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