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fb4d8fe | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 | import { normalizeE164 } from "../utils.js";
const WHATSAPP_USER_JID_RE = /^(\d+)(?::\d+)?@s\.whatsapp\.net$/i;
const WHATSAPP_LID_RE = /^(\d+)@lid$/i;
function stripWhatsAppTargetPrefixes(value: string): string {
let candidate = value.trim();
for (;;) {
const before = candidate;
candidate = candidate.replace(/^whatsapp:/i, "").trim();
if (candidate === before) {
return candidate;
}
}
}
export function isWhatsAppGroupJid(value: string): boolean {
const candidate = stripWhatsAppTargetPrefixes(value);
const lower = candidate.toLowerCase();
if (!lower.endsWith("@g.us")) {
return false;
}
const localPart = candidate.slice(0, candidate.length - "@g.us".length);
if (!localPart || localPart.includes("@")) {
return false;
}
return /^[0-9]+(-[0-9]+)*$/.test(localPart);
}
/**
* Check if value looks like a WhatsApp user target (e.g. "41796666864:0@s.whatsapp.net" or "123@lid").
*/
export function isWhatsAppUserTarget(value: string): boolean {
const candidate = stripWhatsAppTargetPrefixes(value);
return WHATSAPP_USER_JID_RE.test(candidate) || WHATSAPP_LID_RE.test(candidate);
}
/**
* Extract the phone number from a WhatsApp user JID.
* "41796666864:0@s.whatsapp.net" -> "41796666864"
* "123456@lid" -> "123456"
*/
function extractUserJidPhone(jid: string): string | null {
const userMatch = jid.match(WHATSAPP_USER_JID_RE);
if (userMatch) {
return userMatch[1];
}
const lidMatch = jid.match(WHATSAPP_LID_RE);
if (lidMatch) {
return lidMatch[1];
}
return null;
}
export function normalizeWhatsAppTarget(value: string): string | null {
const candidate = stripWhatsAppTargetPrefixes(value);
if (!candidate) {
return null;
}
if (isWhatsAppGroupJid(candidate)) {
const localPart = candidate.slice(0, candidate.length - "@g.us".length);
return `${localPart}@g.us`;
}
// Handle user JIDs (e.g. "41796666864:0@s.whatsapp.net")
if (isWhatsAppUserTarget(candidate)) {
const phone = extractUserJidPhone(candidate);
if (!phone) {
return null;
}
const normalized = normalizeE164(phone);
return normalized.length > 1 ? normalized : null;
}
// If the caller passed a JID-ish string that we don't understand, fail fast.
// Otherwise normalizeE164 would happily treat "group:120@g.us" as a phone number.
if (candidate.includes("@")) {
return null;
}
const normalized = normalizeE164(candidate);
return normalized.length > 1 ? normalized : null;
}
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