isolatedDeclarations wrongly enabled in VSCode

[Jack-Works]

🔎 Search Terms

isolatedDeclaration

🕗 Version & Regression Information

5.5.0-beta

⏯ Playground Link

https://github.com/Jack-Works/reproduce/tree/main/typescript-5.5-isolatedDeclarations-vscode

💻 Code

git clone https://github.com/Jack-Works/reproduce/ --filter=blob:none
cd typescript-5.5-isolatedDeclarations-vscode
code . # start vscode at the current directory

Open b/index.ts in the editor. (you must not open a/index.ts otherwise the error won't appear)

🙁 Actual behavior

But A does not have isolatedDeclarations enabled.

If you open a/index.ts, the error is gone, and if you close it, the error appears again.

🙂 Expected behavior

Works

Additional information about the issue

No response

[RyanCavanaugh]

Requires this setting to be on

[RyanCavanaugh]

@sheetalkamat what's the logic that usually prevents this from happening (settings in the referring project being wrongly applied to the imported file) ?

[sheetalkamat]

Its a bug. We skip semantic diagnostics for these kind of files from referenced project, we should also skip emit diagnostics.