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
141K 79 swc_core optional ^1.0.0
950 1 swc_node_bundler ^1.0.0
469K 110 swc_ecma_parser dev ^1.0.0
366K 8 swc_allocator dev ^1.0.0
236K 49 swc_ecma_transforms_base dev ^1.0.0
230K 42 swc_ecma_codegen dev ^1.0.0
29K 18 swc_ecma_minifier dev ^1.0.0
15K 26 swc dev ^1.0.0
9.7K 9 swc_bundler dev ^1.0.0
8.7K 15 swc_css_parser dev ^1.0.0
6.1K 5 swc_css_minifier dev ^1.0.0
5.3K 3 swc_plugin_runner dev ^1.0.0
4.7K 6 swc_html_parser dev ^1.0.0
4.4K 3 swc_html_minifier dev ^1.0.0