microsoft / microsoft/TypeScript
Playground typing issue
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Description
### 🔎 Search Terms
TypeScript Playground error when attempting to import something from `@octokit/core/types`
### 🕗 Version & Regression Information
Seems irrelavent to TS version
### ⏯ Playground Link
https://www.typescriptlang.org/play/?#code/JYWwDg9gTgLgBAKjgQwM5wPIGMYQNbAwAqAnmAKboBmUEIcA5AAIQ76ED0W05HMZlBgCghoSLDgBvTGwLwAvnBp1GrXHIYBuEdwB2qeAHNCACwCuAIzgBeOLvIB3GesIAKAJTah5AB7j4egbO7MQCqF6+-nD8FMFypLG2MeQQVHDGMOYW2kA
### 💻 Code
```ts
import * as OctokitTypes from '@octokit/core/types';
```
### 🙁 Actual behavior
**Behavior 1**:
Type of the following variable is recognized as `any`:
```ts
import { Octokit } from 'octokit';
export type T = typeof Octokit;
```
**Behavior 2**:
Type of the following variable is recognized as `any`;
```ts
import * as OctokitTypes from '@octokit/core/types';
export const OctokitTypes;
```
**Behavior 3**: _Even stranger behavior_
In the following code snippet:
```ts
import * as OctokitTypes from '@octokit/core/types';
```
1. Remove any character from package name `@octokit/core/types` (e.g. `@octokit/core/type`), TS error occured, which is expected
2. Re-add the removed character, TS error remained, which is very weird
Apparently there is some problem with the language server, as the package name has been changed to `*/types`, but it still reports error of `*/type`
### 🙂 Expected behavior
N/A
### Additional information about the issue
_No response_
Contributor guide
Research direction
Start by reproducing the three behaviors in the linked TypeScript Playground, focusing on the @octokit/core/types import and the stale diagnostic after editing the package name. Trace the relevant module-resolution or language-server behavior; done means the valid import is resolved with its actual types and diagnostics update after the edit.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- typescript
- Domain
- compilers
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 42/100