cache OpenApi schema generation

Effect-TS · Oct 22, 2024 · e5da4d4 · e5da4d4
1 parent a619704
commit e5da4d4
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diff --git a/.changeset/long-walls-invent.md b/.changeset/long-walls-invent.md
@@ -0,0 +1,5 @@
+---
+"@effect/platform": patch
+---
+
+cache OpenApi schema generation
diff --git a/packages/platform/src/OpenApi.ts b/packages/platform/src/OpenApi.ts
@@ -2,6 +2,7 @@
  * @since 1.0.0
  */
 import * as Context from "effect/Context"
+import { globalValue } from "effect/GlobalValue"
 import * as HashSet from "effect/HashSet"
 import * as Option from "effect/Option"
 import type { ReadonlyRecord } from "effect/Record"
@@ -117,11 +118,16 @@ export interface Annotatable {
  readonly annotations: Context.Context<never>
 }
 
+const apiCache = globalValue("@effect/platform/OpenApi/apiCache", () => new WeakMap<HttpApi.HttpApi.Any, OpenAPISpec>())
+
 /**
  * @category constructors
  * @since 1.0.0
  */
 export const fromApi = <A extends HttpApi.HttpApi.Any>(self: A): OpenAPISpec => {
+ if (apiCache.has(self)) {
+ return apiCache.get(self)!
+ }
  const api = self as unknown as HttpApi.HttpApi.AnyWithProps
  const jsonSchemaDefs: Record<string, JsonSchema.JsonSchema> = {}
  const spec: DeepMutable<OpenAPISpec> = {
@@ -334,6 +340,8 @@ export const fromApi = <A extends HttpApi.HttpApi.Any>(self: A): OpenAPISpec =>
  }
  })
 
+ apiCache.set(self, spec)
+
  return spec
 }