zod
TypeScript-first schema declaration and validation library with static type inference
type
Runtime validation and processing of JavaScript types
is-accessor-descriptor
Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.
is-data-descriptor
Returns true if a value has the characteristics of a valid JavaScript data descriptor.
type-check
type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.