54 lines
2.3 KiB
TypeScript
54 lines
2.3 KiB
TypeScript
import { Effect, Equivalence, Stream } from "effect"
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import { Subscribable } from "effect-lens"
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import * as React from "react"
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import * as Component from "./Component.js"
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export * from "effect-lens/Subscribable"
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export const zipLatestAll = <const T extends readonly Subscribable.Subscribable<any, any, any>[]>(
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...elements: T
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): Subscribable.Subscribable<
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[T[number]] extends [never]
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? never
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: { [K in keyof T]: T[K] extends Subscribable.Subscribable<infer A, infer _E, infer _R> ? A : never },
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[T[number]] extends [never] ? never : T[number] extends Subscribable.Subscribable<infer _A, infer E, infer _R> ? E : never,
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[T[number]] extends [never] ? never : T[number] extends Subscribable.Subscribable<infer _A, infer _E, infer R> ? R : never
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> => Subscribable.make({
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get: Effect.all(elements.map(v => v.get)),
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changes: Stream.zipLatestAll(...elements.map(v => v.changes)),
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}) as any
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export declare namespace useAll {
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export type Success<T extends readonly Subscribable.Subscribable<any, any, any>[]> = [T[number]] extends [never]
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? never
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: { [K in keyof T]: T[K] extends Subscribable.Subscribable<infer A, infer _E, infer _R> ? A : never }
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export interface Options<A> {
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readonly equivalence?: Equivalence.Equivalence<A>
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}
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}
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export const useAll = Effect.fnUntraced(function* <const T extends readonly Subscribable.Subscribable<any, any, any>[]>(
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elements: T,
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options?: useAll.Options<useAll.Success<NoInfer<T>>>,
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): Effect.fn.Return<
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useAll.Success<T>,
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[T[number]] extends [never] ? never : T[number] extends Subscribable.Subscribable<infer _A, infer E, infer _R> ? E : never,
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[T[number]] extends [never] ? never : T[number] extends Subscribable.Subscribable<infer _A, infer _E, infer R> ? R : never
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> {
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const [reactStateValue, setReactStateValue] = React.useState(
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yield* Component.useOnMount(() => Effect.all(elements.map(v => v.get)))
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)
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yield* Component.useReactEffect(() => Stream.zipLatestAll(...elements.map(ref => ref.changes)).pipe(
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Stream.changesWith((options?.equivalence as Equivalence.Equivalence<any[]> | undefined) ?? Equivalence.array(Equivalence.strict())),
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Stream.runForEach(v =>
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Effect.sync(() => setReactStateValue(v))
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),
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Effect.forkScoped,
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), elements)
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return reactStateValue as any
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})
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