Extendable Packages

Returns true if a value is a plain object, array or function.

Extend constructors using backbone's .extend signature

Simple module that allows native Error objects to be extended

Simple module that allows native Error objects to be extended

Full-featured [koa][] body parser! Support parsing text, buffer, json, json patch, json api, csp-report, multipart, form and urlencoded bodies. Works for koa@1, koa@2 and will work for koa@3.

Safely and simply extend native Error with prototype chaining support

An accessible vanilla JS accordion with extensible API.

A simple unopinionated framework to implement simple modal based behaviour in angular (v2+) projects.

A small tool to write command line application that suits my needs

Wraps around Immutable.js to turn it inheritable

React components with highly customizable logic, markup and styles.

Library for JavaScript Object validation

Create extendable, loopable, and reusable design patterns for flows.

Easily validate deep form structures using both premade and custom validation rules.

Extendable Error Class for use with Node >= 4.x

A pure, extendable, very useful validator base Promise and Decorator

Generate complex, validated and extendable JSON-based forms in React

Generate complex, validated and extendable JSON-based forms in React

Hook based extendable minimal state manager for React.

Generate complex, validated and extendable JSON-based forms in React