.eslintrc.cjs

/** @type {import('eslint').Linter.Config} */
module.exports = {
  root: true,
  env: {
    browser: true,
    node: true,
    es2022: true,
  },
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaVersion: 'latest',
    sourceType: 'module',
  },
  plugins: ['@typescript-eslint', 'import'],
  extends: [
    'eslint:recommended',
    'plugin:@typescript-eslint/recommended',
    'plugin:import/recommended',
    'plugin:import/typescript',
    'prettier',
  ],
  settings: {
    'import/resolver': {
      node: true,
    },
    'import/parsers': {
      '@typescript-eslint/parser': ['.ts', '.tsx'],
    },
  },
  rules: {
    // TypeScript specific rules
    '@typescript-eslint/no-unused-vars': [
      'error',
      { argsIgnorePattern: '^_', varsIgnorePattern: '^_' },
    ],
    '@typescript-eslint/explicit-function-return-type': 'off',
    '@typescript-eslint/explicit-module-boundary-types': 'off',
    '@typescript-eslint/no-explicit-any': 'error',
    '@typescript-eslint/prefer-nullish-coalescing': 'off',
    '@typescript-eslint/prefer-optional-chain': 'off',
    '@typescript-eslint/strict-boolean-expressions': 'off',

    // Import rules
    'import/order': [
      'error',
      {
        groups: ['builtin', 'external', 'internal', 'parent', 'sibling', 'index'],
        'newlines-between': 'always',
        alphabetize: { order: 'asc', caseInsensitive: true },
      },
    ],
    'import/no-unresolved': 'off', // TypeScript handles this
    'import/namespace': 'off', // TypeScript handles this
    'import/no-duplicates': 'off', // Disabled due to resolver issues with TS 5.9

    // General rules
    'no-console': 'warn',
    'prefer-const': 'error',
    'no-var': 'error',
  },
  ignorePatterns: ['dist/', 'node_modules/', 'coverage/', '*.js', '*.cjs', '*.mjs'],
};