[react] Add propTypes to ForwardRefExoticComponent (#38337)

* Add propTypes to ForwardRefExoticComponent * Add test
DefinitelyTyped · Sep 24, 2019 · bdfdaf7 · bdfdaf7
1 parent 40b3584
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diff --git a/types/react/index.d.ts b/types/react/index.d.ts
@@ -725,6 +725,7 @@ declare namespace React {
     // but can be given its own specific name
     interface ForwardRefExoticComponent<P> extends NamedExoticComponent<P> {
         defaultProps?: Partial<P>;
+        propTypes?: WeakValidationMap<P>;
     }
 
     function forwardRef<T, P = {}>(Component: RefForwardingComponent<T, P>): ForwardRefExoticComponent<PropsWithoutRef<P> & RefAttributes<T>>;

diff --git a/types/react/test/index.ts b/types/react/test/index.ts
@@ -402,6 +402,9 @@ const ForwardingRefComponent = React.forwardRef((props: {}, ref: React.Ref<RefCo
     return React.createElement(RefComponent, { ref });
 });
 
+const ForwardingRefComponentPropTypes: React.WeakValidationMap<Props> = {};
+ForwardingRefComponent.propTypes = ForwardingRefComponentPropTypes;
+
 function RefCarryingComponent() {
     const ref: React.RefObject<RefComponent> = React.createRef();
     // Without the explicit type argument, TypeScript infers `{ref: React.RefObject<RefComponent>}`