Function isUrlRelative

lib/utils.ts:443–445

(url: string)

const absoluteChecker = new RegExp("^(?:[a-z+]+:)?//", "i");
export function isUrlRelative(url: string): boolean {
  return !absoluteChecker.test(url);
}

export function makeUrlAbsolute(url: string, href: string): string {
  return new URL(href, url).href;