.eslintrc.json

{
    "parser": "babel-eslint",
    "env": {
        "browser": true,
        "node": true
    },
    "extends": ["airbnb"],
    "globals": {
        "expect": true,
        "test": true
    },
    "overrides": [
        {
            "files": ["*.js"],
            "rules": {
                "react/jsx-one-expression-per-line": "off",
                "react/jsx-filename-extension": [1, { "extensions": [".js"] }],
                "react/react-in-jsx-scope": "off",
                "implicit-arrow-linebreak": "off",
                "operator-linebreak": "off",
                "indent": ["error", 4, { "SwitchCase": 1 }],
                "react/jsx-indent": ["error", 4],
                "react/jsx-indent-props": ["error", 4],
                "semi": [2, "never"],
                "comma-dangle": "off",
                "object-curly-newline": "off",
                "space-before-function-paren": "off",
                "arrow-parens": ["error", "as-needed"],
                "function-paren-newline": "off"
            }
        }
    ]
}