Typechecker Packages

JS type check (TypeScript supported) functions like `isPlainObject() isArray()` etc. A simple & small integration.

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

Relationship type checker functions for Typescript types.

A tiny type checker

Utility that allows to check that an object validates a predefined contract

ES6 Javascript Typecheck Library

Minimalist JS data type checking utility.

This is for generating the rescript project template/starter code.

Check a JavaScript object against a JSON schema, with a single function call

Simple, Lightweight type checking of multiple arguments

Small utility to check variable types

JavaScript library to check data types

Throws Error when data fails to meet params.

Cure for being paranoia about parameters which are coming in every single wrong way to our functions.

Utilities library for type checking and other useful things. Already more than 35 functions. Each function returns false or true, that's it. Perfect for front and back ends.

ESNext type checker.

Static analysis and compiler framework for TypeScript types

a utility type checker for javascript.

Check your types at runtime with ESNext syntax by meta programing in node.js and browser with interfaces, strict object and more.

Check if a value is property accessible