lib: macro-ify type checks

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

1 files changed, 7 insertions, 7 deletions

diff --git a/lib/_tls_legacy.js b/lib/_tls_legacy.js
index 4acabe3937..6c85251c1d 100644
--- a/lib/_tls_legacy.js
+++ b/lib/_tls_legacy.js
@@ -36,7 +36,7 @@ SlabBuffer.prototype.use = function use(context, fn, size) {
 
   var actualSize = this.remaining;
 
-  if (size !== null) actualSize = Math.min(size, actualSize);
+  if (!IS_NULL(size)) actualSize = Math.min(size, actualSize);
 
   var bytes = fn.call(context, this.pool, this.offset, actualSize);
   if (bytes > 0) {
@@ -72,7 +72,7 @@ function CryptoStream(pair, options) {
   this._finished = false;
   this._opposite = null;
 
-  if (slabBuffer === null) slabBuffer = new SlabBuffer();
+  if (IS_NULL(slabBuffer)) slabBuffer = new SlabBuffer();
   this._buffer = slabBuffer;
 
   this.once('finish', onCryptoStreamFinish);
@@ -144,7 +144,7 @@ CryptoStream.prototype.init = function init() {
 
 
 CryptoStream.prototype._write = function write(data, encoding, cb) {
-  assert(this._pending === null);
+  assert(IS_NULL(this._pending));
 
   // Black-hole data
   if (!this.pair.ssl) return cb(null);
@@ -191,7 +191,7 @@ CryptoStream.prototype._write = function write(data, encoding, cb) {
 
       // Invoke callback only when all data read from opposite stream
       if (this._opposite._halfRead) {
-        assert(this._sslOutCb === null);
+        assert(IS_NULL(this._sslOutCb));
         this._sslOutCb = cb;
       } else {
         cb(null);
@@ -285,8 +285,8 @@ CryptoStream.prototype._read = function read(size) {
   }
 
   // Try writing pending data
-  if (this._pending !== null) this._writePending();
-  if (this._opposite._pending !== null) this._opposite._writePending();
+  if (!IS_NULL(this._pending)) this._writePending();
+  if (!IS_NULL(this._opposite._pending)) this._opposite._writePending();
 
   if (bytesRead === 0) {
     // EOF when cleartext has finished and we have nothing to read
@@ -405,7 +405,7 @@ CryptoStream.prototype.end = function(chunk, encoding) {
   }
 
   // Write pending data first
-  if (this._pending !== null) this._writePending();
+  if (!IS_NULL(this._pending)) this._writePending();
 
   this.writable = false;