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fix: proper support for all-day events

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This commit is contained in:
Linus Rath
2026-03-17 20:51:47 +01:00
parent 6e78f2a09e
commit a2cb2b2c86
4 changed files with 87 additions and 14 deletions
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lib/jmap/client.ts
+20 -9
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@@ -1490,6 +1490,7 @@ export class JMAPClient {
dtStart?: string;
dtEnd?: string;
timeZone?: string;
isAllDay?: boolean;
sequence?: number;
status: 'ACCEPTED' | 'TENTATIVE' | 'DECLINED';
identityId?: string;
@@ -1542,20 +1543,30 @@ export class JMAPClient {
`DTSTAMP:${now}`,
];
if (opts.dtStart) {
const formatted = formatIcalDate(opts.dtStart, opts.timeZone);
// If TZID is included, it's a parameter on the property
if (formatted.startsWith('TZID=')) {
lines.push(`DTSTART;${formatted}`);
if (opts.isAllDay) {
// RFC 5545 §3.3.4: all-day events use VALUE=DATE (date-only, no time)
const dateOnly = opts.dtStart.replace(/[-]/g, '').substring(0, 8);
lines.push(`DTSTART;VALUE=DATE:${dateOnly}`);
} else {
lines.push(`DTSTART:${formatted}`);
const formatted = formatIcalDate(opts.dtStart, opts.timeZone);
if (formatted.startsWith('TZID=')) {
lines.push(`DTSTART;${formatted}`);
} else {
lines.push(`DTSTART:${formatted}`);
}
}
}
if (opts.dtEnd) {
const formatted = formatIcalDate(opts.dtEnd, opts.timeZone);
if (formatted.startsWith('TZID=')) {
lines.push(`DTEND;${formatted}`);
if (opts.isAllDay) {
const dateOnly = opts.dtEnd.replace(/[-]/g, '').substring(0, 8);
lines.push(`DTEND;VALUE=DATE:${dateOnly}`);
} else {
lines.push(`DTEND:${formatted}`);
const formatted = formatIcalDate(opts.dtEnd, opts.timeZone);
if (formatted.startsWith('TZID=')) {
lines.push(`DTEND;${formatted}`);
} else {
lines.push(`DTEND:${formatted}`);
}
}
}
if (opts.summary) {