1 files changed, 12 insertions, 2 deletions
diff --git a/node_modules/colors/lib/colors.js b/node_modules/colors/lib/colors.js
index 7ca90fa90..9c7f1d141 100644
--- a/node_modules/colors/lib/colors.js
+++ b/node_modules/colors/lib/colors.js
@@ -62,7 +62,16 @@ var stylize = colors.stylize = function stylize(str, style) {
     return str+'';
   }
 
-  return ansiStyles[style].open + str + ansiStyles[style].close;
+  var styleMap = ansiStyles[style];
+
+  // Stylize should work for non-ANSI styles, too
+  if(!styleMap && style in colors){
+    // Style maps like trap operate as functions on strings;
+    // they don't have properties like open or close.
+    return colors[style](str);
+  }
+
+  return styleMap.open + str + styleMap.close;
 };
 
 var matchOperatorsRe = /[|\\{}()[\]^$+*?.]/g;
@@ -105,7 +114,8 @@ function applyStyle() {
   var args = Array.prototype.slice.call(arguments);
 
   var str = args.map(function(arg) {
-    if (arg !== undefined && arg.constructor === String) {
+    // Use weak equality check so we can colorize null/undefined in safe mode
+    if (arg != null && arg.constructor === String) {
       return arg;
     } else {
       return util.inspect(arg);