.eslintrc.js

module.exports = {
  root: true,
  env: {
    es6: true,
    node: true,
    browser: true,
  },
  globals: {
    Atomics: 'readonly',
    SharedArrayBuffer: 'readonly',
  },
  parser: '@typescript-eslint/parser',
  plugins: ['@typescript-eslint', 'prettier'],
  extends: [
    'eslint:recommended',
    'plugin:@typescript-eslint/eslint-recommended',
    'plugin:@typescript-eslint/recommended',
    'prettier',
    'plugin:prettier/recommended',
  ],
  rules: {
    'prettier/prettier': 'error',
    // too many tests to fix, disable for now
    '@typescript-eslint/ban-types': 'off',
    // customize argument ignore pattern
    'no-unused-vars': 'off',
    '@typescript-eslint/no-unused-vars': ['error', {argsIgnorePattern: '^_'}],
  },
  overrides: [
    {
      files: ['**/__tests__/**/*.ts', '**/*.test.ts', '**/*.spec.ts'],
      env: {
        jest: true,
        'jest/globals': true,
      },
      plugins: ['jest'],
      extends: ['plugin:jest/recommended'],
      rules: {
        // Test-specific rules
        'no-empty-function': 'off',
        'no-unused-expressions': 'off',
        // jest specific
        'jest/no-conditional-expect': 'off',
        // Any other rule adjustments for test files
        '@typescript-eslint/no-empty-function': 'off',
        '@typescript-eslint/no-explicit-any': 'off',
        '@typescript-eslint/no-unsafe-call': 'off',
        '@typescript-eslint/no-unsafe-member-access': 'off',
        '@typescript-eslint/no-unsafe-assignment': 'off',
      },
    },
    {
      files: ['src/**/*.ts'],
      rules: {
        // Source file specific rules
      },
    },
  ],
};