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

found 192 packages in 25ms

is-what44.6mMIT5.5.0

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

mesqueeb19 days agojavascript, typescript, typechecker, check-type

Large collection of predicates.

kenshoover 3 years agocheck-types, checks, duck-typing, type-checking

check-types20mMIT11.2.3

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

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

Blazing fast input validation and transformation ⚡

sapphiredev6 days ago@sapphire/shapeshift, shapeshift, bot, typescript

typechecker1mArtistic-2.09.3.0

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

bevryalmost 2 years 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.