tgram.js/connect/messages/messages-send-doc.js

Lightweight modern library for telegram bot. use Node.js

import telegramFetch from "../utility/telegram-fetch.js";
import FormData from "form-data";

/**
 * Kirim dokumen (file_id, URL, atau Buffer)
 * @param {string} token 
 * @param {number|string} chatId 
 * @param {string|Buffer} document 
 * @param {string} [filename] — hanya untuk Buffer
 * @param {string} caption - Options
 */
export async function sendDocument(token, chatId, document, filename = "file.txt", caption) {
  if (Buffer.isBuffer(document)) {
    const form = new FormData();
    if (caption) form.append("caption", caption)
    form.append("chat_id", chatId);
    form.append("document", document, { filename });

    return telegramFetch.post(`https://api.telegram.org/bot${token}/sendDocument`, form, {
      headers: form.getHeaders()
    });
  }

  // If document URL Or File_Id
  return telegramFetch.post(`https://api.telegram.org/bot${token}/sendDocument`, {
    chat_id: chatId,
    document,
    caption
  });
}