errors: only init colors when util is not loaded

joyeecheung · MayaLekova · commit 3d8b21a4abf3 · 2018-05-08T17:35:11.000+02:00
PR-URL: nodejs#18359 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
diff --git a/lib/internal/errors.js b/lib/internal/errors.js
@@ -270,12 +270,14 @@ class AssertionError extends Error {
     if (message != null) {
       super(message);
     } else {
-      const util = lazyUtil();
-      if (process.stdout.isTTY && process.stdout.getColorDepth() !== 1) {
+      if (util_ === null &&
+          process.stdout.isTTY &&
+          process.stdout.getColorDepth() !== 1) {
         green = '\u001b[32m';
         white = '\u001b[39m';
         red = '\u001b[31m';
       }
+      const util = lazyUtil();
 
       if (actual && actual.stack && actual instanceof Error)
         actual = `${actual.name}: ${actual.message}`;
