.eslintrc.json

{
  "extends": ["plugin:@typescript-eslint/recommended"],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 2020,
    "project": ["tsconfig.json"],
    "sourceType": "module"
  },
  "plugins": ["@typescript-eslint", "rxjs"],
  "root": true,
  "rules": {
    "@typescript-eslint/explicit-function-return-type": "off",
    "@typescript-eslint/explicit-module-boundary-types": "off",
    "@typescript-eslint/no-duplicate-enum-values": "error",
    "@typescript-eslint/no-explicit-any": 1,
    "@typescript-eslint/no-inferrable-types": [
      "warn",
      {
        "ignoreParameters": true
      }
    ],
    "@typescript-eslint/no-unsafe-declaration-merging": "error",
    "@typescript-eslint/no-unused-vars": [
      "warn",
      {
        "argsIgnorePattern": "^_",
        "caughtErrorsIgnorePattern": "^_",
        "varsIgnorePattern": "^_"
      }
    ],
    "quotes": ["error", "double"],
    "rxjs/no-async-subscribe": "error",
    "rxjs/no-ignored-observable": "error",
    "rxjs/no-ignored-subscription": "error",
    "rxjs/no-unbound-methods": "error",
    "rxjs/throw-error": "error",
    "semi": ["error", "always"],
    "strict": "error"
  }
}