For use with React PropTypes. Will error on any prop not explicitly specified.

A function to check whether a prop is valid for HTML and SVG elements

Does a JS type have a property

Does a JS type's prototype have a property

A safer `.hasOwnProperty()`

Does a JS type have a getter/setter property

An optimised way to copy'ing an object. A small and simple integration

validates style objects by ensuring they only have valid keys

React Prop Types DOI Validator

React PropType Utilities

Universal Children Definition for React Components

React proptype utility library

Delete nested properties from an object using dot notation.

Wrap your prop type validation to expose .isRequired function

Another biased type checking solution for Javascript

Traverse JSON Schema passing each schema object to callback

Additional PropTypes for React

Define a non-enumerable read-only property.

TypeScript definitions for @styled-system/should-forward-prop

Define (or modify) an object property.