fix(oas3): add support for oneOf/anyOf JSON Schema keywords in request-body rendering (#9767)

Refs #9763

src/core/plugins/oas3/components/request-body.jsx

@@ -1,7 +1,7 @@
 import React from "react"
 import PropTypes from "prop-types"
 import ImPropTypes from "react-immutable-proptypes"
-import { Map, OrderedMap, List } from "immutable"
+import { Map, OrderedMap, List, fromJS } from "immutable"
 import { getCommonExtensions, stringify, isEmptyValue } from "core/utils"
 import { getKnownSyntaxHighlighterLanguage } from "core/utils/jsonParse"
 
@@ -153,24 +153,9 @@ const RequestBody = ({
             Map.isMap(bodyProperties) && bodyProperties.entrySeq().map(([key, schema]) => {
               if (schema.get("readOnly")) return
               
-              const schemaWithoutKeywords = schema.filter((v, k) => k !== "oneOf" 
-                && k !== "anyOf" 
-                && k !== "$$ref"
-              )
-
-              if (schemaWithoutKeywords.size === 0) {
-                const oneOf = schema.get("oneOf")
-                const anyOf = schema.get("anyOf")
-                const nestedSchema = List.isList(oneOf) 
-                  ? oneOf.get(0) 
-                  : List.isList(anyOf) 
-                  ? anyOf.get(0)
-                  : null
-                
-                if (Map.isMap(nestedSchema)) {
-                  schema = nestedSchema
-                }
-              }
+              const oneOf = schema.get("oneOf")?.get(0)?.toJS()
+              const anyOf = schema.get("anyOf")?.get(0)?.toJS()
+              schema = fromJS(fn.mergeJsonSchema(schema.toJS(), oneOf ?? anyOf ?? {}))
 
               let commonExt = showCommonExtensions ? getCommonExtensions(schema) : null
               const required = schemaForMediaType.get("required", List()).includes(key)

test/e2e-cypress/e2e/features/plugins/oas3/one-of-any-of-example.cy.js

@@ -11,7 +11,7 @@ describe("OpenAPI 3.0 oneOf and anyOf example", () => {
           .get(".try-out__btn")
           .click()
           .get("textarea")
-          .contains("documentDate")
+          .contains("NestedSchemaExample.pdf")
           .should("exist")
         cy.contains("/documentsWithCombineOneOf").click()
         cy.contains("/documentsWithCombineAnyOf")
@@ -20,7 +20,7 @@ describe("OpenAPI 3.0 oneOf and anyOf example", () => {
           .contains("Try it out")
           .click()
           .get("textarea")
-          .contains("documentDate")
+          .contains("ParentSchemaExample.pdf")
           .should("exist")
       }
     )

test/e2e-cypress/static/documents/features/oas3-one-of-any-of-example.yaml

@@ -51,7 +51,7 @@ components:
           type: string
           default: ''
           maxLength: 64
-          example: MyDocument.pdf'
+          example: NestedSchemaExample.pdf'
         category:
           type: string
           pattern: ''
@@ -172,6 +172,15 @@ components:
         - $ref: '#/components/schemas/ModelPostDocumentPolicy'
         - $ref: '#/components/schemas/ModelPostDocumentCustomer'
         - $ref: '#/components/schemas/ModelPostDocumentInvoice'
+      example:
+        title: ParentSchemaExample.pdf
+        category: Policy
+        type: Policy
+        issuingApplicationId: App1
+        documentDate: '2021-01-01'
+        sharedWith:
+          - CustomerPortal
+        policyNumber: '132456'
     ModelPostDocumentAnyOfCombineModelFile:
       allOf:
         - $ref: '#/components/schemas/ModelFile'