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abdel avatar abdel commented on July 20, 2024

This also appears to affect Unions as well, following on from your example:

// Discriminated Union example

const A = Type.Object({
	a: Type.String(),
	b: Type.Optional(Type.Never()),
	
	c: Type.Number()
});

const B = Type.Object({
	a: Type.Optional(Type.Never()),
	b: Type.String(),
	
	c: Type.Number()
});

const C = Type.Union([A, B]);

In version 0.30, running Value.Errors on A, B and C gives the following:

# Value.Errors(A, {})
> /a: Expected string
> /c: Expected number
> /a: Expected required property
> /c: Expected required property

# Value.Errors(B, {})
> /b: Expected string
> /c: Expected number
> /b: Expected required property
> /c: Expected required property

# Value.Errors(C, {})
> : Expected value of union
> /a: Expected string
> /c: Expected number
> /a: Expected required property
> /c: Expected required property
> /b: Expected string
> /c: Expected number
> /b: Expected required property
> /c: Expected required property

In version 0.31 onwards, it instead gives the following output where the errors are no longer propagating:

# Value.Errors(A, {})
> /a: Required property
> /c: Required property
> /a: Expected string
> /c: Expected number

# Value.Errors(B, {})
> /b: Required property
> /c: Required property
> /b: Expected string
> /c: Expected number

# Value.Errors(C, {})
> : Expected union value

from typebox.

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