use both...

Author: gnoff

packages/react-dom/src/__tests__/ReactDOMHydrationDiff-test.js

@@ -11,7 +11,7 @@ let React;
 let ReactDOMClient;
 let ReactDOMServer;
 let act;
-let __WWW__;
+let usingPartialRenderer;
 
 const util = require('util');
 const realConsoleError = console.error;
@@ -26,7 +26,7 @@ describe('ReactDOMServerHydration', () => {
     ReactDOMServer = require('react-dom/server');
     act = require('react-dom/test-utils').act;
 
-    __WWW__ = global.__WWW__;
+    usingPartialRenderer = global.__WWW__ && !__EXPERIMENTAL__;
 
     console.error = jest.fn();
     container = document.createElement('div');
@@ -732,7 +732,7 @@ describe('ReactDOMServerHydration', () => {
         }
 
         // @TODO FB bundles use a different renderer that does not serialize errors to the client
-        const mismatchEl = __WWW__ ? '<p>' : '<template>';
+        const mismatchEl = usingPartialRenderer ? '<p>' : '<template>';
         // @TODO changes made to sending Fizz errors to client led to the insertion of templates in client rendered
         // suspense boundaries. This leaks in this test becuase the client rendered suspense boundary appears like
         // unhydrated tail nodes and this template is the first match. When we add special case handling for client
@@ -821,7 +821,7 @@ describe('ReactDOMServerHydration', () => {
         }
         // We gate this assertion becuase fb-classic uses PartialRenderer for renderToString and it does not
         // serialize server errors and send to client
-        if (__WWW__) {
+        if (usingPartialRenderer) {
           expect(testMismatch(Mismatch)).toMatchInlineSnapshot(`
             Array [
               "Caught [The server could not finish this Suspense boundary, likely due to an error during server rendering. Switched to client rendering.]",
@@ -856,7 +856,7 @@ describe('ReactDOMServerHydration', () => {
         }
         // We gate this assertion becuase fb-classic uses PartialRenderer for renderToString and it does not
         // serialize server errors and send to client
-        if (__WWW__) {
+        if (usingPartialRenderer) {
           expect(testMismatch(Mismatch)).toMatchInlineSnapshot(`
             Array [
               "Caught [The server could not finish this Suspense boundary, likely due to an error during server rendering. Switched to client rendering.]",

packages/react-dom/src/__tests__/ReactDOMServerPartialHydration-test.internal.js

@@ -19,7 +19,7 @@ let Suspense;
 let SuspenseList;
 let act;
 let IdleEventPriority;
-let __WWW__;
+let usingPartialRenderer;
 
 function normalizeCodeLocInfo(strOrErr) {
   if (strOrErr && strOrErr.replace) {
@@ -111,7 +111,7 @@ describe('ReactDOMServerPartialHydration', () => {
       SuspenseList = React.SuspenseList;
     }
 
-    __WWW__ = global.__WWW__;
+    usingPartialRenderer = global.__WWW__ && !__EXPERIMENTAL__;
 
     IdleEventPriority = require('react-reconciler/constants').IdleEventPriority;
   });
@@ -1671,8 +1671,8 @@ describe('ReactDOMServerPartialHydration', () => {
         Scheduler.unstable_yieldValue(error.message);
       },
     });
-    // we exclude dev fb bundles
-    if (__DEV__ && !__WWW__) {
+    // we exclude fb bundles with partial renderer
+    if (__DEV__ && !usingPartialRenderer) {
       expect(Scheduler).toFlushAndYield([
         'This Suspense boundary was aborted by the server.',
       ]);
@@ -1739,8 +1739,8 @@ describe('ReactDOMServerPartialHydration', () => {
         Scheduler.unstable_yieldValue(error.message);
       },
     });
-    // we exclude dev fb bundles
-    if (__DEV__ && !__WWW__) {
+    // we exclude fb bundles with partial renderer
+    if (__DEV__ && !usingPartialRenderer) {
       expect(Scheduler).toFlushAndYield([
         'This Suspense boundary was aborted by the server.',
       ]);
@@ -1812,8 +1812,8 @@ describe('ReactDOMServerPartialHydration', () => {
         Scheduler.unstable_yieldValue(error.message);
       },
     });
-    // we exclude dev fb bundles
-    if (__DEV__ && !__WWW__) {
+    // we exclude fb bundles with partial renderer
+    if (__DEV__ && !usingPartialRenderer) {
       expect(Scheduler).toFlushAndYield([
         'This Suspense boundary was aborted by the server.',
       ]);
@@ -2136,8 +2136,8 @@ describe('ReactDOMServerPartialHydration', () => {
     });
 
     suspend = true;
-    // we exclude fb-classic as well by requiring __EXPERIMENTAL__
-    if (__DEV__ && __EXPERIMENTAL__) {
+    // we exclude fb bundles with partial renderer
+    if (__DEV__ && !usingPartialRenderer) {
       expect(Scheduler).toFlushAndYield([
         'This Suspense boundary was aborted by the server.',
       ]);
@@ -2205,8 +2205,8 @@ describe('ReactDOMServerPartialHydration', () => {
         Scheduler.unstable_yieldValue(error.message);
       },
     });
-    // we exclude dev fb bundles
-    if (__DEV__ && !__WWW__) {
+    // we exclude fb bundles with partial renderer
+    if (__DEV__ && !usingPartialRenderer) {
       expect(Scheduler).toFlushAndYield([
         'This Suspense boundary was aborted by the server.',
       ]);