Julien Valverdé
24 lines
738 B
TypeScript
24 lines
738 B
TypeScript
import { type Context, Effect, type Layer, 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, Exclude<RIn, Scope.Scope>>
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} = Effect.fn("useContext")(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.provideService(
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Effect.provide(Effect.context<ROut>(), layer),
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Scope.Scope,
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scope,
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), [scope])
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})
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