.eslintrc.json

{
    "env": {
        "es2020": true,
        "node": true,
        "jest": true
    },
    "extends": [
        "eslint:recommended",
        "plugin:@typescript-eslint/eslint-recommended",
        "plugin:@typescript-eslint/recommended"
    ],
    "parser": "@typescript-eslint/parser",
    "parserOptions": {
        "ecmaVersion": 11,
        "sourceType": "module"
    },
    "plugins": [
        "@typescript-eslint"
    ],
    "rules": {
        "@typescript-eslint/ban-types": "off",
        "@typescript-eslint/explicit-module-boundary-types": "off",
        "@typescript-eslint/no-explicit-any": "off",
        "@typescript-eslint/no-inferrable-types": "off",
        "@typescript-eslint/no-unused-vars": [
            "error",
            {
                "argsIgnorePattern": "^_"
            }
        ],
        "@typescript-eslint/semi": [
            "error",
            "always"
        ],
        "@typescript-eslint/type-annotation-spacing": "error",
        "arrow-spacing": "error",
        "brace-style": [
            "error",
            "1tbs",
            {
                "allowSingleLine": true
            }
        ],
        "comma-spacing": [
            "error",
            {
                "before": false,
                "after": true
            }
        ],
        "curly": "error",
        "eqeqeq": "error",
        "eol-last": [
            "warn",
            "always"
        ],
        "indent": [
            "error",
            4,
            {
                "FunctionExpression": {
                    "parameters": "first"
                },
                "CallExpression": {
                    "arguments": "first"
                },
                "outerIIFEBody": 2,
                "SwitchCase": 2
            }
        ],
        "key-spacing": [
            "error",
            {
                "afterColon": true
            }
        ],
        "keyword-spacing": [
            "error",
            {
                "before": true,
                "after": true
            }
        ],
        "no-irregular-whitespace": "error",
        "no-trailing-spaces": "error",
        "no-underscore-dangle": [
            "error",
            {
                "allowFunctionParams": true
            }
        ],
        "no-unused-vars": "off",
        "no-whitespace-before-property": "error",
        "object-curly-spacing": [
            "error",
            "always"
        ],
        "require-await": "error",
        "space-infix-ops": "error",
        "spaced-comment": [
            "error",
            "always",
            {
                "markers": [
                    "/",
                    "*"
                ]
            }
        ]
    }
}