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@sindresorhus/is

Type check values

sindresorhus
published version 7.0.1, 5 months ago327 dependents licensed under $MIT
57,507,215

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
45,154,388

chai

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

chaijs
published version 5.1.2, 3 months ago10757 dependents licensed under $MIT
47,868,477

mocha

simple, flexible, fun test framework

voxpelli
published version 11.1.0, a month ago11428 dependents licensed under $MIT
25,399,973

ts-invariant

TypeScript implementation of invariant(condition, message)

benjamn
published version 0.10.3, 3 years ago255 dependents licensed under $MIT
13,300,653

lazy-ass

Lazy assertions without performance penalty

bahmutov
published version 2.0.3, 3 years ago211 dependents licensed under $MIT
17,365,073

is-lite

A tiny javascript type testing tool

gilbarbara
published version 1.2.1, a year ago73 dependents licensed under $MIT
1,820,932

ow

Function argument validation for humans

sindresorhus
published version 2.0.0, 9 months ago508 dependents licensed under $MIT
2,437,865

geojson-equality

Check two valid geojson geometries for equality.

gagan-bansal
published version 0.2.1, 6 months ago7 dependents licensed under $MIT
2,022,151

@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
1,313,955

@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
1,345,666

@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
1,289,938

@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
1,315,523

@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
1,247,780

@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
1,172,101

@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
1,157,692

@stdlib/assert-is-object

Test if a value is an object.

stdlib-bot
published version 0.2.2, 6 months ago25 dependents licensed under $Apache-2.0
1,292,482

@stdlib/assert-is-float32array

Test if a value is a Float32Array.

stdlib-bot
published version 0.2.2, 6 months ago4 dependents licensed under $Apache-2.0
1,280,362

@stdlib/assert-is-number

Test if a value is a number.

stdlib-bot
published version 0.2.2, 6 months ago165 dependents licensed under $Apache-2.0
1,278,958

@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
1,313,200