.eslintrc.js

module.exports = {
  parser: '@typescript-eslint/parser',
  parserOptions: {
    project: ['./tsconfig.test.json', './cypress/tsconfig.json'],
    tsconfigRootDir: __dirname,
    ecmaFeatures: {
      jsx: true,
    },
  },
  plugins: ['@typescript-eslint', 'react', 'jest'],
  env: {
    browser: true,
    es6: true,
    jest: true,
  },
  extends: [
    'eslint:recommended',
    'plugin:@typescript-eslint/eslint-recommended',
    'plugin:@typescript-eslint/recommended',
    'plugin:@typescript-eslint/recommended-requiring-type-checking',
    'plugin:react-hooks/recommended',
    'plugin:react/recommended',
    'prettier',
  ],
  settings: {
    react: {
      version: 'detect',
    },
  },
  overrides: [
    {
      files: [
        'src/**/*.test.ts',
        'src/**/*.test.tsx',
        'cypress/**/*.test.ts',
        'cypress/e2e/util/*.ts',
      ],
      plugins: ['jest'],
      rules: {
        '@typescript-eslint/unbound-method': 'off',
        'jest/unbound-method': 'error',
      },
    },
  ],
  rules: {
    '@typescript-eslint/array-type': 'off',
    '@typescript-eslint/await-thenable': 'off',
    '@typescript-eslint/ban-types': 'off',
    '@typescript-eslint/camelcase': 'off',
    '@typescript-eslint/explicit-function-return-type': 'off',
    '@typescript-eslint/explicit-member-accessibility': 'off',
    '@typescript-eslint/member-delimiter-style': 'off',
    '@typescript-eslint/no-empty-function': 'off',
    '@typescript-eslint/no-empty-interface': 'off',
    '@typescript-eslint/no-explicit-any': 'off',
    '@typescript-eslint/no-floating-promises': 'off',
    '@typescript-eslint/no-inferrable-types': 'off',
    '@typescript-eslint/no-misused-promises': 'off',
    '@typescript-eslint/no-namespace': 'off',
    '@typescript-eslint/no-object-literal-type-assertion': 'off',
    '@typescript-eslint/no-unsafe-argument': 'off',
    '@typescript-eslint/no-unsafe-assignment': 'off',
    '@typescript-eslint/no-unsafe-call': 'off',
    '@typescript-eslint/no-unsafe-member-access': 'off',
    '@typescript-eslint/no-unsafe-return': 'off',
    '@typescript-eslint/no-unused-vars': [
      'error',
      {varsIgnorePattern: '^_', argsIgnorePattern: '^_'},
    ],
    '@typescript-eslint/no-use-before-define': 'off',
    '@typescript-eslint/no-var-requires': 'off',
    '@typescript-eslint/prefer-as-const': 'off',
    '@typescript-eslint/prefer-interface': 'off',
    '@typescript-eslint/prefer-regexp-exec': 'off',
    '@typescript-eslint/prefer-string-starts-ends-with': 'off',
    '@typescript-eslint/restrict-plus-operands': 'off',
    '@typescript-eslint/restrict-template-expressions': 'off',
    curly: ['error', 'all'],
    'getter-return': 'off',
    'jest/no-focused-tests': ['error'],
    'jest/no-large-snapshots': ['error', {maxSize: 0}], // no shapshots please
    'no-case-declarations': 'off',
    'no-console': ['error', {allow: ['warn', 'error']}],
    'no-empty': 'off',
    'no-extra-boolean-cast': 'off',
    'no-fallthrough': 'off',
    'no-nested-ternary': 'error',
    'no-prototype-builtins': 'off',
    'no-undef': 'off',
    'no-useless-escape': 'off',
    'react/display-name': 'off',
    'react/jsx-curly-brace-presence': [
      'error',
      {props: 'never', children: 'never'},
    ],
    'react/jsx-no-target-blank': 'off',
    'react/no-find-dom-node': 'off',
    'react/no-unescaped-entities': 'off',
    'react/prop-types': 'off',
    'require-atomic-updates': 'off',
    'spaced-comment': ['error', 'always', {markers: ['/']}],
  },
}