swc_malloc is used at run time in 2 crates (of which 1 optionally). It's used only as a dev dependency in 12 crates.

Depender (with downloads and own rev deps) swc_malloc version
120K 74 swc_core optional ^1.0.0
2.2K 1 swc_node_bundler ^1.0.0
232K 107 swc_ecma_parser dev ^1.0.0
183K 47 swc_ecma_transforms_base dev ^1.0.0
178K 40 swc_ecma_codegen dev ^1.0.0
162K 7 swc_allocator dev ^1.0.0
24K 17 swc_ecma_minifier dev ^1.0.0
13K 23 swc dev ^1.0.0
13K 9 swc_bundler dev ^1.0.0
10K 15 swc_css_parser dev ^1.0.0
7.6K 5 swc_css_minifier dev ^1.0.0
7.2K 3 swc_plugin_runner dev ^1.0.0
6.6K 6 swc_html_parser dev ^1.0.0
6.4K 3 swc_html_minifier dev ^1.0.0