postcss/postcss-selector-parser

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A CSS selector parser, integrates with postcss but does not require it.

Stars: 214
Forks: 63
Open beginner issues: 0
Indexed issues: 30

Dominant language: JavaScript
License: MIT
Last GitHub push: Sep 3, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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30 open issues indexed

Using @csstools/css-tokenizer Open

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

postcss/postcss-selector-parser#338 · Opened Aug 25, 2026
Attribute selector with no valid attribute name throws a raw TypeError, or emits the text "undefined" Open

Difficulty 3/5 1-2 days Newbie friendliness 74/100

postcss/postcss-selector-parser#334 · Opened Aug 7, 2026
[tentative] Add support for `.foo-*` class prefix selectors Open

postcss/postcss-selector-parser#332 · 1 reaction · 2 assignees · Opened Aug 6, 2026
Attribute selector's case-sensitivity identifier `s` Open

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

postcss/postcss-selector-parser#309 · 1 comment · Opened Sep 21, 2025
SCSS interpreter in attribute lost `$` Open

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

postcss/postcss-selector-parser#306 · 2 comments · Opened Feb 20, 2025
excaped characters break selector detection with tailwind v3 Open

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

postcss/postcss-selector-parser#299 · 1 comment · Opened Nov 25, 2024
`lossless: true` option does not preserve trailing spaces in selectors Open

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

postcss/postcss-selector-parser#298 · 1 comment · Opened Oct 28, 2024
node.walk is not a function Open

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

postcss/postcss-selector-parser#265 · 4 comments · 4 reactions · Opened Aug 2, 2022
Would we add `pos` to ast source property Open

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

postcss/postcss-selector-parser#251 · 7 comments · Opened Dec 14, 2021
broken attribute selectors with `\a` and ` ` characters Open

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

postcss/postcss-selector-parser#246 · 1 comment · Opened May 11, 2021
Wrong source and sourceIndex for Sass interpolated selectors Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

postcss/postcss-selector-parser#243 · Opened Apr 30, 2021
Are wildcard attribute selectors supported? Open

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

postcss/postcss-selector-parser#240 · 1 comment · Opened Apr 12, 2021
Not exposing types? Open

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

postcss/postcss-selector-parser#235 · Opened Nov 27, 2020
"API Documentation" page is outdated Open

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

postcss/postcss-selector-parser#231 · Opened Sep 14, 2020
Attribute selector with pipe gets mangled Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

postcss/postcss-selector-parser#229 · 1 comment · Opened Jul 25, 2020
Add a selector equality check Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

postcss/postcss-selector-parser#228 · Opened Jul 20, 2020
can't parse attribute with scss expression Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 38/100

postcss/postcss-selector-parser#211 · Opened Nov 2, 2019
broken ast Open

bug

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

postcss/postcss-selector-parser#204 · 10 comments · Opened Jul 31, 2019
broken ast for `#` and `.` Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 30/100

postcss/postcss-selector-parser#203 · Opened Jun 4, 2019
broken ast for `:foo() {}` Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 30/100

postcss/postcss-selector-parser#202 · 2 comments · Opened Jun 4, 2019
broken stringify for `[ *|href ]` Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

postcss/postcss-selector-parser#200 · Opened Mar 19, 2019
doesn't throw error on invalid attribute Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 40/100

postcss/postcss-selector-parser#199 · Opened Mar 19, 2019
broken api for combinator Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

postcss/postcss-selector-parser#196 · Opened Mar 18, 2019
invalid/non stable ast for combinator with comment Open

bug

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

postcss/postcss-selector-parser#189 · 23 comments · Opened Mar 15, 2019
className value not escaped when set using constructor Open

bug

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

postcss/postcss-selector-parser#182 · 2 comments · Opened Feb 27, 2019
spaces on selectors (or containers in general) don't work Open

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

postcss/postcss-selector-parser#172 · 9 comments · Opened Feb 19, 2019
Parsing error with complex custom properties Open

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

postcss/postcss-selector-parser#147 · 3 comments · Opened May 31, 2018
TypeError: Cannot read property '_run' of undefined Open

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

postcss/postcss-selector-parser#145 · 1 reaction · Opened May 30, 2018
API to return whether a selector has non-standard syntax. Open

enhancement

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

postcss/postcss-selector-parser#135 · 3 comments · 1 reaction · Opened Mar 29, 2018
"combinators" found in `nth-child` expressions Open

enhancement help wanted

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

postcss/postcss-selector-parser#14 · 13 comments · Opened Jul 23, 2015

postcss/postcss-selector-parser

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