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Fix Firefox DatePicker popup positioning at top-left

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When Firefox input variant falls through to button variant, the
positioning logic, close handler, and click-outside handler still
checked variant==='input' and used wrapperRef (which is unattached).
Introduced usesNativeInput flag (input variant + not Firefox) so all
three handlers correctly use triggerRef for Firefox fallback.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Kyle 2026-03-03 15:56:05 +08:00
parent e7979afba3
commit 63b3a3a073
1 changed files with 9 additions and 7 deletions
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16
frontend/src/components/ui/date-picker.tsx
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@ -144,8 +144,10 @@ const DatePicker = React.forwardRef<HTMLButtonElement, DatePickerProps>(
}, [value, open]);
// Position popup
// Firefox + input variant falls through to button variant, so use triggerRef
const usesNativeInput = variant === 'input' && !isFirefox;
const updatePosition = React.useCallback(() => {
const el = variant === 'input' ? wrapperRef.current : triggerRef.current;
const el = usesNativeInput ? wrapperRef.current : triggerRef.current;
if (!el) return;
const rect = el.getBoundingClientRect();
const popupHeight = mode === 'datetime' ? 370 : 320;
@ -156,7 +158,7 @@ const DatePicker = React.forwardRef<HTMLButtonElement, DatePickerProps>(
top: flipped ? rect.top - popupHeight - 4 : rect.bottom + 4,
left: Math.min(rect.left, window.innerWidth - 290),
});
}, [mode, variant]);
}, [mode, usesNativeInput]);
React.useEffect(() => {
if (!open) return;
@ -172,13 +174,13 @@ const DatePicker = React.forwardRef<HTMLButtonElement, DatePickerProps>(
const closePopup = React.useCallback(
(refocusTrigger = true) => {
setOpen(false);
if (variant === 'button') {
if (!usesNativeInput) {
onBlur?.();
} else if (refocusTrigger) {
setTimeout(() => inputElRef.current?.focus(), 0);
}
},
[variant, onBlur]
[usesNativeInput, onBlur]
);
// Dismiss on click outside
@ -186,13 +188,13 @@ const DatePicker = React.forwardRef<HTMLButtonElement, DatePickerProps>(
if (!open) return;
const handler = (e: MouseEvent) => {
if (popupRef.current?.contains(e.target as Node)) return;
if (variant === 'button' && triggerRef.current?.contains(e.target as Node)) return;
if (variant === 'input' && wrapperRef.current?.contains(e.target as Node)) return;
if (!usesNativeInput && triggerRef.current?.contains(e.target as Node)) return;
if (usesNativeInput && wrapperRef.current?.contains(e.target as Node)) return;
closePopup(false);
};
document.addEventListener('mousedown', handler);
return () => document.removeEventListener('mousedown', handler);
}, [open, variant, closePopup]);
}, [open, usesNativeInput, closePopup]);
// Dismiss on Escape
React.useEffect(() => {