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codeql-action/node_modules/es-abstract/2020/Number/exponentiate.js
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'use strict'; | |
var GetIntrinsic = require('get-intrinsic'); | |
// var isNegativeZero = require('is-negative-zero'); | |
var $pow = GetIntrinsic('%Math.pow%'); | |
var $TypeError = GetIntrinsic('%TypeError%'); | |
/* | |
var abs = require('../../helpers/abs'); | |
var isFinite = require('../../helpers/isFinite'); | |
var isNaN = require('../../helpers/isNaN'); | |
var IsInteger = require('../IsInteger'); | |
*/ | |
var Type = require('../Type'); | |
// https://262.ecma-international.org/11.0/#sec-numeric-types-number-exponentiate | |
/* eslint max-lines-per-function: 0, max-statements: 0 */ | |
module.exports = function NumberExponentiate(base, exponent) { | |
if (Type(base) !== 'Number' || Type(exponent) !== 'Number') { | |
throw new $TypeError('Assertion failed: `base` and `exponent` arguments must be Numbers'); | |
} | |
return $pow(base, exponent); | |
/* | |
if (isNaN(exponent)) { | |
return NaN; | |
} | |
if (exponent === 0) { | |
return 1; | |
} | |
if (isNaN(base)) { | |
return NaN; | |
} | |
var aB = abs(base); | |
if (aB > 1 && exponent === Infinity) { | |
return Infinity; | |
} | |
if (aB > 1 && exponent === -Infinity) { | |
return 0; | |
} | |
if (aB === 1 && (exponent === Infinity || exponent === -Infinity)) { | |
return NaN; | |
} | |
if (aB < 1 && exponent === Infinity) { | |
return +0; | |
} | |
if (aB < 1 && exponent === -Infinity) { | |
return Infinity; | |
} | |
if (base === Infinity) { | |
return exponent > 0 ? Infinity : 0; | |
} | |
if (base === -Infinity) { | |
var isOdd = true; | |
if (exponent > 0) { | |
return isOdd ? -Infinity : Infinity; | |
} | |
return isOdd ? -0 : 0; | |
} | |
if (exponent > 0) { | |
return isNegativeZero(base) ? Infinity : 0; | |
} | |
if (isNegativeZero(base)) { | |
if (exponent > 0) { | |
return isOdd ? -0 : 0; | |
} | |
return isOdd ? -Infinity : Infinity; | |
} | |
if (base < 0 && isFinite(base) && isFinite(exponent) && !IsInteger(exponent)) { | |
return NaN; | |
} | |
*/ | |
}; |