index.js

module.exports = {
  parser: '@typescript-eslint/parser',

  extends: ['plugin:react/recommended', 'plugin:prettier/recommended'],

  plugins: ['simple-import-sort', 'jest', '@typescript-eslint', 'react-hooks', 'react', 'prettier', 'import'],

  ignorePatterns: ['coverage', '**/dist', '.cache-loader', 'node_modules', '.yalc'],

  parserOptions: {
    ecmaVersion: 2018,
    sourceType: 'module',
    ecmaFeatures: {
      jsx: true,
    },
  },

  settings: {
    react: {
      version: 'detect',
    },
  },

  env: {
    es6: true,
  },

  rules: {
    'prettier/prettier': 'error',

    // Base

    'no-unused-expressions': 'off',
    'no-console': 'error',
    'no-confusing-arrow': 'off',
    'no-else-return': 'off',
    'no-return-assign': ['error', 'except-parens'],
    'no-underscore-dangle': 'off',
    camelcase: 'off',
    'prefer-arrow-callback': ['error', { allowNamedFunctions: true }],
    'class-methods-use-this': 'off',
    'no-restricted-syntax': 'off',
    'no-param-reassign': ['error', { props: false }],
    'arrow-body-style': 'off',
    'arrow-parens': 'off',

    // Imports

    'simple-import-sort/imports': 'error',
    'simple-import-sort/exports': 'warn',
    'sort-imports': 'off',
    'import/order': 'off',
    'import/no-extraneous-dependencies': 'off',
    'import/first': 'error',
    'import/newline-after-import': 'error',
    'import/no-duplicates': 'error',

    // Typescript

    '@typescript-eslint/no-unused-vars': [
      'error',
      {
        argsIgnorePattern: '^_',
        varsIgnorePattern: '^_',
        args: 'after-used',
        ignoreRestSiblings: true,
      },
    ],
    '@typescript-eslint/no-unused-expressions': ['error', { allowShortCircuit: true, allowTernary: true }],

    // React

    'react-hooks/rules-of-hooks': 'error',
    'react-hooks/exhaustive-deps': 'error',
    'react/prop-types': 'off',
    'react/no-multi-comp': 'off',
    'react/jsx-filename-extension': 'off',
    'react/no-unescaped-entities': 'off',
    'react/destructuring-assignment': 'off',
    'react/display-name': 'off',

    // Jest

    'jest/no-focused-tests': 'error',
    'jest/no-identical-title': 'error',
    'jest/consistent-test-it': 'error',
  },
};