25 lines
511 B
Plaintext
25 lines
511 B
Plaintext
'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 $TypeError = GetIntrinsic('%TypeError%');
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var Type = require('../Type');
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var zero = $BigInt && $BigInt(0);
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// https://262.ecma-international.org/11.0/#sec-numeric-types-bigint-unaryMinus
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module.exports = function BigIntUnaryMinus(x) {
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if (Type(x) !== 'BigInt') {
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throw new $TypeError('Assertion failed: `x` argument must be a BigInt');
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}
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if (x === zero) {
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return zero;
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}
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return -x;
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};
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