use flat config

jotaijs · Jan 23, 2025 · e33c165 · e33c165
1 parent 99b065d
commit e33c165
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Showing 7 changed files with 3,452 additions and 1,643 deletions.
diff --git a/.eslintignore b/.eslintignore
diff --git a/.eslintrc.json b/.eslintrc.json
diff --git a/eslint.config.ts b/eslint.config.ts
@@ -0,0 +1,122 @@
+import js from '@eslint/js'
+import configPrettier from 'eslint-config-prettier'
+import importPlugin from 'eslint-plugin-import'
+import prettierPlugin from 'eslint-plugin-prettier'
+import * as tseslint from 'typescript-eslint'
+
+export default tseslint.config(
+  // ─────────────────────────────────────────────────────────────
+  // 1) Main config, merges "extends" equivalents + custom rules
+  // ─────────────────────────────────────────────────────────────
+  {
+    files: ['**/*.{js,jsx,ts,tsx,json}'],
+  },
+  {
+    plugins: {
+      prettier: prettierPlugin,
+      '@typescript-eslint': tseslint.plugin,
+    },
+  },
+  js.configs.recommended,
+  tseslint.configs.recommended,
+  configPrettier,
+  importPlugin.flatConfigs.recommended,
+  {
+    rules: {
+      curly: ['warn', 'multi-line', 'consistent'],
+      eqeqeq: 'error',
+      'no-console': 'off',
+      'no-inner-declarations': 'off',
+      'no-var': 'error',
+      'prefer-const': 'error',
+      'sort-imports': [
+        'error',
+        {
+          ignoreDeclarationSort: true,
+        },
+      ],
+      'import/no-unresolved': ['error', { commonjs: true, amd: true }],
+      'import/export': 'error',
+      'import/no-duplicates': ['error'],
+      'import/order': [
+        'error',
+        {
+          alphabetize: { order: 'asc', caseInsensitive: true },
+          groups: [
+            'builtin',
+            'external',
+            'internal',
+            'parent',
+            'sibling',
+            'index',
+            'object',
+          ],
+          'newlines-between': 'never',
+          pathGroups: [
+            {
+              pattern: 'react',
+              group: 'builtin',
+              position: 'before',
+            },
+          ],
+          pathGroupsExcludedImportTypes: ['builtin'],
+        },
+      ],
+      'prettier/prettier': 'error',
+      '@typescript-eslint/explicit-module-boundary-types': 'off',
+      '@typescript-eslint/no-empty-function': 'off',
+      '@typescript-eslint/no-explicit-any': 'off',
+      '@typescript-eslint/no-unused-expressions': 'off',
+      '@typescript-eslint/no-unused-vars': [
+        'warn',
+        { argsIgnorePattern: '^_', varsIgnorePattern: '^_' },
+      ],
+      '@typescript-eslint/no-use-before-define': 'off',
+    },
+    settings: {
+      react: { version: 'detect' },
+      'import/extensions': ['.js', '.jsx', '.ts', '.tsx'],
+      'import/parsers': {
+        '@typescript-eslint/parser': ['.js', '.jsx', '.ts', '.tsx'],
+      },
+      'import/resolver': {
+        typescript: true,
+        node: {
+          extensions: ['.js', '.jsx', '.ts', '.tsx', '.json'],
+          paths: ['src'],
+        },
+      },
+    },
+  },
+  {
+    ignores: ['dist/'],
+  },
+
+  // ─────────────────────────────────────────────────────────────
+  // 2) Overrides for "src" — specify TS project config
+  // ─────────────────────────────────────────────────────────────
+  {
+    files: ['src'],
+    languageOptions: {
+      parserOptions: {
+        project: './tsconfig.json',
+      },
+    },
+  },
+
+  // ─────────────────────────────────────────────────────────────
+  // 3) Overrides for test files (if needed)
+  // ─────────────────────────────────────────────────────────────
+  {
+    files: ['tests/**/*.tsx', 'tests/**/*'],
+    rules: {},
+  },
+
+  // ─────────────────────────────────────────────────────────────
+  // 4) Overrides for JS config files in root
+  // ─────────────────────────────────────────────────────────────
+  {
+    files: ['./*.js'],
+    rules: {},
+  }
+)
diff --git a/package.json b/package.json
@@ -36,14 +36,14 @@
     "src",
     "dist"
   ],
-  "packageManager": "pnpm@9.15.0",
+  "packageManager": "pnpm@8.15.0",
   "scripts": {
     "compile": "rm -rf dist && pnpm run '/^compile:.*/'",
     "compile:esm": "tsc -p tsconfig.esm.json",
     "compile:cjs": "tsc -p tsconfig.cjs.json && echo '{\"type\":\"commonjs\"}' > dist/cjs/package.json",
     "fix": "pnpm run '/^fix:.*/'",
     "fix:format": "prettier --write .",
-    "fix:lint": "eslint . --fix",
+    "fix:lint": "eslint --config ./eslint.config.ts --fix .",
     "test": "pnpm run \"/^test:.*/\"",
     "test:format": "prettier --list-different .",
     "test:types": "tsc --noEmit",
@@ -58,6 +58,7 @@
   ],
   "license": "MIT",
   "devDependencies": {
+    "@eslint/js": "^9.18.0",
     "@testing-library/dom": "10.0.0",
     "@testing-library/react": "^16.2.0",
     "@testing-library/user-event": "^14.6.1",
@@ -66,23 +67,23 @@
     "@types/react-dom": "^19.0.2",
     "@typescript-eslint/eslint-plugin": "^8.18.1",
     "@typescript-eslint/parser": "^8.18.1",
-    "eslint": "8.57.0",
+    "eslint": "^9.18.0",
     "eslint-config-prettier": "^9.1.0",
     "eslint-import-resolver-typescript": "^3.7.0",
-    "eslint-plugin-import": "^2.31.0",
+    "eslint-plugin-import": "2.31.0",
     "eslint-plugin-prettier": "^5.2.3",
-    "eslint-plugin-react": "^7.37.2",
-    "eslint-plugin-react-hooks": "^5.1.0",
     "happy-dom": "^15.11.7",
+    "jiti": "^2.4.2",
     "jotai": "2.11.1",
     "jotai-effect": "link:",
     "prettier": "^3.4.2",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
     "react-error-boundary": "^4.0.11",
     "typescript": "^5.7.2",
-    "vite": "^6.0.4",
-    "vitest": "^2.1.8"
+    "typescript-eslint": "^8.21.0",
+    "vite": "^6.0.11",
+    "vitest": "^3.0.3"
   },
   "peerDependencies": {
     "jotai": ">=2.5.0"