.eslintrc.json

{
    "extends": ["eslint:recommended", "plugin:node/recommended", "prettier"],
    "plugins": ["node", "prettier"],
    "rules": {
        "prettier/prettier": "error",
        "block-scoped-var": "error",
        "eqeqeq": "error",
        "no-var": "error",
        "prefer-const": "error",
        "eol-last": "error",
        "prefer-arrow-callback": "error",
        "no-trailing-spaces": "error",
        "quotes": ["warn", "single", { "avoidEscape": true }],
        "no-restricted-properties": [
            "error",
            {
                "object": "describe",
                "property": "only"
            },
            {
                "object": "it",
                "property": "only"
            }
        ]
    },
    "overrides": [
        {
            "files": ["**/*.ts", "**/*.tsx"],
            "parser": "@typescript-eslint/parser",
            "extends": ["plugin:@typescript-eslint/recommended"],
            "rules": {
                "node/no-extraneous-import": "off",
                "node/no-missing-import": "off",
                "node/no-unsupported-features/es-syntax": "off",
                "@typescript-eslint/no-explicit-any": "warn"
            },
            "parserOptions": {
                "ecmaVersion": 2018,
                "sourceType": "module"
            }
        }
    ]
}