.eslintrc.js

module.exports = {
  "settings": {
    "import/resolver": {
      "webpack": {
        "config": "webpack.config.js"
      }
    }
  },
  extends: [
    'react-app', 'plugin:jsx-a11y/recommended', 'prettier', 'prettier/react'
  ],
  parser: 'babel-eslint',
  parserOptions: {
    ecmaVersion: 8,
    ecmaFeatures: {
      experimentalObjectRestSpread: true,
      impliedStrict: true,
      classes: true,
      jsx: true
    }
  },
  env: {
    browser: true,
    node: true
  },
  rules: {
    'no-unused-vars': [
      1, {
        argsIgnorePattern: 'res|next|^err'
      }
    ],
    'arrow-body-style': [
      2, 'as-needed'
    ],
    'no-param-reassign': [
      2, {
        props: false
      }
    ],
    'no-console': 0,
    import: 0,
    'func-names': 0,
    'space-before-function-paren': 0,
    'comma-dangle': 0,
    'max-len': 0,
    'import/extensions': 0,
    'no-underscore-dangle': 0,
    'consistent-return': 0,
    'react/display-name': 1,
    'react/react-in-jsx-scope': 0,
    'react/forbid-prop-types': 0,
    'react/no-unescaped-entities': 0,
    'react/jsx-filename-extension': [
      1, {
        extensions: ['.js', '.jsx']
      }
    ],
    radix: 0,
    'no-shadow': [
      2, {
        hoist: 'all',
        allow: [
          'resolve',
          'reject',
          'done',
          'next',
          'err',
          'error'
        ]
      }
    ],
    quotes: [
      2,
      'single', {
        avoidEscape: true,
        allowTemplateLiterals: true
      }
    ],
    'prettier/prettier': [
      'error', {
        trailingComma: 'es5',
        singleQuote: true,
        printWidth: 120,
        tabWidth: 2,
        useTabs: false
      }
    ],
    "jsx-a11y/label-has-for": [
      2, {
        "components": ["Label"],
        "required": {
          "some": ["nesting", "id"]
        },
        "allowChildren": false
      }
    ],
    'jsx-a11y/href-no-hash': 'off',
    'jsx-a11y/anchor-is-valid': [
      'warn', {
        aspects: ['invalidHref']
      }
    ]
  },
  plugins: ['prettier']
};