fix(oas3): expand Callback operation without browser error (#8510)

Refs #7465

src/core/plugins/oas3/selectors.js

@@ -5,16 +5,22 @@ import { stringify } from "../../utils"
 
 // Helpers
 
-function onlyOAS3(selector) {
+const onlyOAS3 =
-  return (...args) => (system) => {
+  (selector) =>
+  (state, ...args) =>
+  (system) => {
     const spec = system.getSystem().specSelectors.specJson()
+
     if (isOAS3Helper(spec)) {
-      return selector(...args)
+      const selectedValue = selector(state, ...args)
+      return typeof selectedValue === "function"
+        ? selectedValue(system)
+        : selectedValue
     } else {
       return null
     }
   }
-}
+
 
 function validateRequestBodyIsRequired(selector) {
   return (...args) => (system) => {
@@ -81,13 +87,28 @@ export const selectDefaultRequestBodyValue = (state, path, method) => (system) =
   return null
 }
 
-export const hasUserEditedBody = (state, path, method) => (system) => {
+export const hasUserEditedBody = onlyOAS3((state, path, method) => (system) => {
   const {oas3Selectors, specSelectors} = system.getSystem()
-  const spec = specSelectors.specJson()
+
-  if(isOAS3Helper(spec)) {
   let userHasEditedBody = false
   const currentMediaType = oas3Selectors.requestContentType(path, method)
   let userEditedRequestBody = oas3Selectors.requestBodyValue(path, method)
+  const requestBody = specSelectors.specResolvedSubtree([
+    "paths",
+    path,
+    method,
+    "requestBody",
+  ])
+
+  /**
+   * The only request body that can currently be edited is for Path Items that are direct values of OpenAPI.paths.
+   * Path Item contained within the Callback Object or OpenAPI.webhooks (OpenAPI 3.1.0) have `Try it out`
+   * disabled and thus body cannot be edited.
+   */
+  if (!requestBody) {
+    return false
+  }
+
   if (Map.isMap(userEditedRequestBody)) {
     // context is not application/json media-type
     userEditedRequestBody = stringify(userEditedRequestBody.mapEntries((kv) => Map.isMap(kv[1]) ? [kv[0], kv[1].get("value")] : kv).toJS())
@@ -97,7 +118,7 @@ export const hasUserEditedBody = (state, path, method) => (system) => {
   }
   if (currentMediaType) {
     const currentMediaTypeDefaultBodyValue = getDefaultRequestBodyValue(
-        specSelectors.specResolvedSubtree(["paths", path, method, "requestBody"]),
+      requestBody,
       currentMediaType,
       oas3Selectors.activeExamplesMember(
         path, method,
@@ -108,10 +129,8 @@ export const hasUserEditedBody = (state, path, method) => (system) => {
     userHasEditedBody = !!userEditedRequestBody && userEditedRequestBody !== currentMediaTypeDefaultBodyValue
   }
   return userHasEditedBody
-  } else {
+
-    return null
+})
-  }
-}
 
 export const requestBodyInclusionSetting = onlyOAS3((state, path, method) => {
     return state.getIn(["requestData", path, method, "bodyInclusion"]) || Map()