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EmptyDir() function in fs-extra - NodeJS
Introduction to Async emptyDir()
This method is used to empty a directory whether it is empty or not. If the directory is not empty it will remove all its contents and empty it. A new empty directory is created if the directory does not exist.
Syntax
emptyDir(dir, [, callbacks])
Parameters
dir – This is a string paramter which will hold the location of the directory structure.
callback – This function will give a callback if any error occurs.
Example 1
Check that fs-extra is installed before proceeding; if not, install fs-exra.
You can use the following command to check whether fs-extra is installed or not.
npm ls fs-extra
Create a asyncEmptyDir.js and copy-paste the following code snippet into that file.
Now, run the following command to run the following code snippet.
node asyncEmptyDir.js
Code Snippet −
const fs = require('fs-extra') // Assuming the directory exists and has content // Checking directory with a callback: fs.emptyDir('/tmp/dir', err => { if (err) return console.error(err) console.log('Async Success with callback !') }) // Checking directory with Promises: fs.emptyDir('/tmp/dir') .then(() => { console.log('Async Success with Promises !') }) .catch(err => { console.error(err) }) // Checking directory with async/await async function asyncEmptyDir () { try { await fs.emptyDir('/tmp/dir') console.log('Await Success !') } catch (err) { console.error(err) } } asyncEmptyDir()
Output
C:\Users\tutorialsPoint\> node asyncEmptyDir.js Async Success with callback ! Async Success with Promises ! Await Success !
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