TypeScript
TypeScript copied to clipboard
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 in nightly
- This changed in commit or PR #5472
- This is the behavior in every version I tried
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