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node_modules/es-abstract/2022/ByteListBitwiseOp.js
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1lostsun
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05 май 2025, 11:35
05 май 2025, 11:35
fe8f535
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'use strict'; var callBound = require('call-bound'); var $TypeError = require('es-errors/type'); 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; };