❤
npm
Sign UpSign In

Search results

1000+ packages found

Sort by: Default
  • Default
  • Most downloaded this week
  • Most downloaded this month
  • Most dependents
  • Recently published

@sindresorhus/is

Type check values

sindresorhus
published version 7.0.2, a month ago328 dependents licensed under $MIT
114,619,611

assertion-error

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

chaijs
published version 2.0.1, 2 years ago376 dependents licensed under $MIT
103,326,475

chai

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

chaijs
published version 5.2.1, 10 days ago10367 dependents licensed under $MIT
109,955,926

mocha

simple, flexible, fun test framework

voxpelli
published version 11.7.1, 24 days ago11075 dependents licensed under $MIT
63,834,429

ts-invariant

TypeScript implementation of invariant(condition, message)

benjamn
published version 0.10.3, 3 years ago241 dependents licensed under $MIT
23,212,837

lazy-ass

Lazy assertions without performance penalty

bahmutov
published version 2.0.3, 4 years ago209 dependents licensed under $MIT
31,118,583

is-lite

A tiny javascript type testing tool

gilbarbara
published version 1.2.1, 2 years ago66 dependents licensed under $MIT
3,494,321

ow

Function argument validation for humans

sindresorhus
published version 2.0.0, a year ago487 dependents licensed under $MIT
4,803,551

ava

Node.js test runner that lets you develop with confidence.

novemberborn
published version 6.4.1, 6 days ago499 dependents licensed under $MIT
3,196,531

@stdlib/assert-has-own-property

Test if an object has a specified property.

stdlib-bot
published version 0.2.2, a year ago411 dependents licensed under $Apache-2.0
1,843,296

@stdlib/assert-is-array

Test if a value is an array.

stdlib-bot
published version 0.2.2, a year ago51 dependents licensed under $Apache-2.0
1,775,578

@stdlib/assert-is-regexp

Test if a value is a regular expression.

stdlib-bot
published version 0.2.2, a year ago6 dependents licensed under $Apache-2.0
1,765,279

@stdlib/math-base-assert-is-nan

Test if a double-precision floating-point numeric value is NaN.

stdlib-bot
published version 0.2.2, a year ago722 dependents licensed under $Apache-2.0
1,724,860

@stdlib/assert-is-object-like

Test if a value is object-like.

stdlib-bot
published version 0.2.2, a year ago15 dependents licensed under $Apache-2.0
1,775,221

@stdlib/assert-is-big-endian

Check if an environment is big endian.

stdlib-bot
published version 0.2.2, a year ago2 dependents licensed under $Apache-2.0
1,635,821

@stdlib/math-base-assert-is-infinite

Test if a double-precision floating-point numeric value is infinite.

stdlib-bot
published version 0.2.2, a year ago46 dependents licensed under $Apache-2.0
1,624,767

geojson-equality

Check two valid geojson geometries for equality.

gagan-bansal
published version 0.2.1, a year ago6 dependents licensed under $MIT
1,940,467

qunit

The powerful, easy-to-use testing framework.

krinkle
published version 2.24.1, 6 months ago57 dependents licensed under $MIT
2,001,379

@stdlib/assert-is-regexp-string

Test if a value is a regular expression string.

stdlib-bot
published version 0.2.2, a year ago72 dependents licensed under $Apache-2.0
1,516,092

@stdlib/assert-is-buffer

Test if a value is a Buffer object.

stdlib-bot
published version 0.2.2, a year ago19 dependents licensed under $Apache-2.0
1,775,048