Comments (4)
I second that. Infer<> does not generate the optional parameters so the following code results an error:
const person = object({
name: string().or(optional()),
age: number().or(optional()),
});
type Person = Infer<typeof person>;
function updatePerson(personData: Person = {}) { ... }
It would be great to get it fixed.
from banditypes.
Ouch, looks like superstruct typetest suite has failed me:
banditypes/tests/typings/optional.ts
Lines 6 to 12 in 0b992f7
The inferred type is assignable to the target one, but they're not equal.
from banditypes.
If you want a better test you can add this "exactOptionalPropertyTypes": true
and write the test like this:
test<{
a?: number
b: string
}>(object({
a: number().or(optional()),
b: string(),
}))
which typescript complain without a proper fix for the optional on object
from banditypes.
Fixed in 0.2.3
I also updated the typetest suite for strict checks, and opened an issue in superstruct in case they'd like to avoid problems like these.
from banditypes.
Related Issues (8)
- docs: add minor note on the future of this lib HOT 2
- Breaking bug in 0.2.4 introduce by required in object HOT 3
- Function fail throw an error HOT 3
- [Feature] Input & output type infer HOT 2
- [Discussion] Object processing HOT 1
- [Bug] Schema for optional object properties with TS-first definition must be rquired
- [Bug] TS-first schemas allow stricter-than-needed checks HOT 2
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