add custom error message on nativeEnum validation

[fernandollisboa]

Resolves #2919

Return invalid_type_error on nativeEnum validations instead of Invalid enum value when the attribute is set.

const schema = z.nativeEnum({ MY_ENUM: "MY_ENUM" }, {
  invalid_type_error: "the value provided is invalid",
})

console.log("result", schema.parse("AAA"));
// returns error "the value provided is invalid"

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[scarabcoder]

Is there an update on this? Currently working with a list of US States as a native enum, having Zod throw out an error "Invalid string, expected one of <list of all 50 states>" doesn't make for the greatest user experience.

[fernandollisboa]

@scarabcoder i believe they're working on a fix to be released on Zod 4: https://github.com/colinhacks/zod/issues/3146#issuecomment-1995968936

[colinhacks]

My preferred solution here is the one that landed in #3169, which will land in Zod 3.23 shortly.

This is all liable to change in Zod 4 as well.