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Add isDefined parallel to isRequired #158

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kheyse-oqton commented Jan 31, 2018

Adds the ability to do the following:

PropTypes.string.isDefined // allows null but not undefined

Based on #90 but removes

PropTypes.string.isNotNull // allows undefined but not null

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return null;
if (props[propName] === null) {
return allowNull ? null : new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required ' + ('in `' + componentName + '`, but its value is `null`.'));
} else if (props[propName] == null) {

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ljharb Feb 8, 2019


might as well only check for undefined here, since we already checked for null above?

Suggested change Beta
} else if (props[propName] == null) {
} else if (typeof props[propName] === 'undefined') {

@ljharb ljharb added the Semver: minor label Feb 8, 2019


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ljharb commented Feb 8, 2019

@kheyse-oqton please sign the CLA when you get a chance.

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