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Check null, undefined, NaN #92

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xahon opened this issue Jul 20, 2017 · 1 comment
Open

Check null, undefined, NaN #92

xahon opened this issue Jul 20, 2017 · 1 comment
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new validator request Requests for a new kind of validator. question

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@xahon
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xahon commented Jul 20, 2017

How can i check if passed value is null, undefined, NaN?
@xahon xahon changed the title Check either array or null Check null, undefined, NaN Jul 20, 2017
@ljharb
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ljharb commented Jul 20, 2017 •
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@xahon PropTypes.oneOf(NaN) should work there.

I built explicitNull in airbnb-prop-types to detect that case; for undefined, this is a bit of a duplicate of #57.

@ljharb ljharb added question new validator request Requests for a new kind of validator. labels Feb 21, 2019
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