.eslintrc.json

{
    "env": {
        "browser": true,
        "commonjs": true,
        "es6": true,
        "jest": true,
        "node": true
    },
    "extends": [
        "plugin:react/recommended",
        "airbnb"
    ],
    "overrides": [],
    "parserOptions": {
        "ecmaVersion": "latest",
        "sourceType": "module"
    },
    "plugins": [
        "react"
    ],
    "rules": {
        "jsx-a11y/href-no-hash": [
            "off"
        ],
        "react/jsx-one-expression-per-line": [
            true,
            {
                "allow": "single-child"
            }
        ],
        "react/jsx-filename-extension": [
            "warn",
            {
                "extensions": [
                    ".js",
                    ".jsx"
                ]
            }
        ],
        "max-len": [
            "warn",
            {
                "code": 140,
                "tabWidth": 2,
                "comments": 140,
                "ignoreComments": false,
                "ignoreTrailingComments": true,
                "ignoreUrls": true,
                "ignoreStrings": true,
                "ignoreTemplateLiterals": true,
                "ignoreRegExpLiterals": true
            }
        ]
    }
}