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[next-upgrade] Fall back to npx if yarn dlx is not available #86384

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Merged
merged 1 commit into from
Nov 26, 2025
+18 −8
Merged

[next-upgrade] Fall back to npx if yarn dlx is not available #86384

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26 changes: 18 additions & 8 deletions packages/next-codemod/bin/upgrade.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -203,7 +203,7 @@ export async function runUpgrade(

let shouldRunReactCodemods = false
let shouldRunReactTypesCodemods = false
let execCommand = 'npx'
let execCommand = 'npx --yes'
// The following React codemods are for React 19
if (
!shouldStayOnReact18 &&
Expand All @@ -213,13 +213,7 @@ export async function runUpgrade(
shouldRunReactCodemods = await suggestReactCodemods()
shouldRunReactTypesCodemods = await suggestReactTypesCodemods()

const execCommandMap = {
yarn: 'yarn dlx',
pnpm: 'pnpx',
bun: 'bunx',
npm: 'npx',
}
execCommand = execCommandMap[packageManager]
execCommand = getNpxCommand(packageManager)
}

fs.writeFileSync(appPackageJsonPath, JSON.stringify(appPackageJson, null, 2))
Expand Down Expand Up @@ -740,3 +734,19 @@ function warnDependenciesOutOfRange(
})
}
}

function getNpxCommand(pkgManager: PackageManager) {
let command = 'npx --yes'
if (pkgManager === 'pnpm') {
command = 'pnpm --silent dlx'
} else if (pkgManager === 'yarn') {
try {
execSync('yarn dlx --help', { stdio: 'ignore', cwd })
command = 'yarn --quiet dlx'
} catch {}
} else if (pkgManager === 'bun') {
command = 'bunx'
}

return command
}
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