cuubot/src/handlers/messageCreate.ts

/* eslint-disable import/prefer-default-export */
/* eslint-disable @typescript-eslint/no-unsafe-call */
/* eslint-disable @typescript-eslint/no-unsafe-assignment */
/* eslint-disable @typescript-eslint/no-unsafe-member-access */
/* eslint-disable @typescript-eslint/no-unsafe-return */

import { ChannelType } from 'discord.js';
import CLIENT from '../client';
import * as anime from '../functions/anime';
import * as meme from '../functions/meme';
import post from '../commands/post';
import help from '../commands/help';

CLIENT.on('messageCreate', async (message) => {
  if (!CLIENT.user) {
    return;
  }

  if (message.author.id === CLIENT.user.id) {
    // Do not listen to own messages.
    return;
  }

  const content = message.content?.replaceAll(/\s\s+/g, ' ').toLowerCase() ?? '';

  if (message.channel.type === ChannelType.DM) {
    const [command] = content.split(' ');

    if (command === 'save') {
      await anime.queueImage(message);
    }

    return;
  }

  if (content.startsWith(`<@!${CLIENT.user.id}>`) || content.startsWith(`<@${CLIENT.user.id}>`)) {
    const [, command, ...args] = content.split(' ');
    if (command === 'post') {
      await post(message, ...args);
      return;
    }

    if (command === 'help') {
      await help(message);
      return;
    }

    return;
  }

  await meme.listenForKeywordsAndReply(message);
  await anime.listenForImagesAndReply(message);
});