securityos/node_modules/es-abstract/2020/NumberBitwiseOp.js

27 lines
681 B
JavaScript

'use strict';
var $TypeError = require('es-errors/type');
var ToInt32 = require('./ToInt32');
var ToUint32 = require('./ToUint32');
// https://262.ecma-international.org/11.0/#sec-numberbitwiseop
module.exports = function NumberBitwiseOp(op, x, y) {
if (op !== '&' && op !== '|' && op !== '^') {
throw new $TypeError('Assertion failed: `op` must be `&`, `|`, or `^`');
}
if (typeof x !== 'number' || typeof y !== 'number') {
throw new $TypeError('Assertion failed: `x` and `y` arguments must be Numbers');
}
var lnum = ToInt32(x);
var rnum = ToUint32(y);
if (op === '&') {
return lnum & rnum;
}
if (op === '|') {
return lnum | rnum;
}
return lnum ^ rnum;
};