. eslintrc.json

{
    "parser": "@typescript-eslint/parser",
    "extends": [
        "eslint:recommended",
        "plugin:@typescript-eslint/recommended",
        "prettier/@typescript-eslint",
        "plugin:prettier/recommended"
    ],
    "parserOptions": {
        "ecmaVersion": 2020,
        "sourceType": "module"
    },
    "rules": {
        "no-var": "error",
        "indent": ["error", 2],
        "no-multi-spaces": "error",
        "space-in-parens": ["error", "never"],
        "no-multiple-empty-lines": "error",
        "prefer-const": "error",
        "no-use-before-define": "error",
        "no-console": "error",
        "quotes": [1, "single", { "avoidEscape": true }]
    }
}