.eslintrc.json

{
    // Настройки проекта
    "env": {
        // Проект для браузера
        "browser": true,
        // Включаем возможности ES6
        "es6": true,
        // Добавляем возможности ES2017
        "es2017": true
    },
    // Наборы правил
    "extends": [
        // Базовый набор правил eslint
        "eslint:recommended",
        // Отключаем правила из базового набора
        "plugin:@typescript-eslint/eslint-recommended",
        // Базовые правила для TypeScript
        "plugin:@typescript-eslint/recommended",
        // Правила TS, требующие инфо о типах
        "plugin:@typescript-eslint/recommended-requiring-type-checking"
    ],
    // Движок парсинга
    "parser": "@typescript-eslint/parser",
    "parserOptions": {
        // Движку нужен проект TS для правил с типами
        "project": "tsconfig.json",
        "tsconfigRootDir": "."
    },
    // Плагин с наборами правил для TypeScript
    "plugins": ["@typescript-eslint"],
    "rules": {
        "no-duplicate-imports": ["error", { "includeExports": true }], // disallow duplicate module imports
        "no-template-curly-in-string": "error", // disallow template literalplaceholder syntax in regular strings
        "block-scoped-var": "error", // enforce the use of variables within the scopethey are defined
        "curly": ["error", "all"], // enforce consistent brace style for all controlstatements
        "eqeqeq": "error", // equire the use of === and !==
        "no-alert": "warn", // disallow the use of alert, confirm, and prompt
        "no-console": "warn", // disallow the use of console
        "no-else-return": ["error", { "allowElseIf": false }],
        "no-implicit-coercion": "error", // disallow shorthand type conversions
        "no-labels": "error", // disallow labeled statements
        "no-lone-blocks": "error", // disallow unnecessary nested blocks
        "no-multi-spaces": "error", // disallow multiple spaces
        "no-new": "error", // disallow new operators outside of assignments orcomparisons
        "no-new-func": "error", // disallow new operators with the Function object
        "no-new-wrappers": "error", // disallow new operators with the String, Number,and Boolean objects
        "no-return-await": "error", // disallow unnecessary return await
        "no-self-compare": "error", // disallow comparisons where both sides areexactly the same
        "no-sequences": "error", // disallow comma operators
        "no-throw-literal": "error", // disallow throwing literals as exceptions,
        "@typescript-eslint/no-inferrable-types": "off" // Closed type inference
    }
}