eslint.config.mjs

import eslint from '@eslint/js';
import tseslint from '@typescript-eslint/eslint-plugin';
import tsparser from '@typescript-eslint/parser';
import globals from 'globals';

export default [
  eslint.configs.recommended,
  {
    files: ['packages/**/*.ts', 'src/**/*.ts'],
    languageOptions: {
      parser: tsparser,
      parserOptions: {
        ecmaVersion: 'latest',
        sourceType: 'module',
        project: './tsconfig.json',
      },
    },
    plugins: {
      '@typescript-eslint': tseslint,
    },
    rules: {
      // TypeScript specific rules
      '@typescript-eslint/no-explicit-any': 'off',
      '@typescript-eslint/no-unused-vars': [
        'error', // or "error"
        {
          argsIgnorePattern: '^_',
          varsIgnorePattern: '^_',
          caughtErrorsIgnorePattern: '^_',
        },
      ],
      '@typescript-eslint/consistent-type-definitions': ['error', 'interface'],
      '@typescript-eslint/prefer-optional-chain': 'error',
      '@typescript-eslint/naming-convention': [
        'error',
        {
          selector: 'interface',
          format: ['PascalCase'],
        },
        {
          selector: 'typeAlias',
          format: ['PascalCase'],
        },
      ],

      // General rules
      'no-redeclare': 'off',
      'no-unused-vars': 'off',
      'no-dupe-class-members': 'off',
      'no-console': 'error',
      eqeqeq: ['error', 'always'],
      'no-unused-expressions': 'error',
      'no-duplicate-imports': 'error',
      'sort-imports': [
        'error',
        {
          ignoreCase: true,
          ignoreDeclarationSort: true,
        },
      ],
    },
  },
  {
    files: ['**/*.js', '**/*.mjs'],
    languageOptions: {
      ecmaVersion: 'latest',
      sourceType: 'module',
      globals: { ...globals.node },
    },
  },
  {
    files: ['**/*.test.ts', '**/*.spec.ts'],
    languageOptions: {
      globals: { ...globals.jasmine, ...globals.jest, ...globals.node },
    },
    rules: {
      'no-redeclare': 'off',
      'no-console': 'off',
    },
  },
];