Table of Contents

Method KeepPreviousData

Namespace
Velvet
Assembly
Velvet.Docs.dll

KeepPreviousData<T>(T?, QueryInfo?)

TanStack Query's keepPreviousData: the data of the last entry this component read that had some, so a component changing its key keeps showing the old key's data until the new key's lands. Pass it as PlaceholderData = QueryPlaceholder.KeepPreviousData.

public static QueryPlaceholder<T> KeepPreviousData<T>(T? previousData, QueryInfo? previousQuery)

Parameters

previousData T

That entry's data.

previousQuery QueryInfo?

That entry; null when there is no such entry.

Returns

QueryPlaceholder<T>

The previous data, or no data when there is none.

Type Parameters

T