Require React 19 beta during build

eps1lon · eps1lon · commit f4d71663fda1 · 2024-05-23T13:26:16.000+02:00
diff --git a/packages/next/src/build/webpack-config.ts b/packages/next/src/build/webpack-config.ts
@@ -104,8 +104,10 @@ const NEXT_PROJECT_ROOT_DIST_CLIENT = path.join(
   'client'
 )
 
-if (parseInt(React.version) < 19) {
-  throw new Error('Next.js requires react >= 19.0.0 to be installed.')
+if (React.version !== '19.0.0-rc-f994737d14-20240522') {
+  throw new Error(
+    `Next.js requires react 19.0.0-rc-f994737d14-20240522 to be installed. Got version '${React.version}' instead.`
+  )
 }
 
 export const babelIncludeRegexes: RegExp[] = [

Original file line number	Diff line number	Diff line change
`@@ -104,8 +104,10 @@ const NEXT_PROJECT_ROOT_DIST_CLIENT = path.join(`
`104`	`104`	`'client'`
`105`	`105`	`)`
`106`	`106`
`107`		`-if (parseInt(React.version) < 19) {`
`108`		`- throw new Error('Next.js requires react >= 19.0.0 to be installed.')`
	`107`	`+if (React.version !== '19.0.0-rc-f994737d14-20240522') {`
	`108`	`+ throw new Error(`
	`109`	+ `Next.js requires react 19.0.0-rc-f994737d14-20240522 to be installed. Got version '${React.version}' instead.`
	`110`	`+ )`
`109`	`111`	`}`
`110`	`112`
`111`	`113`	`export const babelIncludeRegexes: RegExp[] = [`