lib: macro-ify type checks

Increases the grep factor. Makes it easier to harmonize type checks
across the code base.

1 files changed, 4 insertions, 4 deletions

diff --git a/lib/tls.js b/lib/tls.js
index 6d2f59e36c..a0d31bf601 100644
--- a/lib/tls.js
+++ b/lib/tls.js
@@ -51,7 +51,7 @@ exports.getCiphers = function() {
 // ("\x06spdy/2\x08http/1.1\x08http/1.0")
 exports.convertNPNProtocols = function convertNPNProtocols(NPNProtocols, out) {
   // If NPNProtocols is Array - translate it into buffer
-  if (Array.isArray(NPNProtocols)) {
+  if (IS_ARRAY(NPNProtocols)) {
     var buff = new Buffer(NPNProtocols.reduce(function(p, c) {
       return p + 1 + Buffer.byteLength(c);
     }, 0));
@@ -68,7 +68,7 @@ exports.convertNPNProtocols = function convertNPNProtocols(NPNProtocols, out) {
   }
 
   // If it's already a Buffer - store it
-  if (Buffer.isBuffer(NPNProtocols)) {
+  if (IS_BUFFER(NPNProtocols)) {
     out.NPNProtocols = NPNProtocols;
   }
 };
@@ -166,7 +166,7 @@ exports.checkServerIdentity = function checkServerIdentity(host, cert) {
     // RFC6125
     if (matchCN) {
       var commonNames = cert.subject.CN;
-      if (Array.isArray(commonNames)) {
+      if (IS_ARRAY(commonNames)) {
         for (var i = 0, k = commonNames.length; i < k; ++i) {
           dnsNames.push(regexpify(commonNames[i], true));
         }
@@ -194,7 +194,7 @@ exports.parseCertString = function parseCertString(s) {
       var key = parts[i].slice(0, sepIndex);
       var value = parts[i].slice(sepIndex + 1);
       if (key in out) {
-        if (!Array.isArray(out[key])) {
+        if (!IS_ARRAY(out[key])) {
           out[key] = [out[key]];
         }
         out[key].push(value);