72 lines
2.2 KiB
TypeScript
72 lines
2.2 KiB
TypeScript
import { HttpClient } from "@effect/platform"
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import { Container, Flex, Heading, Slider, Text, TextField } from "@radix-ui/themes"
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import { createFileRoute } from "@tanstack/react-router"
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import { Array, Effect, flow, Option, Schema } from "effect"
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import { Async, Component, Memoized } from "effect-fc"
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import * as React from "react"
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import { runtime } from "@/runtime"
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const Post = Schema.Struct({
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userId: Schema.Int,
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id: Schema.Int,
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title: Schema.String,
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body: Schema.String,
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})
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interface AsyncFetchPostViewProps {
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readonly id: number
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}
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class AsyncFetchPostView extends Component.make("AsyncFetchPostView")(function*(props: AsyncFetchPostViewProps) {
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const post = yield* Component.useOnChange(() => HttpClient.HttpClient.pipe(
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Effect.tap(Effect.sleep("500 millis")),
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Effect.andThen(client => client.get(`https://jsonplaceholder.typicode.com/posts/${ props.id }`)),
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Effect.andThen(response => response.json),
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Effect.andThen(Schema.decodeUnknown(Post)),
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), [props.id])
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return (
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<div>
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<Heading>{post.title}</Heading>
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<Text>{post.body}</Text>
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</div>
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)
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}).pipe(
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Async.async,
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Async.withOptions({ defaultFallback: <Text>Default fallback</Text> }),
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Memoized.memoized,
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) {}
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const AsyncRouteComponent = Component.make("AsyncRouteView")(function*() {
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const [text, setText] = React.useState("Typing here should not trigger a refetch of the post")
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const [id, setId] = React.useState(1)
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const AsyncFetchPost = yield* AsyncFetchPostView.use
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return (
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<Container>
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<Flex direction="column" align="stretch" gap="2">
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<TextField.Root
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value={text}
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onChange={e => setText(e.currentTarget.value)}
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/>
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<Slider
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value={[id]}
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onValueChange={flow(Array.head, Option.getOrThrow, setId)}
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/>
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<AsyncFetchPost id={id} fallback={<Text>Loading post...</Text>} />
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</Flex>
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</Container>
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)
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}).pipe(
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Component.withRuntime(runtime.context)
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)
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export const Route = createFileRoute("/async")({
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component: AsyncRouteComponent,
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})
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