.eslintrc.json

{
  "root": true,
  "env": {
    "es6": true,
    "node": true
  },
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "parser": "@typescript-eslint/parser",
    "ecmaVersion": "latest",
    "sourceType": "module"
  },
  "plugins": ["@typescript-eslint", "unicorn"],
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:unicorn/recommended"
  ],
  "rules": {
    "semi": ["error", "never"],
    "quotes": ["error", "single"],
    "no-console": "off",
    "no-unexpected-multiline": "error",
    "space-before-function-paren": [ "error", {"anonymous": "always", "named": "never", "asyncArrow": "always"}],
    "arrow-parens": ["error", "as-needed"],
    "no-return-await": "error",
    "no-use-before-define": ["error", "nofunc"],
    "no-useless-concat": "error",
    "prefer-const": ["warn", {"ignoreReadBeforeAssign": false}],
    "prefer-spread": "warn",
    "prefer-rest-params": "warn",
    "prefer-destructuring": ["warn", {"object": true, "array": false}],
    "prefer-promise-reject-errors": ["warn", {"allowEmptyReject": true}]
  }
}