bitwiseNOT.js

'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;
};