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Include Value.Errors array on thrown errors #776

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aleclarson opened this issue Mar 8, 2024 · 2 comments
Closed

Include Value.Errors array on thrown errors #776

aleclarson opened this issue Mar 8, 2024 · 2 comments

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@aleclarson
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When an error is thrown by Value.Encode or Value.Decode, the TypeBoxError should have the validation issues attached to it.

@aleclarson
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Oh, what do ya know... it is already! Just use error.error to access it.

@aleclarson
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I guess the only issue is that it's not exposed to TypeScript anywhere.

Here's a little hack I'm using (warning: potentially fragile):

import {
  TransformDecodeCheckError,
  TransformEncodeCheckError,
} from '@sinclair/typebox/build/require/value'


export const isTypeError = (
  error: any
): error is TransformEncodeCheckError | TransformDecodeCheckError =>
  error.constructor.name.endsWith('CheckError')

// Example
if (isTypeError(e)) {
  console.log(e.error) // ✔️
}

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