.eslintrc.json

{
    "env": {
        "browser": true,
        "node": true,
        "es6": true,
        "jest": true,
        "serviceworker": true
    },
    "extends": "airbnb",
    "plugins": ["compat"],
    "rules": {
        "func-style": ["error", "declaration", {
            "allowArrowFunctions": true
        }],
        "arrow-parens": ["error", "as-needed"],
        "comma-dangle": ["error", "never"],
        "function-paren-newline": 0,
        "no-param-reassign": 1,
        "no-use-before-define": ["error", { "functions": false, "classes": false }],
        "no-plusplus": ["error", { "allowForLoopAfterthoughts": true }],
        "no-restricted-syntax": 0,
        "no-else-return": 0,
        "max-len": 1,

        "react/jsx-filename-extension": 0,
        "react/self-closing-comp": 0,
        "react/prop-types": 0,
        "react/no-multi-comp": 0,
        "react/no-unescaped-entities": 1,

        "jsx-a11y/anchor-is-valid": ["error", {
            "components": ["Link"],
            "specialLink": ["to"]
        }],
        "jsx-a11y/no-autofocus": 0,
        "jsx-a11y/label-has-for": 0,

        "compat/compat": 2
    }
}