arktype
2.2.9 · 20 Oct 2026MIT3.4M / weekRepositoryHomepagenpmAtom feed
Your version
2.2.9 is the newest release of 2.x.
Release note
The section about arktype of a note shared by several packages.
duplicate key errors
Definitions like the following now throw a descriptive error:
const T = type({
foo: "string",
foo?: "string"
})