Thilawyn
9a3c91b50b
Co-authored-by: Julien Valverdé <julien.valverde@mailo.com> Reviewed-on: Thilawyn/effect-fc#5
26 lines
982 B
TypeScript
26 lines
982 B
TypeScript
import { type Context, Effect, Layer, ManagedRuntime, Scope } from "effect"
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import type { ScopeOptions } from "./ScopeOptions.js"
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import { useMemo } from "./useMemo.js"
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import { useScope } from "./useScope.js"
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export const useContext: {
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<ROut, E, RIn>(
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layer: Layer.Layer<ROut, E, RIn>,
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options?: ScopeOptions,
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): Effect.Effect<Context.Context<ROut>, E, RIn>
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} = Effect.fnUntraced(function* <ROut, E, RIn>(
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layer: Layer.Layer<ROut, E, RIn>,
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options?: ScopeOptions,
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) {
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const scope = yield* useScope([layer], options)
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return yield* useMemo(() => Effect.context<RIn>().pipe(
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Effect.map(context => ManagedRuntime.make(Layer.provide(layer, Layer.succeedContext(context)))),
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Effect.tap(runtime => Effect.addFinalizer(() => runtime.disposeEffect)),
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Effect.andThen(runtime => runtime.runtimeEffect),
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Effect.andThen(runtime => runtime.context),
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Effect.provideService(Scope.Scope, scope),
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), [scope])
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})
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