remove zulu timezone string in case TZID is added (conforms to RFC5545).

jens-maus · Nov 1, 2024 · 8614154 · 8614154
1 parent 0187b97
commit 8614154
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Showing 3 changed files with 57 additions and 55 deletions.
diff --git a/ical.js b/ical.js
@@ -622,10 +622,11 @@ module.exports = {
               if (curr.start.tz) {
                 const tz = getTimeZone(curr.start.tz);
                 // If a timezone is provided, rrule requires the time to be local
+                // but without Z suffix (cf. RFC5545, 3.3.5)
                 const adjustedTimeString = curr.start
-                  .toLocaleString('sv', {timeZone: tz})
+                  .toLocaleString('sv-SE', {timeZone: tz}) // 'sv-SE' outputs 'YYYY-MM-DD' date format
                   .replace(/ /g, 'T')
-                  .replace(/[-:]/g, '');
+                  .replace(/[-:Z]/g, '');
                 rule += `;DTSTART;TZID=${tz}:${adjustedTimeString}`;
               } else {
                 rule += `;DTSTART=${curr.start.toISOString().replace(/[-:]/g, '')}`;

diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "node-ical",
-  "version": "0.20.0",
+  "version": "0.20.1",
   "main": "node-ical.js",
   "types": "node-ical.d.ts",
   "description": "NodeJS class for parsing iCalendar/ICS files",