.eslintrc.json

{
    "parser": "babel-eslint",
    "env": {
        "browser": true,
        "commonjs": true,
        "es6": true,
        "node": true
    },
    "globals": {
      "__DEV__": true
    },
    "extends": "eslint:recommended",
    "installedESLint": true,
    "parserOptions": {
        "ecmaFeatures": {
            "experimentalObjectRestSpread": true,
            "jsx": true
        },
        "sourceType": "module"
    },
    "plugins": [
        "react"
    ],
    "rules": {
        "indent": [
            "error",
            2
        ],
        "linebreak-style": [
            "error",
            "unix"
        ],
        "quotes": [
            "error",
            "double"
        ],
        "semi": [
            "error",
            "always"
        ],
        "no-console": [
            "error",
            { "allow": ["warn", "error" ] }
        ],
        "comma-dangle": 0,
        "react/jsx-uses-react": "error",
        "react/jsx-uses-vars": "error"
    }
}