react-native/Libraries/ReactNative/verifyPropTypes.js

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/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @providesModule verifyPropTypes
* @flow
* @format
*/
'use strict';
var ReactNativeStyleAttributes = require('ReactNativeStyleAttributes');
export type ComponentInterface =
| React$ComponentType<any>
| {
name?: string,
displayName?: string,
propTypes: Object,
};
function verifyPropTypes(
componentInterface: ComponentInterface,
viewConfig: Object,
nativePropsToIgnore?: ?Object,
) {
if (!viewConfig) {
return; // This happens for UnimplementedView.
}
var componentName =
componentInterface.displayName || componentInterface.name || 'unknown';
// ReactNative `View.propTypes` have been deprecated in favor of
// `ViewPropTypes`. In their place a temporary getter has been added with a
// deprecated warning message. Avoid triggering that warning here by using
// temporary workaround, __propTypesSecretDontUseThesePlease.
// TODO (bvaughn) Revert this particular change any time after April 1
var propTypes =
(componentInterface: any).__propTypesSecretDontUseThesePlease ||
componentInterface.propTypes;
if (!propTypes) {
throw new Error('`' + componentName + '` has no propTypes defined`');
}
var nativeProps = viewConfig.NativeProps;
for (var prop in nativeProps) {
if (
!propTypes[prop] &&
!ReactNativeStyleAttributes[prop] &&
(!nativePropsToIgnore || !nativePropsToIgnore[prop])
) {
var message;
if (propTypes.hasOwnProperty(prop)) {
message =
'`' +
componentName +
'` has incorrectly defined propType for native prop `' +
viewConfig.uiViewClassName +
'.' +
prop +
'` of native type `' +
nativeProps[prop];
} else {
message =
'`' +
componentName +
'` has no propType for native prop `' +
viewConfig.uiViewClassName +
'.' +
prop +
'` of native type `' +
nativeProps[prop] +
'`';
}
message +=
"\nIf you haven't changed this prop yourself, this usually means that " +
'your versions of the native code and JavaScript code are out of sync. Updating both ' +
'should make this error go away.';
throw new Error(message);
}
}
}
module.exports = verifyPropTypes;