swc_malloc is used at run time in 2 crates (of which 1 optionally). It's used only as a dev dependency in 11 crates.

Depender (with downloads and own rev deps) swc_malloc version
79K 57 swc_core optional ^0.5.10
700 1 swc_node_bundler ^0.5.10
206K 97 swc_ecma_parser dev ^0.5.10
133K 42 swc_ecma_transforms_base dev ^0.5.10
132K 34 swc_ecma_codegen dev ^0.5.10
12K 14 swc_ecma_minifier dev ^0.5.10
8.3K 8 swc_bundler dev ^0.5.10
7.2K 22 swc dev ^0.5.10
6.5K 15 swc_css_parser dev ^0.5.10
5.9K 5 swc_css_minifier dev ^0.5.10
5.8K 3 swc_plugin_runner dev ^0.5.10
2.5K 6 swc_html_parser dev ^0.5.10
2.4K 2 swc_html_minifier dev ^0.5.10