commit 3de3cef9f72ed7ecc4bf389896078e85ec5a23ae · kitten.sh/urql

+12

.changeset/dry-islands-double.md

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       ---

     

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       '@urql/core': patch

     

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       ---

     

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       Fix generated empty `Variables` type as passed to generics, that outputs a type of `{ [var: string]: never; }`.

     

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       A legacy/unsupported version of `typescript-urql`, which wraps `urql`'s React hooks, generates

     

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       empty variables types as the following code snippet, which is not detected:

     

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       ```ts

     

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       type Exact<T extends { [key: string]: unknown }> = { [K in keyof T]: T[K] };

     

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       type Variables = Exact<{ [key: string]: never }>;

     

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       ```

+8 -2

packages/core/src/types.ts

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             : Variables extends {

     

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                 [P in keyof Variables]: Exclude<Variables[P], null | void>;

     

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               }

     

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       -
             ? {

     

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                 variables: Variables;

     

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               }

     

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             : {

     

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                 variables?: Variables;

     

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               }))

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             : Variables extends {

     

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                 [P in keyof Variables]: Exclude<Variables[P], null | void>;

     

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               }

     

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             ? Variables extends {

     

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                 [P in keyof Variables]: never;

     

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               }

     

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               ? {

     

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                   variables?: Variables;

     

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                 }

     

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               : {

     

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                   variables: Variables;

     

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                 }

     

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             : {

     

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                 variables?: Variables;

     

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               }))