From a06670514d5392b3a5f4bb5c01ff2d827ffec7bb Mon Sep 17 00:00:00 2001
From: Josh Story <story@hey.com>
Date: Sat, 22 Oct 2022 15:10:21 -0700
Subject: [PATCH] hide hostcontexttype by exposing a getter for
 ancestorInfo.resourceFormOnly

---
 .../react-dom-bindings/src/client/ReactDOMFloatClient.js   | 7 ++++---
 .../react-dom-bindings/src/client/ReactDOMHostConfig.js    | 2 +-
 .../react-dom-bindings/src/client/validateDOMNesting.js    | 7 ++++++-
 3 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/packages/react-dom-bindings/src/client/ReactDOMFloatClient.js b/packages/react-dom-bindings/src/client/ReactDOMFloatClient.js
index 4cbefaa41b962..58a73189ec9c0 100644
--- a/packages/react-dom-bindings/src/client/ReactDOMFloatClient.js
+++ b/packages/react-dom-bindings/src/client/ReactDOMFloatClient.js
@@ -7,7 +7,7 @@
  * @flow
  */
 
-import type {Instance, Container, HostContextDev} from './ReactDOMHostConfig';
+import type {Instance, Container} from './ReactDOMHostConfig';
 
 import ReactDOMSharedInternals from 'shared/ReactDOMSharedInternals.js';
 const {Dispatcher} = ReactDOMSharedInternals;
@@ -33,6 +33,7 @@ import {
   getCurrentRootHostContainer,
   getHostContext,
 } from 'react-reconciler/src/ReactFiberHostContext';
+import {getResourceFormOnly} from './validateDOMNesting';
 
 // The resource types we support. currently they match the form for the as argument.
 // In the future this may need to change, especially when modules / scripts are supported
@@ -1336,8 +1337,8 @@ function insertResourceInstanceBefore(
 export function isHostResourceType(type: string, props: Props): boolean {
   let resourceFormOnly: boolean;
   if (__DEV__) {
-    const hostContextDev: HostContextDev = (getHostContext(): any);
-    resourceFormOnly = (hostContextDev.ancestorInfo: any).resourceFormOnly;
+    const hostContext = getHostContext();
+    resourceFormOnly = getResourceFormOnly(hostContext);
   }
   switch (type) {
     case 'meta':
diff --git a/packages/react-dom-bindings/src/client/ReactDOMHostConfig.js b/packages/react-dom-bindings/src/client/ReactDOMHostConfig.js
index fa14f5eeb02ae..cfd3131e9ba9a 100644
--- a/packages/react-dom-bindings/src/client/ReactDOMHostConfig.js
+++ b/packages/react-dom-bindings/src/client/ReactDOMHostConfig.js
@@ -133,7 +133,7 @@ export interface SuspenseInstance extends Comment {
 }
 export type HydratableInstance = Instance | TextInstance | SuspenseInstance;
 export type PublicInstance = Element | Text;
-export type HostContextDev = {
+type HostContextDev = {
   namespace: string,
   ancestorInfo: mixed,
   ...
diff --git a/packages/react-dom-bindings/src/client/validateDOMNesting.js b/packages/react-dom-bindings/src/client/validateDOMNesting.js
index a3984db6355b4..da6852276a9f2 100644
--- a/packages/react-dom-bindings/src/client/validateDOMNesting.js
+++ b/packages/react-dom-bindings/src/client/validateDOMNesting.js
@@ -7,6 +7,7 @@
 
 let validateDOMNesting = () => {};
 let updatedAncestorInfo = () => {};
+let getResourceFormOnly = () => false;
 
 if (__DEV__) {
   // This validation code was written based on the HTML5 parsing spec:
@@ -478,6 +479,10 @@ if (__DEV__) {
       );
     }
   };
+
+  getResourceFormOnly = hostContextDev => {
+    return hostContextDev.ancestorInfo.resourceFormOnly;
+  };
 }
 
-export {updatedAncestorInfo, validateDOMNesting};
+export {updatedAncestorInfo, validateDOMNesting, getResourceFormOnly};