Node.js fs.Dirent.isSymbolicLink() Method
The fs.Dirent.isSymbolicLink() method is an inbuilt application programming interface of class fs.Dirent within the File System module which is used to check if the particular dirent describes a SymbolicLink or not.
Syntax:
const dirent.isSymbolicLink()
Parameter: This method does not accept any parameter.
Return Value: This method returns true if the particular dirent describes a SymbolicLink otherwise false.
Example 1: The below program illustrates the use of fs.dirent.isSymbolicLink() method in Node.js:
Filename: index.js
javascript
// Node.js program to demonstrate the // dirent.isSymbolicLink() method const fs = require( 'fs' ); // Initiating async function async function stop(path) { // Creating and initiating dir's // underlying resource handle const dir = await fs.promises.opendir(path); // Synchronously reading the dir's // underlying resource handle // using readSync() method for (let i = 0; i <= 3; i++) { // Checking if the particular dirent // is SymbolicLink or not by using // isSymbolicLink() method const value = (dir.readSync()).isSymbolicLink(); // Display the result console.log(dir.readSync()); console.log(value); } } // Catching error stop( './' ). catch (console.error); |
Run the index.js file using the following command:
node index.js
Output:
Dirent { name: 'cert.cer', [Symbol(type)]: 1 } false Dirent { name: 'certificate1.cer', [Symbol(type)]: 1 } false Dirent { name: 'filename.txt', [Symbol(type)]: 1 } false Dirent { name: 'GFG.java', [Symbol(type)]: 1 } false
Example 2: The below program illustrates the use of fs.dirent.isSymbolicLink() method in Node.js:
Filename: index.js
javascript
// Node.js program to demonstrate the // dirent.isSymbolicLink() method const fs = require( 'fs' ); // Initiating async function async function stop(path) { let dir = null ; try { // Creating and initiating directory's // underlying resource handle dir = await fs.promises.opendir( new URL('file: ///F:/java/')); // Synchronously reading the dir's // underlying resource handle // using readSync() method for (let i = 0; i <= 3; i++) { // Checking if the particular dirent // is SymbolicLink or not by using // isSymbolicLink() method const value = (dir.readSync()).isSymbolicLink(); // Display the result console.log(dir.readSync()); console.log(value); } } finally { if (dir) { // Display the result console.log( "dir is closed successfully" ); // Synchronously closeSyncing the directory's // underlying resource handle const promise = dir.closeSync(); } } } // Catching error stop('./'). catch (console.error); |
Output:
Dirent { name: 'cert.cer', [Symbol(type)]: 1 } false Dirent { name: 'certificate1.cer', [Symbol(type)]: 1 } false Dirent { name: 'features', [Symbol(type)]: 2 } false Dirent { name: 'GFG.class', [Symbol(type)]: 1 } false dir is closed successfully
Reference: https://nodejs.org/dist/latest-v12.x/docs/api/fs.html#fs_dirent_issymboliclink