microsoft/vscode-css-languageservice

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CSS, LESS & SCSS language service extracted from VSCode to be reused, e.g in the Monaco editor.

Stars: 384
Forks: 217
Open beginner issues: 0
Indexed issues: 57
Avg merge: 3d 16h
Merged PRs (30d): 14

Dominant language: TypeScript
License: MIT
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted

Beginner friendly Everything

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57 open issues indexed

Color decorators: Support color(..) with colorspace Open

microsoft/vscode-css-languageservice#494 · 1 reaction · 1 assignee · Opened Jul 6, 2026
Support `text-autospace` Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

microsoft/vscode-css-languageservice#482 · 1 comment · Opened Mar 18, 2026
Parsing error when } is inside of url Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

microsoft/vscode-css-languageservice#481 · 3 comments · Opened Mar 17, 2026
Add the option to scope custom rules to specific selectors such as a HTML CustomElement (web component) - and provide a value list Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

microsoft/vscode-css-languageservice#471 · Opened Jan 13, 2026
Functions and Mixins module treated as unknown at rules Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

microsoft/vscode-css-languageservice#469 · 1 comment · Opened Dec 31, 2025
Using attr() function with type definition is not supported in css files Open

bug

microsoft/vscode-css-languageservice#470 · 2 comments · 4 reactions · 1 assignee · Opened Dec 19, 2025
Validation fails when LSP used with Kate on Arch Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/vscode-css-languageservice#468 · Opened Dec 19, 2025
Hover tooltips not working for values Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/vscode-css-languageservice#457 · Opened Sep 18, 2025
Show color box even for modern CSS RGB, HSL, OKLCH values Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/vscode-css-languageservice#456 · 3 reactions · Opened Sep 7, 2025
CSS `place-items` code completion Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

microsoft/vscode-css-languageservice#455 · Opened Sep 3, 2025
Support for oklab and oklch color functions INSIDE DIRECTIVES Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/vscode-css-languageservice#453 · 1 comment · 1 reaction · Opened Aug 12, 2025
Baseline in hover cards is not available in .vue files Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/vscode-css-languageservice#447 · Opened Jun 22, 2025
Display not only the description, but also browser info and Baseline status for CSS property values Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/vscode-css-languageservice#442 · 1 comment · 2 reactions · Opened May 25, 2025
Bring back browsers information in hover cards Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

microsoft/vscode-css-languageservice#435 · 2 comments · 6 reactions · Opened Apr 24, 2025
Open link to file from node module declared in SCSS import Open

feature-request

microsoft/vscode-css-languageservice#432 · 1 reaction · 1 assignee · Opened Mar 31, 2025
Add Baseline status to CSS hovercards Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/vscode-css-languageservice#427 · 10 comments · 1 reaction · Opened Mar 17, 2025
Support @view-transition Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

microsoft/vscode-css-languageservice#425 · 1 comment · 8 reactions · Opened Feb 22, 2025
Property autocomplete + syntax highlighting does not trigger inside custom directive blocks Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

microsoft/vscode-css-languageservice#423 · 1 comment · 1 reaction · Opened Feb 6, 2025
Support allow-discrete Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/vscode-css-languageservice#422 · 3 reactions · Opened Feb 3, 2025
extentions error occured Open

Difficulty 4/5 3-5 days Newbie friendliness 10/100

microsoft/vscode-css-languageservice#420 · Opened Dec 22, 2024
False positive when using interpolation inside custom at-rule in scss Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/vscode-css-languageservice#419 · 1 reaction · Opened Dec 21, 2024
Allow URLs in css.customData Open

feature-request

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/vscode-css-languageservice#402 · Opened Aug 13, 2024
Allows to disable CSS variables suggestions Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/vscode-css-languageservice#398 · 1 reaction · Opened Jun 30, 2024
Parse CSS modules syntax for @keyframes :local(ident) Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/vscode-css-languageservice#393 · 2 comments · Opened May 27, 2024
Interpolation in SCSS-files parsed incorrectly with `cq*` units Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

microsoft/vscode-css-languageservice#375 · 2 comments · 3 reactions · Opened Dec 5, 2023
The container property is not supported Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/vscode-css-languageservice#329 · 2 comments · 23 reactions · Opened Feb 22, 2023
import alias Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/vscode-css-languageservice#321 · 2 comments · 3 reactions · Opened Nov 23, 2022
scss: ctrl+click on import from node_modules not working on nested folders Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

microsoft/vscode-css-languageservice#316 · 4 comments · 1 reaction · Opened Nov 16, 2022
Color completion only displays color squares for hex variables Open

Difficulty 2/5 1-3 hours Newbie friendliness 42/100

microsoft/vscode-css-languageservice#314 · 2 comments · 1 reaction · Opened Nov 13, 2022
[SCSS] Specificity values for nested rules are incorrect Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/vscode-css-languageservice#309 · 1 reaction · Opened Nov 9, 2022
Add new CSS color functions Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

microsoft/vscode-css-languageservice#305 · 3 comments · 6 reactions · Opened Nov 6, 2022
Adding values and functions to custom data Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

microsoft/vscode-css-languageservice#282 · 4 reactions · Opened Jul 25, 2022
[scss] (dart) sass module system parsing issues Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/vscode-css-languageservice#278 · 1 comment · 1 reaction · Opened Jun 22, 2022
Show media query when hovering css element Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

microsoft/vscode-css-languageservice#271 · Opened Apr 25, 2022
Sass variable interpolation broken in an unknown at rule value Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

microsoft/vscode-css-languageservice#269 · 4 comments · Opened Mar 31, 2022
Improper handling of `//` and `/*` in unknown at rules in SCSS Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

microsoft/vscode-css-languageservice#266 · Opened Feb 21, 2022
Allow for custom properties to be defined outside a CSS file Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

microsoft/vscode-css-languageservice#261 · 1 comment · 2 reactions · Opened Feb 4, 2022
[SCSS] [Question] Completion support for built-in SCSS/SASS modules Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/vscode-css-languageservice#260 · 2 reactions · Opened Jan 23, 2022
[css] Show multiple elements suggestions Open

feature-request help wanted

microsoft/vscode-css-languageservice#249 · 10 comments · 1 assignee · Opened Sep 17, 2021
[scss] Reassigning a variable from another module is incorrectly flagged as a syntax error Open

bug

microsoft/vscode-css-languageservice#224 · 3 reactions · 1 assignee · Opened Oct 26, 2020
Feature request: configuration option `validAtRules` (for `UnknownAtRules`), just like the existing `validProperties` (for `UnknownProperty`) Open

feature-request

microsoft/vscode-css-languageservice#214 · 1 comment · 4 reactions · 1 assignee · Opened May 5, 2020
[css] support IE repeat syntax Open

feature-request

microsoft/vscode-css-languageservice#211 · 1 comment · 2 reactions · 1 assignee · Opened Mar 8, 2020
Hover does not show information about local symbols without CTRL Open

feature-request help wanted

microsoft/vscode-css-languageservice#199 · 2 comments · 1 assignee · Opened Nov 29, 2019
Put media features as part of Custom Data Contribution Open

custom-data feature-request

microsoft/vscode-css-languageservice#197 · 1 assignee · Opened Nov 27, 2019
Hover does not show information for functions Open

feature-request help wanted

microsoft/vscode-css-languageservice#196 · 1 comment · 1 assignee · Opened Nov 27, 2019
[scss] Add @include with nested selectors to Outline View Open

feature-request help wanted

microsoft/vscode-css-languageservice#193 · 3 comments · 1 reaction · 1 assignee · Opened Nov 13, 2019
Add commitCharacters to completion proposals Open

feature-request

microsoft/vscode-css-languageservice#182 · 1 reaction · 1 assignee · Opened Oct 10, 2019
:not() CSS3 selector is misparsed Open

bug

microsoft/vscode-css-languageservice#169 · 1 assignee · Opened Aug 14, 2019
Symbols are not found across file boundaries Open

feature-request

microsoft/vscode-css-languageservice#162 · 2 comments · 3 reactions · 1 assignee · Opened Jul 6, 2019
CSS variables across files Open

feature-request

microsoft/vscode-css-languageservice#156 · 19 comments · 218 reactions · 1 assignee · Opened May 21, 2019

microsoft/vscode-css-languageservice

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