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@sindresorhus/is

Type check values

sindresorhus
published version 7.0.1, 5 months ago326 dependents licensed under $MIT
71,334,312

assertion-error

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

chaijs
published version 2.0.1, a year ago384 dependents licensed under $MIT
55,538,665

chai

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

chaijs
published version 5.1.2, 3 months ago10750 dependents licensed under $MIT
58,862,922

mocha

simple, flexible, fun test framework

voxpelli
published version 11.1.0, a month ago11425 dependents licensed under $MIT
33,391,448

ts-invariant

TypeScript implementation of invariant(condition, message)

benjamn
published version 0.10.3, 3 years ago255 dependents licensed under $MIT
16,401,456

lazy-ass

Lazy assertions without performance penalty

bahmutov
published version 2.0.3, 3 years ago211 dependents licensed under $MIT
21,721,415

is-lite

A tiny javascript type testing tool

gilbarbara
published version 1.2.1, a year ago73 dependents licensed under $MIT
2,246,611

ow

Function argument validation for humans

sindresorhus
published version 2.0.0, 9 months ago509 dependents licensed under $MIT
3,081,539

@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
1,581,135

geojson-equality

Check two valid geojson geometries for equality.

gagan-bansal
published version 0.2.1, 6 months ago7 dependents licensed under $MIT
2,440,940

@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
1,623,594

@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
1,443,222

@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
1,664,259

@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
1,594,618

@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
1,377,386

@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
1,539,421

@stdlib/assert-is-regexp-string

Test if a value is a regular expression string.

stdlib-bot
published version 0.2.2, 6 months ago72 dependents licensed under $Apache-2.0
1,143,797

@stdlib/assert-is-uint8array

Test if a value is a Uint8Array.

stdlib-bot
published version 0.2.2, 6 months ago63 dependents licensed under $Apache-2.0
1,517,605

@stdlib/assert-is-uint16array

Test if a value is a Uint16Array.

stdlib-bot
published version 0.2.2, 6 months ago1 dependents licensed under $Apache-2.0
1,516,222

@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
1,622,711