[BUG]: byte = ''; ^ SyntaxError: Unexpected token = at Module._compile (internal/modules/cjs/loader.js:723:23) at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10)

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### Description of the bug

every time i run the node script, i get this error
`byte = '';
^

SyntaxError: Unexpected token =
at Module._compile (internal/modules/cjs/loader.js:723:23)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10)
at Module.load (internal/modules/cjs/loader.js:653:32)
at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
at Function.Module._load (internal/modules/cjs/loader.js:585:3)
at Module.require (internal/modules/cjs/loader.js:692:17)
at require (internal/modules/cjs/helpers.js:25:18)
at Object. (/home/superuser/Desktop/work/thermal_printer_example/node_modules/escpos/index.js:12:18)
at Module._compile (internal/modules/cjs/loader.js:778:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10)
`

### Steps To Reproduce

this is my code
`const escpos = require("escpos");

// escpos.Bluetooth = require('escpos-bluetooth');
escpos.USB = require("escpos-usb");
escpos.SerialPort = require("escpos-serialport");
const serialDeviceOnLinux = new escpos.SerialPort("/dev/usb/lp2", {
baudRate: 14400,
stopBit: 2,
});

console.log(serialDeviceOnLinux);
`

### Additional Information

_No response_

Start by running the provided Node script and inspect node_modules/escpos/index.js at the require entry shown in the stack trace, including the line containing byte = ''. Check the Node.js version and the escpos dependency versions involved. Done means the script loads without the reported SyntaxError and reaches the device setup.

Written by the indexing model from the issue text.