.eslintrc

{
  "plugins": [
    "react"
  ],
  "parserOptions": {
    "ecmaVersion": 6,
    "sourceType": "module",
    "ecmaFeatures": {
      "jsx": true
    }
  },
  "env": {
    "es6": true,
    "browser": true,
    "node": true,
    "mocha": true,
    "jest": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended"
  ],
  "rules": {
    "react/jsx-uses-react": "error",
    "react/jsx-uses-vars": "error",
    "react/jsx-max-props-per-line": "error",
    "space-before-function-paren": [
      "error",
      "never"
    ],
    "indent": [
      "error",
      2
    ],
    "linebreak-style": "error",
    "quotes": [
      "error",
      "single"
    ],
    "semi": "error",
    "prefer-template": "error",
    "jsx-quotes": "error",
    "no-var": "error",
    "eol-last": "error"
  }
}