Function extractVerificationCodeFromMessages

microsoft-email.js:216–269

(messages, options = {})

  }

  function extractVerificationCodeFromMessages(messages, options = {}) {
    const filterAfterTimestamp = Number(options.filterAfterTimestamp || 0) || 0;
    const senderFilters = (options.senderFilters || []).map(normalizeFilterValue).filter(Boolean);
    const subjectFilters = (options.subjectFilters || []).map(normalizeFilterValue).filter(Boolean);
    const excludedCodes = new Set((options.excludeCodes || []).map((value) => String(value || '').trim()).filter(Boolean));
    const hasExplicitFilters = senderFilters.length > 0 || subjectFilters.length > 0;

    const sortedMessages = (Array.isArray(messages) ? messages : [])
      .map((raw) => normalizeMessage(raw, raw?.mailbox))
      .sort((left, right) => getMessageTimestamp(right) - getMessageTimestamp(left));

    for (const message of sortedMessages) {
      const receivedAt = getMessageTimestamp(message);
      if (receivedAt && receivedAt < filterAfterTimestamp) {
        continue;
      }

      const sender = normalizeFilterValue(getMessageSender(message));
      const subject = normalizeFilterValue(message?.subject);
      const preview = normalizeFilterValue(message?.bodyPreview);
      const searchText = normalizeFilterValue(getMessageSearchText(message));
      const codeMatch = getMessageSearchText(message).match(CODE_PATTERN);
      const code = codeMatch?.[1] || '';
      if (!code || excludedCodes.has(code)) {
        continue;
      }

      if (!hasExplicitFilters && !isOpenAiMessage(message)) {
        continue;
      }

      const senderMatched = senderFilters.length === 0
        ? true
        : senderFilters.some((filter) => sender.includes(filter) || preview.includes(filter) || searchText.includes(filter));
      const subjectMatched = subjectFilters.length === 0
        ? true
        : subjectFilters.some((filter) => subject.includes(filter) || preview.includes(filter) || searchText.includes(filter));
      if (!senderMatched && !subjectMatched) {
        continue;
      }

      return {
        code,
        emailTimestamp: receivedAt || Date.now(),
        messageId: message?.id || null,
        sender: getMessageSender(message),
        subject: String(message?.subject || ''),
        mailbox: message?.mailbox || 'INBOX',
        message,
      };
    }

    return null;
  }

  async function fetchMicrosoftMailboxMessages(options = {}) {
    const {