microsoft / microsoft/TypeScript
Constructor function in JS not recognized when it's a property of an object literal
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Description
TS Template added by @mjbvz
TypeScript Version: 5.0.1
Search Terms
- parameter hints
- signature help
Type: Bug
The problem is that suggested object parameters do not appear anymore when using the keyword New to initialize a new object, illustrated below.
var test = {
best: function(west){
this.west = west;
}
};
new test.best()
VS Code version: Code 1.75.0 (e2816fe719a4026ffa1ee0189dc89bdfdbafb164, 2023-02-01T15:23:45.584Z)
OS version: Windows_NT x64 10.0.22621
Modes:
Sandboxed: No
System Info
| Item | Value |
|---|---|
| CPUs | 11th Gen Intel(R) Core(TM) i7-1165G7 @ 2.80GHz (8 x 2803) |
| 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_renderer: enabled_on video_decode: enabled video_encode: enabled vulkan: disabled_off webgl: enabled webgl2: enabled webgpu: disabled_off |
| Load (avg) | undefined |
| Memory (System) | 15.69GB (4.19GB free) |
| Process Argv | --crash-reporter-id 30548cfd-b06a-4b29-85b3-53e6455ac4b3 |
| Screen Reader | no |
| VM | 0% |
Extensions (3)
| Extension | Author (truncated) | Version |
|---|---|---|
| csharp | ms- | 1.25.4 |
| intellicode-api-usage-examples | Vis | 0.2.7 |
| vscodeintellicode | Vis | 1.2.30 |
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Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the supplied JavaScript reproduction and investigate the signature-help path for a new expression whose constructor is accessed as an object-literal property. Add a regression test showing that suggested parameters appear for new test.best(, and confirm the test passes with the expected parameter hint.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript, typescript
- Domain
- compilers, developer-experience
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100