Important: This documentation covers Yarn 1 (Classic).

For Yarn 2+ docs and migration guide, see yarnpkg.com.

found 110 packages in 21ms

expect-type28.1mApache-2.01.2.1

npm [![X (formerly Twitter) Follow](https://img.shields.io/twitte

mmkal3 months agotypescript, type-check, assert, types

is-what40mMIT5.2.1

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

mesqueeb3 months agojavascript, typescript, typechecker, check-type

check-types18.6mMIT11.2.3

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

philboothalmost 2 years agotype, types, type-check, type-checking

type-plus124.8kMIT7.6.2

Provides additional types for TypeScript.

unional4 months agoassert, test, testing, type-check

typechecker851.6kArtistic-2.09.3.0

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

bevryover 1 year agoarray, assert, assertion, async

Packages

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.