typical

Isomorphic, functional type-checking for Javascript

v7.3.0 URL: https://unpkg.com/typical@7.3.0/index.js

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type checking check value valid is detect number object plainobject array like defined string boolean function promise iterable class primitive isstring isclass isiterable isdefined isobject isomorphic async is-async es6 es2015

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

node-is-class

Check if function is an ES6 class

v1.0.4 URL: https://unpkg.com/node-is-class@1.0.4/src/index.js

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function class es6 is-class isclass class-function

@stdlib/assert-is-class

Test if a value is a class.

v0.2.2 URL: https://unpkg.com/@stdlib/assert-is-class@0.2.2/lib/index.js

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stdlib stdassert assertion assert utilities utility utils util class is isclass es2020 es6 type check valid validate test isvalid