.eslintrc.json

{
  "parser": "babel-eslint",
  "env": {
    "browser": true,
    "amd": true,
    "es6": true,
    "node": true
  },
  "extends": ["eslint:recommended", "plugin:react/recommended", "plugin:jest/recommended"],
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true
    },
    "ecmaVersion": 2018,
    "sourceType": "module"
  },
  "plugins": ["react", "import", "jest"],
  "rules": {
    "import/no-unresolved": 0,
    "react/jsx-no-undef": 2,
    "react/no-deprecated": 2,
    "comma-dangle": [2, "always-multiline"],
    "quotes": [
      1,
      "single",
      {
        "avoidEscape": true
      }
    ],
    "no-undef": 2,
    "global-strict": 0,
    "no-extra-semi": 2,
    "semi": ["error", "never"],
    "no-underscore-dangle": 0,
    "no-console": 1,
    "no-unused-vars": 2,
    "no-shadow": 0,
    "no-unused-expressions": 0,
    "consistent-return": 0,
    "prefer-destructuring": 0,
    "no-useless-constructor": 0,
    "max-len": 0,
    "prefer-const": 0,
    "no-trailing-spaces": [
      1,
      {
        "skipBlankLines": true
      }
    ],
    "no-unreachable": 1,
    "no-alert": 1,
    "react/jsx-uses-react": 1,
    "react/jsx-uses-vars": 1,
    "react/prop-types": 2
  },
  "settings": {
    "react": {
      "version": "16.5.2"
    }
  }
}