Merge branch 'next' of git.valverde.cloud:Thilawyn/effect-fc into next
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This commit is contained in:
Julien Valverdé
2025-07-06 18:29:19 +02:00

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@@ -2,16 +2,15 @@ import { Todo } from "@/domain"
import { KeyValueStore } from "@effect/platform"
import { BrowserKeyValueStore } from "@effect/platform-browser"
import { Chunk, Console, Effect, Option, Schema, Stream, SubscriptionRef } from "effect"
import { SubscriptionSubRef } from "effect-fc/types"
export class TodosState extends Effect.Service<TodosState>()("TodosState", {
effect: Effect.fnUntraced(function*(key: string) {
effect: Effect.fn("TodosState")(function*(key: string) {
const kv = yield* KeyValueStore.KeyValueStore
const readFromLocalStorage = Console.log("Reading todos from local storage...").pipe(
Effect.andThen(kv.get(key)),
Effect.flatMap(Option.match({
Effect.andThen(Option.match({
onSome: Schema.decode(
Schema.parseJson(Schema.Chunk(Todo.TodoFromJson))
),
@@ -22,7 +21,7 @@ export class TodosState extends Effect.Service<TodosState>()("TodosState", {
const saveToLocalStorage = (todos: Chunk.Chunk<Todo.Todo>) => Effect.andThen(
Console.log("Saving todos to local storage..."),
Chunk.isNonEmpty(todos)
? Effect.flatMap(
? Effect.andThen(
Schema.encode(
Schema.parseJson(Schema.Chunk(Todo.TodoFromJson))
)(todos),
@@ -33,21 +32,16 @@ export class TodosState extends Effect.Service<TodosState>()("TodosState", {
const ref = yield* SubscriptionRef.make(yield* readFromLocalStorage)
const makeSubRef = (index: number) => SubscriptionSubRef.makeFromGetSet(ref, {
get: parent => Chunk.unsafeGet(parent, index),
set: (parent, v) => Chunk.replace(parent, index, v),
})
yield* Effect.forkScoped(ref.changes.pipe(
Stream.debounce("500 millis"),
Stream.runForEach(saveToLocalStorage),
))
yield* Effect.addFinalizer(() => ref.pipe(
Effect.flatMap(saveToLocalStorage),
Effect.andThen(saveToLocalStorage),
Effect.ignore,
))
return { ref, makeSubRef } as const
return { ref } as const
}),
dependencies: [BrowserKeyValueStore.layerLocalStorage],