Merge branch 'main' into rh/empty-string

Author: rickhanlonii

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

@@ -537,7 +537,6 @@ describe('ReactCompositeComponent', () => {
   });
 
   it('should cleanup even if render() fatals', async () => {
-    const dispatcherEnabled = __DEV__ || gate(flags => flags.enableCache);
     const ownerEnabled = __DEV__;
 
     let stashedDispatcher;
@@ -551,7 +550,7 @@ describe('ReactCompositeComponent', () => {
     }
 
     const instance = <BadComponent />;
-    expect(ReactSharedInternals.A).toBe(dispatcherEnabled ? null : undefined);
+    expect(ReactSharedInternals.A).toBe(null);
 
     const root = ReactDOMClient.createRoot(document.createElement('div'));
     await expect(async () => {
@@ -560,15 +559,11 @@ describe('ReactCompositeComponent', () => {
       });
     }).rejects.toThrow();
 
-    expect(ReactSharedInternals.A).toBe(dispatcherEnabled ? null : undefined);
-    if (dispatcherEnabled) {
-      if (ownerEnabled) {
-        expect(stashedDispatcher.getOwner()).toBe(null);
-      } else {
-        expect(stashedDispatcher.getOwner).toBe(undefined);
-      }
+    expect(ReactSharedInternals.A).toBe(null);
+    if (ownerEnabled) {
+      expect(stashedDispatcher.getOwner()).toBe(null);
     } else {
-      expect(stashedDispatcher).toBe(undefined);
+      expect(stashedDispatcher.getOwner).toBe(undefined);
     }
   });
 

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

@@ -37,56 +37,6 @@ describe('ReactDOMServerIntegration', () => {
     resetModules();
   });
 
-  // Test pragmas don't support itRenders abstraction
-  if (
-    __EXPERIMENTAL__ &&
-    require('shared/ReactFeatureFlags').enableDebugTracing
-  ) {
-    describe('React.unstable_DebugTracingMode', () => {
-      beforeEach(() => {
-        spyOnDevAndProd(console, 'log');
-      });
-
-      itRenders('with one child', async render => {
-        const e = await render(
-          <React.unstable_DebugTracingMode>
-            <div>text1</div>
-          </React.unstable_DebugTracingMode>,
-        );
-        const parent = e.parentNode;
-        expect(parent.childNodes[0].tagName).toBe('DIV');
-      });
-
-      itRenders('mode with several children', async render => {
-        const Header = props => {
-          return <p>header</p>;
-        };
-        const Footer = props => {
-          return (
-            <React.unstable_DebugTracingMode>
-              <h2>footer</h2>
-              <h3>about</h3>
-            </React.unstable_DebugTracingMode>
-          );
-        };
-        const e = await render(
-          <React.unstable_DebugTracingMode>
-            <div>text1</div>
-            <span>text2</span>
-            <Header />
-            <Footer />
-          </React.unstable_DebugTracingMode>,
-        );
-        const parent = e.parentNode;
-        expect(parent.childNodes[0].tagName).toBe('DIV');
-        expect(parent.childNodes[1].tagName).toBe('SPAN');
-        expect(parent.childNodes[2].tagName).toBe('P');
-        expect(parent.childNodes[3].tagName).toBe('H2');
-        expect(parent.childNodes[4].tagName).toBe('H3');
-      });
-    });
-  }
-
   describe('React.StrictMode', () => {
     itRenders('a strict mode with one child', async render => {
       const e = await render(

packages/react-markup/src/__tests__/ReactMarkupServer-test.js

@@ -209,7 +209,6 @@ if (!__EXPERIMENTAL__) {
       );
     });
 
-    // @gate enableCache
     it('supports cache', async () => {
       let counter = 0;
       const getCount = React.cache(() => {

packages/react-reconciler/src/DebugTracing.js

@@ -32,7 +32,6 @@ import {
   enableScopeAPI,
   enableLegacyHidden,
   enableTransitionTracing,
-  enableDebugTracing,
   enableDO_NOT_USE_disableStrictPassiveEffect,
   enableRenderableContext,
   disableLegacyMode,
@@ -80,7 +79,6 @@ import {NoLanes} from './ReactFiberLane';
 import {
   NoMode,
   ConcurrentMode,
-  DebugTracingMode,
   ProfileMode,
   StrictLegacyMode,
   StrictEffectsMode,
@@ -89,7 +87,6 @@ import {
 import {
   REACT_FORWARD_REF_TYPE,
   REACT_FRAGMENT_TYPE,
-  REACT_DEBUG_TRACING_MODE_TYPE,
   REACT_STRICT_MODE_TYPE,
   REACT_PROFILER_TYPE,
   REACT_PROVIDER_TYPE,
@@ -630,13 +627,6 @@ export function createFiberFromTypeAndProps(
           return createFiberFromTracingMarker(pendingProps, mode, lanes, key);
         }
       // Fall through
-      case REACT_DEBUG_TRACING_MODE_TYPE:
-        if (enableDebugTracing) {
-          fiberTag = Mode;
-          mode |= DebugTracingMode;
-          break;
-        }
-      // Fall through
       default: {
         if (typeof type === 'object' && type !== null) {
           switch (type.$$typeof) {

packages/react-reconciler/src/ReactFiber.js

@@ -10,16 +10,12 @@
 import type {AsyncDispatcher, Fiber} from './ReactInternalTypes';
 import type {Cache} from './ReactFiberCacheComponent';
 
-import {enableCache} from 'shared/ReactFeatureFlags';
 import {readContext} from './ReactFiberNewContext';
 import {CacheContext} from './ReactFiberCacheComponent';
 
 import {current as currentOwner} from './ReactCurrentFiber';
 
 function getCacheForType<T>(resourceType: () => T): T {
-  if (!enableCache) {
-    throw new Error('Not implemented.');
-  }
   const cache: Cache = readContext(CacheContext);
   let cacheForType: T | void = (cache.data.get(resourceType): any);
   if (cacheForType === undefined) {