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Fix calendar not resizing when sidebar collapses

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Use ResizeObserver on the calendar container to call
FullCalendar.updateSize() when the sidebar transition
changes the available width.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Kyle 2026-02-22 01:39:23 +08:00
parent c62f8bc2a2
commit f66ffba0ef
1 changed files with 14 additions and 2 deletions
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16
frontend/src/components/calendar/CalendarPage.tsx
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@ -1,4 +1,4 @@
import { useState, useRef, useMemo } from 'react';
import { useState, useRef, useEffect, useMemo } from 'react';
import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
import { toast } from 'sonner';
import FullCalendar from '@fullcalendar/react';
@ -51,6 +51,18 @@ export default function CalendarPage() {
const { settings } = useSettings();
const { data: calendars = [] } = useCalendars();
const calendarContainerRef = useRef<HTMLDivElement>(null);
// Resize FullCalendar when container size changes (e.g. sidebar collapse)
useEffect(() => {
const el = calendarContainerRef.current;
if (!el) return;
const observer = new ResizeObserver(() => {
calendarRef.current?.getApi().updateSize();
});
observer.observe(el);
return () => observer.disconnect();
}, []);
const { data: events = [] } = useQuery({
queryKey: ['calendar-events'],
@ -270,7 +282,7 @@ export default function CalendarPage() {
<div className="flex h-full overflow-hidden">
<CalendarSidebar />
<div className="flex-1 flex flex-col overflow-hidden">
<div ref={calendarContainerRef} className="flex-1 flex flex-col overflow-hidden">
{/* Custom toolbar — h-16 matches sidebar header */}
<div className="border-b bg-card px-6 h-16 flex items-center gap-4 shrink-0">
<div className="flex items-center gap-1">