Fix

packages/effect-fc/src/Component.ts

@@ -115,7 +115,7 @@ export const make = <Args extends readonly any[], A extends React.ReactNode, E,
 )
 
 export const withFunctionComponentSignature: {
-    <F extends FunctionComponent>(): <T extends Component<F, any, any>>(self: T) =>
+    <F extends FunctionComponent>(): <T extends Component<any, any, any>>(self: T) =>
         & Omit<T, keyof Component.AsComponent<T>>
         & Component<F, Component.Error<T>, Component.Context<T>>
 } = () => identity

packages/example/src/lib/TextInput.tsx

@@ -1,12 +1,16 @@
 import { TextField } from "@radix-ui/themes"
+import { Effect } from "effect"
 import { Component } from "effect-fc"
 import { Hooks } from "effect-fc/hooks"
+import { JSX } from "react"
 
 
 export namespace TextInput {
     export interface Props<A, R> extends Hooks.useInput.Options<A, R>, TextField.RootProps {}
 }
 
-export class TextInput extends Component.make(function* TextInput(props: TextInput.Props<A, R>) {
+export class TextInput extends Component.make(Effect.fnUntraced(function* TextInput <A, R>(props: TextInput.Props<A, R>) {
     return <></>
-}) {}
+})).pipe(
+    Component.withFunctionComponentSignature<<A, R>(props: TextInput.Props<A, R>) => JSX.Element>()
+) {}