Typescript type hint problem

[zero9527]

Type: Bug

使用一段时间后，鼠标移到变量或者typescript类型上面，会有以下问题：

• 没有类型提示，没有任何反应，此时按住command同时点击鼠标左键可以正常跳到实现

正常会有浮层提示类型，重启VS Code之后正常，但是使用一段时间之后还会出现

After using it for a while, when you move the mouse over a variable or typescript type, the following problems will occur:

• No type hint, no response, at this time, hold down command and click the left mouse button to jump to the implementation

Normally, there will be a floating layer prompt type, it will be normal after restarting VS Code, but it will still appear after using it for a while

• Normal display The mouse pointer is at the arrow position

• problem The mouse pointer is at the arrow position

Version: 1.96.0-insider (Universal) Commit: 91bf2f3b96a337c05fdd30dbfe609ae780b74706 Date: 2024-11-19T05:04:26.087Z Electron: 32.2.3 ElectronBuildId: 10561341 Chromium: 128.0.6613.186 Node.js: 20.18.0 V8: 12.8.374.38-electron.0 OS: Darwin x64 22.6.0

VS Code version: Code 1.95.1 (65edc4939843c90c34d61f4ce11704f09d3e5cb6, 2024-10-31T05:14:54.222Z) OS version: Darwin x64 22.6.0 Modes:

System Info

Item	Value
CPUs	Intel(R) Core(TM) i9-9880H CPU @ 2.30GHz (16 x 2300)
GPU Status	2d_canvas: enabled canvas_oop_rasterization: disabled_off direct_rendering_display_compositor: disabled_off_ok gpu_compositing: enabled multiple_raster_threads: enabled_on opengl: enabled_on rasterization: enabled raw_draw: disabled_off_ok skia_graphite: disabled_off video_decode: enabled video_encode: enabled webgl: enabled webgl2: enabled webgpu: enabled webnn: disabled_off
Load (avg)	4, 3, 2
Memory (System)	16.00GB (1.19GB free)
Process Argv	--crash-reporter-id df018b86-dcb3-4093-a0fe-1df1f758d245
Screen Reader	no
VM	0%

Extensions (7)

Extension	Author (truncated)	Version
markdown-mermaid	bie	1.26.0
vscode-eslint	dba	3.0.13
prettier-vscode	esb	11.0.0
githd	hui	2.5.3
vscode-language-pack-zh-hans	MS-	1.95.2024103009
volar	Vue	2.1.10
material-theme	zhu	3.17.5

A/B Experiments

vsliv368:30146709
vspor879:30202332
vspor708:30202333
vspor363:30204092
vscod805cf:30301675
binariesv615:30325510
vsaa593cf:30376535
py29gd2263:31024239
vscaat:30438848
c4g48928:30535728
azure-dev_surveyone:30548225
vscrpc:30673769
962ge761:30959799
pythongtdpath:30769146
pythonnoceb:30805159
asynctok:30898717
pythonmypyd1:30879173
2e7ec940:31000449
pythontbext0:30879054
cppperfnew:31000557
dsvsc020:30976470
pythonait:31006305
dsvsc021:30996838
jg8ic977:31013176
dvdeprecation:31068756
dwnewjupytercf:31046870
impr_priority:31102340
nativerepl1:31139838
refactort:31108082
pythonrstrctxt:31112756
cf971741:31144450
iacca1:31171482
notype1cf:31157160
5fd0e150:31155592
dwcopilot:31170013

[vs-code-engineering[bot]]

感谢您创建此问题！

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---

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[mjbvz]

Does this reproduce in the latest VS Code insiders build with all extensions disabled?

[zero9527]

Does this reproduce in the latest VS Code insiders build with all extensions disabled?

No, i did not install the latest VS Code insiders build, but i will give it a try.

I have tried Troubleshoot issue and the problem, but it only worked after restarting VSCode

[zero9527]

Does this reproduce in the latest VS Code insiders build with all extensions disabled?

Yes, I tried it today, and the problem still exists. I put the mouse on age, but there is no pop-up prompt for specific error information.

Version: 1.96.0-insider (Universal) Commit: 91bf2f3b96a337c05fdd30dbfe609ae780b74706 Date: 2024-11-19T05:04:26.087Z Electron: 32.2.3 ElectronBuildId: 10561341 Chromium: 128.0.6613.186 Node.js: 20.18.0 V8: 12.8.374.38-electron.0 OS: Darwin x64 22.6.0

[mjbvz]

Please share the code that demonstrates the issue as text so we can easily test this. Thanks

[zero9527]

Please share the code that demonstrates the issue as text so we can easily test this. Thanks

In age: '2', when you move the mouse over it, an error message is expected to appear. Generally, it will disappear after a few minutes of writing the code. It is expected that the message will still appear normally.

type foo = { name: string; age: string };
type coo = { age: number; sex: string };

type Merge<T extends object, U extends object> = U & {
  [K in keyof T as K extends keyof U ? never : K]: T[K];
};

type Result2 = Merge<foo, coo>; // expected to be {name: string, age: number, sex: string}

const res: Result2 = {
  name: '',
  age: '2',
  sex: ''
};

[RyanCavanaugh]

We need a concrete way to repro this

[zero9527]

This maybe a VSCode issue, in a Rust Project with actix-web, there is also has same problem, after coding a few minutes.