Sha256: 230d40cd721ec79dc86ab3f5ee096e98ce55c8ba85c770ef41f1e9ce605dc4f2
Contents?: true
Size: 1.29 KB
Versions: 81
Compression:
Stored size: 1.29 KB
Contents
'use strict';
var GetIntrinsic = require('get-intrinsic');
var callBound = require('call-bind/callBound');
var $TypeError = GetIntrinsic('%TypeError%');
var $push = callBound('Array.prototype.push');
var IsArray = require('./IsArray');
var isByteValue = require('../helpers/isByteValue');
// https://262.ecma-international.org/12.0/#sec-bytelistbitwiseop
module.exports = function ByteListBitwiseOp(op, xBytes, yBytes) {
if (op !== '&' && op !== '^' && op !== '|') {
throw new $TypeError('Assertion failed: `op` must be `&`, `^`, or `|`');
}
if (!IsArray(xBytes) || !IsArray(yBytes) || xBytes.length !== yBytes.length) {
throw new $TypeError('Assertion failed: `xBytes` and `yBytes` must be same-length sequences of byte values (an integer 0-255, inclusive)');
}
var result = [];
for (var i = 0; i < xBytes.length; i += 1) {
var xByte = xBytes[i];
var yByte = yBytes[i];
if (!isByteValue(xByte) || !isByteValue(yByte)) {
throw new $TypeError('Assertion failed: `xBytes` and `yBytes` must be same-length sequences of byte values (an integer 0-255, inclusive)');
}
var resultByte;
if (op === '&') {
resultByte = xByte & yByte;
} else if (op === '^') {
resultByte = xByte ^ yByte;
} else {
resultByte = xByte | yByte;
}
$push(result, resultByte);
}
return result;
};
Version data entries
81 entries across 27 versions & 2 rubygems