.eslintrc.js

module.exports = {
  extends: ['react-app', 'prettier'],
  globals: {
    Atomics: 'readonly',
    SharedArrayBuffer: 'readonly',
  },
  plugins: ['prettier'],
  rules: {
    'prettier/prettier': ['error', { singleQuote: true }],
    '@typescript-eslint/ban-types': 'off',
  },
  settings: {
    react: {
      version: '16',
    },
  },
  overrides: [
    {
      files: ['**/*.{ts,tsx}'],
      extends: [
        'plugin:@typescript-eslint/eslint-recommended',
        'plugin:@typescript-eslint/recommended',
        'plugin:prettier/recommended',
        'prettier',
      ],
      parserOptions: {
        project: ['./packages/*/tsconfig.json'],
        tsconfigRootDir: __dirname,
      },
      rules: {
        '@typescript-eslint/no-explicit-any': 'error',
        '@typescript-eslint/explicit-function-return-type': 'off',
        '@typescript-eslint/camelcase': 'off',
        '@typescript-eslint/no-unused-vars': [
          'error',
          {
            vars: 'all',
            args: 'after-used',
            ignoreRestSiblings: true,
            argsIgnorePattern: '^_',
            varsIgnorePattern: '^_',
          },
        ],
        '@typescript-eslint/ban-types': 'off',
        '@typescript-eslint/ban-ts-comment': 'off',
      },
    },
    {
      files: ['**/*.test.{ts,tsx}'],
      rules: {
        '@typescript-eslint/no-explicit-any': 'off',
        '@typescript-eslint/ban-types': 'off',
        '@typescript-eslint/ban-ts-comment': 'off',
      },
    },
  ],
}