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@@ -1 +1,37 @@
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-export * as Env from "./env"
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+import { Context, Effect, Layer } from "effect"
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+import { InstanceState } from "@/effect"
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+
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+type State = Record<string, string | undefined>
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+
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+export interface Interface {
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+ readonly get: (key: string) => Effect.Effect<string | undefined>
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+ readonly all: () => Effect.Effect<State>
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+ readonly set: (key: string, value: string) => Effect.Effect<void>
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+ readonly remove: (key: string) => Effect.Effect<void>
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+}
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+
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+export class Service extends Context.Service<Service, Interface>()("@opencode/Env") {}
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+
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+export const layer = Layer.effect(
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+ Service,
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+ Effect.gen(function* () {
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+ const state = yield* InstanceState.make<State>(Effect.fn("Env.state")(() => Effect.succeed({ ...process.env })))
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+
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+ const get = Effect.fn("Env.get")((key: string) => InstanceState.use(state, (env) => env[key]))
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+ const all = Effect.fn("Env.all")(() => InstanceState.get(state))
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+ const set = Effect.fn("Env.set")(function* (key: string, value: string) {
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+ const env = yield* InstanceState.get(state)
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+ env[key] = value
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+ })
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+ const remove = Effect.fn("Env.remove")(function* (key: string) {
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+ const env = yield* InstanceState.get(state)
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+ delete env[key]
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+ })
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+
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+ return Service.of({ get, all, set, remove })
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+ }),
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+)
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+
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+export const defaultLayer = layer
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+
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+export * as Env from "."
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