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