.eslintrc.json

{
  "root": true,
  "parser": "babel-eslint",
  "parserOptions": {
    "ecmaVersion": 6,
    "sourceType": "module",
    "ecmaFeatures": {
      "jsx": true,
      "experimentalObjectRestSpread": true
    }
  },
  "env": {
    "commonjs": true,
    "browser": true,
    "jest": true,
    "es6": true
  },
  "globals": {
    "__DEV__": true
  },
  "plugins": ["react"],
  "extends": ["eslint:recommended", "plugin:react/recommended"],
  "rules": {
    "no-console": [
      "warn",
      {
        "allow": ["warn", "error"]
      }
    ],
    "semi": ["warn", "never"],
    "no-unused-vars": [
      "warn",
      {
        "args": "none"
      }
    ],
    "react/prop-types": [
      "warn",
      {
        "skipUndeclared": true
      }
    ],
    "react/display-name": "off",
    "react/sort-comp": ["warn"],
    "react/no-will-update-set-state": ["warn"],
    "react/no-redundant-should-component-update": ["warn"],
    "react/no-unescaped-entities": [0]
  }
}