added nopstream to mimic writing to /dev/null on windows

Author: stammen

bin/vows

@@ -5,7 +5,7 @@ var path   = require('path'),
     fs     = require('fs'),
     util   = require('util'),
     wildcard   = require('../lib/utils/wildcard').wildcard,
-    NullStream   = require('../lib/utils/nullstream').NullStream,
+    NopStream   = require('../lib/utils/nopstream').NopStream,
     events = require('events');
 
 //
@@ -192,7 +192,7 @@ if (options.supressStdout) {
     var devNullStream = null;
 
     if(process.platform === 'win32'){
-        devNullStream = new NullStream();
+        devNullStream = new NopStream ();
     } else {
         devNullStream = fs.createWriteStream('/dev/null');
     }

lib/utils/nopstream.js

@@ -0,0 +1,24 @@
+// NopStream
+// a writeable stream to mimic writing to /dev/null on windows
+// from https://gist.github.com/3221453
+
+// Set both readable and writable in constructor.
+var NopStream  = exports.NopStream  = function () {
+    this.readable = true;
+    this.writable = true;
+};
+
+// Inherit from base stream class.
+require('util').inherits(NopStream , require('stream'));
+
+// Extract args to `write` and emit as `data` event.
+NopStream .prototype.write = function () {
+    args = Array.prototype.slice.call(arguments, 0);
+    this.emit.apply(this, ['data'].concat(args))
+};
+
+// Extract args to `end` and emit as `end` event.
+NopStream .prototype.end = function () {
+    args = Array.prototype.slice.call(arguments, 0);
+    this.emit.apply(this, ['end'].concat(args))
+};