get-new-message-id.js

export async function getNewMessageId(chatId, checkNumber = true) {
  const chat = checkNumber
    ? await WAPI.sendExist(chatId)
    : await WAPI.returnChat(chatId);
  if (chat.id) {
    const newMsgId = new Object();
    newMsgId.fromMe = true;
    newMsgId.id = await WAPI.getNewId().toUpperCase();
    newMsgId.remote = new Store.WidFactory.createWid(chat.id._serialized);
    newMsgId._serialized = `${newMsgId.fromMe}_${newMsgId.remote}_${newMsgId.id}`;
    const Msgkey = new Store.MsgKey(newMsgId);
    return Msgkey;
  } else {
    return false;
  }
}