Created
November 30, 2016 18:29
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MyComponent.propTypes = { | |
// You can declare that a prop is a specific JS primitive. By default, these | |
// are all optional. | |
optionalArray: React.PropTypes.array, | |
optionalBool: React.PropTypes.bool, | |
optionalFunc: React.PropTypes.func, | |
optionalNumber: React.PropTypes.number, | |
optionalObject: React.PropTypes.object, | |
optionalString: React.PropTypes.string, | |
optionalSymbol: React.PropTypes.symbol, | |
// Anything that can be rendered: numbers, strings, elements or an array | |
// (or fragment) containing these types. | |
optionalNode: React.PropTypes.node, | |
// A React element. | |
optionalElement: React.PropTypes.element, | |
// You can also declare that a prop is an instance of a class. This uses | |
// JS's instanceof operator. | |
optionalMessage: React.PropTypes.instanceOf(Message), | |
// You can ensure that your prop is limited to specific values by treating | |
// it as an enum. | |
optionalEnum: React.PropTypes.oneOf(['News', 'Photos']), | |
// An object that could be one of many types | |
optionalUnion: React.PropTypes.oneOfType([ | |
React.PropTypes.string, | |
React.PropTypes.number, | |
React.PropTypes.instanceOf(Message) | |
]), | |
// An array of a certain type | |
optionalArrayOf: React.PropTypes.arrayOf(React.PropTypes.number), | |
// An object with property values of a certain type | |
optionalObjectOf: React.PropTypes.objectOf(React.PropTypes.number), | |
// An object taking on a particular shape | |
optionalObjectWithShape: React.PropTypes.shape({ | |
color: React.PropTypes.string, | |
fontSize: React.PropTypes.number | |
}), | |
// You can chain any of the above with `isRequired` to make sure a warning | |
// is shown if the prop isn't provided. | |
requiredFunc: React.PropTypes.func.isRequired, | |
// A value of any data type | |
requiredAny: React.PropTypes.any.isRequired, | |
// You can also specify a custom validator. It should return an Error | |
// object if the validation fails. Don't `console.warn` or throw, as this | |
// won't work inside `oneOfType`. | |
customProp: function(props, propName, componentName) { | |
if (!/matchme/.test(props[propName])) { | |
return new Error( | |
'Invalid prop `' + propName + '` supplied to' + | |
' `' + componentName + '`. Validation failed.' | |
); | |
} | |
}, | |
// You can also supply a custom validator to `arrayOf` and `objectOf`. | |
// It should return an Error object if the validation fails. The validator | |
// will be called for each key in the array or object. The first two | |
// arguments of the validator are the array or object itself, and the | |
// current item's key. | |
customArrayProp: React.PropTypes.arrayOf(function(propValue, key, componentName, location, propFullName) { | |
if (!/matchme/.test(propValue[key])) { | |
return new Error( | |
'Invalid prop `' + propFullName + '` supplied to' + | |
' `' + componentName + '`. Validation failed.' | |
); | |
} | |
}) | |
}; |
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