Function supportsHyperlinks

src/ink/supports-hyperlinks.ts:26–57

(
  options?: SupportsHyperlinksOptions,
)

 * @param options Optional overrides for testing (env, stdoutSupported)
 */
export function supportsHyperlinks(
  options?: SupportsHyperlinksOptions,
): boolean {
  const stdoutSupported =
    options?.stdoutSupported ?? supportsHyperlinksLib.stdout
  if (stdoutSupported) {
    return true
  }

  const env = options?.env ?? process.env

  // Check for additional terminals not detected by supports-hyperlinks
  const termProgram = env['TERM_PROGRAM']
  if (termProgram && ADDITIONAL_HYPERLINK_TERMINALS.includes(termProgram)) {
    return true
  }

  // LC_TERMINAL is set by some terminals (e.g. iTerm2) and preserved inside tmux,
  // where TERM_PROGRAM is overwritten to 'tmux'.
  const lcTerminal = env['LC_TERMINAL']
  if (lcTerminal && ADDITIONAL_HYPERLINK_TERMINALS.includes(lcTerminal)) {
    return true
  }

  // Kitty sets TERM=xterm-kitty
  const term = env['TERM']
  if (term?.includes('kitty')) {
    return true
  }

  return false
}