feat: migrate to eslint flat config

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+  "eslint.experimental.useFlatConfig": true
+}

biome.json

@@ -1,5 +1,5 @@
 {
-  "$schema": "https://biomejs.dev/schemas/1.4.0/schema.json",
+  "$schema": "./node_modules/@biomejs/biome/configuration_schema.json",
   "vcs": {
     "enabled": true,
     "clientKind": "git",
@@ -20,20 +20,14 @@
     "indentStyle": "space",
     "indentWidth": 2,
     "lineWidth": 100,
-    "ignore": [
-      "**/.next",
-      "**/.wireit",
-      "**/build",
-      "**/dist",
-      "**/node_modules"
-    ]
+    "ignore": ["**/.next", "**/.wireit", "**/build", "**/dist", "**/node_modules"]
   },
   "javascript": {
     "formatter": {
       "enabled": true,
       "quoteStyle": "single",
       "arrowParentheses": "always",
-      "trailingComma": "all",
+      "trailingCommas": "all",
       "lineEnding": "lf"
     }
   },
@@ -42,4 +36,4 @@
       "enabled": true
     }
   }
-}
+}

package.json

@@ -18,5 +18,6 @@
     "husky": "^9.0.11",
     "is-ci": "^3.0.1",
     "release-it": "^16.3.0"
-  }
+  },
+  "packageManager": "[email protected]+sha512.98a80fd11c2e7096747762304106432b3ddc67dcf54b5a8c01c93f68a2cd5e05e6821849522a06fb76284d41a2660d5e334f2ee3bbf29183bf2e739b1dafa771"
 }

packages/biome-config/lib/biome.json

@@ -1,5 +1,5 @@
 {
-  "$schema": "https://biomejs.dev/schemas/1.4.0/schema.json",
+  "$schema": "./node_modules/@biomejs/biome/configuration_schema.json",
   "vcs": {
     "enabled": true,
     "clientKind": "git",
@@ -27,7 +27,7 @@
       "enabled": true,
       "quoteStyle": "single",
       "arrowParentheses": "always",
-      "trailingComma": "all",
+      "trailingCommas": "all",
       "lineEnding": "lf"
     }
   },

packages/eslint-config-tslint-base/lib/tslint-config.mjs

@@ -0,0 +1,108 @@
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+import { fixupPluginRules } from '@eslint/compat';
+import { FlatCompat } from '@eslint/eslintrc';
+import js from '@eslint/js';
+import typescriptEslint from '@typescript-eslint/eslint-plugin';
+import tsParser from '@typescript-eslint/parser';
+import _import from 'eslint-plugin-import';
+import jsonFiles from 'eslint-plugin-json-files';
+import sortKeysFix from 'eslint-plugin-sort-keys-fix';
+import globals from 'globals';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+const compat = new FlatCompat({
+  baseDirectory: __dirname,
+  recommendedConfig: js.configs.recommended,
+  allConfig: js.configs.all,
+});
+
+export default [
+  {
+    ignores: ['**/.eslintrc.js'],
+  },
+  ...compat.extends('eslint:recommended', 'plugin:eslint-comments/recommended'),
+  {
+    plugins: {
+      '@typescript-eslint': typescriptEslint,
+      'sort-keys-fix': sortKeysFix,
+      import: fixupPluginRules(_import),
+    },
+
+    languageOptions: {
+      globals: {
+        ...globals.node,
+      },
+
+      parser: tsParser,
+      ecmaVersion: 2020,
+      sourceType: 'module',
+
+      parserOptions: {
+        project: ['./tsconfig.json'],
+      },
+    },
+  },
+  ...compat
+    .extends(
+      'eslint:recommended',
+      'plugin:@typescript-eslint/eslint-recommended',
+      'plugin:@typescript-eslint/recommended',
+      'plugin:@typescript-eslint/recommended-requiring-type-checking',
+    )
+    .map((config) => ({
+      ...config,
+      files: ['**/*.ts'],
+    })),
+  {
+    files: ['**/*.ts'],
+    rules: {
+      '@typescript-eslint/ban-ts-comment': 'off',
+      '@typescript-eslint/ban-types': 'off',
+      '@typescript-eslint/consistent-type-imports': 'error',
+      '@typescript-eslint/explicit-module-boundary-types': 'off',
+      '@typescript-eslint/indent': 'off',
+      '@typescript-eslint/no-empty-function': 'off',
+      '@typescript-eslint/no-empty-interface': 'off',
+      '@typescript-eslint/no-explicit-any': 'off',
+      '@typescript-eslint/no-misused-promises': 'off',
+      '@typescript-eslint/no-non-null-assertion': 'off',
+      '@typescript-eslint/no-unnecessary-type-assertion': 'off',
+      '@typescript-eslint/no-unsafe-argument': 'warn',
+      '@typescript-eslint/no-unsafe-assignment': 'off',
+      '@typescript-eslint/no-unsafe-call': 'off',
+      '@typescript-eslint/no-unsafe-member-access': 'off',
+      '@typescript-eslint/no-unsafe-return': 'off',
+      '@typescript-eslint/no-use-before-define': 'off',
+      '@typescript-eslint/no-var-requires': 'off',
+      '@typescript-eslint/restrict-plus-operands': 'off',
+      '@typescript-eslint/restrict-template-expressions': 'off',
+      'eslint-comments/disable-enable-pair': 'error',
+      'eslint-comments/no-aggregating-enable': 'error',
+      'eslint-comments/no-duplicate-disable': 'error',
+      'eslint-comments/no-unlimited-disable': 'error',
+      'eslint-comments/no-unused-disable': 'error',
+      'eslint-comments/no-unused-enable': 'error',
+      'import/first': 'error',
+      'import/newline-after-import': 'error',
+      'import/no-duplicates': 'error',
+      'no-empty': 'off',
+      'no-useless-escape': 'off',
+      'sort-keys-fix/sort-keys-fix': 'warn',
+    },
+  },
+  {
+    files: ['**/*.json'],
+    plugins: {
+      'json-files': jsonFiles,
+    },
+    rules: {
+      'json-files/require-engines': 'warn',
+      'json-files/require-license': 'warn',
+      'json-files/require-unique-dependency-names': 'error',
+      'json-files/sort-package-json': 'warn',
+    },
+  },
+];

packages/eslint-config-tslint-base/package.json

@@ -1,25 +1,26 @@
 {
   "name": "@chieforz/eslint-config-tslint-base",
   "version": "1.2.6",
-  "keywords": [
-    "tslint",
-    "tslint-config",
-    "tslint config"
-  ],
+  "keywords": ["tslint", "tslint-config", "tslint config"],
   "repository": {
     "type": "git",
     "url": "https://github.com/ChiefORZ/tslint-config"
   },
   "license": "MIT",
   "author": "ChiefORZ <[email protected]>",
-  "main": "lib/tslint-config.js",
+  "type": "module",
+  "exports": {
+    ".": "./lib/tslint-config.mjs"
+  },
+  "main": "lib/tslint-config.mjs",
   "directories": {
     "lib": "lib"
   },
-  "files": [
-    "lib"
-  ],
+  "files": ["lib"],
   "dependencies": {
+    "@eslint/compat": "^1.0.3",
+    "@eslint/eslintrc": "^3.1.0",
+    "@eslint/js": "^9.4.0",
     "@typescript-eslint/eslint-plugin": "^7.7.1",
     "@typescript-eslint/eslint-plugin-tslint": "^7.0.2",
     "@typescript-eslint/parser": "^7.7.1",
@@ -29,10 +30,11 @@
     "eslint-plugin-json-files": "^4.2.0",
     "eslint-plugin-prefer-arrow": "^1.2.3",
     "eslint-plugin-sort-keys-fix": "^1.1.2",
+    "globals": "^15.4.0",
     "typescript": "^5.4.5"
   },
   "publishConfig": {
     "access": "public",
     "registry": "https://registry.npmjs.org/"
   }
-}
+}