.eslintrc.json

{
  "parser": "@typescript-eslint/parser",
  "extends": [
    "plugin:@typescript-eslint/recommended",
    "prettier/@typescript-eslint",
    "plugin:prettier/recommended"
  ],
  "plugins": [
    "@typescript-eslint"
  ],
  "rules": {
    "linebreak-style": [
      "error",
      "unix"
    ],
    "indent": [
      "error",
      2
    ],
    "quotes": [
      2,
      "single",
      {
        "allowTemplateLiterals": true
      }
    ],
    "semi": [
      2,
      "always"
    ],
    "strict": "off",
    "curly": 2,
    "eqeqeq": 2,
    "no-eval": 2,
    "guard-for-in": 2,
    "no-caller": 2,
    "no-else-return": 2,
    "no-eq-null": 2,
    "no-extend-native": 2,
    "no-extra-bind": 2,
    "no-floating-decimal": 2,
    "no-implied-eval": 2,
    "no-labels": 2,
    "no-with": 2,
    "no-loop-func": 1,
    "no-native-reassign": 2,
    "no-redeclare": [
      2,
      {
        "builtinGlobals": true
      }
    ],
    "no-delete-var": 2,
    "no-shadow-restricted-names": 2,
    "no-undef-init": 2,
    "no-use-before-define": 0,
    "no-undef": 2,
    "callback-return": [
      1,
      [
        "callback",
        "cb",
        "next"
      ]
    ],
    "global-require": 0,
    "no-console": 0,
    "require-yield": 0,
    "no-multi-spaces": 2,
    "block-spacing": 2,
    "keyword-spacing": 2,
    "space-before-blocks": 2,
    "no-process-exit": "off",
    "comma-spacing": 2,
    "key-spacing": 2,
    "comma-dangle": 0,
    "space-infix-ops": 2,
    "prefer-const": "off",
    "no-var": "off",
    "prefer-rest-params": "off",
    "@typescript-eslint/no-var-requires": "off",
    "@typescript-eslint/camelcase": "off",
    "@typescript-eslint/no-empty-function": "off",
    "@typescript-eslint/no-use-before-define": "off",
    "@typescript-eslint/no-this-alias": "off",
    "@typescript-eslint/explicit-function-return-type": "off",
    "@typescript-eslint/no-unused-vars": [
      2,
      {
        "args": "none"
      }
    ]
  },
  "env": {
    "es6": true,
    "node": true,
    "browser": true,
    "jest": true
  },
  "globals": {
    "describe": true,
    "it": true,
    "before": true,
    "after": true,
    "beforeEach": true,
    "afterEach": true
  },
  "parserOptions": {
    "ecmaVersion": 8,
    "sourceType": "module"
  }
}