1 files changed, 8 insertions, 13 deletions
diff --git a/js/src/Ice/Debug.js b/js/src/Ice/Debug.js
index 843c59979d2..5764ba876f8 100644
--- a/js/src/Ice/Debug.js
+++ b/js/src/Ice/Debug.js
@@ -7,25 +7,20 @@
 //
 // **********************************************************************
 
-var Ice = require("../Ice/ModuleRegistry").Ice;
-var fs = require("fs");
+const Ice = require("../Ice/ModuleRegistry").Ice;
+const fs = require("fs");
 
-function writeSync(stream, msg)
+class Debug
 {
-    var data = new Buffer(msg + "\n");
-    fs.writeSync(stream.fd, data, 0, data.length, stream.pos);
-}
-
-Ice.Debug =
-{
-    assert: function(b, msg)
+    static assert(b, msg)
     {
         if(!b)
         {
-            writeSync(process.stderr, msg === undefined ? "assertion failed" : msg);
-            writeSync(process.stderr, new Error().stack);
+            fs.writeSync(process.stderr.fd, msg === undefined ? "assertion failed" : msg);
+            fs.writeSync(process.stderr.fd, new Error().stack);
             process.exit(1);
         }
     }
-};
+}
+Ice.Debug = Debug;
 module.exports.Ice = Ice;