.eslintrc.json

{
  "env": {
        "es2021": true,
        "node": true
    },
    "extends": [
        "prettier",
        "eslint:recommended",
        "plugin:@typescript-eslint/recommended"
    ],
    "overrides": [],
    "parser": "@typescript-eslint/parser",
    "parserOptions": {
        "ecmaVersion": "latest",
        "sourceType": "module"
    },
    "plugins": [
        "prettier",
        "@typescript-eslint",
        "simple-import-sort",
        "import"
    ],
    "rules": {
        "prettier/prettier": "error",
        "simple-import-sort/imports": "error",
        "simple-import-sort/exports": "error",
        "import/first": "error",
        "import/newline-after-import": "error",
        "import/no-duplicates": "error",
        "no-multi-spaces": ["error"],
        "no-multiple-empty-lines": ["error"],
        "space-in-parens": ["error"],
        "no-trailing-spaces": "error",
        "object-curly-spacing": [ "error", "always" ],

        // forbid usage of unused variables (marked with an _)
        "@typescript-eslint/no-unused-vars": [
            "warn",
            {
              "argsIgnorePattern": "^_",
              "varsIgnorePattern": "^_",
              "caughtErrorsIgnorePattern": "^_"
            }
        ],
        "@typescript-eslint/naming-convention": [
            "error",
            {
              "selector": ["parameter", "variable"],
              "leadingUnderscore": "forbid",
              "filter": {
                // keep this one open for destructuring
                "regex": "_*",
                "match": false
              },
              "format": null
            },
            {
              "selector": "parameter",
              "leadingUnderscore": "require",
              "format": null,
              "modifiers": ["unused"]
            }
        ]
    }
}