Note that while Vite transpiles with esbuild, it bundles with Rollup, which is single-threaded JS. Vite also uses esbuild to prebundle dependencies for the dev

Note that while Vite transpiles with esbuild, it bundles with Rollup, which is single-threaded JS. Vite also uses esbuild to prebundle dependencies for the dev server, but this is separate from production builds.