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refactor: centralize WhatsApp target normalization

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This commit is contained in:
Peter Steinberger
2026-01-10 02:39:50 +01:00
parent 8f8caa8d89
commit 9cd2662a86
9 changed files with 191 additions and 130 deletions
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28
src/utils.ts
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@@ -25,34 +25,6 @@ export function withWhatsAppPrefix(number: string): string {
return number.startsWith("whatsapp:") ? number : `whatsapp:${number}`;
}
function stripWhatsAppTargetPrefixes(value: string): string {
const trimmed = value.trim();
return trimmed
.replace(/^whatsapp:/i, "")
.replace(/^group:/i, "")
.trim();
}
export function isWhatsAppGroupJid(value: string): boolean {
const candidate = stripWhatsAppTargetPrefixes(value);
const lower = candidate.toLowerCase();
if (!lower.endsWith("@g.us")) return false;
const localPart = candidate.slice(0, candidate.length - "@g.us".length);
if (!localPart || localPart.includes("@")) return false;
return /^[0-9]+(-[0-9]+)*$/.test(localPart);
}
export function normalizeWhatsAppTarget(value: string): string {
const candidate = stripWhatsAppTargetPrefixes(value);
if (!candidate) return "";
if (isWhatsAppGroupJid(candidate)) {
const localPart = candidate.slice(0, candidate.length - "@g.us".length);
return `${localPart}@g.us`;
}
const normalized = normalizeE164(candidate);
return normalized.length > 1 ? normalized : "";
}
export function normalizeE164(number: string): string {
const withoutPrefix = number.replace(/^whatsapp:/, "").trim();
const digits = withoutPrefix.replace(/[^\d+]/g, "");