.eslintrc.json

{
  "env": {
    "es6": true,
    "node": true
  },
  "root": true,
  "extends": ["prettier"],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "project": "tsconfig.eslint.json",
    "sourceType": "module"
  },
  "plugins": ["@typescript-eslint", "eslint-plugin-import"],
  "rules": {
    "@typescript-eslint/adjacent-overload-signatures": "error",
    "@typescript-eslint/no-empty-function": "error",
    "@typescript-eslint/no-empty-interface": "warn",
    "@typescript-eslint/no-namespace": "error",
    "@typescript-eslint/prefer-for-of": "warn",
    "@typescript-eslint/triple-slash-reference": "error",
    "@typescript-eslint/unified-signatures": "warn",
    "no-param-reassign": "error",
    "import/no-unassigned-import": "warn",
    "comma-dangle": ["error", "only-multiline"],
    "constructor-super": "error",
    "eqeqeq": ["warn", "always"],
    "no-cond-assign": "error",
    "no-duplicate-case": "error",
    "no-duplicate-imports": "error",
    "no-empty": [
      "error",
      {
        "allowEmptyCatch": true
      }
    ],
    "spaced-comment": "error",
    "no-invalid-this": "error",
    "no-new-wrappers": "error",
    "no-redeclare": "error",
    "no-sequences": "error",
    "no-shadow": [
      "error",
      {
        "hoist": "all"
      }
    ],
    "no-throw-literal": "error",
    "no-unsafe-finally": "error",
    "no-unused-labels": "error",
    "no-var": "warn",
    "prefer-const": "warn"
  },
  "ignorePatterns": ["**/*.rb"]
}