@typed/content-hash/src/content-hashes/infrastructure/plugins/isExternalUrl.ts

Content hash a directory of HTML/JS/CSS files and other static assets

// TODO: Should this detect if something is using your same baseUrl/origin?
export const isExternalUrl = (path: string): boolean => {
  try {
    return !!new URL(path).href
  } catch {
    return false
  }
}