.eslintrc.json

{
  "env": {
    "browser": true,
    "node": true,
    "es6": true,
    "jest": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended"
  ],
  "parser": "babel-eslint",
  "parserOptions": {
    "ecmaVersion": 2020,
    "ecmaFeatures": {
      "experimentalObjectRestSpread": true,
      "jsx": true
    },
    "sourceType": "module"
  },
  "plugins": [
    "react",
    "jest",
    "babel"
  ],
  "rules": {
    "react/react-in-jsx-scope": "off",
    "react/jsx-handler-names": 2,
    "react/require-render-return": 2,
    "react/no-unused-state": 2,
    "react/prefer-stateless-function": 2,
    "react/no-direct-mutation-state": 2,
    "react/jsx-key": 2,
    "react/jsx-uses-vars": 2,
    "react/jsx-uses-react": 2,
    "react/jsx-no-duplicate-props": 2,
    "react/jsx-no-undef": 2,
    "react/no-multi-comp": 2,
    "no-unused-expressions": 0,
    "babel/no-unused-expressions": 1,
    "react/jsx-no-bind": [
      2,
      {
        "ignoreRefs": false,
        "allowArrowFunctions": true,
        "allowBind": false
      }
    ],
    "react/jsx-indent-props": [
      "error",
      2
    ],
    "ignoredNodes": 0,
    "react/jsx-pascal-case": 2,
    "react/prop-types": 2,
    "react/jsx-indent": [
      "error",
      2
    ],
    "indent": [
      "error",
      2
    ],
    "no-undef": [
      1
    ],
    "linebreak-style": [
      "error",
      "unix"
    ],
    "quotes": [
      "error",
      "single"
    ],
    "semi": [
      "error",
      "always"
    ]
  },
  "globals": {
    "React": "writable"
  },
  "overrides": [
    {
      "files": [
        "test/*.spec.js"
      ],
      // Or *.test.js
      "rules": {
        "require-jsdoc": "off"
      }
    }
  ],
  "settings": {
    "react": {
      "createClass": "createReactClass",
      "pragma": "React",
      "version": "detect"
    }
  }
}