Sometimes, we want to check if Node.js writeFileSync successfully wrote the file.

In this article, we’ll look at how to check if Node.js writeFileSync successfully wrote the file.

How to check if Node.js writeFileSync successfully wrote the file?

To check if Node.js writeFileSync successfully wrote the file, we should wrap writeFileSync in a try-catch block.

For instance, we write

try {
  fs.writeFileSync(file, content, 'utf8');
} catch (e) {
  conso.e.log(e)
}

to call writeFileSync to write the content of the file to the file path with 'utf8' encoding.

If the write operation fails, an error will be thrown, and the error will be caught by the catch block.

Conclusion

To check if Node.js writeFileSync successfully wrote the file, we should wrap writeFileSync in a try-catch block.