Use latest API of supports-color.

Signed-off-by: Eric Wang <[email protected]>

Author: skygragon

lib/chalk.js

@@ -3,8 +3,8 @@ var style = require('ansi-styles');
 var supportsColor = require('supports-color');
 
 var chalk = {
-  enabled: supportsColor,
-  use256:  supportsColor && supportsColor.has256,
+  enabled: supportsColor.stdout,
+  use256:  supportsColor.stdout && supportsColor.stdout.has256,
   themes:  {},
   theme:   {}
 };