Clean up code

package.json

@@ -36,6 +36,7 @@
     "extends": "@logux/eslint-config",
     "rules": {
       "n/global-require": "off",
+      "no-control-regex": "off",
       "no-console": "off"
     },
     "overrides": [

packages/esbuild-why/valid-filename.js

@@ -1,28 +1,11 @@
-// from https://github.com/sindresorhus/valid-filename/blob/main/index.js
-function isValidFilename(string) {
-  if (!string || string.length > 255) {
-    return false;
+module.exports = {
+  isValidFilename(string) {
+    if (!string || string.length > 255 || string === '.' || string === '..') {
+      return false
+    }
+    return (
+      !/[<>:"/\\|?*\u0000-\u001F]/g.test(string) &&
+      !/^(con|prn|aux|nul|com\d|lpt\d)$/i.test(string)
+    )
   }
-
-  if (filenameReservedRegex().test(string) || windowsReservedNameRegex().test(string)) {
-    return false;
-  }
-
-  if (string === '.' || string === '..') {
-    return false;
-  }
-
-  return true;
-}
-
-// from https://github.com/sindresorhus/filename-reserved-regex/blob/main/index.js
-function filenameReservedRegex() {
-  // eslint-disable-next-line no-control-regex
-  return /[<>:"/\\|?*\u0000-\u001F]/g;
-}
-
-function windowsReservedNameRegex() {
-  return /^(con|prn|aux|nul|com\d|lpt\d)$/i;
 }
-
-module.exports = { isValidFilename }