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fileURLToPath - url - Node documentation
function fileURLToPath

Usage in Deno

import { fileURLToPath } from "node:url";
fileURLToPath(
url: string | URL,
): string

This function ensures the correct decodings of percent-encoded characters as well as ensuring a cross-platform valid absolute path string.

import { fileURLToPath } from 'node:url';

const __filename = fileURLToPath(import.meta.url);

new URL('file:///C:/path/').pathname;      // Incorrect: /C:/path/
fileURLToPath('file:///C:/path/');         // Correct:   C:\path\ (Windows)

new URL('file://nas/foo.txt').pathname;    // Incorrect: /foo.txt
fileURLToPath('file://nas/foo.txt');       // Correct:   \\nas\foo.txt (Windows)

new URL('file:///你好.txt').pathname;      // Incorrect: /%E4%BD%A0%E5%A5%BD.txt
fileURLToPath('file:///你好.txt');         // Correct:   /你好.txt (POSIX)

new URL('file:///hello world').pathname;   // Incorrect: /hello%20world
fileURLToPath('file:///hello world');      // Correct:   /hello world (POSIX)

Parameters

url: string | URL

The file URL string or URL object to convert to a path.

optional
options: FileUrlToPathOptions

Return Type

string

The fully-resolved platform-specific Node.js file path.