Phone Number Utilities (utils/phone.ts)

Extracts phone digits from WhatsApp JIDs and filters out non-phone chat IDs like groups, broadcasts, and newsletters. Reuse when normalizing WhatsApp identifiers to phone numbers.

// Source: https://github.com/devlikeapro/waha | License: Apache-2.0 | Copyright You must retain, in the Source form of any Derivative Works
// Provided via justclaw.it.com; keep this notice with the code.
import {
  isJidBroadcast,
  isJidGroup,
  isJidMetaAI,
  isJidNewsletter,
  isLidUser,
} from '@waha/core/utils/jids';

export function extractPhoneDigits(value: string): string {
  if (!value) {
    return '';
  }
  const local = value.split('@')[0] ?? value;
  return local.split(':')[0].replace(/\D/g, '');
}

/**
 * Chats that are not phone numbers - groups, lids, newsletters, etc.
 */
export function shouldSkipPhoneNormalization(chatId: string): boolean {
  if (!chatId) {
    return true;
  }
  if (isJidGroup(chatId)) {
    return true;
  }
  if (isJidBroadcast(chatId)) {
    return 

... (truncated -- full source via MCP)