Jiahan Chen(@jiahan_c):I used to dislike webpack’s loader design, but over time I’ve come to appreciate just how much it gets right: • Easy to parallelize: Loaders are standalone modules, so they can run in workers with little effort. I saw Rspack’s parallel loader feature cut babel-loader time by 80% in one large project • Composable: Loaders can be combined and ordered as needed to build flexible transformation pipelines • Cacheable: Loaders are usually stateless, making their results easy to cache and reuse • Portable: The same loader can run on webpack, Turbopack, and Rspack

Jiahan Chen

@jiahan_c

Creator of Rstack & Rsbuild & Vant / Rstack team lead @rspack_dev / SWC & Module Federation contributor

参加 September 2015

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Jiahan Chen@jiahan_c

2026.08.14 13:44

I used to dislike webpack’s loader design, but over time I’ve come to appreciate just how much it gets right: • Easy to parallelize: Loaders are standalone modules, so they can run in workers with little effort. I saw Rspack’s parallel loader feature cut babel-loader time by 80% in one large project • Composable: Loaders can be combined and ordered as needed to build flexible transformation pipelines • Cacheable: Loaders are usually stateless, making their results easy to cache and reuse • Portable: The same loader can run on webpack, Turbopack, and Rspack