You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
21 lines
470 B
21 lines
470 B
'use strict';
|
|
|
|
var GetIntrinsic = require('get-intrinsic');
|
|
|
|
var $TypeError = GetIntrinsic('%TypeError%');
|
|
|
|
var isNaN = require('../../helpers/isNaN');
|
|
|
|
var Type = require('../Type');
|
|
|
|
// https://262.ecma-international.org/11.0/#sec-numeric-types-number-unaryMinus
|
|
|
|
module.exports = function NumberUnaryMinus(x) {
|
|
if (Type(x) !== 'Number') {
|
|
throw new $TypeError('Assertion failed: `x` argument must be a Number');
|
|
}
|
|
if (isNaN(x)) {
|
|
return NaN;
|
|
}
|
|
return -x;
|
|
};
|
|
|