fix: dht.findPeer API endpoint returns ndjson (#2965)

Author: achingbrain

src/dht/find-peer.js

@@ -9,23 +9,23 @@ module.exports = configure(api => {
   return async function findPeer (peerId, options = {}) {
     options.arg = `${Buffer.isBuffer(peerId) ? new CID(peerId) : peerId}`
 
-    const res = await api.post('dht/findpeer', {
+    const res = await api.ndjson('dht/findpeer', {
       timeout: options.timeout,
       signal: options.signal,
       searchParams: options
     })
 
-    const data = await res.json()
-
-    if (data.Type === 3) {
-      throw new Error(data.Extra)
-    }
+    for await (const data of res) {
+      if (data.Type === 3) {
+        throw new Error(data.Extra)
+      }
 
-    if (data.Type === 2 && data.Responses) {
-      const { ID, Addrs } = data.Responses[0]
-      return {
-        id: ID,
-        addrs: (Addrs || []).map(a => multiaddr(a))
+      if (data.Type === 2 && data.Responses) {
+        const { ID, Addrs } = data.Responses[0]
+        return {
+          id: ID,
+          addrs: (Addrs || []).map(a => multiaddr(a))
+        }
       }
     }