fix(angular): throw an error when providing --serverRouting in setu…

…p-ssr generator for webpack executors (#29614)

<!-- Please make sure you have read the submission guidelines before
posting an PR -->
<!--
https://github.com/nrwl/nx/blob/master/CONTRIBUTING.md#-submitting-a-pr
-->

<!-- Please make sure that your commit message follows our format -->
<!-- Example: `fix(nx): must begin with lowercase` -->

<!-- If this is a particularly complex change or feature addition, you
can request a dedicated Nx release for this pull request branch. Mention
someone from the Nx team or the `@nrwl/nx-pipelines-reviewers` and they
will confirm if the PR warrants its own release for testing purposes,
and generate it for you if appropriate. -->

## Current Behavior
<!-- This is the behavior we have today -->

## Expected Behavior
<!-- This is the behavior we should expect with the changes in this PR
-->

## Related Issue(s)
<!-- Please link the issue being fixed so it gets closed when this is
merged. -->

Fixes #

packages/angular/src/generators/setup-ssr/lib/normalize-options.ts

@@ -33,6 +33,13 @@ export async function normalizeOptions(
     } else {
       options.serverRouting = false;
     }
+  } else if (
+    options.serverRouting !== undefined &&
+    !isUsingApplicationBuilder
+  ) {
+    throw new Error(
+      'Server routing APIs can only be added to a project using `application` builder.'
+    );
   }
 
   const isStandaloneApp = isNgStandaloneApp(tree, options.project);