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found 2,162 packages in 28ms

chai99.8mMIT6.0.1

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

chaijs16 days agotest, assertion, assert, testing

mocha50.4mMIT11.7.2

simple, flexible, fun test framework

mochajs6 days agomocha, test, bdd, tdd

Type check values

sindresorhus3 months agotype, types, is, check

ts-invariant22.2mMIT0.10.3

TypeScript implementation of invariant(condition, message)

apollographqlover 3 years agoinvariant, assertion, precondition, TypeScript

Error constructor for test and validation frameworks that implements standardized AssertionError specification.

chaijsover 1 year agotest, assertion, assertion-error

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.