is-number

Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.

v7.0.0 URL: https://unpkg.com/is-number@7.0.0/index.js

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cast check coerce coercion finite integer is isnan is-nan is-num is-number isnumber isfinite istype kind math nan num number numeric parseFloat parseInt test type typeof value

is-empty

Check whether a value is "empty".

v1.2.0 URL: https://unpkg.com/is-empty@1.2.0/lib/index.js

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array check empty file is map object set value

empty-dir

Check if a directory is empty.

v3.0.0 URL: https://unpkg.com/empty-dir@3.0.0/index.js

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empty is-empty directory folder check

has-value

Returns true if a value exists, false if empty. Works with deeply nested values using object paths.

v2.0.2 URL: https://unpkg.com/has-value@2.0.2/index.js

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array boolean check deep empty function has hasOwn is-empty nested null number object object path properties property string type value

validate.io-number

Validates if a value is a number.

v1.0.3 URL: https://unpkg.com/validate.io-number@1.0.3/lib/index.js

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validate.io validate validation validator number numeric is type check isnumber