0.1.10 (#13)

Co-authored-by: Julien Valverdé <julien.valverde@mailo.com>
Reviewed-on: https://gitea:3000/Thilawyn/reffuse/pulls/13

packages/example/src/routes/streams/pull.tsx

@@ -0,0 +1,34 @@
+import { R } from "@/reffuse"
+import { Button, Flex, Text } from "@radix-ui/themes"
+import { createFileRoute } from "@tanstack/react-router"
+import { Chunk, Effect, Exit, Option, Queue, Random, Scope, Stream } from "effect"
+import { useMemo, useState } from "react"
+
+
+export const Route = createFileRoute("/streams/pull")({
+    component: RouteComponent
+})
+
+function RouteComponent() {
+    const stream = useMemo(() => Stream.repeatEffect(Random.nextInt), [])
+    const streamScope = R.useScope([stream], { finalizerExecutionMode: "fork" })
+
+    const queue = R.useMemo(() => Effect.provideService(Stream.toQueueOfElements(stream), Scope.Scope, streamScope), [streamScope])
+
+    const [value, setValue] = useState(Option.none<number>())
+    const pullLatest = R.useCallbackSync(() => Queue.takeAll(queue).pipe(
+        Effect.flatMap(Chunk.last),
+        Effect.flatMap(Exit.matchEffect({
+            onSuccess: Effect.succeed,
+            onFailure: Effect.fail,
+        })),
+        Effect.tap(v => Effect.sync(() => setValue(Option.some(v)))),
+    ), [queue])
+
+    return (
+        <Flex direction="column" align="center" gap="2">
+            {Option.isSome(value) && <Text>{value.value}</Text>}
+            <Button onClick={pullLatest}>Pull latest</Button>
+        </Flex>
+    )
+}