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Defer mounting Search filter dropdown content until opened #96287

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Defer mounting Search filter dropdown content until opened #96287

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c05319c
Defer mounting Search filter dropdown content until opened
TMisiukiewicz Jul 16, 2026
fd8f812
Preserve hook order by deferring mounted subtree, not the popover call
TMisiukiewicz Jul 16, 2026
64d270a
Latch hasEverExpanded on actual open, batched with toggle
TMisiukiewicz Jul 16, 2026
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7 changes: 6 additions & 1 deletion src/components/Search/FilterDropdowns/FilterPopupButton.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -65,6 +65,10 @@ function FilterPopupButton({viewportOffsetTop, popoverWidth, wrapperStyle, popov
const triggerRef = useRef<View | null>(null);
const anchorRef = useRef<View | null>(null);
const [isOverlayVisible, setIsOverlayVisible] = useState(false);
// Defer mounting the (potentially heavy) popover content until the dropdown is first opened, then keep it
// mounted so the close animation and reopening stay instant. The content is otherwise mounted eagerly on
// screen focus even while hidden, which runs each filter selector's expensive option-building on page load.
const [hasEverExpanded, setHasEverExpanded] = useState(false);
const [customPopoverWidth, setCustomPopoverWidth] = useState<number | undefined>(undefined);
const {calculatePopoverPosition} = usePopoverPosition();

Expand All @@ -88,6 +92,7 @@ function FilterPopupButton({viewportOffsetTop, popoverWidth, wrapperStyle, popov
};

const calculatePopoverPositionAndToggleOverlay = () => {
setHasEverExpanded(true);
calculatePopoverPosition(anchorRef, popoverAnchorAlignment).then((position) => {
setPopoverTriggerPosition({...position, vertical: position.vertical});
toggleOverlay();
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Expand All @@ -97,7 +102,7 @@ function FilterPopupButton({viewportOffsetTop, popoverWidth, wrapperStyle, popov
const actualPopoverWidth = customPopoverWidth ?? popoverWidth ?? CONST.POPOVER_DROPDOWN_WIDTH;
const containerStyles = isSmallScreenWidth ? styles.w100 : {width: actualPopoverWidth};

const popoverContent = PopoverComponent({closeOverlay: toggleOverlay, isExpanded: isOverlayVisible, setPopoverWidth: setCustomPopoverWidth});
const popoverContent = hasEverExpanded ? PopoverComponent({closeOverlay: toggleOverlay, isExpanded: isOverlayVisible, setPopoverWidth: setCustomPopoverWidth}) : null;
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return (
<View
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