.eslintrc.json

{
    "env": {
        "node": true,
        "es6": true,
        "jest": true,
        "browser": true
    },
    "extends": "airbnb-base",
    "globals": {
        "Atomics": "readonly",
        "SharedArrayBuffer": "readonly",
        "document": "readonly",
        "describe": "readonly",
        "test": "readonly",
        "expect": "readonly",
        "history": true,
        "GOVUK": "readonly",
        "dataLayer": "readonly",
        "L": "readonly"
    },
    "parserOptions": {
        "ecmaVersion": 2022,
        "sourceType": "module"
    },
    "rules": {
        "semi": ["error", "always"],
        "no-use-before-define": 0,
        "max-len": ["error", { "code": 200 }],
        "quotes": ["error", "single"],
        "eol-last": 1,
        "no-multiple-empty-lines": ["error", { "max": 1, "maxEOF": 1 }],
        "import/prefer-default-export": 0,
        "import/no-named-as-default-member": 0,
        "no-unused-expressions": ["error", { "allowTernary": true }],
        "no-param-reassign": [2, { "props": false }]
    },
    "root": true
}