Thilawyn
e5d0808b02
Co-authored-by: Renovate Bot <renovate-bot@valverde.cloud> Co-authored-by: Julien Valverdé <julien.valverde@mailo.com> Reviewed-on: #49
34 lines
1.0 KiB
TypeScript
34 lines
1.0 KiB
TypeScript
import { Effect, Equivalence, Option, Stream } from "effect"
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import * as React from "react"
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import * as Component from "./Component.js"
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export const use: {
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<A, E, R>(
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stream: Stream.Stream<A, E, R>
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): Effect.Effect<Option.Option<A>, never, R>
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<A extends NonNullable<unknown>, E, R>(
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stream: Stream.Stream<A, E, R>,
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initialValue: A,
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): Effect.Effect<Option.Some<A>, never, R>
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} = Effect.fnUntraced(function* <A extends NonNullable<unknown>, E, R>(
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stream: Stream.Stream<A, E, R>,
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initialValue?: A,
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) {
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const [reactStateValue, setReactStateValue] = React.useState(() => initialValue
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? Option.some(initialValue)
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: Option.none()
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)
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yield* Component.useReactEffect(() => Effect.forkScoped(
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Stream.runForEach(
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Stream.changesWith(stream, Equivalence.strict()),
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v => Effect.sync(() => setReactStateValue(Option.some(v))),
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)
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), [stream])
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return reactStateValue as Option.Some<A>
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})
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export * from "effect/Stream"
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