T
TanStack•3mo ago
other-emerald

access 'previous' state of search params?

i'm trying to create a util roughly like 
  function withPreviousSearch(fn: (prev: <existing params for the route>) => <search key i'm updating>) {
    void navigate({
      search: (prev) => ({
        ...prev,
        filters: { ...prev.filters, ...search },
      }),
    });
  }
  function withPreviousSearch(fn: (prev: <existing params for the route>) => <search key i'm updating>) {
    void navigate({
      search: (prev) => ({
        ...prev,
        filters: { ...prev.filters, ...search },
      }),
    });
  }
i just can't get a proper type for the withPreviousSearch. ReturnType<typeof Route.useSearch> returns any
2 Replies
other-emerald
other-emerald•3mo ago
this might help https://tanstack.com/router/latest/docs/framework/react/guide/type-utilities#type-checking-navigate-options-with-validatenavigateoptions
Type Utilities | TanStack Router React Docs
Most types exposed by TanStack Router are internal, subject to breaking changes and not always easy to use. That is why TanStack Router has a subset of exposed types focused on ease of use with the in...
other-emerald
other-emeraldOP•3mo ago
this could possibly work, thank you

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