The Airbnb styleguide and matching ESLint preset is quite popular and very complete: <a href="https:&#x2F;&#x2F;github.com&#x2F;airbnb&#x2F;javascript&#x2F;tree&#x2F;master&#x2F;packages&#x2F;eslint-config-airbnb" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;airbnb&#x2F;javascript&#x2F;tree&#x2F;master&#x2F;packages&#x2F;es...</a>