Returns the full URL of a call to an HTTP function.
Premium sites:
Free sites:
// In http-functions.js
export function use_myFunction(request) {
let url = request.url;
// Premium site:
// "https://www.domain.com/_functions/myFunction/sub?q=value"
//
// Free site:
// "https://user_name.wixsite.com/mysite/_functions/myFunction/sub?q=value"
}