Passed
Pull Request — master (#57)
by Salim
19:50
created

es6-shim.min.js ➔ stringify   F

Complexity

Conditions 23

Size

Total Lines 1
Code Lines 1

Duplication

Lines 1
Ratio 100 %

Importance

Changes 0
Metric Value
cc 23
eloc 1
c 0
b 0
f 0
dl 1
loc 1
rs 0

How to fix   Complexity   

Complexity

Complex classes like es6-shim.min.js ➔ stringify often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.

Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.

1
/*!
2
 * https://github.com/paulmillr/es6-shim
3
 * @license es6-shim Copyright 2013-2016 by Paul Miller (http://paulmillr.com)
4
 *   and contributors,  MIT License
5
 * es6-shim: v0.35.4
6
 * see https://github.com/paulmillr/es6-shim/blob/0.35.3/LICENSE
7
 * Details and documentation:
8
 * https://github.com/paulmillr/es6-shim/
9
 */
10 View Code Duplication
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t=E(this,arguments);if(t===0&&1/t<0){return 0}return t},true)}Me(Array.prototype,function(){return this.values()});if(Object.getPrototypeOf){Me(Object.getPrototypeOf([].values()))}var rt=function(){return a(function(){return Array.from({length:-1}).length===0})}();var nt=function(){var e=Array.from([0].entries());return e.length===1&&r(e[0])&&e[0][0]===0&&e[0][1]===0}();if(!rt||!nt){ne(Array,"from",Ye.from)}var ot=function(){return a(function(){return Array.from([0],void 0)})}();if(!ot){var it=Array.from;ne(Array,"from",function from(e){if(arguments.length>1&&typeof arguments[1]!=="undefined"){return ce.Call(it,this,arguments)}else{return t(it,this,e)}})}var at=-(Math.pow(2,32)-1);var ut=function(e,r){var n={length:at};n[r?(n.length>>>0)-1:0]=true;return a(function(){t(e,n,function(){throw new RangeError("should not reach here")},[]);return true})};if(!ut(Array.prototype.forEach)){var ft=Array.prototype.forEach;ne(Array.prototype,"forEach",function forEach(e){return ce.Call(ft,this.length>=0?this:[],arguments)},true)}if(!ut(Array.prototype.map)){var st=Array.prototype.map;ne(Array.prototype,"map",function map(e){return ce.Call(st,this.length>=0?this:[],arguments)},true)}if(!ut(Array.prototype.filter)){var ct=Array.prototype.filter;ne(Array.prototype,"filter",function filter(e){return ce.Call(ct,this.length>=0?this:[],arguments)},true)}if(!ut(Array.prototype.some)){var lt=Array.prototype.some;ne(Array.prototype,"some",function some(e){return ce.Call(lt,this.length>=0?this:[],arguments)},true)}if(!ut(Array.prototype.every)){var pt=Array.prototype.every;ne(Array.prototype,"every",function every(e){return ce.Call(pt,this.length>=0?this:[],arguments)},true)}if(!ut(Array.prototype.reduce)){var vt=Array.prototype.reduce;ne(Array.prototype,"reduce",function reduce(e){return ce.Call(vt,this.length>=0?this:[],arguments)},true)}if(!ut(Array.prototype.reduceRight,true)){var yt=Array.prototype.reduceRight;ne(Array.prototype,"reduceRight",function reduceRight(e){return ce.Call(yt,this.length>=0?this:[],arguments)},true)}var ht=Number("0o10")!==8;var bt=Number("0b10")!==2;var gt=y(Ue,function(e){return Number(e+0+e)===0});if(ht||bt||gt){var dt=Number;var mt=/^0b[01]+$/i;var Ot=/^0o[0-7]+$/i;var wt=mt.test.bind(mt);var jt=Ot.test.bind(Ot);var St=function(e){var t;if(typeof e.valueOf==="function"){t=e.valueOf();if(re.primitive(t)){return t}}if(typeof e.toString==="function"){t=e.toString();if(re.primitive(t)){return t}}throw new TypeError("No default value")};var Tt=$e.test.bind($e);var It=Je.test.bind(Je);var Et=function(){var e=function Number(t){var r;if(arguments.length>0){r=re.primitive(t)?t:St(t,"number")}else{r=0}if(typeof r==="string"){r=ce.Call(Be,r);if(wt(r)){r=parseInt(C(r,2),2)}else if(jt(r)){r=parseInt(C(r,2),8)}else if(Tt(r)||It(r)){r=NaN}}var n=this;var o=a(function(){dt.prototype.valueOf.call(n);return true});if(n instanceof e&&!o){return new dt(r)}return dt(r)};return e}();Ee(dt,Et,{});b(Et,{NaN:dt.NaN,MAX_VALUE:dt.MAX_VALUE,MIN_VALUE:dt.MIN_VALUE,NEGATIVE_INFINITY:dt.NEGATIVE_INFINITY,POSITIVE_INFINITY:dt.POSITIVE_INFINITY});Number=Et;m.redefine(S,"Number",Et)}var Pt=Math.pow(2,53)-1;b(Number,{MAX_SAFE_INTEGER:Pt,MIN_SAFE_INTEGER:-Pt,EPSILON:2.220446049250313e-16,parseInt:S.parseInt,parseFloat:S.parseFloat,isFinite:K,isInteger:function isInteger(e){return K(e)&&ce.ToInteger(e)===e},isSafeInteger:function isSafeInteger(e){return Number.isInteger(e)&&k(e)<=Number.MAX_SAFE_INTEGER},isNaN:X});h(Number,"parseInt",S.parseInt,Number.parseInt!==S.parseInt);if([,1].find(function(){return true})===1){ne(Array.prototype,"find",et.find)}if([,1].findIndex(function(){return true})!==0){ne(Array.prototype,"findIndex",et.findIndex)}var Ct=Function.bind.call(Function.bind,Object.prototype.propertyIsEnumerable);var Mt=function ensureEnumerable(e,t){if(s&&Ct(e,t)){Object.defineProperty(e,t,{enumerable:false})}};var xt=function sliceArgs(){var e=Number(this);var t=arguments.length;var r=t-e;var n=new Array(r<0?0:r);for(var o=e;o<t;++o){n[o-e]=arguments[o]}return n};var Nt=function assignTo(e){return function assignToSource(t,r){t[r]=e[r];return t}};var At=function(e,t){var r=n(Object(t));var o;if(ce.IsCallable(Object.getOwnPropertySymbols)){o=v(Object.getOwnPropertySymbols(Object(t)),Ct(t))}return p(P(r,o||[]),Nt(t),e)};var Rt={assign:function(e,t){var r=ce.ToObject(e,"Cannot convert undefined or null to object");return p(ce.Call(xt,1,arguments),At,r)},is:function is(e,t){return ce.SameValue(e,t)}};var _t=Object.assign&&Object.preventExtensions&&function(){var e=Object.preventExtensions({1:2});try{Object.assign(e,"xy")}catch(t){return e[1]==="y"}}();if(_t){ne(Object,"assign",Rt.assign)}b(Object,Rt);if(s){var kt={setPrototypeOf:function(e,r){var n;var o=function(e,t){if(!ce.TypeIsObject(e)){throw new TypeError("cannot set prototype on a non-object")}if(!(t===null||ce.TypeIsObject(t))){throw new TypeError("can only set prototype to an object or null"+t)}};var i=function(e,r){o(e,r);t(n,e,r);return e};try{n=e.getOwnPropertyDescriptor(e.prototype,r).set;t(n,{},null)}catch(a){if(e.prototype!=={}[r]){return}n=function(e){this[r]=e};i.polyfill=i(i({},null),e.prototype)instanceof e}return i}(Object,"__proto__")};b(Object,kt)}if(Object.setPrototypeOf&&Object.getPrototypeOf&&Object.getPrototypeOf(Object.setPrototypeOf({},null))!==null&&Object.getPrototypeOf(Object.create(null))===null){(function(){var e=Object.create(null);var t=Object.getPrototypeOf;var r=Object.setPrototypeOf;Object.getPrototypeOf=function(r){var n=t(r);return n===e?null:n};Object.setPrototypeOf=function(t,n){var o=n===null?e:n;return r(t,o)};Object.setPrototypeOf.polyfill=false})()}var Lt=!i(function(){return Object.keys("foo")});if(!Lt){var Ft=Object.keys;ne(Object,"keys",function keys(e){return Ft(ce.ToObject(e))});n=Object.keys}var Dt=i(function(){return Object.keys(/a/g)});if(Dt){var zt=Object.keys;ne(Object,"keys",function keys(e){if(re.regex(e)){var t=[];for(var r in e){if(z(e,r)){M(t,r)}}return t}return zt(e)});n=Object.keys}if(Object.getOwnPropertyNames){var qt=!i(function(){return Object.getOwnPropertyNames("foo")});if(!qt){var Wt=typeof window==="object"?Object.getOwnPropertyNames(window):[];var Gt=Object.getOwnPropertyNames;ne(Object,"getOwnPropertyNames",function getOwnPropertyNames(e){var t=ce.ToObject(e);if(g(t)==="[object Window]"){try{return Gt(t)}catch(r){return P([],Wt)}}return Gt(t)})}}if(Object.getOwnPropertyDescriptor){var Ht=!i(function(){return Object.getOwnPropertyDescriptor("foo","bar")});if(!Ht){var Vt=Object.getOwnPropertyDescriptor;ne(Object,"getOwnPropertyDescriptor",function getOwnPropertyDescriptor(e,t){return Vt(ce.ToObject(e),t)})}}if(Object.seal){var Bt=!i(function(){return Object.seal("foo")});if(!Bt){var Ut=Object.seal;ne(Object,"seal",function seal(e){if(!ce.TypeIsObject(e)){return e}return Ut(e)})}}if(Object.isSealed){var $t=!i(function(){return Object.isSealed("foo")});if(!$t){var Jt=Object.isSealed;ne(Object,"isSealed",function isSealed(e){if(!ce.TypeIsObject(e)){return true}return Jt(e)})}}if(Object.freeze){var Xt=!i(function(){return Object.freeze("foo")});if(!Xt){var Kt=Object.freeze;ne(Object,"freeze",function freeze(e){if(!ce.TypeIsObject(e)){return e}return Kt(e)})}}if(Object.isFrozen){var Zt=!i(function(){return Object.isFrozen("foo")});if(!Zt){var Yt=Object.isFrozen;ne(Object,"isFrozen",function isFrozen(e){if(!ce.TypeIsObject(e)){return true}return Yt(e)})}}if(Object.preventExtensions){var Qt=!i(function(){return Object.preventExtensions("foo")});if(!Qt){var er=Object.preventExtensions;ne(Object,"preventExtensions",function preventExtensions(e){if(!ce.TypeIsObject(e)){return e}return er(e)})}}if(Object.isExtensible){var tr=!i(function(){return Object.isExtensible("foo")});if(!tr){var rr=Object.isExtensible;ne(Object,"isExtensible",function isExtensible(e){if(!ce.TypeIsObject(e)){return false}return rr(e)})}}if(Object.getPrototypeOf){var nr=!i(function(){return Object.getPrototypeOf("foo")});if(!nr){var or=Object.getPrototypeOf;ne(Object,"getPrototypeOf",function getPrototypeOf(e){return or(ce.ToObject(e))})}}var ir=s&&function(){var e=Object.getOwnPropertyDescriptor(RegExp.prototype,"flags");return e&&ce.IsCallable(e.get)}();if(s&&!ir){var ar=function flags(){if(!ce.TypeIsObject(this)){throw new TypeError("Method called on incompatible type: must be an object.")}var e="";if(this.global){e+="g"}if(this.ignoreCase){e+="i"}if(this.multiline){e+="m"}if(this.unicode){e+="u"}if(this.sticky){e+="y"}return e};m.getter(RegExp.prototype,"flags",ar)}var ur=s&&a(function(){return String(new RegExp(/a/g,"i"))==="/a/i"});var fr=oe&&s&&function(){var e=/./;e[$.match]=false;return RegExp(e)===e}();var sr=a(function(){return RegExp.prototype.toString.call({source:"abc"})==="/abc/"});var cr=sr&&a(function(){return RegExp.prototype.toString.call({source:"a",flags:"b"})==="/a/b"});if(!sr||!cr){var lr=RegExp.prototype.toString;h(RegExp.prototype,"toString",function toString(){var e=ce.RequireObjectCoercible(this);if(re.regex(e)){return t(lr,e)}var r=ue(e.source);var n=ue(e.flags);return"/"+r+"/"+n},true);m.preserveToString(RegExp.prototype.toString,lr)}if(s&&(!ur||fr)){var pr=Object.getOwnPropertyDescriptor(RegExp.prototype,"flags").get;var vr=Object.getOwnPropertyDescriptor(RegExp.prototype,"source")||{};var yr=function(){return this.source};var hr=ce.IsCallable(vr.get)?vr.get:yr;var br=RegExp;var gr=function(){return function RegExp(e,t){var r=ce.IsRegExp(e);var n=this instanceof RegExp;if(!n&&r&&typeof t==="undefined"&&e.constructor===RegExp){return e}var o=e;var i=t;if(re.regex(e)){o=ce.Call(hr,e);i=typeof t==="undefined"?ce.Call(pr,e):t;return new RegExp(o,i)}else if(r){o=e.source;i=typeof t==="undefined"?e.flags:t}return new br(e,t)}}();Ee(br,gr,{$input:true});RegExp=gr;m.redefine(S,"RegExp",gr)}if(s){var dr={input:"$_",lastMatch:"$&",lastParen:"$+",leftContext:"$`",rightContext:"$'"};l(n(dr),function(e){if(e in RegExp&&!(dr[e]in RegExp)){m.getter(RegExp,dr[e],function get(){return RegExp[e]})}})}Ce(RegExp);var mr=1/Number.EPSILON;var Or=function roundTiesToEven(e){return e+mr-mr};var wr=Math.pow(2,-23);var jr=Math.pow(2,127)*(2-wr);var Sr=Math.pow(2,-126);var Tr=Math.E;var Ir=Math.LOG2E;var Er=Math.LOG10E;var Pr=Number.prototype.clz;delete Number.prototype.clz;var Cr={acosh:function acosh(e){var t=Number(e);if(X(t)||e<1){return NaN}if(t===1){return 0}if(t===Infinity){return t}var r=1/(t*t);if(t<2){return Y(t-1+D(1-r)*t)}var n=t/2;return Y(n+D(1-r)*n-1)+1/Ir},asinh:function asinh(e){var t=Number(e);if(t===0||!T(t)){return t}var r=k(t);var n=r*r;var o=Z(t);if(r<1){return o*Y(r+n/(D(n+1)+1))}return o*(Y(r/2+D(1+1/n)*r/2-1)+1/Ir)},atanh:function atanh(e){var t=Number(e);if(t===0){return t}if(t===-1){return-Infinity}if(t===1){return Infinity}if(X(t)||t<-1||t>1){return NaN}var r=k(t);return Z(t)*Y(2*r/(1-r))/2},cbrt:function cbrt(e){var t=Number(e);if(t===0){return t}var r=t<0;var n;if(r){t=-t}if(t===Infinity){n=Infinity}else{n=L(F(t)/3);n=(t/(n*n)+2*n)/3}return r?-n:n},clz32:function clz32(e){var t=Number(e);var r=ce.ToUint32(t);if(r===0){return 32}return Pr?ce.Call(Pr,r):31-_(F(r+.5)*Ir)},cosh:function cosh(e){var t=Number(e);if(t===0){return 1}if(X(t)){return NaN}if(!T(t)){return Infinity}var r=L(k(t)-1);return(r+1/(r*Tr*Tr))*(Tr/2)},expm1:function expm1(e){var t=Number(e);if(t===-Infinity){return-1}if(!T(t)||t===0){return t}if(k(t)>.5){return L(t)-1}var r=t;var n=0;var o=1;while(n+r!==n){n+=r;o+=1;r*=t/o}return n},hypot:function hypot(e,t){var r=0;var n=0;for(var o=0;o<arguments.length;++o){var i=k(Number(arguments[o]));if(n<i){r*=n/i*(n/i);r+=1;n=i}else{r+=i>0?i/n*(i/n):i}}return n===Infinity?Infinity:n*D(r)},log2:function log2(e){return F(e)*Ir},log10:function log10(e){return F(e)*Er},log1p:Y,sign:Z,sinh:function sinh(e){var t=Number(e);if(!T(t)||t===0){return t}var r=k(t);if(r<1){var n=Math.expm1(r);return Z(t)*n*(1+1/(n+1))/2}var o=L(r-1);return Z(t)*(o-1/(o*Tr*Tr))*(Tr/2)},tanh:function tanh(e){var t=Number(e);if(X(t)||t===0){return t}if(t>=20){return 1}if(t<=-20){return-1}return(Math.expm1(t)-Math.expm1(-t))/(L(t)+L(-t))},trunc:function trunc(e){var t=Number(e);return t<0?-_(-t):_(t)},imul:function imul(e,t){var r=ce.ToUint32(e);var n=ce.ToUint32(t);var o=r>>>16&65535;var i=r&65535;var a=n>>>16&65535;var u=n&65535;return i*u+(o*u+i*a<<16>>>0)|0},fround:function fround(e){var t=Number(e);if(t===0||t===Infinity||t===-Infinity||X(t)){return t}var r=Z(t);var n=k(t);if(n<Sr){return r*Or(n/Sr/wr)*Sr*wr}var o=(1+wr/Number.EPSILON)*n;var i=o-(o-n);if(i>jr||X(i)){return r*Infinity}return r*i}};var Mr=function withinULPDistance(e,t,r){return k(1-e/t)/Number.EPSILON<(r||8)};b(Math,Cr);h(Math,"sinh",Cr.sinh,Math.sinh(710)===Infinity);h(Math,"cosh",Cr.cosh,Math.cosh(710)===Infinity);h(Math,"log1p",Cr.log1p,Math.log1p(-1e-17)!==-1e-17);h(Math,"asinh",Cr.asinh,Math.asinh(-1e7)!==-Math.asinh(1e7));h(Math,"asinh",Cr.asinh,Math.asinh(1e300)===Infinity);h(Math,"atanh",Cr.atanh,Math.atanh(1e-300)===0);h(Math,"tanh",Cr.tanh,Math.tanh(-2e-17)!==-2e-17);
0 ignored issues
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Best Practice introduced by
Comparing fe to null using the == operator is not safe. Consider using === instead.
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Best Practice introduced by
There is no return statement in this branch, but you do return something in other branches. Did you maybe miss it? If you do not want to return anything, consider adding return undefined; explicitly.
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Best Practice introduced by
Comparing e to null using the == operator is not safe. Consider using === instead.
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Bug introduced by
The call to ne seems to have too many arguments starting with true.
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Bug introduced by
The variable n does not seem to be initialized in case arguments.length > 1 on line 10 is false. Are you sure this can never be the case?
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Bug introduced by
The variable f does not seem to be initialized in case arguments.length > 2 on line 10 is false. Are you sure this can never be the case?
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Bug introduced by
The variable define seems to be never declared. If this is a global, consider adding a /** global: define */ comment.

This checks looks for references to variables that have not been declared. This is most likey a typographical error or a variable has been renamed.

To learn more about declaring variables in Javascript, see the MDN.

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Bug introduced by
The variable seems to be never declared. If this is a global, consider adding a /** global: */ comment.

This checks looks for references to variables that have not been declared. This is most likey a typographical error or a variable has been renamed.

To learn more about declaring variables in Javascript, see the MDN.

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Comprehensibility introduced by
else is not necessary here since all if branches return, consider removing it to reduce nesting and make code more readable.
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Comprehensibility Best Practice introduced by
You seem to be aliasing the built-in name String as ue. This makes your code very difficult to follow, consider using the built-in name directly.
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Comprehensibility Best Practice introduced by
You seem to be aliasing the built-in name RegExp as br. This makes your code very difficult to follow, consider using the built-in name directly.
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Bug introduced by
The variable n does not seem to be initialized in case arguments.length > 1 on line 10 is false. Are you sure the function ToInteger handles undefined variables?
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Coding Style Best Practice introduced by
By convention, constructors like r should be capitalized.
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Coding Style Best Practice introduced by
By convention, constructors like dt should be capitalized.
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Compatibility Best Practice introduced by
You are extending the built-in type Array. This may have unintended consequences on other objects using this built-in type. Consider subclassing instead.
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Unused Code introduced by
The parameter e is not used and could be removed.

This check looks for parameters in functions that are not used in the function body and are not followed by other parameters which are used inside the function.

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Compatibility Best Practice introduced by
You are extending the built-in type Object. This may have unintended consequences on other objects using this built-in type. Consider subclassing instead.
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Comprehensibility Best Practice introduced by
You seem to be aliasing the built-in name Infinity as Le. This makes your code very difficult to follow, consider using the built-in name directly.
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Unused Code introduced by
The parameter t is not used and could be removed.

This check looks for parameters in functions that are not used in the function body and are not followed by other parameters which are used inside the function.

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Bug introduced by
The variable o does not seem to be initialized in case arguments.length > 1 on line 10 is false. Are you sure this can never be the case?
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Coding Style Best Practice introduced by
Using the Array constructor is generally discouraged. Consider using an array literal instead.
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Coding Style Best Practice introduced by
By convention, constructors like br should be capitalized.
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Bug introduced by
The variable i seems to not be initialized for all possible execution paths.
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Bug introduced by
The variable e seems to be never declared. Assigning variables without defining them first makes them global. If this was intended, consider making it explicit like using window.e.
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Unused Code introduced by
The assignment to variable i seems to be never used. Consider removing it.
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Bug introduced by
The variable r does not seem to be initialized in case arguments.length > 2 on line 10 is false. Are you sure this can never be the case?
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Complexity introduced by
A for in loop automatically includes the property of any prototype object, consider checking the key using hasOwnProperty.

When iterating over the keys of an object, this includes not only the keys of the object, but also keys contained in the prototype of that object. It is generally a best practice to check for these keys specifically:

var someObject;
for (var key in someObject) {
    if ( ! someObject.hasOwnProperty(key)) {
        continue; // Skip keys from the prototype.
    }

    doSomethingWith(key);
}
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Comprehensibility Best Practice introduced by
You seem to be aliasing the built-in name NaN as r. This makes your code very difficult to follow, consider using the built-in name directly.
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Bug introduced by
The variable t does not seem to be initialized in case arguments.length > 1 on line 10 is false. Are you sure this can never be the case?
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Bug introduced by
The call to repeat seems to have too many arguments starting with t - 1.
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Coding Style Best Practice introduced by
By convention, constructors like q should be capitalized.
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Bug introduced by
The variable r does not seem to be initialized in case arguments.length > 1 on line 10 is false. Are you sure the function I handles undefined variables?
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Unused Code introduced by
The assignment to variable o seems to be never used. Consider removing it.
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Comprehensibility Best Practice introduced by
Are you sure this return statement is not missing an argument? If this is intended, consider adding an explicit undefined like return undefined;.
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Bug introduced by
The variable Re does not seem to be initialized in case String.fromCodePoint && ...mCodePoint.length !== 1 on line 10 is false. Are you sure the function Call handles undefined variables?
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Bug introduced by
The variable lr does not seem to be initialized in case !sr || !cr on line 10 is false. Are you sure the function t handles undefined variables?
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Complexity Best Practice introduced by
There is no return statement if r >= 0 && r < n is false. Are you sure this is correct? If so, consider adding return; explicitly.

This check looks for functions where a return statement is found in some execution paths, but not in all.

Consider this little piece of code

function isBig(a) {
    if (a > 5000) {
        return "yes";
    }
}

console.log(isBig(5001)); //returns yes
console.log(isBig(42)); //returns undefined

The function isBig will only return a specific value when its parameter is bigger than 5000. In any other case, it will implicitly return undefined.

This behaviour may not be what you had intended. In any case, you can add a return undefined to the other execution path to make the return value explicit.

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Bug introduced by
The variable o does not seem to be initialized in case n === "entry" on line 10 is false. Are you sure the function Ke handles undefined variables?
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Bug introduced by
The call to St seems to have too many arguments starting with "number".
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Comprehensibility Best Practice introduced by
You seem to be aliasing the built-in name Number as dt. This makes your code very difficult to follow, consider using the built-in name directly.
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Comprehensibility Best Practice introduced by
You seem to be aliasing the built-in name Infinity as n. This makes your code very difficult to follow, consider using the built-in name directly.
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Coding Style introduced by
Consider using undefined instead of void(0). It is equivalent and more straightforward to read.
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Coding Style Best Practice introduced by
By convention, constructors like e should be capitalized.
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introduced by
This code is unreachable and can thus be removed without consequences.
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Bug introduced by
The variable self seems to be never declared. If this is a global, consider adding a /** global: self */ comment.

This checks looks for references to variables that have not been declared. This is most likey a typographical error or a variable has been renamed.

To learn more about declaring variables in Javascript, see the MDN.

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Duplication introduced by
This code seems to be duplicated in your project.
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Duplication introduced by
This code seems to be duplicated in your project.
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11 View Code Duplication
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r=arguments.length>2?arguments[2]:e;if(!ce.IsConstructor(r)){throw new TypeError("new.target must be a constructor.")}return ce.Construct(e,t,r,"internal")},deleteProperty:function deleteProperty(e,t){In(e);if(s){var r=Object.getOwnPropertyDescriptor(e,t);if(r&&!r.configurable){return false}}return delete e[t]},has:function has(e,t){In(e);return t in e}};if(Object.getOwnPropertyNames){Object.assign(En,{ownKeys:function ownKeys(e){In(e);var t=Object.getOwnPropertyNames(e);if(ce.IsCallable(Object.getOwnPropertySymbols)){x(t,Object.getOwnPropertySymbols(e))}return t}})}var Pn=function ConvertExceptionToBoolean(e){return!i(e)};if(Object.preventExtensions){Object.assign(En,{isExtensible:function isExtensible(e){In(e);return Object.isExtensible(e)},preventExtensions:function preventExtensions(e){In(e);return Pn(function(){return Object.preventExtensions(e)})}})}if(s){var Cn=function get(e,t,r){var n=Object.getOwnPropertyDescriptor(e,t);if(!n){var o=Object.getPrototypeOf(e);if(o===null){return void 0}return Cn(o,t,r)}if("value"in n){return n.value}if(n.get){return ce.Call(n.get,r)}return void 0};var Mn=function set(e,r,n,o){var i=Object.getOwnPropertyDescriptor(e,r);if(!i){var a=Object.getPrototypeOf(e);if(a!==null){return Mn(a,r,n,o)}i={value:void 0,writable:true,enumerable:true,configurable:true}}if("value"in i){if(!i.writable){return false}if(!ce.TypeIsObject(o)){return false}var u=Object.getOwnPropertyDescriptor(o,r);if(u){return ae.defineProperty(o,r,{value:n})}else{return ae.defineProperty(o,r,{value:n,writable:true,enumerable:true,configurable:true})}}if(i.set){t(i.set,o,n);return true}return false};Object.assign(En,{defineProperty:function defineProperty(e,t,r){In(e);return Pn(function(){return Object.defineProperty(e,t,r)})},getOwnPropertyDescriptor:function getOwnPropertyDescriptor(e,t){In(e);return Object.getOwnPropertyDescriptor(e,t)},get:function get(e,t){In(e);var r=arguments.length>2?arguments[2]:e;return Cn(e,t,r)},set:function set(e,t,r){In(e);var n=arguments.length>3?arguments[3]:e;return Mn(e,t,r,n)}})}if(Object.getPrototypeOf){var xn=Object.getPrototypeOf;En.getPrototypeOf=function getPrototypeOf(e){In(e);return xn(e)}}if(Object.setPrototypeOf&&En.getPrototypeOf){var Nn=function(e,t){var r=t;while(r){if(e===r){return true}r=En.getPrototypeOf(r)}return false};Object.assign(En,{setPrototypeOf:function setPrototypeOf(e,t){In(e);if(t!==null&&!ce.TypeIsObject(t)){throw new TypeError("proto must be an object or null")}if(t===ae.getPrototypeOf(e)){return true}if(ae.isExtensible&&!ae.isExtensible(e)){return false}if(Nn(e,t)){return false}Object.setPrototypeOf(e,t);return true}})}var An=function(e,t){if(!ce.IsCallable(S.Reflect[e])){h(S.Reflect,e,t)}else{var r=a(function(){S.Reflect[e](1);S.Reflect[e](NaN);S.Reflect[e](true);return true});if(r){ne(S.Reflect,e,t)}}};Object.keys(En).forEach(function(e){An(e,En[e])});var Rn=S.Reflect.getPrototypeOf;if(c&&Rn&&Rn.name!=="getPrototypeOf"){ne(S.Reflect,"getPrototypeOf",function getPrototypeOf(e){return t(Rn,S.Reflect,e)})}if(S.Reflect.setPrototypeOf){if(a(function(){S.Reflect.setPrototypeOf(1,{});return true})){ne(S.Reflect,"setPrototypeOf",En.setPrototypeOf)}}if(S.Reflect.defineProperty){if(!a(function(){var e=!S.Reflect.defineProperty(1,"test",{value:1});var t=typeof Object.preventExtensions!=="function"||!S.Reflect.defineProperty(Object.preventExtensions({}),"test",{});return e&&t})){ne(S.Reflect,"defineProperty",En.defineProperty)}}if(S.Reflect.construct){if(!a(function(){var e=function F(){};return S.Reflect.construct(function(){},[],e)instanceof e})){ne(S.Reflect,"construct",En.construct)}}if(String(new Date(NaN))!=="Invalid Date"){var _n=Date.prototype.toString;var kn=function toString(){var e=+this;if(e!==e){return"Invalid Date"}return ce.Call(_n,this)};ne(Date.prototype,"toString",kn)}var Ln={anchor:function anchor(e){return ce.CreateHTML(this,"a","name",e)},big:function big(){return ce.CreateHTML(this,"big","","")},blink:function blink(){return ce.CreateHTML(this,"blink","","")},bold:function bold(){return ce.CreateHTML(this,"b","","")},fixed:function fixed(){return ce.CreateHTML(this,"tt","","")},fontcolor:function fontcolor(e){return ce.CreateHTML(this,"font","color",e)},fontsize:function fontsize(e){return ce.CreateHTML(this,"font","size",e)},italics:function italics(){return ce.CreateHTML(this,"i","","")},link:function link(e){return ce.CreateHTML(this,"a","href",e)},small:function small(){return ce.CreateHTML(this,"small","","")},strike:function strike(){return ce.CreateHTML(this,"strike","","")},sub:function sub(){return ce.CreateHTML(this,"sub","","")},sup:function sub(){return ce.CreateHTML(this,"sup","","")}};l(Object.keys(Ln),function(e){var r=String.prototype[e];var n=false;if(ce.IsCallable(r)){var o=t(r,"",' " ');var i=P([],o.match(/"/g)).length;n=o!==o.toLowerCase()||i>2}else{n=true}if(n){ne(String.prototype,e,Ln[e])}});var Fn=function(){if(!oe){return false}var e=typeof JSON==="object"&&typeof JSON.stringify==="function"?JSON.stringify:null;if(!e){return false}if(typeof e($())!=="undefined"){return true}if(e([$()])!=="[null]"){return true}var t={a:$()};t[$()]=true;if(e(t)!=="{}"){return true}return false}();var Dn=a(function(){if(!oe){return true}return JSON.stringify(Object($()))==="{}"&&JSON.stringify([Object($())])==="[{}]"});if(Fn||!Dn){var zn=JSON.stringify;ne(JSON,"stringify",function stringify(e){if(typeof e==="symbol"){return}var n;if(arguments.length>1){n=arguments[1]}var o=[e];if(!r(n)){var i=ce.IsCallable(n)?n:null;var a=function(e,r){var n=i?t(i,this,e,r):r;if(typeof n!=="symbol"){if(re.symbol(n)){return Nt({})(n)}else{return n}}};o.push(a)}else{o.push(n)}if(arguments.length>2){o.push(arguments[2])}return zn.apply(this,o)})}return S});
0 ignored issues
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Compatibility Best Practice introduced by
You are extending the built-in type Set. This may have unintended consequences on other objects using this built-in type. Consider subclassing instead.
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Coding Style Best Practice introduced by
By convention, constructors like i should be capitalized.
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Best Practice introduced by
There is no return statement in this branch, but you do return something in other branches. Did you maybe miss it? If you do not want to return anything, consider adding return undefined; explicitly.
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Unused Code introduced by
The parameter e is not used and could be removed.

This check looks for parameters in functions that are not used in the function body and are not followed by other parameters which are used inside the function.

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Comprehensibility Best Practice introduced by
Are you sure this return statement is not missing an argument? If this is intended, consider adding an explicit undefined like return undefined;.
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Bug introduced by
The variable i does not seem to be initialized in case !se(o) on line 11 is false. Are you sure this can never be the case?
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Comprehensibility introduced by
You are shadowing the built-in type Promise. This makes code hard to read, consider using a different name.
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Coding Style Best Practice introduced by
By convention, constructors like e should be capitalized.
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Unused Code introduced by
The parameter t is not used and could be removed.

This check looks for parameters in functions that are not used in the function body and are not followed by other parameters which are used inside the function.

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Coding Style Best Practice introduced by
By convention, constructors like r should be capitalized.
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Comprehensibility introduced by
else is not necessary here since all if branches return, consider removing it to reduce nesting and make code more readable.
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Bug introduced by
The variable vn seems to not be initialized for all possible execution paths. Are you sure t handles undefined variables?
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Complexity Best Practice introduced by
There is no return statement if typeof n !== "symbol" is false. Are you sure this is correct? If so, consider adding return; explicitly.

This check looks for functions where a return statement is found in some execution paths, but not in all.

Consider this little piece of code

function isBig(a) {
    if (a > 5000) {
        return "yes";
    }
}

console.log(isBig(5001)); //returns yes
console.log(isBig(42)); //returns undefined

The function isBig will only return a specific value when its parameter is bigger than 5000. In any other case, it will implicitly return undefined.

This behaviour may not be what you had intended. In any case, you can add a return undefined to the other execution path to make the return value explicit.

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Coding Style introduced by
Consider using undefined instead of void(0). It is equivalent and more straightforward to read.
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Bug introduced by
The variable a does not seem to be initialized in case !se(o) on line 11 is false. Are you sure the function t handles undefined variables?
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Coding Style Best Practice introduced by
By convention, constructors like wn should be capitalized.
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Unused Code introduced by
The assignment to variable n seems to be never used. Consider removing it.
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Coding Style Best Practice introduced by
By convention, constructors like f should be capitalized.
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Bug introduced by
The variable n does not seem to be initialized in case arguments.length > 1 on line 11 is false. Are you sure the function r handles undefined variables?
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Compatibility Best Practice introduced by
You are extending the built-in type Math. This may have unintended consequences on other objects using this built-in type. Consider subclassing instead.
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Bug introduced by
The variable n does not seem to be initialized in case typeof window !== "unde...ble(window.postMessage) on line 11 is false. Are you sure the function IsCallable handles undefined variables?
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Bug introduced by
The variable Tn seems to not be initialized for all possible execution paths. Are you sure t handles undefined variables?
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Duplication introduced by
This code seems to be duplicated in your project.
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//# sourceMappingURL=es6-shim.map
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