feat: support eslint.config.js (fixes #89)

README.md

@@ -17,7 +17,7 @@ npm install --save-dev eslint eslint-plugin-n
 
 **Note:** It recommends a use of [the "engines" field of package.json](https://docs.npmjs.com/files/package.json#engines). The "engines" field is used by `n/no-unsupported-features/*` rules.
 
-**.eslintrc.json** (An example)
+### **.eslintrc.json** (An example)
 
 ```jsonc
 {
@@ -27,19 +27,26 @@ npm install --save-dev eslint eslint-plugin-n
         "ecmaVersion": 2020
     },
     "rules": {
-        "n/exports-style": ["error", "module.exports"],
-        "n/file-extension-in-import": ["error", "always"],
-        "n/prefer-global/buffer": ["error", "always"],
-        "n/prefer-global/console": ["error", "always"],
-        "n/prefer-global/process": ["error", "always"],
-        "n/prefer-global/url-search-params": ["error", "always"],
-        "n/prefer-global/url": ["error", "always"],
-        "n/prefer-promises/dns": "error",
-        "n/prefer-promises/fs": "error"
+        "n/exports-style": ["error", "module.exports"]
     }
 }
 ```
 
+### `eslint.config.js`
+
+```js
+const nodeRecommended = require("eslint-plugin-n/configs/recommended")
+
+module.exports = [
+    nodeRecommended,
+    {
+        rules: {
+            "n/exports-style": ["error", "module.exports"]
+        }
+    }
+]
+```
+
 **package.json** (An example)
 
 ```json

configs/recommended-module.js

@@ -0,0 +1,13 @@
+/**
+ * @fileoverview the `recommended-module` config for `eslint.config.js`
+ * @author 唯然<[email protected]>
+ */
+
+"use strict"
+
+const { configs, rules } = require("../lib/index.js")
+
+module.exports = {
+    plugins: { n: { rules } },
+    rules: configs["recommended-module"].rules,
+}

configs/recommended-script.js

@@ -0,0 +1,13 @@
+/**
+ * @fileoverview the `recommended-script` config for `eslint.config.js`
+ * @author 唯然<[email protected]>
+ */
+
+"use strict"
+
+const { configs, rules } = require("../lib/index.js")
+
+module.exports = {
+    plugins: { n: { rules } },
+    rules: configs["recommended-script"].rules,
+}

configs/recommended.js

@@ -0,0 +1,13 @@
+/**
+ * @fileoverview the `recommended` config for `eslint.config.js`
+ * @author 唯然<[email protected]>
+ */
+
+"use strict"
+
+const { configs, rules } = require("../lib/index.js")
+
+module.exports = {
+    plugins: { n: { rules } },
+    rules: configs.recommended.rules,
+}

package.json

@@ -7,7 +7,8 @@
     },
     "main": "lib/index.js",
     "files": [
-        "lib"
+        "lib/",
+        "configs/"
     ],
     "peerDependencies": {
         "eslint": ">=7.0.0"