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Add missing ListItemComponent prop to VirtualizedList/FlatList/SectionList TypeScript types - #57754

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aravi365:add-listitemcomponent-type
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Add missing ListItemComponent prop to VirtualizedList/FlatList/SectionList TypeScript types#57754
aravi365 wants to merge 1 commit into
react:mainfrom
aravi365:add-listitemcomponent-type

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@aravi365

@aravi365 aravi365 commented Jul 29, 2026

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Summary

ListItemComponent is a valid prop on FlatList, SectionList and VirtualizedList (it's in the Flow types in VirtualizedListProps.js), but it's missing from the .d.ts, so TypeScript errors on it even though it works at runtime.

Added it to VirtualizedListWithoutRenderItemProps next to the other List*Component props, so all three inherit it.

Changelog:

[GENERAL] [ADDED] - Add missing ListItemComponent type to VirtualizedList props

Test Plan

Errors on main, type-checks with the change:

<FlatList data={[]} ListItemComponent={MyItem} />

Type-only, addition only, no runtime changes.

ListItemComponent is a documented, public prop of VirtualizedList (and
thus FlatList and SectionList) in the Flow source, but was missing from
the hand-written TypeScript definitions, causing a type error when used.
@meta-cla meta-cla Bot added the CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. label Jul 29, 2026
@facebook-github-tools facebook-github-tools Bot added the Shared with Meta Applied via automation to indicate that an Issue or Pull Request has been shared with the team. label Jul 29, 2026
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meta-codesync Bot commented Jul 29, 2026

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@fabriziocucci has imported this pull request. If you are a Meta employee, you can view this in D114061127.

@meta-codesync meta-codesync Bot closed this in 5306e92 Jul 30, 2026
@meta-codesync meta-codesync Bot added the Merged This PR has been merged. label Jul 30, 2026
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meta-codesync Bot commented Jul 30, 2026

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@fabriziocucci merged this pull request in 5306e92.

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