Microsoft/TypeScript
[ID-Prep] Explicit type annotation of const replaced with initializer in declaration emit
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#57,442 opened on 2024/02/19
Domain: flag: isolatedDeclarationsHelp WantedPossible Improvement
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説明
The [ID-prep] set of issues aligns Declaration Emit with the forthcoming Isolated Declarations feature.
🔎 Search Terms
declarations type annotation const not preserved
🕗 Version & Regression Information
- This is the behavior in every version I tried
⏯ Playground Link
💻 Code
enum E { "some value" = 1 };
const e: typeof E["some value"] = E["some value"];
🙁 Actual behavior
e is emitted in declarations as declare const e = E["some value"];
🙂 Expected behavior
e should have in declarations the type that was manually declared
Additional information about the issue
No response