.eslintrc.json

{
    "parser": "@typescript-eslint/parser",
    "parserOptions": {
        "tsconfigRootDir": "./",
        "project": "./tsconfig.json",
        "ecmaVersion": 2020,
        "sourceType": "module"
    },
    "extends": [
        "eslint:recommended",
        "plugin:@typescript-eslint/eslint-recommended",
        "plugin:@typescript-eslint/recommended"
    ],
    "settings": {
        "import/resolver": {
            "typescript": {}
        }
    },
    "plugins": [
        "@typescript-eslint/eslint-plugin"
    ],
    "env": {
        "node": true,
        "es6": true
    },
    "rules": {
        // specific options
        "semi": [
            "error", "never"
        ],
        "max-len": [
            "warn", {
            "code": 140
        }],
        "indent": [
            "error", 4],
        "quotes": [
            "error", "single", {
            "allowTemplateLiterals": true
        }],

        "no-console": "warn",
        "no-alert": "error",
        "no-extra-boolean-cast": "off",
        "array-callback-return": "error",
        "no-multi-spaces": "error",
        "no-return-await": "error",
        "no-self-compare": "error",
        "no-unused-expressions": "error",
        "no-unused-vars": "off",
        "no-useless-return": "error",
        "radix": "error",
        "no-shadow": "off",
        "no-use-before-define": [
            "error", {
            "functions": false,
            "classes": false
        }],
        "no-undef-init": "error",
        "array-bracket-newline": [
            "warn", "consistent"
        ],
        "brace-style": [
            "error", "allman"
        ],
        "comma-dangle": [
            "error", "always-multiline"
        ],
        "comma-spacing": "error",
        "comma-style": "error",
        "func-call-spacing": "error",
        "function-call-argument-newline": [
            "warn", "consistent"
        ],
        "implicit-arrow-linebreak": "error",
        "key-spacing": "error",
        "keyword-spacing": "error",
        "newline-per-chained-call": [
            "error", {
            "ignoreChainWithDepth": 3
        }],
        "no-trailing-spaces": "error",
        "no-unneeded-ternary": "warn",
        "no-whitespace-before-property": "error",
        "object-curly-spacing": [
            "error", "always"
        ],
        "operator-assignment": "error",
        "operator-linebreak": [
            "error", "before"
        ],
        "prefer-object-spread": "error",
        "wrap-regex": "error",
        "arrow-body-style": "warn",
        "arrow-spacing": [
            "error", {
            "before": true,
            "after": true
        }],
        "no-duplicate-imports": "error",
        "no-useless-rename": "error",
        "no-useless-constructor": "error",
        "no-var": "error",
        "object-shorthand": "error",
        "prefer-arrow-callback": [
            "error", {
            "allowNamedFunctions": true
        }],
        "prefer-const": "error",
        "prefer-rest-params": "error",
        "prefer-spread": "error",

        // JSX and react
        "jsx-quotes": "error",

        // node.js and commonJS
        "global-require": "error",
        "handle-callback-err": "warn",
        "no-mixed-requires": "error",
        "no-new-require": "error",

        // Typescript
        "@typescript-eslint/no-var-requires": "off",
        "@typescript-eslint/camelcase": "off",
        "@typescript-eslint/explicit-module-boundary-types": "off",
        "@typescript-eslint/no-explicit-any": "off",
        "@typescript-eslint/no-unused-vars": ["error"],
        "@typescript-eslint/array-type":  [
            2,
            {
                "default": "generic",
                "readonly": "generic"
            }],
        "@typescript-eslint/member-delimiter-style": [
            2,
            {
            "multiline": {
                "delimiter": "semi",
                "requireLast": true
            },
            "singleline": {
                "delimiter": "semi",
                "requireLast": true
            }
        }]
    }
}