Node.js URL.fileURLToPath API

This URL.fileURLToPath function decodes the file URL to a path string and ensures that the URL control characters (/, %) are correctly appended/adjusted when converting the given file URL into a path.

Syntax:

url.fileURLToPath( url )

Parameters: This function accepts single parameter url which holds the file URL string or object to convert into path.

Return Value: It returns a string which represents the fully-resolved platform-specific file path.

Below programs illustrates the use of URL.fileURLToPath() Method in Node.js:

Example 1:

// Node program to demonstrate the
// URL.fileURLToPath() API as Setter

// Importing the module 'url'
const url = require('url');

 // Some random path from system
const file = 'file://computerscience/geeksforgeeks.txt'

// Converting our file to properly encoded path
console.log(url.fileURLToPath(file))

Output:

\\computerscience\geeksforgeeks.txt

Example 2:

// Node program to demonstrate the
// URL.fileURLToPath() API as Setter

// Importing the module 'url'
const url = require('url');

// Some random path from system
const file = 'file:///C:/path/example/gfg'

// Converting the file to properly encoded path
console.log(url.fileURLToPath(file))

Output:

 C:\path\example\gfg 

Note: The above program will compile and run by using the node app.js command.

Reference: https://nodejs.org/api/url.html#url_url_fileurltopath_url