Files
effect-fc/packages/example/src/todo/Todo.tsx
Julien Valverdé 8c1fed7800
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Component refactoring
2025-09-24 00:41:42 +02:00

113 lines
4.6 KiB
TypeScript

import * as Domain from "@/domain"
import { TextAreaInput } from "@/lib/input/TextAreaInput"
import { TextFieldInput } from "@/lib/input/TextFieldInput"
import { DateTimeUtcFromZonedInput } from "@/lib/schema"
import { Box, Button, Flex, IconButton } from "@radix-ui/themes"
import { GetRandomValues, makeUuid4 } from "@typed/id"
import { Chunk, DateTime, Effect, Match, Option, Ref, Runtime, Schema, Stream, SubscriptionRef } from "effect"
import { Component, Memo } from "effect-fc"
import { useMemo, useOnce, useSubscribe } from "effect-fc/hooks"
import { Subscribable, SubscriptionSubRef } from "effect-fc/types"
import { FaArrowDown, FaArrowUp } from "react-icons/fa"
import { FaDeleteLeft } from "react-icons/fa6"
import { TodosState } from "./TodosState.service"
const StringTextAreaInput = TextAreaInput({ schema: Schema.String })
const OptionalDateTimeInput = TextFieldInput({ optional: true, schema: DateTimeUtcFromZonedInput })
const makeTodo = makeUuid4.pipe(
Effect.map(id => Domain.Todo.Todo.make({
id,
content: "",
completedAt: Option.none(),
})),
Effect.provide(GetRandomValues.CryptoRandom),
)
export type TodoProps = (
| { readonly _tag: "new" }
| { readonly _tag: "edit", readonly id: string }
)
export class Todo extends Component.makeUntraced("Todo")(function*(props: TodoProps) {
const runtime = yield* Effect.runtime()
const state = yield* TodosState
const { ref, indexRef, contentRef, completedAtRef } = yield* useMemo(() => Match.value(props).pipe(
Match.tag("new", () => Effect.Do.pipe(
Effect.bind("ref", () => Effect.andThen(makeTodo, SubscriptionRef.make)),
Effect.let("indexRef", () => Subscribable.make({ get: Effect.succeed(-1), changes: Stream.empty })),
)),
Match.tag("edit", ({ id }) => Effect.Do.pipe(
Effect.let("ref", () => state.getElementRef(id)),
Effect.let("indexRef", () => state.getIndexSubscribable(id)),
)),
Match.exhaustive,
Effect.let("contentRef", ({ ref }) => SubscriptionSubRef.makeFromPath(ref, ["content"])),
Effect.let("completedAtRef", ({ ref }) => SubscriptionSubRef.makeFromPath(ref, ["completedAt"])),
// eslint-disable-next-line react-hooks/exhaustive-deps
), [props._tag, props._tag === "edit" ? props.id : undefined])
const [index, size] = yield* useSubscribe(indexRef, state.sizeSubscribable)
const StringTextAreaInputFC = yield* StringTextAreaInput
const OptionalDateTimeInputFC = yield* OptionalDateTimeInput
return (
<Flex direction="row" align="center" gap="2">
<Box flexGrow="1">
<Flex direction="column" align="stretch" gap="2">
<StringTextAreaInputFC ref={contentRef} />
<Flex direction="row" justify="center" align="center" gap="2">
<OptionalDateTimeInputFC
type="datetime-local"
ref={completedAtRef}
defaultValue={yield* useOnce(() => DateTime.now)}
/>
{props._tag === "new" &&
<Button
onClick={() => ref.pipe(
Effect.andThen(todo => Ref.update(state.ref, Chunk.prepend(todo))),
Effect.andThen(makeTodo),
Effect.andThen(todo => Ref.set(ref, todo)),
Runtime.runSync(runtime),
)}
>
Add
</Button>
}
</Flex>
</Flex>
</Box>
{props._tag === "edit" &&
<Flex direction="column" justify="center" align="center" gap="1">
<IconButton
disabled={index <= 0}
onClick={() => Runtime.runSync(runtime)(state.moveLeft(props.id))}
>
<FaArrowUp />
</IconButton>
<IconButton
disabled={index >= size - 1}
onClick={() => Runtime.runSync(runtime)(state.moveRight(props.id))}
>
<FaArrowDown />
</IconButton>
<IconButton onClick={() => Runtime.runSync(runtime)(state.remove(props.id))}>
<FaDeleteLeft />
</IconButton>
</Flex>
}
</Flex>
)
}).pipe(Memo.memo) {}