biobulkbende.org/node_modules/es-abstract/2020/NumberBitwiseOp.js
2020-09-16 14:23:28 +02:00

26 lines
579 B
JavaScript

'use strict';
var GetIntrinsic = require('../GetIntrinsic');
var $TypeError = GetIntrinsic('%TypeError%');
var ToInt32 = require('./ToInt32');
var ToUint32 = require('./ToUint32');
// https://tc39.es/ecma262/2020/#sec-numberbitwiseop
module.exports = function NumberBitwiseOp(op, x, y) {
if (op !== '&' && op !== '|' && op !== '^') {
throw new $TypeError('Assertion failed: `op` must be `&`, `|`, or `^`');
}
var lnum = ToInt32(x);
var rnum = ToUint32(y);
if (op === '&') {
return lnum & rnum;
}
if (op === '|') {
return lnum | rnum;
}
return lnum ^ rnum;
};