Fix: Expand recurrences from event start but filter to last 7 days and iterate to 0.3.28

icalendar.ts

@@ -3,7 +3,7 @@ import { convertIcsCalendar } from "https://esm.sh/ts-ics@2.4.0";
 import { RRule, RRuleSet } from "rrule";
 import { getUtcOffsetMs, resolveIanaName } from "./timezones.ts";
 
-const VERSION = "0.3.27";
+const VERSION = "0.3.28";
 const CACHE_KEY = "icalendar:lastSync";
 
 console.log(`[iCalendar] Plug script executing at top level (Version ${VERSION})`);
@@ -176,24 +176,25 @@ export function expandRecurrences(icsEvent: any, windowDays = 365): any[] {
     }
 
     const now = new Date();
-    // Start the window 7 days ago to catch recent past events
-    const windowStart = new Date(now.getTime() - 7 * 86400000);
+    // Start our visible window 7 days ago to catch recent past events
+    const filterStart = new Date(now.getTime() - 7 * 86400000);
     const windowEnd = new Date(now.getTime() + windowDays * 86400000);
     
-    // Expand from the start of our window
-    const occurrences = set.between(windowStart, windowEnd, true);
+    // Expand from the event's actual start date to ensure all recurrences are calculated correctly
+    // but only take occurrences between (now - 7 days) and (now + windowDays)
+    const occurrences = set.between(dtstart, windowEnd, true);
     
-    if (occurrences.length === 0) return [icsEvent];
-
-    return occurrences.map(occurrenceDate => {
-        const localIso = localDateString(occurrenceDate);
-        return {
-            ...icsEvent,
-            start: localIso,
-            recurrent: true,
-            rrule: undefined,
-        };
-    });
+    return occurrences
+        .filter(occurrenceDate => occurrenceDate >= filterStart)
+        .map(occurrenceDate => {
+            const localIso = localDateString(occurrenceDate);
+            return {
+                ...icsEvent,
+                start: localIso,
+                recurrent: true,
+                rrule: undefined,
+            };
+        });
   } catch (err) {
     console.error(`[iCalendar] Error expanding recurrence for ${icsEvent.summary}:`, err);
     return [icsEvent];