De-indent dns.lookup

lib/dns.js

@@ -108,6 +108,7 @@ exports.getHostByAddr = function (address, family/*=4*/, callback) {
 // Easy DNS A/AAAA look up
 // lookup(domain, [family,] callback)
 exports.lookup = function (domain, family, callback) {
+  // parse arguments
   if (arguments.length === 2) {
     callback = family;
     family = undefined;
@@ -121,21 +122,27 @@ exports.lookup = function (domain, family, callback) {
       throw new Error('invalid argument: "family" must be 4 or 6');
     }
   }
+
   if (!domain) {
     callback(null, null, family === 6 ? 6 : 4);
     return;
   }
+
   var matchedFamily = net.isIP(domain);
   if (matchedFamily) {
     callback(null, domain, matchedFamily);
-  } else {
+    return;
+  }
+
   if (/\w\.local\.?$/.test(domain)) {
     // ANNOYING: In the case of mDNS domains use NSS in the thread pool.
     // I wish c-ares had better support.
     process.binding('net').getaddrinfo(domain, 4, function (err, domains4) {
       callback(err, domains4[0], 4);
     });
-    } else {
+    return;
+  }
+
   if (family) {
     // resolve names for explicit address family
     var af = familyToSym(family);
@@ -150,7 +157,9 @@ exports.lookup = function (domain, family, callback) {
         callback(err, []);
       }
     });
-      } else {
+    return
+  }
+
   // first resolve names for v4 and if that fails, try v6
   channel.getHostByName(domain, dns.AF_INET, function (err, domains4) {
     if (domains4 && domains4.length) {
@@ -166,9 +175,6 @@ exports.lookup = function (domain, family, callback) {
       });
     }
   });
-      }
-    }
-  }
 };