feat(core): faster JS minimizer - siteConfig.future.experimental_faster.swcJsMinimizer
#10441
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Docusaurus Faster
This PR is part of the Docusaurus Faster project aiming at reducing production build times
Motivation
Add experimental swcJsMinimizer option to make js minification faster.
It turns out
terser-webpack-plugindefault minimizer is slow and a real bottleneck representing 20-30% of total build time!The plugin offers an option to use a swc-based minimizer instead, which you can now toggle thanks to a new feature flag
siteConfig.future.experimental_faster.swcJsMinimizerTime to minimize JS on our website:
I'm not sure the options are ideal, but I was conservative and only used a different tool with similar options, instead of fine-tuning the existing options. We
Note: in the future we'll be able to use the built-in Rspack swc minimizer plugin (even faster, no extra JS<->Rust cost)
Test Plan
CI
Test links
https://deploy-preview-10441--docusaurus-2.netlify.app/