❤
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 7.0.1, 4 months ago325 dependents licensed under $MIT
60,486,324

assertion-error

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

chaijs
published version 2.0.1, a year ago380 dependents licensed under $MIT
46,497,747

chai

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

chaijs
published version 5.1.2, 3 months ago10731 dependents licensed under $MIT
49,323,336

mocha

simple, flexible, fun test framework

voxpelli
published version 11.0.1, a month ago11418 dependents licensed under $MIT
27,468,979

lazy-ass

Lazy assertions without performance penalty

bahmutov
published version 2.0.3, 3 years ago209 dependents licensed under $MIT
17,837,695

ts-invariant

TypeScript implementation of invariant(condition, message)

benjamn
published version 0.10.3, 3 years ago255 dependents licensed under $MIT
13,372,447

is-lite

A tiny javascript type testing tool

gilbarbara
published version 1.2.1, a year ago72 dependents licensed under $MIT
1,778,862

ow

Function argument validation for humans

sindresorhus
published version 2.0.0, 8 months ago509 dependents licensed under $MIT
2,613,536

geojson-equality

Check two valid geojson geometries for equality.

gagan-bansal
published version 0.2.1, 5 months ago7 dependents licensed under $MIT
1,866,216

@stdlib/assert-has-own-property

Test if an object has a specified property.

stdlib-bot
published version 0.2.2, 6 months ago468 dependents licensed under $Apache-2.0
1,290,504

@stdlib/assert-is-object-like

Test if a value is object-like.

stdlib-bot
published version 0.2.2, 6 months ago15 dependents licensed under $Apache-2.0
1,260,420

@stdlib/assert-is-array

Test if a value is an array.

stdlib-bot
published version 0.2.2, 6 months ago51 dependents licensed under $Apache-2.0
1,259,108

@stdlib/assert-is-regexp

Test if a value is a regular expression.

stdlib-bot
published version 0.2.2, 6 months ago6 dependents licensed under $Apache-2.0
1,241,169

@stdlib/assert-is-big-endian

Check if an environment is big endian.

stdlib-bot
published version 0.2.2, 6 months ago2 dependents licensed under $Apache-2.0
1,120,707

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

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

stdlib-bot
published version 0.2.2, 6 months ago46 dependents licensed under $Apache-2.0
1,103,243

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

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

stdlib-bot
published version 0.2.2, 6 months ago778 dependents licensed under $Apache-2.0
1,198,520

@stdlib/assert-is-buffer

Test if a value is a Buffer object.

stdlib-bot
published version 0.2.2, 6 months ago19 dependents licensed under $Apache-2.0
1,257,859

@stdlib/assert-is-plain-object

Test if a value is a plain object.

stdlib-bot
published version 0.2.2, 6 months ago402 dependents licensed under $Apache-2.0
1,243,268

@stdlib/assert-is-string

Test if a value is a string.

stdlib-bot
published version 0.2.2, 6 months ago278 dependents licensed under $Apache-2.0
1,281,068

@stdlib/assert-is-boolean

Test if a value is a boolean.

stdlib-bot
published version 0.2.2, 6 months ago193 dependents licensed under $Apache-2.0
1,262,831