.eslintrc.json

{
  "root": true,
  "parser": "@typescript-eslint/parser",
  "extends": ["eslint:recommended", "plugin:@typescript-eslint/recommended"],
  "plugins": ["@typescript-eslint"],
  "rules": {
    "indent": ["error", 2],
    "react/prefer-stateless-function": "off",
    "max-len": ["warn", { "code": 500 }],
    "eol-last": "off",
    "@typescript-eslint/explicit-function-return-type": "warn",
    "@typescript-eslint/no-non-null-assertion": "off",
    "@typescript-eslint/no-unused-vars": "error",
    //    "@typescript-eslint/no-explicit-any": "warn",
    "@typescript-eslint/no-explicit-any": "off",
    "@typescript-eslint/explicit-member-accessibility": [
      "error",
      {
        "accessibility": "explicit",
        "overrides": {
          "accessors": "explicit",
          "constructors": "no-public",
          "methods": "explicit",
          "properties": "explicit",
          "parameterProperties": "explicit"
        }
      }
    ],
    "block-scoped-var": "error",
    "eqeqeq": "error",
    "no-var": "error",
    "no-console": "error",
    "prefer-const": "error",
    "prefer-arrow-callback": "error",
    "no-trailing-spaces": "error",
    "quotes": ["warn", "single", { "avoidEscape": true }],
    "no-restricted-properties": [
      "error",
      {
        "object": "describe",
        "property": "only"
      },
      {
        "object": "it",
        "property": "only"
      }
    ]
  },
  "overrides": [],
  "settings": {
    "jest": {
      "version": 26
    }
  },
  "env": {
    "browser": true,
    "commonjs": true,
    "es6": true
  }
}