[Vitest]: Incorrect filepaths for test files in reporters

[DmitryMakhnev]

Command

test

Is this a regression?

• Yes, this behavior used to work in the previous version

The previous version in which this bug was not present was

No response

Description

Incorrect filepaths for test files in reporters.

I run tests for .ts file but in in console and reporter filepath see .js file.

Default reporter:

Custom reporter:

Minimal Reproduction

https://github.com/DmitryMakhnev/ng20-vitest-not-mapped-filepath-in-reporter

Exception or Error

Your Environment

Angular CLI: 20.0.1
Node: 22.15.0
Package Manager: npm 10.9.2
OS: darwin arm64

Angular: 20.0.2
... common, compiler, compiler-cli, core, forms
... platform-browser, router

Package                      Version
------------------------------------------------------
@angular-devkit/architect    0.2000.1
@angular-devkit/core         20.0.1
@angular-devkit/schematics   20.0.1
@angular/build               20.0.1
@angular/cli                 20.0.1
@schematics/angular          20.0.1
rxjs                         7.8.2
typescript                   5.8.3

Anything else relevant?

No response