chore: init eslint v9

.vscode/settings.json

@@ -1,6 +1,19 @@
 {
   "editor.formatOnSave": true,
   "eslint.format.enable": true,
+  "eslint.useFlatConfig": true,
+  "eslint.lintTask.enable": true,
+  "eslint.lintTask.options": "--config eslint.config.js .",
+  "eslint.validate": [
+    "javascript",
+    "javascriptreact",
+    "typescript",
+    "typescriptreact",
+    "html"
+  ],
+  "editor.codeActionsOnSave": {
+    "source.fixAll.eslint": "explicit"
+  },
   "prettier.configPath": ".prettierrc.json",
   "[typescript]": {
     "editor.defaultFormatter": "esbenp.prettier-vscode"

eslint.config.mjs

@@ -0,0 +1,45 @@
+import globals from 'globals';
+import pluginJs from '@eslint/js';
+import tsESLint from 'typescript-eslint';
+import eslintPluginReact from 'eslint-plugin-react';
+import eslintPluginNode from 'eslint-plugin-n';
+import typescriptEslint from '@typescript-eslint/eslint-plugin';
+import tsParser from '@typescript-eslint/parser';
+
+/** @type {import('eslint').Linter.Config[]} */
+export default [
+  pluginJs.configs.recommended,
+  ...tsESLint.configs.recommended,
+  eslintPluginReact.configs.flat.recommended,
+  {
+    ...eslintPluginNode.configs['flat/recommended-script'],
+    files: ['scripts/**/*.ts', 'babel.config.js', 'jest.*.js', 'jest.*.*.js'],
+    rules: {
+      // 'no-console': 'error'
+    }
+  },
+  {
+    // files: ['src/**/*.{js,mjs,cjs,ts,jsx,tsx}'],
+    files: ['packages/*/src/**/*.ts'],
+    languageOptions: {
+      globals: globals.browser,
+      parser: tsParser,
+      ecmaVersion: 'latest',
+      sourceType: 'module',
+      parserOptions: {}
+    },
+    plugins: {
+      '@typescript-eslint': typescriptEslint
+    },
+    ignores: ['node_modules'],
+    rules: {
+      semi: 'error',
+      'no-console': 'error',
+      'comma-dangle': ['always-multiline'],
+      '@typescript-eslint/rule-name': 0,
+      '@typescript-eslint/no-explicit-any': 0,
+      '@typescript-eslint/explicit-module-boundary-types': 0,
+      '@typescript-eslint/no-unnecessary-type-constraint': 0
+    }
+  }
+];

package.json

@@ -33,6 +33,7 @@
     "@babel/core": "^7.28.4",
     "@babel/preset-env": "^7.28.3",
     "@babel/preset-typescript": "^7.27.1",
+    "@eslint/js": "^9.35.0",
     "@rollup/plugin-json": "^6.1.0",
     "@types/glob": "^8.1.0",
     "@types/jest": "^30.0.0",
@@ -48,9 +49,12 @@
     "enquirer": "^2.4.1",
     "esbuild": "^0.25.9",
     "eslint": "^9.35.0",
+    "eslint-plugin-n": "^17.21.3",
+    "eslint-plugin-react": "^7.37.5",
     "execa": "^9.6.0",
     "fs-extra": "^11.3.1",
     "glob": "^11.0.3",
+    "globals": "^16.3.0",
     "http-server": "^14.1.1",
     "husky": "^9.1.7",
     "jest": "^30.1.3",
@@ -71,6 +75,7 @@
     "ts-node": "^10.9.2",
     "tslib": "^2.8.1",
     "typescript": "^5.9.2",
+    "typescript-eslint": "^8.42.0",
     "vite": "^7.1.4"
   }
 }