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import PropTypes from 'prop-types';
import chainPropTypes from '../chainPropTypes';
function isClassComponent(elementType) {
// elementType.prototype?.isReactComponent
const {
prototype = {}
} = elementType;
return Boolean(prototype.isReactComponent);
}
function acceptingRef(props, propName, componentName, location, propFullName) {
const element = props[propName];
const safePropName = propFullName || propName;
if (element == null ||
// When server-side rendering React doesn't warn either.
// This is not an accurate check for SSR.
// This is only in place for Emotion compat.
// TODO: Revisit once https://github.com/facebook/react/issues/20047 is resolved.
typeof window === 'undefined') {
return null;
}
let warningHint;
const elementType = element.type;
/**
* Blacklisting instead of whitelisting
*
* Blacklisting will miss some components, such as React.Fragment. Those will at least
* trigger a warning in React.
* We can't whitelist because there is no safe way to detect React.forwardRef
* or class components. "Safe" means there's no public API.
*
*/
if (typeof elementType === 'function' && !isClassComponent(elementType)) {
warningHint = 'Did you accidentally use a plain function component for an element instead?';
}
if (warningHint !== undefined) {
return new Error(`Invalid ${location} \`${safePropName}\` supplied to \`${componentName}\`. ` + `Expected an element that can hold a ref. ${warningHint} ` + 'For more information see https://mui.com/r/caveat-with-refs-guide');
}
return null;
}
const elementAcceptingRef = chainPropTypes(PropTypes.element, acceptingRef);
elementAcceptingRef.isRequired = chainPropTypes(PropTypes.element.isRequired, acceptingRef);
export default elementAcceptingRef; |