fix: added mjs to the postinstall script

Signed-off-by: prisis <d.bannert@anolilab.de>

Author: prisis

packages/eslint-config/README.md

@@ -66,6 +66,10 @@ If you don’t have a `.eslintrc.js`, we will create the file for you after inst
 
 If you already have a `.eslintrc.js`, then you can extend the `.eslintrc.js`, with `@anolilab/eslint-config`.
 
+> Note: If the script detects an existing `.eslintrc.js` file, it will not overwrite it.
+
+> Note: It can happen that the postinstall script don't run, then you have to add the `.eslintrc.js` manually.
+
 > Note: Our default export contains all of our ESLint rules, including ECMAScript 6+. `@anolilab/eslint-config` use the `ecmaVersion`:`2021` as default.
 >
 > To change this configuration, change `env: { es2021: false, then active you needed env }` same for, `parserOptions: { "ecmaVersion": 2021 change the version }`

packages/eslint-config/src/postinstall.ts

@@ -21,7 +21,7 @@ const configFile = ".eslintrc";
 // eslint-disable-next-line sonarjs/cognitive-complexity
 const writeEslintRc = () => {
     // eslint-disable-next-line no-restricted-syntax
-    for (const filename of [configFile, `${configFile}.js`, `${configFile}.cjs`, `${configFile}.json`, `${configFile}.yaml`, `${configFile}.yml`]) {
+    for (const filename of [configFile, `${configFile}.js`, `${configFile}.cjs`, `${configFile}.mjs`, `${configFile}.json`, `${configFile}.yaml`, `${configFile}.yml`]) {
         if (existsSync(join(projectPath, filename))) {
             console.warn(`⚠️  ${filename} already exists;
 Make sure that it includes the following for @anolilab/eslint-config'