Checking Packages

Runtime type-checking for JavaScript.

JavaScript Object Filter. Deep filtering key/content recursively. Support type checking, wildcard, nested, and filter function in template.

Simple yet powerful permission manager for javascript applications.

Validation package for the state object in React

Official plugins for Resourceful Redux

Optionally load AMD dependencies. Useful for plugin authors extending/joining 3rd party libraries.

The package contains helper methods for checking type of parameters in Node.js projects

Checking domain names availability

Defensive programming framework for TypeScript and JavaScript

Function takes array and triggers error if not all items in it are arrays

JavaScript automatic runtime type safety and functional polymorphism

Basic persistence capabilities for the data object.

Fully validate an email address's syntactic correctness and existence as a real email address that will not bounce. Basic RFC validation also available.

Get type from given argument

A library for checking types and statuses

Find, Diagnose and fix problems in your JavaScript code.

A simple library for detecting if a user is using a mobile browser

Function argument validation for humans

Simple options manager for JavaScript libraries. Handles type checking, default values assignation and throws generated usage on errors.