found 869 packages in 32ms

prop-types150.6mMIT15.8.1

Runtime type checking for React props and similar objects.

facebookalmost 2 years agoreact

ast-types118.4mMIT0.14.2

Esprima-compatible implementation of the Mozilla JS Parser API

benjamnabout 2 years agotype checking, ast, abstract syntax tree, hierarchy

is-what41.1mMIT5.2.1

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

mesqueeb4 months agotype-checking, javascript, typescript, typechecker

typical27.9mMIT7.3.0

Isomorphic, functional type-checking for Javascript

75lb8 months agotype, checking, check, value

Large collection of predicates.

kenshoabout 3 years agotype-checking, check-types, checks, duck-typing

包

Lightweight debugging utility for Node.js and the browser

Lodash modular utilities.

React is a JavaScript library for building user interfaces.

A querystring parser that supports nesting and arrays, with a depth limit

Higher-order functions and common patterns for asynchronous code

Babel compiler core.