getRootDomain

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Extract the root domain from a URL, correctly handling compound top-level domains so subdomains collapse to their registrable base.

Usage

getRootDomain extracts the root domain (top-level domain + second-level domain) from a URL.

import { getRootDomain } from '@movk/core'

getRootDomain('https://sub.example.com') // 'example.com'
getRootDomain('https://a.b.example.co.uk') // 'example.co.uk'

API

`getRootDomain(url)`

Get the root domain (TLD + second-level domain) from a URL.

Parameters

url

string required

The URL string.

Returns

returns

string

The root domain, or an empty string if parsing fails.

Changelog

No recent changes

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