loop over AST directly instead of wrapping in function call

[bartveneman]

No description provided.

[codecov]

Bundle Report

Changes will decrease total bundle size by 60 bytes (-0.69%) ⬇️. This is within the configured threshold ✅

Detailed changes

Bundle name	Size	Change
formatCss-formatCss-esm	4.95kB	38 bytes (-0.76%) ⬇️
formatCss-formatCss-esm-formatCss-umd	3.69kB	22 bytes (-0.59%) ⬇️

[codspeed-hq]

CodSpeed Performance Report

Merging #105 will improve performances by 26.89%

_{Comparing encoder (f312de6) with main (ac7f910)}

Summary

⚡ 1 improvements
✅ 3 untouched benchmarks

Benchmarks breakdown

	Benchmark	main	encoder	Change
⚡	minify syntax.fm.css (61.6kB)	208.8 ms	164.5 ms	+26.89%