Function handlerLayer

packages/effect/test/unstable/eventlog/EventLog.test.ts:20–27

(handled: Ref.Ref<ReadonlyArray<string>>)

const schema = EventLog.schema(UserGroup)

const handlerLayer = (handled: Ref.Ref<ReadonlyArray<string>>) =>
  EventLog.group(
    UserGroup,
    (handlers) =>
      handlers.handle("UserCreated", ({ payload }) => Ref.update(handled, (values) => [...values, payload.id]))
  ).pipe(
    Layer.provide(EventLog.layerRegistry)
  )

const logLayer = (handled: Ref.Ref<ReadonlyArray<string>>) =>
  EventLog.layer(schema, handlerLayer(handled)).pipe(