.eslintrc.js

module.exports = {
  env: {
    browser: true,
    es6: true,
    node: true,
  },
  extends: [
    // "eslint:recommended",
    // "plugin:import/recommended",
    // "plugin:react/recommended",
    'prettier',
    'prettier/react',
    'plugin:compat/recommended',
    'plugin:flowtype/recommended',
  ],
  parserOptions: {
    ecmaFeatures: {
      jsx: true,
    },
    sourceType: 'module',
  },
  settings: {
    react: {
      version: 'detect',
    },
  },
  plugins: ['react', 'prettier', 'jsdoc', 'flowtype', 'flowtype-errors'],
  rules: {
    'arrow-parens': ['off', 'as-needed'],
    'default-case': 'error',
    'dot-notation': 'error',
    'eol-last': 'off',
    eqeqeq: ['error', 'smart'],
    'guard-for-in': 'error',
    'linebreak-style': 'off',
    'new-parens': 'off',
    'newline-per-chained-call': 'off',
    'no-caller': 'error',
    'no-duplicate-imports': 'error',
    'no-debugger': 'error',
    'no-empty': 'error',
    'no-empty-function': 'error',
    'no-eval': 'error',
    'no-extra-semi': 'off',
    'no-fallthrough': 'error',
    'no-irregular-whitespace': 'off',
    'no-multiple-empty-lines': 'off',
    'no-new-wrappers': 'error',
    'no-param-reassign': 'error',
    'no-redeclare': 'error',
    'no-undef-init': 'error',
    'no-unused-expressions': 'off',
    'no-unused-labels': 'error',
    'no-use-before-define': 'off',
    'no-var': 'error',
    'prefer-const': 'error',
    'space-before-function-paren': 'off',
    curly: 'error',
    radix: 'error',
  },
}