From Fedora Project Wiki
This page tracks issues related to minification and/or compilation of JavaScript in Fedora.
jsmin
The license used for JSMin is non-free. The uglifyjs
command, provided by the uglify-js
package, may be used instead. For example:
uglifyjs your.js -c -m -o your.min.js
Google Closure Compiler
The Google Closure Compiler is packaged for F21+.