feat: simplify configuration

docs: provide examples

Author: mnaoumov

README.md

@@ -24,29 +24,35 @@ To use the recommended configuration, add it to your `eslint.config.js` file. Th
 
 ```javascript
 // eslint.config.mjs
-import tsparser from "@typescript-eslint/parser";
-import { defineConfig } from "eslint/config";
 import obsidianmd from "eslint-plugin-obsidianmd";
-
-export default defineConfig([
-  ...obsidianmd.configs.recommended,
-  {
-    files: ["**/*.ts"],
-    languageOptions: {
-      parser: tsparser,
-      parserOptions: { project: "./tsconfig.json" },
-    },
-
-    // You can add your own configuration to override or add rules
-    rules: {
-      // example: turn off a rule from the recommended set
-      "obsidianmd/sample-names": "off",
-      // example: add a rule not in the recommended set and set its severity
-      "obsidianmd/prefer-file-manager-trash": "error",
-    },
-  },
-]);
-
+import { defineConfig, globalIgnores } from "eslint/config";
+
+export default defineConfig(
+	globalIgnores([
+		"node_modules",
+		"dist",
+		"esbuild.config.mjs",
+		"eslint.config.mjs",
+		"version-bump.mjs"
+	]),
+	{
+		files: [
+			'**/*.js',
+			'**/*.jsx',
+			'**/*.cjs',
+			'**/*.mjs',
+			'**/*.ts',
+			'**/*.tsx',
+			'**/*.cts',
+			'**/*.mts',
+		],
+		extends: obsidianmd.configs.recommended
+	},
+	{
+		files: ['package.json'],
+		extends: obsidianmd.configs.packageJson
+	}
+);
 ```
 
 ### Legacy Config (`.eslintrc`)

lib/index.ts

@@ -32,6 +32,7 @@ import depend from 'eslint-plugin-depend';
 import globals from "globals";
 import fs from "node:fs";
 import path from "node:path";
+import { cwd } from "node:process";
 import { Config, defineConfig, globalIgnores } from "eslint/config";
 import type { RuleDefinition, RuleDefinitionTypeOptions, RulesConfig } from "@eslint/core";
 
@@ -222,7 +223,12 @@ const flatRecommendedConfig: Config[] = defineConfig([
             "@microsoft/sdl": sdl,
             depend
         },
-        files: ['**/*.js', "**/*.jsx"],
+        files: [
+            '**/*.js',
+            "**/*.jsx",
+            '**/*.cjs',
+            '**/*.mjs',
+        ],
         extends: tseslint.configs.recommended as Config[],
         rules: {
             ...flatRecommendedGeneralRules,
@@ -235,7 +241,12 @@ const flatRecommendedConfig: Config[] = defineConfig([
             "@microsoft/sdl": sdl,
             depend
         },
-        files: ['**/*.ts', "**/*.tsx"],
+        files: [
+            '**/*.ts',
+            '**/*.tsx',
+            '**/*.cts',
+            '**/*.mts',
+        ],
         extends: tseslint.configs.recommendedTypeChecked as Config[],
         rules: {
             ...flatRecommendedGeneralRules,
@@ -269,9 +280,42 @@ const flatRecommendedConfig: Config[] = defineConfig([
                 sleep: "readonly"
             }
         },
-    }
+    },
+    {
+        languageOptions: {
+            parserOptions: {
+                ecmaFeatures: {
+                    jsx: true
+                },
+                projectService: {
+                    allowDefaultProject: [
+                        '*.js',
+                        '*.jsx',
+                        '*.cjs',
+                        '*.mjs',
+                    ],
+                },
+                tsconfigRootDir: getRootFolder() ?? ''
+            },
+        }
+    },
+    globalIgnores([
+        'node_modules',
+    ])
 ]);
 
+function getRootFolder(): string | null {
+    let currentFolder = cwd();
+    while (currentFolder !== '.' && currentFolder !== '/') {
+        if (fs.existsSync(path.join(currentFolder, 'package.json'))) {
+            return currentFolder;
+        }
+        currentFolder = path.dirname(currentFolder);
+    }
+
+    return null;
+}
+
 const hybridRecommendedConfig: Config[] = defineConfig({
     rules: recommendedPluginRulesConfig,
     extends: flatRecommendedConfig