.eslintrc.js

module.exports = {
  parser: '@typescript-eslint/parser',
  extends: [
    'eslint:recommended',
    'plugin:@typescript-eslint/recommended'
  ],
  plugins: ['@typescript-eslint'],
  env: {
    browser: true,
    es2021: true,
    node: true
  },
  parserOptions: {
    ecmaVersion: 2021,
    sourceType: 'module',
    project: ['./tsconfig.json'],
    tsconfigRootDir: __dirname,
    createDefaultProgram: true
  },
  rules: {
    '@typescript-eslint/explicit-function-return-type': 'off',
    '@typescript-eslint/no-explicit-any': 'warn',
    '@typescript-eslint/no-unused-vars': ['error', { 
      'argsIgnorePattern': '^_',
      'varsIgnorePattern': '^_'
    }],
    'no-console': ['warn', { allow: ['warn', 'error'] }]
  },
  overrides: [{
    files: ['.eslintrc.js'],
    parser: 'espree'
  }]
}