fix: support /dns addresses (#129)

Adds support for /dns alongside /dns4, /dns6, etc

Fixes #9

Author: achingbrain

src/index.ts

@@ -64,6 +64,7 @@ const interpreters: Record<string, Interpreter> = {
   dnsaddr: (value: string, restMa: StringTuple[]) => value,
   dns4: (value: string, restMa: StringTuple[]) => value,
   dns6: (value: string, restMa: StringTuple[]) => value,
+  dns: (value: string, restMa: StringTuple[]) => value,
   ipfs: (value: string, restMa: StringTuple[]) => {
     const tailProto = restMa.pop()
     if (tailProto === undefined) {

test/test.spec.ts

@@ -15,6 +15,8 @@ describe('multiaddr-to-uri', () => {
       ['/ip4/1.2.3.4/tcp/1234/tls/sni/ipfs.io/http', 'https://ipfs.io'],
       ['/ip4/0.0.7.6/udp/1234', 'udp://0.0.7.6:1234'],
       ['/ip6/::/udp/0', 'udp://[::]:0'],
+      ['/dns/a.com/tcp/1234', 'http://a.com:1234'],
+      ['/dns/a.com', 'a.com'],
       ['/dnsaddr/ipfs.io', 'ipfs.io'],
       ['/dns4/ipfs.io', 'ipfs.io'],
       ['/dns4/libp2p.io', 'libp2p.io'],