fix(node): Fix tRPC middleware typing #9540
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mydea
reviewed
Nov 13, 2023
| captureError(e); | ||
| } | ||
| } | ||
| let maybePromiseResult; |
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not directly related and nothing to do, but I feel like we've written this or very similar code a lot of times by now, maybe we can find a way to extract this into some util function that we can reuse 🤔
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Yeah agreed. It's like a promise aware try catch. Would definitely make sense to extract!
mydea
reviewed
Nov 13, 2023
| interface TrpcMiddlewareArguments<T> { | ||
| path: string; | ||
| type: 'query' | 'mutation' | 'subscription'; | ||
| type: string; |
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Are we broading this on purpose here (just checking)
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Yes, we are not depending on any of the direct strings here (just dumping what's in type onto the event) and I figured that if trpc adds more types we will break typing again.
mydea
approved these changes
Nov 14, 2023
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Fixes #9536
The issue was that the middleware returned a function that returned
Promise<Promise<T>>instead ofPromise<T>. To fix this we take care not to modify the return value at all and just return T.We could have also casted to
anyI think but this is probably cleaner.