.eslintrc.js

module.exports = {
  env: {
    browser: true,
    es2021: true,
    node: true,
    jest: true,
  },
  extends: ['plugin:react/recommended', 'airbnb', 'prettier'],
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaFeatures: {
      jsx: true,
    },
    ecmaVersion: 12,
    sourceType: 'module',
  },
  plugins: ['react', '@typescript-eslint', 'jest'],
  rules: {
    quotes: [2, 'single', { avoidEscape: true }],
    'react/jsx-filename-extension': [2, { extensions: ['.jsx', '.tsx'] }],
    'react/jsx-one-expression-per-line': 0,
    'react/react-in-jsx-scope': 0,
    'jsx-a11y/anchor-is-valid': 0,
    'import/extensions': [
      'error',
      'ignorePackages',
      {
        js: 'never',
        mjs: 'never',
        jsx: 'never',
        ts: 'never',
        tsx: 'never',
      },
    ],
  },
  settings: {
    'import/resolver': {
      node: {
        extensions: ['.js', '.jsx', '.ts', '.tsx', '.json'],
      },
    },
  },
};