import { normalizeLowercaseStringOrEmpty } from "openclaw/plugin-sdk/text-runtime" ;
type ParsedVcard = {
name?: string;
phones: string[];
};
const ALLOWED_VCARD_KEYS = new Set(["FN" , "N" , "TEL" ]);
export function parseVcard(vcard?: string): ParsedVcard {
if (!vcard) {
return { phones: [] };
}
const lines = vcard.split(/\r?\n/);
let nameFromN: string | undefined;
let nameFromFn: string | undefined;
const phones: string[] = [];
for (const rawLine of lines) {
const line = rawLine.trim();
if (!line) {
continue ;
}
const colonIndex = line.indexOf(":" );
if (colonIndex === -1 ) {
continue ;
}
const key = line.slice(0 , colonIndex).toUpperCase();
const rawValue = line.slice(colonIndex + 1 ).trim();
if (!rawValue) {
continue ;
}
const baseKey = normalizeVcardKey(key);
if (!baseKey || !ALLOWED_VCARD_KEYS.has(baseKey)) {
continue ;
}
const value = cleanVcardValue(rawValue);
if (!value) {
continue ;
}
if (baseKey === "FN" && !nameFromFn) {
nameFromFn = normalizeVcardName(value);
continue ;
}
if (baseKey === "N" && !nameFromN) {
nameFromN = normalizeVcardName(value);
continue ;
}
if (baseKey === "TEL" ) {
const phone = normalizeVcardPhone(value);
if (phone) {
phones.push(phone);
}
}
}
return { name: nameFromFn ?? nameFromN, phones };
}
function normalizeVcardKey(key: string): string | undefined {
const [primary] = key.split(";" );
if (!primary) {
return undefined;
}
const segments = primary.split("." );
return segments[segments.length - 1 ] || undefined;
}
function cleanVcardValue(value: string): string {
return value.replace(/\\n/gi, " " ).replace(/\\,/g, "," ).replace(/\\;/g, ";" ).trim();
}
function normalizeVcardName(value: string): string {
return value.replace(/;/g, " " ).replace(/\s+/g, " " ).trim();
}
function normalizeVcardPhone(value: string): string {
const trimmed = value.trim();
if (!trimmed) {
return "" ;
}
if (normalizeLowercaseStringOrEmpty(trimmed).startsWith("tel:" )) {
return trimmed.slice(4 ).trim();
}
return trimmed;
}
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