Function transform

packages/core/src/plugin/promise.ts:37–43

(domain: {
            transform: (
              callback: (draft: Draft) => Effect.Effect<void> | void,
            ) => Effect.Effect<HostRegistration, never, Scope.Scope>
          })

        const transform =
          <Draft>(domain: {
            transform: (
              callback: (draft: Draft) => Effect.Effect<void> | void,
            ) => Effect.Effect<HostRegistration, never, Scope.Scope>
          }) =>
          (callback: (draft: Draft) => Promise<void> | void) =>
            register(domain.transform((draft) => Effect.promise(() => Promise.resolve(callback(draft)))))

        const context2: PluginContext = {
          options: host.options,