Angular '@angular/cdk' update fails with "extends": "@tsconfig/strictest/tsconfig.json" in tsconfig and workspaces

[wein2011]

Is this a bug report or a feature request?

• Bug Report
• Feature Request

Please provide the steps to reproduce the issue [Bug Report only]

When executing

ng update @angular/cdk

the operations fails with the following error:

** Executing migrations of package '@angular/cdk' **

❯ Updates the Angular CDK to v19.
✖ Migration failed: tsconfig.json:4:14 - error TS6053: File '@tsconfig/strictest/tsconfig.json' not found.

4   "extends": "@tsconfig/strictest/tsconfig.json",

After removing the line

"extends": "@tsconfig/strictest/tsconfig.json"

from tsconfig.common.json, the operations completes successfully.

I attached a simple reproduction which is based on the standard new Angular project.

The differences are:

1. tsconfig.json includes the line: "extends": "@tsconfig/strictest/tsconfig.json"
2. The project migration-test-1 is part of a workspace within the migration-test/package.json file.

The issue only occurs when using the workspaces feature within package.json which changes the default location of node_modules.

In order to reproduce, please follow these steps:

1. Unzip the migration-test.zip file
2. > cd "migration-test"
3. > npm install
   This will create the node_modules folder next to and not within the migration-test-1 folder
4. > cd migration-test-1
5. > ng update @angular/cdk
6. This results in:

Using package manager: npm
Collecting installed dependencies...
Found 24 dependencies.
UPDATE package.json (1116 bytes)
✔ Cleaning node modules directory
✔ Installing packages
** Executing migrations of package '@angular/cdk' **

❯ Updates the Angular CDK to v19.
✖ Migration failed: tsconfig.json:4:14 - error TS6053: File '@tsconfig/strictest/tsconfig.json' not found.

4   "extends": "@tsconfig/strictest/tsconfig.json",

I assume this has to do with the fact that the node_modules are now one level higher. However, this should be ok.

It is likely linked to:
Angular signal input migration fails with "extends": "@tsconfig/strictest/tsconfig.json" in tsconfig

Attached reproduction:

migration-test.zip

Please provide the expected behavior vs the actual behavior you encountered [Bug Report only]

ng update should look for the node_module folder in the parent directory

Please provide a screenshot if possible [Bug Report only]

No response

Please provide the exception or error you saw [Bug Report only]

Is this a browser-specific issue? If so, please specify the device, browser, and version. [Bug Report only]

Description [Feature Request only]

No response

Proposed solution [Feature Request only]

No response

Alternatives considered [Feature Request only]

No response

[alan-agius4]

This behavior is currently expected, as schematics are designed to access only workspace files. However, a feature request is being tracked at #24362 to enable alternative behaviour.

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