eslint.config.mjs

import js from '@eslint/js';
import tsPlugin from '@typescript-eslint/eslint-plugin';
import tsParser from '@typescript-eslint/parser';
import reactPlugin from 'eslint-plugin-react';
import reactHooksPlugin from 'eslint-plugin-react-hooks';
import a11yPlugin from 'eslint-plugin-jsx-a11y';
import prettierConfig from 'eslint-config-prettier';
import globals from 'globals';

export default [
  js.configs.recommended,
  {
    ignores: ['node_modules/**', 'dist/**', 'build/**', 'coverage/**'],
  },
  {
    files: ['**/*.{ts,tsx}'],
    plugins: {
      '@typescript-eslint': tsPlugin,
    },
    languageOptions: {
      parser: tsParser,
      parserOptions: {
        ecmaVersion: 2021,
        sourceType: 'module',
        ecmaFeatures: {
          jsx: true,
        },
      },
      globals: {
        ...globals.browser,
        ...globals.node,
        myCustomGlobal: 'readonly',
      },
    },
    rules: {
      // TypeScript specific rules
      '@typescript-eslint/no-explicit-any': 'warn',
      '@typescript-eslint/no-unused-vars': ['error', { argsIgnorePattern: '^_' }],
      '@typescript-eslint/no-non-null-assertion': 'warn',
      '@typescript-eslint/no-empty-interface': 'warn',
      '@typescript-eslint/prefer-interface': 'off',
      '@typescript-eslint/interface-name-prefix': 'off',
    },
  },
  {
    files: ['**/*.{js,jsx,ts,tsx}'],
    plugins: {
      react: reactPlugin,
      'react-hooks': reactHooksPlugin,
      'jsx-a11y': a11yPlugin,
    },
    settings: {
      react: {
        version: 'detect',
      },
    },
    rules: {
      // General JavaScript/TypeScript rules
      'no-console': ['warn', { allow: ['warn', 'error'] }],
      'no-debugger': 'warn',
      'no-unused-vars': 'off', // TypeScript rule is used instead
      'prefer-const': 'error',
      'no-var': 'error',
      eqeqeq: ['error', 'always'],

      // React specific rules
      'react/prop-types': 'off', // Not needed when using TypeScript
      'react/react-in-jsx-scope': 'off', // Not needed in React 17+
      'react/display-name': 'off',
      'react/no-unescaped-entities': 'warn',
      'react/no-children-prop': 'error',
      'react/no-array-index-key': 'warn',
      'react/no-unused-prop-types': 'warn',
      'react/jsx-no-target-blank': 'warn',
      'react/jsx-curly-brace-presence': ['warn', { props: 'never', children: 'never' }],

      // React Hooks rules
      'react-hooks/rules-of-hooks': 'error',
      'react-hooks/exhaustive-deps': 'warn',

      // Accessibility rules
      'jsx-a11y/alt-text': 'warn',
      'jsx-a11y/anchor-is-valid': 'warn',
      'jsx-a11y/click-events-have-key-events': 'warn',
      'jsx-a11y/no-static-element-interactions': 'warn',
    },
  },
  prettierConfig,
];