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Upgrade to Angular 20

Recipe IDorg.openrewrite.angular.UpgradeToAngular20

Artifact@openrewrite/recipes-angular

Migrates Angular 19.x applications to Angular 20. This includes running the Angular 19 migration first, then updating Angular package versions, renaming experimental APIs promoted to stable, and upgrading TypeScript to 5.8.x.

Composite recipeOpenRewriteModerne Proprietary License

Try in PlatformTry this recipe in the Moderne platform. Not a user yet? You’ll get a no-setup demo environment, with nothing to install or configure.

Definition

Recipes12

• Upgrade to Angular 19
• Rename provideExperimentalZonelessChangeDetection to provideZonelessChangeDetection
• Rename provideExperimentalCheckNoChangesForDebug to provideCheckNoChangesForDebug
• Rename afterRender to afterEveryRender
• Replace InjectFlags with options object
• Move DOCUMENT import to @angular/core
• Remove redundant standalone: true
• Remove zone.js polyfill from angular.json
• Upgrade npm dependency version
• Upgrade npm dependency version
• Upgrade npm dependency version
• Upgrade npm dependency version

Usage

Run this recipe

In order to run JavaScript recipes, you will need to use the Moderne CLI. For JavaScript specific configuration instructions, please see our configuring JavaScript guide.

Once the CLI is installed, you can install this JavaScript recipe package by running the following command:

Install the recipe package

mod config recipes npm install @openrewrite/recipes-angular

Then, you can run the recipe via:

Run the recipe

mod run . --recipe org.openrewrite.angular.UpgradeToAngular20