Upgrade to Angular 21

Proprietary

Migrates Angular 20.x applications to Angular 21. This includes running the Angular 20 migration first, flagging Karma test runner usage for Vitest migration, deprecated NgClass, zone.js-dependent test helpers, and upgrading TypeScript to 5.9.x.

org.openrewrite.angular.UpgradeToAngular21
mod run . --recipe=org.openrewrite.angular.UpgradeToAngular21

Install it once, then run it on every repository under the current directory. New to the Moderne CLI? Set it up.

Recipe list

It runs these recipes, in this order.

  1. Upgrade to Angular 21 (code changes)
  2. org.openrewrite.javascript.UpgradeDependencyVersion
  3. org.openrewrite.javascript.UpgradeDependencyVersion
  4. org.openrewrite.javascript.UpgradeDependencyVersion
  5. org.openrewrite.javascript.UpgradeDependencyVersion
  6. org.openrewrite.javascript.UpgradeDependencyVersion
  7. org.openrewrite.javascript.UpgradeDependencyVersion
  8. org.openrewrite.javascript.UpgradeDependencyVersion
  9. org.openrewrite.javascript.UpgradeDependencyVersion