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Typescript 4.7.3 bracketed class property compilation error strictPropertyInitialization:true #49594
Description
Bug Report
🔎 Search Terms
strictPropertyInitialization bracketed class property
🕗 Version & Regression Information
Typescript 4.7.3, 4.7.2
⏯ Playground Link
Playground link with relevant code
💻 Code
enum A {
A = 'A',
B = 'B'
}
class B {
[A.A]: string;
constructor() {
this[A.A] = '1';
this.A = '1';
this['A'] = '1';
}
}🙁 Actual behavior
Compilation error:
Error: Property '[A.A]' has no initializer and is not definitely assigned in the constructor.
🙂 Expected behavior
Seems it should be compiled without errors.
Activity
jcalz commentedon Jun 17, 2022
Probably related to #45974 aka "Control-Flow Analysis for Bracketed Element Access". Could you please edit your post to fill out the bug report template to help the TS team?
BzenkoSergey commentedon Oct 31, 2022
Ryan Cavanaugh (@RyanCavanaugh) still not working
https://www.typescriptlang.org/play?ts=4.8.4#code/KYOwrgtgBAglDeBYAUFWUC8UDkNsBoU0AhTHY7FAXxRQGMAbAQwGcWpSlUoBtGAOhgBdAFxQWAFwBOASxABzANy1udAPYhJUsHQlqpACgCUCImigSAFjJZ9BQstgCM2ZdzRWbgxy7fmL1ra42A5Yzq5mNMhUQA
RyanCavanaugh commentedon Oct 31, 2022
It works in nightly. You have the Playground set to a build that was produced before the PR was merged.