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bug: React: Types for callback of trpc.useQueries doesn't allow returning an empty array #6188

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SimonSimCity opened this issue Nov 4, 2024 · 0 comments
Open
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bug: React: Types for callback of trpc.useQueries doesn't allow returning an empty array #6188

SimonSimCity opened this issue Nov 4, 2024 · 0 comments
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🐛 bug: unconfirmed

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@SimonSimCity
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SimonSimCity commented Nov 4, 2024 •
edited by polar-sh bot
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Provide environment information

  System:
    OS: macOS 14.4.1
    CPU: (8) arm64 Apple M1
    Memory: 62.41 MB / 16.00 GB
    Shell: 5.9 - /bin/zsh
  Binaries:
    Node: 20.10.0 - ~/.nvm/versions/node/v20.10.0/bin/node
    npm: 10.2.3 - ~/.nvm/versions/node/v20.10.0/bin/npm
    pnpm: 9.12.2 - ~/.nvm/versions/node/v20.10.0/bin/pnpm
  Browsers:
    Chrome: 130.0.6723.92
    Safari: 17.4.1
  npmPackages:
    @tanstack/react-query: ^5.59.19 => 5.59.19 
    @trpc/client: 11.0.0-rc.608 => 11.0.0-rc.608+f75de97b3 
    @trpc/react-query: 11.0.0-rc.608 => 11.0.0-rc.608+f75de97b3 
    react: ^18.3.1 => 18.3.1 
    typescript: ^5.6.3 => 5.6.3

Describe the bug

I have a query which I just want to run in a certain condition (if another query had a non-empty result). I was trying to follow the docs (see https://trpc.io/docs/client/react/useQueries in conjunction with https://tanstack.com/query/v4/docs/framework/react/guides/dependent-queries#usequeries-dependent-query) but I could not get my code snippet to compile.

Link to reproduction

https://stackblitz.com/edit/github-qa2kdy?file=src%2Fpages%2Findex.tsx

To reproduce

Change the text in the variable text in line 10 of the index.tsx, and you'll see the error appear. To me the error only appeared after changing the text.

Additional information

Here's the typescript error I get on the callback:

Argument of type '(t: UseQueriesProcedureRecord<{ ctx: object; meta: object; errorShape: DefaultErrorShape; transformer: false; }, { greeting: QueryProcedure<{ input: { name?: string | null | undefined; }; output: { text: string; }; }>; }>) => [] | [...]' is not assignable to parameter of type '(t: UseQueriesProcedureRecord<{ ctx: object; meta: object; errorShape: DefaultErrorShape; transformer: false; }, { greeting: QueryProcedure<{ input: { name?: string | null | undefined; }; output: { text: string; }; }>; }>) => readonly []'.
  Type '[] | [TrpcQueryOptionsForUseQueries<{ text: string; }, { text: string; }, TRPCClientError<{ ctx: object; meta: object; errorShape: DefaultErrorShape; transformer: false; }>>]' is not assignable to type 'readonly []'.
    Type '[TrpcQueryOptionsForUseQueries<{ text: string; }, { text: string; }, TRPCClientError<{ ctx: object; meta: object; errorShape: DefaultErrorShape; transformer: false; }>>]' is not assignable to type 'readonly []'.
      Source has 1 element(s) but target allows only 0.(2345)

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@SimonSimCity