ow

Function argument validation for humans

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

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

class-is

Enhances a JavaScript class by adding an is<Class> property to compare types between realms.

v1.1.0 URL: https://unpkg.com/class-is@1.1.0/index.js

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withis with-is isclass is-class symbols realms instanceof instance-of

@stdlib/utils-constructor-name

Determine the name of a value's constructor.

v0.2.2 URL: https://unpkg.com/@stdlib/utils-constructor-name@0.2.2/lib/index.js

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stdlib stdutils stdutil utilities utility utils util type typeof class constructor ctor name instanceof is istype check

is-lite

A tiny javascript type testing tool

v1.2.1 URL: https://unpkg.com/is-lite@1.2.1/dist/index.js

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type check assertion validation test typeguard typeof instanceof