1import { throwIf } from '../sharedF/throwErrorF/throwIfF.mts'
2import { type ExtIpSource } from './cfIpF.mts'
3
4export const getExtIpWithFallbacks = async (sources: ExtIpSource[]): Promise<string> => {
5  for (const fetchIp of sources) {
6    try {
7      const ip = await fetchIp()
8      if (ip) return ip
9    } catch { /* try next */ }
10  }
11  throwIf(() => true, {sourceCount: sources.length})
12  return '' // unreachable
13}
14