Tests

packages/effect-fc/package.json

@@ -17,6 +17,10 @@
       "types": "./dist/index.d.ts",
       "default": "./dist/index.js"
     },
+    "./hooks": {
+      "types": "./dist/hooks/index.d.ts",
+      "default": "./dist/hooks/index.js"
+    },
     "./types": {
       "types": "./dist/types/index.d.ts",
       "default": "./dist/types/index.js"

packages/effect-fc/src/Component.ts

@@ -1,26 +1,41 @@
-import { Context, Effect, Effectable, ExecutionStrategy, Function, Predicate, Runtime, Scope, String, Tracer, type Utils } from "effect"
+import { Context, Effect, Effectable, ExecutionStrategy, Function, identity, Predicate, Runtime, Scope, String, Tracer, type Types } from "effect"
 import * as React from "react"
-import * as Hook from "./Hook.js"
+import { Hooks } from "./hooks/index.js"
 import * as Memoized from "./Memoized.js"
 
 
 export const TypeId: unique symbol = Symbol.for("effect-fc/Component")
 export type TypeId = typeof TypeId
 
-export interface Component<P extends {} = {}, E = never, R = never>
+export interface Component<F extends FunctionComponent, E, R>
-extends Effect.Effect<React.FC<P>, never, Exclude<R, Scope.Scope>>, Component.Options {
+extends
+    Effect.Effect<F, never, Exclude<R, Scope.Scope>>,
+    Component.Options
+{
     new(_: never): {}
     readonly [TypeId]: TypeId
+    readonly ["~FunctionComponent"]: F
+    readonly ["~Props"]: FunctionComponent.Props<F>
+    readonly ["~Success"]: FunctionComponent.Success<F>
+    readonly ["~Error"]: E
+    readonly ["~Context"]: R
+
     /** @internal */
-    makeFunctionComponent(runtimeRef: React.Ref<Runtime.Runtime<Exclude<R, Scope.Scope>>>, scope: Scope.Scope): React.FC<P>
+    readonly body: (props: FunctionComponent.Props<F>) => Effect.Effect<FunctionComponent.Success<F>, E, R>
+
     /** @internal */
-    readonly body: (props: P) => Effect.Effect<React.ReactNode, E, R>
+    makeFunctionComponent(
+        runtimeRef: React.Ref<Runtime.Runtime<Exclude<R, Scope.Scope>>>,
+        scope: Scope.Scope,
+    ): F
 }
 
 export namespace Component {
-    export type Props<T> = T extends Component<infer P, infer _E, infer _R> ? P : never
+    export type FunctionComponent<T extends Component<any, any, any>> = T extends Component<infer F, infer _E, infer _R> ? F : never
-    export type Error<T> = T extends Component<infer _P, infer E, infer _R> ? E : never
+    export type Error<T extends Component<any, any, any>> = T extends Component<infer _F, infer E, infer _R> ? E : never
-    export type Context<T> = T extends Component<infer _P, infer _E, infer R> ? R : never
+    export type Context<T extends Component<any, any, any>> = T extends Component<infer _F, infer _E, infer R> ? R : never
+
+    export type AsComponent<T extends Component<any, any, any>> = Component<FunctionComponent<T>, Error<T>, Context<T>>
 
     export interface Options {
         readonly displayName?: string
@@ -29,18 +44,27 @@ export namespace Component {
     }
 }
 
+export type FunctionComponent = (...args: readonly any[]) => React.ReactNode
+
+export namespace FunctionComponent {
+    export type Props<T extends FunctionComponent> = T extends (...args: readonly [infer P, ...any[]]) => infer _A ? P : never
+    export type Success<T extends FunctionComponent> = T extends (...args: infer _Args) => infer A ? A : never
+}
+
 
 const ComponentProto = Object.freeze({
     ...Effectable.CommitPrototype,
     [TypeId]: TypeId,
 
-    commit: Effect.fn("Component")(function* <P extends {}, E, R>(this: Component<P, E, R>) {
+    commit: Effect.fnUntraced(function* <F extends FunctionComponent, E, R>(
+        this: Component<F, E, R>
+    ) {
         const self = this
         const runtimeRef = React.useRef<Runtime.Runtime<Exclude<R, Scope.Scope>>>(null!)
         runtimeRef.current = yield* Effect.runtime<Exclude<R, Scope.Scope>>()
 
-        return React.useCallback(function ScopeProvider(props: P) {
+        return React.useCallback(function ScopeProvider(props: FunctionComponent.Props<F>) {
-            const scope = Runtime.runSync(runtimeRef.current)(Hook.useScope(
+            const scope = Runtime.runSync(runtimeRef.current)(Hooks.useScope(
                 Array.from(
                     Context.omit(...nonReactiveTags)(runtimeRef.current.context).unsafeMap.values()
                 ),
@@ -48,7 +72,7 @@ const ComponentProto = Object.freeze({
             ))
 
             const FC = React.useMemo(() => {
-                const f = self.makeFunctionComponent(runtimeRef, scope)
+                const f: React.FC<FunctionComponent.Props<F>> = self.makeFunctionComponent(runtimeRef, scope)
                 f.displayName = self.displayName ?? "Anonymous"
                 return Memoized.isMemoized(self)
                     ? React.memo(f, self.propsAreEqual)
@@ -59,12 +83,12 @@ const ComponentProto = Object.freeze({
         }, [])
     }),
 
-    makeFunctionComponent <P extends {}, E, R>(
+    makeFunctionComponent<F extends FunctionComponent, E, R>(
-        this: Component<P, E, R>,
+        this: Component<F, E, R>,
         runtimeRef: React.RefObject<Runtime.Runtime<Exclude<R, Scope.Scope>>>,
         scope: Scope.Scope,
-    ): React.FC<P> {
+    ) {
-        return (props: P) => Runtime.runSync(runtimeRef.current)(
+        return (props: FunctionComponent.Props<F>) => Runtime.runSync(runtimeRef.current)(
             Effect.provideService(this.body(props), Scope.Scope, scope)
         )
     },
@@ -78,277 +102,23 @@ const defaultOptions = {
 const nonReactiveTags = [Tracer.ParentSpan] as const
 
 
-export const isComponent = (u: unknown): u is Component<{}, unknown, unknown> => Predicate.hasProperty(u, TypeId)
+export const isComponent = (u: unknown): u is Component<FunctionComponent, unknown, unknown> => Predicate.hasProperty(u, TypeId)
 
-export namespace make {
+export const make = <Args extends readonly any[], A extends React.ReactNode, E, R>(
-    export type Gen = {
+    body: (...args: Args) => Effect.Effect<A, E, R>
-        <Eff extends Utils.YieldWrap<Effect.Effect<any, any, any>>, P extends {} = {}>(
+): Component<(...args: Args) => A, E, R> => Object.setPrototypeOf(
-            body: (props: P) => Generator<Eff, React.ReactNode, never>,
-        ): Component<
-            P,
-            [Eff] extends [never] ? never : [Eff] extends [Utils.YieldWrap<Effect.Effect<infer _A, infer E, infer _R>>] ? E : never,
-            [Eff] extends [never] ? never : [Eff] extends [Utils.YieldWrap<Effect.Effect<infer _A, infer _E, infer R>>] ? R : never
-        >
-        <Eff extends Utils.YieldWrap<Effect.Effect<any, any, any>>, A, B extends Effect.Effect<React.ReactNode, any, any>, P extends {} = {}>(
-            body: (props: P) => Generator<Eff, A, never>,
-            a: (
-                _: Effect.Effect<
-                    A,
-                    [Eff] extends [never] ? never : [Eff] extends [Utils.YieldWrap<Effect.Effect<infer _A, infer E, infer _R>>] ? E : never,
-                    [Eff] extends [never] ? never : [Eff] extends [Utils.YieldWrap<Effect.Effect<infer _A, infer _E, infer R>>] ? R : never
-                >,
-                props: NoInfer<P>,
-            ) => B
-        ): Component<P, Effect.Effect.Error<B>, Effect.Effect.Context<B>>
-        <Eff extends Utils.YieldWrap<Effect.Effect<any, any, any>>, A, B, C extends Effect.Effect<React.ReactNode, any, any>, P extends {} = {}>(
-            body: (props: P) => Generator<Eff, A, never>,
-            a: (
-                _: Effect.Effect<
-                    A,
-                    [Eff] extends [never] ? never : [Eff] extends [Utils.YieldWrap<Effect.Effect<infer _A, infer E, infer _R>>] ? E : never,
-                    [Eff] extends [never] ? never : [Eff] extends [Utils.YieldWrap<Effect.Effect<infer _A, infer _E, infer R>>] ? R : never
-                >,
-                props: NoInfer<P>,
-            ) => B,
-            b: (_: B, props: NoInfer<P>) => C,
-        ): Component<P, Effect.Effect.Error<C>, Effect.Effect.Context<C>>
-        <Eff extends Utils.YieldWrap<Effect.Effect<any, any, any>>, A, B, C, D extends Effect.Effect<React.ReactNode, any, any>, P extends {} = {}>(
-            body: (props: P) => Generator<Eff, A, never>,
-            a: (
-                _: Effect.Effect<
-                    A,
-                    [Eff] extends [never] ? never : [Eff] extends [Utils.YieldWrap<Effect.Effect<infer _A, infer E, infer _R>>] ? E : never,
-                    [Eff] extends [never] ? never : [Eff] extends [Utils.YieldWrap<Effect.Effect<infer _A, infer _E, infer R>>] ? R : never
-                >,
-                props: NoInfer<P>,
-            ) => B,
-            b: (_: B, props: NoInfer<P>) => C,
-            c: (_: C, props: NoInfer<P>) => D,
-        ): Component<P, Effect.Effect.Error<D>, Effect.Effect.Context<D>>
-        <Eff extends Utils.YieldWrap<Effect.Effect<any, any, any>>, A, B, C, D, E extends Effect.Effect<React.ReactNode, any, any>, P extends {} = {}>(
-            body: (props: P) => Generator<Eff, A, never>,
-            a: (
-                _: Effect.Effect<
-                    A,
-                    [Eff] extends [never] ? never : [Eff] extends [Utils.YieldWrap<Effect.Effect<infer _A, infer E, infer _R>>] ? E : never,
-                    [Eff] extends [never] ? never : [Eff] extends [Utils.YieldWrap<Effect.Effect<infer _A, infer _E, infer R>>] ? R : never
-                >,
-                props: NoInfer<P>,
-            ) => B,
-            b: (_: B, props: NoInfer<P>) => C,
-            c: (_: C, props: NoInfer<P>) => D,
-            d: (_: D, props: NoInfer<P>) => E,
-        ): Component<P, Effect.Effect.Error<E>, Effect.Effect.Context<E>>
-        <Eff extends Utils.YieldWrap<Effect.Effect<any, any, any>>, A, B, C, D, E, F extends Effect.Effect<React.ReactNode, any, any>, P extends {} = {}>(
-            body: (props: P) => Generator<Eff, A, never>,
-            a: (
-                _: Effect.Effect<
-                    A,
-                    [Eff] extends [never] ? never : [Eff] extends [Utils.YieldWrap<Effect.Effect<infer _A, infer E, infer _R>>] ? E : never,
-                    [Eff] extends [never] ? never : [Eff] extends [Utils.YieldWrap<Effect.Effect<infer _A, infer _E, infer R>>] ? R : never
-                >,
-                props: NoInfer<P>,
-            ) => B,
-            b: (_: B, props: NoInfer<P>) => C,
-            c: (_: C, props: NoInfer<P>) => D,
-            d: (_: D, props: NoInfer<P>) => E,
-            e: (_: E, props: NoInfer<P>) => F,
-        ): Component<P, Effect.Effect.Error<F>, Effect.Effect.Context<F>>
-        <Eff extends Utils.YieldWrap<Effect.Effect<any, any, any>>, A, B, C, D, E, F, G extends Effect.Effect<React.ReactNode, any, any>, P extends {} = {}>(
-            body: (props: P) => Generator<Eff, A, never>,
-            a: (
-                _: Effect.Effect<
-                    A,
-                    [Eff] extends [never] ? never : [Eff] extends [Utils.YieldWrap<Effect.Effect<infer _A, infer E, infer _R>>] ? E : never,
-                    [Eff] extends [never] ? never : [Eff] extends [Utils.YieldWrap<Effect.Effect<infer _A, infer _E, infer R>>] ? R : never
-                >,
-                props: NoInfer<P>,
-            ) => B,
-            b: (_: B, props: NoInfer<P>) => C,
-            c: (_: C, props: NoInfer<P>) => D,
-            d: (_: D, props: NoInfer<P>) => E,
-            e: (_: E, props: NoInfer<P>) => F,
-            f: (_: F, props: NoInfer<P>) => G,
-        ): Component<P, Effect.Effect.Error<G>, Effect.Effect.Context<G>>
-        <Eff extends Utils.YieldWrap<Effect.Effect<any, any, any>>, A, B, C, D, E, F, G, H extends Effect.Effect<React.ReactNode, any, any>, P extends {} = {}>(
-            body: (props: P) => Generator<Eff, A, never>,
-            a: (
-                _: Effect.Effect<
-                    A,
-                    [Eff] extends [never] ? never : [Eff] extends [Utils.YieldWrap<Effect.Effect<infer _A, infer E, infer _R>>] ? E : never,
-                    [Eff] extends [never] ? never : [Eff] extends [Utils.YieldWrap<Effect.Effect<infer _A, infer _E, infer R>>] ? R : never
-                >,
-                props: NoInfer<P>,
-            ) => B,
-            b: (_: B, props: NoInfer<P>) => C,
-            c: (_: C, props: NoInfer<P>) => D,
-            d: (_: D, props: NoInfer<P>) => E,
-            e: (_: E, props: NoInfer<P>) => F,
-            f: (_: F, props: NoInfer<P>) => G,
-            g: (_: G, props: NoInfer<P>) => H,
-        ): Component<P, Effect.Effect.Error<H>, Effect.Effect.Context<H>>
-        <Eff extends Utils.YieldWrap<Effect.Effect<any, any, any>>, A, B, C, D, E, F, G, H, I extends Effect.Effect<React.ReactNode, any, any>, P extends {} = {}>(
-            body: (props: P) => Generator<Eff, A, never>,
-            a: (
-                _: Effect.Effect<
-                    A,
-                    [Eff] extends [never] ? never : [Eff] extends [Utils.YieldWrap<Effect.Effect<infer _A, infer E, infer _R>>] ? E : never,
-                    [Eff] extends [never] ? never : [Eff] extends [Utils.YieldWrap<Effect.Effect<infer _A, infer _E, infer R>>] ? R : never
-                >,
-                props: NoInfer<P>,
-            ) => B,
-            b: (_: B, props: NoInfer<P>) => C,
-            c: (_: C, props: NoInfer<P>) => D,
-            d: (_: D, props: NoInfer<P>) => E,
-            e: (_: E, props: NoInfer<P>) => F,
-            f: (_: F, props: NoInfer<P>) => G,
-            g: (_: G, props: NoInfer<P>) => H,
-            h: (_: H, props: NoInfer<P>) => I,
-        ): Component<P, Effect.Effect.Error<I>, Effect.Effect.Context<I>>
-        <Eff extends Utils.YieldWrap<Effect.Effect<any, any, any>>, A, B, C, D, E, F, G, H, I, J extends Effect.Effect<React.ReactNode, any, any>, P extends {} = {}>(
-            body: (props: P) => Generator<Eff, A, never>,
-            a: (
-                _: Effect.Effect<
-                    A,
-                    [Eff] extends [never] ? never : [Eff] extends [Utils.YieldWrap<Effect.Effect<infer _A, infer E, infer _R>>] ? E : never,
-                    [Eff] extends [never] ? never : [Eff] extends [Utils.YieldWrap<Effect.Effect<infer _A, infer _E, infer R>>] ? R : never
-                >,
-                props: NoInfer<P>,
-            ) => B,
-            b: (_: B, props: NoInfer<P>) => C,
-            c: (_: C, props: NoInfer<P>) => D,
-            d: (_: D, props: NoInfer<P>) => E,
-            e: (_: E, props: NoInfer<P>) => F,
-            f: (_: F, props: NoInfer<P>) => G,
-            g: (_: G, props: NoInfer<P>) => H,
-            h: (_: H, props: NoInfer<P>) => I,
-            i: (_: I, props: NoInfer<P>) => J,
-        ): Component<P, Effect.Effect.Error<J>, Effect.Effect.Context<J>>
-    }
-
-    export type NonGen = {
-        <Eff extends Effect.Effect<React.ReactNode, any, any>, P extends {} = {}>(
-            body: (props: P) => Eff
-        ): Component<P, Effect.Effect.Error<Eff>, Effect.Effect.Context<Eff>>
-        <Eff extends Effect.Effect<React.ReactNode, any, any>, A, P extends {} = {}>(
-            body: (props: P) => A,
-            a: (_: A, props: NoInfer<P>) => Eff,
-        ): Component<P, Effect.Effect.Error<Eff>, Effect.Effect.Context<Eff>>
-        <Eff extends Effect.Effect<React.ReactNode, any, any>, A, B, P extends {} = {}>(
-            body: (props: P) => A,
-            a: (_: A, props: NoInfer<P>) => B,
-            b: (_: B, props: NoInfer<P>) => Eff,
-        ): Component<P, Effect.Effect.Error<Eff>, Effect.Effect.Context<Eff>>
-        <Eff extends Effect.Effect<React.ReactNode, any, any>, A, B, C, P extends {} = {}>(
-            body: (props: P) => A,
-            a: (_: A, props: NoInfer<P>) => B,
-            b: (_: B, props: NoInfer<P>) => C,
-            c: (_: C, props: NoInfer<P>) => Eff,
-        ): Component<P, Effect.Effect.Error<Eff>, Effect.Effect.Context<Eff>>
-        <Eff extends Effect.Effect<React.ReactNode, any, any>, A, B, C, D, P extends {} = {}>(
-            body: (props: P) => A,
-            a: (_: A, props: NoInfer<P>) => B,
-            b: (_: B, props: NoInfer<P>) => C,
-            c: (_: C, props: NoInfer<P>) => D,
-            d: (_: D, props: NoInfer<P>) => Eff,
-        ): Component<P, Effect.Effect.Error<Eff>, Effect.Effect.Context<Eff>>
-        <Eff extends Effect.Effect<React.ReactNode, any, any>, A, B, C, D, E, P extends {} = {}>(
-            body: (props: P) => A,
-            a: (_: A, props: NoInfer<P>) => B,
-            b: (_: B, props: NoInfer<P>) => C,
-            c: (_: C, props: NoInfer<P>) => D,
-            d: (_: D, props: NoInfer<P>) => E,
-            e: (_: E, props: NoInfer<P>) => Eff,
-        ): Component<P, Effect.Effect.Error<Eff>, Effect.Effect.Context<Eff>>
-        <Eff extends Effect.Effect<React.ReactNode, any, any>, A, B, C, D, E, F, P extends {} = {}>(
-            body: (props: P) => A,
-            a: (_: A, props: NoInfer<P>) => B,
-            b: (_: B, props: NoInfer<P>) => C,
-            c: (_: C, props: NoInfer<P>) => D,
-            d: (_: D, props: NoInfer<P>) => E,
-            e: (_: E, props: NoInfer<P>) => F,
-            f: (_: F, props: NoInfer<P>) => Eff,
-        ): Component<P, Effect.Effect.Error<Eff>, Effect.Effect.Context<Eff>>
-        <Eff extends Effect.Effect<React.ReactNode, any, any>, A, B, C, D, E, F, G, P extends {} = {}>(
-            body: (props: P) => A,
-            a: (_: A, props: NoInfer<P>) => B,
-            b: (_: B, props: NoInfer<P>) => C,
-            c: (_: C, props: NoInfer<P>) => D,
-            d: (_: D, props: NoInfer<P>) => E,
-            e: (_: E, props: NoInfer<P>) => F,
-            f: (_: F, props: NoInfer<P>) => G,
-            g: (_: G, props: NoInfer<P>) => Eff,
-        ): Component<P, Effect.Effect.Error<Eff>, Effect.Effect.Context<Eff>>
-        <Eff extends Effect.Effect<React.ReactNode, any, any>, A, B, C, D, E, F, G, H, P extends {} = {}>(
-            body: (props: P) => A,
-            a: (_: A, props: NoInfer<P>) => B,
-            b: (_: B, props: NoInfer<P>) => C,
-            c: (_: C, props: NoInfer<P>) => D,
-            d: (_: D, props: NoInfer<P>) => E,
-            e: (_: E, props: NoInfer<P>) => F,
-            f: (_: F, props: NoInfer<P>) => G,
-            g: (_: G, props: NoInfer<P>) => H,
-            h: (_: H, props: NoInfer<P>) => Eff,
-        ): Component<P, Effect.Effect.Error<Eff>, Effect.Effect.Context<Eff>>
-        <Eff extends Effect.Effect<React.ReactNode, any, any>, A, B, C, D, E, F, G, H, I, P extends {} = {}>(
-            body: (props: P) => A,
-            a: (_: A, props: NoInfer<P>) => B,
-            b: (_: B, props: NoInfer<P>) => C,
-            c: (_: C, props: NoInfer<P>) => D,
-            d: (_: D, props: NoInfer<P>) => E,
-            e: (_: E, props: NoInfer<P>) => F,
-            f: (_: F, props: NoInfer<P>) => G,
-            g: (_: G, props: NoInfer<P>) => H,
-            h: (_: H, props: NoInfer<P>) => I,
-            i: (_: I, props: NoInfer<P>) => Eff,
-        ): Component<P, Effect.Effect.Error<Eff>, Effect.Effect.Context<Eff>>
-    }
-}
-
-export const make: (
-    & make.Gen
-    & make.NonGen
-    & ((
-        spanName: string,
-        spanOptions?: Tracer.SpanOptions,
-    ) => make.Gen & make.NonGen)
-) = (spanNameOrBody: Function | string, ...pipeables: any[]): any => {
-    if (typeof spanNameOrBody !== "string") {
-        const displayName = displayNameFromBody(spanNameOrBody)
-        return Object.setPrototypeOf(
-            Object.assign(function() {}, defaultOptions, {
-                body: displayName
-                    ? Effect.fn(displayName)(spanNameOrBody as any, ...pipeables as [])
-                    : Effect.fn(spanNameOrBody as any, ...pipeables),
-                displayName,
-            }),
-            ComponentProto,
-        )
-    }
-    else {
-        const spanOptions = pipeables[0]
-        return (body: any, ...pipeables: any[]) => Object.setPrototypeOf(
-            Object.assign(function() {}, defaultOptions, {
-                body: Effect.fn(spanNameOrBody, spanOptions)(body, ...pipeables as []),
-                displayName: displayNameFromBody(body) ?? spanNameOrBody,
-            }),
-            ComponentProto,
-        )
-    }
-}
-
-export const makeUntraced: make.Gen & make.NonGen = (
-    body: Function,
-    ...pipeables: any[]
-) => Object.setPrototypeOf(
     Object.assign(function() {}, defaultOptions, {
-        body: Effect.fnUntraced(body as any, ...pipeables as []),
+        body,
-        displayName: displayNameFromBody(body),
+        displayName: !String.isEmpty(body.name) ? body.name : undefined,
     }),
     ComponentProto,
 )
 
-const displayNameFromBody = (body: Function) => !String.isEmpty(body.name) ? body.name : undefined
+export const withFunctionComponentSignature: {
+    <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
 
 export const withOptions: {
     <T extends Component<any, any, any>>(
@@ -367,17 +137,17 @@ export const withOptions: {
 ))
 
 export const withRuntime: {
-    <P extends {}, E, R>(
+    <F extends FunctionComponent, E, R>(
         context: React.Context<Runtime.Runtime<R>>,
-    ): (self: Component<P, E, R>) => React.FC<P>
+    ): (self: Component<F, E, Types.NoInfer<R>>) => F
-    <P extends {}, E, R>(
+    <F extends FunctionComponent, E, R>(
-        self: Component<P, E, R>,
+        self: Component<F, E, Types.NoInfer<R>>,
         context: React.Context<Runtime.Runtime<R>>,
-    ): React.FC<P>
+    ): F
-} = Function.dual(2, <P extends {}, E, R>(
+} = Function.dual(2, <F extends FunctionComponent, E, R>(
-    self: Component<P, E, R>,
+    self: Component<F, E, R>,
     context: React.Context<Runtime.Runtime<R>>,
-): React.FC<P> => function WithRuntime(props) {
+) => function WithRuntime(props: FunctionComponent.Props<F>) {
     return React.createElement(
         Runtime.runSync(React.useContext(context))(self),
         props,

packages/effect-fc/src/Hook.ts

@@ -1,302 +0,0 @@
-import { type Context, Effect, Equivalence, ExecutionStrategy, Exit, type Layer, Option, pipe, PubSub, Ref, Runtime, Scope, Stream, SubscriptionRef } from "effect"
-import * as React from "react"
-import { SetStateAction } from "./types/index.js"
-
-
-export interface ScopeOptions {
-    readonly finalizerExecutionMode?: "sync" | "fork"
-    readonly finalizerExecutionStrategy?: ExecutionStrategy.ExecutionStrategy
-}
-
-
-export const useScope: {
-    (
-        deps: React.DependencyList,
-        options?: ScopeOptions,
-    ): Effect.Effect<Scope.Scope>
-} = Effect.fn("useScope")(function*(deps, options) {
-    const runtime = yield* Effect.runtime()
-
-    const [isInitialRun, initialScope] = React.useMemo(() => Runtime.runSync(runtime)(Effect.all([
-        Ref.make(true),
-        Scope.make(options?.finalizerExecutionStrategy ?? ExecutionStrategy.sequential),
-    ])), [])
-    const [scope, setScope] = React.useState(initialScope)
-
-    React.useEffect(() => Runtime.runSync(runtime)(
-        Effect.if(isInitialRun, {
-            onTrue: () => Effect.as(
-                Ref.set(isInitialRun, false),
-                () => closeScope(scope, runtime, options),
-            ),
-
-            onFalse: () => Scope.make(options?.finalizerExecutionStrategy ?? ExecutionStrategy.sequential).pipe(
-                Effect.tap(scope => Effect.sync(() => setScope(scope))),
-                Effect.map(scope => () => closeScope(scope, runtime, options)),
-            ),
-        })
-    ), deps)
-
-    return scope
-})
-
-const closeScope = (
-    scope: Scope.CloseableScope,
-    runtime: Runtime.Runtime<never>,
-    options?: ScopeOptions,
-) => {
-    switch (options?.finalizerExecutionMode ?? "sync") {
-        case "sync":
-            Runtime.runSync(runtime)(Scope.close(scope, Exit.void))
-            break
-        case "fork":
-            Runtime.runFork(runtime)(Scope.close(scope, Exit.void))
-            break
-    }
-}
-
-
-export const useCallbackSync: {
-    <Args extends unknown[], A, E, R>(
-        callback: (...args: Args) => Effect.Effect<A, E, R>,
-        deps: React.DependencyList,
-    ): Effect.Effect<(...args: Args) => A, never, R>
-} = Effect.fn("useCallbackSync")(function* <Args extends unknown[], A, E, R>(
-    callback: (...args: Args) => Effect.Effect<A, E, R>,
-    deps: React.DependencyList,
-) {
-    const runtime = yield* Effect.runtime<R>()
-    return React.useCallback((...args: Args) => Runtime.runSync(runtime)(callback(...args)), deps)
-})
-
-export const useCallbackPromise: {
-    <Args extends unknown[], A, E, R>(
-        callback: (...args: Args) => Effect.Effect<A, E, R>,
-        deps: React.DependencyList,
-    ): Effect.Effect<(...args: Args) => Promise<A>, never, R>
-} = Effect.fn("useCallbackPromise")(function* <Args extends unknown[], A, E, R>(
-    callback: (...args: Args) => Effect.Effect<A, E, R>,
-    deps: React.DependencyList,
-) {
-    const runtime = yield* Effect.runtime<R>()
-    return React.useCallback((...args: Args) => Runtime.runPromise(runtime)(callback(...args)), deps)
-})
-
-
-export const useMemo: {
-    <A, E, R>(
-        factory: () => Effect.Effect<A, E, R>,
-        deps: React.DependencyList,
-    ): Effect.Effect<A, E, R>
-} = Effect.fn("useMemo")(function* <A, E, R>(
-    factory: () => Effect.Effect<A, E, R>,
-    deps: React.DependencyList,
-) {
-    const runtime = yield* Effect.runtime()
-    return yield* React.useMemo(() => Runtime.runSync(runtime)(Effect.cached(factory())), deps)
-})
-
-export const useOnce: {
-    <A, E, R>(factory: () => Effect.Effect<A, E, R>): Effect.Effect<A, E, R>
-} = Effect.fn("useOnce")(function* <A, E, R>(
-    factory: () => Effect.Effect<A, E, R>
-) {
-    return yield* useMemo(factory, [])
-})
-
-
-export const useEffect: {
-    <E, R>(
-        effect: () => Effect.Effect<void, E, R>,
-        deps?: React.DependencyList,
-        options?: ScopeOptions,
-    ): Effect.Effect<void, never, Exclude<R, Scope.Scope>>
-} = Effect.fn("useEffect")(function* <E, R>(
-    effect: () => Effect.Effect<void, E, R>,
-    deps?: React.DependencyList,
-    options?: ScopeOptions,
-) {
-    const runtime = yield* Effect.runtime<Exclude<R, Scope.Scope>>()
-
-    React.useEffect(() => Effect.Do.pipe(
-        Effect.bind("scope", () => Scope.make(options?.finalizerExecutionStrategy ?? ExecutionStrategy.sequential)),
-        Effect.bind("exit", ({ scope }) => Effect.exit(Effect.provideService(effect(), Scope.Scope, scope))),
-        Effect.map(({ scope }) =>
-            () => closeScope(scope, runtime, options)
-        ),
-        Runtime.runSync(runtime),
-    ), deps)
-})
-
-export const useLayoutEffect: {
-    <E, R>(
-        effect: () => Effect.Effect<void, E, R>,
-        deps?: React.DependencyList,
-        options?: ScopeOptions,
-    ): Effect.Effect<void, never, Exclude<R, Scope.Scope>>
-} = Effect.fn("useLayoutEffect")(function* <E, R>(
-    effect: () => Effect.Effect<void, E, R>,
-    deps?: React.DependencyList,
-    options?: ScopeOptions,
-) {
-    const runtime = yield* Effect.runtime<Exclude<R, Scope.Scope>>()
-
-    React.useLayoutEffect(() => Effect.Do.pipe(
-        Effect.bind("scope", () => Scope.make(options?.finalizerExecutionStrategy ?? ExecutionStrategy.sequential)),
-        Effect.bind("exit", ({ scope }) => Effect.exit(Effect.provideService(effect(), Scope.Scope, scope))),
-        Effect.map(({ scope }) =>
-            () => closeScope(scope, runtime, options)
-        ),
-        Runtime.runSync(runtime),
-    ), deps)
-})
-
-export const useFork: {
-    <E, R>(
-        effect: () => Effect.Effect<void, E, R>,
-        deps?: React.DependencyList,
-        options?: Runtime.RunForkOptions & ScopeOptions,
-    ): Effect.Effect<void, never, Exclude<R, Scope.Scope>>
-} = Effect.fn("useFork")(function* <E, R>(
-    effect: () => Effect.Effect<void, E, R>,
-    deps?: React.DependencyList,
-    options?: Runtime.RunForkOptions & ScopeOptions,
-) {
-    const runtime = yield* Effect.runtime<Exclude<R, Scope.Scope>>()
-
-    React.useEffect(() => {
-        const scope = Runtime.runSync(runtime)(options?.scope
-            ? Scope.fork(options.scope, options?.finalizerExecutionStrategy ?? ExecutionStrategy.sequential)
-            : Scope.make(options?.finalizerExecutionStrategy ?? ExecutionStrategy.sequential)
-        )
-        Runtime.runFork(runtime)(Effect.provideService(effect(), Scope.Scope, scope), { ...options, scope })
-        return () => closeScope(scope, runtime, {
-            ...options,
-            finalizerExecutionMode: options?.finalizerExecutionMode ?? "fork",
-        })
-    }, deps)
-})
-
-
-export const useContext: {
-    <ROut, E, RIn>(
-        layer: Layer.Layer<ROut, E, RIn>,
-        options?: ScopeOptions,
-    ): Effect.Effect<Context.Context<ROut>, E, Exclude<RIn, Scope.Scope>>
-} = Effect.fn("useContext")(function* <ROut, E, RIn>(
-    layer: Layer.Layer<ROut, E, RIn>,
-    options?: ScopeOptions,
-) {
-    const scope = yield* useScope([layer], options)
-
-    return yield* useMemo(() => Effect.provideService(
-        Effect.provide(Effect.context<ROut>(), layer),
-        Scope.Scope,
-        scope,
-    ), [scope])
-})
-
-
-export const useRefFromReactiveValue: {
-    <A>(value: A): Effect.Effect<SubscriptionRef.SubscriptionRef<A>>
-} = Effect.fn("useRefFromReactiveValue")(function*(value) {
-    const ref = yield* useOnce(() => SubscriptionRef.make(value))
-    yield* useEffect(() => Ref.set(ref, value), [value])
-    return ref
-})
-
-export const useSubscribeRefs: {
-    <const Refs extends readonly SubscriptionRef.SubscriptionRef<any>[]>(
-        ...refs: Refs
-    ): Effect.Effect<{ [K in keyof Refs]: Effect.Effect.Success<Refs[K]> }>
-} = Effect.fn("useSubscribeRefs")(function* <const Refs extends readonly SubscriptionRef.SubscriptionRef<any>[]>(
-    ...refs: Refs
-) {
-    const [reactStateValue, setReactStateValue] = React.useState(yield* useOnce(() =>
-        Effect.all(refs as readonly SubscriptionRef.SubscriptionRef<any>[])
-    ))
-
-    yield* useFork(() => pipe(
-        refs.map(ref => Stream.changesWith(ref.changes, Equivalence.strict())),
-        streams => Stream.zipLatestAll(...streams),
-        Stream.runForEach(v =>
-            Effect.sync(() => setReactStateValue(v))
-        ),
-    ), refs)
-
-    return reactStateValue as any
-})
-
-export const useRefState: {
-    <A>(
-        ref: SubscriptionRef.SubscriptionRef<A>
-    ): Effect.Effect<readonly [A, React.Dispatch<React.SetStateAction<A>>]>
-} = Effect.fn("useRefState")(function* <A>(ref: SubscriptionRef.SubscriptionRef<A>) {
-    const [reactStateValue, setReactStateValue] = React.useState(yield* useOnce(() => ref))
-
-    yield* useFork(() => Stream.runForEach(
-        Stream.changesWith(ref.changes, Equivalence.strict()),
-        v => Effect.sync(() => setReactStateValue(v)),
-    ), [ref])
-
-    const setValue = yield* useCallbackSync((setStateAction: React.SetStateAction<A>) =>
-        Ref.update(ref, prevState =>
-            SetStateAction.value(setStateAction, prevState)
-        ),
-    [ref])
-
-    return [reactStateValue, setValue]
-})
-
-
-export const useStreamFromReactiveValues: {
-    <const A extends React.DependencyList>(
-        values: A
-    ): Effect.Effect<Stream.Stream<A>, never, Scope.Scope>
-} = Effect.fn("useStreamFromReactiveValues")(function* <const A extends React.DependencyList>(values: A) {
-    const { latest, pubsub, stream } = yield* useOnce(() => Effect.Do.pipe(
-        Effect.bind("latest", () => Ref.make(values)),
-        Effect.bind("pubsub", () => Effect.acquireRelease(PubSub.unbounded<A>(), PubSub.shutdown)),
-        Effect.let("stream", ({ latest, pubsub }) => latest.pipe(
-            Effect.flatMap(a => Effect.map(
-                Stream.fromPubSub(pubsub, { scoped: true }),
-                s => Stream.concat(Stream.make(a), s),
-            )),
-            Stream.unwrapScoped,
-        )),
-    ))
-
-    yield* useEffect(() => Ref.set(latest, values).pipe(
-        Effect.andThen(PubSub.publish(pubsub, values)),
-        Effect.unlessEffect(PubSub.isShutdown(pubsub)),
-    ), values)
-
-    return stream
-})
-
-export const useSubscribeStream: {
-    <A, E, R>(
-        stream: Stream.Stream<A, E, R>
-    ): Effect.Effect<Option.Option<A>, never, R>
-    <A extends NonNullable<unknown>, E, R>(
-        stream: Stream.Stream<A, E, R>,
-        initialValue: A,
-    ): Effect.Effect<Option.Some<A>, never, R>
-} = Effect.fn("useSubscribeStream")(function* <A extends NonNullable<unknown>, E, R>(
-    stream: Stream.Stream<A, E, R>,
-    initialValue?: A,
-) {
-    const [reactStateValue, setReactStateValue] = React.useState(
-        React.useMemo(() => initialValue
-            ? Option.some(initialValue)
-            : Option.none(),
-        [])
-    )
-
-    yield* useFork(() => Stream.runForEach(
-        Stream.changesWith(stream, Equivalence.strict()),
-        v => Effect.sync(() => setReactStateValue(Option.some(v))),
-    ), [stream])
-
-    return reactStateValue as Option.Some<A>
-})

packages/effect-fc/src/Memoized.ts

@@ -25,22 +25,22 @@ export const isMemoized = (u: unknown): u is Memoized<unknown> => Predicate.hasP
 
 export const memo = <T extends Component.Component<any, any, any>>(
     self: T
-): T & Memoized<Component.Component.Props<T>> => Object.setPrototypeOf(
+): T & Memoized<Component.FunctionComponent.Props<Component.Component.FunctionComponent<T>>> => Object.setPrototypeOf(
-    Object.assign(function() {}, self, MemoizedProto),
+    Object.assign(function() {}, self),
-    Object.getPrototypeOf(self),
+    Object.freeze({ ...Object.getPrototypeOf(self), ...MemoizedProto }),
 )
 
 export const withOptions: {
     <T extends Component.Component<any, any, any> & Memoized<any>>(
-        options: Partial<Memoized.Options<Component.Component.Props<T>>>
+        options: Partial<Memoized.Options<Component.FunctionComponent.Props<Component.Component.FunctionComponent<T>>>>
     ): (self: T) => T
     <T extends Component.Component<any, any, any> & Memoized<any>>(
         self: T,
-        options: Partial<Memoized.Options<Component.Component.Props<T>>>,
+        options: Partial<Memoized.Options<Component.FunctionComponent.Props<Component.Component.FunctionComponent<T>>>>,
     ): T
 } = Function.dual(2, <T extends Component.Component<any, any, any> & Memoized<any>>(
     self: T,
-    options: Partial<Memoized.Options<Component.Component.Props<T>>>,
+    options: Partial<Memoized.Options<Component.FunctionComponent.Props<Component.Component.FunctionComponent<T>>>>,
 ): T => Object.setPrototypeOf(
     Object.assign(function() {}, self, options),
     Object.getPrototypeOf(self),

packages/effect-fc/src/Suspense.ts

@@ -1,7 +1,6 @@
 import { Effect, Function, Predicate, Runtime, Scope } from "effect"
 import * as React from "react"
 import type * as Component from "./Component.js"
-import type { ExcludeKeys } from "./utils.js"
 
 
 export const TypeId: unique symbol = Symbol.for("effect-fc/Suspense")
@@ -22,16 +21,17 @@ export namespace Suspense {
 
 const SuspenseProto = Object.freeze({
     [TypeId]: TypeId,
-    makeFunctionComponent(
+
-        this: Component.Component<any, any, any> & Suspense,
+    makeFunctionComponent<F extends Component.FunctionComponent, E, R>(
-        runtimeRef: React.RefObject<Runtime.Runtime<any>>,
+        this: Component.Component<F, E, R> & Suspense,
+        runtimeRef: React.RefObject<Runtime.Runtime<Exclude<R, Scope.Scope>>>,
         scope: Scope.Scope,
-    ): React.FC<any> {
+    ) {
         const SuspenseInner = (props: { readonly promise: Promise<React.ReactNode> }) => React.use(props.promise)
 
         return ({ fallback, name, ...props }: Suspense.Props) => {
             const promise = Runtime.runPromise(runtimeRef.current)(
-                Effect.provideService(this.body(props), Scope.Scope, scope)
+                Effect.provideService(this.body(props as Component.FunctionComponent.Props<F>), Scope.Scope, scope)
             )
 
             return React.createElement(
@@ -46,15 +46,22 @@ const SuspenseProto = Object.freeze({
 
 export const isSuspense = (u: unknown): u is Suspense => Predicate.hasProperty(u, TypeId)
 
-export const suspense = <T extends Component.Component<P, any, any>, P extends {}>(
+export const suspense = <T extends Component.Component<any, any, any>>(
-    self: T & Component.Component<ExcludeKeys<P, keyof Suspense.Props>, any, any>
+    self: T
 ): (
-    & Omit<T, keyof Component.Component<P, Component.Component.Error<T>, Component.Component.Context<T>>>
+    & Omit<T, keyof Component.Component.AsComponent<T>>
-    & Component.Component<P & Suspense.Props, Component.Component.Error<T>, Component.Component.Context<T>>
+    & Component.Component<
+        Component.Component.FunctionComponent<T> extends (...args: readonly [infer P, ...infer Args]) => infer A
+            ? A extends React.ReactNode
+                ? (...args: readonly [props: P & Suspense.Props, ...Args]) => A
+                : never
+            : never,
+        Component.Component.Error<T>,
+        Component.Component.Context<T>>
     & Suspense
 ) => Object.setPrototypeOf(
-    Object.assign(function() {}, self, SuspenseProto),
+    Object.assign(function() {}, self),
-    Object.getPrototypeOf(self),
+    Object.freeze({ ...Object.getPrototypeOf(self), ...SuspenseProto }),
 )
 
 export const withOptions: {

packages/effect-fc/src/hooks/Hooks/ScopeOptions.ts

@@ -0,0 +1,7 @@
+import type { ExecutionStrategy } from "effect"
+
+
+export interface ScopeOptions {
+    readonly finalizerExecutionMode?: "sync" | "fork"
+    readonly finalizerExecutionStrategy?: ExecutionStrategy.ExecutionStrategy
+}

packages/effect-fc/src/hooks/Hooks/index.ts

@@ -0,0 +1,15 @@
+export * from "./ScopeOptions.js"
+export * from "./useCallbackPromise.js"
+export * from "./useCallbackSync.js"
+export * from "./useContext.js"
+export * from "./useEffect.js"
+export * from "./useInput.js"
+export * from "./useLayoutEffect.js"
+export * from "./useMemo.js"
+export * from "./useOnce.js"
+export * from "./useRefFromReactiveValue.js"
+export * from "./useRefState.js"
+export * from "./useScope.js"
+export * from "./useStreamFromReactiveValues.js"
+export * from "./useSubscribeRefs.js"
+export * from "./useSubscribeStream.js"

packages/effect-fc/src/hooks/Hooks/internal.ts

@@ -0,0 +1,18 @@
+import { Exit, Runtime, Scope } from "effect"
+import type { ScopeOptions } from "./ScopeOptions.js"
+
+
+export const closeScope = (
+    scope: Scope.CloseableScope,
+    runtime: Runtime.Runtime<never>,
+    options?: ScopeOptions,
+) => {
+    switch (options?.finalizerExecutionMode ?? "sync") {
+        case "sync":
+            Runtime.runSync(runtime)(Scope.close(scope, Exit.void))
+            break
+        case "fork":
+            Runtime.runFork(runtime)(Scope.close(scope, Exit.void))
+            break
+    }
+}

packages/effect-fc/src/hooks/Hooks/useCallbackPromise.ts

@@ -0,0 +1,18 @@
+import { Effect, Runtime } from "effect"
+import * as React from "react"
+
+
+export const useCallbackPromise: {
+    <Args extends unknown[], A, E, R>(
+        callback: (...args: Args) => Effect.Effect<A, E, R>,
+        deps: React.DependencyList,
+    ): Effect.Effect<(...args: Args) => Promise<A>, never, R>
+} = Effect.fnUntraced(function* <Args extends unknown[], A, E, R>(
+    callback: (...args: Args) => Effect.Effect<A, E, R>,
+    deps: React.DependencyList,
+) {
+    const runtimeRef = React.useRef<Runtime.Runtime<R>>(null!)
+    runtimeRef.current = yield* Effect.runtime<R>()
+
+    return React.useCallback((...args: Args) => Runtime.runPromise(runtimeRef.current)(callback(...args)), deps)
+})

packages/effect-fc/src/hooks/Hooks/useCallbackSync.ts

@@ -0,0 +1,18 @@
+import { Effect, Runtime } from "effect"
+import * as React from "react"
+
+
+export const useCallbackSync: {
+    <Args extends unknown[], A, E, R>(
+        callback: (...args: Args) => Effect.Effect<A, E, R>,
+        deps: React.DependencyList,
+    ): Effect.Effect<(...args: Args) => A, never, R>
+} = Effect.fnUntraced(function* <Args extends unknown[], A, E, R>(
+    callback: (...args: Args) => Effect.Effect<A, E, R>,
+    deps: React.DependencyList,
+) {
+    const runtimeRef = React.useRef<Runtime.Runtime<R>>(null!)
+    runtimeRef.current = yield* Effect.runtime<R>()
+
+    return React.useCallback((...args: Args) => Runtime.runSync(runtimeRef.current)(callback(...args)), deps)
+})

packages/effect-fc/src/hooks/Hooks/useContext.ts

@@ -0,0 +1,23 @@
+import { type Context, Effect, type Layer, Scope } from "effect"
+import type { ScopeOptions } from "./ScopeOptions.js"
+import { useMemo } from "./useMemo.js"
+import { useScope } from "./useScope.js"
+
+
+export const useContext: {
+    <ROut, E, RIn>(
+        layer: Layer.Layer<ROut, E, RIn>,
+        options?: ScopeOptions,
+    ): Effect.Effect<Context.Context<ROut>, E, Exclude<RIn, Scope.Scope>>
+} = Effect.fnUntraced(function* <ROut, E, RIn>(
+    layer: Layer.Layer<ROut, E, RIn>,
+    options?: ScopeOptions,
+) {
+    const scope = yield* useScope([layer], options)
+
+    return yield* useMemo(() => Effect.provideService(
+        Effect.provide(Effect.context<ROut>(), layer),
+        Scope.Scope,
+        scope,
+    ), [scope])
+})

packages/effect-fc/src/hooks/Hooks/useEffect.ts

@@ -0,0 +1,28 @@
+import { Effect, ExecutionStrategy, Runtime, Scope } from "effect"
+import * as React from "react"
+import type { ScopeOptions } from "./ScopeOptions.js"
+import { closeScope } from "./internal.js"
+
+
+export const useEffect: {
+    <E, R>(
+        effect: () => Effect.Effect<void, E, R>,
+        deps?: React.DependencyList,
+        options?: ScopeOptions,
+    ): Effect.Effect<void, never, Exclude<R, Scope.Scope>>
+} = Effect.fnUntraced(function* <E, R>(
+    effect: () => Effect.Effect<void, E, R>,
+    deps?: React.DependencyList,
+    options?: ScopeOptions,
+) {
+    const runtime = yield* Effect.runtime<Exclude<R, Scope.Scope>>()
+
+    React.useEffect(() => Effect.Do.pipe(
+        Effect.bind("scope", () => Scope.make(options?.finalizerExecutionStrategy ?? ExecutionStrategy.sequential)),
+        Effect.bind("exit", ({ scope }) => Effect.exit(Effect.provideService(effect(), Scope.Scope, scope))),
+        Effect.map(({ scope }) =>
+            () => closeScope(scope, runtime, options)
+        ),
+        Runtime.runSync(runtime),
+    ), deps)
+})

packages/effect-fc/src/hooks/Hooks/useFork.ts

@@ -0,0 +1,31 @@
+import { Effect, ExecutionStrategy, Runtime, Scope } from "effect"
+import * as React from "react"
+import { closeScope } from "./internal.js"
+import type { ScopeOptions } from "./ScopeOptions.js"
+
+
+export const useFork: {
+    <E, R>(
+        effect: () => Effect.Effect<void, E, R>,
+        deps?: React.DependencyList,
+        options?: Runtime.RunForkOptions & ScopeOptions,
+    ): Effect.Effect<void, never, Exclude<R, Scope.Scope>>
+} = Effect.fnUntraced(function* <E, R>(
+    effect: () => Effect.Effect<void, E, R>,
+    deps?: React.DependencyList,
+    options?: Runtime.RunForkOptions & ScopeOptions,
+) {
+    const runtime = yield* Effect.runtime<Exclude<R, Scope.Scope>>()
+
+    React.useEffect(() => {
+        const scope = Runtime.runSync(runtime)(options?.scope
+            ? Scope.fork(options.scope, options?.finalizerExecutionStrategy ?? ExecutionStrategy.sequential)
+            : Scope.make(options?.finalizerExecutionStrategy ?? ExecutionStrategy.sequential)
+        )
+        Runtime.runFork(runtime)(Effect.provideService(effect(), Scope.Scope, scope), { ...options, scope })
+        return () => closeScope(scope, runtime, {
+            ...options,
+            finalizerExecutionMode: options?.finalizerExecutionMode ?? "fork",
+        })
+    }, deps)
+})

packages/effect-fc/src/hooks/Hooks/useInput.ts

@@ -0,0 +1,59 @@
+import { type Duration, Effect, flow, identity, Option, type ParseResult, Ref, Schema, Stream, SubscriptionRef, type Types } from "effect"
+import * as React from "react"
+import { useCallbackSync } from "./useCallbackSync.js"
+import { useFork } from "./useFork.js"
+import { useOnce } from "./useOnce.js"
+import { useSubscribeRefs } from "./useSubscribeRefs.js"
+
+
+export namespace useInput {
+    export interface Options<A, R> {
+        readonly ref: SubscriptionRef.SubscriptionRef<A>
+        readonly schema: Schema.Schema<Types.NoInfer<A>, string, R>
+        readonly debounce?: Duration.Duration
+    }
+
+    export interface Result {
+        readonly value: string
+        readonly onChange: React.ChangeEventHandler<HTMLInputElement | HTMLTextAreaElement>
+        readonly error: Option.Option<ParseResult.ParseError>
+    }
+}
+
+export const useInput: {
+    <A, R>(options: useInput.Options<A, R>): Effect.Effect<useInput.Result, ParseResult.ParseError, R>
+} = Effect.fnUntraced(function* <A, R>(options: useInput.Options<A, R>) {
+    const internalRef = yield* useOnce(() => options.ref.pipe(
+        Effect.andThen(Schema.encode(options.schema)),
+        Effect.andThen(SubscriptionRef.make),
+    ))
+    const [error, setError] = React.useState(Option.none<ParseResult.ParseError>())
+
+    yield* useFork(() => Effect.all([
+        Stream.runForEach(options.ref.changes, upstreamValue =>
+            Effect.andThen(internalRef, internalValue =>
+                upstreamValue !== internalValue
+                    ? Effect.andThen(Schema.encode(options.schema)(upstreamValue), v => Ref.set(internalRef, v))
+                    : Effect.void
+            )
+        ),
+
+        Stream.runForEach(
+            internalRef.changes.pipe(options.debounce ? Stream.debounce(options.debounce) : identity),
+            flow(
+                Schema.decode(options.schema),
+                Effect.andThen(v => Ref.set(options.ref, v)),
+                Effect.andThen(() => setError(Option.none())),
+                Effect.catchTag("ParseError", e => Effect.sync(() => setError(Option.some(e)))),
+            ),
+        ),
+    ], { concurrency: "unbounded" }), [options.ref, options.schema, options.debounce, internalRef])
+
+    const [value] = yield* useSubscribeRefs(internalRef)
+    const onChange = yield* useCallbackSync((e: React.ChangeEvent<HTMLInputElement>) => Ref.set(
+        internalRef,
+        e.target.value,
+    ), [internalRef])
+
+    return { value, onChange, error }
+})

packages/effect-fc/src/hooks/Hooks/useLayoutEffect.ts

@@ -0,0 +1,28 @@
+import { Effect, ExecutionStrategy, Runtime, Scope } from "effect"
+import * as React from "react"
+import type { ScopeOptions } from "./ScopeOptions.js"
+import { closeScope } from "./internal.js"
+
+
+export const useLayoutEffect: {
+    <E, R>(
+        effect: () => Effect.Effect<void, E, R>,
+        deps?: React.DependencyList,
+        options?: ScopeOptions,
+    ): Effect.Effect<void, never, Exclude<R, Scope.Scope>>
+} = Effect.fnUntraced(function* <E, R>(
+    effect: () => Effect.Effect<void, E, R>,
+    deps?: React.DependencyList,
+    options?: ScopeOptions,
+) {
+    const runtime = yield* Effect.runtime<Exclude<R, Scope.Scope>>()
+
+    React.useLayoutEffect(() => Effect.Do.pipe(
+        Effect.bind("scope", () => Scope.make(options?.finalizerExecutionStrategy ?? ExecutionStrategy.sequential)),
+        Effect.bind("exit", ({ scope }) => Effect.exit(Effect.provideService(effect(), Scope.Scope, scope))),
+        Effect.map(({ scope }) =>
+            () => closeScope(scope, runtime, options)
+        ),
+        Runtime.runSync(runtime),
+    ), deps)
+})

packages/effect-fc/src/hooks/Hooks/useMemo.ts

@@ -0,0 +1,16 @@
+import { Effect, Runtime } from "effect"
+import * as React from "react"
+
+
+export const useMemo: {
+    <A, E, R>(
+        factory: () => Effect.Effect<A, E, R>,
+        deps: React.DependencyList,
+    ): Effect.Effect<A, E, R>
+} = Effect.fnUntraced(function* <A, E, R>(
+    factory: () => Effect.Effect<A, E, R>,
+    deps: React.DependencyList,
+) {
+    const runtime = yield* Effect.runtime()
+    return yield* React.useMemo(() => Runtime.runSync(runtime)(Effect.cached(factory())), deps)
+})

packages/effect-fc/src/hooks/Hooks/useOnce.ts

@@ -0,0 +1,11 @@
+import { Effect } from "effect"
+import { useMemo } from "./useMemo.js"
+
+
+export const useOnce: {
+    <A, E, R>(factory: () => Effect.Effect<A, E, R>): Effect.Effect<A, E, R>
+} = Effect.fnUntraced(function* <A, E, R>(
+    factory: () => Effect.Effect<A, E, R>
+) {
+    return yield* useMemo(factory, [])
+})

packages/effect-fc/src/hooks/Hooks/useRefFromReactiveValue.ts

@@ -0,0 +1,12 @@
+import { Effect, Ref, SubscriptionRef } from "effect"
+import { useEffect } from "./useEffect.js"
+import { useOnce } from "./useOnce.js"
+
+
+export const useRefFromReactiveValue: {
+    <A>(value: A): Effect.Effect<SubscriptionRef.SubscriptionRef<A>>
+} = Effect.fnUntraced(function*(value) {
+    const ref = yield* useOnce(() => SubscriptionRef.make(value))
+    yield* useEffect(() => Ref.set(ref, value), [value])
+    return ref
+})

packages/effect-fc/src/hooks/Hooks/useRefState.ts

@@ -0,0 +1,28 @@
+import { Effect, Equivalence, Ref, Stream, SubscriptionRef } from "effect"
+import * as React from "react"
+import { SetStateAction } from "../../types/index.js"
+import { useCallbackSync } from "./useCallbackSync.js"
+import { useFork } from "./useFork.js"
+import { useOnce } from "./useOnce.js"
+
+
+export const useRefState: {
+    <A>(
+        ref: SubscriptionRef.SubscriptionRef<A>
+    ): Effect.Effect<readonly [A, React.Dispatch<React.SetStateAction<A>>]>
+} = Effect.fnUntraced(function* <A>(ref: SubscriptionRef.SubscriptionRef<A>) {
+    const [reactStateValue, setReactStateValue] = React.useState(yield* useOnce(() => ref))
+
+    yield* useFork(() => Stream.runForEach(
+        Stream.changesWith(ref.changes, Equivalence.strict()),
+        v => Effect.sync(() => setReactStateValue(v)),
+    ), [ref])
+
+    const setValue = yield* useCallbackSync((setStateAction: React.SetStateAction<A>) =>
+        Ref.update(ref, prevState =>
+            SetStateAction.value(setStateAction, prevState)
+        ),
+    [ref])
+
+    return [reactStateValue, setValue]
+})

packages/effect-fc/src/hooks/Hooks/useScope.ts

@@ -0,0 +1,36 @@
+import { Effect, ExecutionStrategy, Ref, Runtime, Scope } from "effect"
+import * as React from "react"
+import type { ScopeOptions } from "./ScopeOptions.js"
+import { closeScope } from "./internal.js"
+
+
+export const useScope: {
+    (
+        deps: React.DependencyList,
+        options?: ScopeOptions,
+    ): Effect.Effect<Scope.Scope>
+} = Effect.fnUntraced(function*(deps, options) {
+    const runtime = yield* Effect.runtime()
+
+    const [isInitialRun, initialScope] = React.useMemo(() => Runtime.runSync(runtime)(Effect.all([
+        Ref.make(true),
+        Scope.make(options?.finalizerExecutionStrategy ?? ExecutionStrategy.sequential),
+    ])), [])
+    const [scope, setScope] = React.useState(initialScope)
+
+    React.useEffect(() => Runtime.runSync(runtime)(
+        Effect.if(isInitialRun, {
+            onTrue: () => Effect.as(
+                Ref.set(isInitialRun, false),
+                () => closeScope(scope, runtime, options),
+            ),
+
+            onFalse: () => Scope.make(options?.finalizerExecutionStrategy ?? ExecutionStrategy.sequential).pipe(
+                Effect.tap(scope => Effect.sync(() => setScope(scope))),
+                Effect.map(scope => () => closeScope(scope, runtime, options)),
+            ),
+        })
+    ), deps)
+
+    return scope
+})

packages/effect-fc/src/hooks/Hooks/useStreamFromReactiveValues.ts

@@ -0,0 +1,30 @@
+import { Effect, PubSub, Ref, Scope, Stream } from "effect"
+import * as React from "react"
+import { useEffect } from "./useEffect.js"
+import { useOnce } from "./useOnce.js"
+
+
+export const useStreamFromReactiveValues: {
+    <const A extends React.DependencyList>(
+        values: A
+    ): Effect.Effect<Stream.Stream<A>, never, Scope.Scope>
+} = Effect.fnUntraced(function* <const A extends React.DependencyList>(values: A) {
+    const { latest, pubsub, stream } = yield* useOnce(() => Effect.Do.pipe(
+        Effect.bind("latest", () => Ref.make(values)),
+        Effect.bind("pubsub", () => Effect.acquireRelease(PubSub.unbounded<A>(), PubSub.shutdown)),
+        Effect.let("stream", ({ latest, pubsub }) => latest.pipe(
+            Effect.flatMap(a => Effect.map(
+                Stream.fromPubSub(pubsub, { scoped: true }),
+                s => Stream.concat(Stream.make(a), s),
+            )),
+            Stream.unwrapScoped,
+        )),
+    ))
+
+    yield* useEffect(() => Ref.set(latest, values).pipe(
+        Effect.andThen(PubSub.publish(pubsub, values)),
+        Effect.unlessEffect(PubSub.isShutdown(pubsub)),
+    ), values)
+
+    return stream
+})

packages/effect-fc/src/hooks/Hooks/useSubscribeRefs.ts

@@ -0,0 +1,27 @@
+import { Effect, Equivalence, pipe, Stream, SubscriptionRef } from "effect"
+import * as React from "react"
+import { useFork } from "./useFork.js"
+import { useOnce } from "./useOnce.js"
+
+
+export const useSubscribeRefs: {
+    <const Refs extends readonly SubscriptionRef.SubscriptionRef<any>[]>(
+        ...refs: Refs
+    ): Effect.Effect<{ [K in keyof Refs]: Effect.Effect.Success<Refs[K]> }>
+} = Effect.fnUntraced(function* <const Refs extends readonly SubscriptionRef.SubscriptionRef<any>[]>(
+    ...refs: Refs
+) {
+    const [reactStateValue, setReactStateValue] = React.useState(yield* useOnce(() =>
+        Effect.all(refs as readonly SubscriptionRef.SubscriptionRef<any>[])
+    ))
+
+    yield* useFork(() => pipe(
+        refs.map(ref => Stream.changesWith(ref.changes, Equivalence.strict())),
+        streams => Stream.zipLatestAll(...streams),
+        Stream.runForEach(v =>
+            Effect.sync(() => setReactStateValue(v))
+        ),
+    ), refs)
+
+    return reactStateValue as any
+})

packages/effect-fc/src/hooks/Hooks/useSubscribeStream.ts

@@ -0,0 +1,31 @@
+import { Effect, Equivalence, Option, Stream } from "effect"
+import * as React from "react"
+import { useFork } from "./useFork.js"
+
+
+export const useSubscribeStream: {
+    <A, E, R>(
+        stream: Stream.Stream<A, E, R>
+    ): Effect.Effect<Option.Option<A>, never, R>
+    <A extends NonNullable<unknown>, E, R>(
+        stream: Stream.Stream<A, E, R>,
+        initialValue: A,
+    ): Effect.Effect<Option.Some<A>, never, R>
+} = Effect.fnUntraced(function* <A extends NonNullable<unknown>, E, R>(
+    stream: Stream.Stream<A, E, R>,
+    initialValue?: A,
+) {
+    const [reactStateValue, setReactStateValue] = React.useState(
+        React.useMemo(() => initialValue
+            ? Option.some(initialValue)
+            : Option.none(),
+        [])
+    )
+
+    yield* useFork(() => Stream.runForEach(
+        Stream.changesWith(stream, Equivalence.strict()),
+        v => Effect.sync(() => setReactStateValue(Option.some(v))),
+    ), [stream])
+
+    return reactStateValue as Option.Some<A>
+})

packages/effect-fc/src/hooks/index.ts

@@ -0,0 +1,2 @@
+export * from "./Hooks/index.js"
+export * as Hooks from "./Hooks/index.js"

packages/effect-fc/src/index.ts

@@ -1,5 +1,4 @@
 export * as Component from "./Component.js"
-export * as Hook from "./Hook.js"
 export * as Memoized from "./Memoized.js"
 export * as ReactManagedRuntime from "./ReactManagedRuntime.js"
 export * as Suspense from "./Suspense.js"

packages/effect-fc/src/types/SubscriptionSubRef.ts

@@ -5,7 +5,8 @@ import * as PropertyPath from "./PropertyPath.js"
 export const SubscriptionSubRefTypeId: unique symbol = Symbol.for("effect-fc/types/SubscriptionSubRef")
 export type SubscriptionSubRefTypeId = typeof SubscriptionSubRefTypeId
 
-export interface SubscriptionSubRef<in out A, in out B> extends SubscriptionSubRef.Variance<A, B>, SubscriptionRef.SubscriptionRef<A> {
+export interface SubscriptionSubRef<in out A, in out B extends SubscriptionRef.SubscriptionRef<any>>
+extends SubscriptionSubRef.Variance<A, B>, SubscriptionRef.SubscriptionRef<A> {
     readonly parent: SubscriptionRef.SubscriptionRef<B>
 
     readonly [Unify.typeSymbol]?: unknown
@@ -36,7 +37,8 @@ const synchronizedRefVariance = { _A: (_: any) => _ }
 const subscriptionRefVariance = { _A: (_: any) => _ }
 const subscriptionSubRefVariance = { _A: (_: any) => _, _B: (_: any) => _ }
 
-class SubscriptionSubRefImpl<in out A, in out B> extends Effectable.Class<A> implements SubscriptionSubRef<A, B> {
+class SubscriptionSubRefImpl<in out A, in out B extends SubscriptionRef.SubscriptionRef<any>>
+extends Effectable.Class<A> implements SubscriptionSubRef<A, B> {
     readonly [Readable.TypeId]: Readable.TypeId = Readable.TypeId
     readonly [Subscribable.TypeId]: Subscribable.TypeId = Subscribable.TypeId
     readonly [Ref.RefTypeId] = refVariance
@@ -47,9 +49,9 @@ class SubscriptionSubRefImpl<in out A, in out B> extends Effectable.Class<A> imp
     readonly get: Effect.Effect<A>
 
     constructor(
-        readonly parent: SubscriptionRef.SubscriptionRef<B>,
+        readonly parent: B,
-        readonly getter: (parentValue: B) => A,
+        readonly getter: (parentValue: Effect.Effect.Success<B>) => A,
-        readonly setter: (parentValue: B, value: A) => B,
+        readonly setter: (parentValue: Effect.Effect.Success<B>, value: A) => Effect.Effect.Success<B>,
     ) {
         super()
         this.get = Effect.map(this.parent, this.getter)
@@ -60,12 +62,11 @@ class SubscriptionSubRefImpl<in out A, in out B> extends Effectable.Class<A> imp
     }
 
     get changes(): Stream.Stream<A> {
-        return this.get.pipe(
+        return Stream.unwrap(
-            Effect.map(a => this.parent.changes.pipe(
+            Effect.map(this.get, a => Stream.concat(
-                Stream.map(this.getter),
+                Stream.make(a),
-                s => Stream.concat(Stream.make(a), s),
+                Stream.map(this.parent.changes, this.getter),
-            )),
+            ))
-            Stream.unwrap,
         )
     }
 
@@ -75,7 +76,7 @@ class SubscriptionSubRefImpl<in out A, in out B> extends Effectable.Class<A> imp
 
     modifyEffect<C, E, R>(f: (a: A) => Effect.Effect<readonly [C, A], E, R>): Effect.Effect<C, E, R> {
         return Effect.Do.pipe(
-            Effect.bind("b", () => Ref.get(this.parent)),
+            Effect.bind("b", (): Effect.Effect<Effect.Effect.Success<B>> => this.parent),
             Effect.bind("ca", ({ b }) => f(this.getter(b))),
             Effect.tap(({ b, ca: [, a] }) => Ref.set(this.parent, this.setter(b, a))),
             Effect.map(({ ca: [c] }) => c),
@@ -84,28 +85,46 @@ class SubscriptionSubRefImpl<in out A, in out B> extends Effectable.Class<A> imp
 }
 
 
-export const makeFromGetSet = <A, B>(
+export const makeFromGetSet = <A, B extends SubscriptionRef.SubscriptionRef<any>>(
-    parent: SubscriptionRef.SubscriptionRef<B>,
+    parent: B,
     options: {
-        readonly get: (parentValue: B) => A
+        readonly get: (parentValue: Effect.Effect.Success<B>) => A
-        readonly set: (parentValue: B, value: A) => B
+        readonly set: (parentValue: Effect.Effect.Success<B>, value: A) => Effect.Effect.Success<B>
     },
 ): SubscriptionSubRef<A, B> => new SubscriptionSubRefImpl(parent, options.get, options.set)
 
-export const makeFromPath = <B, const P extends PropertyPath.Paths<B>>(
+export const makeFromPath = <
-    parent: SubscriptionRef.SubscriptionRef<B>,
+    B extends SubscriptionRef.SubscriptionRef<any>,
+    const P extends PropertyPath.Paths<Effect.Effect.Success<B>>,
+>(
+    parent: B,
     path: P,
-): SubscriptionSubRef<PropertyPath.ValueFromPath<B, P>, B> => new SubscriptionSubRefImpl(
+): SubscriptionSubRef<PropertyPath.ValueFromPath<Effect.Effect.Success<B>, P>, B> => new SubscriptionSubRefImpl(
     parent,
     parentValue => Option.getOrThrow(PropertyPath.get(parentValue, path)),
     (parentValue, value) => Option.getOrThrow(PropertyPath.immutableSet(parentValue, path, value)),
 )
 
-export const makeFromChunkRef = <A>(
+export const makeFromChunkRef: {
-    parent: SubscriptionRef.SubscriptionRef<Chunk.Chunk<A>>,
+    <B extends SubscriptionRef.SubscriptionRef<Chunk.NonEmptyChunk<any>>>(
+        parent: B,
+        index: number,
+    ): SubscriptionSubRef<
+        Effect.Effect.Success<B> extends Chunk.NonEmptyChunk<infer A> ? A : never,
+        B
+    >
+    <B extends SubscriptionRef.SubscriptionRef<Chunk.Chunk<any>>>(
+        parent: B,
+        index: number,
+    ): SubscriptionSubRef<
+        Effect.Effect.Success<B> extends Chunk.Chunk<infer A> ? A : never,
+        B
+    >
+} = (
+    parent: SubscriptionRef.SubscriptionRef<Chunk.Chunk<any>>,
     index: number,
-): SubscriptionSubRef<A, Chunk.Chunk<A>> => new SubscriptionSubRefImpl(
+) => new SubscriptionSubRefImpl(
     parent,
     parentValue => Chunk.unsafeGet(parentValue, index),
     (parentValue, value) => Chunk.replace(parentValue, index, value),
-)
+) as any

packages/example/src/lib/TextInput.tsx

@@ -0,0 +1,22 @@
+import { TextField } from "@radix-ui/themes"
+import { Effect, Schema } from "effect"
+import { Component } from "effect-fc"
+import { useInput } from "effect-fc/hooks"
+
+
+export namespace TextInput {
+    export interface Props<A, R> extends Omit<useInput.Options<A, R>, "schema">, TextField.RootProps {}
+}
+
+export const TextInput = <A, R>(schema: Schema.Schema<A, string, R>) => Component.make(
+    Effect.fnUntraced(function*(props: TextInput.Props<A, R>) {
+        const input = yield* useInput({ ...props, schema })
+        return (
+            <TextField.Root
+                {...props}
+            >
+
+            </TextField.Root>
+        )
+    })
+)

packages/example/src/routes/dev/async-rendering.tsx

@@ -2,13 +2,14 @@ import { runtime } from "@/runtime"
 import { Flex, Text, TextField } from "@radix-ui/themes"
 import { createFileRoute } from "@tanstack/react-router"
 import { GetRandomValues, makeUuid4 } from "@typed/id"
-import { Effect } from "effect"
+import { Effect, Types } from "effect"
-import { Component, Hook, Memoized, Suspense } from "effect-fc"
+import { Component, Memoized, Suspense } from "effect-fc"
+import { Hooks } from "effect-fc/hooks"
 import * as React from "react"
 
 
 // Generator version
-const RouteComponent = Component.make(function* AsyncRendering() {
+const RouteComponent = Component.make(Effect.fnUntraced(function* AsyncRendering() {
     const MemoizedAsyncComponentFC = yield* MemoizedAsyncComponent
     const AsyncComponentFC = yield* AsyncComponent
     const [input, setInput] = React.useState("")
@@ -24,7 +25,7 @@ const RouteComponent = Component.make(function* AsyncRendering() {
             <AsyncComponentFC />
         </Flex>
     )
-}).pipe(
+})).pipe(
     Component.withRuntime(runtime.context)
 )
 
@@ -50,7 +51,7 @@ const RouteComponent = Component.make(function* AsyncRendering() {
 // )
 
 
-class AsyncComponent extends Component.make(function* AsyncComponent() {
+class AsyncComponent extends Component.make(Effect.fnUntraced(function* AsyncComponent() {
     const SubComponentFC = yield* SubComponent
 
     yield* Effect.sleep("500 millis") // Async operation
@@ -62,16 +63,18 @@ class AsyncComponent extends Component.make(function* AsyncComponent() {
             <SubComponentFC />
         </Flex>
     )
-}).pipe(
+})).pipe(
-    Suspense.suspense,
+    // Suspense.suspense,
-    Suspense.withOptions({ defaultFallback: <p>Loading...</p> }),
+    // Suspense.withOptions({ defaultFallback: <p>Loading...</p> }),
 ) {}
+const AsyncComponent2 = Suspense.withOptions(Suspense.suspense(AsyncComponent), {})
+type T = Types.Simplify<typeof AsyncComponent2>
 class MemoizedAsyncComponent extends Memoized.memo(AsyncComponent) {}
 
-class SubComponent extends Component.make(function* SubComponent() {
+class SubComponent extends Component.make(Effect.fnUntraced(function* SubComponent() {
-    const [state] = React.useState(yield* Hook.useOnce(() => Effect.provide(makeUuid4, GetRandomValues.CryptoRandom)))
+    const [state] = React.useState(yield* Hooks.useOnce(() => Effect.provide(makeUuid4, GetRandomValues.CryptoRandom)))
     return <Text>{state}</Text>
-}) {}
+})) {}
 
 export const Route = createFileRoute("/dev/async-rendering")({
     component: RouteComponent

packages/example/src/routes/dev/memo.tsx

@@ -7,7 +7,7 @@ import { Component, Memoized } from "effect-fc"
 import * as React from "react"
 
 
-const RouteComponent = Component.make(function* RouteComponent() {
+const RouteComponent = Component.make(Effect.fnUntraced(function* RouteComponent() {
     const [value, setValue] = React.useState("")
 
     return (
@@ -21,14 +21,14 @@ const RouteComponent = Component.make(function* RouteComponent() {
             {yield* Effect.map(MemoizedSubComponent, FC => <FC />)}
         </Flex>
     )
-}).pipe(
+})).pipe(
     Component.withRuntime(runtime.context)
 )
 
-class SubComponent extends Component.make(function* SubComponent() {
+class SubComponent extends Component.make(Effect.fnUntraced(function* SubComponent() {
     const id = yield* makeUuid4.pipe(Effect.provide(GetRandomValues.CryptoRandom))
     return <Text>{id}</Text>
-}) {}
+})) {}
 
 class MemoizedSubComponent extends Memoized.memo(SubComponent) {}
 

packages/example/src/routes/index.tsx

@@ -3,18 +3,19 @@ import { Todos } from "@/todo/Todos"
 import { TodosState } from "@/todo/TodosState.service"
 import { createFileRoute } from "@tanstack/react-router"
 import { Effect } from "effect"
-import { Component, Hook } from "effect-fc"
+import { Component } from "effect-fc"
+import { Hooks } from "effect-fc/hooks"
 
 
 const TodosStateLive = TodosState.Default("todos")
 
 export const Route = createFileRoute("/")({
-    component: Component.make(function* Index() {
+    component: Component.make(Effect.fnUntraced(function* Index() {
         return yield* Todos.pipe(
             Effect.map(FC => <FC />),
-            Effect.provide(yield* Hook.useContext(TodosStateLive, { finalizerExecutionMode: "fork" })),
+            Effect.provide(yield* Hooks.useContext(TodosStateLive, { finalizerExecutionMode: "fork" })),
         )
-    }).pipe(
+    })).pipe(
         Component.withRuntime(runtime.context)
     )
 })

packages/example/src/todo/Todo.tsx

@@ -1,8 +1,9 @@
 import * as Domain from "@/domain"
-import { Box, Button, Flex, IconButton, TextArea } from "@radix-ui/themes"
+import { Box, Button, Callout, Flex, IconButton, Text, TextArea } from "@radix-ui/themes"
 import { GetRandomValues, makeUuid4 } from "@typed/id"
-import { Chunk, Effect, Match, Option, Ref, Runtime, SubscriptionRef } from "effect"
+import { Chunk, Effect, Match, Option, ParseResult, Ref, Runtime, Schema, SubscriptionRef } from "effect"
-import { Component, Hook, Memoized } from "effect-fc"
+import { Component, Memoized } from "effect-fc"
+import { Hooks } from "effect-fc/hooks"
 import { SubscriptionSubRef } from "effect-fc/types"
 import { FaArrowDown, FaArrowUp } from "react-icons/fa"
 import { FaDeleteLeft } from "react-icons/fa6"
@@ -24,11 +25,11 @@ export type TodoProps = (
     | { readonly _tag: "edit", readonly index: number }
 )
 
-export class Todo extends Component.make(function* Todo(props: TodoProps) {
+export class Todo extends Component.make(Effect.fnUntraced(function* Todo(props: TodoProps) {
     const runtime = yield* Effect.runtime()
     const state = yield* TodosState
 
-    const [ref, contentRef] = yield* Hook.useMemo(() => Match.value(props).pipe(
+    const [ref, contentRef] = yield* Hooks.useMemo(() => Match.value(props).pipe(
         Match.tag("new", () => Effect.andThen(makeTodo, SubscriptionRef.make)),
         Match.tag("edit", ({ index }) => Effect.succeed(SubscriptionSubRef.makeFromChunkRef(state.ref, index))),
         Match.exhaustive,
@@ -39,15 +40,26 @@ export class Todo extends Component.make(function* Todo(props: TodoProps) {
         ] as const),
     ), [props._tag, props.index])
 
-    const [content, size] = yield* Hook.useSubscribeRefs(contentRef, state.sizeRef)
+    const [size] = yield* Hooks.useSubscribeRefs(state.sizeRef)
+    const contentInput = yield* Hooks.useInput({ ref: contentRef, schema: Schema.Any })
 
     return (
         <Flex direction="column" align="stretch" gap="2">
+            {Option.isSome(contentInput.error) &&
+                <Callout.Root color="red">
+                    <Callout.Text>
+                        {ParseResult.ArrayFormatter.formatErrorSync(contentInput.error.value).map(e => <>
+                            <Text>&bull; {e.message}</Text><br />
+                        </>)}
+                    </Callout.Text>
+                </Callout.Root>
+            }
+
             <Flex direction="row" align="center" gap="2">
                 <Box flexGrow="1">
                     <TextArea
-                        value={content}
+                        value={contentInput.value}
-                        onChange={e => Runtime.runSync(runtime)(Ref.set(contentRef, e.target.value))}
+                        onChange={contentInput.onChange}
                     />
                 </Box>
 
@@ -110,6 +122,6 @@ export class Todo extends Component.make(function* Todo(props: TodoProps) {
             }
         </Flex>
     )
-}).pipe(
+})).pipe(
     Memoized.memo
 ) {}

packages/example/src/todo/Todos.tsx

@@ -1,15 +1,16 @@
 import { Container, Flex, Heading } from "@radix-ui/themes"
 import { Chunk, Console, Effect } from "effect"
-import { Component, Hook } from "effect-fc"
+import { Component } from "effect-fc"
+import { Hooks } from "effect-fc/hooks"
 import { Todo } from "./Todo"
 import { TodosState } from "./TodosState.service"
 
 
-export class Todos extends Component.make(function* Todos() {
+export class Todos extends Component.make(Effect.fnUntraced(function* Todos() {
     const state = yield* TodosState
-    const [todos] = yield* Hook.useSubscribeRefs(state.ref)
+    const [todos] = yield* Hooks.useSubscribeRefs(state.ref)
 
-    yield* Hook.useOnce(() => Effect.andThen(
+    yield* Hooks.useOnce(() => Effect.andThen(
         Console.log("Todos mounted"),
         Effect.addFinalizer(() => Console.log("Todos unmounted")),
     ))
@@ -29,4 +30,4 @@ export class Todos extends Component.make(function* Todos() {
             </Flex>
         </Container>
     )
-}) {}
+})) {}