.eslintrc.json

{
  "env": {
    "browser": true,
    "es6": true,
    "jest": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended",
    "prettier",
    "prettier/react"
  ],
  "parser": "babel-eslint",
  "plugins": ["react", "prettier"],
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true,
      "experimentalObjectRestSpread": true
    },
    "ecmaVersion": 2017,
    "sourceType": "module"
  },
  "globals": {
    "localStorage": true,
    "ga": true,
    "fetch": true,
    "window": true,
    "document": true,
    "Raven": true,
    "ENV": true
  },
  "rules": {
    "indent": ["error", 2],
    "linebreak-style": ["error", "unix"],
    "quotes": ["error", "double"],
    "semi": ["error", "always"],
    "react/jsx-uses-react": "error",
    "react/jsx-uses-vars": "error"
  },
  "overrides": [
    {
      "files": ["src/*.js", "src/*.jsx"],
      "excludedFiles": "**/*.spec.js"
    }
  ],
  "settings": {
    "react": {
      "pragma": "React",
      "version": "latest"
    }
  }
}