url

Warning

To use Node.js APIs in your Worker, add the nodejs_compat_v2 compatibility flag to your wrangler.toml file.

domainToASCII

Returns the Punycode ASCII serialization of the domain. If domain is an invalid domain, the empty string is returned.

import { domainToASCII } from 'node:url';

console.log(domainToASCII('español.com'));
// Prints xn--espaol-zwa.com
console.log(domainToASCII('中文.com'));
// Prints xn--fiq228c.com
console.log(domainToASCII('xn--iñvalid.com'));
// Prints an empty string

domainToUnicode

Returns the Unicode serialization of the domain. If domain is an invalid domain, the empty string is returned.

It performs the inverse operation to domainToASCII().

import { domainToUnicode } from 'node:url';

console.log(domainToUnicode('xn--espaol-zwa.com'));
// Prints español.com
console.log(domainToUnicode('xn--fiq228c.com'));
// Prints 中文.com
console.log(domainToUnicode('xn--iñvalid.com'));
// Prints an empty string