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dewedev/node_modules/es-abstract/2020/BigInt/exponentiate.js
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JavaScript

'use strict';
var GetIntrinsic = require('get-intrinsic');
var $BigInt = GetIntrinsic('%BigInt%', true);
var $RangeError = require('es-errors/range');
var $TypeError = require('es-errors/type');
// https://262.ecma-international.org/11.0/#sec-numeric-types-bigint-exponentiate
module.exports = function BigIntExponentiate(base, exponent) {
if (typeof base !== 'bigint' || typeof 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;
};