Type-check Packages

Check if a value is a VFileMessage object

Node utility librairies

Command line scaffolding tool for react apps

A runtime type-checking library for javascript

✅ Runtime type checking for production

how to typeof easily

A little library for asserting types and values.

Concise and expressive runtime type checking.

A little javascript library for checking argument values

ESNext type checker.

A small package for checking if a value is a certain type.

Easy to check type for json api response.

When JavaScript developers who do not prefer TypeScript need type coercion

Protect your typescript/javascript projects from unnecessary if/else branches to check null/undefined values

A complementary TypeScript Language Service Plugin for the loose-ts-check tool.

A lightweight JavaScript library to validate Solidity data types like int, uint, bytes, and Ethereum-specific types such as addresses and transaction hashes.

A collection of "is"-style helpers to help solidify if something "is" something else. Has no dependencies and uses only raw JavaScript methodology.

Type-checking support.

Simple, strict, extensible runtime type checker for JavaScript

runtime tests for types