Extract logic to function

Author: D4nte

src/socket-to-conn.js

@@ -44,9 +44,7 @@ module.exports = (socket, options = {}) => {
 
     conn: socket,
 
-    localAddr: socket.localAddress && socket.localPort
-      ? toMultiaddr(socket.localAddress, socket.localPort)
-      : undefined,
+    localAddr: toLocalAddr(socket),
 
     // If the remote address was passed, use it - it may have the peer ID encapsulated
     remoteAddr: options.remoteAddr,
@@ -98,3 +96,15 @@ module.exports = (socket, options = {}) => {
 
   return maConn
 }
+
+/**
+ * Get local multiaddr from socket.
+ *
+ * @param {SimplePeer} socket
+ * @returns {Multiaddr|undefined}
+ */
+function toLocalAddr (socket) {
+  return socket.localAddress && socket.localPort
+    ? toMultiaddr(socket.localAddress, socket.localPort)
+    : undefined
+}