@sindresorhus/is

Type check values

v7.0.1 URL: https://unpkg.com/@sindresorhus/is@7.0.1/index.js

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type types is check checking validate validation utility util typeof instanceof object assert assertion test kind primitive verify compare typescript typeguards types

ow

Function argument validation for humans

v2.0.0 URL: https://unpkg.com/ow@2.0.0/index.js

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type types check checking guard guards assert assertion predicate predicates is validate validation utility util typeof instanceof object

kind-of

Get the native type of a value.

v6.0.3 URL: https://unpkg.com/kind-of@6.0.3/index.js

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arguments array boolean check date function is is-type is-type-of kind kind-of number object of regexp string test type type-of typeof types

type-check

type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.

v0.4.0 URL: https://unpkg.com/browse/type-check@0.4.0/lib/

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type check checking library

check-types

A little library for asserting types and values, with zero dependencies.

v11.2.3 URL: https://unpkg.com/check-types@11.2.3/src/check-types.js

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type types type-check type-checking duck-typing arguments parameters values data contract assert check verify safe safety