shift73k/assets_old/node_modules/es-abstract/2020/Number/bitwiseNOT.js

19 lines
578 B
JavaScript

'use strict';
var GetIntrinsic = require('get-intrinsic');
var $TypeError = GetIntrinsic('%TypeError%');
var ToInt32 = require('../ToInt32');
var Type = require('../Type');
// https://262.ecma-international.org/11.0/#sec-numeric-types-number-bitwiseNOT
module.exports = function NumberBitwiseNOT(x) {
if (Type(x) !== 'Number') {
throw new $TypeError('Assertion failed: `x` argument must be a Number');
}
var oldValue = ToInt32(x);
// Return the result of applying the bitwise operator op to lnum and rnum. The result is a signed 32-bit integer.
return ~oldValue;
};