Function bracketIPv6

api/_common/parse-target.js:2–8

(str)

// Wrap bare IPv6 in brackets for URL parsing (2+ colons = IPv6)
export const bracketIPv6 = (str) => {
  const bare = str.replace(/^https?:\/\//i, '');
  const host = bare.split('/')[0];
  if (!host.startsWith('[') && (host.match(/:/g) || []).length >= 2)
    return str.replace(host, `[${host}]`);
  return str;
};

// Normalise a user-supplied target, stripping :port for DNS lookups
export const parseTarget = (input) => {