swc_css_compat is used at run time in 2 crates. It's used only as a dev dependency in 1 crate.

Depender (with downloads and own rev deps) swc_css_compat version
39K 39 swc_core optional ^0.20.17
3.1K 1 swc_css optional ^0.20.17
27K 2 swc_css_modules dev ^0.20.17