Function runUpgrade

packages/next-codemod/bin/upgrade.ts:112–426

(
  revision: string | undefined,
  options: { verbose: boolean }
)

}

export async function runUpgrade(
  revision: string | undefined,
  options: { verbose: boolean }
): Promise<void> {
  const { verbose } = options
  const appPackageJsonPath = path.resolve(cwd, 'package.json')
  let appPackageJson = JSON.parse(fs.readFileSync(appPackageJsonPath, 'utf8'))

  const installedNextVersion = getInstalledNextVersion()

  // Resolve semantic keywords to npm version queries
  const resolvedRevision = resolveSemanticRevision(
    revision ?? 'minor',
    installedNextVersion
  )

  if (options.verbose) {
    console.log(`  Resolved upgrade target: ${resolvedRevision}`)
  }

  let targetNextPackageJson: {
    version: string
    peerDependencies: Record<string, string>
  }

  try {
    // First, find the highest matching version
    const versionsJSON = execSync(
      `npm --silent view "next@${resolvedRevision}" --json --field version`,
      { encoding: 'utf-8' }
    )
    const versionOrVersions = JSON.parse(versionsJSON)
    let targetVersion: string
    if (Array.isArray(versionOrVersions)) {
      versionOrVersions.sort(compareVersions)
      targetVersion = versionOrVersions[versionOrVersions.length - 1]
    } else {
      targetVersion = versionOrVersions
    }

    if (options.verbose) {
      console.log(`  Target version: ${targetVersion}`)
    }

    // Then fetch the full package info for that specific version
    const targetNextPackage = execSync(
      `npm --silent view "next@${targetVersion}" --json`,
      { encoding: 'utf-8' }
    )
    targetNextPackageJson = JSON.parse(targetNextPackage)
  } catch (e) {
    if (options.verbose) {
      console.error('  Error fetching package info:', e)
    }
  }

  const validRevision =
    targetNextPackageJson !== null &&