Condensing CSS and Javascript using Java or Scala

I have a requirement to dynamically generate CSS/JavaScript for my project. After generating this code (most likely with PHP), I need to retrieve the string, minify it, and then save the minified file. I tried looking for a Java/Scala tool that can accomplish this task, but all the tools I came across were designed for minifying project files, not individual files as needed. I considered using wro4j as it seemed like it could potentially solve this issue, however, I couldn't figure out how to implement this within the Java code rather than during build time.

javascriptjavacssminifybundling-and-minification

Answer №1

how can I achieve this directly in Java without waiting for build time?

Here is a suggested approach:

  1. Generate the JavaScript and CSS files in unminified form
  2. Use an external tool like yuicompressor to minify the files

If you prefer not to generate the files first, yuicompressor has a node.js version that can minify JavaScript strings directly. It's uncertain if this method would also work for CSS strings.

Considering the complexity of integrating node.js with Java, one alternative could be developing a small node.js TCP server to receive JavaScript/CSS strings and return them minified. This strategy also offers scalability advantages in terms of throughput.

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