url

To enable built-in Node.js APIs and polyfills, add the nodejs_compat compatibility flag to your Wrangler configuration file. This also enables nodejs_compat_v2 as long as your compatibility date is 2024-09-23 or later. Learn more about the Node.js compatibility flag and v2.

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