.eslintrc

{
  "root": true,
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "project": ["tsconfig.json"]
  },
  "plugins": ["@typescript-eslint"],
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:@typescript-eslint/recommended-requiring-type-checking",
    "prettier"
  ],
  "overrides": [],
  "rules": {
    // They are great actually
    "@typescript-eslint/no-namespace": "off",
    // TypeScript makes these safe & effective
    "no-case-declarations": "off",
    // Same approach used by TypeScript noUnusedLocals
    "@typescript-eslint/no-unused-vars": ["warn", { "varsIgnorePattern": "^_", "argsIgnorePattern": "^_" }],
    "no-return-await": "off",
    "@typescript-eslint/return-await": ["error", "always"],
    "@typescript-eslint/no-floating-promises": ["error", { "ignoreVoid": true }],
    "@typescript-eslint/require-await": "error"
  }
}