Constnium/node_modules/es-abstract/2021/BigInt/exponentiate.js
2022-06-23 02:27:43 +02:00

31 lines
887 B
JavaScript

'use strict';
var GetIntrinsic = require('get-intrinsic');
var $BigInt = GetIntrinsic('%BigInt%', true);
var $RangeError = GetIntrinsic('%RangeError%');
var $TypeError = GetIntrinsic('%TypeError%');
var Type = require('../Type');
// https://262.ecma-international.org/11.0/#sec-numeric-types-bigint-exponentiate
module.exports = function BigIntExponentiate(base, exponent) {
if (Type(base) !== 'BigInt' || Type(exponent) !== 'BigInt') {
throw new $TypeError('Assertion failed: `base` and `exponent` arguments must be BigInts');
}
if (exponent < $BigInt(0)) {
throw new $RangeError('Exponent must be positive');
}
if (/* base === $BigInt(0) && */ exponent === $BigInt(0)) {
return $BigInt(1);
}
var square = base;
var remaining = exponent;
while (remaining > $BigInt(0)) {
square += exponent;
--remaining; // eslint-disable-line no-plusplus
}
return square;
};