eslint.config.js

/**
 * ESLint Configuration
 *
 * ESLint is a static code analysis tool for identifying problematic patterns in JavaScript/TypeScript code.
 */

import globals from 'globals'
import reactHooks from 'eslint-plugin-react-hooks'
import reactRefresh from 'eslint-plugin-react-refresh'
import tseslint from '@typescript-eslint/eslint-plugin'
import tsparser from '@typescript-eslint/parser'

export default [
  // Ignore build output directory
  { ignores: ['dist', 'node_modules'] },

  // Configuration for JavaScript/JSX files
  {
    files: ['**/*.{js,jsx}'],
    languageOptions: {
      ecmaVersion: 2020,
      globals: globals.browser,
      parserOptions: {
        ecmaVersion: 'latest',
        ecmaFeatures: { jsx: true },
        sourceType: 'module',
      },
    },
    plugins: {
      'react-hooks': reactHooks,
      'react-refresh': reactRefresh,
    },
    rules: {
      'no-unused-vars': ['error', { varsIgnorePattern: '^[A-Z_]', argsIgnorePattern: '^_' }],
      'react-refresh/only-export-components': ['warn', { allowConstantExport: true }],
    },
  },

  // Configuration for TypeScript/TSX files
  {
    files: ['**/*.{ts,tsx}'],
    languageOptions: {
      ecmaVersion: 2020,
      globals: globals.browser,
      parser: tsparser,
      parserOptions: {
        ecmaVersion: 'latest',
        ecmaFeatures: { jsx: true },
        sourceType: 'module',
      },
    },
    plugins: {
      '@typescript-eslint': tseslint,
      'react-hooks': reactHooks,
      'react-refresh': reactRefresh,
    },
    rules: {
      'no-unused-vars': 'off',
      '@typescript-eslint/no-unused-vars': ['error', {
        varsIgnorePattern: '^[A-Z_]',
        argsIgnorePattern: '^_'
      }],
      '@typescript-eslint/no-explicit-any': 'warn',
      'react-refresh/only-export-components': ['warn', { allowConstantExport: true }],
    },
  },
]