haskell / haskell/vscode-haskell
"Redundant bracket" quickfix deletes first line of file
- Dominant language
- TypeScript
- Stars
- 597
- Forks
- 98
- PR merge metrics
- No merged PRs in 30d
Description
Type: Bug
To reproduce:
Create a new file with
```
#!/usr/bin/env stack
-- stack script --snapshot lts-22.28
main = (putStrLn "Hello World")
```
Mouseover the redundant brackets > Quick fix > Apply hint: redundant bracket
Expected: the brackets get deleted
Actual: The first line of the file gets deleted also.
Extension version: 2.4.4
VS Code version: Code 1.96.0 (Universal) (138f619c86f1199955d53b4166bef66ef252935c, 2024-12-11T02:29:09.626Z)
OS version: Darwin arm64 23.3.0
Modes:
System Info
|Item|Value|
|---|---|
|CPUs|Apple M3 Pro (11 x 2400)|
|GPU Status|2d_canvas: enabled
canvas_oop_rasterization: enabled_on
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, 3|
|Memory (System)|18.00GB (1.89GB free)|
|Process Argv|--crash-reporter-id 865ffc34-d8f2-4754-b968-a881341d18fe|
|Screen Reader|no|
|VM|0%|
A/B Experiments
```
vsliv368:30146709
vspor879:30202332
vspor708:30202333
vspor363:30204092
vscod805:30301674
binariesv615:30325510
vsaa593:30376534
py29gd2263:31024239
vscaac:30438847
c4g48928:30535728
azure-dev_surveyone:30548225
2i9eh265:30646982
962ge761:30959799
pythonnoceb:30805159
pythonmypyd1:30879173
h48ei257:31000450
pythontbext0:30879054
cppperfnew:31000557
dsvsc020:30976470
pythonait:31006305
dsvsc021:30996838
dvdeprecation:31068756
dwnewjupyter:31046869
nativerepl2:31139839
pythonrstrctxt:31112756
nativeloc2:31192216
cf971741:31144450
iacca1:31171482
notype1:31157159
5fd0e150:31155592
dwcopilot:31170013
stablechunks:31184530
6074i472:31201624
```
Contributor guide
Research direction
Reproduce the issue in VS Code using the Haskell file and the “redundant bracket” quick fix described above. Trace the quick-fix edit and verify that applying it removes only the brackets, preserves the shebang and other lines, and is covered by a regression test if the project has an applicable test location.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- haskell, typescript, vscode
- Domain
- devtools, tooling
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100