Type-checking Packages

A little library for asserting types and values, with zero dependencies.

Large collection of predicates.

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)

Runtime type-checking for JavaScript.

Build functions in standardized containers.

A tiny type checker

Babel plugin for static and runtime type checking using Flow and tcomb

Strong Dynamically Typed Object Modeling for JavaScript

Pass in `arguments` and an array of the expected types (as string descriptions) and throw if they don't match.

Yet Another Type Checker for JavaScript

An approach to type Redux actions and their payload and statically type checking them in Typescript

Utility for resolving and making values types safe

Closure Node Package Checker, a type-checker for NodeJS programs

Runtime type checking for variable and similar objects.

Babel plugin for runtime type-checking in JavaScript

Type validation in runtime

Declarative static and runtime type checking with Flow

A simple tool for validation and type checking of variables in JavaScript

Functions that check if argument is integer or float