Function tryProvider

api/location.js:98–103

(p, ip, signal)

// Query a single provider, throw unless it yields a usable result
const tryProvider = async (p, ip, signal) => {
  const parsed = p.parse(await getJson(p.url(ip), signal));
  if (!parsed?.country_code) throw new Error('no usable data');
  log.debug(`${p.name} resolved ${ip} to ${parsed.country_code}`);
  return parsed;
};

// Race all providers, first successful result wins, abort the rest
const lookupGeo = async (ip) => {