Working query

packages/example/src/routeTree.gen.ts

@@ -10,6 +10,7 @@
 
 import { Route as rootRouteImport } from './routes/__root'
 import { Route as ResultRouteImport } from './routes/result'
+import { Route as QueryRouteImport } from './routes/query'
 import { Route as FormRouteImport } from './routes/form'
 import { Route as BlankRouteImport } from './routes/blank'
 import { Route as IndexRouteImport } from './routes/index'
@@ -22,6 +23,11 @@ const ResultRoute = ResultRouteImport.update({
   path: '/result',
   getParentRoute: () => rootRouteImport,
 } as any)
+const QueryRoute = QueryRouteImport.update({
+  id: '/query',
+  path: '/query',
+  getParentRoute: () => rootRouteImport,
+} as any)
 const FormRoute = FormRouteImport.update({
   id: '/form',
   path: '/form',
@@ -57,6 +63,7 @@ export interface FileRoutesByFullPath {
   '/': typeof IndexRoute
   '/blank': typeof BlankRoute
   '/form': typeof FormRoute
+  '/query': typeof QueryRoute
   '/result': typeof ResultRoute
   '/dev/async-rendering': typeof DevAsyncRenderingRoute
   '/dev/context': typeof DevContextRoute
@@ -66,6 +73,7 @@ export interface FileRoutesByTo {
   '/': typeof IndexRoute
   '/blank': typeof BlankRoute
   '/form': typeof FormRoute
+  '/query': typeof QueryRoute
   '/result': typeof ResultRoute
   '/dev/async-rendering': typeof DevAsyncRenderingRoute
   '/dev/context': typeof DevContextRoute
@@ -76,6 +84,7 @@ export interface FileRoutesById {
   '/': typeof IndexRoute
   '/blank': typeof BlankRoute
   '/form': typeof FormRoute
+  '/query': typeof QueryRoute
   '/result': typeof ResultRoute
   '/dev/async-rendering': typeof DevAsyncRenderingRoute
   '/dev/context': typeof DevContextRoute
@@ -87,6 +96,7 @@ export interface FileRouteTypes {
     | '/'
     | '/blank'
     | '/form'
+    | '/query'
     | '/result'
     | '/dev/async-rendering'
     | '/dev/context'
@@ -96,6 +106,7 @@ export interface FileRouteTypes {
     | '/'
     | '/blank'
     | '/form'
+    | '/query'
     | '/result'
     | '/dev/async-rendering'
     | '/dev/context'
@@ -105,6 +116,7 @@ export interface FileRouteTypes {
     | '/'
     | '/blank'
     | '/form'
+    | '/query'
     | '/result'
     | '/dev/async-rendering'
     | '/dev/context'
@@ -115,6 +127,7 @@ export interface RootRouteChildren {
   IndexRoute: typeof IndexRoute
   BlankRoute: typeof BlankRoute
   FormRoute: typeof FormRoute
+  QueryRoute: typeof QueryRoute
   ResultRoute: typeof ResultRoute
   DevAsyncRenderingRoute: typeof DevAsyncRenderingRoute
   DevContextRoute: typeof DevContextRoute
@@ -130,6 +143,13 @@ declare module '@tanstack/react-router' {
       preLoaderRoute: typeof ResultRouteImport
       parentRoute: typeof rootRouteImport
     }
+    '/query': {
+      id: '/query'
+      path: '/query'
+      fullPath: '/query'
+      preLoaderRoute: typeof QueryRouteImport
+      parentRoute: typeof rootRouteImport
+    }
     '/form': {
       id: '/form'
       path: '/form'
@@ -179,6 +199,7 @@ const rootRouteChildren: RootRouteChildren = {
   IndexRoute: IndexRoute,
   BlankRoute: BlankRoute,
   FormRoute: FormRoute,
+  QueryRoute: QueryRoute,
   ResultRoute: ResultRoute,
   DevAsyncRenderingRoute: DevAsyncRenderingRoute,
   DevContextRoute: DevContextRoute,

packages/example/src/routes/query.tsx

@@ -0,0 +1,76 @@
+import { HttpClient, type HttpClientError } from "@effect/platform"
+import { Container, Heading, Slider, Text } from "@radix-ui/themes"
+import { createFileRoute } from "@tanstack/react-router"
+import { Array, Cause, Chunk, Console, Effect, flow, Match, Option, Schema, Stream } from "effect"
+import { Component, ErrorObserver, Query, Subscribable, SubscriptionRef } from "effect-fc"
+import { runtime } from "@/runtime"
+
+
+const Post = Schema.Struct({
+    userId: Schema.Int,
+    id: Schema.Int,
+    title: Schema.String,
+    body: Schema.String,
+})
+
+const ResultView = Component.makeUntraced("Result")(function*() {
+    const [idRef, query] = yield* Component.useOnMount(() => Effect.gen(function*() {
+        const idRef = yield* SubscriptionRef.make(1)
+        const key = Stream.zipLatest(Stream.make("posts" as const), idRef.changes)
+
+        const query = yield* Query.service({
+            key,
+            f: ([, id]) => HttpClient.HttpClient.pipe(
+                Effect.tap(Effect.sleep("250 millis")),
+                Effect.andThen(client => client.get(`https://jsonplaceholder.typicode.com/posts/${ id }`)),
+                Effect.andThen(response => response.json),
+                Effect.andThen(Schema.decodeUnknown(Post)),
+            ),
+        })
+
+        return [idRef, query] as const
+    }))
+
+    const [id, setId] = yield* SubscriptionRef.useSubscriptionRefState(idRef)
+    const [result] = yield* Subscribable.useSubscribables([query.result])
+
+    yield* Component.useOnMount(() => ErrorObserver.ErrorObserver<HttpClientError.HttpClientError>().pipe(
+        Effect.andThen(observer => observer.subscribe),
+        Effect.andThen(Stream.fromQueue),
+        Stream.unwrapScoped,
+        Stream.runForEach(flow(
+            Cause.failures,
+            Chunk.findFirst(e => e._tag === "RequestError" || e._tag === "ResponseError"),
+            Option.match({
+                onSome: e => Console.log("ResultView HttpClient error", e),
+                onNone: () => Effect.void,
+            }),
+        )),
+        Effect.forkScoped,
+    ))
+
+    return (
+        <Container>
+            <Slider
+                value={[id]}
+                onValueChange={flow(Array.head, Option.getOrThrow, setId)}
+            />
+
+            {Match.value(result).pipe(
+                Match.tag("Running", () => <Text>Loading...</Text>),
+                Match.tag("Success", result => <>
+                    <Heading>{result.value.title}</Heading>
+                    <Text>{result.value.body}</Text>
+                </>),
+                Match.tag("Failure", result =>
+                    <Text>An error has occured: {result.cause.toString()}</Text>
+                ),
+                Match.orElse(() => <></>),
+            )}
+        </Container>
+    )
+})
+
+export const Route = createFileRoute("/query")({
+    component: Component.withRuntime(ResultView, runtime.context)
+})

packages/example/src/routes/result.tsx

@@ -14,12 +14,12 @@ const Post = Schema.Struct({
 })
 
 const ResultView = Component.makeUntraced("Result")(function*() {
-    const resultSubscribable = yield* Component.useOnMount(() => HttpClient.HttpClient.pipe(
+    const [resultSubscribable] = yield* Component.useOnMount(() => HttpClient.HttpClient.pipe(
         Effect.andThen(client => client.get("https://jsonplaceholder.typicode.com/posts/1")),
         Effect.andThen(response => response.json),
         Effect.andThen(Schema.decodeUnknown(Post)),
         Effect.tap(Effect.sleep("250 millis")),
-        Result.forkEffectSubscriptionRef,
+        Result.forkEffect,
     ))
     const [result] = yield* Subscribable.useSubscribables([resultSubscribable])