tsc with allowJs reports TS9005 error for nested anonymous constructor functions

🔎 Search Terms

TS9005: Declaration emit for this file requires using private name '(Anonymous function)'. An explicit type annotation may unblock declaration emit.

🕗 Version & Regression Information

• Occurs on versions 3.7.5 - nightly
• Related to PR #55472

Related to #55172
When 2 separate nested this bindings are used within constructor functions, the following error's returned always at the top of the file (this was really annoying to debug 😅)

Declaration emit for this file requires using private name '(Anonymous function)'. An explicit type annotation may unblock declaration emit.

⏯ Playground Link

https://tsplay.dev/NV57Gw

💻 Code

const a = new function () {
	this.b = new function () {
		this.c = 1
	}
}

🙁 Actual behavior

Complains

🙂 Expected behavior

Shouldn't complain

Additional information about the issue

No response

リンクされた TypeScript Playground の再現例から始め、関連する宣言出力の動作について PR #55472 と issue #55172 を読んでください。allowJs を使用したネストされた匿名コンストラクターの例で TS9005 が報告されなくなり、宣言出力が引き続き成功すれば、作業は完了です。