@stdlib/assert-is-falsy

Test if a value is falsy.

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

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stdlib stdassert assertion assert utilities utility utils util falsy falsey truthy is isfalsy isfalsey type check valid validate test

@stdlib/assert-is-falsy-array

Test if a value is an array-like object containing only falsy values.

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

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stdlib stdassert assertion assert utilities utility utils util falsy falsey truthy array is isfalsy isfalsey isarray array-like typed-array typed array collection type check valid validate test

check-is-truthy

Utilities and types to help with simple Boolean checks

v0.0.6 URL: https://unpkg.com/check-is-truthy@0.0.6/check-is-truthy.cjs

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boolean truthy falsy toggle predicate filter true false null undefined nan truth is-truthy istruthy is-falsy isfalsy types typescript