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

Lightweight modern library for telegram bot. use Node.js

import axios from "axios";
import FormData from "form-data";
import { Readable } from "stream";

/**
 * Kirim audio dengan custom filename
 * @param {string} token 
 * @param {number} chatId 
 * @param {Buffer|Readable} audioBuffer 
 * @param {string} filename 
 * @param {string} caption 
 */
export async function sendAudio(token, chatId, audioBuffer, filename = "audio.mp3", caption = "") {
  if (audioBuffer.startsWith("https://") || audioBuffer.startsWith("http://")) {
    const res = await axios.get(audioBuffer, { responseType: "arraybuffer" })
    audioBuffer = res.data
  }
  const form = new FormData();
  form.append("chat_id", chatId);
  form.append("caption", caption);
  form.append("audio", audioBuffer, {
    filename: filename,
    contentType: "audio/mpeg"
  });

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