TravBot-v3/src/events/messageReactionRemove.ts

import Event from "../core/event";
import {Permissions} from "discord.js";
import {botHasPermission} from "../core/lib";

// A list of message ID and callback pairs. You get the emote name and ID of the user reacting.
export const eventListeners: Map<
    string,
    (emote: string, id: string) => void
> = new Map();

// Attached to the client, there can be one event listener attached to a message ID which is executed if present.
export default new Event<"messageReactionRemove">({
    on(reaction, user) {
        const canDeleteEmotes = botHasPermission(
            reaction.message.guild,
            Permissions.FLAGS.MANAGE_MESSAGES
        );

        if (!canDeleteEmotes) {
            const callback = eventListeners.get(reaction.message.id);
            callback && callback(reaction.emoji.name, user.id);
        }
    }
});