Update React types (#75245)

Allows us to remove some `any` casts and `@ts-expect-error`.

Author: eps1lon

package.json

@@ -118,8 +118,8 @@
     "@types/jest": "29.5.5",
     "@types/node": "20.17.6",
     "@types/node-fetch": "2.6.1",
-    "@types/react": "19.0.0",
-    "@types/react-dom": "19.0.0",
+    "@types/react": "19.0.8",
+    "@types/react-dom": "19.0.3",
     "@types/relay-runtime": "14.1.13",
     "@types/string-hash": "1.1.1",
     "@types/trusted-types": "2.0.3",
@@ -271,8 +271,8 @@
       "@babel/parser": "7.22.5",
       "@babel/types": "7.22.5",
       "@babel/traverse": "7.22.5",
-      "@types/react": "19.0.0",
-      "@types/react-dom": "19.0.0",
+      "@types/react": "19.0.8",
+      "@types/react-dom": "19.0.3",
       "jest-snapshot": "30.0.0-alpha.6",
       "react": "19.1.0-canary-ae9017ce-20250122",
       "react-dom": "19.1.0-canary-ae9017ce-20250122",

packages/next/package.json

@@ -206,8 +206,8 @@
     "@types/path-to-regexp": "1.7.0",
     "@types/picomatch": "2.3.3",
     "@types/platform": "1.3.4",
-    "@types/react": "19.0.0",
-    "@types/react-dom": "19.0.0",
+    "@types/react": "19.0.8",
+    "@types/react-dom": "19.0.8",
     "@types/react-is": "18.2.4",
     "@types/semver": "7.3.1",
     "@types/send": "0.14.4",

packages/next/src/client/components/app-router.tsx

@@ -234,10 +234,6 @@ function Head({
   // We use `useDeferredValue` to handle switching between the prefetched and
   // final values. The second argument is returned on initial render, then it
   // re-renders with the first argument.
-  //
-  // @ts-expect-error The second argument to `useDeferredValue` is only
-  // available in the experimental builds. When its disabled, it will always
-  // return `head`.
   return useDeferredValue(head, resolvedPrefetchRsc)
 }
 

packages/next/src/client/components/errors/stitched-error.ts

@@ -6,12 +6,12 @@ const REACT_ERROR_STACK_BOTTOM_FRAME_REGEX = new RegExp(
   `(at ${REACT_ERROR_STACK_BOTTOM_FRAME} )|(${REACT_ERROR_STACK_BOTTOM_FRAME}\\@)`
 )
 
-const captureOwnerStack = (React as any).captureOwnerStack
-  ? (React as any).captureOwnerStack
+const captureOwnerStack = React.captureOwnerStack
+  ? React.captureOwnerStack
   : () => ''
 
 export function getReactStitchedError<T = unknown>(err: T): Error | T {
-  if (typeof (React as any).captureOwnerStack !== 'function') {
+  if (typeof React.captureOwnerStack !== 'function') {
     return err
   }
   const isErrorInstance = isError(err)

packages/next/src/client/components/layout-router.tsx

@@ -352,10 +352,6 @@ function InnerLayoutRouter({
   // We use `useDeferredValue` to handle switching between the prefetched and
   // final values. The second argument is returned on initial render, then it
   // re-renders with the first argument.
-  //
-  // @ts-expect-error The second argument to `useDeferredValue` is only
-  // available in the experimental builds. When its disabled, it will always
-  // return `rsc`.
   const rsc: any = useDeferredValue(cacheNode.rsc, resolvedPrefetchRsc)
 
   // `rsc` is either a React node or a promise for a React node, except we