runtime-types
Use flow type information at runtime. Useful for validations, mapping to an ORM, and more.
Use flow type information at runtime. Useful for validations, mapping to an ORM, and more.
Super lightweight JavaScript typecheck library
typeof alternative
Type Definitions
JavaScript automatic runtime type safety and functional polymorphism
Typecheck functionguards for function arguments and (nested) objects when it matters (REST payloads etc)
Define your GraphQL schemas with confidence that your values are correct.
Fast light weight inferred static type checker in real time for JavaScript.
Check native type of value and throw AssertionError if not okey. Clean stack traces. Simplicity. Built on [is-kindof][].
ES7 or ESNext Decorator for TypeScript like typechecking on class methods.
The fastest JavaScript type checker for V8
A TypeScript native plugin to run type-check on Vue SFC(Single File Component).
A tool that generates a TypeScript file from your Jison grammar's semantic actions so you can typecheck those semantic actions.
Easily create custom commandline interfaces.
Dynamic typecheck helper
A more precise [ESTree](https://github.com/estree/estree) type with support for generic annotations.
Enapso Smart Arguments Processing
JavaScript automatic runtime type safety and functional polymorphism
TypeScript Schema Objects: a library for runtime representations of TypeScript types.
A single function for typechecks at runtime