export function isAbsoluteURL(url: string) {
  return /^([a-z][a-z\d+\-.]*:)?\/\//i.test(url)
}

export function combineURLs(baseURL: string, relativeURL: string) {
  return relativeURL
    ? baseURL.replace(/\/?\/$/, '') + '/' + relativeURL.replace(/^\/+/, '')
    : baseURL
}