util: use blue on non-windows systems for number/bigint

PR-URL: #18925
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>

Author: devsnek

lib/util.js

@@ -339,10 +339,11 @@ inspect.colors = Object.assign(Object.create(null), {
 });
 
 // Don't use 'blue' not visible on cmd.exe
+const windows = process.platform === 'win32';
 inspect.styles = Object.assign(Object.create(null), {
   'special': 'cyan',
-  'number': 'yellow',
-  'bigint': 'yellow',
+  'number': windows ? 'yellow' : 'blue',
+  'bigint': windows ? 'yellow' : 'blue',
   'boolean': 'yellow',
   'undefined': 'grey',
   'null': 'bold',

test/parallel/test-stream-buffer-list.js

@@ -34,7 +34,8 @@ assert.deepStrictEqual(list, new BufferList());
 
 const tmp = util.inspect.defaultOptions.colors;
 util.inspect.defaultOptions = { colors: true };
+const color = util.inspect.colors[util.inspect.styles.number];
 assert.strictEqual(
   util.inspect(list),
-  'BufferList { length: \u001b[33m0\u001b[39m }');
+  `BufferList { length: \u001b[${color[0]}m0\u001b[${color[1]}m }`);
 util.inspect.defaultOptions = { colors: tmp };