TypeScript Syntax highlighting is wrong when comment... | microsoft/TypeScript-TmLanguage

Dieses Issue hat noch niemand übernommen.

Type: Bug

Syntax highlighting in TypeScript is wrong in cases where there are comments in the type.

type MyType =
  | null //
  | undefined;

let test:
  | null //
  | undefined;

let test2:
  | "a" //
  | null;

let a: null | "a"; //

let b: //
  null | "a";

let c: "a" | null;

let d:
  | "a" //
  | null;

let e:
  | "a" //
  | null
  | undefined;

let f:
  | "a"
  | null //
  | undefined;

let g:
  | "a"
  | null
  //
  | undefined;

type A = {
  a: null | undefined;
  b:
  | null //
  | undefined;
  c: //
  null | undefined;
  d:
  | "a" //
  | undefined
  | null //
  | true;
};

Below is a screenshot of the same code in VSCode and in the TypeScript playground. The typescript playground textmate grammar seems to handle all these cases correctly, but the VSCode one doesn't. Please note that there are some differences in the theme (property names are blue, keywords in type definitions are green), but the VSCode grammar is inconsistent with itself.

Keywords: Textmate Grammar

VS Code version: Code - Insiders 1.82.0-insider (d62534a60f7eb4280bcbee66bbd84a2e15f13765, 2023-08-10T05:33:20.243Z)
OS version: Windows_NT x64 10.0.22000
Modes:
Remote OS version: Linux x64 5.15.90.1-microsoft-standard-WSL2
Remote OS version: Linux x64 5.15.90.1-microsoft-standard-WSL2

System Info

Item	Value
CPUs	AMD Ryzen 9 5900X 12-Core Processor (24 x 4200)
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 video_decode: enabled video_encode: enabled vulkan: disabled_off webgl: enabled webgl2: enabled webgpu: enabled
Load (avg)	undefined
Memory (System)	31.92GB (5.45GB free)
Process Argv	--crash-reporter-id 68f6fdac-c31a-432d-8c54-337698814abd
Screen Reader	no
VM	0%

Item	Value
Remote	WSL: Ubuntu
OS	Linux x64 5.15.90.1-microsoft-standard-WSL2
CPUs	AMD Ryzen 9 5900X 12-Core Processor (24 x 4200)
Memory (System)	15.58GB (5.49GB free)
VM	0%

Item	Value
Remote	WSL: Ubuntu
OS	Linux x64 5.15.90.1-microsoft-standard-WSL2
CPUs	AMD Ryzen 9 5900X 12-Core Processor (24 x 4200)
Memory (System)	15.58GB (5.49GB free)
VM	0%

Extensions: none

A/B Experiments

vsliv695:30137379
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vspor363:30204092
vstes627:30244334
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pythontb:30258533
vsc_aacf:30263846
pythonptprofiler:30281269
vshan820:30294714
vscod805:30301674
bridge0708:30335490
bridge0723:30353136
vsaa593:30376534
pythonvs932:30404738
py29gd2263:30784851
vsclangdf:30492506
c4g48928:30535728
dsvsc012:30540252
pynewext54:30618038
2i9eh265:30646982
showlangstatbar:30737417
24365598:30687740
pythonfmttext:30716741
fixshowwlkth:30771523
showindicator:30805243
pythongtdpath:30726887
i26e3531:30792625
gsofa:30797620
welcomedialog:30812478
pythonnosmt12:30779711
pythonidxpt:30768918
pythonnoceb:30776497
copilotsettingt:30808721
dsvsc013:30777762
dsvsc014:30777825
diffeditorv2:30786206
pythonmhint1:30815193

Beginne damit, die TypeScript TextMate-Grammatikregeln in diesem Repository zu lokalisieren, und reproduziere das Problem mit den TypeScript-Beispielen im Bericht. Vergleiche die Hervorhebung von Kommentaren innerhalb von Typdefinitionen mit VS Code und dem TypeScript playground. Als erledigt gilt die Aufgabe, wenn die betroffenen Fälle konsistent hervorgehoben werden, ohne das bestehende Verhalten der Grammatik zu beeinträchtigen.

Vom Indexierungsmodell aus dem Issue-Text verfasst.

TypeScript Syntax highlighting is wrong when comments are inside type definition

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