[upgrade] Version gate adding --turbopack flag (#85180)

devjiwonchoi · vercel[bot] · web-flow · commit 9b34b65cbe61 · 2025-10-21T15:06:15.000-07:00
`--turbopack` flag is not needed for v16 upgrade.

---------

Co-authored-by: vercel[bot] &lt;35613825+vercel[bot]@users.noreply.github.com&gt;
diff --git a/packages/next-codemod/bin/upgrade.ts b/packages/next-codemod/bin/upgrade.ts
@@ -188,7 +188,10 @@ export async function runUpgrade(
         `react@${targetNextPackageJson.peerDependencies['react']}`
       )
 
-  if (compareVersions(targetNextVersion, '15.0.0-canary') >= 0) {
+  if (
+    compareVersions(targetNextVersion, '15.0.0-canary') >= 0 &&
+    compareVersions(targetNextVersion, '16.0.0-canary') < 0
+  ) {
     await suggestTurbopack(appPackageJson, targetNextVersion)
   }
 

Original file line number	Diff line number	Diff line change
`@@ -188,7 +188,10 @@ export async function runUpgrade(`
`188`	`188`	`react@${targetNextPackageJson.peerDependencies['react']}`
`189`	`189`	`)`
`190`	`190`
`191`		`- if (compareVersions(targetNextVersion, '15.0.0-canary') >= 0) {`
	`191`	`+ if (`
	`192`	`+ compareVersions(targetNextVersion, '15.0.0-canary') >= 0 &&`
	`193`	`+ compareVersions(targetNextVersion, '16.0.0-canary') < 0`
	`194`	`+ ) {`
`192`	`195`	`await suggestTurbopack(appPackageJson, targetNextVersion)`
`193`	`196`	`}`
`194`	`197`