save.js

const http = require("http");
http
  .createServer(function (req, res) {
    res.write("save.js is active.\nPlease check it.");
    res.end();
  })
  .listen(8080);

const {
  Client,
  GatewayIntentBits,
  ButtonBuilder,
  ActionRowBuilder,
  ButtonStyle,
} = require("discord.js");
const discordTranscripts = require("discord-html-transcripts");
const client = new Client({
  intents: [
    GatewayIntentBits.Guilds,
    GatewayIntentBits.MessageContent,
    GatewayIntentBits.GuildMessages,
  ],
});
require("dotenv").config();

//起動確認
client.on("ready", () => {
  // コンソールにReady!!と表示
  console.log("Ready!!");

  // ステータスを設定する
  setInterval(() => {
    client.user.setActivity({
      name: `所属サーバー数は、${client.guilds.cache.size}サーバー｜　Ping値は、${client.ws.ping}msです`,
    });
  }, 10000);
  client.channels.cache.get("889486664760721418").send("起動しました！");

  // readyイベントここまで
});

//返答
client.on("messageCreate", async (message) => {
  if (message.author.bot) {
    return;
  }

  if (message.content == "hi") {
    message.channel.send("hi!");
  }

  if (message.content == "pj!save") {
    const options = new ActionRowBuilder().addComponents(
      new ButtonBuilder()
        .setCustomId("transcript")
        .setLabel("保存する")
        .setStyle(ButtonStyle.Secondary)
        .setEmoji("📥")
    );
    await message.channel.send({
      embeds: [
        {
          title: "save",
          color: 0x808080,
        },
      ],
      components: [options],
    });
  }
});

client.on("interactionCreate", async (interaction) => {
  const channel = interaction.channel; // or however you get your TextChannel
  const channel_topic = channel.topic;
  const customer_user_id = channel_topic.substr(6);

  // Must be awaited
  const attachment = await discordTranscripts.createTranscript(channel, {
    limit: -1,
    filename: `support_transcript_with_${customer_user_id}.html`,
  });
  await interaction.channel.send({
    embeds: [
      {
        title: "save",
        color: 0x20ff20,
      },
    ],
    files: [attachment],
  });
});

//Discordへの接続
const token = process.env.token;
client.login(token);