(validate(this), arguments);
    },
    filter: function filter(callbackfn /*, thisArg */){
      return speciesFromList(this, arrayFilter(validate(this), callbackfn,
        arguments.length > 1 ? arguments[1] : undefined));
    },
    find: function find(predicate /*, thisArg */){
      return arrayFind(validate(this), predicate, arguments.length > 1 ? arguments[1] : undefined);
    },
    findIndex: function findIndex(predicate /*, thisArg */){
      return arrayFindIndex(validate(this), predicate, arguments.length > 1 ? arguments[1] : undefined);
    },
    forEach: function forEach(callbackfn /*, thisArg */){
      arrayForEach(validate(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
    },
    indexOf: function indexOf(searchElement /*, fromIndex */){
      return arrayIndexOf(validate(this), searchElement, arguments.length > 1 ? arguments[1] : undefined);
    },
    includes: function includes(searchElement /*, fromIndex */){
      return arrayIncludes(validate(this), searchElement, arguments.length > 1 ? arguments[1] : undefined);
    },
    join: function join(separator){ // eslint-disable-line no-unused-vars
      return arrayJoin.apply(validate(this), arguments);
    },
    lastIndexOf: function lastIndexOf(searchElement /*, fromIndex */){ // eslint-disable-line no-unused-vars
      return arrayLastIndexOf.apply(validate(this), arguments);
    },
    map: function map(mapfn /*, thisArg */){
      return $map(validate(this), mapfn, arguments.length > 1 ? arguments[1] : undefined);
    },
    reduce: function reduce(callbackfn /*, initialValue */){ // eslint-disable-line no-unused-vars
      return arrayReduce.apply(validate(this), arguments);
    },
    reduceRight: function reduceRight(callbackfn /*, initialValue */){ // eslint-disable-line no-unused-vars
      return arrayReduceRight.apply(validate(this), arguments);
    },
    reverse: function reverse(){
      var that   = this
        , length = validate(that).length
        , middle = Math.floor(length / 2)
        , index  = 0
        , value;
      while(index < middle){
        value         = that[index];
        that[index++] = that[--length];
        that[length]  = value;
      } return that;
    },
    some: function some(callbackfn /*, thisArg */){
      return arraySome(validate(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
    },
    sort: function sort(comparefn){
      return arraySort.call(validate(this), comparefn);
    },
    subarray: function subarray(begin, end){
      var O      = validate(this)
        , length = O.length
        , $begin = toIndex(begin, length);
      return new (speciesConstructor(O, O[DEF_CONSTRUCTOR]))(
        O.buffer,
        O.byteOffset + $begin * O.BYTES_PER_ELEMENT,
        toLength((end === undefined ? length : toIndex(end, length)) - $begin)
      );
    }
  };

  var $slice = function slice(start, end){
    return speciesFromList(this, arraySlice.call(validate(this), start, end));
  };

  var $set = function set(arrayLike /*, offset */){
    validate(this);
    var offset = toOffset(arguments[1], 1)
      , length = this.length
      , src    = toObject(arrayLike)
      , len    = toLength(src.length)
      , index  = 0;
    if(len + offset > length)throw RangeError(WRONG_LENGTH);
    while(index < len)this[offset + index] = src[index++];
  };

  var $iterators = {
    entries: function entries(){
      return arrayEntries.call(validate(this));
    },
    keys: function keys(){
      return arrayKeys.call(validate(this));
    },
    values: function values(){
      return arrayValues.call(validate(this));
    }
  };

  var isTAIndex = function(target, key){
    return isObject(target)
      && target[TYPED_ARRAY]
      && typeof key != 'symbol'
      && key in target
      && String(+key) == String(key);
  };
  var $getDesc = function getOwnPropertyDescriptor(target, key){
    return isTAIndex(target, key = toPrimitive(key, true))
      ? propertyDesc(2, target[key])
      : gOPD(target, key);
  };
  var $setDesc = function defineProperty(target, key, desc){
    if(isTAIndex(target, key = toPrimitive(key, true))
      && isObject(desc)
      && has(desc, 'value')
      && !has(desc, 'get')
      && !has(desc, 'set')
      // TODO: add validation descriptor w/o calling accessors
      && !desc.configurable
      && (!has(desc, 'writable') || desc.writable)
      && (!has(desc, 'enumerable') || desc.enumerable)
    ){
      target[key] = desc.value;
      return target;
    } else return dP(target, key, desc);
  };

  if(!ALL_CONSTRUCTORS){
    $GOPD.f = $getDesc;
    $DP.f   = $setDesc;
  }

  $export($export.S + $export.F * !ALL_CONSTRUCTORS, 'Object', {
    getOwnPropertyDescriptor: $getDesc,
    defineProperty:           $setDesc
  });

  if(fails(function(){ arrayToString.call({}); })){
    arrayToString = arrayToLocaleString = function toString(){
      return arrayJoin.call(this);
    }
  }

  var $TypedArrayPrototype$ = redefineAll({}, proto);
  redefineAll($TypedArrayPrototype$, $iterators);
  hide($TypedArrayPrototype$, ITERATOR, $iterators.values);
  redefineAll($TypedArrayPrototype$, {
    slice:          $slice,
    set:            $set,
    constructor:    function(){ /* noop */ },
    toString:       arrayToString,
    toLocaleString: $toLocaleString
  });
  addGetter($TypedArrayPrototype$, 'buffer', 'b');
  addGetter($TypedArrayPrototype$, 'byteOffset', 'o');
  addGetter($TypedArrayPrototype$, 'byteLength', 'l');
  addGetter($TypedArrayPrototype$, 'length', 'e');
  dP($TypedArrayPrototype$, TAG, {
    get: function(){ return this[TYPED_ARRAY]; }
  });

  module.exports = function(KEY, BYTES, wrapper, CLAMPED){
    CLAMPED = !!CLAMPED;
    var NAME       = KEY + (CLAMPED ? 'Clamped' : '') + 'Array'
      , ISNT_UINT8 = NAME != 'Uint8Array'
      , GETTER     = 'get' + KEY
      , SETTER     = 'set' + KEY
      , TypedArray = global[NAME]
      , Base       = TypedArray || {}
      , TAC        = TypedArray && getPrototypeOf(TypedArray)
      , FORCED     = !TypedArray || !$typed.ABV
      , O          = {}
      , TypedArrayPrototype = TypedArray && TypedArray[PROTOTYPE];
    var getter = function(that, index){
      var data = that._d;
      return data.v[GETTER](index * BYTES + data.o, LITTLE_ENDIAN);
    };
    var setter = function(that, index, value){
      var data = that._d;
      if(CLAMPED)value = (value = Math.round(value)) < 0 ? 0 : value > 0xff ? 0xff : value & 0xff;
      data.v[SETTER](index * BYTES + data.o, value, LITTLE_ENDIAN);
    };
    var addElement = function(that, index){
      dP(that, index, {
        get: function(){
          return getter(this, index);
        },
        set: function(value){
          return setter(this, index, value);
        },
        enumerable: true
      });
    };
    if(FORCED){
      TypedArray = wrapper(function(that, data, $offset, $length){
        anInstance(that, TypedArray, NAME, '_d');
        var index  = 0
          , offset = 0
          , buffer, byteLength, length, klass;
        if(!isObject(data)){
          length     = strictToLength(data, true)
          byteLength = length * BYTES;
          buffer     = new $ArrayBuffer(byteLength);
        } else if(data instanceof $ArrayBuffer || (klass = classof(data)) == ARRAY_BUFFER || klass == SHARED_BUFFER){
          buffer = data;
          offset = toOffset($offset, BYTES);
          var $len = data.byteLength;
          if($length === undefined){
            if($len % BYTES)throw RangeError(WRONG_LENGTH);
            byteLength = $len - offset;
            if(byteLength < 0)throw RangeError(WRONG_LENGTH);
          } else {
            byteLength = toLength($length) * BYTES;
            if(byteLength + offset > $len)throw RangeError(WRONG_LENGTH);
          }
          length = byteLength / BYTES;
        } else if(TYPED_ARRAY in data){
          return fromList(TypedArray, data);
        } else {
          return $from.call(TypedArray, data);
        }
        hide(that, '_d', {
          b: buffer,
          o: offset,
          l: byteLength,
          e: length,
          v: new $DataView(buffer)
        });
        while(index < length)addElement(that, index++);
      });
      TypedArrayPrototype = TypedArray[PROTOTYPE] = create($TypedArrayPrototype$);
      hide(TypedArrayPrototype, 'constructor', TypedArray);
    } else if(!$iterDetect(function(iter){
      // V8 works with iterators, but fails in many other cases
      // https://code.google.com/p/v8/issues/detail?id=4552
      new TypedArray(null); // eslint-disable-line no-new
      new TypedArray(iter); // eslint-disable-line no-new
    }, true)){
      TypedArray = wrapper(function(that, data, $offset, $length){
        anInstance(that, TypedArray, NAME);
        var klass;
        // `ws` module bug, temporarily remove validation length for Uint8Array
        // https://github.com/websockets/ws/pull/645
        if(!isObject(data))return new Base(strictToLength(data, ISNT_UINT8));
        if(data instanceof $ArrayBuffer || (klass = classof(data)) == ARRAY_BUFFER || klass == SHARED_BUFFER){
          return $length !== undefined
            ? new Base(data, toOffset($offset, BYTES), $length)
            : $offset !== undefined
              ? new Base(data, toOffset($offset, BYTES))
              : new Base(data);
        }
        if(TYPED_ARRAY in data)return fromList(TypedArray, data);
        return $from.call(TypedArray, data);
      });
      arrayForEach(TAC !== Function.prototype ? gOPN(Base).concat(gOPN(TAC)) : gOPN(Base), function(key){
        if(!(key in TypedArray))hide(TypedArray, key, Base[key]);
      });
      TypedArray[PROTOTYPE] = TypedArrayPrototype;
      if(!LIBRARY)TypedArrayPrototype.constructor = TypedArray;
    }
    var $nativeIterator   = TypedArrayPrototype[ITERATOR]
      , CORRECT_ITER_NAME = !!$nativeIterator && ($nativeIterator.name == 'values' || $nativeIterator.name == undefined)
      , $iterator         = $iterators.values;
    hide(TypedArray, TYPED_CONSTRUCTOR, true);
    hide(TypedArrayPrototype, TYPED_ARRAY, NAME);
    hide(TypedArrayPrototype, VIEW, true);
    hide(TypedArrayPrototype, DEF_CONSTRUCTOR, TypedArray);

    if(CLAMPED ? new TypedArray(1)[TAG] != NAME : !(TAG in TypedArrayPrototype)){
      dP(TypedArrayPrototype, TAG, {
        get: function(){ return NAME; }
      });
    }

    O[NAME] = TypedArray;

    $export($export.G + $export.W + $export.F * (TypedArray != Base), O);

    $export($export.S, NAME, {
      BYTES_PER_ELEMENT: BYTES,
      from: $from,
      of: $of
    });

    if(!(BYTES_PER_ELEMENT in TypedArrayPrototype))hide(TypedArrayPrototype, BYTES_PER_ELEMENT, BYTES);

    $export($export.P, NAME, proto);

    setSpecies(NAME);

    $export($export.P + $export.F * FORCED_SET, NAME, {set: $set});

    $export($export.P + $export.F * !CORRECT_ITER_NAME, NAME, $iterators);

    $export($export.P + $export.F * (TypedArrayPrototype.toString != arrayToString), NAME, {toString: arrayToString});

    $export($export.P + $export.F * fails(function(){
      new TypedArray(1).slice();
    }), NAME, {slice: $slice});

    $export($export.P + $export.F * (fails(function(){
      return [1, 2].toLocaleString() != new TypedArray([1, 2]).toLocaleString()
    }) || !fails(function(){
      TypedArrayPrototype.toLocaleString.call([1, 2]);
    })), NAME, {toLocaleString: $toLocaleString});

    Iterators[NAME] = CORRECT_ITER_NAME ? $nativeIterator : $iterator;
    if(!LIBRARY && !CORRECT_ITER_NAME)hide(TypedArrayPrototype, ITERATOR, $iterator);
  };
} else module.exports = function(){ /* empty */ };
},{"./_an-instance":12,"./_array-copy-within":14,"./_array-fill":15,"./_array-includes":17,"./_array-methods":18,"./_classof":23,"./_ctx":31,"./_descriptors":34,"./_export":38,"./_fails":40,"./_global":44,"./_has":45,"./_hide":46,"./_is-array-iter":52,"./_is-object":55,"./_iter-detect":60,"./_iterators":62,"./_library":64,"./_object-create":72,"./_object-dp":73,"./_object-gopd":76,"./_object-gopn":78,"./_object-gpo":80,"./_property-desc":91,"./_redefine-all":92,"./_same-value":95,"./_set-species":97,"./_species-constructor":101,"./_to-index":111,"./_to-integer":112,"./_to-length":114,"./_to-object":115,"./_to-primitive":116,"./_typed":119,"./_typed-buffer":118,"./_uid":120,"./_wks":123,"./core.get-iterator-method":124,"./es6.array.iterator":136}],118:[function(require,module,exports){
'use strict';
var global         = require('./_global')
  , DESCRIPTORS    = require('./_descriptors')
  , LIBRARY        = require('./_library')
  , $typed         = require('./_typed')
  , hide           = require('./_hide')
  , redefineAll    = require('./_redefine-all')
  , fails          = require('./_fails')
  , anInstance     = require('./_an-instance')
  , toInteger      = require('./_to-integer')
  , toLength       = require('./_to-length')
  , gOPN           = require('./_object-gopn').f
  , dP             = require('./_object-dp').f
  , arrayFill      = require('./_array-fill')
  , setToStringTag = require('./_set-to-string-tag')
  , ARRAY_BUFFER   = 'ArrayBuffer'
  , DATA_VIEW      = 'DataView'
  , PROTOTYPE      = 'prototype'
  , WRONG_LENGTH   = 'Wrong length!'
  , WRONG_INDEX    = 'Wrong index!'
  , $ArrayBuffer   = global[ARRAY_BUFFER]
  , $DataView      = global[DATA_VIEW]
  , Math           = global.Math
  , RangeError     = global.RangeError
  , Infinity       = global.Infinity
  , BaseBuffer     = $ArrayBuffer
  , abs            = Math.abs
  , pow            = Math.pow
  , floor          = Math.floor
  , log            = Math.log
  , LN2            = Math.LN2
  , BUFFER         = 'buffer'
  , BYTE_LENGTH    = 'byteLength'
  , BYTE_OFFSET    = 'byteOffset'
  , $BUFFER        = DESCRIPTORS ? '_b' : BUFFER
  , $LENGTH        = DESCRIPTORS ? '_l' : BYTE_LENGTH
  , $OFFSET        = DESCRIPTORS ? '_o' : BYTE_OFFSET;

// IEEE754 conversions based on https://github.com/feross/ieee754
var packIEEE754 = function(value, mLen, nBytes){
  var buffer = Array(nBytes)
    , eLen   = nBytes * 8 - mLen - 1
    , eMax   = (1 << eLen) - 1
    , eBias  = eMax >> 1
    , rt     = mLen === 23 ? pow(2, -24) - pow(2, -77) : 0
    , i      = 0
    , s      = value < 0 || value === 0 && 1 / value < 0 ? 1 : 0
    , e, m, c;
  value = abs(value)
  if(value != value || value === Infinity){
    m = value != value ? 1 : 0;
    e = eMax;
  } else {
    e = floor(log(value) / LN2);
    if(value * (c = pow(2, -e)) < 1){
      e--;
      c *= 2;
    }
    if(e + eBias >= 1){
      value += rt / c;
    } else {
      value += rt * pow(2, 1 - eBias);
    }
    if(value * c >= 2){
      e++;
      c /= 2;
    }
    if(e + eBias >= eMax){
      m = 0;
      e = eMax;
    } else if(e + eBias >= 1){
      m = (value * c - 1) * pow(2, mLen);
      e = e + eBias;
    } else {
      m = value * pow(2, eBias - 1) * pow(2, mLen);
      e = 0;
    }
  }
  for(; mLen >= 8; buffer[i++] = m & 255, m /= 256, mLen -= 8);
  e = e << mLen | m;
  eLen += mLen;
  for(; eLen > 0; buffer[i++] = e & 255, e /= 256, eLen -= 8);
  buffer[--i] |= s * 128;
  return buffer;
};
var unpackIEEE754 = function(buffer, mLen, nBytes){
  var eLen  = nBytes * 8 - mLen - 1
    , eMax  = (1 << eLen) - 1
    , eBias = eMax >> 1
    , nBits = eLen - 7
    , i     = nBytes - 1
    , s     = buffer[i--]
    , e     = s & 127
    , m;
  s >>= 7;
  for(; nBits > 0; e = e * 256 + buffer[i], i--, nBits -= 8);
  m = e & (1 << -nBits) - 1;
  e >>= -nBits;
  nBits += mLen;
  for(; nBits > 0; m = m * 256 + buffer[i], i--, nBits -= 8);
  if(e === 0){
    e = 1 - eBias;
  } else if(e === eMax){
    return m ? NaN : s ? -Infinity : Infinity;
  } else {
    m = m + pow(2, mLen);
    e = e - eBias;
  } return (s ? -1 : 1) * m * pow(2, e - mLen);
};

var unpackI32 = function(bytes){
  return bytes[3] << 24 | bytes[2] << 16 | bytes[1] << 8 | bytes[0];
};
var packI8 = function(it){
  return [it & 0xff];
};
var packI16 = function(it){
  return [it & 0xff, it >> 8 & 0xff];
};
var packI32 = function(it){
  return [it & 0xff, it >> 8 & 0xff, it >> 16 & 0xff, it >> 24 & 0xff];
};
var packF64 = function(it){
  return packIEEE754(it, 52, 8);
};
var packF32 = function(it){
  return packIEEE754(it, 23, 4);
};

var addGetter = function(C, key, internal){
  dP(C[PROTOTYPE], key, {get: function(){ return this[internal]; }});
};

var get = function(view, bytes, index, isLittleEndian){
  var numIndex = +index
    , intIndex = toInteger(numIndex);
  if(numIndex != intIndex || intIndex < 0 || intIndex + bytes > view[$LENGTH])throw RangeError(WRONG_INDEX);
  var store = view[$BUFFER]._b
    , start = intIndex + view[$OFFSET]
    , pack  = store.slice(start, start + bytes);
  return isLittleEndian ? pack : pack.reverse();
};
var set = function(view, bytes, index, conversion, value, isLittleEndian){
  var numIndex = +index
    , intIndex = toInteger(numIndex);
  if(numIndex != intIndex || intIndex < 0 || intIndex + bytes > view[$LENGTH])throw RangeError(WRONG_INDEX);
  var store = view[$BUFFER]._b
    , start = intIndex + view[$OFFSET]
    , pack  = conversion(+value);
  for(var i = 0; i < bytes; i++)store[start + i] = pack[isLittleEndian ? i : bytes - i - 1];
};

var validateArrayBufferArguments = function(that, length){
  anInstance(that, $ArrayBuffer, ARRAY_BUFFER);
  var numberLength = +length
    , byteLength   = toLength(numberLength);
  if(numberLength != byteLength)throw RangeError(WRONG_LENGTH);
  return byteLength;
};

if(!$typed.ABV){
  $ArrayBuffer = function ArrayBuffer(length){
    var byteLength = validateArrayBufferArguments(this, length);
    this._b       = arrayFill.call(Array(byteLength), 0);
    this[$LENGTH] = byteLength;
  };

  $DataView = function DataView(buffer, byteOffset, byteLength){
    anInstance(this, $DataView, DATA_VIEW);
    anInstance(buffer, $ArrayBuffer, DATA_VIEW);
    var bufferLength = buffer[$LENGTH]
      , offset       = toInteger(byteOffset);
    if(offset < 0 || offset > bufferLength)throw RangeError('Wrong offset!');
    byteLength = byteLength === undefined ? bufferLength - offset : toLength(byteLength);
    if(offset + byteLength > bufferLength)throw RangeError(WRONG_LENGTH);
    this[$BUFFER] = buffer;
    this[$OFFSET] = offset;
    this[$LENGTH] = byteLength;
  };

  if(DESCRIPTORS){
    addGetter($ArrayBuffer, BYTE_LENGTH, '_l');
    addGetter($DataView, BUFFER, '_b');
    addGetter($DataView, BYTE_LENGTH, '_l');
    addGetter($DataView, BYTE_OFFSET, '_o');
  }

  redefineAll($DataView[PROTOTYPE], {
    getInt8: function getInt8(byteOffset){
      return get(this, 1, byteOffset)[0] << 24 >> 24;
    },
    getUint8: function getUint8(byteOffset){
      return get(this, 1, byteOffset)[0];
    },
    getInt16: function getInt16(byteOffset /*, littleEndian */){
      var bytes = get(this, 2, byteOffset, arguments[1]);
      return (bytes[1] << 8 | bytes[0]) << 16 >> 16;
    },
    getUint16: function getUint16(byteOffset /*, littleEndian */){
      var bytes = get(this, 2, byteOffset, arguments[1]);
      return bytes[1] << 8 | bytes[0];
    },
    getInt32: function getInt32(byteOffset /*, littleEndian */){
      return unpackI32(get(this, 4, byteOffset, arguments[1]));
    },
    getUint32: function getUint32(byteOffset /*, littleEndian */){
      return unpackI32(get(this, 4, byteOffset, arguments[1])) >>> 0;
    },
    getFloat32: function getFloat32(byteOffset /*, littleEndian */){
      return unpackIEEE754(get(this, 4, byteOffset, arguments[1]), 23, 4);
    },
    getFloat64: function getFloat64(byteOffset /*, littleEndian */){
      return unpackIEEE754(get(this, 8, byteOffset, arguments[1]), 52, 8);
    },
    setInt8: function setInt8(byteOffset, value){
      set(this, 1, byteOffset, packI8, value);
    },
    setUint8: function setUint8(byteOffset, value){
      set(this, 1, byteOffset, packI8, value);
    },
    setInt16: function setInt16(byteOffset, value /*, littleEndian */){
      set(this, 2, byteOffset, packI16, value, arguments[2]);
    },
    setUint16: function setUint16(byteOffset, value /*, littleEndian */){
      set(this, 2, byteOffset, packI16, value, arguments[2]);
    },
    setInt32: function setInt32(byteOffset, value /*, littleEndian */){
      set(this, 4, byteOffset, packI32, value, arguments[2]);
    },
    setUint32: function setUint32(byteOffset, value /*, littleEndian */){
      set(this, 4, byteOffset, packI32, value, arguments[2]);
    },
    setFloat32: function setFloat32(byteOffset, value /*, littleEndian */){
      set(this, 4, byteOffset, packF32, value, arguments[2]);
    },
    setFloat64: function setFloat64(byteOffset, value /*, littleEndian */){
      set(this, 8, byteOffset, packF64, value, arguments[2]);
    }
  });
} else {
  if(!fails(function(){
    new $ArrayBuffer;     // eslint-disable-line no-new
  }) || !fails(function(){
    new $ArrayBuffer(.5); // eslint-disable-line no-new
  })){
    $ArrayBuffer = function ArrayBuffer(length){
      return new BaseBuffer(validateArrayBufferArguments(this, length));
    };
    var ArrayBufferProto = $ArrayBuffer[PROTOTYPE] = BaseBuffer[PROTOTYPE];
    for(var keys = gOPN(BaseBuffer), j = 0, key; keys.length > j; ){
      if(!((key = keys[j++]) in $ArrayBuffer))hide($ArrayBuffer, key, BaseBuffer[key]);
    };
    if(!LIBRARY)ArrayBufferProto.constructor = $ArrayBuffer;
  }
  // iOS Safari 7.x bug
  var view = new $DataView(new $ArrayBuffer(2))
    , $setInt8 = $DataView[PROTOTYPE].setInt8;
  view.setInt8(0, 2147483648);
  view.setInt8(1, 2147483649);
  if(view.getInt8(0) || !view.getInt8(1))redefineAll($DataView[PROTOTYPE], {
    setInt8: function setInt8(byteOffset, value){
      $setInt8.call(this, byteOffset, value << 24 >> 24);
    },
    setUint8: function setUint8(byteOffset, value){
      $setInt8.call(this, byteOffset, value << 24 >> 24);
    }
  }, true);
}
setToStringTag($ArrayBuffer, ARRAY_BUFFER);
setToStringTag($DataView, DATA_VIEW);
hide($DataView[PROTOTYPE], $typed.VIEW, true);
exports[ARRAY_BUFFER] = $ArrayBuffer;
exports[DATA_VIEW] = $DataView;
},{"./_an-instance":12,"./_array-fill":15,"./_descriptors":34,"./_fails":40,"./_global":44,"./_hide":46,"./_library":64,"./_object-dp":73,"./_object-gopn":78,"./_redefine-all":92,"./_set-to-string-tag":98,"./_to-integer":112,"./_to-length":114,"./_typed":119}],119:[function(require,module,exports){
var global = require('./_global')
  , hide   = require('./_hide')
  , uid    = require('./_uid')
  , TYPED  = uid('typed_array')
  , VIEW   = uid('view')
  , ABV    = !!(global.ArrayBuffer && global.DataView)
  , CONSTR = ABV
  , i = 0, l = 9, Typed;

var TypedArrayConstructors = (
  'Int8Array,Uint8Array,Uint8ClampedArray,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array'
).split(',');

while(i < l){
  if(Typed = global[TypedArrayConstructors[i++]]){
    hide(Typed.prototype, TYPED, true);
    hide(Typed.prototype, VIEW, true);
  } else CONSTR = false;
}

module.exports = {
  ABV:    ABV,
  CONSTR: CONSTR,
  TYPED:  TYPED,
  VIEW:   VIEW
};
},{"./_global":44,"./_hide":46,"./_uid":120}],120:[function(require,module,exports){
var id = 0
  , px = Math.random();
module.exports = function(key){
  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));
};
},{}],121:[function(require,module,exports){
var global         = require('./_global')
  , core           = require('./_core')
  , LIBRARY        = require('./_library')
  , wksExt         = require('./_wks-ext')
  , defineProperty = require('./_object-dp').f;
module.exports = function(name){
  var $Symbol = core.Symbol || (core.Symbol = LIBRARY ? {} : global.Symbol || {});
  if(name.charAt(0) != '_' && !(name in $Symbol))defineProperty($Symbol, name, {value: wksExt.f(name)});
};
},{"./_core":29,"./_global":44,"./_library":64,"./_object-dp":73,"./_wks-ext":122}],122:[function(require,module,exports){
exports.f = require('./_wks');
},{"./_wks":123}],123:[function(require,module,exports){
var store      = require('./_shared')('wks')
  , uid        = require('./_uid')
  , Symbol     = require('./_global').Symbol
  , 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":44,"./_shared":100,"./_uid":120}],124:[function(require,module,exports){
var classof   = require('./_classof')
  , ITERATOR  = require('./_wks')('iterator')
  , Iterators = require('./_iterators');
module.exports = require('./_core').getIteratorMethod = function(it){
  if(it != undefined)return it[ITERATOR]
    || it['@@iterator']
    || Iterators[classof(it)];
};
},{"./_classof":23,"./_core":29,"./_iterators":62,"./_wks":123}],125:[function(require,module,exports){
// https://github.com/benjamingr/RexExp.escape
var $export = require('./_export')
  , $re     = require('./_replacer')(/[\\^$*+?.()|[\]{}]/g, '\\$&');

$export($export.S, 'RegExp', {escape: function escape(it){ return $re(it); }});

},{"./_export":38,"./_replacer":94}],126:[function(require,module,exports){
// 22.1.3.3 Array.prototype.copyWithin(target, start, end = this.length)
var $export = require('./_export');

$export($export.P, 'Array', {copyWithin: require('./_array-copy-within')});

require('./_add-to-unscopables')('copyWithin');
},{"./_add-to-unscopables":11,"./_array-copy-within":14,"./_export":38}],127:[function(require,module,exports){
'use strict';
var $export = require('./_export')
  , $every  = require('./_array-methods')(4);

$export($export.P + $export.F * !require('./_strict-method')([].every, true), 'Array', {
  // 22.1.3.5 / 15.4.4.16 Array.prototype.every(callbackfn [, thisArg])
  every: function every(callbackfn /* , thisArg */){
    return $every(this, callbackfn, arguments[1]);
  }
});
},{"./_array-methods":18,"./_export":38,"./_strict-method":102}],128:[function(require,module,exports){
// 22.1.3.6 Array.prototype.fill(value, start = 0, end = this.length)
var $export = require('./_export');

$export($export.P, 'Array', {fill: require('./_array-fill')});

require('./_add-to-unscopables')('fill');
},{"./_add-to-unscopables":11,"./_array-fill":15,"./_export":38}],129:[function(require,module,exports){
'use strict';
var $export = require('./_export')
  , $filter = require('./_array-methods')(2);

$export($export.P + $export.F * !require('./_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":18,"./_export":38,"./_strict-method":102}],130:[function(require,module,exports){
'use strict';
// 22.1.3.9 Array.prototype.findIndex(predicate, thisArg = undefined)
var $export = require('./_export')
  , $find   = require('./_array-methods')(6)
  , KEY     = 'findIndex'
  , forced  = true;
// Shouldn't skip holes
if(KEY in [])Array(1)[KEY](function(){ forced = false; });
$export($export.P + $export.F * forced, 'Array', {
  findIndex: function findIndex(callbackfn/*, that = undefined */){
    return $find(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
  }
});
require('./_add-to-unscopables')(KEY);
},{"./_add-to-unscopables":11,"./_array-methods":18,"./_export":38}],131:[function(require,module,exports){
'use strict';
// 22.1.3.8 Array.prototype.find(predicate, thisArg = undefined)
var $export = require('./_export')
  , $find   = require('./_array-methods')(5)
  , KEY     = 'find'
  , forced  = true;
// Shouldn't skip holes
if(KEY in [])Array(1)[KEY](function(){ forced = false; });
$export($export.P + $export.F * forced, 'Array', {
  find: function find(callbackfn/*, that = undefined */){
    return $find(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
  }
});
require('./_add-to-unscopables')(KEY);
},{"./_add-to-unscopables":11,"./_array-methods":18,"./_export":38}],132:[function(require,module,exports){
'use strict';
var $export  = require('./_export')
  , $forEach = require('./_array-methods')(0)
  , STRICT   = require('./_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":18,"./_export":38,"./_strict-method":102}],133:[function(require,module,exports){
'use strict';
var ctx            = require('./_ctx')
  , $export        = require('./_export')
  , toObject       = require('./_to-object')
  , call           = require('./_iter-call')
  , isArrayIter    = require('./_is-array-iter')
  , toLength       = require('./_to-length')
  , createProperty = require('./_create-property')
  , getIterFn      = require('./core.get-iterator-method');

$export($export.S + $export.F * !require('./_iter-detect')(function(iter){ Array.from(iter); }), 'Array', {
  // 22.1.2.1 Array.from(arrayLike, mapfn = undefined, thisArg = undefined)
  from: function from(arrayLike/*, mapfn = undefined, thisArg = undefined*/){
    var O       = toObject(arrayLike)
      , C       = typeof this == 'function' ? this : Array
      , aLen    = arguments.length
      , mapfn   = aLen > 1 ? arguments[1] : undefined
      , mapping = mapfn !== undefined
      , index   = 0
      , iterFn  = getIterFn(O)
      , length, result, step, iterator;
    if(mapping)mapfn = ctx(mapfn, aLen > 2 ? arguments[2] : undefined, 2);
    // if object isn't iterable or it's array with default iterator - use simple case
    if(iterFn != undefined && !(C == Array && isArrayIter(iterFn))){
      for(iterator = iterFn.call(O), result = new C; !(step = iterator.next()).done; index++){
        createProperty(result, index, mapping ? call(iterator, mapfn, [step.value, index], true) : step.value);
      }
    } else {
      length = toLength(O.length);
      for(result = new C(length); length > index; index++){
        createProperty(result, index, mapping ? mapfn(O[index], index) : O[index]);
      }
    }
    result.length = index;
    return result;
  }
});

},{"./_create-property":30,"./_ctx":31,"./_export":38,"./_is-array-iter":52,"./_iter-call":57,"./_iter-detect":60,"./_to-length":114,"./_to-object":115,"./core.get-iterator-method":124}],134:[function(require,module,exports){
'use strict';
var $export       = require('./_export')
  , $indexOf      = require('./_array-includes')(false)
  , $native       = [].indexOf
  , NEGATIVE_ZERO = !!$native && 1 / [1].indexOf(1, -0) < 0;

$export($export.P + $export.F * (NEGATIVE_ZERO || !require('./_strict-method')($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":17,"./_export":38,"./_strict-method":102}],135:[function(require,module,exports){
// 22.1.2.2 / 15.4.3.2 Array.isArray(arg)
var $export = require('./_export');

$export($export.S, 'Array', {isArray: require('./_is-array')});
},{"./_export":38,"./_is-array":53}],136:[function(require,module,exports){
'use strict';
var addToUnscopables = require('./_add-to-unscopables')
  , step             = require('./_iter-step')
  , Iterators        = require('./_iterators')
  , toIObject        = require('./_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 = require('./_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
    , kind  = this._k
    , 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":11,"./_iter-define":59,"./_iter-step":61,"./_iterators":62,"./_to-iobject":113}],137:[function(require,module,exports){
'use strict';
// 22.1.3.13 Array.prototype.join(separator)
var $export   = require('./_export')
  , toIObject = require('./_to-iobject')
  , arrayJoin = [].join;

// fallback for not array-like strings
$export($export.P + $export.F * (require('./_iobject') != Object || !require('./_strict-method')(arrayJoin)), 'Array', {
  join: function join(separator){
    return arrayJoin.call(toIObject(this), separator === undefined ? ',' : separator);
  }
});
},{"./_export":38,"./_iobject":51,"./_strict-method":102,"./_to-iobject":113}],138:[function(require,module,exports){
'use strict';
var $export       = require('./_export')
  , toIObject     = require('./_to-iobject')
  , toInteger     = require('./_to-integer')
  , toLength      = require('./_to-length')
  , $native       = [].lastIndexOf
  , NEGATIVE_ZERO = !!$native && 1 / [1].lastIndexOf(1, -0) < 0;

$export($export.P + $export.F * (NEGATIVE_ZERO || !require('./_strict-method')($native)), 'Array', {
  // 22.1.3.14 / 15.4.4.15 Array.prototype.lastIndexOf(searchElement [, fromIndex])
  lastIndexOf: function lastIndexOf(searchElement /*, fromIndex = @[*-1] */){
    // convert -0 to +0
    if(NEGATIVE_ZERO)return $native.apply(this, arguments) || 0;
    var O      = toIObject(this)
      , length = toLength(O.length)
      , index  = length - 1;
    if(arguments.length > 1)index = Math.min(index, toInteger(arguments[1]));
    if(index < 0)index = length + index;
    for(;index >= 0; index--)if(index in O)if(O[index] === searchElement)return index || 0;
    return -1;
  }
});
},{"./_export":38,"./_strict-method":102,"./_to-integer":112,"./_to-iobject":113,"./_to-length":114}],139:[function(require,module,exports){
'use strict';
var $export = require('./_export')
  , $map    = require('./_array-methods')(1);

$export($export.P + $export.F * !require('./_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":18,"./_export":38,"./_strict-method":102}],140:[function(require,module,exports){
'use strict';
var $export        = require('./_export')
  , createProperty = require('./_create-property');

// WebKit Array.of isn't generic
$export($export.S + $export.F * require('./_fails')(function(){
  function F(){}
  return !(Array.of.call(F) instanceof F);
}), 'Array', {
  // 22.1.2.3 Array.of( ...items)
  of: function of(/* ...args */){
    var index  = 0
      , aLen   = arguments.length
      , result = new (typeof this == 'function' ? this : Array)(aLen);
    while(aLen > index)createProperty(result, index, arguments[index++]);
    result.length = aLen;
    return result;
  }
});
},{"./_create-property":30,"./_export":38,"./_fails":40}],141:[function(require,module,exports){
'use strict';
var $export = require('./_export')
  , $reduce = require('./_array-reduce');

$export($export.P + $export.F * !require('./_strict-method')([].reduceRight, true), 'Array', {
  // 22.1.3.19 / 15.4.4.22 Array.prototype.reduceRight(callbackfn [, initialValue])
  reduceRight: function reduceRight(callbackfn /* , initialValue */){
    return $reduce(this, callbackfn, arguments.length, arguments[1], true);
  }
});
},{"./_array-reduce":19,"./_export":38,"./_strict-method":102}],142:[function(require,module,exports){
'use strict';
var $export = require('./_export')
  , $reduce = require('./_array-reduce');

$export($export.P + $export.F * !require('./_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":19,"./_export":38,"./_strict-method":102}],143:[function(require,module,exports){
'use strict';
var $export    = require('./_export')
  , html       = require('./_html')
  , cof        = require('./_cof')
  , toIndex    = require('./_to-index')
  , toLength   = require('./_to-length')
  , arraySlice = [].slice;

// fallback for not array-like ES3 strings and DOM objects
$export($export.P + $export.F * require('./_fails')(function(){
  if(html)arraySlice.call(html);
}), 'Array', {
  slice: function slice(begin, end){
    var len   = toLength(this.length)
      , klass = cof(this);
    end = end === undefined ? len : end;
    if(klass == 'Array')return arraySlice.call(this, begin, end);
    var start  = toIndex(begin, len)
      , upTo   = toIndex(end, len)
      , size   = toLength(upTo - start)
      , cloned = Array(size)
      , i      = 0;
    for(; i < size; i++)cloned[i] = klass == 'String'
      ? this.charAt(start + i)
      : this[start + i];
    return cloned;
  }
});
},{"./_cof":24,"./_export":38,"./_fails":40,"./_html":47,"./_to-index":111,"./_to-length":114}],144:[function(require,module,exports){
'use strict';
var $export = require('./_export')
  , $some   = require('./_array-methods')(3);

$export($export.P + $export.F * !require('./_strict-method')([].some, true), 'Array', {
  // 22.1.3.23 / 15.4.4.17 Array.prototype.some(callbackfn [, thisArg])
  some: function some(callbackfn /* , thisArg */){
    return $some(this, callbackfn, arguments[1]);
  }
});
},{"./_array-methods":18,"./_export":38,"./_strict-method":102}],145:[function(require,module,exports){
'use strict';
var $export   = require('./_export')
  , aFunction = require('./_a-function')
  , toObject  = require('./_to-object')
  , fails     = require('./_fails')
  , $sort     = [].sort
  , test      = [1, 2, 3];

$export($export.P + $export.F * (fails(function(){
  // IE8-
  test.sort(undefined);
}) || !fails(function(){
  // V8 bug
  test.sort(null);
  // Old WebKit
}) || !require('./_strict-method')($sort)), 'Array', {
  // 22.1.3.25 Array.prototype.sort(comparefn)
  sort: function sort(comparefn){
    return comparefn === undefined
      ? $sort.call(toObject(this))
      : $sort.call(toObject(this), aFunction(comparefn));
  }
});
},{"./_a-function":9,"./_export":38,"./_fails":40,"./_strict-method":102,"./_to-object":115}],146:[function(require,module,exports){
require('./_set-species')('Array');
},{"./_set-species":97}],147:[function(require,module,exports){
// 20.3.3.1 / 15.9.4.4 Date.now()
var $export = require('./_export');

$export($export.S, 'Date', {now: function(){ return new Date().getTime(); }});
},{"./_export":38}],148:[function(require,module,exports){
'use strict';
// 20.3.4.36 / 15.9.5.43 Date.prototype.toISOString()
var $export = require('./_export')
  , fails   = require('./_fails')
  , getTime = Date.prototype.getTime;

var lz = function(num){
  return num > 9 ? num : '0' + num;
};

// PhantomJS / old WebKit has a broken implementations
$export($export.P + $export.F * (fails(function(){
  return new Date(-5e13 - 1).toISOString() != '0385-07-25T07:06:39.999Z';
}) || !fails(function(){
  new Date(NaN).toISOString();
})), 'Date', {
  toISOString: function toISOString(){
    if(!isFinite(getTime.call(this)))throw RangeError('Invalid time value');
    var d = this
      , y = d.getUTCFullYear()
      , m = d.getUTCMilliseconds()
      , s = y < 0 ? '-' : y > 9999 ? '+' : '';
    return s + ('00000' + Math.abs(y)).slice(s ? -6 : -4) +
      '-' + lz(d.getUTCMonth() + 1) + '-' + lz(d.getUTCDate()) +
      'T' + lz(d.getUTCHours()) + ':' + lz(d.getUTCMinutes()) +
      ':' + lz(d.getUTCSeconds()) + '.' + (m > 99 ? m : '0' + lz(m)) + 'Z';
  }
});
},{"./_export":38,"./_fails":40}],149:[function(require,module,exports){
'use strict';
var $export     = require('./_export')
  , toObject    = require('./_to-object')
  , toPrimitive = require('./_to-primitive');

$export($export.P + $export.F * require('./_fails')(function(){
  return new Date(NaN).toJSON() !== null || Date.prototype.toJSON.call({toISOString: function(){ return 1; }}) !== 1;
}), 'Date', {
  toJSON: function toJSON(key){
    var O  = toObject(this)
      , pv = toPrimitive(O);
    return typeof pv == 'number' && !isFinite(pv) ? null : O.toISOString();
  }
});
},{"./_export":38,"./_fails":40,"./_to-object":115,"./_to-primitive":116}],150:[function(require,module,exports){
var TO_PRIMITIVE = require('./_wks')('toPrimitive')
  , proto        = Date.prototype;

if(!(TO_PRIMITIVE in proto))require('./_hide')(proto, TO_PRIMITIVE, require('./_date-to-primitive'));
},{"./_date-to-primitive":32,"./_hide":46,"./_wks":123}],151:[function(require,module,exports){
var DateProto    = Date.prototype
  , INVALID_DATE = 'Invalid Date'
  , TO_STRING    = 'toString'
  , $toString    = DateProto[TO_STRING]
  , getTime      = DateProto.getTime;
if(new Date(NaN) + '' != INVALID_DATE){
  require('./_redefine')(DateProto, TO_STRING, function toString(){
    var value = getTime.call(this);
    return value === value ? $toString.call(this) : INVALID_DATE;
  });
}
},{"./_redefine":93}],152:[function(require,module,exports){
// 19.2.3.2 / 15.3.4.5 Function.prototype.bind(thisArg, args...)
var $export = require('./_export');

$export($export.P, 'Function', {bind: require('./_bind')});
},{"./_bind":22,"./_export":38}],153:[function(require,module,exports){
'use strict';
var isObject       = require('./_is-object')
  , getPrototypeOf = require('./_object-gpo')
  , HAS_INSTANCE   = require('./_wks')('hasInstance')
  , FunctionProto  = Function.prototype;
// 19.2.3.6 Function.prototype[@@hasInstance](V)
if(!(HAS_INSTANCE in FunctionProto))require('./_object-dp').f(FunctionProto, HAS_INSTANCE, {value: function(O){
  if(typeof this != 'function' || !isObject(O))return false;
  if(!isObject(this.prototype))return O instanceof this;
  // for environment w/o native `@@hasInstance` logic enough `instanceof`, but add this:
  while(O = getPrototypeOf(O))if(this.prototype === O)return true;
  return false;
}});
},{"./_is-object":55,"./_object-dp":73,"./_object-gpo":80,"./_wks":123}],154:[function(require,module,exports){
var dP         = require('./_object-dp').f
  , createDesc = require('./_property-desc')
  , has        = require('./_has')
  , FProto     = Function.prototype
  , nameRE     = /^\s*function ([^ (]*)/
  , NAME       = 'name';

var isExtensible = Object.isExtensible || function(){
  return true;
};

// 19.2.4.2 name
NAME in FProto || require('./_descriptors') && dP(FProto, NAME, {
  configurable: true,
  get: function(){
    try {
      var that = this
        , name = ('' + that).match(nameRE)[1];
      has(that, NAME) || !isExtensible(that) || dP(that, NAME, createDesc(5, name));
      return name;
    } catch(e){
      return '';
    }
  }
});
},{"./_descriptors":34,"./_has":45,"./_object-dp":73,"./_property-desc":91}],155:[function(require,module,exports){
'use strict';
var strong = require('./_collection-strong');

// 23.1 Map Objects
module.exports = require('./_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(this, key);
    return entry && entry.v;
  },
  // 23.1.3.9 Map.prototype.set(key, value)
  set: function set(key, value){
    return strong.def(this, key === 0 ? 0 : key, value);
  }
}, strong, true);
},{"./_collection":28,"./_collection-strong":25}],156:[function(require,module,exports){
// 20.2.2.3 Math.acosh(x)
var $export = require('./_export')
  , log1p   = require('./_math-log1p')
  , sqrt    = Math.sqrt
  , $acosh  = Math.acosh;

$export($export.S + $export.F * !($acosh
  // V8 bug: https://code.google.com/p/v8/issues/detail?id=3509
  && Math.floor($acosh(Number.MAX_VALUE)) == 710
  // Tor Browser bug: Math.acosh(Infinity) -> NaN 
  && $acosh(Infinity) == Infinity
), 'Math', {
  acosh: function acosh(x){
    return (x = +x) < 1 ? NaN : x > 94906265.62425156
      ? Math.log(x) + Math.LN2
      : log1p(x - 1 + sqrt(x - 1) * sqrt(x + 1));
  }
});
},{"./_export":38,"./_math-log1p":66}],157:[function(require,module,exports){
// 20.2.2.5 Math.asinh(x)
var $export = require('./_export')
  , $asinh  = Math.asinh;

function asinh(x){
  return !isFinite(x = +x) || x == 0 ? x : x < 0 ? -asinh(-x) : Math.log(x + Math.sqrt(x * x + 1));
}

// Tor Browser bug: Math.asinh(0) -> -0 
$export($export.S + $export.F * !($asinh && 1 / $asinh(0) > 0), 'Math', {asinh: asinh});
},{"./_export":38}],158:[function(require,module,exports){
// 20.2.2.7 Math.atanh(x)
var $export = require('./_export')
  , $atanh  = Math.atanh;

// Tor Browser bug: Math.atanh(-0) -> 0 
$export($export.S + $export.F * !($atanh && 1 / $atanh(-0) < 0), 'Math', {
  atanh: function atanh(x){
    return (x = +x) == 0 ? x : Math.log((1 + x) / (1 - x)) / 2;
  }
});
},{"./_export":38}],159:[function(require,module,exports){
// 20.2.2.9 Math.cbrt(x)
var $export = require('./_export')
  , sign    = require('./_math-sign');

$export($export.S, 'Math', {
  cbrt: function cbrt(x){
    return sign(x = +x) * Math.pow(Math.abs(x), 1 / 3);
  }
});
},{"./_export":38,"./_math-sign":67}],160:[function(require,module,exports){
// 20.2.2.11 Math.clz32(x)
var $export = require('./_export');

$export($export.S, 'Math', {
  clz32: function clz32(x){
    return (x >>>= 0) ? 31 - Math.floor(Math.log(x + 0.5) * Math.LOG2E) : 32;
  }
});
},{"./_export":38}],161:[function(require,module,exports){
// 20.2.2.12 Math.cosh(x)
var $export = require('./_export')
  , exp     = Math.exp;

$export($export.S, 'Math', {
  cosh: function cosh(x){
    return (exp(x = +x) + exp(-x)) / 2;
  }
});
},{"./_export":38}],162:[function(require,module,exports){
// 20.2.2.14 Math.expm1(x)
var $export = require('./_export')
  , $expm1  = require('./_math-expm1');

$export($export.S + $export.F * ($expm1 != Math.expm1), 'Math', {expm1: $expm1});
},{"./_export":38,"./_math-expm1":65}],163:[function(require,module,exports){
// 20.2.2.16 Math.fround(x)
var $export   = require('./_export')
  , sign      = require('./_math-sign')
  , pow       = Math.pow
  , EPSILON   = pow(2, -52)
  , EPSILON32 = pow(2, -23)
  , MAX32     = pow(2, 127) * (2 - EPSILON32)
  , MIN32     = pow(2, -126);

var roundTiesToEven = function(n){
  return n + 1 / EPSILON - 1 / EPSILON;
};


$export($export.S, 'Math', {
  fround: function fround(x){
    var $abs  = Math.abs(x)
      , $sign = sign(x)
      , a, result;
    if($abs < MIN32)return $sign * roundTiesToEven($abs / MIN32 / EPSILON32) * MIN32 * EPSILON32;
    a = (1 + EPSILON32 / EPSILON) * $abs;
    result = a - (a - $abs);
    if(result > MAX32 || result != result)return $sign * Infinity;
    return $sign * result;
  }
});
},{"./_export":38,"./_math-sign":67}],164:[function(require,module,exports){
// 20.2.2.17 Math.hypot([value1[, value2[, … ]]])
var $export = require('./_export')
  , abs     = Math.abs;

$export($export.S, 'Math', {
  hypot: function hypot(value1, value2){ // eslint-disable-line no-unused-vars
    var sum  = 0
      , i    = 0
      , aLen = arguments.length
      , larg = 0
      , arg, div;
    while(i < aLen){
      arg = abs(arguments[i++]);
      if(larg < arg){
        div  = larg / arg;
        sum  = sum * div * div + 1;
        larg = arg;
      } else if(arg > 0){
        div  = arg / larg;
        sum += div * div;
      } else sum += arg;
    }
    return larg === Infinity ? Infinity : larg * Math.sqrt(sum);
  }
});
},{"./_export":38}],165:[function(require,module,exports){
// 20.2.2.18 Math.imul(x, y)
var $export = require('./_export')
  , $imul   = Math.imul;

// some WebKit versions fails with big numbers, some has wrong arity
$export($export.S + $export.F * require('./_fails')(function(){
  return $imul(0xffffffff, 5) != -5 || $imul.length != 2;
}), 'Math', {
  imul: function imul(x, y){
    var UINT16 = 0xffff
      , xn = +x
      , yn = +y
      , xl = UINT16 & xn
      , yl = UINT16 & yn;
    return 0 | xl * yl + ((UINT16 & xn >>> 16) * yl + xl * (UINT16 & yn >>> 16) << 16 >>> 0);
  }
});
},{"./_export":38,"./_fails":40}],166:[function(require,module,exports){
// 20.2.2.21 Math.log10(x)
var $export = require('./_export');

$export($export.S, 'Math', {
  log10: function log10(x){
    return Math.log(x) / Math.LN10;
  }
});
},{"./_export":38}],167:[function(require,module,exports){
// 20.2.2.20 Math.log1p(x)
var $export = require('./_export');

$export($export.S, 'Math', {log1p: require('./_math-log1p')});
},{"./_export":38,"./_math-log1p":66}],168:[function(require,module,exports){
// 20.2.2.22 Math.log2(x)
var $export = require('./_export');

$export($export.S, 'Math', {
  log2: function log2(x){
    return Math.log(x) / Math.LN2;
  }
});
},{"./_export":38}],169:[function(require,module,exports){
// 20.2.2.28 Math.sign(x)
var $export = require('./_export');

$export($export.S, 'Math', {sign: require('./_math-sign')});
},{"./_export":38,"./_math-sign":67}],170:[function(require,module,exports){
// 20.2.2.30 Math.sinh(x)
var $export = require('./_export')
  , expm1   = require('./_math-expm1')
  , exp     = Math.exp;

// V8 near Chromium 38 has a problem with very small numbers
$export($export.S + $export.F * require('./_fails')(function(){
  return !Math.sinh(-2e-17) != -2e-17;
}), 'Math', {
  sinh: function sinh(x){
    return Math.abs(x = +x) < 1
      ? (expm1(x) - expm1(-x)) / 2
      : (exp(x - 1) - exp(-x - 1)) * (Math.E / 2);
  }
});
},{"./_export":38,"./_fails":40,"./_math-expm1":65}],171:[function(require,module,exports){
// 20.2.2.33 Math.tanh(x)
var $export = require('./_export')
  , expm1   = require('./_math-expm1')
  , exp     = Math.exp;

$export($export.S, 'Math', {
  tanh: function tanh(x){
    var a = expm1(x = +x)
      , b = expm1(-x);
    return a == Infinity ? 1 : b == Infinity ? -1 : (a - b) / (exp(x) + exp(-x));
  }
});
},{"./_export":38,"./_math-expm1":65}],172:[function(require,module,exports){
// 20.2.2.34 Math.trunc(x)
var $export = require('./_export');

$export($export.S, 'Math', {
  trunc: function trunc(it){
    return (it > 0 ? Math.floor : Math.ceil)(it);
  }
});
},{"./_export":38}],173:[function(require,module,exports){
'use strict';
var global            = require('./_global')
  , has               = require('./_has')
  , cof               = require('./_cof')
  , inheritIfRequired = require('./_inherit-if-required')
  , toPrimitive       = require('./_to-primitive')
  , fails             = require('./_fails')
  , gOPN              = require('./_object-gopn').f
  , gOPD              = require('./_object-gopd').f
  , dP                = require('./_object-dp').f
  , $trim             = require('./_string-trim').trim
  , NUMBER            = 'Number'
  , $Number           = global[NUMBER]
  , Base              = $Number
  , proto             = $Number.prototype
  // Opera ~12 has broken Object#toString
  , BROKEN_COF        = cof(require('./_object-create')(proto)) == NUMBER
  , TRIM              = 'trim' in String.prototype;

// 7.1.3 ToNumber(argument)
var toNumber = function(argument){
  var it = toPrimitive(argument, false);
  if(typeof it == 'string' && it.length > 2){
    it = TRIM ? it.trim() : $trim(it, 3);
    var first = it.charCodeAt(0)
      , third, radix, maxCode;
    if(first === 43 || first === 45){
      third = it.charCodeAt(2);
      if(third === 88 || third === 120)return NaN; // Number('+0x1') should be NaN, old V8 fix
    } else if(first === 48){
      switch(it.charCodeAt(1)){
        case 66 : case 98  : radix = 2; maxCode = 49; break; // fast equal /^0b[01]+$/i
        case 79 : case 111 : radix = 8; maxCode = 55; break; // fast equal /^0o[0-7]+$/i
        default : return +it;
      }
      for(var digits = it.slice(2), i = 0, l = digits.length, code; i < l; i++){
        code = digits.charCodeAt(i);
        // parseInt parses a string to a first unavailable symbol
        // but ToNumber should return NaN if a string contains unavailable symbols
        if(code < 48 || code > maxCode)return NaN;
      } return parseInt(digits, radix);
    }
  } return +it;
};

if(!$Number(' 0o1') || !$Number('0b1') || $Number('+0x1')){
  $Number = function Number(value){
    var it = arguments.length < 1 ? 0 : value
      , that = this;
    return that instanceof $Number
      // check on 1..constructor(foo) case
      && (BROKEN_COF ? fails(function(){ proto.valueOf.call(that); }) : cof(that) != NUMBER)
        ? inheritIfRequired(new Base(toNumber(it)), that, $Number) : toNumber(it);
  };
  for(var keys = require('./_descriptors') ? gOPN(Base) : (
    // ES3:
    'MAX_VALUE,MIN_VALUE,NaN,NEGATIVE_INFINITY,POSITIVE_INFINITY,' +
    // ES6 (in case, if modules with ES6 Number statics required before):
    'EPSILON,isFinite,isInteger,isNaN,isSafeInteger,MAX_SAFE_INTEGER,' +
    'MIN_SAFE_INTEGER,parseFloat,parseInt,isInteger'
  ).split(','), j = 0, key; keys.length > j; j++){
    if(has(Base, key = keys[j]) && !has($Number, key)){
      dP($Number, key, gOPD(Base, key));
    }
  }
  $Number.prototype = proto;
  proto.constructor = $Number;
  require('./_redefine')(global, NUMBER, $Number);
}
},{"./_cof":24,"./_descriptors":34,"./_fails":40,"./_global":44,"./_has":45,"./_inherit-if-required":49,"./_object-create":72,"./_object-dp":73,"./_object-gopd":76,"./_object-gopn":78,"./_redefine":93,"./_string-trim":108,"./_to-primitive":116}],174:[function(require,module,exports){
// 20.1.2.1 Number.EPSILON
var $export = require('./_export');

$export($export.S, 'Number', {EPSILON: Math.pow(2, -52)});
},{"./_export":38}],175:[function(require,module,exports){
// 20.1.2.2 Number.isFinite(number)
var $export   = require('./_export')
  , _isFinite = require('./_global').isFinite;

$export($export.S, 'Number', {
  isFinite: function isFinite(it){
    return typeof it == 'number' && _isFinite(it);
  }
});
},{"./_export":38,"./_global":44}],176:[function(require,module,exports){
// 20.1.2.3 Number.isInteger(number)
var $export = require('./_export');

$export($export.S, 'Number', {isInteger: require('./_is-integer')});
},{"./_export":38,"./_is-integer":54}],177:[function(require,module,exports){
// 20.1.2.4 Number.isNaN(number)
var $export = require('./_export');

$export($export.S, 'Number', {
  isNaN: function isNaN(number){
    return number != number;
  }
});
},{"./_export":38}],178:[function(require,module,exports){
// 20.1.2.5 Number.isSafeInteger(number)
var $export   = require('./_export')
  , isInteger = require('./_is-integer')
  , abs       = Math.abs;

$export($export.S, 'Number', {
  isSafeInteger: function isSafeInteger(number){
    return isInteger(number) && abs(number) <= 0x1fffffffffffff;
  }
});
},{"./_export":38,"./_is-integer":54}],179:[function(require,module,exports){
// 20.1.2.6 Number.MAX_SAFE_INTEGER
var $export = require('./_export');

$export($export.S, 'Number', {MAX_SAFE_INTEGER: 0x1fffffffffffff});
},{"./_export":38}],180:[function(require,module,exports){
// 20.1.2.10 Number.MIN_SAFE_INTEGER
var $export = require('./_export');

$export($export.S, 'Number', {MIN_SAFE_INTEGER: -0x1fffffffffffff});
},{"./_export":38}],181:[function(require,module,exports){
var $export     = require('./_export')
  , $parseFloat = require('./_parse-float');
// 20.1.2.12 Number.parseFloat(string)
$export($export.S + $export.F * (Number.parseFloat != $parseFloat), 'Number', {parseFloat: $parseFloat});
},{"./_export":38,"./_parse-float":87}],182:[function(require,module,exports){
var $export   = require('./_export')
  , $parseInt = require('./_parse-int');
// 20.1.2.13 Number.parseInt(string, radix)
$export($export.S + $export.F * (Number.parseInt != $parseInt), 'Number', {parseInt: $parseInt});
},{"./_export":38,"./_parse-int":88}],183:[function(require,module,exports){
'use strict';
var $export      = require('./_export')
  , toInteger    = require('./_to-integer')
  , aNumberValue = require('./_a-number-value')
  , repeat       = require('./_string-repeat')
  , $toFixed     = 1..toFixed
  , floor        = Math.floor
  , data         = [0, 0, 0, 0, 0, 0]
  , ERROR        = 'Number.toFixed: incorrect invocation!'
  , ZERO         = '0';

var multiply = function(n, c){
  var i  = -1
    , c2 = c;
  while(++i < 6){
    c2 += n * data[i];
    data[i] = c2 % 1e7;
    c2 = floor(c2 / 1e7);
  }
};
var divide = function(n){
  var i = 6
    , c = 0;
  while(--i >= 0){
    c += data[i];
    data[i] = floor(c / n);
    c = (c % n) * 1e7;
  }
};
var numToString = function(){
  var i = 6
    , s = '';
  while(--i >= 0){
    if(s !== '' || i === 0 || data[i] !== 0){
      var t = String(data[i]);
      s = s === '' ? t : s + repeat.call(ZERO, 7 - t.length) + t;
    }
  } return s;
};
var pow = function(x, n, acc){
  return n === 0 ? acc : n % 2 === 1 ? pow(x, n - 1, acc * x) : pow(x * x, n / 2, acc);
};
var log = function(x){
  var n  = 0
    , x2 = x;
  while(x2 >= 4096){
    n += 12;
    x2 /= 4096;
  }
  while(x2 >= 2){
    n  += 1;
    x2 /= 2;
  } return n;
};

$export($export.P + $export.F * (!!$toFixed && (
  0.00008.toFixed(3) !== '0.000' ||
  0.9.toFixed(0) !== '1' ||
  1.255.toFixed(2) !== '1.25' ||
  1000000000000000128..toFixed(0) !== '1000000000000000128'
) || !require('./_fails')(function(){
  // V8 ~ Android 4.3-
  $toFixed.call({});
})), 'Number', {
  toFixed: function toFixed(fractionDigits){
    var x = aNumberValue(this, ERROR)
      , f = toInteger(fractionDigits)
      , s = ''
      , m = ZERO
      , e, z, j, k;
    if(f < 0 || f > 20)throw RangeError(ERROR);
    if(x != x)return 'NaN';
    if(x <= -1e21 || x >= 1e21)return String(x);
    if(x < 0){
      s = '-';
      x = -x;
    }
    if(x > 1e-21){
      e = log(x * pow(2, 69, 1)) - 69;
      z = e < 0 ? x * pow(2, -e, 1) : x / pow(2, e, 1);
      z *= 0x10000000000000;
      e = 52 - e;
      if(e > 0){
        multiply(0, z);
        j = f;
        while(j >= 7){
          multiply(1e7, 0);
          j -= 7;
        }
        multiply(pow(10, j, 1), 0);
        j = e - 1;
        while(j >= 23){
          divide(1 << 23);
          j -= 23;
        }
        divide(1 << j);
        multiply(1, 1);
        divide(2);
        m = numToString();
      } else {
        multiply(0, z);
        multiply(1 << -e, 0);
        m = numToString() + repeat.call(ZERO, f);
      }
    }
    if(f > 0){
      k = m.length;
      m = s + (k <= f ? '0.' + repeat.call(ZERO, f - k) + m : m.slice(0, k - f) + '.' + m.slice(k - f));
    } else {
      m = s + m;
    } return m;
  }
});
},{"./_a-number-value":10,"./_export":38,"./_fails":40,"./_string-repeat":107,"./_to-integer":112}],184:[function(require,module,exports){
'use strict';
var $export      = require('./_export')
  , $fails       = require('./_fails')
  , aNumberValue = require('./_a-number-value')
  , $toPrecision = 1..toPrecision;

$export($export.P + $export.F * ($fails(function(){
  // IE7-
  return $toPrecision.call(1, undefined) !== '1';
}) || !$fails(function(){
  // V8 ~ Android 4.3-
  $toPrecision.call({});
})), 'Number', {
  toPrecision: function toPrecision(precision){
    var that = aNumberValue(this, 'Number#toPrecision: incorrect invocation!');
    return precision === undefined ? $toPrecision.call(that) : $toPrecision.call(that, precision); 
  }
});
},{"./_a-number-value":10,"./_export":38,"./_fails":40}],185:[function(require,module,exports){
// 19.1.3.1 Object.assign(target, source)
var $export = require('./_export');

$export($export.S + $export.F, 'Object', {assign: require('./_object-assign')});
},{"./_export":38,"./_object-assign":71}],186:[function(require,module,exports){
var $export = require('./_export')
// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])
$export($export.S, 'Object', {create: require('./_object-create')});
},{"./_export":38,"./_object-create":72}],187:[function(require,module,exports){
var $export = require('./_export');
// 19.1.2.3 / 15.2.3.7 Object.defineProperties(O, Properties)
$export($export.S + $export.F * !require('./_descriptors'), 'Object', {defineProperties: require('./_object-dps')});
},{"./_descriptors":34,"./_export":38,"./_object-dps":74}],188:[function(require,module,exports){
var $export = require('./_export');
// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)
$export($export.S + $export.F * !require('./_descriptors'), 'Object', {defineProperty: require('./_object-dp').f});
},{"./_descriptors":34,"./_export":38,"./_object-dp":73}],189:[function(require,module,exports){
// 19.1.2.5 Object.freeze(O)
var isObject = require('./_is-object')
  , meta     = require('./_meta').onFreeze;

require('./_object-sap')('freeze', function($freeze){
  return function freeze(it){
    return $freeze && isObject(it) ? $freeze(meta(it)) : it;
  };
});
},{"./_is-object":55,"./_meta":68,"./_object-sap":84}],190:[function(require,module,exports){
// 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)
var toIObject                 = require('./_to-iobject')
  , $getOwnPropertyDescriptor = require('./_object-gopd').f;

require('./_object-sap')('getOwnPropertyDescriptor', function(){
  return function getOwnPropertyDescriptor(it, key){
    return $getOwnPropertyDescriptor(toIObject(it), key);
  };
});
},{"./_object-gopd":76,"./_object-sap":84,"./_to-iobject":113}],191:[function(require,module,exports){
// 19.1.2.7 Object.getOwnPropertyNames(O)
require('./_object-sap')('getOwnPropertyNames', function(){
  return require('./_object-gopn-ext').f;
});
},{"./_object-gopn-ext":77,"./_object-sap":84}],192:[function(require,module,exports){
// 19.1.2.9 Object.getPrototypeOf(O)
var toObject        = require('./_to-object')
  , $getPrototypeOf = require('./_object-gpo');

require('./_object-sap')('getPrototypeOf', function(){
  return function getPrototypeOf(it){
    return $getPrototypeOf(toObject(it));
  };
});
},{"./_object-gpo":80,"./_object-sap":84,"./_to-object":115}],193:[function(require,module,exports){
// 19.1.2.11 Object.isExtensible(O)
var isObject = require('./_is-object');

require('./_object-sap')('isExtensible', function($isExtensible){
  return function isExtensible(it){
    return isObject(it) ? $isExtensible ? $isExtensible(it) : true : false;
  };
});
},{"./_is-object":55,"./_object-sap":84}],194:[function(require,module,exports){
// 19.1.2.12 Object.isFrozen(O)
var isObject = require('./_is-object');

require('./_object-sap')('isFrozen', function($isFrozen){
  return function isFrozen(it){
    return isObject(it) ? $isFrozen ? $isFrozen(it) : false : true;
  };
});
},{"./_is-object":55,"./_object-sap":84}],195:[function(require,module,exports){
// 19.1.2.13 Object.isSealed(O)
var isObject = require('./_is-object');

require('./_object-sap')('isSealed', function($isSealed){
  return function isSealed(it){
    return isObject(it) ? $isSealed ? $isSealed(it) : false : true;
  };
});
},{"./_is-object":55,"./_object-sap":84}],196:[function(require,module,exports){
// 19.1.3.10 Object.is(value1, value2)
var $export = require('./_export');
$export($export.S, 'Object', {is: require('./_same-value')});
},{"./_export":38,"./_same-value":95}],197:[function(require,module,exports){
// 19.1.2.14 Object.keys(O)
var toObject = require('./_to-object')
  , $keys    = require('./_object-keys');

require('./_object-sap')('keys', function(){
  return function keys(it){
    return $keys(toObject(it));
  };
});
},{"./_object-keys":82,"./_object-sap":84,"./_to-object":115}],198:[function(require,module,exports){
// 19.1.2.15 Object.preventExtensions(O)
var isObject = require('./_is-object')
  , meta     = require('./_meta').onFreeze;

require('./_object-sap')('preventExtensions', function($preventExtensions){
  return function preventExtensions(it){
    return $preventExtensions && isObject(it) ? $preventExtensions(meta(it)) : it;
  };
});
},{"./_is-object":55,"./_meta":68,"./_object-sap":84}],199:[function(require,module,exports){
// 19.1.2.17 Object.seal(O)
var isObject = require('./_is-object')
  , meta     = require('./_meta').onFreeze;

require('./_object-sap')('seal', function($seal){
  return function seal(it){
    return $seal && isObject(it) ? $seal(meta(it)) : it;
  };
});
},{"./_is-object":55,"./_meta":68,"./_object-sap":84}],200:[function(require,module,exports){
// 19.1.3.19 Object.setPrototypeOf(O, proto)
var $export = require('./_export');
$export($export.S, 'Object', {setPrototypeOf: require('./_set-proto').set});
},{"./_export":38,"./_set-proto":96}],201:[function(require,module,exports){
'use strict';
// 19.1.3.6 Object.prototype.toString()
var classof = require('./_classof')
  , test    = {};
test[require('./_wks')('toStringTag')] = 'z';
if(test + '' != '[object z]'){
  require('./_redefine')(Object.prototype, 'toString', function toString(){
    return '[object ' + classof(this) + ']';
  }, true);
}
},{"./_classof":23,"./_redefine":93,"./_wks":123}],202:[function(require,module,exports){
var $export     = require('./_export')
  , $parseFloat = require('./_parse-float');
// 18.2.4 parseFloat(string)
$export($export.G + $export.F * (parseFloat != $parseFloat), {parseFloat: $parseFloat});
},{"./_export":38,"./_parse-float":87}],203:[function(require,module,exports){
var $export   = require('./_export')
  , $parseInt = require('./_parse-int');
// 18.2.5 parseInt(string, radix)
$export($export.G + $export.F * (parseInt != $parseInt), {parseInt: $parseInt});
},{"./_export":38,"./_parse-int":88}],204:[function(require,module,exports){
'use strict';
var LIBRARY            = require('./_library')
  , global             = require('./_global')
  , ctx                = require('./_ctx')
  , classof            = require('./_classof')
  , $export            = require('./_export')
  , isObject           = require('./_is-object')
  , aFunction          = require('./_a-function')
  , anInstance         = require('./_an-instance')
  , forOf              = require('./_for-of')
  , speciesConstructor = require('./_species-constructor')
  , task               = require('./_task').set
  , microtask          = require('./_microtask')()
  , PROMISE            = 'Promise'
  , TypeError          = global.TypeError
  , process            = global.process
  , $Promise           = global[PROMISE]
  , process            = global.process
  , isNode             = classof(process) == 'process'
  , empty              = function(){ /* empty */ }
  , Internal, GenericPromiseCapability, Wrapper;

var USE_NATIVE = !!function(){
  try {
    // correct subclassing with @@species support
    var promise     = $Promise.resolve(1)
      , FakePromise = (promise.constructor = {})[require('./_wks')('species')] = function(exec){ exec(empty, empty); };
    // unhandled rejections tracking support, NodeJS Promise without it fails @@species test
    return (isNode || typeof PromiseRejectionEvent == 'function') && promise.then(empty) instanceof FakePromise;
  } catch(e){ /* empty */ }
}();

// helpers
var sameConstructor = function(a, b){
  // with library wrapper special case
  return a === b || a === $Promise && b === Wrapper;
};
var isThenable = function(it){
  var then;
  return isObject(it) && typeof (then = it.then) == 'function' ? then : false;
};
var newPromiseCapability = function(C){
  return sameConstructor($Promise, C)
    ? new PromiseCapability(C)
    : new GenericPromiseCapability(C);
};
var PromiseCapability = GenericPromiseCapability = function(C){
  var resolve, reject;
  this.promise = new C(function($$resolve, $$reject){
    if(resolve !== undefined || reject !== undefined)throw TypeError('Bad Promise constructor');
    resolve = $$resolve;
    reject  = $$reject;
  });
  this.resolve = aFunction(resolve);
  this.reject  = aFunction(reject);
};
var perform = function(exec){
  try {
    exec();
  } catch(e){
    return {error: e};
  }
};
var notify = function(promise, isReject){
  if(promise._n)return;
  promise._n = true;
  var chain = promise._c;
  microtask(function(){
    var value = promise._v
      , ok    = promise._s == 1
      , i     = 0;
    var run = function(reaction){
      var handler = ok ? reaction.ok : reaction.fail
        , resolve = reaction.resolve
        , reject  = reaction.reject
        , domain  = reaction.domain
        , result, then;
      try {
        if(handler){
          if(!ok){
            if(promise._h == 2)onHandleUnhandled(promise);
            promise._h = 1;
          }
          if(handler === true)result = value;
          else {
            if(domain)domain.enter();
            result = handler(value);
            if(domain)domain.exit();
          }
          if(result === reaction.promise){
            reject(TypeError('Promise-chain cycle'));
          } else if(then = isThenable(result)){
            then.call(result, resolve, reject);
          } else resolve(result);
        } else reject(value);
      } catch(e){
        reject(e);
      }
    };
    while(chain.length > i)run(chain[i++]); // variable length - can't use forEach
    promise._c = [];
    promise._n = false;
    if(isReject && !promise._h)onUnhandled(promise);
  });
};
var onUnhandled = function(promise){
  task.call(global, function(){
    var value = promise._v
      , abrupt, handler, console;
    if(isUnhandled(promise)){
      abrupt = perform(function(){
        if(isNode){
          process.emit('unhandledRejection', value, promise);
        } else if(handler = global.onunhandledrejection){
          handler({promise: promise, reason: value});
        } else if((console = global.console) && console.error){
          console.error('Unhandled promise rejection', value);
        }
      });
      // Browsers should not trigger `rejectionHandled` event if it was handled here, NodeJS - should
      promise._h = isNode || isUnhandled(promise) ? 2 : 1;
    } promise._a = undefined;
    if(abrupt)throw abrupt.error;
  });
};
var isUnhandled = function(promise){
  if(promise._h == 1)return false;
  var chain = promise._a || promise._c
    , i     = 0
    , reaction;
  while(chain.length > i){
    reaction = chain[i++];
    if(reaction.fail || !isUnhandled(reaction.promise))return false;
  } return true;
};
var onHandleUnhandled = function(promise){
  task.call(global, function(){
    var handler;
    if(isNode){
      process.emit('rejectionHandled', promise);
    } else if(handler = global.onrejectionhandled){
      handler({promise: promise, reason: promise._v});
    }
  });
};
var $reject = function(value){
  var promise = this;
  if(promise._d)return;
  promise._d = true;
  promise = promise._w || promise; // unwrap
  promise._v = value;
  promise._s = 2;
  if(!promise._a)promise._a = promise._c.slice();
  notify(promise, true);
};
var $resolve = function(value){
  var promise = this
    , then;
  if(promise._d)return;
  promise._d = true;
  promise = promise._w || promise; // unwrap
  try {
    if(promise === value)throw TypeError("Promise can't be resolved itself");
    if(then = isThenable(value)){
      microtask(function(){
        var wrapper = {_w: promise, _d: false}; // wrap
        try {
          then.call(value, ctx($resolve, wrapper, 1), ctx($reject, wrapper, 1));
        } catch(e){
          $reject.call(wrapper, e);
        }
      });
    } else {
      promise._v = value;
      promise._s = 1;
      notify(promise, false);
    }
  } catch(e){
    $reject.call({_w: promise, _d: false}, e); // wrap
  }
};

// constructor polyfill
if(!USE_NATIVE){
  // 25.4.3.1 Promise(executor)
  $Promise = function Promise(executor){
    anInstance(this, $Promise, PROMISE, '_h');
    aFunction(executor);
    Internal.call(this);
    try {
      executor(ctx($resolve, this, 1), ctx($reject, this, 1));
    } catch(err){
      $reject.call(this, err);
    }
  };
  Internal = function Promise(executor){
    this._c = [];             // <- awaiting reactions
    this._a = undefined;      // <- checked in isUnhandled reactions
    this._s = 0;              // <- state
    this._d = false;          // <- done
    this._v = undefined;      // <- value
    this._h = 0;              // <- rejection state, 0 - default, 1 - handled, 2 - unhandled
    this._n = false;          // <- notify
  };
  Internal.prototype = require('./_redefine-all')($Promise.prototype, {
    // 25.4.5.3 Promise.prototype.then(onFulfilled, onRejected)
    then: function then(onFulfilled, onRejected){
      var reaction    = newPromiseCapability(speciesConstructor(this, $Promise));
      reaction.ok     = typeof onFulfilled == 'function' ? onFulfilled : true;
      reaction.fail   = typeof onRejected == 'function' && onRejected;
      reaction.domain = isNode ? process.domain : undefined;
      this._c.push(reaction);
      if(this._a)this._a.push(reaction);
      if(this._s)notify(this, false);
      return reaction.promise;
    },
    // 25.4.5.1 Promise.prototype.catch(onRejected)
    'catch': function(onRejected){
      return this.then(undefined, onRejected);
    }
  });
  PromiseCapability = function(){
    var promise  = new Internal;
    this.promise = promise;
    this.resolve = ctx($resolve, promise, 1);
    this.reject  = ctx($reject, promise, 1);
  };
}

$export($export.G + $export.W + $export.F * !USE_NATIVE, {Promise: $Promise});
require('./_set-to-string-tag')($Promise, PROMISE);
require('./_set-species')(PROMISE);
Wrapper = require('./_core')[PROMISE];

// statics
$export($export.S + $export.F * !USE_NATIVE, PROMISE, {
  // 25.4.4.5 Promise.reject(r)
  reject: function reject(r){
    var capability = newPromiseCapability(this)
      , $$reject   = capability.reject;
    $$reject(r);
    return capability.promise;
  }
});
$export($export.S + $export.F * (LIBRARY || !USE_NATIVE), PROMISE, {
  // 25.4.4.6 Promise.resolve(x)
  resolve: function resolve(x){
    // instanceof instead of internal slot check because we should fix it without replacement native Promise core
    if(x instanceof $Promise && sameConstructor(x.constructor, this))return x;
    var capability = newPromiseCapability(this)
      , $$resolve  = capability.resolve;
    $$resolve(x);
    return capability.promise;
  }
});
$export($export.S + $export.F * !(USE_NATIVE && require('./_iter-detect')(function(iter){
  $Promise.all(iter)['catch'](empty);
})), PROMISE, {
  // 25.4.4.1 Promise.all(iterable)
  all: function all(iterable){
    var C          = this
      , capability = newPromiseCapability(C)
      , resolve    = capability.resolve
      , reject     = capability.reject;
    var abrupt = perform(function(){
      var values    = []
        , index     = 0
        , remaining = 1;
      forOf(iterable, false, function(promise){
        var $index        = index++
          , alreadyCalled = false;
        values.push(undefined);
        remaining++;
        C.resolve(promise).then(function(value){
          if(alreadyCalled)return;
          alreadyCalled  = true;
          values[$index] = value;
          --remaining || resolve(values);
        }, reject);
      });
      --remaining || resolve(values);
    });
    if(abrupt)reject(abrupt.error);
    return capability.promise;
  },
  // 25.4.4.4 Promise.race(iterable)
  race: function race(iterable){
    var C          = this
      , capability = newPromiseCapability(C)
      , reject     = capability.reject;
    var abrupt = perform(function(){
      forOf(iterable, false, function(promise){
        C.resolve(promise).then(capability.resolve, reject);
      });
    });
    if(abrupt)reject(abrupt.error);
    return capability.promise;
  }
});
},{"./_a-function":9,"./_an-instance":12,"./_classof":23,"./_core":29,"./_ctx":31,"./_export":38,"./_for-of":43,"./_global":44,"./_is-object":55,"./_iter-detect":60,"./_library":64,"./_microtask":70,"./_redefine-all":92,"./_set-species":97,"./_set-to-string-tag":98,"./_species-constructor":101,"./_task":110,"./_wks":123}],205:[function(require,module,exports){
// 26.1.1 Reflect.apply(target, thisArgument, argumentsList)
var $export   = require('./_export')
  , aFunction = require('./_a-function')
  , anObject  = require('./_an-object')
  , rApply    = (require('./_global').Reflect || {}).apply
  , fApply    = Function.apply;
// MS Edge argumentsList argument is optional
$export($export.S + $export.F * !require('./_fails')(function(){
  rApply(function(){});
}), 'Reflect', {
  apply: function apply(target, thisArgument, argumentsList){
    var T = aFunction(target)
      , L = anObject(argumentsList);
    return rApply ? rApply(T, thisArgument, L) : fApply.call(T, thisArgument, L);
  }
});
},{"./_a-function":9,"./_an-object":13,"./_export":38,"./_fails":40,"./_global":44}],206:[function(require,module,exports){
// 26.1.2 Reflect.construct(target, argumentsList [, newTarget])
var $export    = require('./_export')
  , create     = require('./_object-create')
  , aFunction  = require('./_a-function')
  , anObject   = require('./_an-object')
  , isObject   = require('./_is-object')
  , fails      = require('./_fails')
  , bind       = require('./_bind')
  , rConstruct = (require('./_global').Reflect || {}).construct;

// MS Edge supports only 2 arguments and argumentsList argument is optional
// FF Nightly sets third argument as `new.target`, but does not create `this` from it
var NEW_TARGET_BUG = fails(function(){
  function F(){}
  return !(rConstruct(function(){}, [], F) instanceof F);
});
var ARGS_BUG = !fails(function(){
  rConstruct(function(){});
});

$export($export.S + $export.F * (NEW_TARGET_BUG || ARGS_BUG), 'Reflect', {
  construct: function construct(Target, args /*, newTarget*/){
    aFunction(Target);
    anObject(args);
    var newTarget = arguments.length < 3 ? Target : aFunction(arguments[2]);
    if(ARGS_BUG && !NEW_TARGET_BUG)return rConstruct(Target, args, newTarget);
    if(Target == newTarget){
      // w/o altered newTarget, optimization for 0-4 arguments
      switch(args.length){
        case 0: return new Target;
        case 1: return new Target(args[0]);
        case 2: return new Target(args[0], args[1]);
        case 3: return new Target(args[0], args[1], args[2]);
        case 4: return new Target(args[0], args[1], args[2], args[3]);
      }
      // w/o altered newTarget, lot of arguments case
      var $args = [null];
      $args.push.apply($args, args);
      return new (bind.apply(Target, $args));
    }
    // with altered newTarget, not support built-in constructors
    var proto    = newTarget.prototype
      , instance = create(isObject(proto) ? proto : Object.prototype)
      , result   = Function.apply.call(Target, instance, args);
    return isObject(result) ? result : instance;
  }
});
},{"./_a-function":9,"./_an-object":13,"./_bind":22,"./_export":38,"./_fails":40,"./_global":44,"./_is-object":55,"./_object-create":72}],207:[function(require,module,exports){
// 26.1.3 Reflect.defineProperty(target, propertyKey, attributes)
var dP          = require('./_object-dp')
  , $export     = require('./_export')
  , anObject    = require('./_an-object')
  , toPrimitive = require('./_to-primitive');

// MS Edge has broken Reflect.defineProperty - throwing instead of returning false
$export($export.S + $export.F * require('./_fails')(function(){
  Reflect.defineProperty(dP.f({}, 1, {value: 1}), 1, {value: 2});
}), 'Reflect', {
  defineProperty: function defineProperty(target, propertyKey, attributes){
    anObject(target);
    propertyKey = toPrimitive(propertyKey, true);
    anObject(attributes);
    try {
      dP.f(target, propertyKey, attributes);
      return true;
    } catch(e){
      return false;
    }
  }
});
},{"./_an-object":13,"./_export":38,"./_fails":40,"./_object-dp":73,"./_to-primitive":116}],208:[function(require,module,exports){
// 26.1.4 Reflect.deleteProperty(target, propertyKey)
var $export  = require('./_export')
  , gOPD     = require('./_object-gopd').f
  , anObject = require('./_an-object');

$export($export.S, 'Reflect', {
  deleteProperty: function deleteProperty(target, propertyKey){
    var desc = gOPD(anObject(target), propertyKey);
    return desc && !desc.configurable ? false : delete target[propertyKey];
  }
});
},{"./_an-object":13,"./_export":38,"./_object-gopd":76}],209:[function(require,module,exports){
'use strict';
// 26.1.5 Reflect.enumerate(target)
var $export  = require('./_export')
  , anObject = require('./_an-object');
var Enumerate = function(iterated){
  this._t = anObject(iterated); // target
  this._i = 0;                  // next index
  var keys = this._k = []       // keys
    , key;
  for(key in iterated)keys.push(key);
};
require('./_iter-create')(Enumerate, 'Object', function(){
  var that = this
    , keys = that._k
    , key;
  do {
    if(that._i >= keys.length)return {value: undefined, done: true};
  } while(!((key = keys[that._i++]) in that._t));
  return {value: key, done: false};
});

$export($export.S, 'Reflect', {
  enumerate: function enumerate(target){
    return new Enumerate(target);
  }
});
},{"./_an-object":13,"./_export":38,"./_iter-create":58}],210:[function(require,module,exports){
// 26.1.7 Reflect.getOwnPropertyDescriptor(target, propertyKey)
var gOPD     = require('./_object-gopd')
  , $export  = require('./_export')
  , anObject = require('./_an-object');

$export($export.S, 'Reflect', {
  getOwnPropertyDescriptor: function getOwnPropertyDescriptor(target, propertyKey){
    return gOPD.f(anObject(target), propertyKey);
  }
});
},{"./_an-object":13,"./_export":38,"./_object-gopd":76}],211:[function(require,module,exports){
// 26.1.8 Reflect.getPrototypeOf(target)
var $export  = require('./_export')
  , getProto = require('./_object-gpo')
  , anObject = require('./_an-object');

$export($export.S, 'Reflect', {
  getPrototypeOf: function getPrototypeOf(target){
    return getProto(anObject(target));
  }
});
},{"./_an-object":13,"./_export":38,"./_object-gpo":80}],212:[function(require,module,exports){
// 26.1.6 Reflect.get(target, propertyKey [, receiver])
var gOPD           = require('./_object-gopd')
  , getPrototypeOf = require('./_object-gpo')
  , has            = require('./_has')
  , $export        = require('./_export')
  , isObject       = require('./_is-object')
  , anObject       = require('./_an-object');

function get(target, propertyKey/*, receiver*/){
  var receiver = arguments.length < 3 ? target : arguments[2]
    , desc, proto;
  if(anObject(target) === receiver)return target[propertyKey];
  if(desc = gOPD.f(target, propertyKey))return has(desc, 'value')
    ? desc.value
    : desc.get !== undefined
      ? desc.get.call(receiver)
      : undefined;
  if(isObject(proto = getPrototypeOf(target)))return get(proto, propertyKey, receiver);
}

$export($export.S, 'Reflect', {get: get});
},{"./_an-object":13,"./_export":38,"./_has":45,"./_is-object":55,"./_object-gopd":76,"./_object-gpo":80}],213:[function(require,module,exports){
// 26.1.9 Reflect.has(target, propertyKey)
var $export = require('./_export');

$export($export.S, 'Reflect', {
  has: function has(target, propertyKey){
    return propertyKey in target;
  }
});
},{"./_export":38}],214:[function(require,module,exports){
// 26.1.10 Reflect.isExtensible(target)
var $export       = require('./_export')
  , anObject      = require('./_an-object')
  , $isExtensible = Object.isExtensible;

$export($export.S, 'Reflect', {
  isExtensible: function isExtensible(target){
    anObject(target);
    return $isExtensible ? $isExtensible(target) : true;
  }
});
},{"./_an-object":13,"./_export":38}],215:[function(require,module,exports){
// 26.1.11 Reflect.ownKeys(target)
var $export = require('./_export');

$export($export.S, 'Reflect', {ownKeys: require('./_own-keys')});
},{"./_export":38,"./_own-keys":86}],216:[function(require,module,exports){
// 26.1.12 Reflect.preventExtensions(target)
var $export            = require('./_export')
  , anObject           = require('./_an-object')
  , $preventExtensions = Object.preventExtensions;

$export($export.S, 'Reflect', {
  preventExtensions: function preventExtensions(target){
    anObject(target);
    try {
      if($preventExtensions)$preventExtensions(target);
      return true;
    } catch(e){
      return false;
    }
  }
});
},{"./_an-object":13,"./_export":38}],217:[function(require,module,exports){
// 26.1.14 Reflect.setPrototypeOf(target, proto)
var $export  = require('./_export')
  , setProto = require('./_set-proto');

if(setProto)$export($export.S, 'Reflect', {
  setPrototypeOf: function setPrototypeOf(target, proto){
    setProto.check(target, proto);
    try {
      setProto.set(target, proto);
      return true;
    } catch(e){
      return false;
    }
  }
});
},{"./_export":38,"./_set-proto":96}],218:[function(require,module,exports){
// 26.1.13 Reflect.set(target, propertyKey, V [, receiver])
var dP             = require('./_object-dp')
  , gOPD           = require('./_object-gopd')
  , getPrototypeOf = require('./_object-gpo')
  , has            = require('./_has')
  , $export        = require('./_export')
  , createDesc     = require('./_property-desc')
  , anObject       = require('./_an-object')
  , isObject       = require('./_is-object');

function set(target, propertyKey, V/*, receiver*/){
  var receiver = arguments.length < 4 ? target : arguments[3]
    , ownDesc  = gOPD.f(anObject(target), propertyKey)
    , existingDescriptor, proto;
  if(!ownDesc){
    if(isObject(proto = getPrototypeOf(target))){
      return set(proto, propertyKey, V, receiver);
    }
    ownDesc = createDesc(0);
  }
  if(has(ownDesc, 'value')){
    if(ownDesc.writable === false || !isObject(receiver))return false;
    existingDescriptor = gOPD.f(receiver, propertyKey) || createDesc(0);
    existingDescriptor.value = V;
    dP.f(receiver, propertyKey, existingDescriptor);
    return true;
  }
  return ownDesc.set === undefined ? false : (ownDesc.set.call(receiver, V), true);
}

$export($export.S, 'Reflect', {set: set});
},{"./_an-object":13,"./_export":38,"./_has":45,"./_is-object":55,"./_object-dp":73,"./_object-gopd":76,"./_object-gpo":80,"./_property-desc":91}],219:[function(require,module,exports){
var global            = require('./_global')
  , inheritIfRequired = require('./_inherit-if-required')
  , dP                = require('./_object-dp').f
  , gOPN              = require('./_object-gopn').f
  , isRegExp          = require('./_is-regexp')
  , $flags            = require('./_flags')
  , $RegExp           = global.RegExp
  , Base              = $RegExp
  , proto             = $RegExp.prototype
  , re1               = /a/g
  , re2               = /a/g
  // "new" creates a new object, old webkit buggy here
  , CORRECT_NEW       = new $RegExp(re1) !== re1;

if(require('./_descriptors') && (!CORRECT_NEW || require('./_fails')(function(){
  re2[require('./_wks')('match')] = false;
  // RegExp constructor can alter flags and IsRegExp works correct with @@match
  return $RegExp(re1) != re1 || $RegExp(re2) == re2 || $RegExp(re1, 'i') != '/a/i';
}))){
  $RegExp = function RegExp(p, f){
    var tiRE = this instanceof $RegExp
      , piRE = isRegExp(p)
      , fiU  = f === undefined;
    return !tiRE && piRE && p.constructor === $RegExp && fiU ? p
      : inheritIfRequired(CORRECT_NEW
        ? new Base(piRE && !fiU ? p.source : p, f)
        : Base((piRE = p instanceof $RegExp) ? p.source : p, piRE && fiU ? $flags.call(p) : f)
      , tiRE ? this : proto, $RegExp);
  };
  var proxy = function(key){
    key in $RegExp || dP($RegExp, key, {
      configurable: true,
      get: function(){ return Base[key]; },
      set: function(it){ Base[key] = it; }
    });
  };
  for(var keys = gOPN(Base), i = 0; keys.length > i; )proxy(keys[i++]);
  proto.constructor = $RegExp;
  $RegExp.prototype = proto;
  require('./_redefine')(global, 'RegExp', $RegExp);
}

require('./_set-species')('RegExp');
},{"./_descriptors":34,"./_fails":40,"./_flags":42,"./_global":44,"./_inherit-if-required":49,"./_is-regexp":56,"./_object-dp":73,"./_object-gopn":78,"./_redefine":93,"./_set-species":97,"./_wks":123}],220:[function(require,module,exports){
// 21.2.5.3 get RegExp.prototype.flags()
if(require('./_descriptors') && /./g.flags != 'g')require('./_object-dp').f(RegExp.prototype, 'flags', {
  configurable: true,
  get: require('./_flags')
});
},{"./_descriptors":34,"./_flags":42,"./_object-dp":73}],221:[function(require,module,exports){
// @@match logic
require('./_fix-re-wks')('match', 1, function(defined, MATCH, $match){
  // 21.1.3.11 String.prototype.match(regexp)
  return [function match(regexp){
    'use strict';
    var O  = defined(this)
      , fn = regexp == undefined ? undefined : regexp[MATCH];
    return fn !== undefined ? fn.call(regexp, O) : new RegExp(regexp)[MATCH](String(O));
  }, $match];
});
},{"./_fix-re-wks":41}],222:[function(require,module,exports){
// @@replace logic
require('./_fix-re-wks')('replace', 2, function(defined, REPLACE, $replace){
  // 21.1.3.14 String.prototype.replace(searchValue, replaceValue)
  return [function replace(searchValue, replaceValue){
    'use strict';
    var O  = defined(this)
      , fn = searchValue == undefined ? undefined : searchValue[REPLACE];
    return fn !== undefined
      ? fn.call(searchValue, O, replaceValue)
      : $replace.call(String(O), searchValue, replaceValue);
  }, $replace];
});
},{"./_fix-re-wks":41}],223:[function(require,module,exports){
// @@search logic
require('./_fix-re-wks')('search', 1, function(defined, SEARCH, $search){
  // 21.1.3.15 String.prototype.search(regexp)
  return [function search(regexp){
    'use strict';
    var O  = defined(this)
      , fn = regexp == undefined ? undefined : regexp[SEARCH];
    return fn !== undefined ? fn.call(regexp, O) : new RegExp(regexp)[SEARCH](String(O));
  }, $search];
});
},{"./_fix-re-wks":41}],224:[function(require,module,exports){
// @@split logic
require('./_fix-re-wks')('split', 2, function(defined, SPLIT, $split){
  'use strict';
  var isRegExp   = require('./_is-regexp')
    , _split     = $split
    , $push      = [].push
    , $SPLIT     = 'split'
    , LENGTH     = 'length'
    , LAST_INDEX = 'lastIndex';
  if(
    'abbc'[$SPLIT](/(b)*/)[1] == 'c' ||
    'test'[$SPLIT](/(?:)/, -1)[LENGTH] != 4 ||
    'ab'[$SPLIT](/(?:ab)*/)[LENGTH] != 2 ||
    '.'[$SPLIT](/(.?)(.?)/)[LENGTH] != 4 ||
    '.'[$SPLIT](/()()/)[LENGTH] > 1 ||
    ''[$SPLIT](/.?/)[LENGTH]
  ){
    var NPCG = /()??/.exec('')[1] === undefined; // nonparticipating capturing group
    // based on es5-shim implementation, need to rework it
    $split = function(separator, limit){
      var string = String(this);
      if(separator === undefined && limit === 0)return [];
      // If `separator` is not a regex, use native split
      if(!isRegExp(separator))return _split.call(string, separator, limit);
      var output = [];
      var flags = (separator.ignoreCase ? 'i' : '') +
                  (separator.multiline ? 'm' : '') +
                  (separator.unicode ? 'u' : '') +
                  (separator.sticky ? 'y' : '');
      var lastLastIndex = 0;
      var splitLimit = limit === undefined ? 4294967295 : limit >>> 0;
      // Make `global` and avoid `lastIndex` issues by working with a copy
      var separatorCopy = new RegExp(separator.source, flags + 'g');
      var separator2, match, lastIndex, lastLength, i;
      // Doesn't need flags gy, but they don't hurt
      if(!NPCG)separator2 = new RegExp('^' + separatorCopy.source + '$(?!\\s)', flags);
      while(match = separatorCopy.exec(string)){
        // `separatorCopy.lastIndex` is not reliable cross-browser
        lastIndex = match.index + match[0][LENGTH];
        if(lastIndex > lastLastIndex){
          output.push(string.slice(lastLastIndex, match.index));
          // Fix browsers whose `exec` methods don't consistently return `undefined` for NPCG
          if(!NPCG && match[LENGTH] > 1)match[0].replace(separator2, function(){
            for(i = 1; i < arguments[LENGTH] - 2; i++)if(arguments[i] === undefined)match[i] = undefined;
          });
          if(match[LENGTH] > 1 && match.index < string[LENGTH])$push.apply(output, match.slice(1));
          lastLength = match[0][LENGTH];
          lastLastIndex = lastIndex;
          if(output[LENGTH] >= splitLimit)break;
        }
        if(separatorCopy[LAST_INDEX] === match.index)separatorCopy[LAST_INDEX]++; // Avoid an infinite loop
      }
      if(lastLastIndex === string[LENGTH]){
        if(lastLength || !separatorCopy.test(''))output.push('');
      } else output.push(string.slice(lastLastIndex));
      return output[LENGTH] > splitLimit ? output.slice(0, splitLimit) : output;
    };
  // Chakra, V8
  } else if('0'[$SPLIT](undefined, 0)[LENGTH]){
    $split = function(separator, limit){
      return separator === undefined && limit === 0 ? [] : _split.call(this, separator, limit);
    };
  }
  // 21.1.3.17 String.prototype.split(separator, limit)
  return [function split(separator, limit){
    var O  = defined(this)
      , fn = separator == undefined ? undefined : separator[SPLIT];
    return fn !== undefined ? fn.call(separator, O, limit) : $split.call(String(O), separator, limit);
  }, $split];
});
},{"./_fix-re-wks":41,"./_is-regexp":56}],225:[function(require,module,exports){
'use strict';
require('./es6.regexp.flags');
var anObject    = require('./_an-object')
  , $flags      = require('./_flags')
  , DESCRIPTORS = require('./_descriptors')
  , TO_STRING   = 'toString'
  , $toString   = /./[TO_STRING];

var define = function(fn){
  require('./_redefine')(RegExp.prototype, TO_STRING, fn, true);
};

// 21.2.5.14 RegExp.prototype.toString()
if(require('./_fails')(function(){ return $toString.call({source: 'a', flags: 'b'}) != '/a/b'; })){
  define(function toString(){
    var R = anObject(this);
    return '/'.concat(R.source, '/',
      'flags' in R ? R.flags : !DESCRIPTORS && R instanceof RegExp ? $flags.call(R) : undefined);
  });
// FF44- RegExp#toString has a wrong name
} else if($toString.name != TO_STRING){
  define(function toString(){
    return $toString.call(this);
  });
}
},{"./_an-object":13,"./_descriptors":34,"./_fails":40,"./_flags":42,"./_redefine":93,"./es6.regexp.flags":220}],226:[function(require,module,exports){
'use strict';
var strong = require('./_collection-strong');

// 23.2 Set Objects
module.exports = require('./_collection')('Set', function(get){
  return function Set(){ return get(this, arguments.length > 0 ? arguments[0] : undefined); };
}, {
  // 23.2.3.1 Set.prototype.add(value)
  add: function add(value){
    return strong.def(this, value = value === 0 ? 0 : value, value);
  }
}, strong);
},{"./_collection":28,"./_collection-strong":25}],227:[function(require,module,exports){
'use strict';
// B.2.3.2 String.prototype.anchor(name)
require('./_string-html')('anchor', function(createHTML){
  return function anchor(name){
    return createHTML(this, 'a', 'name', name);
  }
});
},{"./_string-html":105}],228:[function(require,module,exports){
'use strict';
// B.2.3.3 String.prototype.big()
require('./_string-html')('big', function(createHTML){
  return function big(){
    return createHTML(this, 'big', '', '');
  }
});
},{"./_string-html":105}],229:[function(require,module,exports){
'use strict';
// B.2.3.4 String.prototype.blink()
require('./_string-html')('blink', function(createHTML){
  return function blink(){
    return createHTML(this, 'blink', '', '');
  }
});
},{"./_string-html":105}],230:[function(require,module,exports){
'use strict';
// B.2.3.5 String.prototype.bold()
require('./_string-html')('bold', function(createHTML){
  return function bold(){
    return createHTML(this, 'b', '', '');
  }
});
},{"./_string-html":105}],231:[function(require,module,exports){
'use strict';
var $export = require('./_export')
  , $at     = require('./_string-at')(false);
$export($export.P, 'String', {
  // 21.1.3.3 String.prototype.codePointAt(pos)
  codePointAt: function codePointAt(pos){
    return $at(this, pos);
  }
});
},{"./_export":38,"./_string-at":103}],232:[function(require,module,exports){
// 21.1.3.6 String.prototype.endsWith(searchString [, endPosition])
'use strict';
var $export   = require('./_export')
  , toLength  = require('./_to-length')
  , context   = require('./_string-context')
  , ENDS_WITH = 'endsWith'
  , $endsWith = ''[ENDS_WITH];

$export($export.P + $export.F * require('./_fails-is-regexp')(ENDS_WITH), 'String', {
  endsWith: function endsWith(searchString /*, endPosition = @length */){
    var that = context(this, searchString, ENDS_WITH)
      , endPosition = arguments.length > 1 ? arguments[1] : undefined
      , len    = toLength(that.length)
      , end    = endPosition === undefined ? len : Math.min(toLength(endPosition), len)
      , search = String(searchString);
    return $endsWith
      ? $endsWith.call(that, search, end)
      : that.slice(end - search.length, end) === search;
  }
});
},{"./_export":38,"./_fails-is-regexp":39,"./_string-context":104,"./_to-length":114}],233:[function(require,module,exports){
'use strict';
// B.2.3.6 String.prototype.fixed()
require('./_string-html')('fixed', function(createHTML){
  return function fixed(){
    return createHTML(this, 'tt', '', '');
  }
});
},{"./_string-html":105}],234:[function(require,module,exports){
'use strict';
// B.2.3.7 String.prototype.fontcolor(color)
require('./_string-html')('fontcolor', function(createHTML){
  return function fontcolor(color){
    return createHTML(this, 'font', 'color', color);
  }
});
},{"./_string-html":105}],235:[function(require,module,exports){
'use strict';
// B.2.3.8 String.prototype.fontsize(size)
require('./_string-html')('fontsize', function(createHTML){
  return function fontsize(size){
    return createHTML(this, 'font', 'size', size);
  }
});
},{"./_string-html":105}],236:[function(require,module,exports){
var $export        = require('./_export')
  , toIndex        = require('./_to-index')
  , fromCharCode   = String.fromCharCode
  , $fromCodePoint = String.fromCodePoint;

// length should be 1, old FF problem
$export($export.S + $export.F * (!!$fromCodePoint && $fromCodePoint.length != 1), 'String', {
  // 21.1.2.2 String.fromCodePoint(...codePoints)
  fromCodePoint: function fromCodePoint(x){ // eslint-disable-line no-unused-vars
    var res  = []
      , aLen = arguments.length
      , i    = 0
      , code;
    while(aLen > i){
      code = +arguments[i++];
      if(toIndex(code, 0x10ffff) !== code)throw RangeError(code + ' is not a valid code point');
      res.push(code < 0x10000
        ? fromCharCode(code)
        : fromCharCode(((code -= 0x10000) >> 10) + 0xd800, code % 0x400 + 0xdc00)
      );
    } return res.join('');
  }
});
},{"./_export":38,"./_to-index":111}],237:[function(require,module,exports){
// 21.1.3.7 String.prototype.includes(searchString, position = 0)
'use strict';
var $export  = require('./_export')
  , context  = require('./_string-context')
  , INCLUDES = 'includes';

$export($export.P + $export.F * require('./_fails-is-regexp')(INCLUDES), 'String', {
  includes: function includes(searchString /*, position = 0 */){
    return !!~context(this, searchString, INCLUDES)
      .indexOf(searchString, arguments.length > 1 ? arguments[1] : undefined);
  }
});
},{"./_export":38,"./_fails-is-regexp":39,"./_string-context":104}],238:[function(require,module,exports){
'use strict';
// B.2.3.9 String.prototype.italics()
require('./_string-html')('italics', function(createHTML){
  return function italics(){
    return createHTML(this, 'i', '', '');
  }
});
},{"./_string-html":105}],239:[function(require,module,exports){
'use strict';
var $at  = require('./_string-at')(true);

// 21.1.3.27 String.prototype[@@iterator]()
require('./_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
    , index = this._i
    , 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":59,"./_string-at":103}],240:[function(require,module,exports){
'use strict';
// B.2.3.10 String.prototype.link(url)
require('./_string-html')('link', function(createHTML){
  return function link(url){
    return createHTML(this, 'a', 'href', url);
  }
});
},{"./_string-html":105}],241:[function(require,module,exports){
var $export   = require('./_export')
  , toIObject = require('./_to-iobject')
  , toLength  = require('./_to-length');

$export($export.S, 'String', {
  // 21.1.2.4 String.raw(callSite, ...substitutions)
  raw: function raw(callSite){
    var tpl  = toIObject(callSite.raw)
      , len  = toLength(tpl.length)
      , aLen = arguments.length
      , res  = []
      , i    = 0;
    while(len > i){
      res.push(String(tpl[i++]));
      if(i < aLen)res.push(String(arguments[i]));
    } return res.join('');
  }
});
},{"./_export":38,"./_to-iobject":113,"./_to-length":114}],242:[function(require,module,exports){
var $export = require('./_export');

$export($export.P, 'String', {
  // 21.1.3.13 String.prototype.repeat(count)
  repeat: require('./_string-repeat')
});
},{"./_export":38,"./_string-repeat":107}],243:[function(require,module,exports){
'use strict';
// B.2.3.11 String.prototype.small()
require('./_string-html')('small', function(createHTML){
  return function small(){
    return createHTML(this, 'small', '', '');
  }
});
},{"./_string-html":105}],244:[function(require,module,exports){
// 21.1.3.18 String.prototype.startsWith(searchString [, position ])
'use strict';
var $export     = require('./_export')
  , toLength    = require('./_to-length')
  , context     = require('./_string-context')
  , STARTS_WITH = 'startsWith'
  , $startsWith = ''[STARTS_WITH];

$export($export.P + $export.F * require('./_fails-is-regexp')(STARTS_WITH), 'String', {
  startsWith: function startsWith(searchString /*, position = 0 */){
    var that   = context(this, searchString, STARTS_WITH)
      , index  = toLength(Math.min(arguments.length > 1 ? arguments[1] : undefined, that.length))
      , search = String(searchString);
    return $startsWith
      ? $startsWith.call(that, search, index)
      : that.slice(index, index + search.length) === search;
  }
});
},{"./_export":38,"./_fails-is-regexp":39,"./_string-context":104,"./_to-length":114}],245:[function(require,module,exports){
'use strict';
// B.2.3.12 String.prototype.strike()
require('./_string-html')('strike', function(createHTML){
  return function strike(){
    return createHTML(this, 'strike', '', '');
  }
});
},{"./_string-html":105}],246:[function(require,module,exports){
'use strict';
// B.2.3.13 String.prototype.sub()
require('./_string-html')('sub', function(createHTML){
  return function sub(){
    return createHTML(this, 'sub', '', '');
  }
});
},{"./_string-html":105}],247:[function(require,module,exports){
'use strict';
// B.2.3.14 String.prototype.sup()
require('./_string-html')('sup', function(createHTML){
  return function sup(){
    return createHTML(this, 'sup', '', '');
  }
});
},{"./_string-html":105}],248:[function(require,module,exports){
'use strict';
// 21.1.3.25 String.prototype.trim()
require('./_string-trim')('trim', function($trim){
  return function trim(){
    return $trim(this, 3);
  };
});
},{"./_string-trim":108}],249:[function(require,module,exports){
'use strict';
// ECMAScript 6 symbols shim
var global         = require('./_global')
  , has            = require('./_has')
  , DESCRIPTORS    = require('./_descriptors')
  , $export        = require('./_export')
  , redefine       = require('./_redefine')
  , META           = require('./_meta').KEY
  , $fails         = require('./_fails')
  , shared         = require('./_shared')
  , setToStringTag = require('./_set-to-string-tag')
  , uid            = require('./_uid')
  , wks            = require('./_wks')
  , wksExt         = require('./_wks-ext')
  , wksDefine      = require('./_wks-define')
  , keyOf          = require('./_keyof')
  , enumKeys       = require('./_enum-keys')
  , isArray        = require('./_is-array')
  , anObject       = require('./_an-object')
  , toIObject      = require('./_to-iobject')
  , toPrimitive    = require('./_to-primitive')
  , createDesc     = require('./_property-desc')
  , _create        = require('./_object-create')
  , gOPNExt        = require('./_object-gopn-ext')
  , $GOPD          = require('./_object-gopd')
  , $DP            = require('./_object-dp')
  , $keys          = require('./_object-keys')
  , gOPD           = $GOPD.f
  , dP             = $DP.f
  , gOPN           = gOPNExt.f
  , $Symbol        = global.Symbol
  , $JSON          = global.JSON
  , _stringify     = $JSON && $JSON.stringify
  , PROTOTYPE      = 'prototype'
  , HIDDEN         = wks('_hidden')
  , TO_PRIMITIVE   = wks('toPrimitive')
  , isEnum         = {}.propertyIsEnumerable
  , SymbolRegistry = shared('symbol-registry')
  , AllSymbols     = shared('symbols')
  , OPSymbols      = shared('op-symbols')
  , ObjectProto    = Object[PROTOTYPE]
  , USE_NATIVE     = typeof $Symbol == 'function'
  , QObject        = global.QObject;
// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173
var setter = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild;

// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687
var setSymbolDesc = DESCRIPTORS && $fails(function(){
  return _create(dP({}, 'a', {
    get: function(){ return dP(this, 'a', {value: 7}).a; }
  })).a != 7;
}) ? function(it, key, D){
  var protoDesc = gOPD(ObjectProto, key);
  if(protoDesc)delete ObjectProto[key];
  dP(it, key, D);
  if(protoDesc && it !== ObjectProto)dP(ObjectProto, key, protoDesc);
} : dP;

var wrap = function(tag){
  var sym = AllSymbols[tag] = _create($Symbol[PROTOTYPE]);
  sym._k = tag;
  return sym;
};

var isSymbol = USE_NATIVE && typeof $Symbol.iterator == 'symbol' ? function(it){
  return typeof it == 'symbol';
} : function(it){
  return it instanceof $Symbol;
};

var $defineProperty = function defineProperty(it, key, D){
  if(it === ObjectProto)$defineProperty(OPSymbols, key, D);
  anObject(it);
  key = toPrimitive(key, true);
  anObject(D);
  if(has(AllSymbols, key)){
    if(!D.enumerable){
      if(!has(it, HIDDEN))dP(it, HIDDEN, createDesc(1, {}));
      it[HIDDEN][key] = true;
    } else {
      if(has(it, HIDDEN) && it[HIDDEN][key])it[HIDDEN][key] = false;
      D = _create(D, {enumerable: createDesc(0, false)});
    } return setSymbolDesc(it, key, D);
  } return dP(it, key, D);
};
var $defineProperties = function defineProperties(it, P){
  anObject(it);
  var keys = enumKeys(P = toIObject(P))
    , i    = 0
    , l = keys.length
    , key;
  while(l > i)$defineProperty(it, key = keys[i++], P[key]);
  return it;
};
var $create = function create(it, P){
  return P === undefined ? _create(it) : $defineProperties(_create(it), P);
};
var $propertyIsEnumerable = function propertyIsEnumerable(key){
  var E = isEnum.call(this, key = toPrimitive(key, true));
  if(this === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key))return false;
  return E || !has(this, key) || !has(AllSymbols, key) || has(this, HIDDEN) && this[HIDDEN][key] ? E : true;
};
var $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(it, key){
  it  = toIObject(it);
  key = toPrimitive(key, true);
  if(it === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key))return;
  var D = gOPD(it, key);
  if(D && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key]))D.enumerable = true;
  return D;
};
var $getOwnPropertyNames = function getOwnPropertyNames(it){
  var names  = gOPN(toIObject(it))
    , result = []
    , i      = 0
    , key;
  while(names.length > i){
    if(!has(AllSymbols, key = names[i++]) && key != HIDDEN && key != META)result.push(key);
  } return result;
};
var $getOwnPropertySymbols = function getOwnPropertySymbols(it){
  var IS_OP  = it === ObjectProto
    , names  = gOPN(IS_OP ? OPSymbols : toIObject(it))
    , result = []
    , i      = 0
    , key;
  while(names.length > i){
    if(has(AllSymbols, key = names[i++]) && (IS_OP ? has(ObjectProto, key) : true))result.push(AllSymbols[key]);
  } return result;
};

// 19.4.1.1 Symbol([description])
if(!USE_NATIVE){
  $Symbol = function Symbol(){
    if(this instanceof $Symbol)throw TypeError('Symbol is not a constructor!');
    var tag = uid(arguments.length > 0 ? arguments[0] : undefined);
    var $set = function(value){
      if(this === ObjectProto)$set.call(OPSymbols, value);
      if(has(this, HIDDEN) && has(this[HIDDEN], tag))this[HIDDEN][tag] = false;
      setSymbolDesc(this, tag, createDesc(1, value));
    };
    if(DESCRIPTORS && setter)setSymbolDesc(ObjectProto, tag, {configurable: true, set: $set});
    return wrap(tag);
  };
  redefine($Symbol[PROTOTYPE], 'toString', function toString(){
    return this._k;
  });

  $GOPD.f = $getOwnPropertyDescriptor;
  $DP.f   = $defineProperty;
  require('./_object-gopn').f = gOPNExt.f = $getOwnPropertyNames;
  require('./_object-pie').f  = $propertyIsEnumerable;
  require('./_object-gops').f = $getOwnPropertySymbols;

  if(DESCRIPTORS && !require('./_library')){
    redefine(ObjectProto, 'propertyIsEnumerable', $propertyIsEnumerable, true);
  }

  wksExt.f = function(name){
    return wrap(wks(name));
  }
}

$export($export.G + $export.W + $export.F * !USE_NATIVE, {Symbol: $Symbol});

for(var symbols = (
  // 19.4.2.2, 19.4.2.3, 19.4.2.4, 19.4.2.6, 19.4.2.8, 19.4.2.9, 19.4.2.10, 19.4.2.11, 19.4.2.12, 19.4.2.13, 19.4.2.14
  'hasInstance,isConcatSpreadable,iterator,match,replace,search,species,split,toPrimitive,toStringTag,unscopables'
).split(','), i = 0; symbols.length > i; )wks(symbols[i++]);

for(var symbols = $keys(wks.store), i = 0; symbols.length > i; )wksDefine(symbols[i++]);

$export($export.S + $export.F * !USE_NATIVE, 'Symbol', {
  // 19.4.2.1 Symbol.for(key)
  'for': function(key){
    return has(SymbolRegistry, key += '')
      ? SymbolRegistry[key]
      : SymbolRegistry[key] = $Symbol(key);
  },
  // 19.4.2.5 Symbol.keyFor(sym)
  keyFor: function keyFor(key){
    if(isSymbol(key))return keyOf(SymbolRegistry, key);
    throw TypeError(key + ' is not a symbol!');
  },
  useSetter: function(){ setter = true; },
  useSimple: function(){ setter = false; }
});

$export($export.S + $export.F * !USE_NATIVE, 'Object', {
  // 19.1.2.2 Object.create(O [, Properties])
  create: $create,
  // 19.1.2.4 Object.defineProperty(O, P, Attributes)
  defineProperty: $defineProperty,
  // 19.1.2.3 Object.defineProperties(O, Properties)
  defineProperties: $defineProperties,
  // 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)
  getOwnPropertyDescriptor: $getOwnPropertyDescriptor,
  // 19.1.2.7 Object.getOwnPropertyNames(O)
  getOwnPropertyNames: $getOwnPropertyNames,
  // 19.1.2.8 Object.getOwnPropertySymbols(O)
  getOwnPropertySymbols: $getOwnPropertySymbols
});

// 24.3.2 JSON.stringify(value [, replacer [, space]])
$JSON && $export($export.S + $export.F * (!USE_NATIVE || $fails(function(){
  var S = $Symbol();
  // MS Edge converts symbol values to JSON as {}
  // WebKit converts symbol values to JSON as null
  // V8 throws on boxed symbols
  return _stringify([S]) != '[null]' || _stringify({a: S}) != '{}' || _stringify(Object(S)) != '{}';
})), 'JSON', {
  stringify: function stringify(it){
    if(it === undefined || isSymbol(it))return; // IE8 returns string on undefined
    var args = [it]
      , i    = 1
      , replacer, $replacer;
    while(arguments.length > i)args.push(arguments[i++]);
    replacer = args[1];
    if(typeof replacer == 'function')$replacer = replacer;
    if($replacer || !isArray(replacer))replacer = function(key, value){
      if($replacer)value = $replacer.call(this, key, value);
      if(!isSymbol(value))return value;
    };
    args[1] = replacer;
    return _stringify.apply($JSON, args);
  }
});

// 19.4.3.4 Symbol.prototype[@@toPrimitive](hint)
$Symbol[PROTOTYPE][TO_PRIMITIVE] || require('./_hide')($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);
// 19.4.3.5 Symbol.prototype[@@toStringTag]
setToStringTag($Symbol, 'Symbol');
// 20.2.1.9 Math[@@toStringTag]
setToStringTag(Math, 'Math', true);
// 24.3.3 JSON[@@toStringTag]
setToStringTag(global.JSON, 'JSON', true);
},{"./_an-object":13,"./_descriptors":34,"./_enum-keys":37,"./_export":38,"./_fails":40,"./_global":44,"./_has":45,"./_hide":46,"./_is-array":53,"./_keyof":63,"./_library":64,"./_meta":68,"./_object-create":72,"./_object-dp":73,"./_object-gopd":76,"./_object-gopn":78,"./_object-gopn-ext":77,"./_object-gops":79,"./_object-keys":82,"./_object-pie":83,"./_property-desc":91,"./_redefine":93,"./_set-to-string-tag":98,"./_shared":100,"./_to-iobject":113,"./_to-primitive":116,"./_uid":120,"./_wks":123,"./_wks-define":121,"./_wks-ext":122}],250:[function(require,module,exports){
'use strict';
var $export      = require('./_export')
  , $typed       = require('./_typed')
  , buffer       = require('./_typed-buffer')
  , anObject     = require('./_an-object')
  , toIndex      = require('./_to-index')
  , toLength     = require('./_to-length')
  , isObject     = require('./_is-object')
  , ArrayBuffer  = require('./_global').ArrayBuffer
  , speciesConstructor = require('./_species-constructor')
  , $ArrayBuffer = buffer.ArrayBuffer
  , $DataView    = buffer.DataView
  , $isView      = $typed.ABV && ArrayBuffer.isView
  , $slice       = $ArrayBuffer.prototype.slice
  , VIEW         = $typed.VIEW
  , ARRAY_BUFFER = 'ArrayBuffer';

$export($export.G + $export.W + $export.F * (ArrayBuffer !== $ArrayBuffer), {ArrayBuffer: $ArrayBuffer});

$export($export.S + $export.F * !$typed.CONSTR, ARRAY_BUFFER, {
  // 24.1.3.1 ArrayBuffer.isView(arg)
  isView: function isView(it){
    return $isView && $isView(it) || isObject(it) && VIEW in it;
  }
});

$export($export.P + $export.U + $export.F * require('./_fails')(function(){
  return !new $ArrayBuffer(2).slice(1, undefined).byteLength;
}), ARRAY_BUFFER, {
  // 24.1.4.3 ArrayBuffer.prototype.slice(start, end)
  slice: function slice(start, end){
    if($slice !== undefined && end === undefined)return $slice.call(anObject(this), start); // FF fix
    var len    = anObject(this).byteLength
      , first  = toIndex(start, len)
      , final  = toIndex(end === undefined ? len : end, len)
      , result = new (speciesConstructor(this, $ArrayBuffer))(toLength(final - first))
      , viewS  = new $DataView(this)
      , viewT  = new $DataView(result)
      , index  = 0;
    while(first < final){
      viewT.setUint8(index++, viewS.getUint8(first++));
    } return result;
  }
});

require('./_set-species')(ARRAY_BUFFER);
},{"./_an-object":13,"./_export":38,"./_fails":40,"./_global":44,"./_is-object":55,"./_set-species":97,"./_species-constructor":101,"./_to-index":111,"./_to-length":114,"./_typed":119,"./_typed-buffer":118}],251:[function(require,module,exports){
var $export = require('./_export');
$export($export.G + $export.W + $export.F * !require('./_typed').ABV, {
  DataView: require('./_typed-buffer').DataView
});
},{"./_export":38,"./_typed":119,"./_typed-buffer":118}],252:[function(require,module,exports){
require('./_typed-array')('Float32', 4, function(init){
  return function Float32Array(data, byteOffset, length){
    return init(this, data, byteOffset, length);
  };
});
},{"./_typed-array":117}],253:[function(require,module,exports){
require('./_typed-array')('Float64', 8, function(init){
  return function Float64Array(data, byteOffset, length){
    return init(this, data, byteOffset, length);
  };
});
},{"./_typed-array":117}],254:[function(require,module,exports){
require('./_typed-array')('Int16', 2, function(init){
  return function Int16Array(data, byteOffset, length){
    return init(this, data, byteOffset, length);
  };
});
},{"./_typed-array":117}],255:[function(require,module,exports){
require('./_typed-array')('Int32', 4, function(init){
  return function Int32Array(data, byteOffset, length){
    return init(this, data, byteOffset, length);
  };
});
},{"./_typed-array":117}],256:[function(require,module,exports){
require('./_typed-array')('Int8', 1, function(init){
  return function Int8Array(data, byteOffset, length){
    return init(this, data, byteOffset, length);
  };
});
},{"./_typed-array":117}],257:[function(require,module,exports){
require('./_typed-array')('Uint16', 2, function(init){
  return function Uint16Array(data, byteOffset, length){
    return init(this, data, byteOffset, length);
  };
});
},{"./_typed-array":117}],258:[function(require,module,exports){
require('./_typed-array')('Uint32', 4, function(init){
  return function Uint32Array(data, byteOffset, length){
    return init(this, data, byteOffset, length);
  };
});
},{"./_typed-array":117}],259:[function(require,module,exports){
require('./_typed-array')('Uint8', 1, function(init){
  return function Uint8Array(data, byteOffset, length){
    return init(this, data, byteOffset, length);
  };
});
},{"./_typed-array":117}],260:[function(require,module,exports){
require('./_typed-array')('Uint8', 1, function(init){
  return function Uint8ClampedArray(data, byteOffset, length){
    return init(this, data, byteOffset, length);
  };
}, true);
},{"./_typed-array":117}],261:[function(require,module,exports){
'use strict';
var each         = require('./_array-methods')(0)
  , redefine     = require('./_redefine')
  , meta         = require('./_meta')
  , assign       = require('./_object-assign')
  , weak         = require('./_collection-weak')
  , isObject     = require('./_is-object')
  , getWeak      = meta.getWeak
  , isExtensible = Object.isExtensible
  , uncaughtFrozenStore = weak.ufstore
  , tmp          = {}
  , InternalMap;

var wrapper = function(get){
  return function WeakMap(){
    return get(this, arguments.length > 0 ? arguments[0] : undefined);
  };
};

var methods = {
  // 23.3.3.3 WeakMap.prototype.get(key)
  get: function get(key){
    if(isObject(key)){
      var data = getWeak(key);
      if(data === true)return uncaughtFrozenStore(this).get(key);
      return data ? data[this._i] : undefined;
    }
  },
  // 23.3.3.5 WeakMap.prototype.set(key, value)
  set: function set(key, value){
    return weak.def(this, key, value);
  }
};

// 23.3 WeakMap Objects
var $WeakMap = module.exports = require('./_collection')('WeakMap', wrapper, methods, weak, true, true);

// IE11 WeakMap frozen keys fix
if(new $WeakMap().set((Object.freeze || Object)(tmp), 7).get(tmp) != 7){
  InternalMap = weak.getConstructor(wrapper);
  assign(InternalMap.prototype, methods);
  meta.NEED = true;
  each(['delete', 'has', 'get', 'set'], function(key){
    var proto  = $WeakMap.prototype
      , method = proto[key];
    redefine(proto, key, function(a, b){
      // store frozen objects on internal weakmap shim
      if(isObject(a) && !isExtensible(a)){
        if(!this._f)this._f = new InternalMap;
        var result = this._f[key](a, b);
        return key == 'set' ? this : result;
      // store all the rest on native weakmap
      } return method.call(this, a, b);
    });
  });
}
},{"./_array-methods":18,"./_collection":28,"./_collection-weak":27,"./_is-object":55,"./_meta":68,"./_object-assign":71,"./_redefine":93}],262:[function(require,module,exports){
'use strict';
var weak = require('./_collection-weak');

// 23.4 WeakSet Objects
require('./_collection')('WeakSet', function(get){
  return function WeakSet(){ return get(this, arguments.length > 0 ? arguments[0] : undefined); };
}, {
  // 23.4.3.1 WeakSet.prototype.add(value)
  add: function add(value){
    return weak.def(this, value, true);
  }
}, weak, false, true);
},{"./_collection":28,"./_collection-weak":27}],263:[function(require,module,exports){
'use strict';
// https://github.com/tc39/Array.prototype.includes
var $export   = require('./_export')
  , $includes = require('./_array-includes')(true);

$export($export.P, 'Array', {
  includes: function includes(el /*, fromIndex = 0 */){
    return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined);
  }
});

require('./_add-to-unscopables')('includes');
},{"./_add-to-unscopables":11,"./_array-includes":17,"./_export":38}],264:[function(require,module,exports){
// https://github.com/rwaldron/tc39-notes/blob/master/es6/2014-09/sept-25.md#510-globalasap-for-enqueuing-a-microtask
var $export   = require('./_export')
  , microtask = require('./_microtask')()
  , process   = require('./_global').process
  , isNode    = require('./_cof')(process) == 'process';

$export($export.G, {
  asap: function asap(fn){
    var domain = isNode && process.domain;
    microtask(domain ? domain.bind(fn) : fn);
  }
});
},{"./_cof":24,"./_export":38,"./_global":44,"./_microtask":70}],265:[function(require,module,exports){
// https://github.com/ljharb/proposal-is-error
var $export = require('./_export')
  , cof     = require('./_cof');

$export($export.S, 'Error', {
  isError: function isError(it){
    return cof(it) === 'Error';
  }
});
},{"./_cof":24,"./_export":38}],266:[function(require,module,exports){
// https://github.com/DavidBruant/Map-Set.prototype.toJSON
var $export  = require('./_export');

$export($export.P + $export.R, 'Map', {toJSON: require('./_collection-to-json')('Map')});
},{"./_collection-to-json":26,"./_export":38}],267:[function(require,module,exports){
// https://gist.github.com/BrendanEich/4294d5c212a6d2254703
var $export = require('./_export');

$export($export.S, 'Math', {
  iaddh: function iaddh(x0, x1, y0, y1){
    var $x0 = x0 >>> 0
      , $x1 = x1 >>> 0
      , $y0 = y0 >>> 0;
    return $x1 + (y1 >>> 0) + (($x0 & $y0 | ($x0 | $y0) & ~($x0 + $y0 >>> 0)) >>> 31) | 0;
  }
});
},{"./_export":38}],268:[function(require,module,exports){
// https://gist.github.com/BrendanEich/4294d5c212a6d2254703
var $export = require('./_export');

$export($export.S, 'Math', {
  imulh: function imulh(u, v){
    var UINT16 = 0xffff
      , $u = +u
      , $v = +v
      , u0 = $u & UINT16
      , v0 = $v & UINT16
      , u1 = $u >> 16
      , v1 = $v >> 16
      , t  = (u1 * v0 >>> 0) + (u0 * v0 >>> 16);
    return u1 * v1 + (t >> 16) + ((u0 * v1 >>> 0) + (t & UINT16) >> 16);
  }
});
},{"./_export":38}],269:[function(require,module,exports){
// https://gist.github.com/BrendanEich/4294d5c212a6d2254703
var $export = require('./_export');

$export($export.S, 'Math', {
  isubh: function isubh(x0, x1, y0, y1){
    var $x0 = x0 >>> 0
      , $x1 = x1 >>> 0
      , $y0 = y0 >>> 0;
    return $x1 - (y1 >>> 0) - ((~$x0 & $y0 | ~($x0 ^ $y0) & $x0 - $y0 >>> 0) >>> 31) | 0;
  }
});
},{"./_export":38}],270:[function(require,module,exports){
// https://gist.github.com/BrendanEich/4294d5c212a6d2254703
var $export = require('./_export');

$export($export.S, 'Math', {
  umulh: function umulh(u, v){
    var UINT16 = 0xffff
      , $u = +u
      , $v = +v
      , u0 = $u & UINT16
      , v0 = $v & UINT16
      , u1 = $u >>> 16
      , v1 = $v >>> 16
      , t  = (u1 * v0 >>> 0) + (u0 * v0 >>> 16);
    return u1 * v1 + (t >>> 16) + ((u0 * v1 >>> 0) + (t & UINT16) >>> 16);
  }
});
},{"./_export":38}],271:[function(require,module,exports){
'use strict';
var $export         = require('./_export')
  , toObject        = require('./_to-object')
  , aFunction       = require('./_a-function')
  , $defineProperty = require('./_object-dp');

// B.2.2.2 Object.prototype.__defineGetter__(P, getter)
require('./_descriptors') && $export($export.P + require('./_object-forced-pam'), 'Object', {
  __defineGetter__: function __defineGetter__(P, getter){
    $defineProperty.f(toObject(this), P, {get: aFunction(getter), enumerable: true, configurable: true});
  }
});
},{"./_a-function":9,"./_descriptors":34,"./_export":38,"./_object-dp":73,"./_object-forced-pam":75,"./_to-object":115}],272:[function(require,module,exports){
'use strict';
var $export         = require('./_export')
  , toObject        = require('./_to-object')
  , aFunction       = require('./_a-function')
  , $defineProperty = require('./_object-dp');

// B.2.2.3 Object.prototype.__defineSetter__(P, setter)
require('./_descriptors') && $export($export.P + require('./_object-forced-pam'), 'Object', {
  __defineSetter__: function __defineSetter__(P, setter){
    $defineProperty.f(toObject(this), P, {set: aFunction(setter), enumerable: true, configurable: true});
  }
});
},{"./_a-function":9,"./_descriptors":34,"./_export":38,"./_object-dp":73,"./_object-forced-pam":75,"./_to-object":115}],273:[function(require,module,exports){
// https://github.com/tc39/proposal-object-values-entries
var $export  = require('./_export')
  , $entries = require('./_object-to-array')(true);

$export($export.S, 'Object', {
  entries: function entries(it){
    return $entries(it);
  }
});
},{"./_export":38,"./_object-to-array":85}],274:[function(require,module,exports){
// https://github.com/tc39/proposal-object-getownpropertydescriptors
var $export        = require('./_export')
  , ownKeys        = require('./_own-keys')
  , toIObject      = require('./_to-iobject')
  , gOPD           = require('./_object-gopd')
  , createProperty = require('./_create-property');

$export($export.S, 'Object', {
  getOwnPropertyDescriptors: function getOwnPropertyDescriptors(object){
    var O       = toIObject(object)
      , getDesc = gOPD.f
      , keys    = ownKeys(O)
      , result  = {}
      , i       = 0
      , key;
    while(keys.length > i)createProperty(result, key = keys[i++], getDesc(O, key));
    return result;
  }
});
},{"./_create-property":30,"./_export":38,"./_object-gopd":76,"./_own-keys":86,"./_to-iobject":113}],275:[function(require,module,exports){
'use strict';
var $export                  = require('./_export')
  , toObject                 = require('./_to-object')
  , toPrimitive              = require('./_to-primitive')
  , getPrototypeOf           = require('./_object-gpo')
  , getOwnPropertyDescriptor = require('./_object-gopd').f;

// B.2.2.4 Object.prototype.__lookupGetter__(P)
require('./_descriptors') && $export($export.P + require('./_object-forced-pam'), 'Object', {
  __lookupGetter__: function __lookupGetter__(P){
    var O = toObject(this)
      , K = toPrimitive(P, true)
      , D;
    do {
      if(D = getOwnPropertyDescriptor(O, K))return D.get;
    } while(O = getPrototypeOf(O));
  }
});
},{"./_descriptors":34,"./_export":38,"./_object-forced-pam":75,"./_object-gopd":76,"./_object-gpo":80,"./_to-object":115,"./_to-primitive":116}],276:[function(require,module,exports){
'use strict';
var $export                  = require('./_export')
  , toObject                 = require('./_to-object')
  , toPrimitive              = require('./_to-primitive')
  , getPrototypeOf           = require('./_object-gpo')
  , getOwnPropertyDescriptor = require('./_object-gopd').f;

// B.2.2.5 Object.prototype.__lookupSetter__(P)
require('./_descriptors') && $export($export.P + require('./_object-forced-pam'), 'Object', {
  __lookupSetter__: function __lookupSetter__(P){
    var O = toObject(this)
      , K = toPrimitive(P, true)
      , D;
    do {
      if(D = getOwnPropertyDescriptor(O, K))return D.set;
    } while(O = getPrototypeOf(O));
  }
});
},{"./_descriptors":34,"./_export":38,"./_object-forced-pam":75,"./_object-gopd":76,"./_object-gpo":80,"./_to-object":115,"./_to-primitive":116}],277:[function(require,module,exports){
// https://github.com/tc39/proposal-object-values-entries
var $export = require('./_export')
  , $values = require('./_object-to-array')(false);

$export($export.S, 'Object', {
  values: function values(it){
    return $values(it);
  }
});
},{"./_export":38,"./_object-to-array":85}],278:[function(require,module,exports){
'use strict';
// https://github.com/zenparsing/es-observable
var $export     = require('./_export')
  , global      = require('./_global')
  , core        = require('./_core')
  , microtask   = require('./_microtask')()
  , OBSERVABLE  = require('./_wks')('observable')
  , aFunction   = require('./_a-function')
  , anObject    = require('./_an-object')
  , anInstance  = require('./_an-instance')
  , redefineAll = require('./_redefine-all')
  , hide        = require('./_hide')
  , forOf       = require('./_for-of')
  , RETURN      = forOf.RETURN;

var getMethod = function(fn){
  return fn == null ? undefined : aFunction(fn);
};

var cleanupSubscription = function(subscription){
  var cleanup = subscription._c;
  if(cleanup){
    subscription._c = undefined;
    cleanup();
  }
};

var subscriptionClosed = function(subscription){
  return subscription._o === undefined;
};

var closeSubscription = function(subscription){
  if(!subscriptionClosed(subscription)){
    subscription._o = undefined;
    cleanupSubscription(subscription);
  }
};

var Subscription = function(observer, subscriber){
  anObject(observer);
  this._c = undefined;
  this._o = observer;
  observer = new SubscriptionObserver(this);
  try {
    var cleanup      = subscriber(observer)
      , subscription = cleanup;
    if(cleanup != null){
      if(typeof cleanup.unsubscribe === 'function')cleanup = function(){ subscription.unsubscribe(); };
      else aFunction(cleanup);
      this._c = cleanup;
    }
  } catch(e){
    observer.error(e);
    return;
  } if(subscriptionClosed(this))cleanupSubscription(this);
};

Subscription.prototype = redefineAll({}, {
  unsubscribe: function unsubscribe(){ closeSubscription(this); }
});

var SubscriptionObserver = function(subscription){
  this._s = subscription;
};

SubscriptionObserver.prototype = redefineAll({}, {
  next: function next(value){
    var subscription = this._s;
    if(!subscriptionClosed(subscription)){
      var observer = subscription._o;
      try {
        var m = getMethod(observer.next);
        if(m)return m.call(observer, value);
      } catch(e){
        try {
          closeSubscription(subscription);
        } finally {
          throw e;
        }
      }
    }
  },
  error: function error(value){
    var subscription = this._s;
    if(subscriptionClosed(subscription))throw value;
    var observer = subscription._o;
    subscription._o = undefined;
    try {
      var m = getMethod(observer.error);
      if(!m)throw value;
      value = m.call(observer, value);
    } catch(e){
      try {
        cleanupSubscription(subscription);
      } finally {
        throw e;
      }
    } cleanupSubscription(subscription);
    return value;
  },
  complete: function complete(value){
    var subscription = this._s;
    if(!subscriptionClosed(subscription)){
      var observer = subscription._o;
      subscription._o = undefined;
      try {
        var m = getMethod(observer.complete);
        value = m ? m.call(observer, value) : undefined;
      } catch(e){
        try {
          cleanupSubscription(subscription);
        } finally {
          throw e;
        }
      } cleanupSubscription(subscription);
      return value;
    }
  }
});

var $Observable = function Observable(subscriber){
  anInstance(this, $Observable, 'Observable', '_f')._f = aFunction(subscriber);
};

redefineAll($Observable.prototype, {
  subscribe: function subscribe(observer){
    return new Subscription(observer, this._f);
  },
  forEach: function forEach(fn){
    var that = this;
    return new (core.Promise || global.Promise)(function(resolve, reject){
      aFunction(fn);
      var subscription = that.subscribe({
        next : function(value){
          try {
            return fn(value);
          } catch(e){
            reject(e);
            subscription.unsubscribe();
          }
        },
        error: reject,
        complete: resolve
      });
    });
  }
});

redefineAll($Observable, {
  from: function from(x){
    var C = typeof this === 'function' ? this : $Observable;
    var method = getMethod(anObject(x)[OBSERVABLE]);
    if(method){
      var observable = anObject(method.call(x));
      return observable.constructor === C ? observable : new C(function(observer){
        return observable.subscribe(observer);
      });
    }
    return new C(function(observer){
      var done = false;
      microtask(function(){
        if(!done){
          try {
            if(forOf(x, false, function(it){
              observer.next(it);
              if(done)return RETURN;
            }) === RETURN)return;
          } catch(e){
            if(done)throw e;
            observer.error(e);
            return;
          } observer.complete();
        }
      });
      return function(){ done = true; };
    });
  },
  of: function of(){
    for(var i = 0, l = arguments.length, items = Array(l); i < l;)items[i] = arguments[i++];
    return new (typeof this === 'function' ? this : $Observable)(function(observer){
      var done = false;
      microtask(function(){
        if(!done){
          for(var i = 0; i < items.length; ++i){
            observer.next(items[i]);
            if(done)return;
          } observer.complete();
        }
      });
      return function(){ done = true; };
    });
  }
});

hide($Observable.prototype, OBSERVABLE, function(){ return this; });

$export($export.G, {Observable: $Observable});

require('./_set-species')('Observable');
},{"./_a-function":9,"./_an-instance":12,"./_an-object":13,"./_core":29,"./_export":38,"./_for-of":43,"./_global":44,"./_hide":46,"./_microtask":70,"./_redefine-all":92,"./_set-species":97,"./_wks":123}],279:[function(require,module,exports){
var metadata                  = require('./_metadata')
  , anObject                  = require('./_an-object')
  , toMetaKey                 = metadata.key
  , ordinaryDefineOwnMetadata = metadata.set;

metadata.exp({defineMetadata: function defineMetadata(metadataKey, metadataValue, target, targetKey){
  ordinaryDefineOwnMetadata(metadataKey, metadataValue, anObject(target), toMetaKey(targetKey));
}});
},{"./_an-object":13,"./_metadata":69}],280:[function(require,module,exports){
var metadata               = require('./_metadata')
  , anObject               = require('./_an-object')
  , toMetaKey              = metadata.key
  , getOrCreateMetadataMap = metadata.map
  , store                  = metadata.store;

metadata.exp({deleteMetadata: function deleteMetadata(metadataKey, target /*, targetKey */){
  var targetKey   = arguments.length < 3 ? undefined : toMetaKey(arguments[2])
    , metadataMap = getOrCreateMetadataMap(anObject(target), targetKey, false);
  if(metadataMap === undefined || !metadataMap['delete'](metadataKey))return false;
  if(metadataMap.size)return true;
  var targetMetadata = store.get(target);
  targetMetadata['delete'](targetKey);
  return !!targetMetadata.size || store['delete'](target);
}});
},{"./_an-object":13,"./_metadata":69}],281:[function(require,module,exports){
var Set                     = require('./es6.set')
  , from                    = require('./_array-from-iterable')
  , metadata                = require('./_metadata')
  , anObject                = require('./_an-object')
  , getPrototypeOf          = require('./_object-gpo')
  , ordinaryOwnMetadataKeys = metadata.keys
  , toMetaKey               = metadata.key;

var ordinaryMetadataKeys = function(O, P){
  var oKeys  = ordinaryOwnMetadataKeys(O, P)
    , parent = getPrototypeOf(O);
  if(parent === null)return oKeys;
  var pKeys  = ordinaryMetadataKeys(parent, P);
  return pKeys.length ? oKeys.length ? from(new Set(oKeys.concat(pKeys))) : pKeys : oKeys;
};

metadata.exp({getMetadataKeys: function getMetadataKeys(target /*, targetKey */){
  return ordinaryMetadataKeys(anObject(target), arguments.length < 2 ? undefined : toMetaKey(arguments[1]));
}});
},{"./_an-object":13,"./_array-from-iterable":16,"./_metadata":69,"./_object-gpo":80,"./es6.set":226}],282:[function(require,module,exports){
var metadata               = require('./_metadata')
  , anObject               = require('./_an-object')
  , getPrototypeOf         = require('./_object-gpo')
  , ordinaryHasOwnMetadata = metadata.has
  , ordinaryGetOwnMetadata = metadata.get
  , toMetaKey              = metadata.key;

var ordinaryGetMetadata = function(MetadataKey, O, P){
  var hasOwn = ordinaryHasOwnMetadata(MetadataKey, O, P);
  if(hasOwn)return ordinaryGetOwnMetadata(MetadataKey, O, P);
  var parent = getPrototypeOf(O);
  return parent !== null ? ordinaryGetMetadata(MetadataKey, parent, P) : undefined;
};

metadata.exp({getMetadata: function getMetadata(metadataKey, target /*, targetKey */){
  return ordinaryGetMetadata(metadataKey, anObject(target), arguments.length < 3 ? undefined : toMetaKey(arguments[2]));
}});
},{"./_an-object":13,"./_metadata":69,"./_object-gpo":80}],283:[function(require,module,exports){
var metadata                = require('./_metadata')
  , anObject                = require('./_an-object')
  , ordinaryOwnMetadataKeys = metadata.keys
  , toMetaKey               = metadata.key;

metadata.exp({getOwnMetadataKeys: function getOwnMetadataKeys(target /*, targetKey */){
  return ordinaryOwnMetadataKeys(anObject(target), arguments.length < 2 ? undefined : toMetaKey(arguments[1]));
}});
},{"./_an-object":13,"./_metadata":69}],284:[function(require,module,exports){
var metadata               = require('./_metadata')
  , anObject               = require('./_an-object')
  , ordinaryGetOwnMetadata = metadata.get
  , toMetaKey              = metadata.key;

metadata.exp({getOwnMetadata: function getOwnMetadata(metadataKey, target /*, targetKey */){
  return ordinaryGetOwnMetadata(metadataKey, anObject(target)
    , arguments.length < 3 ? undefined : toMetaKey(arguments[2]));
}});
},{"./_an-object":13,"./_metadata":69}],285:[function(require,module,exports){
var metadata               = require('./_metadata')
  , anObject               = require('./_an-object')
  , getPrototypeOf         = require('./_object-gpo')
  , ordinaryHasOwnMetadata = metadata.has
  , toMetaKey              = metadata.key;

var ordinaryHasMetadata = function(MetadataKey, O, P){
  var hasOwn = ordinaryHasOwnMetadata(MetadataKey, O, P);
  if(hasOwn)return true;
  var parent = getPrototypeOf(O);
  return parent !== null ? ordinaryHasMetadata(MetadataKey, parent, P) : false;
};

metadata.exp({hasMetadata: function hasMetadata(metadataKey, target /*, targetKey */){
  return ordinaryHasMetadata(metadataKey, anObject(target), arguments.length < 3 ? undefined : toMetaKey(arguments[2]));
}});
},{"./_an-object":13,"./_metadata":69,"./_object-gpo":80}],286:[function(require,module,exports){
var metadata               = require('./_metadata')
  , anObject               = require('./_an-object')
  , ordinaryHasOwnMetadata = metadata.has
  , toMetaKey              = metadata.key;

metadata.exp({hasOwnMetadata: function hasOwnMetadata(metadataKey, target /*, targetKey */){
  return ordinaryHasOwnMetadata(metadataKey, anObject(target)
    , arguments.length < 3 ? undefined : toMetaKey(arguments[2]));
}});
},{"./_an-object":13,"./_metadata":69}],287:[function(require,module,exports){
var metadata                  = require('./_metadata')
  , anObject                  = require('./_an-object')
  , aFunction                 = require('./_a-function')
  , toMetaKey                 = metadata.key
  , ordinaryDefineOwnMetadata = metadata.set;

metadata.exp({metadata: function metadata(metadataKey, metadataValue){
  return function decorator(target, targetKey){
    ordinaryDefineOwnMetadata(
      metadataKey, metadataValue,
      (targetKey !== undefined ? anObject : aFunction)(target),
      toMetaKey(targetKey)
    );
  };
}});
},{"./_a-function":9,"./_an-object":13,"./_metadata":69}],288:[function(require,module,exports){
// https://github.com/DavidBruant/Map-Set.prototype.toJSON
var $export  = require('./_export');

$export($export.P + $export.R, 'Set', {toJSON: require('./_collection-to-json')('Set')});
},{"./_collection-to-json":26,"./_export":38}],289:[function(require,module,exports){
'use strict';
// https://github.com/mathiasbynens/String.prototype.at
var $export = require('./_export')
  , $at     = require('./_string-at')(true);

$export($export.P, 'String', {
  at: function at(pos){
    return $at(this, pos);
  }
});
},{"./_export":38,"./_string-at":103}],290:[function(require,module,exports){
'use strict';
// https://tc39.github.io/String.prototype.matchAll/
var $export     = require('./_export')
  , defined     = require('./_defined')
  , toLength    = require('./_to-length')
  , isRegExp    = require('./_is-regexp')
  , getFlags    = require('./_flags')
  , RegExpProto = RegExp.prototype;

var $RegExpStringIterator = function(regexp, string){
  this._r = regexp;
  this._s = string;
};

require('./_iter-create')($RegExpStringIterator, 'RegExp String', function next(){
  var match = this._r.exec(this._s);
  return {value: match, done: match === null};
});

$export($export.P, 'String', {
  matchAll: function matchAll(regexp){
    defined(this);
    if(!isRegExp(regexp))throw TypeError(regexp + ' is not a regexp!');
    var S     = String(this)
      , flags = 'flags' in RegExpProto ? String(regexp.flags) : getFlags.call(regexp)
      , rx    = new RegExp(regexp.source, ~flags.indexOf('g') ? flags : 'g' + flags);
    rx.lastIndex = toLength(regexp.lastIndex);
    return new $RegExpStringIterator(rx, S);
  }
});
},{"./_defined":33,"./_export":38,"./_flags":42,"./_is-regexp":56,"./_iter-create":58,"./_to-length":114}],291:[function(require,module,exports){
'use strict';
// https://github.com/tc39/proposal-string-pad-start-end
var $export = require('./_export')
  , $pad    = require('./_string-pad');

$export($export.P, 'String', {
  padEnd: function padEnd(maxLength /*, fillString = ' ' */){
    return $pad(this, maxLength, arguments.length > 1 ? arguments[1] : undefined, false);
  }
});
},{"./_export":38,"./_string-pad":106}],292:[function(require,module,exports){
'use strict';
// https://github.com/tc39/proposal-string-pad-start-end
var $export = require('./_export')
  , $pad    = require('./_string-pad');

$export($export.P, 'String', {
  padStart: function padStart(maxLength /*, fillString = ' ' */){
    return $pad(this, maxLength, arguments.length > 1 ? arguments[1] : undefined, true);
  }
});
},{"./_export":38,"./_string-pad":106}],293:[function(require,module,exports){
'use strict';
// https://github.com/sebmarkbage/ecmascript-string-left-right-trim
require('./_string-trim')('trimLeft', function($trim){
  return function trimLeft(){
    return $trim(this, 1);
  };
}, 'trimStart');
},{"./_string-trim":108}],294:[function(require,module,exports){
'use strict';
// https://github.com/sebmarkbage/ecmascript-string-left-right-trim
require('./_string-trim')('trimRight', function($trim){
  return function trimRight(){
    return $trim(this, 2);
  };
}, 'trimEnd');
},{"./_string-trim":108}],295:[function(require,module,exports){
require('./_wks-define')('asyncIterator');
},{"./_wks-define":121}],296:[function(require,module,exports){
require('./_wks-define')('observable');
},{"./_wks-define":121}],297:[function(require,module,exports){
// https://github.com/ljharb/proposal-global
var $export = require('./_export');

$export($export.S, 'System', {global: require('./_global')});
},{"./_export":38,"./_global":44}],298:[function(require,module,exports){
var $iterators    = require('./es6.array.iterator')
  , redefine      = require('./_redefine')
  , global        = require('./_global')
  , hide          = require('./_hide')
  , Iterators     = require('./_iterators')
  , wks           = require('./_wks')
  , ITERATOR      = wks('iterator')
  , TO_STRING_TAG = wks('toStringTag')
  , ArrayValues   = Iterators.Array;

for(var collections = ['NodeList', 'DOMTokenList', 'MediaList', 'StyleSheetList', 'CSSRuleList'], i = 0; i < 5; i++){
  var NAME       = collections[i]
    , Collection = global[NAME]
    , proto      = Collection && Collection.prototype
    , key;
  if(proto){
    if(!proto[ITERATOR])hide(proto, ITERATOR, ArrayValues);
    if(!proto[TO_STRING_TAG])hide(proto, TO_STRING_TAG, NAME);
    Iterators[NAME] = ArrayValues;
    for(key in $iterators)if(!proto[key])redefine(proto, key, $iterators[key], true);
  }
}
},{"./_global":44,"./_hide":46,"./_iterators":62,"./_redefine":93,"./_wks":123,"./es6.array.iterator":136}],299:[function(require,module,exports){
var $export = require('./_export')
  , $task   = require('./_task');
$export($export.G + $export.B, {
  setImmediate:   $task.set,
  clearImmediate: $task.clear
});
},{"./_export":38,"./_task":110}],300:[function(require,module,exports){
// ie9- setTimeout & setInterval additional parameters fix
var global     = require('./_global')
  , $export    = require('./_export')
  , invoke     = require('./_invoke')
  , partial    = require('./_partial')
  , navigator  = global.navigator
  , MSIE       = !!navigator && /MSIE .\./.test(navigator.userAgent); // <- dirty ie9- check
var wrap = function(set){
  return MSIE ? function(fn, time /*, ...args */){
    return set(invoke(
      partial,
      [].slice.call(arguments, 2),
      typeof fn == 'function' ? fn : Function(fn)
    ), time);
  } : set;
};
$export($export.G + $export.B + $export.F * MSIE, {
  setTimeout:  wrap(global.setTimeout),
  setInterval: wrap(global.setInterval)
});
},{"./_export":38,"./_global":44,"./_invoke":50,"./_partial":89}],301:[function(require,module,exports){
require('./modules/es6.symbol');
require('./modules/es6.object.create');
require('./modules/es6.object.define-property');
require('./modules/es6.object.define-properties');
require('./modules/es6.object.get-own-property-descriptor');
require('./modules/es6.object.get-prototype-of');
require('./modules/es6.object.keys');
require('./modules/es6.object.get-own-property-names');
require('./modules/es6.object.freeze');
require('./modules/es6.object.seal');
require('./modules/es6.object.prevent-extensions');
require('./modules/es6.object.is-frozen');
require('./modules/es6.object.is-sealed');
require('./modules/es6.object.is-extensible');
require('./modules/es6.object.assign');
require('./modules/es6.object.is');
require('./modules/es6.object.set-prototype-of');
require('./modules/es6.object.to-string');
require('./modules/es6.function.bind');
require('./modules/es6.function.name');
require('./modules/es6.function.has-instance');
require('./modules/es6.parse-int');
require('./modules/es6.parse-float');
require('./modules/es6.number.constructor');
require('./modules/es6.number.to-fixed');
require('./modules/es6.number.to-precision');
require('./modules/es6.number.epsilon');
require('./modules/es6.number.is-finite');
require('./modules/es6.number.is-integer');
require('./modules/es6.number.is-nan');
require('./modules/es6.number.is-safe-integer');
require('./modules/es6.number.max-safe-integer');
require('./modules/es6.number.min-safe-integer');
require('./modules/es6.number.parse-float');
require('./modules/es6.number.parse-int');
require('./modules/es6.math.acosh');
require('./modules/es6.math.asinh');
require('./modules/es6.math.atanh');
require('./modules/es6.math.cbrt');
require('./modules/es6.math.clz32');
require('./modules/es6.math.cosh');
require('./modules/es6.math.expm1');
require('./modules/es6.math.fround');
require('./modules/es6.math.hypot');
require('./modules/es6.math.imul');
require('./modules/es6.math.log10');
require('./modules/es6.math.log1p');
require('./modules/es6.math.log2');
require('./modules/es6.math.sign');
require('./modules/es6.math.sinh');
require('./modules/es6.math.tanh');
require('./modules/es6.math.trunc');
require('./modules/es6.string.from-code-point');
require('./modules/es6.string.raw');
require('./modules/es6.string.trim');
require('./modules/es6.string.iterator');
require('./modules/es6.string.code-point-at');
require('./modules/es6.string.ends-with');
require('./modules/es6.string.includes');
require('./modules/es6.string.repeat');
require('./modules/es6.string.starts-with');
require('./modules/es6.string.anchor');
require('./modules/es6.string.big');
require('./modules/es6.string.blink');
require('./modules/es6.string.bold');
require('./modules/es6.string.fixed');
require('./modules/es6.string.fontcolor');
require('./modules/es6.string.fontsize');
require('./modules/es6.string.italics');
require('./modules/es6.string.link');
require('./modules/es6.string.small');
require('./modules/es6.string.strike');
require('./modules/es6.string.sub');
require('./modules/es6.string.sup');
require('./modules/es6.date.now');
require('./modules/es6.date.to-json');
require('./modules/es6.date.to-iso-string');
require('./modules/es6.date.to-string');
require('./modules/es6.date.to-primitive');
require('./modules/es6.array.is-array');
require('./modules/es6.array.from');
require('./modules/es6.array.of');
require('./modules/es6.array.join');
require('./modules/es6.array.slice');
require('./modules/es6.array.sort');
require('./modules/es6.array.for-each');
require('./modules/es6.array.map');
require('./modules/es6.array.filter');
require('./modules/es6.array.some');
require('./modules/es6.array.every');
require('./modules/es6.array.reduce');
require('./modules/es6.array.reduce-right');
require('./modules/es6.array.index-of');
require('./modules/es6.array.last-index-of');
require('./modules/es6.array.copy-within');
require('./modules/es6.array.fill');
require('./modules/es6.array.find');
require('./modules/es6.array.find-index');
require('./modules/es6.array.species');
require('./modules/es6.array.iterator');
require('./modules/es6.regexp.constructor');
require('./modules/es6.regexp.to-string');
require('./modules/es6.regexp.flags');
require('./modules/es6.regexp.match');
require('./modules/es6.regexp.replace');
require('./modules/es6.regexp.search');
require('./modules/es6.regexp.split');
require('./modules/es6.promise');
require('./modules/es6.map');
require('./modules/es6.set');
require('./modules/es6.weak-map');
require('./modules/es6.weak-set');
require('./modules/es6.typed.array-buffer');
require('./modules/es6.typed.data-view');
require('./modules/es6.typed.int8-array');
require('./modules/es6.typed.uint8-array');
require('./modules/es6.typed.uint8-clamped-array');
require('./modules/es6.typed.int16-array');
require('./modules/es6.typed.uint16-array');
require('./modules/es6.typed.int32-array');
require('./modules/es6.typed.uint32-array');
require('./modules/es6.typed.float32-array');
require('./modules/es6.typed.float64-array');
require('./modules/es6.reflect.apply');
require('./modules/es6.reflect.construct');
require('./modules/es6.reflect.define-property');
require('./modules/es6.reflect.delete-property');
require('./modules/es6.reflect.enumerate');
require('./modules/es6.reflect.get');
require('./modules/es6.reflect.get-own-property-descriptor');
require('./modules/es6.reflect.get-prototype-of');
require('./modules/es6.reflect.has');
require('./modules/es6.reflect.is-extensible');
require('./modules/es6.reflect.own-keys');
require('./modules/es6.reflect.prevent-extensions');
require('./modules/es6.reflect.set');
require('./modules/es6.reflect.set-prototype-of');
require('./modules/es7.array.includes');
require('./modules/es7.string.at');
require('./modules/es7.string.pad-start');
require('./modules/es7.string.pad-end');
require('./modules/es7.string.trim-left');
require('./modules/es7.string.trim-right');
require('./modules/es7.string.match-all');
require('./modules/es7.symbol.async-iterator');
require('./modules/es7.symbol.observable');
require('./modules/es7.object.get-own-property-descriptors');
require('./modules/es7.object.values');
require('./modules/es7.object.entries');
require('./modules/es7.object.define-getter');
require('./modules/es7.object.define-setter');
require('./modules/es7.object.lookup-getter');
require('./modules/es7.object.lookup-setter');
require('./modules/es7.map.to-json');
require('./modules/es7.set.to-json');
require('./modules/es7.system.global');
require('./modules/es7.error.is-error');
require('./modules/es7.math.iaddh');
require('./modules/es7.math.isubh');
require('./modules/es7.math.imulh');
require('./modules/es7.math.umulh');
require('./modules/es7.reflect.define-metadata');
require('./modules/es7.reflect.delete-metadata');
require('./modules/es7.reflect.get-metadata');
require('./modules/es7.reflect.get-metadata-keys');
require('./modules/es7.reflect.get-own-metadata');
require('./modules/es7.reflect.get-own-metadata-keys');
require('./modules/es7.reflect.has-metadata');
require('./modules/es7.reflect.has-own-metadata');
require('./modules/es7.reflect.metadata');
require('./modules/es7.asap');
require('./modules/es7.observable');
require('./modules/web.timers');
require('./modules/web.immediate');
require('./modules/web.dom.iterable');
module.exports = require('./modules/_core');
},{"./modules/_core":29,"./modules/es6.array.copy-within":126,"./modules/es6.array.every":127,"./modules/es6.array.fill":128,"./modules/es6.array.filter":129,"./modules/es6.array.find":131,"./modules/es6.array.find-index":130,"./modules/es6.array.for-each":132,"./modules/es6.array.from":133,"./modules/es6.array.index-of":134,"./modules/es6.array.is-array":135,"./modules/es6.array.iterator":136,"./modules/es6.array.join":137,"./modules/es6.array.last-index-of":138,"./modules/es6.array.map":139,"./modules/es6.array.of":140,"./modules/es6.array.reduce":142,"./modules/es6.array.reduce-right":141,"./modules/es6.array.slice":143,"./modules/es6.array.some":144,"./modules/es6.array.sort":145,"./modules/es6.array.species":146,"./modules/es6.date.now":147,"./modules/es6.date.to-iso-string":148,"./modules/es6.date.to-json":149,"./modules/es6.date.to-primitive":150,"./modules/es6.date.to-string":151,"./modules/es6.function.bind":152,"./modules/es6.function.has-instance":153,"./modules/es6.function.name":154,"./modules/es6.map":155,"./modules/es6.math.acosh":156,"./modules/es6.math.asinh":157,"./modules/es6.math.atanh":158,"./modules/es6.math.cbrt":159,"./modules/es6.math.clz32":160,"./modules/es6.math.cosh":161,"./modules/es6.math.expm1":162,"./modules/es6.math.fround":163,"./modules/es6.math.hypot":164,"./modules/es6.math.imul":165,"./modules/es6.math.log10":166,"./modules/es6.math.log1p":167,"./modules/es6.math.log2":168,"./modules/es6.math.sign":169,"./modules/es6.math.sinh":170,"./modules/es6.math.tanh":171,"./modules/es6.math.trunc":172,"./modules/es6.number.constructor":173,"./modules/es6.number.epsilon":174,"./modules/es6.number.is-finite":175,"./modules/es6.number.is-integer":176,"./modules/es6.number.is-nan":177,"./modules/es6.number.is-safe-integer":178,"./modules/es6.number.max-safe-integer":179,"./modules/es6.number.min-safe-integer":180,"./modules/es6.number.parse-float":181,"./modules/es6.number.parse-int":182,"./modules/es6.number.to-fixed":183,"./modules/es6.number.to-precision":184,"./modules/es6.object.assign":185,"./modules/es6.object.create":186,"./modules/es6.object.define-properties":187,"./modules/es6.object.define-property":188,"./modules/es6.object.freeze":189,"./modules/es6.object.get-own-property-descriptor":190,"./modules/es6.object.get-own-property-names":191,"./modules/es6.object.get-prototype-of":192,"./modules/es6.object.is":196,"./modules/es6.object.is-extensible":193,"./modules/es6.object.is-frozen":194,"./modules/es6.object.is-sealed":195,"./modules/es6.object.keys":197,"./modules/es6.object.prevent-extensions":198,"./modules/es6.object.seal":199,"./modules/es6.object.set-prototype-of":200,"./modules/es6.object.to-string":201,"./modules/es6.parse-float":202,"./modules/es6.parse-int":203,"./modules/es6.promise":204,"./modules/es6.reflect.apply":205,"./modules/es6.reflect.construct":206,"./modules/es6.reflect.define-property":207,"./modules/es6.reflect.delete-property":208,"./modules/es6.reflect.enumerate":209,"./modules/es6.reflect.get":212,"./modules/es6.reflect.get-own-property-descriptor":210,"./modules/es6.reflect.get-prototype-of":211,"./modules/es6.reflect.has":213,"./modules/es6.reflect.is-extensible":214,"./modules/es6.reflect.own-keys":215,"./modules/es6.reflect.prevent-extensions":216,"./modules/es6.reflect.set":218,"./modules/es6.reflect.set-prototype-of":217,"./modules/es6.regexp.constructor":219,"./modules/es6.regexp.flags":220,"./modules/es6.regexp.match":221,"./modules/es6.regexp.replace":222,"./modules/es6.regexp.search":223,"./modules/es6.regexp.split":224,"./modules/es6.regexp.to-string":225,"./modules/es6.set":226,"./modules/es6.string.anchor":227,"./modules/es6.string.big":228,"./modules/es6.string.blink":229,"./modules/es6.string.bold":230,"./modules/es6.string.code-point-at":231,"./modules/es6.string.ends-with":232,"./modules/es6.string.fixed":233,"./modules/es6.string.fontcolor":234,"./modules/es6.string.fontsize":235,"./modules/es6.string.from-code-point":236,"./modules/es6.string.includes":237,"./modules/es6.string.italics":238,"./modules/es6.string.iterator":239,"./modules/es6.string.link":240,"./modules/es6.string.raw":241,"./modules/es6.string.repeat":242,"./modules/es6.string.small":243,"./modules/es6.string.starts-with":244,"./modules/es6.string.strike":245,"./modules/es6.string.sub":246,"./modules/es6.string.sup":247,"./modules/es6.string.trim":248,"./modules/es6.symbol":249,"./modules/es6.typed.array-buffer":250,"./modules/es6.typed.data-view":251,"./modules/es6.typed.float32-array":252,"./modules/es6.typed.float64-array":253,"./modules/es6.typed.int16-array":254,"./modules/es6.typed.int32-array":255,"./modules/es6.typed.int8-array":256,"./modules/es6.typed.uint16-array":257,"./modules/es6.typed.uint32-array":258,"./modules/es6.typed.uint8-array":259,"./modules/es6.typed.uint8-clamped-array":260,"./modules/es6.weak-map":261,"./modules/es6.weak-set":262,"./modules/es7.array.includes":263,"./modules/es7.asap":264,"./modules/es7.error.is-error":265,"./modules/es7.map.to-json":266,"./modules/es7.math.iaddh":267,"./modules/es7.math.imulh":268,"./modules/es7.math.isubh":269,"./modules/es7.math.umulh":270,"./modules/es7.object.define-getter":271,"./modules/es7.object.define-setter":272,"./modules/es7.object.entries":273,"./modules/es7.object.get-own-property-descriptors":274,"./modules/es7.object.lookup-getter":275,"./modules/es7.object.lookup-setter":276,"./modules/es7.object.values":277,"./modules/es7.observable":278,"./modules/es7.reflect.define-metadata":279,"./modules/es7.reflect.delete-metadata":280,"./modules/es7.reflect.get-metadata":282,"./modules/es7.reflect.get-metadata-keys":281,"./modules/es7.reflect.get-own-metadata":284,"./modules/es7.reflect.get-own-metadata-keys":283,"./modules/es7.reflect.has-metadata":285,"./modules/es7.reflect.has-own-metadata":286,"./modules/es7.reflect.metadata":287,"./modules/es7.set.to-json":288,"./modules/es7.string.at":289,"./modules/es7.string.match-all":290,"./modules/es7.string.pad-end":291,"./modules/es7.string.pad-start":292,"./modules/es7.string.trim-left":293,"./modules/es7.string.trim-right":294,"./modules/es7.symbol.async-iterator":295,"./modules/es7.symbol.observable":296,"./modules/es7.system.global":297,"./modules/web.dom.iterable":298,"./modules/web.immediate":299,"./modules/web.timers":300}],302:[function(require,module,exports){
exports.read = function (buffer, offset, isLE, mLen, nBytes) {
  var e, m
  var eLen = nBytes * 8 - mLen - 1
  var eMax = (1 << eLen) - 1
  var eBias = eMax >> 1
  var nBits = -7
  var i = isLE ? (nBytes - 1) : 0
  var d = isLE ? -1 : 1
  var s = buffer[offset + i]

  i += d

  e = s & ((1 << (-nBits)) - 1)
  s >>= (-nBits)
  nBits += eLen
  for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}

  m = e & ((1 << (-nBits)) - 1)
  e >>= (-nBits)
  nBits += mLen
  for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}

  if (e === 0) {
    e = 1 - eBias
  } else if (e === eMax) {
    return m ? NaN : ((s ? -1 : 1) * Infinity)
  } else {
    m = m + Math.pow(2, mLen)
    e = e - eBias
  }
  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
}

exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
  var e, m, c
  var eLen = nBytes * 8 - mLen - 1
  var eMax = (1 << eLen) - 1
  var eBias = eMax >> 1
  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
  var i = isLE ? 0 : (nBytes - 1)
  var d = isLE ? 1 : -1
  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0

  value = Math.abs(value)

  if (isNaN(value) || value === Infinity) {
    m = isNaN(value) ? 1 : 0
    e = eMax
  } else {
    e = Math.floor(Math.log(value) / Math.LN2)
    if (value * (c = Math.pow(2, -e)) < 1) {
      e--
      c *= 2
    }
    if (e + eBias >= 1) {
      value += rt / c
    } else {
      value += rt * Math.pow(2, 1 - eBias)
    }
    if (value * c >= 2) {
      e++
      c /= 2
    }

    if (e + eBias >= eMax) {
      m = 0
      e = eMax
    } else if (e + eBias >= 1) {
      m = (value * c - 1) * Math.pow(2, mLen)
      e = e + eBias
    } else {
      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
      e = 0
    }
  }

  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}

  e = (e << mLen) | m
  eLen += mLen
  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}

  buffer[offset + i - d] |= s * 128
}

},{}],303:[function(require,module,exports){
// shim for using process in browser
var process = module.exports = {};

// cached from whatever global is present so that test runners that stub it
// don't break things.  But we need to wrap it in a try catch in case it is
// wrapped in strict mode code which doesn't define any globals.  It's inside a
// function because try/catches deoptimize in certain engines.

var cachedSetTimeout;
var cachedClearTimeout;

function defaultSetTimout() {
    throw new Error('setTimeout has not been defined');
}
function defaultClearTimeout () {
    throw new Error('clearTimeout has not been defined');
}
(function () {
    try {
        if (typeof setTimeout === 'function') {
            cachedSetTimeout = setTimeout;
        } else {
            cachedSetTimeout = defaultSetTimout;
        }
    } catch (e) {
        cachedSetTimeout = defaultSetTimout;
    }
    try {
        if (typeof clearTimeout === 'function') {
            cachedClearTimeout = clearTimeout;
        } else {
            cachedClearTimeout = defaultClearTimeout;
        }
    } catch (e) {
        cachedClearTimeout = defaultClearTimeout;
    }
} ())
function runTimeout(fun) {
    if (cachedSetTimeout === setTimeout) {
        //normal enviroments in sane situations
        return setTimeout(fun, 0);
    }
    // if setTimeout wasn't available but was latter defined
    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
        cachedSetTimeout = setTimeout;
        return setTimeout(fun, 0);
    }
    try {
        // when when somebody has screwed with setTimeout but no I.E. maddness
        return cachedSetTimeout(fun, 0);
    } catch(e){
        try {
            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
            return cachedSetTimeout.call(null, fun, 0);
        } catch(e){
            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
            return cachedSetTimeout.call(this, fun, 0);
        }
    }


}
function runClearTimeout(marker) {
    if (cachedClearTimeout === clearTimeout) {
        //normal enviroments in sane situations
        return clearTimeout(marker);
    }
    // if clearTimeout wasn't available but was latter defined
    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
        cachedClearTimeout = clearTimeout;
        return clearTimeout(marker);
    }
    try {
        // when when somebody has screwed with setTimeout but no I.E. maddness
        return cachedClearTimeout(marker);
    } catch (e){
        try {
            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
            return cachedClearTimeout.call(null, marker);
        } catch (e){
            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
            // Some versions of I.E. have different rules for clearTimeout vs setTimeout
            return cachedClearTimeout.call(this, marker);
        }
    }



}
var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;

function cleanUpNextTick() {
    if (!draining || !currentQueue) {
        return;
    }
    draining = false;
    if (currentQueue.length) {
        queue = currentQueue.concat(queue);
    } else {
        queueIndex = -1;
    }
    if (queue.length) {
        drainQueue();
    }
}

function drainQueue() {
    if (draining) {
        return;
    }
    var timeout = runTimeout(cleanUpNextTick);
    draining = true;

    var len = queue.length;
    while(len) {
        currentQueue = queue;
        queue = [];
        while (++queueIndex < len) {
            if (currentQueue) {
                currentQueue[queueIndex].run();
            }
        }
        queueIndex = -1;
        len = queue.length;
    }
    currentQueue = null;
    draining = false;
    runClearTimeout(timeout);
}

process.nextTick = function (fun) {
    var args = new Array(arguments.length - 1);
    if (arguments.length > 1) {
        for (var i = 1; i < arguments.length; i++) {
            args[i - 1] = arguments[i];
        }
    }
    queue.push(new Item(fun, args));
    if (queue.length === 1 && !draining) {
        runTimeout(drainQueue);
    }
};

// v8 likes predictible objects
function Item(fun, array) {
    this.fun = fun;
    this.array = array;
}
Item.prototype.run = function () {
    this.fun.apply(null, this.array);
};
process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];
process.version = ''; // empty string to avoid regexp issues
process.versions = {};

function noop() {}

process.on = noop;
process.addListener = noop;
process.once = noop;
process.off = noop;
process.removeListener = noop;
process.removeAllListeners = noop;
process.emit = noop;

process.binding = function (name) {
    throw new Error('process.binding is not supported');
};

process.cwd = function () { return '/' };
process.chdir = function (dir) {
    throw new Error('process.chdir is not supported');
};
process.umask = function() { return 0; };

},{}],304:[function(require,module,exports){
(function (process,global){
/**
 * Copyright (c) 2014, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * https://raw.github.com/facebook/regenerator/master/LICENSE file. An
 * additional grant of patent rights can be found in the PATENTS file in
 * the same directory.
 */

!(function(global) {
  "use strict";

  var hasOwn = Object.prototype.hasOwnProperty;
  var undefined; // More compressible than void 0.
  var $Symbol = typeof Symbol === "function" ? Symbol : {};
  var iteratorSymbol = $Symbol.iterator || "@@iterator";
  var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";

  var inModule = typeof module === "object";
  var runtime = global.regeneratorRuntime;
  if (runtime) {
    if (inModule) {
      // If regeneratorRuntime is defined globally and we're in a module,
      // make the exports object identical to regeneratorRuntime.
      module.exports = runtime;
    }
    // Don't bother evaluating the rest of this file if the runtime was
    // already defined globally.
    return;
  }

  // Define the runtime globally (as expected by generated code) as either
  // module.exports (if we're in a module) or a new, empty object.
  runtime = global.regeneratorRuntime = inModule ? module.exports : {};

  function wrap(innerFn, outerFn, self, tryLocsList) {
    // If outerFn provided, then outerFn.prototype instanceof Generator.
    var generator = Object.create((outerFn || Generator).prototype);
    var context = new Context(tryLocsList || []);

    // The ._invoke method unifies the implementations of the .next,
    // .throw, and .return methods.
    generator._invoke = makeInvokeMethod(innerFn, self, context);

    return generator;
  }
  runtime.wrap = wrap;

  // Try/catch helper to minimize deoptimizations. Returns a completion
  // record like context.tryEntries[i].completion. This interface could
  // have been (and was previously) designed to take a closure to be
  // invoked without arguments, but in all the cases we care about we
  // already have an existing method we want to call, so there's no need
  // to create a new function object. We can even get away with assuming
  // the method takes exactly one argument, since that happens to be true
  // in every case, so we don't have to touch the arguments object. The
  // only additional allocation required is the completion record, which
  // has a stable shape and so hopefully should be cheap to allocate.
  function tryCatch(fn, obj, arg) {
    try {
      return { type: "normal", arg: fn.call(obj, arg) };
    } catch (err) {
      return { type: "throw", arg: err };
    }
  }

  var GenStateSuspendedStart = "suspendedStart";
  var GenStateSuspendedYield = "suspendedYield";
  var GenStateExecuting = "executing";
  var GenStateCompleted = "completed";

  // Returning this object from the innerFn has the same effect as
  // breaking out of the dispatch switch statement.
  var ContinueSentinel = {};

  // Dummy constructor functions that we use as the .constructor and
  // .constructor.prototype properties for functions that return Generator
  // objects. For full spec compliance, you may wish to configure your
  // minifier not to mangle the names of these two functions.
  function Generator() {}
  function GeneratorFunction() {}
  function GeneratorFunctionPrototype() {}

  var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype;
  GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
  GeneratorFunctionPrototype.constructor = GeneratorFunction;
  GeneratorFunctionPrototype[toStringTagSymbol] = GeneratorFunction.displayName = "GeneratorFunction";

  // Helper for defining the .next, .throw, and .return methods of the
  // Iterator interface in terms of a single ._invoke method.
  function defineIteratorMethods(prototype) {
    ["next", "throw", "return"].forEach(function(method) {
      prototype[method] = function(arg) {
        return this._invoke(method, arg);
      };
    });
  }

  runtime.isGeneratorFunction = function(genFun) {
    var ctor = typeof genFun === "function" && genFun.constructor;
    return ctor
      ? ctor === GeneratorFunction ||
        // For the native GeneratorFunction constructor, the best we can
        // do is to check its .name property.
        (ctor.displayName || ctor.name) === "GeneratorFunction"
      : false;
  };

  runtime.mark = function(genFun) {
    if (Object.setPrototypeOf) {
      Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
    } else {
      genFun.__proto__ = GeneratorFunctionPrototype;
      if (!(toStringTagSymbol in genFun)) {
        genFun[toStringTagSymbol] = "GeneratorFunction";
      }
    }
    genFun.prototype = Object.create(Gp);
    return genFun;
  };

  // Within the body of any async function, `await x` is transformed to
  // `yield regeneratorRuntime.awrap(x)`, so that the runtime can test
  // `value instanceof AwaitArgument` to determine if the yielded value is
  // meant to be awaited. Some may consider the name of this method too
  // cutesy, but they are curmudgeons.
  runtime.awrap = function(arg) {
    return new AwaitArgument(arg);
  };

  function AwaitArgument(arg) {
    this.arg = arg;
  }

  function AsyncIterator(generator) {
    function invoke(method, arg, resolve, reject) {
      var record = tryCatch(generator[method], generator, arg);
      if (record.type === "throw") {
        reject(record.arg);
      } else {
        var result = record.arg;
        var value = result.value;
        if (value instanceof AwaitArgument) {
          return Promise.resolve(value.arg).then(function(value) {
            invoke("next", value, resolve, reject);
          }, function(err) {
            invoke("throw", err, resolve, reject);
          });
        }

        return Promise.resolve(value).then(function(unwrapped) {
          // When a yielded Promise is resolved, its final value becomes
          // the .value of the Promise<{value,done}> result for the
          // current iteration. If the Promise is rejected, however, the
          // result for this iteration will be rejected with the same
          // reason. Note that rejections of yielded Promises are not
          // thrown back into the generator function, as is the case
          // when an awaited Promise is rejected. This difference in
          // behavior between yield and await is important, because it
          // allows the consumer to decide what to do with the yielded
          // rejection (swallow it and continue, manually .throw it back
          // into the generator, abandon iteration, whatever). With
          // await, by contrast, there is no opportunity to examine the
          // rejection reason outside the generator function, so the
          // only option is to throw it from the await expression, and
          // let the generator function handle the exception.
          result.value = unwrapped;
          resolve(result);
        }, reject);
      }
    }

    if (typeof process === "object" && process.domain) {
      invoke = process.domain.bind(invoke);
    }

    var previousPromise;

    function enqueue(method, arg) {
      function callInvokeWithMethodAndArg() {
        return new Promise(function(resolve, reject) {
          invoke(method, arg, resolve, reject);
        });
      }

      return previousPromise =
        // If enqueue has been called before, then we want to wait until
        // all previous Promises have been resolved before calling invoke,
        // so that results are always delivered in the correct order. If
        // enqueue has not been called before, then it is important to
        // call invoke immediately, without waiting on a callback to fire,
        // so that the async generator function has the opportunity to do
        // any necessary setup in a predictable way. This predictability
        // is why the Promise constructor synchronously invokes its
        // executor callback, and why async functions synchronously
        // execute code before the first await. Since we implement simple
        // async functions in terms of async generators, it is especially
        // important to get this right, even though it requires care.
        previousPromise ? previousPromise.then(
          callInvokeWithMethodAndArg,
          // Avoid propagating failures to Promises returned by later
          // invocations of the iterator.
          callInvokeWithMethodAndArg
        ) : callInvokeWithMethodAndArg();
    }

    // Define the unified helper method that is used to implement .next,
    // .throw, and .return (see defineIteratorMethods).
    this._invoke = enqueue;
  }

  defineIteratorMethods(AsyncIterator.prototype);

  // Note that simple async functions are implemented on top of
  // AsyncIterator objects; they just return a Promise for the value of
  // the final result produced by the iterator.
  runtime.async = function(innerFn, outerFn, self, tryLocsList) {
    var iter = new AsyncIterator(
      wrap(innerFn, outerFn, self, tryLocsList)
    );

    return runtime.isGeneratorFunction(outerFn)
      ? iter // If outerFn is a generator, return the full iterator.
      : iter.next().then(function(result) {
          return result.done ? result.value : iter.next();
        });
  };

  function makeInvokeMethod(innerFn, self, context) {
    var state = GenStateSuspendedStart;

    return function invoke(method, arg) {
      if (state === GenStateExecuting) {
        throw new Error("Generator is already running");
      }

      if (state === GenStateCompleted) {
        if (method === "throw") {
          throw arg;
        }

        // Be forgiving, per 25.3.3.3.3 of the spec:
        // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume
        return doneResult();
      }

      while (true) {
        var delegate = context.delegate;
        if (delegate) {
          if (method === "return" ||
              (method === "throw" && delegate.iterator[method] === undefined)) {
            // A return or throw (when the delegate iterator has no throw
            // method) always terminates the yield* loop.
            context.delegate = null;

            // If the delegate iterator has a return method, give it a
            // chance to clean up.
            var returnMethod = delegate.iterator["return"];
            if (returnMethod) {
              var record = tryCatch(returnMethod, delegate.iterator, arg);
              if (record.type === "throw") {
                // If the return method threw an exception, let that
                // exception prevail over the original return or throw.
                method = "throw";
                arg = record.arg;
                continue;
              }
            }

            if (method === "return") {
              // Continue with the outer return, now that the delegate
              // iterator has been terminated.
              continue;
            }
          }

          var record = tryCatch(
            delegate.iterator[method],
            delegate.iterator,
            arg
          );

          if (record.type === "throw") {
            context.delegate = null;

            // Like returning generator.throw(uncaught), but without the
            // overhead of an extra function call.
            method = "throw";
            arg = record.arg;
            continue;
          }

          // Delegate generator ran and handled its own exceptions so
          // regardless of what the method was, we continue as if it is
          // "next" with an undefined arg.
          method = "next";
          arg = undefined;

          var info = record.arg;
          if (info.done) {
            context[delegate.resultName] = info.value;
            context.next = delegate.nextLoc;
          } else {
            state = GenStateSuspendedYield;
            return info;
          }

          context.delegate = null;
        }

        if (method === "next") {
          // Setting context._sent for legacy support of Babel's
          // function.sent implementation.
          context.sent = context._sent = arg;

        } else if (method === "throw") {
          if (state === GenStateSuspendedStart) {
            state = GenStateCompleted;
            throw arg;
          }

          if (context.dispatchException(arg)) {
            // If the dispatched exception was caught by a catch block,
            // then let that catch block handle the exception normally.
            method = "next";
            arg = undefined;
          }

        } else if (method === "return") {
          context.abrupt("return", arg);
        }

        state = GenStateExecuting;

        var record = tryCatch(innerFn, self, context);
        if (record.type === "normal") {
          // If an exception is thrown from innerFn, we leave state ===
          // GenStateExecuting and loop back for another invocation.
          state = context.done
            ? GenStateCompleted
            : GenStateSuspendedYield;

          var info = {
            value: record.arg,
            done: context.done
          };

          if (record.arg === ContinueSentinel) {
            if (context.delegate && method === "next") {
              // Deliberately forget the last sent value so that we don't
              // accidentally pass it on to the delegate.
              arg = undefined;
            }
          } else {
            return info;
          }

        } else if (record.type === "throw") {
          state = GenStateCompleted;
          // Dispatch the exception by looping back around to the
          // context.dispatchException(arg) call above.
          method = "throw";
          arg = record.arg;
        }
      }
    };
  }

  // Define Generator.prototype.{next,throw,return} in terms of the
  // unified ._invoke helper method.
  defineIteratorMethods(Gp);

  Gp[iteratorSymbol] = function() {
    return this;
  };

  Gp[toStringTagSymbol] = "Generator";

  Gp.toString = function() {
    return "[object Generator]";
  };

  function pushTryEntry(locs) {
    var entry = { tryLoc: locs[0] };

    if (1 in locs) {
      entry.catchLoc = locs[1];
    }

    if (2 in locs) {
      entry.finallyLoc = locs[2];
      entry.afterLoc = locs[3];
    }

    this.tryEntries.push(entry);
  }

  function resetTryEntry(entry) {
    var record = entry.completion || {};
    record.type = "normal";
    delete record.arg;
    entry.completion = record;
  }

  function Context(tryLocsList) {
    // The root entry object (effectively a try statement without a catch
    // or a finally block) gives us a place to store values thrown from
    // locations where there is no enclosing try statement.
    this.tryEntries = [{ tryLoc: "root" }];
    tryLocsList.forEach(pushTryEntry, this);
    this.reset(true);
  }

  runtime.keys = function(object) {
    var keys = [];
    for (var key in object) {
      keys.push(key);
    }
    keys.reverse();

    // Rather than returning an object with a next method, we keep
    // things simple and return the next function itself.
    return function next() {
      while (keys.length) {
        var key = keys.pop();
        if (key in object) {
          next.value = key;
          next.done = false;
          return next;
        }
      }

      // To avoid creating an additional object, we just hang the .value
      // and .done properties off the next function object itself. This
      // also ensures that the minifier will not anonymize the function.
      next.done = true;
      return next;
    };
  };

  function values(iterable) {
    if (iterable) {
      var iteratorMethod = iterable[iteratorSymbol];
      if (iteratorMethod) {
        return iteratorMethod.call(iterable);
      }

      if (typeof iterable.next === "function") {
        return iterable;
      }

      if (!isNaN(iterable.length)) {
        var i = -1, next = function next() {
          while (++i < iterable.length) {
            if (hasOwn.call(iterable, i)) {
              next.value = iterable[i];
              next.done = false;
              return next;
            }
          }

          next.value = undefined;
          next.done = true;

          return next;
        };

        return next.next = next;
      }
    }

    // Return an iterator with no values.
    return { next: doneResult };
  }
  runtime.values = values;

  function doneResult() {
    return { value: undefined, done: true };
  }

  Context.prototype = {
    constructor: Context,

    reset: function(skipTempReset) {
      this.prev = 0;
      this.next = 0;
      // Resetting context._sent for legacy support of Babel's
      // function.sent implementation.
      this.sent = this._sent = undefined;
      this.done = false;
      this.delegate = null;

      this.tryEntries.forEach(resetTryEntry);

      if (!skipTempReset) {
        for (var name in this) {
          // Not sure about the optimal order of these conditions:
          if (name.charAt(0) === "t" &&
              hasOwn.call(this, name) &&
              !isNaN(+name.slice(1))) {
            this[name] = undefined;
          }
        }
      }
    },

    stop: function() {
      this.done = true;

      var rootEntry = this.tryEntries[0];
      var rootRecord = rootEntry.completion;
      if (rootRecord.type === "throw") {
        throw rootRecord.arg;
      }

      return this.rval;
    },

    dispatchException: function(exception) {
      if (this.done) {
        throw exception;
      }

      var context = this;
      function handle(loc, caught) {
        record.type = "throw";
        record.arg = exception;
        context.next = loc;
        return !!caught;
      }

      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        var record = entry.completion;

        if (entry.tryLoc === "root") {
          // Exception thrown outside of any try block that could handle
          // it, so set the completion value of the entire function to
          // throw the exception.
          return handle("end");
        }

        if (entry.tryLoc <= this.prev) {
          var hasCatch = hasOwn.call(entry, "catchLoc");
          var hasFinally = hasOwn.call(entry, "finallyLoc");

          if (hasCatch && hasFinally) {
            if (this.prev < entry.catchLoc) {
              return handle(entry.catchLoc, true);
            } else if (this.prev < entry.finallyLoc) {
              return handle(entry.finallyLoc);
            }

          } else if (hasCatch) {
            if (this.prev < entry.catchLoc) {
              return handle(entry.catchLoc, true);
            }

          } else if (hasFinally) {
            if (this.prev < entry.finallyLoc) {
              return handle(entry.finallyLoc);
            }

          } else {
            throw new Error("try statement without catch or finally");
          }
        }
      }
    },

    abrupt: function(type, arg) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        if (entry.tryLoc <= this.prev &&
            hasOwn.call(entry, "finallyLoc") &&
            this.prev < entry.finallyLoc) {
          var finallyEntry = entry;
          break;
        }
      }

      if (finallyEntry &&
          (type === "break" ||
           type === "continue") &&
          finallyEntry.tryLoc <= arg &&
          arg <= finallyEntry.finallyLoc) {
        // Ignore the finally entry if control is not jumping to a
        // location outside the try/catch block.
        finallyEntry = null;
      }

      var record = finallyEntry ? finallyEntry.completion : {};
      record.type = type;
      record.arg = arg;

      if (finallyEntry) {
        this.next = finallyEntry.finallyLoc;
      } else {
        this.complete(record);
      }

      return ContinueSentinel;
    },

    complete: function(record, afterLoc) {
      if (record.type === "throw") {
        throw record.arg;
      }

      if (record.type === "break" ||
          record.type === "continue") {
        this.next = record.arg;
      } else if (record.type === "return") {
        this.rval = record.arg;
        this.next = "end";
      } else if (record.type === "normal" && afterLoc) {
        this.next = afterLoc;
      }
    },

    finish: function(finallyLoc) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        if (entry.finallyLoc === finallyLoc) {
          this.complete(entry.completion, entry.afterLoc);
          resetTryEntry(entry);
          return ContinueSentinel;
        }
      }
    },

    "catch": function(tryLoc) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        if (entry.tryLoc === tryLoc) {
          var record = entry.completion;
          if (record.type === "throw") {
            var thrown = record.arg;
            resetTryEntry(entry);
          }
          return thrown;
        }
      }

      // The context.catch method must only be called with a location
      // argument that corresponds to a known catch block.
      throw new Error("illegal catch attempt");
    },

    delegateYield: function(iterable, resultName, nextLoc) {
      this.delegate = {
        iterator: values(iterable),
        resultName: resultName,
        nextLoc: nextLoc
      };

      return ContinueSentinel;
    }
  };
})(
  // Among the various tricks for obtaining a reference to the global
  // object, this seems to be the most reliable technique that does not
  // use indirect eval (which violates Content Security Policy).
  typeof global === "object" ? global :
  typeof window === "object" ? window :
  typeof self === "object" ? self : this
);

}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"_process":303}],305:[function(require,module,exports){
'use strict';

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

var t = _interopDefault(require('should-type'));

function format(msg) {
  var args = arguments;
  for (var i = 1, l = args.length; i < l; i++) {
    msg = msg.replace(/%s/, args[i]);
  }
  return msg;
}

var hasOwnProperty = Object.prototype.hasOwnProperty;

function EqualityFail(a, b, reason, path) {
  this.a = a;
  this.b = b;
  this.reason = reason;
  this.path = path;
}

function typeToString(tp) {
  return tp.type + (tp.cls ? '(' + tp.cls + (tp.sub ? ' ' + tp.sub : '') + ')' : '');
}

var  PLUS_0_AND_MINUS_0 = '+0 is not equal to -0';
var  DIFFERENT_TYPES = 'A has type %s and B has type %s';
var  EQUALITY = 'A is not equal to B';
var  EQUALITY_PROTOTYPE = 'A and B have different prototypes';
var  WRAPPED_VALUE = 'A wrapped value is not equal to B wrapped value';
var  FUNCTION_SOURCES = 'function A is not equal to B by source code value (via .toString call)';
var  MISSING_KEY = '%s has no key %s';
var  SET_MAP_MISSING_KEY = 'Set/Map missing key %s';


var DEFAULT_OPTIONS = {
  checkProtoEql: true,
  checkSubType: true,
  plusZeroAndMinusZeroEqual: true,
  collectAllFails: false
};

function setBooleanDefault(property, obj, opts, defaults) {
  obj[property] = typeof opts[property] !== 'boolean' ? defaults[property] : opts[property];
}

var METHOD_PREFIX = '_check_';

function EQ(opts, a, b, path) {
  opts = opts || {};

  setBooleanDefault('checkProtoEql', this, opts, DEFAULT_OPTIONS);
  setBooleanDefault('plusZeroAndMinusZeroEqual', this, opts, DEFAULT_OPTIONS);
  setBooleanDefault('checkSubType', this, opts, DEFAULT_OPTIONS);
  setBooleanDefault('collectAllFails', this, opts, DEFAULT_OPTIONS);

  this.a = a;
  this.b = b;

  this._meet = opts._meet || [];

  this.fails = opts.fails || [];

  this.path = path || [];
}

function ShortcutError(fail) {
  this.name = 'ShortcutError';
  this.message = 'fail fast';
  this.fail = fail;
}

ShortcutError.prototype = Object.create(Error.prototype);

EQ.checkStrictEquality = function(a, b) {
  this.collectFail(a !== b, EQUALITY);
};

EQ.add = function add(type, cls, sub, f) {
  var args = Array.prototype.slice.call(arguments);
  f = args.pop();
  EQ.prototype[METHOD_PREFIX + args.join('_')] = f;
};

EQ.prototype = {
  check: function() {
    try {
      this.check0();
    } catch (e) {
      if (e instanceof ShortcutError) {
        return [e.fail];
      }
      throw e;
    }
    return this.fails;
  },

  check0: function() {
    var a = this.a;
    var b = this.b;

    // equal a and b exit early
    if (a === b) {
      // check for +0 !== -0;
      return this.collectFail(a === 0 && (1 / a !== 1 / b) && !this.plusZeroAndMinusZeroEqual, PLUS_0_AND_MINUS_0);
    }

    var typeA = t(a);
    var typeB = t(b);

    // if objects has different types they are not equal
    if (typeA.type !== typeB.type || typeA.cls !== typeB.cls || typeA.sub !== typeB.sub) {
      return this.collectFail(true, format(DIFFERENT_TYPES, typeToString(typeA), typeToString(typeB)));
    }

    // as types the same checks type specific things
    var name1 = typeA.type, name2 = typeA.type;
    if (typeA.cls) {
      name1 += '_' + typeA.cls;
      name2 += '_' + typeA.cls;
    }
    if (typeA.sub) {
      name2 += '_' + typeA.sub;
    }

    var f = this[METHOD_PREFIX + name2] || this[METHOD_PREFIX + name1] || this[METHOD_PREFIX + typeA.type] || this.defaultCheck;

    f.call(this, this.a, this.b);
  },

  collectFail: function(comparison, reason, showReason) {
    if (comparison) {
      var res = new EqualityFail(this.a, this.b, reason, this.path);
      res.showReason = !!showReason;

      this.fails.push(res);

      if (!this.collectAllFails) {
        throw new ShortcutError(res);
      }
    }
  },

  checkPlainObjectsEquality: function(a, b) {
    // compare deep objects and arrays
    // stacks contain references only
    //
    var meet = this._meet;
    var m = this._meet.length;
    while (m--) {
      var st = meet[m];
      if (st[0] === a && st[1] === b) {
        return;
      }
    }

    // add `a` and `b` to the stack of traversed objects
    meet.push([a, b]);

    // TODO maybe something else like getOwnPropertyNames
    var key;
    for (key in b) {
      if (hasOwnProperty.call(b, key)) {
        if (hasOwnProperty.call(a, key)) {
          this.checkPropertyEquality(key);
        } else {
          this.collectFail(true, format(MISSING_KEY, 'A', key));
        }
      }
    }

    // ensure both objects have the same number of properties
    for (key in a) {
      if (hasOwnProperty.call(a, key)) {
        this.collectFail(!hasOwnProperty.call(b, key), format(MISSING_KEY, 'B', key));
      }
    }

    meet.pop();

    if (this.checkProtoEql) {
      //TODO should i check prototypes for === or use eq?
      this.collectFail(Object.getPrototypeOf(a) !== Object.getPrototypeOf(b), EQUALITY_PROTOTYPE, true);
    }

  },

  checkPropertyEquality: function(propertyName) {
    var _eq = new EQ(this, this.a[propertyName], this.b[propertyName], this.path.concat([propertyName]));
    _eq.check0();
  },

  defaultCheck: EQ.checkStrictEquality
};


EQ.add(t.NUMBER, function(a, b) {
  this.collectFail((a !== a && b === b) || (b !== b && a === a) || (a !== b && a === a && b === b), EQUALITY);
});

[t.SYMBOL, t.BOOLEAN, t.STRING].forEach(function(tp) {
  EQ.add(tp, EQ.checkStrictEquality);
});

EQ.add(t.FUNCTION, function(a, b) {
  // functions are compared by their source code
  this.collectFail(a.toString() !== b.toString(), FUNCTION_SOURCES);
  // check user properties
  this.checkPlainObjectsEquality(a, b);
});

EQ.add(t.OBJECT, t.REGEXP, function(a, b) {
  // check regexp flags
  var flags = ['source', 'global', 'multiline', 'lastIndex', 'ignoreCase', 'sticky', 'unicode'];
  while (flags.length) {
    this.checkPropertyEquality(flags.shift());
  }
  // check user properties
  this.checkPlainObjectsEquality(a, b);
});

EQ.add(t.OBJECT, t.DATE, function(a, b) {
  //check by timestamp only (using .valueOf)
  this.collectFail(+a !== +b, EQUALITY);
  // check user properties
  this.checkPlainObjectsEquality(a, b);
});

[t.NUMBER, t.BOOLEAN, t.STRING].forEach(function(tp) {
  EQ.add(t.OBJECT, tp, function(a, b) {
    //primitive type wrappers
    this.collectFail(a.valueOf() !== b.valueOf(), WRAPPED_VALUE);
    // check user properties
    this.checkPlainObjectsEquality(a, b);
  });
});

EQ.add(t.OBJECT, function(a, b) {
  this.checkPlainObjectsEquality(a, b);
});

[t.ARRAY, t.ARGUMENTS, t.TYPED_ARRAY].forEach(function(tp) {
  EQ.add(t.OBJECT, tp, function(a, b) {
    this.checkPropertyEquality('length');

    this.checkPlainObjectsEquality(a, b);
  });
});

EQ.add(t.OBJECT, t.ARRAY_BUFFER, function(a, b) {
  this.checkPropertyEquality('byteLength');

  this.checkPlainObjectsEquality(a, b);
});

EQ.add(t.OBJECT, t.ERROR, function(a, b) {
  this.checkPropertyEquality('name');
  this.checkPropertyEquality('message');

  this.checkPlainObjectsEquality(a, b);
});

EQ.add(t.OBJECT, t.BUFFER, function(a) {
  this.checkPropertyEquality('length');

  var l = a.length;
  while (l--) {
    this.checkPropertyEquality(l);
  }

  //we do not check for user properties because
  //node Buffer have some strange hidden properties
});

[t.MAP, t.SET, t.WEAK_MAP, t.WEAK_SET].forEach(function(tp) {
  EQ.add(t.OBJECT, tp, function(a, b) {
    this._meet.push([a, b]);

    var iteratorA = a.entries();
    for (var nextA = iteratorA.next(); !nextA.done; nextA = iteratorA.next()) {

      var iteratorB = b.entries();
      var keyFound = false;
      for (var nextB = iteratorB.next(); !nextB.done; nextB = iteratorB.next()) {
        // try to check keys first
        var r = eq(nextA.value[0], nextB.value[0], { collectAllFails: false, _meet: this._meet });

        if (r.length === 0) {
          keyFound = true;

          // check values also
          eq(nextA.value[1], nextB.value[1], this);
        }
      }

      if (!keyFound) {
        // no such key at all
        this.collectFail(true, format(SET_MAP_MISSING_KEY, nextA.value[0]));
      }
    }

    this._meet.pop();

    this.checkPlainObjectsEquality(a, b);
  });
});


function eq(a, b, opts) {
  return new EQ(opts, a, b).check();
}

eq.EQ = EQ;

module.exports = eq;
},{"should-type":308}],306:[function(require,module,exports){
'use strict';

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

var t = _interopDefault(require('should-type'));
var shouldTypeAdaptors = require('should-type-adaptors');

function looksLikeANumber(n) {
  return !!n.match(/\d+/);
}

function keyCompare(a, b) {
  var aNum = looksLikeANumber(a);
  var bNum = looksLikeANumber(b);
  if (aNum && bNum) {
    return 1*a - 1*b;
  } else if (aNum && !bNum) {
    return -1;
  } else if (!aNum && bNum) {
    return 1;
  } else {
    return a.localeCompare(b);
  }
}

function genKeysFunc(f) {
  return function(value) {
    var k = f(value);
    k.sort(keyCompare);
    return k;
  };
}

function Formatter(opts) {
  opts = opts || {};

  this.seen = [];

  var keysFunc;
  if (typeof opts.keysFunc === 'function') {
    keysFunc = opts.keysFunc;
  } else if (opts.keys === false) {
    keysFunc = Object.getOwnPropertyNames;
  } else {
    keysFunc = Object.keys;
  }

  this.getKeys = genKeysFunc(keysFunc);

  this.maxLineLength = typeof opts.maxLineLength === 'number' ? opts.maxLineLength : 60;
  this.propSep = opts.propSep || ',';

  this.isUTCdate = !!opts.isUTCdate;
}



Formatter.prototype = {
  constructor: Formatter,

  format: function(value) {
    var tp = t(value);

    if (this.alreadySeen(value)) {
      return '[Circular]';
    }

    var tries = tp.toTryTypes();
    var f = this.defaultFormat;
    while (tries.length) {
      var toTry = tries.shift();
      var name = Formatter.formatterFunctionName(toTry);
      if (this[name]) {
        f = this[name];
        break;
      }
    }
    return f.call(this, value).trim();
  },

  defaultFormat: function(obj) {
    return String(obj);
  },

  alreadySeen: function(value) {
    return this.seen.indexOf(value) >= 0;
  }

};

Formatter.addType = function addType(tp, f) {
  Formatter.prototype[Formatter.formatterFunctionName(tp)] = f;
};

Formatter.formatterFunctionName = function formatterFunctionName(tp) {
  return '_format_' + tp.toString('_');
};

var EOL = '\n';

function indent(v, indentation) {
  return v
    .split(EOL)
    .map(function(vv) {
      return indentation + vv;
    })
    .join(EOL);
}

function pad(str, value, filler) {
  str = String(str);
  var isRight = false;

  if (value < 0) {
    isRight = true;
    value = -value;
  }

  if (str.length < value) {
    var padding = new Array(value - str.length + 1).join(filler);
    return isRight ? str + padding : padding + str;
  } else {
    return str;
  }
}

function pad0(str, value) {
  return pad(str, value, '0');
}

var functionNameRE = /^\s*function\s*(\S*)\s*\(/;

function functionName(f) {
  if (f.name) {
    return f.name;
  }
  var matches = f.toString().match(functionNameRE);
  if (matches === null) {
    // `functionNameRE` doesn't match arrow functions.
    return '';
  }
  var name = matches[1];
  return name;
}

function constructorName(obj) {
  while (obj) {
    var descriptor = Object.getOwnPropertyDescriptor(obj, 'constructor');
    if (descriptor !== undefined &&  typeof descriptor.value === 'function') {
      var name = functionName(descriptor.value);
      if (name !== '') {
        return name;
      }
    }

    obj = Object.getPrototypeOf(obj);
  }
}

var INDENT = '  ';

function addSpaces(str) {
  return indent(str, INDENT);
}

function typeAdaptorForEachFormat(obj, opts) {
  opts = opts || {};
  var filterKey = opts.filterKey || function() { return true; };

  var formatKey = opts.formatKey || this.format;
  var formatValue = opts.formatValue || this.format;

  var keyValueSep = typeof opts.keyValueSep !== 'undefined' ? opts.keyValueSep : ': ';

  this.seen.push(obj);

  var formatLength = 0;
  var pairs = [];

  shouldTypeAdaptors.forEach(obj, function(value, key) {
    if (!filterKey(key)) {
      return;
    }

    var formattedKey = formatKey.call(this, key);
    var formattedValue = formatValue.call(this, value, key);

    var pair = formattedKey ? (formattedKey + keyValueSep + formattedValue) : formattedValue;

    formatLength += pair.length;
    pairs.push(pair);
  }, this);

  this.seen.pop();

  (opts.additionalKeys || []).forEach(function(keyValue) {
    var pair = keyValue[0] + keyValueSep + this.format(keyValue[1]);
    formatLength += pair.length;
    pairs.push(pair);
  }, this);

  var prefix = opts.prefix || constructorName(obj) || '';
  if (prefix.length > 0) {
    prefix += ' ';
  }

  var lbracket, rbracket;
  if (Array.isArray(opts.brackets)) {
    lbracket = opts.brackets[0];
    rbracket = opts.brackets[1];
  } else {
    lbracket = '{';
    rbracket = '}';
  }

  var rootValue = opts.value || '';

  if (pairs.length === 0) {
    return rootValue || (prefix + lbracket + rbracket);
  }

  if (formatLength <= this.maxLineLength) {
    return prefix + lbracket + ' ' + (rootValue ? rootValue + ' ' : '') + pairs.join(this.propSep + ' ') + ' ' + rbracket;
  } else {
    return prefix + lbracket + '\n' + (rootValue ? '  ' + rootValue + '\n' : '') + pairs.map(addSpaces).join(this.propSep + '\n') + '\n' + rbracket;
  }
}

function formatPlainObjectKey(key) {
  return typeof key === 'string' && key.match(/^[a-zA-Z_$][a-zA-Z_$0-9]*$/) ? key : this.format(key);
}

function getPropertyDescriptor(obj, key) {
  var desc;
  try {
    desc = Object.getOwnPropertyDescriptor(obj, key) || { value: obj[key] };
  } catch (e) {
    desc = { value: e };
  }
  return desc;
}

function formatPlainObjectValue(obj, key) {
  var desc = getPropertyDescriptor(obj, key);
  if (desc.get && desc.set) {
    return '[Getter/Setter]';
  }
  if (desc.get) {
    return '[Getter]';
  }
  if (desc.set) {
    return '[Setter]';
  }

  return this.format(desc.value);
}

function formatPlainObject(obj, opts) {
  opts = opts || {};
  opts.keyValueSep = ': ';
  opts.formatKey = opts.formatKey || formatPlainObjectKey;
  opts.formatValue = opts.formatValue || function(value, key) {
    return formatPlainObjectValue.call(this, obj, key);
  };
  return typeAdaptorForEachFormat.call(this, obj, opts);
}

function formatWrapper1(value) {
  return formatPlainObject.call(this, value, {
    additionalKeys: [['[[PrimitiveValue]]', value.valueOf()]]
  });
}


function formatWrapper2(value) {
  var realValue = value.valueOf();

  return formatPlainObject.call(this, value, {
    filterKey: function(key) {
      //skip useless indexed properties
      return !(key.match(/\d+/) && parseInt(key, 10) < realValue.length);
    },
    additionalKeys: [['[[PrimitiveValue]]', realValue]]
  });
}

function formatRegExp(value) {
  return formatPlainObject.call(this, value, {
    value: String(value)
  });
}

function formatFunction(value) {
  return formatPlainObject.call(this, value, {
    prefix: 'Function',
    additionalKeys: [['name', functionName(value)]]
  });
}

function formatArray(value) {
  return formatPlainObject.call(this, value, {
    formatKey: function(key) {
      if (!key.match(/\d+/)) {
        return formatPlainObjectKey.call(this, key);
      }
    },
    brackets: ['[', ']']
  });
}

function formatArguments(value) {
  return formatPlainObject.call(this, value, {
    formatKey: function(key) {
      if (!key.match(/\d+/)) {
        return formatPlainObjectKey.call(this, key);
      }
    },
    brackets: ['[', ']'],
    prefix: 'Arguments'
  });
}

function _formatDate(value, isUTC) {
  var prefix = isUTC ? 'UTC' : '';

  var date = value['get' + prefix + 'FullYear']() +
    '-' +
    pad0(value['get' + prefix + 'Month']() + 1, 2) +
    '-' +
    pad0(value['get' + prefix + 'Date'](), 2);

  var time = pad0(value['get' + prefix + 'Hours'](), 2) +
    ':' +
    pad0(value['get' + prefix + 'Minutes'](), 2) +
    ':' +
    pad0(value['get' + prefix + 'Seconds'](), 2) +
    '.' +
    pad0(value['get' + prefix + 'Milliseconds'](), 3);

  var to = value.getTimezoneOffset();
  var absTo = Math.abs(to);
  var hours = Math.floor(absTo / 60);
  var minutes = absTo - hours * 60;
  var tzFormat = (to < 0 ? '+' : '-') + pad0(hours, 2) + pad0(minutes, 2);

  return date + ' ' + time + (isUTC ? '' : ' ' + tzFormat);
}

function formatDate(value) {
  return formatPlainObject.call(this, value, { value: _formatDate(value, this.isUTCdate) });
}

function formatError(value) {
  return formatPlainObject.call(this, value, {
    prefix: value.name,
    additionalKeys: [['message', value.message]]
  });
}

function generateFormatForNumberArray(lengthProp, name, padding) {
  return function(value) {
    var max = this.byteArrayMaxLength || 50;
    var length = value[lengthProp];
    var formattedValues = [];
    var len = 0;
    for (var i = 0; i < max && i < length; i++) {
      var b = value[i] || 0;
      var v = pad0(b.toString(16), padding);
      len += v.length;
      formattedValues.push(v);
    }
    var prefix = value.constructor.name || name || '';
    if (prefix) {
      prefix += ' ';
    }

    if (formattedValues.length === 0) {
      return prefix + '[]';
    }

    if (len <= this.maxLineLength) {
      return prefix + '[ ' + formattedValues.join(this.propSep + ' ') + ' ' + ']';
    } else {
      return prefix + '[\n' + formattedValues.map(addSpaces).join(this.propSep + '\n') + '\n' + ']';
    }
  };
}

function formatMap(obj) {
  return typeAdaptorForEachFormat.call(this, obj, {
    keyValueSep: ' => '
  });
}

function formatSet(obj) {
  return typeAdaptorForEachFormat.call(this, obj, {
    keyValueSep: '',
    formatKey: function() { return ''; }
  });
}

function genSimdVectorFormat(constructorName, length) {
  return function(value) {
    var Constructor = value.constructor;
    var extractLane = Constructor.extractLane;

    var len = 0;
    var props = [];

    for (var i = 0; i < length; i ++) {
      var key = this.format(extractLane(value, i));
      len += key.length;
      props.push(key);
    }

    if (len <= this.maxLineLength) {
      return constructorName + ' [ ' + props.join(this.propSep + ' ') + ' ]';
    } else {
      return constructorName + ' [\n' + props.map(addSpaces).join(this.propSep + '\n') + '\n' + ']';
    }
  };
}

function defaultFormat(value, opts) {
  return new Formatter(opts).format(value);
}

defaultFormat.Formatter = Formatter;
defaultFormat.addSpaces = addSpaces;
defaultFormat.pad0 = pad0;
defaultFormat.functionName = functionName;
defaultFormat.constructorName = constructorName;
defaultFormat.formatPlainObjectKey = formatPlainObjectKey;
defaultFormat.typeAdaptorForEachFormat = typeAdaptorForEachFormat;
// adding primitive types
Formatter.addType(new t.Type(t.UNDEFINED), function() {
  return 'undefined';
});
Formatter.addType(new t.Type(t.NULL), function() {
  return 'null';
});
Formatter.addType(new t.Type(t.BOOLEAN), function(value) {
  return value ? 'true': 'false';
});
Formatter.addType(new t.Type(t.SYMBOL), function(value) {
  return value.toString();
});
Formatter.addType(new t.Type(t.NUMBER), function(value) {
  if (value === 0 && 1 / value < 0) {
    return '-0';
  }
  return String(value);
});

Formatter.addType(new t.Type(t.STRING), function(value) {
  return '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
      .replace(/'/g, "\\'")
      .replace(/\\"/g, '"') + '\'';
});

Formatter.addType(new t.Type(t.FUNCTION), formatFunction);

// plain object
Formatter.addType(new t.Type(t.OBJECT), formatPlainObject);

// type wrappers
Formatter.addType(new t.Type(t.OBJECT, t.NUMBER), formatWrapper1);
Formatter.addType(new t.Type(t.OBJECT, t.BOOLEAN), formatWrapper1);
Formatter.addType(new t.Type(t.OBJECT, t.STRING), formatWrapper2);

Formatter.addType(new t.Type(t.OBJECT, t.REGEXP), formatRegExp);
Formatter.addType(new t.Type(t.OBJECT, t.ARRAY), formatArray);
Formatter.addType(new t.Type(t.OBJECT, t.ARGUMENTS), formatArguments);
Formatter.addType(new t.Type(t.OBJECT, t.DATE), formatDate);
Formatter.addType(new t.Type(t.OBJECT, t.ERROR), formatError);
Formatter.addType(new t.Type(t.OBJECT, t.SET), formatSet);
Formatter.addType(new t.Type(t.OBJECT, t.MAP), formatMap);
Formatter.addType(new t.Type(t.OBJECT, t.WEAK_MAP), formatMap);
Formatter.addType(new t.Type(t.OBJECT, t.WEAK_SET), formatSet);

Formatter.addType(new t.Type(t.OBJECT, t.BUFFER), generateFormatForNumberArray('length', 'Buffer', 2));

Formatter.addType(new t.Type(t.OBJECT, t.ARRAY_BUFFER), generateFormatForNumberArray('byteLength', 'ArrayBuffer', 2));

Formatter.addType(new t.Type(t.OBJECT, t.TYPED_ARRAY, 'int8'), generateFormatForNumberArray('length', 'Int8Array', 2));
Formatter.addType(new t.Type(t.OBJECT, t.TYPED_ARRAY, 'uint8'), generateFormatForNumberArray('length', 'Uint8Array', 2));
Formatter.addType(new t.Type(t.OBJECT, t.TYPED_ARRAY, 'uint8clamped'), generateFormatForNumberArray('length', 'Uint8ClampedArray', 2));

Formatter.addType(new t.Type(t.OBJECT, t.TYPED_ARRAY, 'int16'), generateFormatForNumberArray('length', 'Int16Array', 4));
Formatter.addType(new t.Type(t.OBJECT, t.TYPED_ARRAY, 'uint16'), generateFormatForNumberArray('length', 'Uint16Array', 4));

Formatter.addType(new t.Type(t.OBJECT, t.TYPED_ARRAY, 'int32'), generateFormatForNumberArray('length', 'Int32Array', 8));
Formatter.addType(new t.Type(t.OBJECT, t.TYPED_ARRAY, 'uint32'), generateFormatForNumberArray('length', 'Uint32Array', 8));

Formatter.addType(new t.Type(t.OBJECT, t.SIMD, 'bool16x8'), genSimdVectorFormat('Bool16x8', 8));
Formatter.addType(new t.Type(t.OBJECT, t.SIMD, 'bool32x4'), genSimdVectorFormat('Bool32x4', 4));
Formatter.addType(new t.Type(t.OBJECT, t.SIMD, 'bool8x16'), genSimdVectorFormat('Bool8x16', 16));
Formatter.addType(new t.Type(t.OBJECT, t.SIMD, 'float32x4'), genSimdVectorFormat('Float32x4', 4));
Formatter.addType(new t.Type(t.OBJECT, t.SIMD, 'int16x8'), genSimdVectorFormat('Int16x8', 8));
Formatter.addType(new t.Type(t.OBJECT, t.SIMD, 'int32x4'), genSimdVectorFormat('Int32x4', 4));
Formatter.addType(new t.Type(t.OBJECT, t.SIMD, 'int8x16'), genSimdVectorFormat('Int8x16', 16));
Formatter.addType(new t.Type(t.OBJECT, t.SIMD, 'uint16x8'), genSimdVectorFormat('Uint16x8', 8));
Formatter.addType(new t.Type(t.OBJECT, t.SIMD, 'uint32x4'), genSimdVectorFormat('Uint32x4', 4));
Formatter.addType(new t.Type(t.OBJECT, t.SIMD, 'uint8x16'), genSimdVectorFormat('Uint8x16', 16));


Formatter.addType(new t.Type(t.OBJECT, t.PROMISE), function() {
  return '[Promise]';//TODO it could be nice to inspect its state and value
});

Formatter.addType(new t.Type(t.OBJECT, t.XHR), function() {
  return '[XMLHttpRequest]';//TODO it could be nice to inspect its state
});

Formatter.addType(new t.Type(t.OBJECT, t.HTML_ELEMENT), function(value) {
  return value.outerHTML;
});

Formatter.addType(new t.Type(t.OBJECT, t.HTML_ELEMENT, '#text'), function(value) {
  return value.nodeValue;
});

Formatter.addType(new t.Type(t.OBJECT, t.HTML_ELEMENT, '#document'), function(value) {
  return value.documentElement.outerHTML;
});

Formatter.addType(new t.Type(t.OBJECT, t.HOST), function() {
  return '[Host]';
});

module.exports = defaultFormat;
},{"should-type":308,"should-type-adaptors":307}],307:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

var shouldUtil = require('should-util');
var t = _interopDefault(require('should-type'));

// TODO in future add generators instead of forEach and iterator implementation


function ObjectIterator(obj) {
  this._obj = obj;
}

ObjectIterator.prototype = {
  __shouldIterator__: true, // special marker

  next: function() {
    if (this._done) {
      throw new Error('Iterator already reached the end');
    }

    if (!this._keys) {
      this._keys = Object.keys(this._obj);
      this._index = 0;
    }

    var key = this._keys[this._index];
    this._done = this._index === this._keys.length;
    this._index += 1;

    return {
      value: this._done ? void 0: [key, this._obj[key]],
      done: this._done
    };
  }
};

if (typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol') {
  ObjectIterator.prototype[Symbol.iterator] = function() {
    return this;
  };
}


function TypeAdaptorStorage() {
  this._typeAdaptors = [];
  this._iterableTypes = {};
}

TypeAdaptorStorage.prototype = {
  add: function(type, cls, sub, adaptor) {
    return this.addType(new t.Type(type, cls, sub), adaptor);
  },

  addType: function(type, adaptor) {
    this._typeAdaptors[type.toString()] = adaptor;
  },

  getAdaptor: function(tp, funcName) {
    var tries = tp.toTryTypes();
    while (tries.length) {
      var toTry = tries.shift();
      var ad = this._typeAdaptors[toTry];
      if (ad && ad[funcName]) {
        return ad[funcName];
      }
    }
  },

  requireAdaptor: function(tp, funcName) {
    var a = this.getAdaptor(tp, funcName);
    if (!a) {
      throw new Error('There is no type adaptor `' + funcName + '` for ' + tp.toString());
    }
    return a;
  },

  addIterableType: function(tp) {
    this._iterableTypes[tp.toString()] = true;
  },

  isIterableType: function(tp) {
    return !!this._iterableTypes[tp.toString()];
  }
};

var defaultTypeAdaptorStorage = new TypeAdaptorStorage();

var objectAdaptor = {
  forEach: function(obj, f, context) {
    for (var prop in obj) {
      if (shouldUtil.hasOwnProperty(obj, prop) && shouldUtil.propertyIsEnumerable(obj, prop)) {
        if (f.call(context, obj[prop], prop, obj) === false) {
          return;
        }
      }
    }
  },

  has: function(obj, prop) {
    return shouldUtil.hasOwnProperty(obj, prop);
  },

  get: function(obj, prop) {
    return obj[prop];
  },

  iterator: function(obj) {
    return new ObjectIterator(obj);
  }
};

// default for objects
defaultTypeAdaptorStorage.addType(new t.Type(t.OBJECT), objectAdaptor);
defaultTypeAdaptorStorage.addType(new t.Type(t.FUNCTION), objectAdaptor);

var mapAdaptor = {
  has: function(obj, key) {
    return obj.has(key);
  },

  get: function(obj, key) {
    return obj.get(key);
  },

  forEach: function(obj, f, context) {
    var iter = obj.entries();
    forEach(iter, function(value) {
      return f.call(context, value[1], value[0], obj);
    });
  },

  size: function(obj) {
    return obj.size;
  },

  isEmpty: function(obj) {
    return obj.size === 0;
  },

  iterator: function(obj) {
    return obj.entries();
  }
};

var setAdaptor = shouldUtil.merge({}, mapAdaptor);
setAdaptor.get = function(obj, key) {
  if (obj.has(key)) {
    return key;
  }
};

defaultTypeAdaptorStorage.addType(new t.Type(t.OBJECT, t.MAP), mapAdaptor);
defaultTypeAdaptorStorage.addType(new t.Type(t.OBJECT, t.SET), setAdaptor);
defaultTypeAdaptorStorage.addType(new t.Type(t.OBJECT, t.WEAK_SET), setAdaptor);
defaultTypeAdaptorStorage.addType(new t.Type(t.OBJECT, t.WEAK_MAP), mapAdaptor);

defaultTypeAdaptorStorage.addType(new t.Type(t.STRING), {
  isEmpty: function(obj) {
    return obj === '';
  },

  size: function(obj) {
    return obj.length;
  }
});

defaultTypeAdaptorStorage.addIterableType(new t.Type(t.OBJECT, t.ARRAY));
defaultTypeAdaptorStorage.addIterableType(new t.Type(t.OBJECT, t.ARGUMENTS));

function forEach(obj, f, context) {
  if (shouldUtil.isGeneratorFunction(obj)) {
    return forEach(obj(), f, context);
  } else if (shouldUtil.isIterator(obj)) {
    var value = obj.next();
    while (!value.done) {
      if (f.call(context, value.value, 'value', obj) === false) {
        return;
      }
      value = obj.next();
    }
  } else {
    var type = t(obj);
    var func = defaultTypeAdaptorStorage.requireAdaptor(type, 'forEach');
    func(obj, f, context);
  }
}


function size(obj) {
  var type = t(obj);
  var func = defaultTypeAdaptorStorage.getAdaptor(type, 'size');
  if (func) {
    return func(obj);
  } else {
    var len = 0;
    forEach(obj, function() {
      len += 1;
    });
    return len;
  }
}

function isEmpty(obj) {
  var type = t(obj);
  var func = defaultTypeAdaptorStorage.getAdaptor(type, 'isEmpty');
  if (func) {
    return func(obj);
  } else {
    var res = true;
    forEach(obj, function() {
      res = false;
      return false;
    });
    return res;
  }
}

// return boolean if obj has such 'key'
function has(obj, key) {
  var type = t(obj);
  var func = defaultTypeAdaptorStorage.requireAdaptor(type, 'has');
  return func(obj, key);
}

// return value for given key
function get(obj, key) {
  var type = t(obj);
  var func = defaultTypeAdaptorStorage.requireAdaptor(type, 'get');
  return func(obj, key);
}

function reduce(obj, f, initialValue) {
  var res = initialValue;
  forEach(obj, function(value, key) {
    res = f(res, value, key, obj);
  });
  return res;
}

function some(obj, f, context) {
  var res = false;
  forEach(obj, function(value, key) {
    if (f.call(context, value, key, obj)) {
      res = true;
      return false;
    }
  }, context);
  return res;
}

function every(obj, f, context) {
  var res = true;
  forEach(obj, function(value, key) {
    if (!f.call(context, value, key, obj)) {
      res = false;
      return false;
    }
  }, context);
  return res;
}

function isIterable(obj) {
  return defaultTypeAdaptorStorage.isIterableType(t(obj));
}

function iterator(obj) {
  return defaultTypeAdaptorStorage.requireAdaptor(t(obj), 'iterator')(obj);
}

exports.defaultTypeAdaptorStorage = defaultTypeAdaptorStorage;
exports.forEach = forEach;
exports.size = size;
exports.isEmpty = isEmpty;
exports.has = has;
exports.get = get;
exports.reduce = reduce;
exports.some = some;
exports.every = every;
exports.isIterable = isIterable;
exports.iterator = iterator;
},{"should-type":308,"should-util":309}],308:[function(require,module,exports){
(function (Buffer){
'use strict';

var types = {
  NUMBER: 'number',
  UNDEFINED: 'undefined',
  STRING: 'string',
  BOOLEAN: 'boolean',
  OBJECT: 'object',
  FUNCTION: 'function',
  NULL: 'null',
  ARRAY: 'array',
  REGEXP: 'regexp',
  DATE: 'date',
  ERROR: 'error',
  ARGUMENTS: 'arguments',
  SYMBOL: 'symbol',
  ARRAY_BUFFER: 'array-buffer',
  TYPED_ARRAY: 'typed-array',
  DATA_VIEW: 'data-view',
  MAP: 'map',
  SET: 'set',
  WEAK_SET: 'weak-set',
  WEAK_MAP: 'weak-map',
  PROMISE: 'promise',

// node buffer
  BUFFER: 'buffer',

// dom html element
  HTML_ELEMENT: 'html-element',
  HTML_ELEMENT_TEXT: 'html-element-text',
  DOCUMENT: 'document',
  WINDOW: 'window',
  FILE: 'file',
  FILE_LIST: 'file-list',
  BLOB: 'blob',

  HOST: 'host',

  XHR: 'xhr',

  // simd
  SIMD: 'simd'
};

/*
 * Simple data function to store type information
 * @param {string} type Usually what is returned from typeof
 * @param {string} cls  Sanitized @Class via Object.prototype.toString
 * @param {string} sub  If type and cls the same, and need to specify somehow
 * @private
 * @example
 *
 * //for null
 * new Type('null');
 *
 * //for Date
 * new Type('object', 'date');
 *
 * //for Uint8Array
 *
 * new Type('object', 'typed-array', 'uint8');
 */
function Type(type, cls, sub) {
  if (!type) {
    throw new Error('Type class must be initialized at least with `type` information');
  }
  this.type = type;
  this.cls = cls;
  this.sub = sub;
}

Type.prototype = {
  toString: function(sep) {
    sep = sep || ';';
    var str = [this.type];
    if (this.cls) {
      str.push(this.cls);
    }
    if (this.sub) {
      str.push(this.sub);
    }
    return str.join(sep);
  },

  toTryTypes: function() {
    var _types = [];
    if (this.sub) {
      _types.push(new Type(this.type, this.cls, this.sub));
    }
    if (this.cls) {
      _types.push(new Type(this.type, this.cls));
    }
    _types.push(new Type(this.type));

    return _types;
  }
};

var toString = Object.prototype.toString;



/**
 * Function to store type checks
 * @private
 */
function TypeChecker() {
  this.checks = [];
}

TypeChecker.prototype = {
  add: function(func) {
    this.checks.push(func);
    return this;
  },

  addBeforeFirstMatch: function(obj, func) {
    var match = this.getFirstMatch(obj);
    if (match) {
      this.checks.splice(match.index, 0, func);
    } else {
      this.add(func);
    }
  },

  addTypeOf: function(type, res) {
    return this.add(function(obj, tpeOf) {
      if (tpeOf === type) {
        return new Type(res);
      }
    });
  },

  addClass: function(cls, res, sub) {
    return this.add(function(obj, tpeOf, objCls) {
      if (objCls === cls) {
        return new Type(types.OBJECT, res, sub);
      }
    });
  },

  getFirstMatch: function(obj) {
    var typeOf = typeof obj;
    var cls = toString.call(obj);

    for (var i = 0, l = this.checks.length; i < l; i++) {
      var res = this.checks[i].call(this, obj, typeOf, cls);
      if (typeof res !== 'undefined') {
        return { result: res, func: this.checks[i], index: i };
      }
    }
  },

  getType: function(obj) {
    var match = this.getFirstMatch(obj);
    return match && match.result;
  }
};

var main = new TypeChecker();

//TODO add iterators

main
  .addTypeOf(types.NUMBER, types.NUMBER)
  .addTypeOf(types.UNDEFINED, types.UNDEFINED)
  .addTypeOf(types.STRING, types.STRING)
  .addTypeOf(types.BOOLEAN, types.BOOLEAN)
  .addTypeOf(types.FUNCTION, types.FUNCTION)
  .addTypeOf(types.SYMBOL, types.SYMBOL)
  .add(function(obj) {
    if (obj === null) {
      return new Type(types.NULL);
    }
  })
  .addClass('[object String]', types.STRING)
  .addClass('[object Boolean]', types.BOOLEAN)
  .addClass('[object Number]', types.NUMBER)
  .addClass('[object Array]', types.ARRAY)
  .addClass('[object RegExp]', types.REGEXP)
  .addClass('[object Error]', types.ERROR)
  .addClass('[object Date]', types.DATE)
  .addClass('[object Arguments]', types.ARGUMENTS)

  .addClass('[object ArrayBuffer]', types.ARRAY_BUFFER)
  .addClass('[object Int8Array]', types.TYPED_ARRAY, 'int8')
  .addClass('[object Uint8Array]', types.TYPED_ARRAY, 'uint8')
  .addClass('[object Uint8ClampedArray]', types.TYPED_ARRAY, 'uint8clamped')
  .addClass('[object Int16Array]', types.TYPED_ARRAY, 'int16')
  .addClass('[object Uint16Array]', types.TYPED_ARRAY, 'uint16')
  .addClass('[object Int32Array]', types.TYPED_ARRAY, 'int32')
  .addClass('[object Uint32Array]', types.TYPED_ARRAY, 'uint32')
  .addClass('[object Float32Array]', types.TYPED_ARRAY, 'float32')
  .addClass('[object Float64Array]', types.TYPED_ARRAY, 'float64')

  .addClass('[object Bool16x8]', types.SIMD, 'bool16x8')
  .addClass('[object Bool32x4]', types.SIMD, 'bool32x4')
  .addClass('[object Bool8x16]', types.SIMD, 'bool8x16')
  .addClass('[object Float32x4]', types.SIMD, 'float32x4')
  .addClass('[object Int16x8]', types.SIMD, 'int16x8')
  .addClass('[object Int32x4]', types.SIMD, 'int32x4')
  .addClass('[object Int8x16]', types.SIMD, 'int8x16')
  .addClass('[object Uint16x8]', types.SIMD, 'uint16x8')
  .addClass('[object Uint32x4]', types.SIMD, 'uint32x4')
  .addClass('[object Uint8x16]', types.SIMD, 'uint8x16')

  .addClass('[object DataView]', types.DATA_VIEW)
  .addClass('[object Map]', types.MAP)
  .addClass('[object WeakMap]', types.WEAK_MAP)
  .addClass('[object Set]', types.SET)
  .addClass('[object WeakSet]', types.WEAK_SET)
  .addClass('[object Promise]', types.PROMISE)
  .addClass('[object Blob]', types.BLOB)
  .addClass('[object File]', types.FILE)
  .addClass('[object FileList]', types.FILE_LIST)
  .addClass('[object XMLHttpRequest]', types.XHR)
  .add(function(obj) {
    if ((typeof Promise === types.FUNCTION && obj instanceof Promise) ||
        (typeof obj.then === types.FUNCTION)) {
          return new Type(types.OBJECT, types.PROMISE);
        }
  })
  .add(function(obj) {
    if (typeof Buffer !== 'undefined' && obj instanceof Buffer) {// eslint-disable-line no-undef
      return new Type(types.OBJECT, types.BUFFER);
    }
  })
  .add(function(obj) {
    if (typeof Node !== 'undefined' && obj instanceof Node) {
      return new Type(types.OBJECT, types.HTML_ELEMENT, obj.nodeName);
    }
  })
  .add(function(obj) {
    // probably at the begginging should be enough these checks
    if (obj.Boolean === Boolean && obj.Number === Number && obj.String === String && obj.Date === Date) {
      return new Type(types.OBJECT, types.HOST);
    }
  })
  .add(function() {
    return new Type(types.OBJECT);
  });

/**
 * Get type information of anything
 *
 * @param  {any} obj Anything that could require type information
 * @return {Type}    type info
 * @private
 */
function getGlobalType(obj) {
  return main.getType(obj);
}

getGlobalType.checker = main;
getGlobalType.TypeChecker = TypeChecker;
getGlobalType.Type = Type;

Object.keys(types).forEach(function(typeName) {
  getGlobalType[typeName] = types[typeName];
});

module.exports = getGlobalType;
}).call(this,require("buffer").Buffer)
},{"buffer":6}],309:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var _hasOwnProperty = Object.prototype.hasOwnProperty;
var _propertyIsEnumerable = Object.prototype.propertyIsEnumerable;

function hasOwnProperty(obj, key) {
  return _hasOwnProperty.call(obj, key);
}

function propertyIsEnumerable(obj, key) {
  return _propertyIsEnumerable.call(obj, key);
}

function merge(a, b) {
  if (a && b) {
    for (var key in b) {
      a[key] = b[key];
    }
  }
  return a;
}

function isIterator(obj) {
  if (!obj) {
    return false;
  }

  if (obj.__shouldIterator__) {
    return true;
  }

  return typeof obj.next === 'function' &&
    typeof Symbol === 'function' &&
    typeof Symbol.iterator === 'symbol' &&
    typeof obj[Symbol.iterator] === 'function' &&
    obj[Symbol.iterator]() === obj;
}

//TODO find better way
function isGeneratorFunction(f) {
  return typeof f === 'function' && /^function\s*\*\s*/.test(f.toString());
}

exports.hasOwnProperty = hasOwnProperty;
exports.propertyIsEnumerable = propertyIsEnumerable;
exports.merge = merge;
exports.isIterator = isIterator;
exports.isGeneratorFunction = isGeneratorFunction;
},{}],310:[function(require,module,exports){
'use strict';

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

var getType = _interopDefault(require('should-type'));
var eql = _interopDefault(require('should-equal'));
var sformat = _interopDefault(require('should-format'));
var shouldTypeAdaptors = require('should-type-adaptors');
var shouldUtil = require('should-util');

function isWrapperType(obj) {
  return obj instanceof Number ||
    obj instanceof String ||
    obj instanceof Boolean;
}

function convertPropertyName(name) {
  return (typeof name === 'symbol') ? name : String(name);
}

var functionName = sformat.functionName;

var config = {
  typeAdaptors: shouldTypeAdaptors.defaultTypeAdaptorStorage,

  getFormatter: function(opts) {
    return new sformat.Formatter(opts || config);
  }
};

function format(value, opts) {
  return config.getFormatter(opts).format(value);
}

function formatProp(value) {
  var formatter = config.getFormatter();
  return sformat.formatPlainObjectKey.call(formatter, value);
}

/**
 * should AssertionError
 * @param {Object} options
 * @constructor
 * @memberOf should
 * @static
 */
function AssertionError(options) {
  shouldUtil.merge(this, options);

  if (!options.message) {
    Object.defineProperty(this, 'message', {
        get: function() {
          if (!this._message) {
            this._message = this.generateMessage();
            this.generatedMessage = true;
          }
          return this._message;
        },
        configurable: true,
        enumerable: false
      }
    );
  }

  if (Error.captureStackTrace) {
    Error.captureStackTrace(this, this.stackStartFunction);
  } else {
    // non v8 browsers so we can have a stacktrace
    var err = new Error();
    if (err.stack) {
      var out = err.stack;

      if (this.stackStartFunction) {
        // try to strip useless frames
        var fn_name = functionName(this.stackStartFunction);
        var idx = out.indexOf('\n' + fn_name);
        if (idx >= 0) {
          // once we have located the function frame
          // we need to strip out everything before it (and its line)
          var next_line = out.indexOf('\n', idx + 1);
          out = out.substring(next_line + 1);
        }
      }

      this.stack = out;
    }
  }
}


var indent = '    ';
function prependIndent(line) {
  return indent + line;
}

function indentLines(text) {
  return text.split('\n').map(prependIndent).join('\n');
}


// assert.AssertionError instanceof Error
AssertionError.prototype = Object.create(Error.prototype, {
  name: {
    value: 'AssertionError'
  },

  generateMessage: {
    value: function() {
      if (!this.operator && this.previous) {
        return this.previous.message;
      }
      var actual = format(this.actual);
      var expected = 'expected' in this ? ' ' + format(this.expected) : '';
      var details = 'details' in this && this.details ? ' (' + this.details + ')' : '';

      var previous = this.previous ? '\n' + indentLines(this.previous.message) : '';

      return 'expected ' + actual + (this.negate ? ' not ' : ' ') + this.operator + expected + details + previous;
    }
  }
});

/**
 * should Assertion
 * @param {*} obj Given object for assertion
 * @constructor
 * @memberOf should
 * @static
 */
function Assertion(obj) {
  this.obj = obj;

  this.anyOne = false;
  this.negate = false;

  this.params = {actual: obj};
}

Assertion.prototype = {
  constructor: Assertion,

  /**
   * Base method for assertions.
   *
   * Before calling this method need to fill Assertion#params object. This method usually called from other assertion methods.
   * `Assertion#params` can contain such properties:
   * * `operator` - required string containing description of this assertion
   * * `obj` - optional replacement for this.obj, it usefull if you prepare more clear object then given
   * * `message` - if this property filled with string any others will be ignored and this one used as assertion message
   * * `expected` - any object used when you need to assert relation between given object and expected. Like given == expected (== is a relation)
   * * `details` - additional string with details to generated message
   *
   * @memberOf Assertion
   * @category assertion
   * @param {*} expr Any expression that will be used as a condition for asserting.
   * @example
   *
   * var a = new should.Assertion(42);
   *
   * a.params = {
   *  operator: 'to be magic number',
   * }
   *
   * a.assert(false);
   * //throws AssertionError: expected 42 to be magic number
   */
  assert: function(expr) {
    if (expr) {
      return this;
    }

    var params = this.params;

    if ('obj' in params && !('actual' in params)) {
      params.actual = params.obj;
    } else if (!('obj' in params) && !('actual' in params)) {
      params.actual = this.obj;
    }

    params.stackStartFunction = params.stackStartFunction || this.assert;
    params.negate = this.negate;

    params.assertion = this;

    throw new AssertionError(params);
  },

  /**
   * Shortcut for `Assertion#assert(false)`.
   *
   * @memberOf Assertion
   * @category assertion
   * @example
   *
   * var a = new should.Assertion(42);
   *
   * a.params = {
   *  operator: 'to be magic number',
   * }
   *
   * a.fail();
   * //throws AssertionError: expected 42 to be magic number
   */
  fail: function() {
    return this.assert(false);
  }
};



/**
 * Assertion used to delegate calls of Assertion methods inside of Promise.
 * It has almost all methods of Assertion.prototype
 *
 * @param {Promise} obj
 */
function PromisedAssertion(/* obj */) {
  Assertion.apply(this, arguments);
}

/**
 * Make PromisedAssertion to look like promise. Delegate resolve and reject to given promise.
 *
 * @private
 * @returns {Promise}
 */
PromisedAssertion.prototype.then = function(resolve, reject) {
  return this.obj.then(resolve, reject);
};

/**
 * Way to extend Assertion function. It uses some logic
 * to define only positive assertions and itself rule with negative assertion.
 *
 * All actions happen in subcontext and this method take care about negation.
 * Potentially we can add some more modifiers that does not depends from state of assertion.
 *
 * @memberOf Assertion
 * @static
 * @param {String} name Name of assertion. It will be used for defining method or getter on Assertion.prototype
 * @param {Function} func Function that will be called on executing assertion
 * @example
 *
 * Assertion.add('asset', function() {
 *      this.params = { operator: 'to be asset' }
 *
 *      this.obj.should.have.property('id').which.is.a.Number()
 *      this.obj.should.have.property('path')
 * })
 */
Assertion.add = function(name, func) {
  Object.defineProperty(Assertion.prototype, name, {
    enumerable: true,
    configurable: true,
    value: function() {
      var context = new Assertion(this.obj, this, name);
      context.anyOne = this.anyOne;

      try {
        func.apply(context, arguments);
      } catch (e) {
        // check for fail
        if (e instanceof AssertionError) {
          // negative fail
          if (this.negate) {
            this.obj = context.obj;
            this.negate = false;
            return this;
          }

          if (context !== e.assertion) {
            context.params.previous = e;
          }

          // positive fail
          context.negate = false;
          context.fail();
        }
        // throw if it is another exception
        throw e;
      }

      // negative pass
      if (this.negate) {
        context.negate = true; // because .fail will set negate
        context.params.details = 'false negative fail';
        context.fail();
      }

      // positive pass
      if (!this.params.operator) {
        this.params = context.params; // shortcut
      }
      this.obj = context.obj;
      this.negate = false;
      return this;
    }
  });

  Object.defineProperty(PromisedAssertion.prototype, name, {
    enumerable: true,
    configurable: true,
    value: function() {
      var args = arguments;
      this.obj = this.obj.then(function(a) {
        return a[name].apply(a, args);
      });

      return this;
    }
  });
};

/**
 * Add chaining getter to Assertion like .a, .which etc
 *
 * @memberOf Assertion
 * @static
 * @param  {string} name   name of getter
 * @param  {function} [onCall] optional function to call
 */
Assertion.addChain = function(name, onCall) {
  onCall = onCall || function() {};
  Object.defineProperty(Assertion.prototype, name, {
    get: function() {
      onCall.call(this);
      return this;
    },
    enumerable: true
  });

  Object.defineProperty(PromisedAssertion.prototype, name, {
    enumerable: true,
    configurable: true,
    get: function() {
      this.obj = this.obj.then(function(a) {
        return a[name];
      });

      return this;
    }
  });
};

/**
 * Create alias for some `Assertion` property
 *
 * @memberOf Assertion
 * @static
 * @param {String} from Name of to map
 * @param {String} to Name of alias
 * @example
 *
 * Assertion.alias('true', 'True')
 */
Assertion.alias = function(from, to) {
  var desc = Object.getOwnPropertyDescriptor(Assertion.prototype, from);
  if (!desc) {
    throw new Error('Alias ' + from + ' -> ' + to + ' could not be created as ' + from + ' not defined');
  }
  Object.defineProperty(Assertion.prototype, to, desc);

  var desc2 = Object.getOwnPropertyDescriptor(PromisedAssertion.prototype, from);
  if (desc2) {
    Object.defineProperty(PromisedAssertion.prototype, to, desc2);
  }
};
/**
 * Negation modifier. Current assertion chain become negated. Each call invert negation on current assertion.
 *
 * @name not
 * @property
 * @memberOf Assertion
 * @category assertion
 */
Assertion.addChain('not', function() {
  this.negate = !this.negate;
});

/**
 * Any modifier - it affect on execution of sequenced assertion to do not `check all`, but `check any of`.
 *
 * @name any
 * @property
 * @memberOf Assertion
 * @category assertion
 */
Assertion.addChain('any', function() {
  this.anyOne = true;
});

var pSlice = Array.prototype.slice;

// 1. The assert module provides functions that throw
// AssertionError's when particular conditions are not met. The
// assert module must conform to the following interface.

var assert = ok;
// 3. All of the following functions must throw an AssertionError
// when a corresponding condition is not met, with a message that
// may be undefined if not provided.  All assertion methods provide
// both the actual and expected values to the assertion error for
// display purposes.
/**
 * Node.js standard [`assert.fail`](http://nodejs.org/api/assert.html#assert_assert_fail_actual_expected_message_operator).
 * @static
 * @memberOf should
 * @category assertion assert
 * @param {*} actual Actual object
 * @param {*} expected Expected object
 * @param {string} message Message for assertion
 * @param {string} operator Operator text
 */
function fail(actual, expected, message, operator, stackStartFunction) {
  var a = new Assertion(actual);
  a.params = {
    operator: operator,
    expected: expected,
    message: message,
    stackStartFunction: stackStartFunction || fail
  };

  a.fail();
}

// EXTENSION! allows for well behaved errors defined elsewhere.
assert.fail = fail;

// 4. Pure assertion tests whether a value is truthy, as determined
// by !!guard.
// assert.ok(guard, message_opt);
// This statement is equivalent to assert.equal(true, !!guard,
// message_opt);. To test strictly for the value true, use
// assert.strictEqual(true, guard, message_opt);.
/**
 * Node.js standard [`assert.ok`](http://nodejs.org/api/assert.html#assert_assert_value_message_assert_ok_value_message).
 * @static
 * @memberOf should
 * @category assertion assert
 * @param {*} value
 * @param {string} [message]
 */
function ok(value, message) {
  if (!value) {
    fail(value, true, message, '==', assert.ok);
  }
}
assert.ok = ok;

// 5. The equality assertion tests shallow, coercive equality with
// ==.
// assert.equal(actual, expected, message_opt);

/**
 * Node.js standard [`assert.equal`](http://nodejs.org/api/assert.html#assert_assert_equal_actual_expected_message).
 * @static
 * @memberOf should
 * @category assertion assert
 * @param {*} actual
 * @param {*} expected
 * @param {string} [message]
 */
assert.equal = function equal(actual, expected, message) {
  if (actual != expected) {
    fail(actual, expected, message, '==', assert.equal);
  }
};

// 6. The non-equality assertion tests for whether two objects are not equal
// with != assert.notEqual(actual, expected, message_opt);
/**
 * Node.js standard [`assert.notEqual`](http://nodejs.org/api/assert.html#assert_assert_notequal_actual_expected_message).
 * @static
 * @memberOf should
 * @category assertion assert
 * @param {*} actual
 * @param {*} expected
 * @param {string} [message]
 */
assert.notEqual = function notEqual(actual, expected, message) {
  if (actual == expected) {
    fail(actual, expected, message, '!=', assert.notEqual);
  }
};

// 7. The equivalence assertion tests a deep equality relation.
// assert.deepEqual(actual, expected, message_opt);
/**
 * Node.js standard [`assert.deepEqual`](http://nodejs.org/api/assert.html#assert_assert_deepequal_actual_expected_message).
 * But uses should.js .eql implementation instead of Node.js own deepEqual.
 *
 * @static
 * @memberOf should
 * @category assertion assert
 * @param {*} actual
 * @param {*} expected
 * @param {string} [message]
 */
assert.deepEqual = function deepEqual(actual, expected, message) {
  if (eql(actual, expected).length !== 0) {
    fail(actual, expected, message, 'deepEqual', assert.deepEqual);
  }
};


// 8. The non-equivalence assertion tests for any deep inequality.
// assert.notDeepEqual(actual, expected, message_opt);
/**
 * Node.js standard [`assert.notDeepEqual`](http://nodejs.org/api/assert.html#assert_assert_notdeepequal_actual_expected_message).
 * But uses should.js .eql implementation instead of Node.js own deepEqual.
 *
 * @static
 * @memberOf should
 * @category assertion assert
 * @param {*} actual
 * @param {*} expected
 * @param {string} [message]
 */
assert.notDeepEqual = function notDeepEqual(actual, expected, message) {
  if (eql(actual, expected).result) {
    fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual);
  }
};

// 9. The strict equality assertion tests strict equality, as determined by ===.
// assert.strictEqual(actual, expected, message_opt);
/**
 * Node.js standard [`assert.strictEqual`](http://nodejs.org/api/assert.html#assert_assert_strictequal_actual_expected_message).
 * @static
 * @memberOf should
 * @category assertion assert
 * @param {*} actual
 * @param {*} expected
 * @param {string} [message]
 */
assert.strictEqual = function strictEqual(actual, expected, message) {
  if (actual !== expected) {
    fail(actual, expected, message, '===', assert.strictEqual);
  }
};

// 10. The strict non-equality assertion tests for strict inequality, as
// determined by !==.  assert.notStrictEqual(actual, expected, message_opt);
/**
 * Node.js standard [`assert.notStrictEqual`](http://nodejs.org/api/assert.html#assert_assert_notstrictequal_actual_expected_message).
 * @static
 * @memberOf should
 * @category assertion assert
 * @param {*} actual
 * @param {*} expected
 * @param {string} [message]
 */
assert.notStrictEqual = function notStrictEqual(actual, expected, message) {
  if (actual === expected) {
    fail(actual, expected, message, '!==', assert.notStrictEqual);
  }
};

function expectedException(actual, expected) {
  if (!actual || !expected) {
    return false;
  }

  if (Object.prototype.toString.call(expected) == '[object RegExp]') {
    return expected.test(actual);
  } else if (actual instanceof expected) {
    return true;
  } else if (expected.call({}, actual) === true) {
    return true;
  }

  return false;
}

function _throws(shouldThrow, block, expected, message) {
  var actual;

  if (typeof expected == 'string') {
    message = expected;
    expected = null;
  }

  try {
    block();
  } catch (e) {
    actual = e;
  }

  message = (expected && expected.name ? ' (' + expected.name + ')' : '.') +
  (message ? ' ' + message : '.');

  if (shouldThrow && !actual) {
    fail(actual, expected, 'Missing expected exception' + message);
  }

  if (!shouldThrow && expectedException(actual, expected)) {
    fail(actual, expected, 'Got unwanted exception' + message);
  }

  if ((shouldThrow && actual && expected && !expectedException(actual, expected)) || (!shouldThrow && actual)) {
    throw actual;
  }
}

// 11. Expected to throw an error:
// assert.throws(block, Error_opt, message_opt);
/**
 * Node.js standard [`assert.throws`](http://nodejs.org/api/assert.html#assert_assert_throws_block_error_message).
 * @static
 * @memberOf should
 * @category assertion assert
 * @param {Function} block
 * @param {Function} [error]
 * @param {String} [message]
 */
assert.throws = function(/*block, error, message*/) {
  _throws.apply(this, [true].concat(pSlice.call(arguments)));
};

// EXTENSION! This is annoying to write outside this module.
/**
 * Node.js standard [`assert.doesNotThrow`](http://nodejs.org/api/assert.html#assert_assert_doesnotthrow_block_message).
 * @static
 * @memberOf should
 * @category assertion assert
 * @param {Function} block
 * @param {String} [message]
 */
assert.doesNotThrow = function(/*block, message*/) {
  _throws.apply(this, [false].concat(pSlice.call(arguments)));
};

/**
 * Node.js standard [`assert.ifError`](http://nodejs.org/api/assert.html#assert_assert_iferror_value).
 * @static
 * @memberOf should
 * @category assertion assert
 * @param {Error} err
 */
assert.ifError = function(err) {
  if (err) {
    throw err;
  }
};

function assertExtensions(should) {
  var i = should.format;

  /*
   * Expose assert to should
   *
   * This allows you to do things like below
   * without require()ing the assert module.
   *
   *    should.equal(foo.bar, undefined);
   *
   */
  shouldUtil.merge(should, assert);

  /**
   * Assert _obj_ exists, with optional message.
   *
   * @static
   * @memberOf should
   * @category assertion assert
   * @alias should.exists
   * @param {*} obj
   * @param {String} [msg]
   * @example
   *
   * should.exist(1);
   * should.exist(new Date());
   */
  should.exist = should.exists = function(obj, msg) {
    if (null == obj) {
      throw new AssertionError({
        message: msg || ('expected ' + i(obj) + ' to exist'), stackStartFunction: should.exist
      });
    }
  };

  should.not = {};
  /**
   * Asserts _obj_ does not exist, with optional message.
   *
   * @name not.exist
   * @static
   * @memberOf should
   * @category assertion assert
   * @alias should.not.exists
   * @param {*} obj
   * @param {String} [msg]
   * @example
   *
   * should.not.exist(null);
   * should.not.exist(void 0);
   */
  should.not.exist = should.not.exists = function(obj, msg) {
    if (null != obj) {
      throw new AssertionError({
        message: msg || ('expected ' + i(obj) + ' to not exist'), stackStartFunction: should.not.exist
      });
    }
  };
}

/*
 * should.js - assertion library
 * Copyright(c) 2010-2013 TJ Holowaychuk <tj@vision-media.ca>
 * Copyright(c) 2013-2016 Denis Bardadym <bardadymchik@gmail.com>
 * MIT Licensed
 */

function chainAssertions(should, Assertion) {
  /**
   * Simple chaining. It actually do nothing.
   *
   * @memberOf Assertion
   * @name be
   * @property {should.Assertion} be
   * @alias Assertion#an
   * @alias Assertion#of
   * @alias Assertion#a
   * @alias Assertion#and
   * @alias Assertion#have
   * @alias Assertion#has
   * @alias Assertion#with
   * @alias Assertion#is
   * @alias Assertion#which
   * @alias Assertion#the
   * @alias Assertion#it
   * @category assertion chaining
   */
  ['an', 'of', 'a', 'and', 'be', 'has', 'have', 'with', 'is', 'which', 'the', 'it'].forEach(function(name) {
    Assertion.addChain(name);
  });
}

/*
 * should.js - assertion library
 * Copyright(c) 2010-2013 TJ Holowaychuk <tj@vision-media.ca>
 * Copyright(c) 2013-2016 Denis Bardadym <bardadymchik@gmail.com>
 * MIT Licensed
 */

function booleanAssertions(should, Assertion) {
  /**
   * Assert given object is exactly `true`.
   *
   * @name true
   * @memberOf Assertion
   * @category assertion bool
   * @alias Assertion#True
   * @param {string} [message] Optional message
   * @example
   *
   * (true).should.be.true();
   * false.should.not.be.true();
   *
   * ({ a: 10}).should.not.be.true();
   */
  Assertion.add('true', function(message) {
    this.is.exactly(true, message);
  });

  Assertion.alias('true', 'True');

  /**
   * Assert given object is exactly `false`.
   *
   * @name false
   * @memberOf Assertion
   * @category assertion bool
   * @alias Assertion#False
   * @param {string} [message] Optional message
   * @example
   *
   * (true).should.not.be.false();
   * false.should.be.false();
   */
  Assertion.add('false', function(message) {
    this.is.exactly(false, message);
  });

  Assertion.alias('false', 'False');

  /**
   * Assert given object is truthy according javascript type conversions.
   *
   * @name ok
   * @memberOf Assertion
   * @category assertion bool
   * @example
   *
   * (true).should.be.ok();
   * ''.should.not.be.ok();
   * should(null).not.be.ok();
   * should(void 0).not.be.ok();
   *
   * (10).should.be.ok();
   * (0).should.not.be.ok();
   */
  Assertion.add('ok', function() {
    this.params = { operator: 'to be truthy' };

    this.assert(this.obj);
  });
}

/*
 * should.js - assertion library
 * Copyright(c) 2010-2013 TJ Holowaychuk <tj@vision-media.ca>
 * Copyright(c) 2013-2016 Denis Bardadym <bardadymchik@gmail.com>
 * MIT Licensed
 */

function numberAssertions(should, Assertion) {

  /**
   * Assert given object is NaN
   * @name NaN
   * @memberOf Assertion
   * @category assertion numbers
   * @example
   *
   * (10).should.not.be.NaN();
   * NaN.should.be.NaN();
   */
  Assertion.add('NaN', function() {
    this.params = { operator: 'to be NaN' };

    this.assert(this.obj !== this.obj);
  });

  /**
   * Assert given object is not finite (positive or negative)
   *
   * @name Infinity
   * @memberOf Assertion
   * @category assertion numbers
   * @example
   *
   * (10).should.not.be.Infinity();
   * NaN.should.not.be.Infinity();
   */
  Assertion.add('Infinity', function() {
    this.params = { operator: 'to be Infinity' };

    this.is.a.Number()
      .and.not.a.NaN()
      .and.assert(!isFinite(this.obj));
  });

  /**
   * Assert given number between `start` and `finish` or equal one of them.
   *
   * @name within
   * @memberOf Assertion
   * @category assertion numbers
   * @param {number} start Start number
   * @param {number} finish Finish number
   * @param {string} [description] Optional message
   * @example
   *
   * (10).should.be.within(0, 20);
   */
  Assertion.add('within', function(start, finish, description) {
    this.params = { operator: 'to be within ' + start + '..' + finish, message: description };

    this.assert(this.obj >= start && this.obj <= finish);
  });

  /**
   * Assert given number near some other `value` within `delta`
   *
   * @name approximately
   * @memberOf Assertion
   * @category assertion numbers
   * @param {number} value Center number
   * @param {number} delta Radius
   * @param {string} [description] Optional message
   * @example
   *
   * (9.99).should.be.approximately(10, 0.1);
   */
  Assertion.add('approximately', function(value, delta, description) {
    this.params = { operator: 'to be approximately ' + value + ' ±' + delta, message: description };

    this.assert(Math.abs(this.obj - value) <= delta);
  });

  /**
   * Assert given number above `n`.
   *
   * @name above
   * @alias Assertion#greaterThan
   * @memberOf Assertion
   * @category assertion numbers
   * @param {number} n Margin number
   * @param {string} [description] Optional message
   * @example
   *
   * (10).should.be.above(0);
   */
  Assertion.add('above', function(n, description) {
    this.params = { operator: 'to be above ' + n, message: description };

    this.assert(this.obj > n);
  });

  /**
   * Assert given number below `n`.
   *
   * @name below
   * @alias Assertion#lessThan
   * @memberOf Assertion
   * @category assertion numbers
   * @param {number} n Margin number
   * @param {string} [description] Optional message
   * @example
   *
   * (0).should.be.below(10);
   */
  Assertion.add('below', function(n, description) {
    this.params = { operator: 'to be below ' + n, message: description };

    this.assert(this.obj < n);
  });

  Assertion.alias('above', 'greaterThan');
  Assertion.alias('below', 'lessThan');

  /**
   * Assert given number above `n`.
   *
   * @name aboveOrEqual
   * @alias Assertion#greaterThanOrEqual
   * @memberOf Assertion
   * @category assertion numbers
   * @param {number} n Margin number
   * @param {string} [description] Optional message
   * @example
   *
   * (10).should.be.aboveOrEqual(0);
   * (10).should.be.aboveOrEqual(10);
   */
  Assertion.add('aboveOrEqual', function(n, description) {
    this.params = { operator: 'to be above or equal' + n, message: description };

    this.assert(this.obj >= n);
  });

  /**
   * Assert given number below `n`.
   *
   * @name belowOrEqual
   * @alias Assertion#lessThanOrEqual
   * @memberOf Assertion
   * @category assertion numbers
   * @param {number} n Margin number
   * @param {string} [description] Optional message
   * @example
   *
   * (0).should.be.belowOrEqual(10);
   * (0).should.be.belowOrEqual(0);
   */
  Assertion.add('belowOrEqual', function(n, description) {
    this.params = { operator: 'to be below or equal' + n, message: description };

    this.assert(this.obj <= n);
  });

  Assertion.alias('aboveOrEqual', 'greaterThanOrEqual');
  Assertion.alias('belowOrEqual', 'lessThanOrEqual');

}

function typeAssertions(should, Assertion) {
  /**
   * Assert given object is number
   * @name Number
   * @memberOf Assertion
   * @category assertion types
   */
  Assertion.add('Number', function() {
    this.params = {operator: 'to be a number'};

    this.have.type('number');
  });

  /**
   * Assert given object is arguments
   * @name arguments
   * @alias Assertion#Arguments
   * @memberOf Assertion
   * @category assertion types
   */
  Assertion.add('arguments', function() {
    this.params = {operator: 'to be arguments'};

    this.have.class('Arguments');
  });

  Assertion.alias('arguments', 'Arguments');

  /**
   * Assert given object has some type using `typeof`
   * @name type
   * @memberOf Assertion
   * @param {string} type Type name
   * @param {string} [description] Optional message
   * @category assertion types
   */
  Assertion.add('type', function(type, description) {
    this.params = {operator: 'to have type ' + type, message: description};

    should(typeof this.obj).be.exactly(type);
  });

  /**
   * Assert given object is instance of `constructor`
   * @name instanceof
   * @alias Assertion#instanceOf
   * @memberOf Assertion
   * @param {Function} constructor Constructor function
   * @param {string} [description] Optional message
   * @category assertion types
   */
  Assertion.add('instanceof', function(constructor, description) {
    this.params = {operator: 'to be an instance of ' + functionName(constructor), message: description};

    this.assert(Object(this.obj) instanceof constructor);
  });

  Assertion.alias('instanceof', 'instanceOf');

  /**
   * Assert given object is function
   * @name Function
   * @memberOf Assertion
   * @category assertion types
   */
  Assertion.add('Function', function() {
    this.params = {operator: 'to be a function'};

    this.have.type('function');
  });

  /**
   * Assert given object is object
   * @name Object
   * @memberOf Assertion
   * @category assertion types
   */
  Assertion.add('Object', function() {
    this.params = {operator: 'to be an object'};

    this.is.not.null().and.have.type('object');
  });

  /**
   * Assert given object is string
   * @name String
   * @memberOf Assertion
   * @category assertion types
   */
  Assertion.add('String', function() {
    this.params = {operator: 'to be a string'};

    this.have.type('string');
  });

  /**
   * Assert given object is array
   * @name Array
   * @memberOf Assertion
   * @category assertion types
   */
  Assertion.add('Array', function() {
    this.params = {operator: 'to be an array'};

    this.have.class('Array');
  });

  /**
   * Assert given object is boolean
   * @name Boolean
   * @memberOf Assertion
   * @category assertion types
   */
  Assertion.add('Boolean', function() {
    this.params = {operator: 'to be a boolean'};

    this.have.type('boolean');
  });

  /**
   * Assert given object is error
   * @name Error
   * @memberOf Assertion
   * @category assertion types
   */
  Assertion.add('Error', function() {
    this.params = {operator: 'to be an error'};

    this.have.instanceOf(Error);
  });

  /**
   * Assert given object is a date
   * @name Date
   * @memberOf Assertion
   * @category assertion types
   */
  Assertion.add('Date', function() {
    this.params = {operator: 'to be a date'};

    this.have.instanceOf(Date);
  });

  /**
   * Assert given object is null
   * @name null
   * @alias Assertion#Null
   * @memberOf Assertion
   * @category assertion types
   */
  Assertion.add('null', function() {
    this.params = {operator: 'to be null'};

    this.assert(this.obj === null);
  });

  Assertion.alias('null', 'Null');

  /**
   * Assert given object has some internal [[Class]], via Object.prototype.toString call
   * @name class
   * @alias Assertion#Class
   * @memberOf Assertion
   * @category assertion types
   */
  Assertion.add('class', function(cls) {
    this.params = {operator: 'to have [[Class]] ' + cls};

    this.assert(Object.prototype.toString.call(this.obj) === '[object ' + cls + ']');
  });

  Assertion.alias('class', 'Class');

  /**
   * Assert given object is undefined
   * @name undefined
   * @alias Assertion#Undefined
   * @memberOf Assertion
   * @category assertion types
   */
  Assertion.add('undefined', function() {
    this.params = {operator: 'to be undefined'};

    this.assert(this.obj === void 0);
  });

  Assertion.alias('undefined', 'Undefined');

  /**
   * Assert given object supports es6 iterable protocol (just check
   * that object has property Symbol.iterator, which is a function)
   * @name iterable
   * @memberOf Assertion
   * @category assertion es6
   */
  Assertion.add('iterable', function() {
    this.params = {operator: 'to be iterable'};

    should(this.obj).have.property(Symbol.iterator).which.is.a.Function();
  });

  /**
   * Assert given object supports es6 iterator protocol (just check
   * that object has property next, which is a function)
   * @name iterator
   * @memberOf Assertion
   * @category assertion es6
   */
  Assertion.add('iterator', function() {
    this.params = {operator: 'to be iterator'};

    should(this.obj).have.property('next').which.is.a.Function();
  });

  /**
   * Assert given object is a generator object
   * @name generator
   * @memberOf Assertion
   * @category assertion es6
   */
  Assertion.add('generator', function() {
    this.params = {operator: 'to be generator'};

    should(this.obj).be.iterable
      .and.iterator
      .and.it.is.equal(this.obj[Symbol.iterator]());
  });
}

function formatEqlResult(r, a, b) {
  return ((r.path.length > 0 ? 'at ' + r.path.map(formatProp).join(' -> ') : '') +
  (r.a === a ? '' : ', A has ' + format(r.a)) +
  (r.b === b ? '' : ' and B has ' + format(r.b)) +
  (r.showReason ? ' because ' + r.reason : '')).trim();
}

function equalityAssertions(should, Assertion) {


  /**
   * Deep object equality comparison. For full spec see [`should-equal tests`](https://github.com/shouldjs/equal/blob/master/test.js).
   *
   * @name eql
   * @memberOf Assertion
   * @category assertion equality
   * @alias Assertion#deepEqual
   * @param {*} val Expected value
   * @param {string} [description] Optional message
   * @example
   *
   * (10).should.be.eql(10);
   * ('10').should.not.be.eql(10);
   * (-0).should.not.be.eql(+0);
   *
   * NaN.should.be.eql(NaN);
   *
   * ({ a: 10}).should.be.eql({ a: 10 });
   * [ 'a' ].should.not.be.eql({ '0': 'a' });
   */
  Assertion.add('eql', function(val, description) {
    this.params = {operator: 'to equal', expected: val, message: description};
    var obj = this.obj;
    var fails = eql(this.obj, val, should.config);
    this.params.details = fails.map(function(fail) {
      return formatEqlResult(fail, obj, val);
    }).join(', ');

    this.params.showDiff = eql(getType(obj), getType(val)).length === 0;

    this.assert(fails.length === 0);
  });

  /**
   * Exact comparison using ===.
   *
   * @name equal
   * @memberOf Assertion
   * @category assertion equality
   * @alias Assertion#exactly
   * @param {*} val Expected value
   * @param {string} [description] Optional message
   * @example
   *
   * 10.should.be.equal(10);
   * 'a'.should.be.exactly('a');
   *
   * should(null).be.exactly(null);
   */
  Assertion.add('equal', function(val, description) {
    this.params = {operator: 'to be', expected: val, message: description};

    this.params.showDiff = eql(getType(this.obj), getType(val)).length === 0;

    this.assert(val === this.obj);
  });

  Assertion.alias('equal', 'exactly');
  Assertion.alias('eql', 'deepEqual');

  function addOneOf(name, message, method) {
    Assertion.add(name, function(vals) {
      if (arguments.length !== 1) {
        vals = Array.prototype.slice.call(arguments);
      } else {
        should(vals).be.Array();
      }

      this.params = {operator: message, expected: vals};

      var obj = this.obj;
      var found = false;

      shouldTypeAdaptors.forEach(vals, function(val) {
        try {
          should(val)[method](obj);
          found = true;
          return false;
        } catch (e) {
          if (e instanceof should.AssertionError) {
            return;//do nothing
          }
          throw e;
        }
      });

      this.assert(found);
    });
  }

  /**
   * Exact comparison using === to be one of supplied objects.
   *
   * @name equalOneOf
   * @memberOf Assertion
   * @category assertion equality
   * @param {Array|*} vals Expected values
   * @example
   *
   * 'ab'.should.be.equalOneOf('a', 10, 'ab');
   * 'ab'.should.be.equalOneOf(['a', 10, 'ab']);
   */
  addOneOf('equalOneOf', 'to be equals one of', 'equal');

  /**
   * Exact comparison using .eql to be one of supplied objects.
   *
   * @name oneOf
   * @memberOf Assertion
   * @category assertion equality
   * @param {Array|*} vals Expected values
   * @example
   *
   * ({a: 10}).should.be.oneOf('a', 10, 'ab', {a: 10});
   * ({a: 10}).should.be.oneOf(['a', 10, 'ab', {a: 10}]);
   */
  addOneOf('oneOf', 'to be one of', 'eql');

}

function promiseAssertions(should, Assertion) {
  /**
   * Assert given object is a Promise
   *
   * @name Promise
   * @memberOf Assertion
   * @category assertion promises
   * @example
   *
   * promise.should.be.Promise()
   * (new Promise(function(resolve, reject) { resolve(10); })).should.be.a.Promise()
   * (10).should.not.be.a.Promise()
   */
  Assertion.add('Promise', function() {
    this.params = {operator: 'to be promise'};

    var obj = this.obj;

    should(obj).have.property('then')
      .which.is.a.Function();
  });

  /**
   * Assert given promise will be fulfilled. Result of assertion is still .thenable and should be handled accordingly.
   *
   * @name fulfilled
   * @memberOf Assertion
   * @returns {Promise}
   * @category assertion promises
   * @example
   *
   * // don't forget to handle async nature
   * (new Promise(function(resolve, reject) { resolve(10); })).should.be.fulfilled();
   *
   * // test example with mocha it is possible to return promise
   * it('is async', () => {
   *    return new Promise(resolve => resolve(10))
   *      .should.be.fulfilled();
   * });
   */
  Assertion.prototype.fulfilled = function Assertion$fulfilled() {
    this.params = {operator: 'to be fulfilled'};

    should(this.obj).be.a.Promise();

    var that = this;
    return this.obj.then(function next$onResolve(value) {
      if (that.negate) {
        that.fail();
      }
      return value;
    }, function next$onReject(err) {
      if (!that.negate) {
        that.params.operator += ', but it was rejected with ' + should.format(err);
        that.fail();
      }
      return err;
    });
  };

  /**
   * Assert given promise will be rejected. Result of assertion is still .thenable and should be handled accordingly.
   *
   * @name rejected
   * @memberOf Assertion
   * @category assertion promises
   * @returns {Promise}
   * @example
   *
   * // don't forget to handle async nature
   * (new Promise(function(resolve, reject) { resolve(10); }))
   *    .should.not.be.rejected();
   *
   * // test example with mocha it is possible to return promise
   * it('is async', () => {
   *    return new Promise((resolve, reject) => reject(new Error('boom')))
   *      .should.be.rejected();
   * });
   */
  Assertion.prototype.rejected = function() {
    this.params = {operator: 'to be rejected'};

    should(this.obj).be.a.Promise();

    var that = this;
    return this.obj.then(function(value) {
      if (!that.negate) {
        that.params.operator += ', but it was fulfilled';
        if (arguments.length != 0) {
          that.params.operator += ' with ' + should.format(value);
        }
        that.fail();
      }
      return value;
    }, function next$onError(err) {
      if (that.negate) {
        that.fail();
      }
      return err;
    });
  };

  /**
   * Assert given promise will be fulfilled with some expected value (value compared using .eql).
   * Result of assertion is still .thenable and should be handled accordingly.
   *
   * @name fulfilledWith
   * @memberOf Assertion
   * @category assertion promises
   * @returns {Promise}
   * @example
   *
   * // don't forget to handle async nature
   * (new Promise(function(resolve, reject) { resolve(10); }))
   *    .should.be.fulfilledWith(10);
   *
   * // test example with mocha it is possible to return promise
   * it('is async', () => {
   *    return new Promise((resolve, reject) => resolve(10))
   *       .should.be.fulfilledWith(10);
   * });
   */
  Assertion.prototype.fulfilledWith = function(expectedValue) {
    this.params = {operator: 'to be fulfilled with ' + should.format(expectedValue)};

    should(this.obj).be.a.Promise();

    var that = this;
    return this.obj.then(function(value) {
      if (that.negate) {
        that.fail();
      }
      should(value).eql(expectedValue);
      return value;
    }, function next$onError(err) {
      if (!that.negate) {
        that.params.operator += ', but it was rejected with ' + should.format(err);
        that.fail();
      }
      return err;
    });
  };

  /**
   * Assert given promise will be rejected with some sort of error. Arguments is the same for Assertion#throw.
   * Result of assertion is still .thenable and should be handled accordingly.
   *
   * @name rejectedWith
   * @memberOf Assertion
   * @category assertion promises
   * @returns {Promise}
   * @example
   *
   * function failedPromise() {
   *   return new Promise(function(resolve, reject) {
   *     reject(new Error('boom'))
   *   })
   * }
   * failedPromise().should.be.rejectedWith(Error);
   * failedPromise().should.be.rejectedWith('boom');
   * failedPromise().should.be.rejectedWith(/boom/);
   * failedPromise().should.be.rejectedWith(Error, { message: 'boom' });
   * failedPromise().should.be.rejectedWith({ message: 'boom' });
   *
   * // test example with mocha it is possible to return promise
   * it('is async', () => {
   *    return failedPromise().should.be.rejectedWith({ message: 'boom' });
   * });
   */
  Assertion.prototype.rejectedWith = function(message, properties) {
    this.params = {operator: 'to be rejected'};

    should(this.obj).be.a.Promise();

    var that = this;
    return this.obj.then(function(value) {
      if (!that.negate) {
        that.fail();
      }
      return value;
    }, function next$onError(err) {
      if (that.negate) {
        that.fail();
      }

      var errorMatched = true;
      var errorInfo = '';

      if ('string' === typeof message) {
        errorMatched = message === err.message;
      } else if (message instanceof RegExp) {
        errorMatched = message.test(err.message);
      } else if ('function' === typeof message) {
        errorMatched = err instanceof message;
      } else if (message !== null && typeof message === 'object') {
        try {
          should(err).match(message);
        } catch (e) {
          if (e instanceof should.AssertionError) {
            errorInfo = ': ' + e.message;
            errorMatched = false;
          } else {
            throw e;
          }
        }
      }

      if (!errorMatched) {
        if ( typeof message === 'string' || message instanceof RegExp) {
          errorInfo = ' with a message matching ' + should.format(message) + ", but got '" + err.message + "'";
        } else if ('function' === typeof message) {
          errorInfo = ' of type ' + functionName(message) + ', but got ' + functionName(err.constructor);
        }
      } else if ('function' === typeof message && properties) {
        try {
          should(err).match(properties);
        } catch (e) {
          if (e instanceof should.AssertionError) {
            errorInfo = ': ' + e.message;
            errorMatched = false;
          } else {
            throw e;
          }
        }
      }

      that.params.operator += errorInfo;

      that.assert(errorMatched);

      return err;
    });
  };

  /**
   * Assert given object is promise and wrap it in PromisedAssertion, which has all properties of Assertion.
   * That means you can chain as with usual Assertion.
   * Result of assertion is still .thenable and should be handled accordingly.
   *
   * @name finally
   * @memberOf Assertion
   * @alias Assertion#eventually
   * @category assertion promises
   * @returns {PromisedAssertion} Like Assertion, but .then this.obj in Assertion
   * @example
   *
   * (new Promise(function(resolve, reject) { resolve(10); }))
   *    .should.be.eventually.equal(10);
   *
   * // test example with mocha it is possible to return promise
   * it('is async', () => {
   *    return new Promise(resolve => resolve(10))
   *      .should.be.finally.equal(10);
   * });
   */
  Object.defineProperty(Assertion.prototype, 'finally', {
    get: function() {
      should(this.obj).be.a.Promise();

      var that = this;

      return new PromisedAssertion(this.obj.then(function(obj) {
        var a = should(obj);

        a.negate = that.negate;
        a.anyOne = that.anyOne;

        return a;
      }));
    }
  });

  Assertion.alias('finally', 'eventually');
}

/*
 * should.js - assertion library
 * Copyright(c) 2010-2013 TJ Holowaychuk <tj@vision-media.ca>
 * Copyright(c) 2013-2016 Denis Bardadym <bardadymchik@gmail.com>
 * MIT Licensed
 */

function stringAssertions(should, Assertion) {
  /**
   * Assert given string starts with prefix
   * @name startWith
   * @memberOf Assertion
   * @category assertion strings
   * @param {string} str Prefix
   * @param {string} [description] Optional message
   * @example
   *
   * 'abc'.should.startWith('a');
   */
  Assertion.add('startWith', function(str, description) {
    this.params = { operator: 'to start with ' + should.format(str), message: description };

    this.assert(0 === this.obj.indexOf(str));
  });

  /**
   * Assert given string ends with prefix
   * @name endWith
   * @memberOf Assertion
   * @category assertion strings
   * @param {string} str Prefix
   * @param {string} [description] Optional message
   * @example
   *
   * 'abca'.should.endWith('a');
   */
  Assertion.add('endWith', function(str, description) {
    this.params = { operator: 'to end with ' + should.format(str), message: description };

    this.assert(this.obj.indexOf(str, this.obj.length - str.length) >= 0);
  });
}

function containAssertions(should, Assertion) {
  var i = should.format;

  /**
   * Assert that given object contain something that equal to `other`. It uses `should-equal` for equality checks.
   * If given object is array it search that one of elements was equal to `other`.
   * If given object is string it checks if `other` is a substring - expected that `other` is a string.
   * If given object is Object it checks that `other` is a subobject - expected that `other` is a object.
   *
   * @name containEql
   * @memberOf Assertion
   * @category assertion contain
   * @param {*} other Nested object
   * @example
   *
   * [1, 2, 3].should.containEql(1);
   * [{ a: 1 }, 'a', 10].should.containEql({ a: 1 });
   *
   * 'abc'.should.containEql('b');
   * 'ab1c'.should.containEql(1);
   *
   * ({ a: 10, c: { d: 10 }}).should.containEql({ a: 10 });
   * ({ a: 10, c: { d: 10 }}).should.containEql({ c: { d: 10 }});
   * ({ a: 10, c: { d: 10 }}).should.containEql({ b: 10 });
   * // throws AssertionError: expected { a: 10, c: { d: 10 } } to contain { b: 10 }
   * //            expected { a: 10, c: { d: 10 } } to have property b
   */
  Assertion.add('containEql', function(other) {
    this.params = { operator: 'to contain ' + i(other) };

    this.is.not.null().and.not.undefined();

    var obj = this.obj;

    if (typeof obj == 'string') {
      this.assert(obj.indexOf(String(other)) >= 0);
    } else if (shouldTypeAdaptors.isIterable(obj)) {
      this.assert(shouldTypeAdaptors.some(obj, function(v) {
        return eql(v, other).length === 0;
      }));
    } else {
      shouldTypeAdaptors.forEach(other, function(value, key) {
        should(obj).have.value(key, value);
      }, this);
    }
  });

  /**
   * Assert that given object is contain equally structured object on the same depth level.
   * If given object is an array and `other` is an array it checks that the eql elements is going in the same sequence in given array (recursive)
   * If given object is an object it checks that the same keys contain deep equal values (recursive)
   * On other cases it try to check with `.eql`
   *
   * @name containDeepOrdered
   * @memberOf Assertion
   * @category assertion contain
   * @param {*} other Nested object
   * @example
   *
   * [ 1, 2, 3].should.containDeepOrdered([1, 2]);
   * [ 1, 2, [ 1, 2, 3 ]].should.containDeepOrdered([ 1, [ 2, 3 ]]);
   *
   * ({ a: 10, b: { c: 10, d: [1, 2, 3] }}).should.containDeepOrdered({a: 10});
   * ({ a: 10, b: { c: 10, d: [1, 2, 3] }}).should.containDeepOrdered({b: {c: 10}});
   * ({ a: 10, b: { c: 10, d: [1, 2, 3] }}).should.containDeepOrdered({b: {d: [1, 3]}});
   */
  Assertion.add('containDeepOrdered', function(other) {
    this.params = {operator: 'to contain ' + i(other)};

    var obj = this.obj;
    if (typeof obj == 'string') {// expect other to be string
      this.is.equal(String(other));
    } else if (shouldTypeAdaptors.isIterable(obj) && shouldTypeAdaptors.isIterable(other)) {
      var objIterator = shouldTypeAdaptors.iterator(obj);
      var otherIterator = shouldTypeAdaptors.iterator(other);

      var nextObj = objIterator.next();
      var nextOther = otherIterator.next();
      while (!nextObj.done && !nextOther.done) {
        try {
          should(nextObj.value[1]).containDeepOrdered(nextOther.value[1]);
          nextOther = otherIterator.next();
        } catch (e) {
          if (!(e instanceof should.AssertionError)) {
            throw e;
          }
        }
        nextObj = objIterator.next();
      }

      this.assert(nextOther.done);
    } else if (obj != null && other != null && typeof obj == 'object' && typeof other == 'object') {//TODO compare types object contains object case
      shouldTypeAdaptors.forEach(other, function(value, key) {
        should(obj[key]).containDeepOrdered(value);
      });

      // if both objects is empty means we finish traversing - and we need to compare for hidden values
      if (shouldTypeAdaptors.isEmpty(other)) {
        this.eql(other);
      }
    } else {
      this.eql(other);
    }
  });

  /**
   * The same like `Assertion#containDeepOrdered` but all checks on arrays without order.
   *
   * @name containDeep
   * @memberOf Assertion
   * @category assertion contain
   * @param {*} other Nested object
   * @example
   *
   * [ 1, 2, 3].should.containDeep([2, 1]);
   * [ 1, 2, [ 1, 2, 3 ]].should.containDeep([ 1, [ 3, 1 ]]);
   */
  Assertion.add('containDeep', function(other) {
    this.params = {operator: 'to contain ' + i(other)};

    var obj = this.obj;
    if (typeof obj == 'string') {// expect other to be string
      this.is.equal(String(other));
    } else if (shouldTypeAdaptors.isIterable(obj) && shouldTypeAdaptors.isIterable(other)) {
      var usedKeys = {};
      shouldTypeAdaptors.forEach(other, function(otherItem) {
        this.assert(shouldTypeAdaptors.some(obj, function(item, index) {
          if (index in usedKeys) {
            return false;
          }

          try {
            should(item).containDeep(otherItem);
            usedKeys[index] = true;
            return true;
          } catch (e) {
            if (e instanceof should.AssertionError) {
              return false;
            }
            throw e;
          }
        }));
      }, this);
    } else if (obj != null && other != null && typeof obj == 'object' && typeof other == 'object') {// object contains object case
      shouldTypeAdaptors.forEach(other, function(value, key) {
        should(obj[key]).containDeep(value);
      });

      // if both objects is empty means we finish traversing - and we need to compare for hidden values
      if (shouldTypeAdaptors.isEmpty(other)) {
        this.eql(other);
      }
    } else {
      this.eql(other);
    }
  });

}

var aSlice = Array.prototype.slice;

function propertyAssertions(should, Assertion) {
  var i = should.format;
  /**
   * Asserts given object has some descriptor. **On success it change given object to be value of property**.
   *
   * @name propertyWithDescriptor
   * @memberOf Assertion
   * @category assertion property
   * @param {string} name Name of property
   * @param {Object} desc Descriptor like used in Object.defineProperty (not required to add all properties)
   * @example
   *
   * ({ a: 10 }).should.have.propertyWithDescriptor('a', { enumerable: true });
   */
  Assertion.add('propertyWithDescriptor', function(name, desc) {
    this.params = {actual: this.obj, operator: 'to have own property with descriptor ' + i(desc)};
    var obj = this.obj;
    this.have.ownProperty(name);
    should(Object.getOwnPropertyDescriptor(Object(obj), name)).have.properties(desc);
  });

  function processPropsArgs() {
    var args = {};
    if (arguments.length > 1) {
      args.names = aSlice.call(arguments);
    } else {
      var arg = arguments[0];
      if (typeof arg === 'string') {
        args.names = [arg];
      } else if (Array.isArray(arg)) {
        args.names = arg;
      } else {
        args.names = Object.keys(arg);
        args.values = arg;
      }
    }
    return args;
  }


  /**
   * Asserts given object has enumerable property with optionally value. **On success it change given object to be value of property**.
   *
   * @name enumerable
   * @memberOf Assertion
   * @category assertion property
   * @param {string} name Name of property
   * @param {*} [val] Optional property value to check
   * @example
   *
   * ({ a: 10 }).should.have.enumerable('a');
   */
  Assertion.add('enumerable', function(name, val) {
    name = convertPropertyName(name);

    this.params = {
      operator: "to have enumerable property " + formatProp(name) + (arguments.length > 1 ? " equal to " + i(val): "")
    };

    var desc = { enumerable: true };
    if (arguments.length > 1) {
      desc.value = val;
    }
    this.have.propertyWithDescriptor(name, desc);
  });

  /**
   * Asserts given object has enumerable properties
   *
   * @name enumerables
   * @memberOf Assertion
   * @category assertion property
   * @param {Array|...string|Object} names Names of property
   * @example
   *
   * ({ a: 10, b: 10 }).should.have.enumerables('a');
   */
  Assertion.add('enumerables', function(/*names*/) {
    var args = processPropsArgs.apply(null, arguments);

    this.params = {
      operator: "to have enumerables " + args.names.map(formatProp)
    };

    var obj = this.obj;
    args.names.forEach(function(name) {
      should(obj).have.enumerable(name);
    });
  });

  /**
   * Asserts given object has property with optionally value. **On success it change given object to be value of property**.
   *
   * @name property
   * @memberOf Assertion
   * @category assertion property
   * @param {string} name Name of property
   * @param {*} [val] Optional property value to check
   * @example
   *
   * ({ a: 10 }).should.have.property('a');
   */
  Assertion.add('property', function(name, val) {
    name = convertPropertyName(name);
    if (arguments.length > 1) {
      var p = {};
      p[name] = val;
      this.have.properties(p);
    } else {
      this.have.properties(name);
    }
    this.obj = this.obj[name];
  });

  /**
   * Asserts given object has properties. On this method affect .any modifier, which allow to check not all properties.
   *
   * @name properties
   * @memberOf Assertion
   * @category assertion property
   * @param {Array|...string|Object} names Names of property
   * @example
   *
   * ({ a: 10 }).should.have.properties('a');
   * ({ a: 10, b: 20 }).should.have.properties([ 'a' ]);
   * ({ a: 10, b: 20 }).should.have.properties({ b: 20 });
   */
  Assertion.add('properties', function(names) {
    var values = {};
    if (arguments.length > 1) {
      names = aSlice.call(arguments);
    } else if (!Array.isArray(names)) {
      if (typeof names == 'string' || typeof names == 'symbol') {
        names = [names];
      } else {
        values = names;
        names = Object.keys(names);
      }
    }

    var obj = Object(this.obj), missingProperties = [];

    //just enumerate properties and check if they all present
    names.forEach(function(name) {
      if (!(name in obj)) {
        missingProperties.push(formatProp(name));
      }
    });

    var props = missingProperties;
    if (props.length === 0) {
      props = names.map(formatProp);
    } else if (this.anyOne) {
      props = names.filter(function(name) {
        return missingProperties.indexOf(formatProp(name)) < 0;
      }).map(formatProp);
    }

    var operator = (props.length === 1 ?
        'to have property ' : 'to have ' + (this.anyOne ? 'any of ' : '') + 'properties ') + props.join(', ');

    this.params = {obj: this.obj, operator: operator};

    //check that all properties presented
    //or if we request one of them that at least one them presented
    this.assert(missingProperties.length === 0 || (this.anyOne && missingProperties.length != names.length));

    // check if values in object matched expected
    var valueCheckNames = Object.keys(values);
    if (valueCheckNames.length) {
      var wrongValues = [];
      props = [];

      // now check values, as there we have all properties
      valueCheckNames.forEach(function(name) {
        var value = values[name];
        if (eql(obj[name], value).length !== 0) {
          wrongValues.push(formatProp(name) + ' of ' + i(value) + ' (got ' + i(obj[name]) + ')');
        } else {
          props.push(formatProp(name) + ' of ' + i(value));
        }
      });

      if ((wrongValues.length !== 0 && !this.anyOne) || (this.anyOne && props.length === 0)) {
        props = wrongValues;
      }

      operator = (props.length === 1 ?
        'to have property ' : 'to have ' + (this.anyOne ? 'any of ' : '') + 'properties ') + props.join(', ');

      this.params = {obj: this.obj, operator: operator};

      //if there is no not matched values
      //or there is at least one matched
      this.assert(wrongValues.length === 0 || (this.anyOne && wrongValues.length != valueCheckNames.length));
    }
  });

  /**
   * Asserts given object has property `length` with given value `n`
   *
   * @name length
   * @alias Assertion#lengthOf
   * @memberOf Assertion
   * @category assertion property
   * @param {number} n Expected length
   * @param {string} [description] Optional message
   * @example
   *
   * [1, 2].should.have.length(2);
   */
  Assertion.add('length', function(n, description) {
    this.have.property('length', n, description);
  });

  Assertion.alias('length', 'lengthOf');

  /**
   * Asserts given object has own property. **On success it change given object to be value of property**.
   *
   * @name ownProperty
   * @alias Assertion#hasOwnProperty
   * @memberOf Assertion
   * @category assertion property
   * @param {string} name Name of property
   * @param {string} [description] Optional message
   * @example
   *
   * ({ a: 10 }).should.have.ownProperty('a');
   */
  Assertion.add('ownProperty', function(name, description) {
    name = convertPropertyName(name);
    this.params = {
      actual: this.obj,
      operator: 'to have own property ' + formatProp(name),
      message: description
    };

    this.assert(shouldUtil.hasOwnProperty(this.obj, name));

    this.obj = this.obj[name];
  });

  Assertion.alias('ownProperty', 'hasOwnProperty');

  /**
   * Asserts given object is empty. For strings, arrays and arguments it checks .length property, for objects it checks keys.
   *
   * @name empty
   * @memberOf Assertion
   * @category assertion property
   * @example
   *
   * ''.should.be.empty();
   * [].should.be.empty();
   * ({}).should.be.empty();
   */
  Assertion.add('empty', function() {
    this.params = {operator: 'to be empty'};
    this.assert(shouldTypeAdaptors.isEmpty(this.obj));
  }, true);

  /**
   * Asserts given object has such keys. Compared to `properties`, `keys` does not accept Object as a argument.
   * When calling via .key current object in assertion changed to value of this key
   *
   * @name keys
   * @alias Assertion#key
   * @memberOf Assertion
   * @category assertion property
   * @param {...*} keys Keys to check
   * @example
   *
   * ({ a: 10 }).should.have.keys('a');
   * ({ a: 10, b: 20 }).should.have.keys('a', 'b');
   * (new Map([[1, 2]])).should.have.key(1);
   */
  Assertion.add('keys', function(keys) {
    keys = aSlice.call(arguments);

    var obj = Object(this.obj);

    // first check if some keys are missing
    var missingKeys = keys.filter(function(key) {
      return !shouldTypeAdaptors.has(obj, key);
    });

    var verb = 'to have ' + (keys.length === 1 ? 'key ' : 'keys ');

    this.params = {operator: verb + keys.join(', ')};

    if (missingKeys.length > 0) {
      this.params.operator += '\n\tmissing keys: ' + missingKeys.join(', ');
    }

    this.assert(missingKeys.length === 0);
  });


  Assertion.add('key', function(key) {
    this.have.keys(key);
    this.obj = shouldTypeAdaptors.get(this.obj, key);
  });

  /**
   * Asserts given object has such value for given key
   *
   * @name value
   * @memberOf Assertion
   * @category assertion property
   * @param {*} key Key to check
   * @param {*} value Value to check
   * @example
   *
   * ({ a: 10 }).should.have.value('a', 10);
   * (new Map([[1, 2]])).should.have.value(1, 2);
   */
  Assertion.add('value', function(key, value) {
    this.have.key(key).which.is.eql(value);
  });

  /**
   * Asserts given object has such size.
   *
   * @name size
   * @memberOf Assertion
   * @category assertion property
   * @param {number} s Size to check
   * @example
   *
   * ({ a: 10 }).should.have.size(1);
   * (new Map([[1, 2]])).should.have.size(1);
   */
  Assertion.add('size', function(s) {
    this.params = { operator: 'to have size ' + s };
    shouldTypeAdaptors.size(this.obj).should.be.exactly(s);
  });

  /**
   * Asserts given object has nested property in depth by path. **On success it change given object to be value of final property**.
   *
   * @name propertyByPath
   * @memberOf Assertion
   * @category assertion property
   * @param {Array|...string} properties Properties path to search
   * @example
   *
   * ({ a: {b: 10}}).should.have.propertyByPath('a', 'b').eql(10);
   */
  Assertion.add('propertyByPath', function(properties) {
    if (arguments.length > 1) {
      properties = aSlice.call(arguments);
    } else if (arguments.length === 1 && typeof properties == 'string') {
      properties = [properties];
    } else if (arguments.length === 0) {
      properties = [];
    }

    var allProps = properties.map(formatProp);

    properties = properties.map(String);

    var obj = should(Object(this.obj));

    var foundProperties = [];

    var currentProperty;
    while (properties.length) {
      currentProperty = properties.shift();
      this.params = {operator: 'to have property by path ' + allProps.join(', ') + ' - failed on ' + formatProp(currentProperty)};
      obj = obj.have.property(currentProperty);
      foundProperties.push(currentProperty);
    }

    this.params = {obj: this.obj, operator: 'to have property by path ' + allProps.join(', ')};

    this.obj = obj.obj;
  });
}

function errorAssertions(should, Assertion) {
  var i = should.format;

  /**
   * Assert given function throws error with such message.
   *
   * @name throw
   * @memberOf Assertion
   * @category assertion errors
   * @alias Assertion#throwError
   * @param {string|RegExp|Function|Object|GeneratorFunction|GeneratorObject} [message] Message to match or properties
   * @param {Object} [properties] Optional properties that will be matched to thrown error
   * @example
   *
   * (function(){ throw new Error('fail') }).should.throw();
   * (function(){ throw new Error('fail') }).should.throw('fail');
   * (function(){ throw new Error('fail') }).should.throw(/fail/);
   *
   * (function(){ throw new Error('fail') }).should.throw(Error);
   * var error = new Error();
   * error.a = 10;
   * (function(){ throw error; }).should.throw(Error, { a: 10 });
   * (function(){ throw error; }).should.throw({ a: 10 });
   * (function*() {
   *   yield throwError();
   * }).should.throw();
   */
  Assertion.add('throw', function(message, properties) {
    var fn = this.obj;
    var err = {};
    var errorInfo = '';
    var thrown = false;

    if (shouldUtil.isGeneratorFunction(fn)) {
      return should(fn()).throw(message, properties);
    } else if (shouldUtil.isIterator(fn)) {
      return should(fn.next.bind(fn)).throw(message, properties);
    }

    this.is.a.Function();

    var errorMatched = true;

    try {
      fn();
    } catch (e) {
      thrown = true;
      err = e;
    }

    if (thrown) {
      if (message) {
        if ('string' == typeof message) {
          errorMatched = message == err.message;
        } else if (message instanceof RegExp) {
          errorMatched = message.test(err.message);
        } else if ('function' == typeof message) {
          errorMatched = err instanceof message;
        } else if (null != message) {
          try {
            should(err).match(message);
          } catch (e) {
            if (e instanceof should.AssertionError) {
              errorInfo = ": " + e.message;
              errorMatched = false;
            } else {
              throw e;
            }
          }
        }

        if (!errorMatched) {
          if ('string' == typeof message || message instanceof RegExp) {
            errorInfo = " with a message matching " + i(message) + ", but got '" + err.message + "'";
          } else if ('function' == typeof message) {
            errorInfo = " of type " + functionName(message) + ", but got " + functionName(err.constructor);
          }
        } else if ('function' == typeof message && properties) {
          try {
            should(err).match(properties);
          } catch (e) {
            if (e instanceof should.AssertionError) {
              errorInfo = ": " + e.message;
              errorMatched = false;
            } else {
              throw e;
            }
          }
        }
      } else {
        errorInfo = " (got " + i(err) + ")";
      }
    }

    this.params = { operator: 'to throw exception' + errorInfo };

    this.assert(thrown);
    this.assert(errorMatched);
  });

  Assertion.alias('throw', 'throwError');
}

function matchingAssertions(should, Assertion) {
  var i = should.format;

  /**
   * Asserts if given object match `other` object, using some assumptions:
   * First object matched if they are equal,
   * If `other` is a regexp and given object is a string check on matching with regexp
   * If `other` is a regexp and given object is an array check if all elements matched regexp
   * If `other` is a regexp and given object is an object check values on matching regexp
   * If `other` is a function check if this function throws AssertionError on given object or return false - it will be assumed as not matched
   * If `other` is an object check if the same keys matched with above rules
   * All other cases failed.
   *
   * Usually it is right idea to add pre type assertions, like `.String()` or `.Object()` to be sure assertions will do what you are expecting.
   * Object iteration happen by keys (properties with enumerable: true), thus some objects can cause small pain. Typical example is js
   * Error - it by default has 2 properties `name` and `message`, but they both non-enumerable. In this case make sure you specify checking props (see examples).
   *
   * @name match
   * @memberOf Assertion
   * @category assertion matching
   * @param {*} other Object to match
   * @param {string} [description] Optional message
   * @example
   * 'foobar'.should.match(/^foo/);
   * 'foobar'.should.not.match(/^bar/);
   *
   * ({ a: 'foo', c: 'barfoo' }).should.match(/foo$/);
   *
   * ['a', 'b', 'c'].should.match(/[a-z]/);
   *
   * (5).should.not.match(function(n) {
   *   return n < 0;
   * });
   * (5).should.not.match(function(it) {
   *    it.should.be.an.Array();
   * });
   * ({ a: 10, b: 'abc', c: { d: 10 }, d: 0 }).should
   * .match({ a: 10, b: /c$/, c: function(it) {
   *    return it.should.have.property('d', 10);
   * }});
   *
   * [10, 'abc', { d: 10 }, 0].should
   * .match({ '0': 10, '1': /c$/, '2': function(it) {
   *    return it.should.have.property('d', 10);
   * }});
   *
   * var myString = 'abc';
   *
   * myString.should.be.a.String().and.match(/abc/);
   *
   * myString = {};
   *
   * myString.should.match(/abc/); //yes this will pass
   * //better to do
   * myString.should.be.an.Object().and.not.empty().and.match(/abc/);//fixed
   *
   * (new Error('boom')).should.match(/abc/);//passed because no keys
   * (new Error('boom')).should.not.match({ message: /abc/ });//check specified property
   */
  Assertion.add('match', function(other, description) {
    this.params = {operator: 'to match ' + i(other), message: description};

    if (eql(this.obj, other).length !== 0) {
      if (other instanceof RegExp) { // something - regex

        if (typeof this.obj == 'string') {

          this.assert(other.exec(this.obj));
        } else if (null != this.obj && typeof this.obj == 'object') {

          var notMatchedProps = [], matchedProps = [];
          shouldTypeAdaptors.forEach(this.obj, function(value, name) {
            if (other.exec(value)) {
              matchedProps.push(formatProp(name));
            } else {
              notMatchedProps.push(formatProp(name) + ' (' + i(value) + ')');
            }
          }, this);

          if (notMatchedProps.length) {
            this.params.operator += '\n    not matched properties: ' + notMatchedProps.join(', ');
          }
          if (matchedProps.length) {
            this.params.operator += '\n    matched properties: ' + matchedProps.join(', ');
          }

          this.assert(notMatchedProps.length === 0);
        } // should we try to convert to String and exec?
      } else if (typeof other == 'function') {
        var res;

        res = other(this.obj);

        //if we throw exception ok - it is used .should inside
        if (typeof res == 'boolean') {
          this.assert(res); // if it is just boolean function assert on it
        }
      } else if (other != null && this.obj != null && typeof other == 'object' && typeof this.obj == 'object') { // try to match properties (for Object and Array)
        notMatchedProps = [];
        matchedProps = [];

        shouldTypeAdaptors.forEach(other, function(value, key) {
          try {
            should(this.obj).have.property(key).which.match(value);
            matchedProps.push(formatProp(key));
          } catch (e) {
            if (e instanceof should.AssertionError) {
              notMatchedProps.push(formatProp(key) + ' (' + i(this.obj[key]) + ')');
            } else {
              throw e;
            }
          }
        }, this);

        if (notMatchedProps.length) {
          this.params.operator += '\n    not matched properties: ' + notMatchedProps.join(', ');
        }
        if (matchedProps.length) {
          this.params.operator += '\n    matched properties: ' + matchedProps.join(', ');
        }

        this.assert(notMatchedProps.length === 0);
      } else {
        this.assert(false);
      }
    }
  });

  /**
   * Asserts if given object values or array elements all match `other` object, using some assumptions:
   * First object matched if they are equal,
   * If `other` is a regexp - matching with regexp
   * If `other` is a function check if this function throws AssertionError on given object or return false - it will be assumed as not matched
   * All other cases check if this `other` equal to each element
   *
   * @name matchEach
   * @memberOf Assertion
   * @category assertion matching
   * @alias Assertion#matchEvery
   * @param {*} other Object to match
   * @param {string} [description] Optional message
   * @example
   * [ 'a', 'b', 'c'].should.matchEach(/\w+/);
   * [ 'a', 'a', 'a'].should.matchEach('a');
   *
   * [ 'a', 'a', 'a'].should.matchEach(function(value) { value.should.be.eql('a') });
   *
   * { a: 'a', b: 'a', c: 'a' }.should.matchEach(function(value) { value.should.be.eql('a') });
   */
  Assertion.add('matchEach', function(other, description) {
    this.params = {operator: 'to match each ' + i(other), message: description};

    shouldTypeAdaptors.forEach(this.obj, function(value) {
      should(value).match(other);
    }, this);
  });

  /**
  * Asserts if any of given object values or array elements match `other` object, using some assumptions:
  * First object matched if they are equal,
  * If `other` is a regexp - matching with regexp
  * If `other` is a function check if this function throws AssertionError on given object or return false - it will be assumed as not matched
  * All other cases check if this `other` equal to each element
  *
  * @name matchAny
  * @memberOf Assertion
  * @category assertion matching
  * @param {*} other Object to match
  * @alias Assertion#matchSome
  * @param {string} [description] Optional message
  * @example
  * [ 'a', 'b', 'c'].should.matchAny(/\w+/);
  * [ 'a', 'b', 'c'].should.matchAny('a');
  *
  * [ 'a', 'b', 'c'].should.matchAny(function(value) { value.should.be.eql('a') });
  *
  * { a: 'a', b: 'b', c: 'c' }.should.matchAny(function(value) { value.should.be.eql('a') });
  */
  Assertion.add('matchAny', function(other, description) {
    this.params = {operator: 'to match any ' + i(other), message: description};

    this.assert(shouldTypeAdaptors.some(this.obj, function(value) {
      try {
        should(value).match(other);
        return true;
      } catch (e) {
        if (e instanceof should.AssertionError) {
          // Caught an AssertionError, return false to the iterator
          return false;
        }
        throw e;
      }
    }));
  });

  Assertion.alias('matchAny', 'matchSome');
  Assertion.alias('matchEach', 'matchEvery');
}

/**
 * Our function should
 *
 * @param {*} obj Object to assert
 * @returns {should.Assertion} Returns new Assertion for beginning assertion chain
 * @example
 *
 * var should = require('should');
 * should('abc').be.a.String();
 */
function should(obj) {
  return (new Assertion(obj));
}

should.AssertionError = AssertionError;
should.Assertion = Assertion;

// exposing modules dirty way
should.modules = {
  format: sformat,
  type: getType,
  equal: eql
};
should.format = format;

/**
 * Object with configuration.
 * It contains such properties:
 * * `checkProtoEql` boolean - Affect if `.eql` will check objects prototypes
 * * `plusZeroAndMinusZeroEqual` boolean - Affect if `.eql` will treat +0 and -0 as equal
 * Also it can contain options for should-format.
 *
 * @type {Object}
 * @memberOf should
 * @static
 * @example
 *
 * var a = { a: 10 }, b = Object.create(null);
 * b.a = 10;
 *
 * a.should.be.eql(b);
 * //not throws
 *
 * should.config.checkProtoEql = true;
 * a.should.be.eql(b);
 * //throws AssertionError: expected { a: 10 } to equal { a: 10 } (because A and B have different prototypes)
 */
should.config = config;

/**
 * Allow to extend given prototype with should property using given name. This getter will **unwrap** all standard wrappers like `Number`, `Boolean`, `String`.
 * Using `should(obj)` is the equivalent of using `obj.should` with known issues (like nulls and method calls etc).
 *
 * To add new assertions, need to use Assertion.add method.
 *
 * @param {string} [propertyName] Name of property to add. Default is `'should'`.
 * @param {Object} [proto] Prototype to extend with. Default is `Object.prototype`.
 * @memberOf should
 * @returns {{ name: string, descriptor: Object, proto: Object }} Descriptor enough to return all back
 * @static
 * @example
 *
 * var prev = should.extend('must', Object.prototype);
 *
 * 'abc'.must.startWith('a');
 *
 * var should = should.noConflict(prev);
 * should.not.exist(Object.prototype.must);
 */
should.extend = function(propertyName, proto) {
  propertyName = propertyName || 'should';
  proto = proto || Object.prototype;

  var prevDescriptor = Object.getOwnPropertyDescriptor(proto, propertyName);

  Object.defineProperty(proto, propertyName, {
    set: function() {
    },
    get: function() {
      return should(isWrapperType(this) ? this.valueOf() : this);
    },
    configurable: true
  });

  return { name: propertyName, descriptor: prevDescriptor, proto: proto };
};

/**
 * Delete previous extension. If `desc` missing it will remove default extension.
 *
 * @param {{ name: string, descriptor: Object, proto: Object }} [desc] Returned from `should.extend` object
 * @memberOf should
 * @returns {Function} Returns should function
 * @static
 * @example
 *
 * var should = require('should').noConflict();
 *
 * should(Object.prototype).not.have.property('should');
 *
 * var prev = should.extend('must', Object.prototype);
 * 'abc'.must.startWith('a');
 * should.noConflict(prev);
 *
 * should(Object.prototype).not.have.property('must');
 */
should.noConflict = function(desc) {
  desc = desc || should._prevShould;

  if (desc) {
    delete desc.proto[desc.name];

    if (desc.descriptor) {
      Object.defineProperty(desc.proto, desc.name, desc.descriptor);
    }
  }
  return should;
};

/**
 * Simple utility function for a bit more easier should assertion extension
 * @param {Function} f So called plugin function. It should accept 2 arguments: `should` function and `Assertion` constructor
 * @memberOf should
 * @returns {Function} Returns `should` function
 * @static
 * @example
 *
 * should.use(function(should, Assertion) {
 *   Assertion.add('asset', function() {
 *      this.params = { operator: 'to be asset' };
 *
 *      this.obj.should.have.property('id').which.is.a.Number();
 *      this.obj.should.have.property('path');
 *  })
 * })
 */
should.use = function(f) {
  f(should, should.Assertion);
  return this;
};

should
  .use(assertExtensions)
  .use(chainAssertions)
  .use(booleanAssertions)
  .use(numberAssertions)
  .use(equalityAssertions)
  .use(typeAssertions)
  .use(stringAssertions)
  .use(propertyAssertions)
  .use(errorAssertions)
  .use(matchingAssertions)
  .use(containAssertions)
  .use(promiseAssertions);

module.exports = should;
},{"should-equal":305,"should-format":306,"should-type":308,"should-type-adaptors":307,"should-util":309}],311:[function(require,module,exports){
var should = require('./cjs/should');

var defaultProto = Object.prototype;
var defaultProperty = 'should';

//Expose api via `Object#should`.
try {
  var prevShould = should.extend(defaultProperty, defaultProto);
  should._prevShould = prevShould;
} catch(e) {
  //ignore errors
}

module.exports = should;

},{"./cjs/should":310}],312:[function(require,module,exports){
'use strict';

var convert = require('..');
var Big = require('big.js');
var should = require('should');

describe('Convert', function () {
    it('should default to returning a Number', function () {
        convert(2, 'BTC', 'BTC').should.be.a.Number().and.equal(2);
    });

    it('should return a Number', function () {
        convert(2, 'BTC', 'BTC', 'Number').should.be.a.Number().and.equal(2);
    });

    it('should return a Big number', function () {
        convert(2, 'BTC', 'BTC', 'Big').should.be.an.instanceof(Big).and.eql(new Big(2));
    });

    it('should return a String', function () {
        convert(2100, 'mBTC', 'BTC', 'String').should.be.an.instanceof(String).and.equal('2.1');
    });

    it('should convert an integer', function () {
        convert(123456789012345, 'Satoshi', 'BTC', 'Number').should.be.a.Number().and.equal(1234567.89012345);
    });

    it('should convert a number', function () {
        convert(1234567.89012345, 'BTC', 'Satoshi', 'Number').should.be.a.Number().and.equal(123456789012345);
    });

    it('should convert a string', function () {
        convert('2', 'BTC', 'BTC', 'Number').should.be.a.Number().and.equal(2);
    });

    it('should convert a Big number', function () {
        convert(new Big(2), 'BTC', 'BTC', 'Number').should.be.a.Number().and.equal(2);
    });

    it('should convert a NaN to a Number', function () {
        Number.isNaN(convert(NaN, 'BTC', 'BTC', 'Number')).should.equal(true);
        Number.isNaN(convert(NaN, 'BTC', 'mBTC', 'Number')).should.equal(true);
    });

    it('should convert a NaN to a String', function () {
        convert(NaN, 'BTC', 'BTC', 'String').should.equal('NaN');
        convert(NaN, 'BTC', 'mBTC', 'String').should.equal('NaN');
    });

    it('should not convert a NaN to a Big', function () {
        should.throws(function () {
            return convert(NaN, 'BTC', 'BTC', 'Big');
        });
    });

    it('should handle rounding errors', function () {
        convert(4.6, 'Satoshi', 'BTC', 'Number').should.be.a.Number().and.equal(0.000000046);
        convert(0.000000046, 'BTC', 'Satoshi', 'Number').should.be.a.Number().and.equal(4.6);
    });

    it('should throw when unit is undefined', function () {
        should.throws(function () {
            return convert(new Big(2), 'x', 'BTC', 'Number');
        });
        should.throws(function () {
            return convert(new Big(2), 'BTC', 'x', 'Number');
        });
    });

    it('should throw when representaion is undefined', function () {
        should.throws(function () {
            return convert(2, 'BTC', 'mBTC', 'x');
        });
    });

    it('should allow unit aliases', function () {
        convert(4.6, 'Satoshi', 'sat').should.be.a.Number().and.equal(4.6);
        convert(4.6, 'μBTC', 'bit').should.be.a.Number().and.equal(4.6);
    });
});

},{"..":1,"big.js":5,"should":311}],313:[function(require,module,exports){
'use strict';

var convert = require('..');
var should = require('should');

describe('Units', function () {
    it('should be array', function () {
        var units = convert.units();
        units.should.be.an.Array();
        units.should.containEql('BTC');
        units.should.containEql('mBTC');
        units.should.containEql('μBTC');
        units.should.containEql('Satoshi');
    });

    describe('extensibility', function () {
        it('should add a new unit', function () {
            convert.units().should.not.containEql('finney');
            convert.addUnit('finney', 0.0000001);
            convert.units().should.containEql('finney');
            // 10 satoshis can be expressed as 1 finney
            convert(20, 'Satoshi', 'finney').should.equal(2);
            convert.removeUnit('finney');
        });

        it('should not add an existing unit with a different conversion factor', function () {
            convert.units().should.containEql('BTC');
            convert.addUnit('BTC', 1);
            should.throws(function () {
                return convert.addUnit('BTC', 3);
            });
        });

        it('should remove a new unit', function () {
            convert.units().should.not.containEql('finney');
            convert.addUnit('finney', 0.0000001);
            convert.units().should.containEql('finney');
            convert.removeUnit('finney');
            convert.units().should.not.containEql('finney');
        });

        it('should remove a non-existent unit', function () {
            convert.units().should.not.containEql('x');
            convert.removeUnit('x');
            convert.units().should.not.containEql('x');
        });

        it('should not remove a predefined unit', function () {
            convert.units().should.containEql('BTC');
            should.throws(function () {
                return convert.removeUnit('BTC');
            });
        });
    });
});

},{"..":1,"should":311}]},{},[312,313])(313)
});