cssinjs/jss

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JSS is an authoring tool for CSS which uses JavaScript as a host language.

Stars: 7.1k
Forks: 386
Open beginner issues: 0
Indexed issues: 202

Dominant language: JavaScript
License: MIT
Last GitHub push: May 14, 2024
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted
PR merge metrics: No merged PRs in 30d

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202 open issues indexed

[cli] css/cssx/less/sass/stylus adapter. Open

complexity:high idea

cssinjs/jss#166 · 7 comments · 4 reactions · 0 assignees · Indexed Sep 15, 2026
[jss-use] Plugin which applies any other plugin to the specific rule Open

complexity:moderate idea

cssinjs/jss#189 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[lint-jss] warn about silly mistakes Open

complexity:high feature request idea

cssinjs/jss#255 · 16 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
[repl] Enable to use any converter supported by jss cli Open

complexity:high

cssinjs/jss#270 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[jss-ssr-vendor-prefixer] make it work on server side Open

complexity:moderate important plugin

cssinjs/jss#279 · 27 comments · 7 reactions · 0 assignees · Indexed Sep 15, 2026
Setup codecov Open

complexity:moderate

cssinjs/jss#301 · 12 comments · 0 reactions · 2 assignees · Indexed Sep 15, 2026
Errors and warnings with links to a full description Open

complexity:moderate feature request

cssinjs/jss#302 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[jss-supports] plugin for @supports for IE Open

complexity:moderate idea plugin

cssinjs/jss#322 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[jss-pseudo] Support a short notation for pseudo selectors Open

complexity:moderate enhancement plugin

cssinjs/jss#334 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[react-native] React Native Support Open

complexity:high important

cssinjs/jss#368 · 47 comments · 9 reactions · 0 assignees · Indexed Sep 15, 2026
[jss-nested] move nested conditionals Open

complexity:low

cssinjs/jss#381 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[jss-compose] dynamic composition Open

complexity:moderate feature request

cssinjs/jss#450 · 0 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Write an article about JSS internal mechanics Open

docs

cssinjs/jss#468 · 3 comments · 9 reactions · 0 assignees · Indexed Sep 15, 2026
Basic source maps support Open

complexity:high

cssinjs/jss#469 · 1 comment · 4 reactions · 0 assignees · Indexed Sep 15, 2026
[react-jss][jss-compose] Support function values for composed rules Open

bug complexity:moderate plugin

cssinjs/jss#474 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
[react-native] Function values for React Native Open

complexity:high feature request important

cssinjs/jss#486 · 15 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Stylelint integration Open

complexity:high important

cssinjs/jss#490 · 9 comments · 4 reactions · 0 assignees · Indexed Sep 15, 2026
Intelligently deduplicating rules for function values Open

complexity:high enhancement idea

cssinjs/jss#501 · 1 comment · 7 reactions · 0 assignees · Indexed Sep 15, 2026
Keyframes id should be different if fn values are used Open

bug complexity:high important

cssinjs/jss#513 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Landing page Open

complexity:high important

cssinjs/jss#524 · 40 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
[jss-nested] container.indexOf is not a function Open

bug complexity:moderate plugin

cssinjs/jss#567 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add autocompletion for atom Open

complexity:moderate feature request

cssinjs/jss#575 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Full static extraction to CSS file while keeping all dynamic parts intact. Open

complexity:high feature request important perf

cssinjs/jss#579 · 12 comments · 26 reactions · 0 assignees · Indexed Sep 15, 2026
sheet.addRule API does not work as documented Open

complexity:low docs

cssinjs/jss#604 · 16 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Allow empty styles at runtime Open

complexity:moderate enhancement

cssinjs/jss#617 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[jss-isolate] isolate nested selectors with addRule Open

plugin

cssinjs/jss#619 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
[jss] Support @page rules Open

feature request

cssinjs/jss#620 · 11 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
IE11 bug with media queries and dynamic props Open

bug complexity:moderate

cssinjs/jss#623 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[jss-isolate] support SSR Open

bug complexity:high plugin

cssinjs/jss#647 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
[jss-extend][jss-compose] support array of rule names Open

complexity:moderate feature request plugin

cssinjs/jss#656 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add a rehydrate function Open

complexity:moderate feature request important

cssinjs/jss#677 · 2 comments · 10 reactions · 0 assignees · Indexed Sep 15, 2026
Masterplan for ISTF support Open

complexity:high important

cssinjs/jss#679 · 2 comments · 4 reactions · 0 assignees · Indexed Sep 15, 2026
Warn when someone applies the same plugin more than once Open

complexity:moderate feature request

cssinjs/jss#684 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[jss-default-unit] maintain unitless and non-px props instead Open

complexity:moderate enhancement plugin

cssinjs/jss#687 · 0 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Warn in dev when function values or values in function rules return strings containing !important Open

complexity:low enhancement

cssinjs/jss#697 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[jss-isolate] improve API, so plugin could accept multiple configs Open

complexity:moderate feature request

cssinjs/jss#699 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[SSR] Unused styles detection Open

complexity:moderate enhancement idea

cssinjs/jss#705 · 0 comments · 4 reactions · 0 assignees · Indexed Sep 15, 2026
[jss-expand] background as array of objects Open

complexity:moderate enhancement

cssinjs/jss#711 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[plugin-observable] Observables not working as expected Open

question

cssinjs/jss#735 · 24 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[jss-expand] Add optional syntax for CSS grids templateAreas Open

complexity:moderate feature request

cssinjs/jss#737 · 5 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
[jss-expand] Observables not respected properly Open

complexity:moderate docs enhancement

cssinjs/jss#742 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Extract CSSOM/DOM related utilities into a separate package Open

complexity:moderate important

cssinjs/jss#744 · 13 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Migrate to Jest Open

complexity:moderate

cssinjs/jss#745 · 6 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
[jss-nested][jss-expand][jss-observable][jss-function-values] Dynamic values in nested structures Open

complexity:moderate duplicate enhancement

cssinjs/jss#746 · 14 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Create css function Open

complexity:high feature request

cssinjs/jss#747 · 0 comments · 6 reactions · 0 assignees · Indexed Sep 15, 2026
Check out how flow and typescript types from csstype can be used Open

complexity:moderate feature request help wanted important typescript

cssinjs/jss#776 · 1 comment · 5 reactions · 0 assignees · Indexed Sep 15, 2026
will `sheet.update` recalculate styles for every call? Open

complexity:low docs

cssinjs/jss#799 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[react-jss] Memory leak from CSS transforms Open

question

cssinjs/jss#801 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[react-jss] Testing components with styles. Open

complexity:moderate feature request important

cssinjs/jss#804 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[react-jss] Add renderToNodeStream support Open

complexity:high feature request

cssinjs/jss#807 · 14 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026

cssinjs/jss

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