jillo-bot/src/commands/inventory.ts

import { GuildMember, CommandInteraction, SlashCommandBuilder } from 'discord.js';
import { ItemInventory, db } from '../lib/db';
import { formatItems, getItem } from '../lib/rpg/items';
import { initHealth } from '../lib/rpg/pvp';
import { Command } from '../types/index';

export default {
  data: new SlashCommandBuilder()
    .setName('inventory')
    .setDescription('Check your inventory')
    .setDMPermission(false),

  execute: async (interaction: CommandInteraction) => {
    if (!interaction.isChatInputCommand()) return;

    const member = interaction.member! as GuildMember;

    await initHealth(member.id);

    await interaction.deferReply({ephemeral: true});

    const itemsList = await db<ItemInventory>('itemInventories')
      .select('item', 'quantity')
      .where('user', member.user.id);

    // kind of stupid kind of awful
    const items = (await Promise.all(itemsList.map(async i => ({item: await getItem(i.item), quantity: i.quantity})))).filter(i => i.item && i.quantity !== 0);

    await interaction.followUp(
      `Your inventory:\n${items.length === 0 ? '_Your inventory is empty!_' : items.map(i => `- ${formatItems(i.item!, i.quantity)}\n_${i.item!.description}_`).join('\n')}`
    );
  }
} satisfies Command;