.eslintrc.json

{
  "parser": "babel-eslint",
  "parserOptions": {
    "ecmaVersion": 2017
  },
  "plugins": ["prettier"],
  "extends": ["airbnb", "plugin:prettier/recommended", "prettier"],
  "env": {
    "browser": true,
    "commonjs": true,
    "es6": true,
    "jest": true,
    "node": true
  },
  "rules": {
    "react/prop-types": [0],
    "no-param-reassign": [
      "error",
      { "props": true, "ignorePropertyModificationsFor": ["state"] }
    ],
    "no-console": "off",
    "react/react-in-jsx-scope": [0],
    "react/jsx-curly-newline:": [0],
    "react/jsx-one-expression-per-line": [0],
    "spaced-comment": [0],
    "import/no-extraneous-dependencies": [0],
    "arrow-parens": [0],
    "react/jsx-props-no-spreading": ["off"],
    "import/prefer-default-export": [0],
    "space-before-function-paren": [0],
    "jsx-a11y/href-no-hash": ["off"],
    "no-use-before-define": ["off"],
    "react/prefer-stateless-function": [0],
    "react/require-default-props": [0],
    "global-require": "off",
    "react/forbid-prop-types": [0],
    "react/jsx-filename-extension": ["warn", { "extensions": [".js", ".jsx"] }],
    "max-len": [
      "warn",
      {
        "code": 80,
        "tabWidth": 2,
        "comments": 80,
        "ignoreComments": false,
        "ignoreTrailingComments": true,
        "ignoreUrls": true,
        "ignoreStrings": true,
        "ignoreTemplateLiterals": true,
        "ignoreRegExpLiterals": true
      }
    ]
  }
}