remove unused properties from decorated rest schemas (#29881)

components/rest/ChildBodyParametersRows.tsx

@@ -4,7 +4,7 @@ import type { ChildParamsGroup } from './types'
 
 type Props = {
   slug: string
-  childParamsGroups: ChildParamsGroup[]
+  childParamsGroups?: ChildParamsGroup[]
 }
 
 export function ChildBodyParametersRows({ slug, childParamsGroups }: Props) {

script/rest/utils/operation.js

@@ -165,6 +165,9 @@ export default class Operation {
 
   async renderBodyParameterDescriptions() {
     if (!this.#operation.requestBody) return []
+    // There is currently only one operation with more than one content type
+    // and the request body parameter types are the same for both.
+    // Operation Id: markdown/render-raw
     const contentType = Object.keys(this.#operation.requestBody.content)[0]
     let bodyParamsObject = get(
       this.#operation,
@@ -378,13 +381,17 @@ async function getBodyParams(paramsObject, requiredParams) {
         param.childParamsGroups.push(
           ...flatten(
             childParamsGroup.params
-              .filter((param) => param.childParamsGroups.length)
+              .filter((param) => param.childParamsGroups?.length)
               .map((param) => param.childParamsGroups)
           )
         )
       }
-
-      return param
+      const paramDecorated = { ...param }
+      delete paramDecorated.items
+      delete paramDecorated.rawDescription
+      delete paramDecorated.rawType
+      if (paramDecorated.childParamsGroups.length === 0) delete paramDecorated.childParamsGroups
+      return paramDecorated
     })
   )
 }