.eslintrc.json

{
    "env": {
        "browser": true,
        "es6": true
    },
    "extends": [
        "airbnb"
    ],
    "parser": "babel-eslint",
    "parserOptions": {
        "ecmaFeatures": {
            "experimentalObjectRestSpread": true,
            "jsx": true
        },
        "sourceType": "module"
    },
    "plugins": [
        "react"
    ],
    "rules": {
        "indent": [
            "error",
            4,
            {
                "SwitchCase": 1
            }
        ],
        "react/jsx-filename-extension": [
            "error",
            {
                "extensions": [
                    "js",
                    ".jsx"
                ]
            }
        ],
        "react/jsx-indent": [
            "error",
            4
        ],
        "react/prop-types": [
            "error",
            {
                "ignore": [
                    "children",
                    "className"
                ],
                "customValidators": [],
                "skipUndeclared": false
            }
        ],
        "linebreak-style": [
            "error",
            "unix"
        ],
        "quotes": [
            "error",
            "single"
        ]
    }
}