es-abstract
Version:
ECMAScript spec abstract operations.
17 lines (12 loc) • 500 B
JavaScript
var $TypeError = require('es-errors/type');
var ToInt32 = require('../ToInt32');
// https://262.ecma-international.org/11.0/#sec-numeric-types-number-bitwiseNOT
module.exports = function NumberBitwiseNOT(x) {
if (typeof 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;
};
;