* guix/build-system/minify.scm (default-uglify-js): Replace this procedure...
(default-esbuild): ...with this new procedure.
(lower): Use it, and add "esbuild" to build inputs.
* guix/build/minify-build-system.scm (minify): Invoke esbuild instead of
setting up a pipe to uglifyjs.
* gnu/packages/cran.scm (r-shiny)[native-inputs]: Replace node-uglify-js with
esbuild.
* gnu/packages/statistics.scm (r-dt)[native-inputs]: Same.
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