sys: print stack trace if NODE_DEBUG=sys

nodejs · Nov 29, 2011 · 5fea005 · 5fea005
1 parent 6ed721a
commit 5fea005
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/lib/sys.js b/lib/sys.js
@@ -25,7 +25,10 @@ var sysWarning;
 if (!sysWarning) {
   sysWarning = 'The "sys" module is now called "util". ' +
                'It should have a similar interface.';
-  util.error(sysWarning);
+  if (process.env.NODE_DEBUG && process.env.NODE_DEBUG.indexOf('sys') != -1)
+    console.trace(sysWarning);
+  else
+    console.error(sysWarning);
 }
 
 exports.print = util.print;