Function getAvailableNumbers

src/utils/onWhatsappCache.ts:8–60

(remoteJid: string)

const logger = new Logger('OnWhatsappCache');

function getAvailableNumbers(remoteJid: string) {
  const numbersAvailable: string[] = [];

  if (remoteJid.startsWith('+')) {
    remoteJid = remoteJid.slice(1);
  }

  const [number, domain] = remoteJid.split('@');

  // TODO: Se já for @lid, retornar apenas ele mesmo SEM adicionar @domain novamente
  if (domain === 'lid' || domain === 'g.us') {
    return [remoteJid]; // Retorna direto para @lid e @g.us
  }

  // Brazilian numbers
  if (remoteJid.startsWith('55')) {
    const numberWithDigit =
      number.slice(4, 5) === '9' && number.length === 13 ? number : `${number.slice(0, 4)}9${number.slice(4)}`;
    const numberWithoutDigit = number.length === 12 ? number : number.slice(0, 4) + number.slice(5);

    numbersAvailable.push(numberWithDigit);
    numbersAvailable.push(numberWithoutDigit);
  }

  // Mexican/Argentina numbers
  // Ref: https://faq.whatsapp.com/1294841057948784
  else if (number.startsWith('52') || number.startsWith('54')) {
    let prefix = '';
    if (number.startsWith('52')) {
      prefix = '1';
    }
    if (number.startsWith('54')) {
      prefix = '9';
    }

    const numberWithDigit =
      number.slice(2, 3) === prefix && number.length === 13
        ? number
        : `${number.slice(0, 2)}${prefix}${number.slice(2)}`;
    const numberWithoutDigit = number.length === 12 ? number : number.slice(0, 2) + number.slice(3);

    numbersAvailable.push(numberWithDigit);
    numbersAvailable.push(numberWithoutDigit);
  }

  // Other countries
  else {
    numbersAvailable.push(remoteJid);
  }

  // TODO: Adiciona @domain apenas para números que não são @lid
  return numbersAvailable.map((number) => `${number}@${domain}`);
}

interface ISaveOnWhatsappCacheParams {
  remoteJid: string;