koalas

Coalesce for JavaScript. Returns the first value that is not undefined or null.

v1.0.2 URL: https://unpkg.com/koalas@1.0.2/index.js

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check isnull kind koala koalas null type type-of typeof undefined util utility utils value

@stdlib/assert-is-null

Test if a value is null.

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

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stdlib stdassert assertion assert utilities utility utils util null is isnull type check valid validate test

@stdlib/assert-is-undefined-or-null

Test if a value is undefined or null.

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

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stdlib stdassert assertion assert utilities utility utils util undefined void null is isundefined isnull isvoid type check valid validate test

nullable-ts

Nullable type and helper functions for typescript

v1.3.1 URL: https://unpkg.com/nullable-ts@1.3.1/dist/index.js

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null nullable optional undefined isnull isnotnull typescript

isnullorempty

Check if a given object is null or empty

v1.0.1 URL: https://unpkg.com/isnullorempty@1.0.1/index.js

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null undefined empty is isnull isempty