It works by finding a message by them and trying to react to it. It returns true, false, or undefined. undefined means that it couldn't figure out if the user blocked or not.
Open question: should the reaction be removed after adding it? Currently, for DMs it reacts and then unreacts, and for guild messages it reacts and leaves the reaction.
It works by finding a message by them and trying to react to it. It returns true, false, or undefined. undefined means that it couldn't figure out if the user blocked or not.