refactor(core): separate out location node functionality and integrate into v2 (#34119)

packages/core/src/effect/layer-node-platform.ts

@@ -3,16 +3,16 @@ import { LLMClient, RequestExecutor } from "@opencode-ai/llm/route"
 import { FileSystem, Path } from "effect"
 import { FetchHttpClient } from "effect/unstable/http"
 import { HttpClient } from "effect/unstable/http"
-import { LayerNode } from "./layer-node"
+import { makeGlobalNode } from "./node"
 
-export const filesystem = LayerNode.make({ service: FileSystem.FileSystem, layer: NodeFileSystem.layer, deps: [] })
-export const path = LayerNode.make({ service: Path.Path, layer: NodePath.layer, deps: [] })
-export const httpClient = LayerNode.make({ service: HttpClient.HttpClient, layer: FetchHttpClient.layer, deps: [] })
-export const requestExecutor = LayerNode.make({
+export const filesystem = makeGlobalNode({ service: FileSystem.FileSystem, layer: NodeFileSystem.layer, deps: [] })
+export const path = makeGlobalNode({ service: Path.Path, layer: NodePath.layer, deps: [] })
+export const httpClient = makeGlobalNode({ service: HttpClient.HttpClient, layer: FetchHttpClient.layer, deps: [] })
+export const requestExecutor = makeGlobalNode({
   service: RequestExecutor.Service,
   layer: RequestExecutor.layer,
   deps: [httpClient],
 })
-export const llmClient = LayerNode.make({ service: LLMClient.Service, layer: LLMClient.layer, deps: [requestExecutor] })
+export const llmClient = makeGlobalNode({ service: LLMClient.Service, layer: LLMClient.layer, deps: [requestExecutor] })
 
 export * as LayerNodePlatform from "./layer-node-platform"

packages/core/src/effect/layer-node.ts

@@ -1,248 +0,0 @@
-import { Brand, Context, Layer } from "effect"
-
-type RuntimeLayer = Layer.Layer<never, unknown, unknown>
-type AnyNode = Node<unknown, unknown, any>
-type NodeList<Item extends AnyNode = AnyNode> = readonly [] | readonly [Item, ...Item[]]
-type Output<Item> = [Item] extends [never] ? never : Item extends Node<infer A, unknown, any> ? A : never
-type Error<Item> = [Item] extends [never] ? never : Item extends Node<unknown, infer E, any> ? E : never
-type Missing<Required, Dependencies extends NodeList> = Exclude<Required, Output<Dependencies[number]>>
-type CheckDependencies<Implementation extends Layer.Any, Dependencies extends NodeList> = [
-  Missing<Layer.Services<Implementation>, Dependencies>,
-] extends [never]
-  ? unknown
-  : { readonly "Missing dependencies": Missing<Layer.Services<Implementation>, Dependencies> }
-declare const $OutputType: unique symbol
-declare const $ErrorType: unique symbol
-
-export type Tier<Name extends string = string> = Name & Brand.Brand<"LayerNode.Tier">
-
-const makeTier = Brand.nominal<Tier>()
-
-export type Node<A, E = never, T extends Tier | undefined = undefined> = {
-  readonly kind: "layer" | "group"
-  readonly name: string
-  readonly service?: Context.Service.Any
-  readonly implementation?: Layer.Any
-  readonly dependencies: readonly AnyNode[]
-  readonly tier?: T
-  readonly [$OutputType]?: () => A
-  readonly [$ErrorType]?: () => E
-}
-
-type NodeIdentity =
-  | { readonly service: Context.Service.Any; readonly name?: never }
-  | { readonly name: string; readonly service?: never }
-type DistributiveOmit<A, K extends PropertyKey> = A extends unknown ? Omit<A, K> : never
-
-type NodeInput<
-  Implementation extends Layer.Any,
-  Items extends NodeList,
-  T extends Tier | undefined = undefined,
-> = NodeIdentity & {
-  readonly layer: Implementation
-  readonly deps: Items & CheckDependencies<Implementation, NoInfer<Items>>
-  readonly tier?: T
-}
-
-export function make<
-  const Implementation extends Layer.Any,
-  const Items extends NodeList,
-  const T extends Tier | undefined = undefined,
->(
-  input: NodeInput<Implementation, Items, T>,
-): Node<Layer.Success<Implementation>, Layer.Error<Implementation> | Error<Items[number]>, T> {
-  return {
-    kind: "layer",
-    name: input.service !== undefined ? input.service.key : input.name,
-    service: input.service,
-    implementation: input.layer,
-    dependencies: input.deps,
-    tier: input.tier,
-  }
-}
-
-export function group<const Items extends NodeList>(
-  dependencies: Items,
-): Node<Output<Items[number]>, Error<Items[number]>> {
-  return { kind: "group", name: "group", dependencies }
-}
-
-type AllowedTierNames<Names extends readonly string[], Name extends Names[number]> = Names extends readonly [
-  infer Head extends string,
-  ...infer Tail extends readonly string[],
-]
-  ? Head extends Name
-    ? Head | Tail[number]
-    : AllowedTierNames<Tail, Name>
-  : never
-
-type NodeInTiers<Names extends string> = Node<unknown, unknown, Tier<Names>>
-
-export interface Tiers<Names extends readonly [string, ...string[]]> {
-  readonly names: Names
-  readonly values: { readonly [K in Names[number]]: Tier<K> }
-  readonly make: <Name extends Names[number]>(
-    name: Name,
-  ) => <
-    const Implementation extends Layer.Any,
-    const Items extends NodeList<NodeInTiers<AllowedTierNames<Names, Name>>>,
-  >(
-    input: DistributiveOmit<NodeInput<Implementation, Items, Tier<Name>>, "tier">,
-  ) => Node<Layer.Success<Implementation>, Layer.Error<Implementation> | Error<Items[number]>, Tier<Name>>
-}
-
-export function tiers<const Names extends readonly [string, ...string[]]>(names: Names): Tiers<Names> {
-  const values = Object.fromEntries(names.map((name) => [name, makeTier(name)])) as Tiers<Names>["values"]
-  return {
-    names,
-    values,
-    make: ((name: Names[number]) => (input: DistributiveOmit<NodeInput<Layer.Any, NodeList, Tier>, "tier">) =>
-      make({ ...input, tier: values[name] })) as Tiers<Names>["make"],
-  }
-}
-
-const defaultTiers = tiers(["untiered"])
-const untiered = defaultTiers.values.untiered
-
-export type Replacement = {
-  readonly source: Layer.Any
-  readonly replacement: Layer.Any
-}
-
-type CheckReplacementErrors<SourceError, ReplacementError> = [Exclude<ReplacementError, SourceError>] extends [never]
-  ? unknown
-  : { readonly "New replacement errors": Exclude<ReplacementError, SourceError> }
-
-export function replace<A, E, R, E2>(
-  source: Layer.Layer<A, E, R>,
-  replacement: Layer.Layer<NoInfer<A>, E2, never> & CheckReplacementErrors<E, NoInfer<E2>>,
-): Replacement {
-  return { source, replacement }
-}
-
-export function buildLayer<
-  A,
-  E,
-  const Names extends readonly [string, ...string[]] = readonly ["untiered"],
-  const Built extends Layer.Any = Layer.Layer<never, never, never>,
->(
-  node: Node<A, E, any>,
-  options?: {
-    readonly tiers?: Tiers<Names>
-    readonly buildTier?: (tier: Names[number], layers: readonly Layer.Any[]) => Built
-    readonly replacements?: readonly Replacement[]
-  },
-): Layer.Layer<A | Layer.Success<Built>, E | Layer.Error<Built>, never> {
-  const tiers = options?.tiers ?? (defaultTiers as unknown as Tiers<Names>)
-  const replacementMap = new Map(options?.replacements?.map((item) => [item.source, item.replacement]))
-  const plans = plan(node, tiers, replacementMap)
-  const layers: RuntimeLayer[] = tiers.names.map((name) => {
-    const tier = tiers.values[name as Names[number]]
-    const layers = plans.get(tier) ?? []
-    return (options?.buildTier?.(name, layers) ?? combine(layers)) as RuntimeLayer
-  })
-  if (layers.length === 0) return Layer.empty as never
-  return layers.slice(1).reduce((result, layer) => result.pipe(Layer.provideMerge(layer)), layers[0]) as never
-}
-
-export function combine(layers: readonly Layer.Any[]): RuntimeLayer {
-  return layers.reduce<RuntimeLayer>(
-    (result, layer) => (layer as RuntimeLayer).pipe(Layer.provideMerge(result)),
-    Layer.empty as RuntimeLayer,
-  )
-}
-
-function plan(
-  root: AnyNode,
-  tiers: Tiers<readonly [string, ...string[]]>,
-  replacements: ReadonlyMap<Layer.Any, Layer.Any>,
-) {
-  const indexes = new Map(tiers.names.map((name, index) => [tiers.values[name], index]))
-  const plans = new Map<Tier, Layer.Any[]>()
-  const activeImplementations = new Map<Tier, Map<string, AnyNode>>()
-  const serviceTiers = new Map<string, Tier>()
-  const visiting = new Set<AnyNode>()
-  const stack: AnyNode[] = []
-  const boundaryVisited = new Map<AnyNode, Set<Tier>>()
-  const boundaryServices = new Map<Tier, Map<string, AnyNode>>()
-
-  const validateBoundary = (node: AnyNode, origin: Tier) => {
-    const checked = boundaryVisited.get(node) ?? new Set<Tier>()
-    boundaryVisited.set(node, checked)
-    if (checked.has(origin)) return false
-    checked.add(origin)
-    const services = boundaryServices.get(origin) ?? new Map<string, AnyNode>()
-    boundaryServices.set(origin, services)
-    const key = node.name
-    const existing = services.get(key)
-    if (existing && existing !== node) {
-      throw new Error(`Tier ${origin} has conflicting implementations for ${key}`)
-    }
-    services.set(key, node)
-    return true
-  }
-
-  const visit = (node: AnyNode, currentTier?: Tier, origins: readonly Tier[] = []) => {
-    if (node.kind === "group") {
-      node.dependencies.forEach((dependency) => visit(dependency, currentTier, origins))
-      return
-    }
-
-    const tier = node.tier ?? untiered
-    if (!indexes.has(tier)) throw new Error(`Node ${node.name} is not in the tier configuration`)
-    const key = node.name
-    const serviceTier = serviceTiers.get(key)
-    if (serviceTier && serviceTier !== tier) {
-      throw new Error(`Service ${key} belongs to both tier ${serviceTier} and tier ${tier}`)
-    }
-    serviceTiers.set(key, tier)
-    const nextOrigins = [...origins]
-    if (currentTier) {
-      const current = indexes.get(currentTier)!
-      const required = indexes.get(tier)!
-      if (required < current) {
-        throw new Error(`Tier ${currentTier} cannot depend on lower tier ${tier}`)
-      }
-      if (required > current) nextOrigins.push(currentTier)
-    }
-    const unseenOrigins = nextOrigins.filter((origin) => validateBoundary(node, origin))
-
-    // A node may need to be emitted more than once because the final output is a
-    // flat list of layers applied with Layer.provideMerge. If another node for
-    // the same service was emitted afterward, this node is no longer the active
-    // implementation for subsequent consumers. Re-emitting restores the intended
-    // implementation ordering while Effect memoization avoids reacquiring the layer.
-    const implementations = activeImplementations.get(tier) ?? new Map<string, AnyNode>()
-    activeImplementations.set(tier, implementations)
-    if (implementations.get(key) === node && unseenOrigins.length === 0) return
-
-    if (visiting.has(node)) {
-      const start = stack.indexOf(node)
-      throw new Error(
-        `Cycle detected in layer graph: ${[...stack.slice(start), node].map((item) => item.name).join(" -> ")}`,
-      )
-    }
-
-    visiting.add(node)
-    stack.push(node)
-    try {
-      node.dependencies.forEach((dependency) => visit(dependency, tier, unseenOrigins))
-      const layers = plans.get(tier) ?? []
-      plans.set(tier, layers)
-      layers.push(replacements.get(node.implementation!) ?? node.implementation!)
-      implementations.set(key, node)
-    } finally {
-      stack.pop()
-      visiting.delete(node)
-    }
-  }
-
-  visit(root)
-  return plans
-}
-
-function requireTier(node: AnyNode, indexes: ReadonlyMap<Tier, number>) {
-  if (!node.tier || !indexes.has(node.tier)) throw new Error(`Node ${node.name} is not in the tier configuration`)
-}
-
-export * as LayerNode from "./layer-node"

packages/core/src/effect/layer-node/index.ts

@@ -0,0 +1,2 @@
+export * from "./layer-node"
+export * as LayerNodeTree from "./layer-node-tree"

packages/core/src/effect/layer-node/layer-node-tree.ts

@@ -0,0 +1,118 @@
+import { Layer } from "effect"
+import { LayerNode } from "./layer-node"
+
+type AnyNode = LayerNode.Node<unknown, unknown, any>
+type RuntimeLayer = Layer.Layer<never, unknown, unknown>
+
+export function hoist<A, E, T extends LayerNode.Tag>(
+  root: LayerNode.Node<A, E, any>,
+  tag: T,
+): {
+  readonly node: LayerNode.Node<A, E>
+  readonly hoisted: LayerNode.Node<unknown, E>
+} {
+  const visited = new Map<AnyNode, AnyNode>()
+  const hoisted = new Map<string, AnyNode>()
+  const visiting = new Set<AnyNode>()
+  const stack: AnyNode[] = []
+
+  const visit = (node: AnyNode): AnyNode => {
+    if (node.kind === "group") {
+      return { ...node, dependencies: node.dependencies.map(visit) }
+    }
+
+    const existingNode = visited.get(node)
+    if (existingNode) return existingNode
+
+    if (node.tag === tag) {
+      const existing = hoisted.get(node.name)
+      if (existing && existing !== node) {
+        throw new Error(`Tag ${tag} has conflicting implementations for ${node.name}`)
+      }
+      hoisted.set(node.name, node)
+      const empty = LayerNode.group([])
+      visited.set(node, empty)
+      return empty
+    }
+    if (node.kind === "unbound") {
+      return node
+    }
+
+    if (visiting.has(node)) {
+      const start = stack.indexOf(node)
+      throw new Error(
+        `Cycle detected in layer tree: ${[...stack.slice(start), node].map((item) => item.name).join(" -> ")}`,
+      )
+    }
+    visiting.add(node)
+    stack.push(node)
+    try {
+      const dependencies = node.dependencies.map(visit)
+      const clone = { ...node, dependencies }
+      visited.set(node, clone)
+      return clone
+    } finally {
+      stack.pop()
+      visiting.delete(node)
+    }
+  }
+
+  return {
+    node: visit(root) as LayerNode.Node<A, E>,
+    hoisted: LayerNode.group(Array.from(hoisted.values())) as LayerNode.Node<unknown, E>,
+  }
+}
+
+export function compile<A, E>(
+  root: LayerNode.Node<A, E, any>,
+  replacements?: ReadonlyMap<Layer.Any, Layer.Any>,
+): Layer.Layer<A, E> {
+  const cache = new Map<AnyNode, RuntimeLayer>()
+  const compileNode = (node: AnyNode): RuntimeLayer => {
+    if (node.kind === "unbound") throw new Error(`Unbound layer node: ${node.name}`)
+    const cached = cache.get(node)
+    if (cached) return cached
+    const dependencies = node.dependencies.flatMap(flatten).map(compileNode)
+    const implementation = (replacements?.get(node.implementation!) ?? node.implementation!) as RuntimeLayer
+    const layer =
+      dependencies.length === 0
+        ? implementation
+        : implementation.pipe(Layer.provide(dependencies as [RuntimeLayer, ...RuntimeLayer[]]))
+    cache.set(node, layer)
+    return layer
+  }
+  const layers = flatten(root).map((node) => compileNode(node))
+  const layer = layers.reduce<RuntimeLayer>((result, layer) => layer.pipe(Layer.provideMerge(result)), Layer.empty)
+  return layer as Layer.Layer<A, E>
+}
+
+export function bind<A, E, T extends LayerNode.Tag | undefined>(
+  root: LayerNode.Node<A, E, T>,
+  source: AnyNode,
+  replacement: AnyNode,
+): LayerNode.Node<A, E, T> {
+  if (source.kind !== "unbound") throw new Error(`Cannot bind non-unbound layer node: ${source.name}`)
+  if (source.name !== replacement.name) {
+    throw new Error(`Cannot bind ${source.name} to ${replacement.name}`)
+  }
+  if (source.tag !== replacement.tag) {
+    throw new Error(`Cannot bind ${source.name} across tags`)
+  }
+  const visited = new Map<AnyNode, AnyNode>()
+  const visit = (node: AnyNode): AnyNode => {
+    if (node === source) return replacement
+    const existing = visited.get(node)
+    if (existing) return existing
+    if (node.kind === "unbound") return node
+    const clone = { ...node, dependencies: node.dependencies.map(visit) }
+    visited.set(node, clone)
+    return clone
+  }
+  return visit(root) as LayerNode.Node<A, E, T>
+}
+
+function flatten(node: AnyNode): readonly AnyNode[] {
+  return node.kind === "group" ? node.dependencies.flatMap(flatten) : [node]
+}
+
+export * as LayerNodeTree from "./layer-node-tree"

packages/core/src/effect/layer-node/layer-node.ts

@@ -0,0 +1,138 @@
+import { Brand, Context, Layer } from "effect"
+
+type AnyNode = Node<unknown, unknown, any>
+type NodeList<Item extends AnyNode = AnyNode> = readonly [] | readonly [Item, ...Item[]]
+export type Output<Item> = [Item] extends [never] ? never : Item extends Node<infer A, unknown, any> ? A : never
+export type Error<Item> = [Item] extends [never] ? never : Item extends Node<unknown, infer E, any> ? E : never
+type NodeTag<Item> = [Item] extends [never] ? undefined : Item extends Node<unknown, unknown, infer T> ? T : never
+type Missing<Required, Dependencies extends NodeList> = Exclude<Required, Output<Dependencies[number]>>
+type CheckDependencies<Implementation extends Layer.Any, Dependencies extends NodeList> = [
+  Missing<Layer.Services<Implementation>, Dependencies>,
+] extends [never]
+  ? unknown
+  : { readonly "Missing dependencies": Missing<Layer.Services<Implementation>, Dependencies> }
+declare const $OutputType: unique symbol
+declare const $ErrorType: unique symbol
+
+export type Tag<Name extends string = string> = Name & Brand.Brand<"LayerNode.Tag">
+
+const makeTag = Brand.nominal<Tag>()
+
+export interface Node<A, E = never, T extends Tag | undefined = undefined> {
+  readonly kind: "layer" | "unbound" | "group"
+  readonly name: string
+  readonly service?: Context.Service.Any
+  readonly implementation?: Layer.Any
+  readonly dependencies: readonly AnyNode[]
+  readonly tag?: T
+  readonly [$OutputType]?: () => A
+  readonly [$ErrorType]?: () => E
+}
+
+type NodeIdentity =
+  | { readonly service: Context.Service.Any; readonly name?: never }
+  | { readonly name: string; readonly service?: never }
+type DistributiveOmit<A, K extends PropertyKey> = A extends unknown ? Omit<A, K> : never
+
+type MakeInput<
+  Implementation extends Layer.Any,
+  Items extends NodeList,
+  T extends Tag | undefined = undefined,
+> = NodeIdentity & {
+  readonly layer: Implementation
+  readonly deps: Items & CheckDependencies<Implementation, NoInfer<Items>>
+  readonly tag?: T
+}
+
+export function make<
+  const Implementation extends Layer.Any,
+  const Items extends NodeList,
+  const T extends Tag | undefined = undefined,
+>(
+  input: MakeInput<Implementation, Items, T>,
+): Node<
+  Layer.Success<Implementation>,
+  Layer.Error<Implementation> | Error<Items[number]>,
+  T
+> {
+  return {
+    kind: "layer",
+    name: input.service !== undefined ? input.service.key : input.name,
+    service: input.service,
+    implementation: input.layer,
+    dependencies: input.deps,
+    tag: input.tag,
+  }
+}
+
+export function unbound<R, Shape, const T extends Tag>(
+  service: Context.Key<R, Shape>,
+  tag: T,
+): Node<R, never, T> {
+  return {
+    kind: "unbound",
+    name: service.key,
+    service,
+    dependencies: [],
+    tag,
+  }
+}
+
+export function group<const Items extends readonly AnyNode[]>(
+  dependencies: Items,
+): Node<Output<Items[number]>, Error<Items[number]>, NodeTag<Items[number]>> {
+  return { kind: "group", name: "group", dependencies }
+}
+
+export type TagConfig = Readonly<Record<string, readonly string[]>>
+type TagNames<Config extends TagConfig> = keyof Config & string
+type NodeInTags<Names extends string> = Node<unknown, unknown, Tag<Names> | undefined>
+type CheckTags<Items extends NodeList, Names extends string> = [Exclude<Items[number], NodeInTags<Names>>] extends [
+  never,
+]
+  ? unknown
+  : { readonly "Invalid tag dependencies": Exclude<Items[number], NodeInTags<Names>> }
+
+export interface Tags<Config extends TagConfig> {
+  readonly values: { readonly [Name in TagNames<Config>]: Tag<Name> }
+  readonly make: <Name extends TagNames<Config>>(
+    name: Name,
+  ) => <const Implementation extends Layer.Any, const Items extends NodeList>(
+    input: DistributiveOmit<MakeInput<Implementation, Items, Tag<Name>>, "tag"> &
+      CheckTags<Items, Name | Extract<Config[Name][number], string>>,
+  ) => Node<
+    Layer.Success<Implementation>,
+    Layer.Error<Implementation> | Error<Items[number]>,
+    Tag<Name>
+  >
+}
+
+export function tags<
+  const Config extends { readonly [Name in keyof Config]: readonly (keyof Config & string)[] },
+>(config: Config): Tags<Config> {
+  const names = Object.keys(config) as TagNames<Config>[]
+  const values = Object.fromEntries(names.map((name) => [name, makeTag(name)])) as Tags<Config>["values"]
+  return {
+    values,
+    make: ((name: TagNames<Config>) => (input: DistributiveOmit<MakeInput<Layer.Any, NodeList, Tag>, "tag">) =>
+      make({ ...input, tag: values[name] })) as Tags<Config>["make"],
+  }
+}
+
+export type Replacement = {
+  readonly source: Layer.Any
+  readonly replacement: Layer.Any
+}
+
+type CheckReplacementErrors<SourceError, ReplacementError> = [Exclude<ReplacementError, SourceError>] extends [never]
+  ? unknown
+  : { readonly "New replacement errors": Exclude<ReplacementError, SourceError> }
+
+export function replace<A, E, R, E2>(
+  source: Layer.Layer<A, E, R>,
+  replacement: Layer.Layer<NoInfer<A>, E2, never> & CheckReplacementErrors<E, NoInfer<E2>>,
+): Replacement {
+  return { source, replacement }
+}
+
+export * as LayerNode from "./layer-node"

packages/core/src/effect/node-build.ts

@@ -0,0 +1,18 @@
+import { Layer } from "effect"
+import { buildLocationServiceMap } from "../location-services"
+import { LocationServiceMap } from "../location-service-map"
+import { LayerNode, LayerNodeTree } from "./layer-node"
+import { makeGlobalNode } from "./node"
+
+export function build<A, E>(root: LayerNode.Node<A, E, any>, replacements?: readonly LayerNode.Replacement[]) {
+  const replacementMap = new Map(replacements?.map((item) => [item.source, item.replacement]))
+
+  const locationMap = buildLocationServiceMap(replacementMap)
+  const locationMapNode = makeGlobalNode({ service: LocationServiceMap.Service, layer: locationMap, deps: [] })
+
+  const app = LayerNodeTree.bind(root, LocationServiceMap.node, locationMapNode)
+
+  return LayerNodeTree.compile(app, replacementMap)
+}
+
+export * as NodeBuild from "./node-build"

packages/core/src/effect/node.ts

@@ -0,0 +1,14 @@
+import { LayerNode } from "./layer-node"
+
+export const tags = LayerNode.tags({
+  location: ["global"],
+  global: [],
+})
+
+export type GlobalNode<A, E = never> = LayerNode.Node<A, E, (typeof tags.values)["global"]>
+export type LocationNode<A, E = never> = LayerNode.Node<A, E, (typeof tags.values)["location"]>
+
+export const makeGlobalNode = tags.make("global")
+export const makeLocationNode = tags.make("location")
+
+export * as Node from "./node"

packages/core/src/effect/scoped-node.ts

@@ -1,11 +0,0 @@
-import { LayerNode } from "./layer-node"
-
-export const tiers = LayerNode.tiers(["location", "global"])
-
-export type GlobalNode<A, E = never> = LayerNode.Node<A, E, (typeof tiers.values)["global"]>
-export type LocationNode<A, E = never> = LayerNode.Node<A, E, (typeof tiers.values)["location"]>
-
-export const makeGlobalNode = tiers.make("global")
-export const makeLocationNode = tiers.make("location")
-
-export * as ScopedNode from "./scoped-node"