Microsoft/TypeScript

Default type imported with `import type` from not-found module not flagged when used as a value

Open

#57,820 opened on 2024幎3月18日

GitHub で芋る
 (3 comments) (0 reactions) (0 assignees)TypeScript (6,726 forks)batch import
BugDomain: BinderHelp Wanted

Repository metrics

Stars
 (48,455 stars)
PR merge metrics
 (平均マヌゞ 6d 17h) (30d で 9 merged PRs)

説明

🔎 Search Terms

cannot be used as a value because it was imported using import type

🕗 Version & Regression Information

  • This is the behavior in every version I tried

⏯ Playground Link

https://www.typescriptlang.org/play?ts=5.4.2#code/JYWwDg9gTgLgBDAnmApnAKnAZlCIBQA9IXAAIwDOAtCgB6oDGMNUuU+ccA5CBACZcA3PnwMIAOwrx4AXgzD8oSLDgBvJKjgBVAL7ZcBYmUo16KJizYduvAQrGT4AVzhytwoA

💻 Code

import type T from
// @ts-expect-error
  'mod';

const t = T;

import {type U} from
// @ts-expect-error
  'mod';

const u = U;

🙁 Actual behavior

TS does not error on the usage of T.

TS errors on the usage of U with the error

'U' cannot be used as a value because it was imported using 'import type'.(1361)

🙂 Expected behavior

TS errors on the usage of T with the error

'T' cannot be used as a value because it was imported using 'import type'.(1361)

TS errors on the usage of U with the error

'U' cannot be used as a value because it was imported using 'import type'.(1361)

Additional information about the issue

No response

コントリビュヌタヌガむド