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fs.realpath

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fs.realpath

Use node's fs.realpath, but fall back to the JS implementation if the native one fails

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What is fs.realpath?

The fs.realpath npm package is used to resolve the absolute path of a file or directory on the file system. It can be particularly useful in situations where you need to work with file paths that may include symbolic links or relative references.

What are fs.realpath's main functionalities?

Synchronous realpath resolution

This feature allows you to synchronously resolve the realpath of a given path, which means it blocks the Node.js event loop while completing. It's useful when you need the resolved path before proceeding with the next steps in your code.

const fs = require('fs');
const path = '/path/to/symlink/or/file';
const resolvedPath = fs.realpathSync(path);
console.log(resolvedPath);

Asynchronous realpath resolution

This feature provides an asynchronous way to resolve the realpath of a given path. It's non-blocking and uses a callback to handle the result. This is useful in most Node.js applications where non-blocking operations are preferred.

const fs = require('fs');
const path = '/path/to/symlink/or/file';
fs.realpath(path, (err, resolvedPath) => {
  if (err) throw err;
  console.log(resolvedPath);
});

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Package last updated on 15 Jun 2016

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