source: frontend/node_modules/es-abstract/2023/ByteListBitwiseOp.js

'use strict';

var $TypeError = require('es-errors/type');

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;
                }
                result[result.length] = resultByte;
        }

        return result;
};