dillon1000/react

Commit

fix[devtools/useMemoCache]: add stub for useMemoCache in ReactDebugHook (#27472)

Currently, we have this error in our logs of the internal version of
React DevTools:
```
TypeError: Cannot read properties of undefined (reading 'memoCache')
    at Proxy.useMemoCache (chrome-extension://dnjnjgbfilfphmojnmhliehogmojhclc/build/react_devtools_backend_compact.js:151:71)
```

Looking at the build files of the extension, it fails here:
https://github.com/facebook/react/blob/dddfe688206dafa5646550d351eb9a8e9c53654a/packages/react-debug-tools/src/ReactDebugHooks.js#L333-L337

Looks like `updateQueue` can be `undefined`, as it is not defined in
hook object here:
https://github.com/facebook/react/blob/dddfe688206dafa5646550d351eb9a8e9c53654a/packages/react-reconciler/src/ReactFiberHooks.js#L180-L186

~~Also, it looks like `useMemoCache` implementation doesn't expect this,
so it should also result into TypeError here, line 1114:~~

https://github.com/facebook/react/blob/dddfe688206dafa5646550d351eb9a8e9c53654a/packages/react-reconciler/src/ReactFiberHooks.js#L1108-L1115

~~Should this also be updated?~~
Browse files
Changed paths4 files
First-parent comparison
M packages/react-debug-tools/src/ReactDebugHooks.js ModifiedM packages/react-debug-tools/src/__tests__/ReactHooksInspectionIntegration-test.js ModifiedM packages/react-devtools-shell/src/app/InspectableElements/InspectableElements.js ModifiedA packages/react-devtools-shell/src/app/InspectableElements/UseMemoCache.js Added
Patch

Files changed

Rendering syntax-highlighted changes…