Add a Node specific config file

This prevents warnings about not having React installed for Node-only
projects.

README.md

@@ -17,3 +17,12 @@ module.exports = {
   extends: [ "@dexaai/eslint-config" ]
 };
 ```
+
+For Node-only projects (no React/browser code), use the `node` config:
+
+```js filename=.eslintrc.js
+module.exports = {
+  extends: [ "@dexaai/eslint-config/node" ]
+};
+```
+

node.js

@@ -0,0 +1,37 @@
+/**
+ * This is a Node-specific config (without React).
+ */
+
+/**
+ * @see https://github.com/eslint/eslint/issues/3458
+ * @see https://www.npmjs.com/package/@rushstack/eslint-patch
+ */
+require('@rushstack/eslint-patch/modern-module-resolution');
+
+/** @type {import('eslint').Linter.Config} */
+module.exports = {
+  root: true,
+
+  parser: '@typescript-eslint/parser',
+  parserOptions: {
+    ecmaVersion: 'latest',
+    sourceType: 'module',
+    warnOnUnsupportedTypeScriptVersion: true,
+  },
+
+  env: {
+    browser: false,
+    node: true,
+    es6: true,
+  },
+
+  extends: ['./config/core'].map(require.resolve),
+
+  overrides: ['./config/typescript', './config/tests', './config/prettier'].map(
+    require,
+  ),
+
+  ignorePatterns: ['**/node_modules/**', '**/build/**', '**/dist/**'],
+
+  rules: {},
+};

package.json

@@ -9,7 +9,8 @@
   "files": [
     "README.md",
     "config",
-    "index.js"
+    "index.js",
+    "node.js"
   ],
   "scripts": {
     "format": "prettier --write .",