.eslintrc.json

{
  "root": true,
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 6,
    "sourceType": "module"
  },
  "plugins": ["@typescript-eslint", "eslint-plugin-mocha"],
  "rules": {
    "@typescript-eslint/class-name-casing": "warn",
    "@typescript-eslint/semi": "off",
    "curly": "warn",
    "eqeqeq": "warn",
    "mocha/no-identical-title": "warn",
    "no-dupe-else-if": "warn",
    "no-duplicate-case": "error",
    "no-lonely-if": "warn",
    "no-throw-literal": "warn",
    "padding-line-between-statements": [
      "error",
      {
        "blankLine": "always",
        "next": ["case", "default", "return"],
        "prev": "*"
      },
      {
        "blankLine": "any",
        "next": ["case", "default"],
        "prev": ["case", "default"]
      },
      {
        "blankLine": "always",
        "next": ["if"],
        "prev": ["const", "let"]
      }
    ],
    "semi": "off"
  }
}