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feat: implement vCard 4.0 parsing and generation support

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This commit is contained in:
Linus Rath
2026-05-15 20:10:18 +02:00
parent 105194a8b9
commit b725000f4d
2 changed files with 616 additions and 37 deletions
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lib/vcard.ts
+364 -37
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@@ -48,7 +48,96 @@ function grammaticalGenderToVcardSex(gender: string): string {
}
function unfoldLines(vcf: string): string {
return vcf.replace(/\r\n[ \t]/g, "").replace(/\r\n/g, "\n").replace(/\r/g, "\n");
// Normalize line endings first, then unfold continuation lines (RFC 6350 §3.2).
// Continuation lines start with a single SPACE or TAB; we must handle both
// CRLF (RFC-canonical) and LF-only files (common from Unix exporters).
return vcf
.replace(/\r\n/g, "\n")
.replace(/\r/g, "\n")
.replace(/\n[ \t]/g, "");
}
// RFC 6868 parameter value encoding — used inside parameter values only.
// Caret-encoded sequences: ^n → LF, ^^ → ^, ^' → DQUOTE.
function decodeParamValue(s: string): string {
let out = "";
for (let i = 0; i < s.length; i++) {
if (s[i] === "^" && i + 1 < s.length) {
const next = s[i + 1];
if (next === "n") { out += "\n"; i++; continue; }
if (next === "^") { out += "^"; i++; continue; }
if (next === "'") { out += '"'; i++; continue; }
}
out += s[i];
}
return out;
}
// Split on delim, respecting DQUOTE-quoted spans (RFC 6350 §3.3 / §5).
function splitRespectingQuotes(s: string, delim: string): string[] {
const out: string[] = [];
let buf = "";
let inQuote = false;
for (let i = 0; i < s.length; i++) {
const ch = s[i];
if (ch === '"') {
inQuote = !inQuote;
buf += ch;
continue;
}
if (ch === delim && !inQuote) {
out.push(buf);
buf = "";
continue;
}
buf += ch;
}
out.push(buf);
return out;
}
// Find the first ":" outside of a DQUOTE-quoted parameter value.
// Returns -1 when none. Needed because property params may carry quoted
// values that contain colons (e.g. ADR;LABEL="Suite 100:..." or X- params).
function findValueColon(line: string): number {
let inQuote = false;
for (let i = 0; i < line.length; i++) {
const ch = line[i];
if (ch === '"') { inQuote = !inQuote; continue; }
if (ch === ":" && !inQuote) return i;
}
return -1;
}
// vCard properties may carry a group prefix: "item1.EMAIL:foo@bar".
// Strip the prefix and return the bare property name + params component.
function stripGroupPrefix(keyPart: string): string {
const dot = keyPart.indexOf(".");
if (dot < 0) return keyPart;
const before = keyPart.substring(0, dot);
// Only treat as group if the segment before the dot has no ";" (which would
// indicate it's actually a param boundary) and matches the RFC 6350 group
// grammar (ALPHA / DIGIT / "-").
if (before.includes(";")) return keyPart;
if (!/^[A-Za-z0-9-]+$/.test(before)) return keyPart;
return keyPart.substring(dot + 1);
}
// Strip URI scheme prefix from a value (e.g. "tel:+1-555" → "+1-555").
function stripUriScheme(val: string, scheme: string): string {
const prefix = `${scheme}:`;
if (val.toLowerCase().startsWith(prefix)) return val.substring(prefix.length);
return val;
}
function parsePrefParam(params: Record<string, string>): number | undefined {
if (params.PREF) {
const n = parseInt(params.PREF, 10);
if (!Number.isNaN(n)) return n;
}
// vCard 3.0 style: TYPE=PREF (no numeric value)
if (params.TYPE && /\bPREF\b/i.test(params.TYPE)) return 1;
return undefined;
}
// vCard 2.1 quoted-printable soft line breaks: a line ending in `=` continues
@@ -117,11 +206,18 @@ function encodeValue(val: string): string {
function parseParams(paramStr: string): Record<string, string> {
const params: Record<string, string> = {};
if (!paramStr) return params;
const parts = paramStr.split(";");
const parts = splitRespectingQuotes(paramStr, ";");
for (const part of parts) {
if (!part) continue;
const eq = part.indexOf("=");
if (eq > 0) {
params[part.substring(0, eq).toUpperCase()] = part.substring(eq + 1).replace(/"/g, "");
const name = part.substring(0, eq).toUpperCase();
// Strip surrounding quotes then RFC 6868 caret-decode.
// Strip surrounding DQUOTE if present (RFC 6350 §3.3). Pre-decode there
// are no literal LFs in a parameter value (those arrive as "^n" via
// RFC 6868), so we don't need the dotAll flag.
const rawVal = part.substring(eq + 1).replace(/^"(.*)"$/, "$1");
params[name] = decodeParamValue(rawVal);
} else {
const upper = part.toUpperCase();
if (upper === "QUOTED-PRINTABLE" || upper === "BASE64") {
@@ -190,9 +286,9 @@ export function parseVCard(vcfString: string): ContactCard[] {
}
if (current) {
const colonIdx = trimmed.indexOf(":");
const colonIdx = findValueColon(trimmed);
if (colonIdx < 1) continue;
const keyPart = trimmed.substring(0, colonIdx);
const keyPart = stripGroupPrefix(trimmed.substring(0, colonIdx));
const value = trimmed.substring(colonIdx + 1);
if (!current[keyPart]) current[keyPart] = [];
current[keyPart].push(value);
@@ -205,12 +301,18 @@ export function parseVCard(vcfString: string): ContactCard[] {
function buildContact(raw: Record<string, string[]>): ContactCard | null {
const id = `import-${generateUUID()}`;
const card: ContactCard = { id, addressBookIds: {} };
// Deferred BIRTHPLACE/DEATHPLACE values — attach to anniversary at end,
// because the BDAY/DEATHDATE entry may appear in any order.
let birthPlace: string | undefined;
let deathPlace: string | undefined;
for (const [fullKey, values] of Object.entries(raw)) {
const semiIdx = fullKey.indexOf(";");
const propName = (semiIdx > 0 ? fullKey.substring(0, semiIdx) : fullKey).toUpperCase();
const paramStr = semiIdx > 0 ? fullKey.substring(semiIdx + 1) : "";
// splitRespectingQuotes so a quoted param value containing ";" survives.
const segments = splitRespectingQuotes(fullKey, ";");
const propName = (segments.shift() || "").toUpperCase();
const paramStr = segments.join(";");
const params = parseParams(paramStr);
const pref = parsePrefParam(params);
const isQuotedPrintable = params.ENCODING?.toUpperCase() === "QUOTED-PRINTABLE";
@@ -257,8 +359,10 @@ function buildContact(raw: Record<string, string[]>): ContactCard | null {
if (!card.emails) card.emails = {};
const idx = Object.keys(card.emails).length;
card.emails[`e${idx}`] = {
address: val,
address: stripUriScheme(val, "mailto"),
contexts: typeToContext(params.TYPE),
label: params["X-ABLABEL"] || undefined,
pref,
};
break;
}
@@ -267,9 +371,13 @@ function buildContact(raw: Record<string, string[]>): ContactCard | null {
if (!card.phones) card.phones = {};
const idx = Object.keys(card.phones).length;
card.phones[`p${idx}`] = {
number: val,
// vCard 4.0 TEL is a URI value (RFC 6350 §6.4.1); strip the
// "tel:" scheme for storage as a bare number.
number: stripUriScheme(val, "tel"),
contexts: typeToContext(params.TYPE),
features: typeToPhoneFeatures(params.TYPE),
label: params["X-ABLABEL"] || undefined,
pref,
};
break;
}
@@ -295,7 +403,15 @@ function buildContact(raw: Record<string, string[]>): ContactCard | null {
region: adrParts[4] || undefined,
postcode: adrParts[5] || undefined,
country: adrParts[6] || undefined,
// vCard 4.0 (RFC 9554 §3.2): CC param carries ISO country code,
// and LABEL/GEO/TZ params attach directly to the ADR.
countryCode: params.CC || undefined,
fullAddress: params.LABEL || undefined,
coordinates: params.GEO ? stripUriScheme(params.GEO, "geo") : undefined,
timeZone: params.TZ || undefined,
contexts: typeToContext(params.TYPE),
label: params["X-ABLABEL"] || undefined,
pref,
};
break;
}
@@ -318,8 +434,10 @@ function buildContact(raw: Record<string, string[]>): ContactCard | null {
break;
case "KIND": {
// RFC 6350 §6.1.4 plus RFC 6473 (application).
const k = val.toLowerCase();
if (k === "group" || k === "individual" || k === "org") {
if (k === "group" || k === "individual" || k === "org" ||
k === "location" || k === "device" || k === "application") {
card.kind = k;
}
break;
@@ -336,7 +454,8 @@ function buildContact(raw: Record<string, string[]>): ContactCard | null {
if (!card.media) card.media = {};
const idx = Object.keys(card.media).length;
const encoding = params.ENCODING?.toUpperCase();
const mediaType = params.TYPE || params.MEDIATYPE || "";
// vCard 4.0 uses MEDIATYPE; 3.0 reuses TYPE for the image kind.
const mediaType = params.MEDIATYPE || (params.TYPE && params.TYPE.includes("/") ? params.TYPE : (params.TYPE && /^(JPEG|JPG|PNG|GIF|WEBP|HEIC|BMP|SVG)$/i.test(params.TYPE) ? params.TYPE : "")) || "";
if (encoding === "B" || encoding === "BASE64") {
// Inline base64 photo - construct a data URI
const mime = mediaType.includes("/") ? mediaType : mediaType ? `image/${mediaType.toLowerCase()}` : "image/jpeg";
@@ -346,7 +465,7 @@ function buildContact(raw: Record<string, string[]>): ContactCard | null {
mediaType: mime,
};
} else if (val.startsWith("data:") || val.startsWith("http://") || val.startsWith("https://")) {
// URI value (data URI or URL)
// vCard 4.0 URI value (data URI or URL) — no ENCODING param.
card.media[`m${idx}`] = {
kind: "photo",
uri: val,
@@ -376,28 +495,36 @@ function buildContact(raw: Record<string, string[]>): ContactCard | null {
card.onlineServices[`u${idx}`] = {
uri: val,
contexts: typeToContext(params.TYPE),
label: params.TYPE?.toLowerCase() === "home" || params.TYPE?.toLowerCase() === "work" ? undefined : params.TYPE,
label: params["X-ABLABEL"] ||
(params.TYPE?.toLowerCase() === "home" || params.TYPE?.toLowerCase() === "work" ? undefined : params.TYPE),
pref,
};
break;
}
case "IMPP":
case "X-SOCIALPROFILE": {
case "X-SOCIALPROFILE":
case "SOCIALPROFILE": {
// RFC 9554 §3.7 introduces SOCIALPROFILE; treat the same as IMPP/X-SOCIALPROFILE.
if (!card.onlineServices) card.onlineServices = {};
const idx = Object.keys(card.onlineServices).length;
const svc: ContactOnlineService = {
uri: val,
contexts: typeToContext(params.TYPE),
pref,
};
if (params["X-SERVICE-TYPE"]) {
svc.service = params["X-SERVICE-TYPE"];
} else if (propName === "X-SOCIALPROFILE" && params.TYPE) {
} else if (params.SERVICE) {
svc.service = params.SERVICE;
} else if ((propName === "X-SOCIALPROFILE" || propName === "SOCIALPROFILE") && params.TYPE) {
const typeVal = params.TYPE.toLowerCase();
if (typeVal !== "work" && typeVal !== "home") {
svc.service = params.TYPE;
}
}
if (params["X-USER"]) svc.user = params["X-USER"];
if (params["X-ABLABEL"]) svc.label = params["X-ABLABEL"];
card.onlineServices[`u${idx}`] = svc;
break;
}
@@ -408,6 +535,14 @@ function buildContact(raw: Record<string, string[]>): ContactCard | null {
break;
}
case "BIRTHPLACE": {
// RFC 6474 §2.1. Stash the location and attach to the birth
// anniversary at the end of buildContact, since BDAY may appear
// either before or after BIRTHPLACE in the vCard.
birthPlace = val;
break;
}
case "ANNIVERSARY":
case "X-ANNIVERSARY": {
if (!card.anniversaries) card.anniversaries = {};
@@ -424,6 +559,12 @@ function buildContact(raw: Record<string, string[]>): ContactCard | null {
break;
}
case "DEATHPLACE": {
// RFC 6474 §2.2.
deathPlace = val;
break;
}
case "CATEGORIES": {
if (!card.keywords) card.keywords = {};
const cats = val.split(",").map(c => c.trim()).filter(Boolean);
@@ -438,6 +579,7 @@ function buildContact(raw: Record<string, string[]>): ContactCard | null {
const idx = Object.keys(card.cryptoKeys).length;
card.cryptoKeys[`k${idx}`] = {
uri: val,
mediaType: params.MEDIATYPE || (params.TYPE && params.TYPE.includes("/") ? params.TYPE : undefined),
contexts: typeToContext(params.TYPE),
};
break;
@@ -445,9 +587,15 @@ function buildContact(raw: Record<string, string[]>): ContactCard | null {
case "RELATED": {
if (!card.relatedTo) card.relatedTo = {};
const relType = params.TYPE?.toLowerCase();
// RFC 6350 §6.6.6: TYPE may be a comma-separated list (or
// multi-valued via repeated params); convert to relation map.
const relation: Record<string, boolean> = {};
if (relType) relation[relType] = true;
if (params.TYPE) {
for (const t of params.TYPE.split(",")) {
const norm = t.trim().toLowerCase();
if (norm) relation[norm] = true;
}
}
card.relatedTo[val] = { relation: Object.keys(relation).length > 0 ? relation : undefined };
break;
}
@@ -458,6 +606,7 @@ function buildContact(raw: Record<string, string[]>): ContactCard | null {
card.preferredLanguages[`l${idx}`] = {
language: val,
contexts: typeToContext(params.TYPE),
pref,
};
break;
}
@@ -494,16 +643,22 @@ function buildContact(raw: Record<string, string[]>): ContactCard | null {
}
case "GENDER": {
// vCard 4.0 §6.2.7: sex-component[;identity-component]. We map the
// sex letter to JSContact's grammaticalGender and stuff the free-
// form identity into pronouns (a coarse approximation; RFC 9554's
// PRONOUNS / GRAMGENDER, handled below, are preferred when present).
const gParts = val.split(";");
const sexCode = gParts[0]?.toUpperCase();
const identityText = gParts[1];
if (sexCode || identityText) {
card.speakToAs = {};
if (!card.speakToAs) card.speakToAs = {};
if (sexCode) {
card.speakToAs.grammaticalGender = vcardSexToGrammaticalGender(sexCode);
}
if (identityText) {
card.speakToAs.pronouns = { p0: { pronouns: identityText } };
if (!card.speakToAs.pronouns) card.speakToAs.pronouns = {};
const pkey = `p${Object.keys(card.speakToAs.pronouns).length}`;
card.speakToAs.pronouns[pkey] = { pronouns: identityText };
}
}
break;
@@ -513,7 +668,9 @@ function buildContact(raw: Record<string, string[]>): ContactCard | null {
if (!card.media) card.media = {};
const idx = Object.keys(card.media).length;
const encoding = params.ENCODING?.toUpperCase();
const mediaType = params.TYPE || params.MEDIATYPE || "";
// Prefer MEDIATYPE (vCard 4.0); fall back to TYPE only when it's a
// MIME type or a known image format token (vCard 3.0 idiom).
const mediaType = params.MEDIATYPE || (params.TYPE && (params.TYPE.includes("/") || /^(JPEG|JPG|PNG|GIF|WEBP|SVG)$/i.test(params.TYPE)) ? params.TYPE : "");
if (encoding === "B" || encoding === "BASE64") {
const mime = mediaType.includes("/") ? mediaType : mediaType ? `image/${mediaType.toLowerCase()}` : "image/png";
card.media[`m${idx}`] = {
@@ -535,7 +692,7 @@ function buildContact(raw: Record<string, string[]>): ContactCard | null {
if (!card.media) card.media = {};
const idx = Object.keys(card.media).length;
const encoding = params.ENCODING?.toUpperCase();
const mediaType = params.TYPE || params.MEDIATYPE || "";
const mediaType = params.MEDIATYPE || (params.TYPE && (params.TYPE.includes("/") || /^(OGG|MP3|WAV|AAC|FLAC)$/i.test(params.TYPE)) ? params.TYPE : "");
if (encoding === "B" || encoding === "BASE64") {
const mime = mediaType.includes("/") ? mediaType : mediaType ? `audio/${mediaType.toLowerCase()}` : "audio/ogg";
card.media[`m${idx}`] = {
@@ -581,10 +738,110 @@ function buildContact(raw: Record<string, string[]>): ContactCard | null {
case "SOURCE":
card.source = val;
break;
// ---- RFC 6715 (EXPERTISE / HOBBY / INTEREST / ORG-DIRECTORY) ----
case "EXPERTISE":
case "HOBBY":
case "INTEREST": {
if (!card.personalInfo) card.personalInfo = {};
const idx = Object.keys(card.personalInfo).length;
const kind = propName.toLowerCase() as "expertise" | "hobby" | "interest";
const rawLevel = params.LEVEL?.toLowerCase();
// RFC 6715 levels: expertise uses beginner/average/expert; hobby/
// interest use high/medium/low. Normalize all into JSContact's
// high/medium/low triplet.
const levelMap: Record<string, "high" | "medium" | "low"> = {
beginner: "low", average: "medium", expert: "high",
low: "low", medium: "medium", high: "high",
};
const level = rawLevel ? levelMap[rawLevel] : undefined;
card.personalInfo[`i${idx}`] = { kind, value: val, level };
break;
}
case "ORG-DIRECTORY": {
// RFC 6715 §2.4 — directory URI for the contact's organization.
if (!card.directories) card.directories = {};
const idx = Object.keys(card.directories).length;
card.directories[`d${idx}`] = {
uri: val,
kind: "directory",
mediaType: params.MEDIATYPE || undefined,
};
break;
}
// ---- RFC 8605 (CONTACT-URI) ----
case "CONTACT-URI": {
if (!card.links) card.links = {};
const idx = Object.keys(card.links).length;
card.links[`l${idx}`] = {
uri: val,
kind: "contact",
pref,
};
break;
}
// ---- RFC 9554 vCard 4.0 extensions ----
case "CREATED":
card.created = val;
break;
case "GRAMGENDER": {
// RFC 9554 §3.4 — grammatical gender (animate/common/feminine/masculine/neuter).
if (!card.speakToAs) card.speakToAs = {};
card.speakToAs.grammaticalGender = val.toLowerCase();
break;
}
case "PRONOUNS": {
// RFC 9554 §3.5 — free-form pronouns. May appear multiple times.
if (!card.speakToAs) card.speakToAs = {};
if (!card.speakToAs.pronouns) card.speakToAs.pronouns = {};
const pkey = `p${Object.keys(card.speakToAs.pronouns).length}`;
card.speakToAs.pronouns[pkey] = {
pronouns: val,
pref,
contexts: typeToContext(params.TYPE),
};
break;
}
// Silently swallow purely structural / sync metadata properties so
// they don't appear in any catch-all default.
case "VERSION":
case "XML":
case "CLIENTPIDMAP":
case "X-ABLABEL":
break;
}
}
}
// Attach BIRTHPLACE/DEATHPLACE to the matching anniversary, creating an
// anniversary entry if no BDAY/DEATHDATE was present.
if (birthPlace || deathPlace) {
if (!card.anniversaries) card.anniversaries = {};
if (birthPlace) {
let birth = Object.values(card.anniversaries).find(a => a.kind === "birth");
if (!birth) {
card.anniversaries.a0 = { kind: "birth", date: "" };
birth = card.anniversaries.a0;
}
birth.place = { fullAddress: birthPlace };
}
if (deathPlace) {
let death = Object.values(card.anniversaries).find(a => a.kind === "death");
if (!death) {
const key = `a${Object.keys(card.anniversaries).length}`;
card.anniversaries[key] = { kind: "death", date: "" };
death = card.anniversaries[key];
}
death.place = { fullAddress: deathPlace };
}
}
const hasName = card.name && (card.name.components?.length ?? 0) > 0 || !!card.name?.full;
const hasEmail = card.emails && Object.keys(card.emails).length > 0;
if (!hasName && !hasEmail && card.kind !== "group") return null;
@@ -640,8 +897,11 @@ function generateSingleVCard(contact: ContactCard): string {
if (contact.emails) {
for (const email of Object.values(contact.emails)) {
const type = contextToType(email.contexts);
const typeParam = type ? `;TYPE=${type}` : "";
lines.push(`EMAIL${typeParam}:${email.address}`);
const params: string[] = [];
if (type) params.push(`TYPE=${type}`);
if (email.pref) params.push(`PREF=${email.pref}`);
const paramStr = params.length > 0 ? `;${params.join(";")}` : "";
lines.push(`EMAIL${paramStr}:${email.address}`);
}
}
@@ -655,8 +915,11 @@ function generateSingleVCard(contact: ContactCard): string {
if (phone.features[feat]) typeParts.push(feat.toUpperCase());
}
}
const typeParam = typeParts.length > 0 ? `;TYPE=${typeParts.join(",")}` : "";
lines.push(`TEL${typeParam}:${phone.number}`);
const params: string[] = [];
if (typeParts.length > 0) params.push(`TYPE=${typeParts.join(",")}`);
if (phone.pref) params.push(`PREF=${phone.pref}`);
const paramStr = params.length > 0 ? `;${params.join(";")}` : "";
lines.push(`TEL${paramStr}:${phone.number}`);
}
}
@@ -681,7 +944,11 @@ function generateSingleVCard(contact: ContactCard): string {
if (contact.addresses) {
for (const addr of Object.values(contact.addresses)) {
const type = contextToType(addr.contexts);
const typeParam = type ? `;TYPE=${type}` : "";
const adrParams: string[] = [];
if (type) adrParams.push(`TYPE=${type}`);
if (addr.countryCode) adrParams.push(`CC=${addr.countryCode}`);
if (addr.pref) adrParams.push(`PREF=${addr.pref}`);
const paramStr = adrParams.length > 0 ? `;${adrParams.join(";")}` : "";
let street = addr.street || "";
let locality = addr.locality || "";
let region = addr.region || "";
@@ -707,7 +974,7 @@ function generateSingleVCard(contact: ContactCard): string {
postcode,
country,
];
lines.push(`ADR${typeParam}:${parts.map(encodeValue).join(";")}`);
lines.push(`ADR${paramStr}:${parts.map(encodeValue).join(";")}`);
}
}
@@ -715,11 +982,17 @@ function generateSingleVCard(contact: ContactCard): string {
for (const ann of Object.values(contact.anniversaries)) {
const dateStr = anniversaryDateToVcardString(ann.date);
if (ann.kind === "birth") {
lines.push(`BDAY:${dateStr}`);
if (dateStr) lines.push(`BDAY:${dateStr}`);
if (ann.place?.fullAddress) {
lines.push(`BIRTHPLACE:${encodeValue(ann.place.fullAddress)}`);
}
} else if (ann.kind === "wedding") {
lines.push(`ANNIVERSARY:${dateStr}`);
if (dateStr) lines.push(`ANNIVERSARY:${dateStr}`);
} else if (ann.kind === "death") {
lines.push(`DEATHDATE:${dateStr}`);
if (dateStr) lines.push(`DEATHDATE:${dateStr}`);
if (ann.place?.fullAddress) {
lines.push(`DEATHPLACE:${encodeValue(ann.place.fullAddress)}`);
}
}
}
}
@@ -732,13 +1005,17 @@ function generateSingleVCard(contact: ContactCard): string {
if (svc.service) params.push(`X-SERVICE-TYPE=${svc.service}`);
const ctxType = contextToType(svc.contexts);
if (ctxType) params.push(`TYPE=${ctxType}`);
if (svc.pref) params.push(`PREF=${svc.pref}`);
const paramStr = params.length > 0 ? `;${params.join(";")}` : "";
lines.push(`IMPP${paramStr}:${svc.uri}`);
} else {
// Output as URL for plain web links
const type = contextToType(svc.contexts);
const typeParam = type ? `;TYPE=${type}` : "";
lines.push(`URL${typeParam}:${svc.uri}`);
const params: string[] = [];
if (type) params.push(`TYPE=${type}`);
if (svc.pref) params.push(`PREF=${svc.pref}`);
const paramStr = params.length > 0 ? `;${params.join(";")}` : "";
lines.push(`URL${paramStr}:${svc.uri}`);
}
}
}
@@ -753,8 +1030,11 @@ function generateSingleVCard(contact: ContactCard): string {
if (contact.preferredLanguages) {
for (const lang of Object.values(contact.preferredLanguages)) {
const type = contextToType(lang.contexts);
const typeParam = type ? `;TYPE=${type}` : "";
lines.push(`LANG${typeParam}:${lang.language}`);
const params: string[] = [];
if (type) params.push(`TYPE=${type}`);
if (lang.pref) params.push(`PREF=${lang.pref}`);
const paramStr = params.length > 0 ? `;${params.join(";")}` : "";
lines.push(`LANG${paramStr}:${lang.language}`);
}
}
@@ -769,8 +1049,50 @@ function generateSingleVCard(contact: ContactCard): string {
if (contact.cryptoKeys) {
for (const key of Object.values(contact.cryptoKeys)) {
const type = contextToType(key.contexts);
const typeParam = type ? `;TYPE=${type}` : "";
lines.push(`KEY${typeParam}:${key.uri}`);
const params: string[] = [];
if (type) params.push(`TYPE=${type}`);
if (key.mediaType) params.push(`MEDIATYPE=${key.mediaType}`);
const paramStr = params.length > 0 ? `;${params.join(";")}` : "";
lines.push(`KEY${paramStr}:${key.uri}`);
}
}
if (contact.personalInfo) {
// RFC 6715 — emit EXPERTISE / HOBBY / INTEREST with LEVEL.
const levelOut: Record<string, Record<string, string>> = {
expertise: { high: "expert", medium: "average", low: "beginner" },
hobby: { high: "high", medium: "medium", low: "low" },
interest: { high: "high", medium: "medium", low: "low" },
};
for (const info of Object.values(contact.personalInfo)) {
const propMap: Record<string, string> = {
expertise: "EXPERTISE", hobby: "HOBBY", interest: "INTEREST",
};
const prop = propMap[info.kind];
if (!prop) continue;
const levelParam = info.level && levelOut[info.kind]?.[info.level]
? `;LEVEL=${levelOut[info.kind][info.level]}` : "";
lines.push(`${prop}${levelParam}:${encodeValue(info.value)}`);
}
}
if (contact.directories) {
for (const dir of Object.values(contact.directories)) {
const mt = dir.mediaType ? `;MEDIATYPE=${dir.mediaType}` : "";
lines.push(`ORG-DIRECTORY${mt}:${dir.uri}`);
}
}
if (contact.links) {
// RFC 8605 CONTACT-URI for kind=contact; everything else falls back to URL.
for (const link of Object.values(contact.links)) {
const params: string[] = [];
const type = contextToType(link.contexts);
if (type) params.push(`TYPE=${type}`);
if (link.pref) params.push(`PREF=${link.pref}`);
const paramStr = params.length > 0 ? `;${params.join(";")}` : "";
const prop = link.kind === "contact" ? "CONTACT-URI" : "URL";
lines.push(`${prop}${paramStr}:${link.uri}`);
}
}
@@ -844,6 +1166,11 @@ function generateSingleVCard(contact: ContactCard): string {
lines.push(`SOURCE:${contact.source}`);
}
if (contact.created) {
// RFC 9554 §3.1 — CREATED is a timestamp; emit as-is for round-trip.
lines.push(`CREATED:${contact.created}`);
}
lines.push("END:VCARD");
return lines.join("\r\n");
}