Support Angular component testing with HTML file templates

[NateRadebaugh]

What version of Bun is running?

No response

What platform is your computer?

No response

What steps can reproduce the bug?

1. Clone repo, bun install

https://github.com/sp90/treaty

2. Run bun test. Everything works and tests pass
3. Move template HTML in post.component.ts to post.component HTML and update template URL to "./post.component.html"
4. Run bun test

Did you run and wait for 'resolveComponentResources()'?

What is the expected behavior?

Expected: should work and tests pass

What do you see instead?

Actual: exception is thrown initialize component for testing

Did you run and wait for 'resolveComponentResources()'?

Additional information

I understand theoretically this may need a custom bun plugin to integrate with the Angular parser.

Prior art:

• https://github.com/thymikee/jest-preset-angular
• https://github.com/analogjs/analog/tree/beta/packages/vitest-angular