.eslintrc.json

{
    "plugins": [
        "jest",
        "@typescript-eslint"
    ],
    "env": {
        "es2021": true,
        "node": true,
        "jest/globals": true
    },
    "extends": [
        "eslint:recommended",
        "plugin:@typescript-eslint/recommended"
    ],
    "parser": "@typescript-eslint/parser",
    "parserOptions": {
        "ecmaVersion": "latest",
        "sourceType": "module"
    },
    "rules": {
        "no-prototype-builtins": "off",
        "@typescript-eslint/object-curly-spacing": [
            "error",
            "always"
        ],
        "indent": [
            "error",
            4
        ],
        "linebreak-style": [
            "error",
            "unix"
        ],
        "quotes": [
            "error",
            "double"
        ],
        "semi": [
            "error",
            "always"
        ]
    }
}