.eslintrc.json

{
    "root": true,
    "env": {
        "es2021": true,
        "node": true
    },
    "extends": [
        "eslint:recommended",
        "plugin:@typescript-eslint/recommended"
    ],
    "parser": "@typescript-eslint/parser",
    "parserOptions": {
        "ecmaVersion": 12,
        "sourceType": "module"
    },
    "plugins": [
        "@typescript-eslint",
        "import-quotes"
    ],
    "rules": {
        "indent": [
            "error",
            4,
            {
                "SwitchCase": 1,
                "ignoredNodes": [
                    "FunctionExpression > .params[decorators.length > 0]",
                    "FunctionExpression > .params > :matches(Decorator, :not(:first-child))",
                    "ClassBody.body > PropertyDefinition[decorators.length > 0] > .key"
                ]
            }
        ],
        "@typescript-eslint/no-unused-vars": [
            "error",
            {
                "varsIgnorePattern": "^_",      // ignore unused variables starting with _
                "argsIgnorePattern": "(^_|ctx)" // ignore unused variables starting with _, or the request context.
            }
        ],
        "linebreak-style": [
            "error",
            "unix"
        ],
        "brace-style": [
            "error",
            "1tbs",
            {
                "allowSingleLine": true
            }
        ],
        "lines-around-comment": [
            "error",
            {
                "beforeBlockComment": true
            }
        ],
        "quotes": [
            "error",
            "single",
            {
                "avoidEscape": true,
                "allowTemplateLiterals": true
            }
        ],
        "import-quotes/import-quotes": [
            "error",
            "single"
        ],
        "semi": [
            "error",
            "always"
        ],
        "spaced-comment": [
            "error",
            "always"
        ],
        "no-multi-spaces": [
            "error"
        ],
        "prefer-const": "off",
        "no-inner-declarations": "off",
        "object-curly-spacing": ["error", "always"],
        "@typescript-eslint/no-explicit-any": "off",
        "@typescript-eslint/no-non-null-assertion": "off"
    }
}