diff options
| author | Ben Noordhuis <info@bnoordhuis.nl> | 2017-08-10 12:19:13 +0300 |
|---|---|---|
| committer | Myles Borins <mylesborins@google.com> | 2017-09-12 04:17:11 +0300 |
| commit | 13577d4ada20e33f6e55a503a3c41a8aa225c368 (patch) | |
| tree | f27e45a90a5072e9b1c3802a2da6c1b42b6b02bc /doc/api/dns.md | |
| parent | 3d9ad827296905b6cf54519f0b208617afd2ee85 (diff) | |
dns: add `verbatim` option to dns.lookup()
When true, results from the DNS resolver are passed on as-is, without
the reshuffling that Node.js otherwise does that puts IPv4 addresses
before IPv6 addresses.
PR-URL: https://github.com/nodejs/node/pull/14731
Ref: https://github.com/nodejs/node/issues/6307
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Diffstat (limited to 'doc/api/dns.md')
| -rw-r--r-- | doc/api/dns.md | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/api/dns.md b/doc/api/dns.md index 0d191af15e8..46927e5f528 100644 --- a/doc/api/dns.md +++ b/doc/api/dns.md @@ -140,6 +140,12 @@ changes: flags may be passed by bitwise `OR`ing their values. - `all` {boolean} When `true`, the callback returns all resolved addresses in an array. Otherwise, returns a single address. Defaults to `false`. + - `verbatim` {boolean} When `true`, the callback receives IPv4 and IPv6 + addresses in the order the DNS resolver returned them. When `false`, + IPv4 addresses are placed before IPv6 addresses. + Default: currently `false` (addresses are reordered) but this is expected + to change in the not too distant future. + New code should use `{ verbatim: true }`. - `callback` {Function} - `err` {Error} - `address` {string} A string representation of an IPv4 or IPv6 address. |