Add dashifyObjectKeys helper

packages/nextlove/src/generators/generate-openapi/index.ts

@@ -13,6 +13,7 @@ import { mapMethodsToFernSdkMetadata } from "./fern-sdk-utils"
 import { parseFrontMatter, testFrontMatter } from "../lib/front-matter"
 import dedent from "dedent"
 import { prefixKeysWithX } from "../utils/prefix-keys-with-x"
+import { dashifyObjectKeys } from "../utils/dashify-object-keys"
 
 function replaceFirstCharToLowercase(str: string) {
   if (str.length === 0) {
@@ -211,10 +212,8 @@ export async function generateOpenAPI(opts: GenerateOpenAPIOpts) {
       }
     }
 
-    const formattedDescriptionMetadata = Object.fromEntries(
-      Object.entries(prefixKeysWithX(descriptionMetadata)).map(
-        ([key, value]) => [key.replace(/_/g, "-"), value]
-      )
+    const formattedDescriptionMetadata = prefixKeysWithX(
+      dashifyObjectKeys(descriptionMetadata)
     )
 
     const route: OperationObject = {

packages/nextlove/src/generators/lib/zod-openapi.ts

@@ -32,6 +32,7 @@ import { AnyZodObject, z, ZodTypeAny } from "zod"
 import { parseFrontMatter, testFrontMatter } from "./front-matter"
 import dedent from "dedent"
 import { prefixKeysWithX } from "../utils/prefix-keys-with-x"
+import { dashifyObjectKeys } from "../utils/dashify-object-keys"
 
 type AnatineSchemaObject = SchemaObject & { hideDefinitions?: string[] }
 
@@ -89,9 +90,11 @@ function parseDescription(zodRef: OpenApiZodAny): SchemaObject {
       output.deprecated = true
     }
 
-    Object.entries(prefixKeysWithX(attributes)).forEach(([key, value]) => {
-      output[key] = value
-    })
+    Object.entries(prefixKeysWithX(dashifyObjectKeys(attributes))).forEach(
+      ([key, value]) => {
+        output[key] = value
+      }
+    )
   }
 
   return output

packages/nextlove/src/generators/utils/dashify-object-keys.ts

@@ -0,0 +1,13 @@
+type SnakeToDash<T> = {
+  [K in keyof T as K extends string ? SnakeToDashString<K> : K]: T[K]
+}
+
+type SnakeToDashString<S extends string> = S extends `${infer T}_${infer U}`
+  ? `${T}-${SnakeToDashString<U>}`
+  : S
+
+export function dashifyObjectKeys<T extends object>(obj: T): SnakeToDash<T> {
+  return Object.fromEntries(
+    Object.entries(obj).map(([key, value]) => [key.replace(/_/g, "-"), value])
+  ) as SnakeToDash<T>
+}