poixpixel-discord-bot/source/commands/user.ts

import {
  SlashCommandBuilder,
  CommandInteraction,
  GuildMember,
} from "discord.js";

interface Command {
  data: Omit<SlashCommandBuilder, "addSubcommand" | "addSubcommandGroup">;
  execute: (interaction: CommandInteraction) => Promise<void>;
}

const command: Command = {
  data: new SlashCommandBuilder()
    .setName("user")
    .setDescription("Provides information about the user."),
  execute: async (interaction) => {
    if (interaction.member instanceof GuildMember) {
      await interaction.reply(
        `This command was run by ${interaction.user.username}, who joined this server on ${interaction.member.joinedAt}.`
      );
    } else {
      await interaction.reply(
        `This command was run by ${interaction.user.username}.`
      );
    }
  },
};

export default command;