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css / csso

CSS minifier with structural optimizations
https://css.github.io/csso/csso.html
MIT License
3.75k stars 188 forks source link

Add support for CSS Nesting #474

Open freshp86 opened 9 months ago

freshp86 commented 9 months ago

See https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_nesting.

It currently seems to not work and nested CSS rules are stripped from the output. For example passing the following

.parent {
 & .child {
  color: blue;
 }
}

produces an empty output. Same happens if the & nesting selector is omitted.