diff --git a/packages/effect-fc/src/ReactComponent.ts b/packages/effect-fc/src/ReactComponent.ts
index 9b4d85c..95b0fc5 100644
--- a/packages/effect-fc/src/ReactComponent.ts
+++ b/packages/effect-fc/src/ReactComponent.ts
@@ -9,6 +9,10 @@ export interface ReactComponent<E, R, P> {
     readonly displayName?: string
 }
 
+export type E<T> = T extends ReactComponent<infer E, any, any> ? E : never
+export type R<T> = T extends ReactComponent<any, infer R, any> ? R : never
+export type P<T> = T extends ReactComponent<any, any, infer P> ? P : never
+
 export const nonReactiveTags = [Tracer.ParentSpan] as const