cloudflare-worker-geotargeting.js

addEventListener("fetch", event => {
	event.respondWith(redirect(event.request))
})

//localized links to redirect to
const countryMap = {
	US: "https://us.foobar.com",	
	GB: "https://gb.foobar.com",
	DE: "https://de.foobar.com",
	FR: "https://fr.foobar.com",
	ES: "https://es.foobar.com",
}

function redirect(request) {

	//get visitor's country from Cloudflare
	const country = request.cf.country
 
	if (country != null && country in countryMap) {
		const url = countryMap[country]
		return Response.redirect(url)
	} else {
	//redirect all other countries to a default link
	const url = 'https://www.foobar.com'
	return Response.redirect(url)
	}
}