Kärntner Linien/Verkehrsverbund Kärnten (VKG/VVK) is the local transport provider of Carinthia. This profile adds VKG support to hafas-client.
import {createClient} from 'hafas-client'
import {profile as vkgProfile} from 'hafas-client/p/vkg/index.js'
const userAgent = 'link-to-your-project-or-email' // adapt this to your project!
// create a client with VKG profile
const client = createClient(vkgProfile, userAgent)