Book Image

Play Framework essentials

By : Julien Richard-Foy
Book Image

Play Framework essentials

By: Julien Richard-Foy

Overview of this book

Table of Contents (14 chapters)
Play Framework Essentials
About the Author
About the Reviewers


This chapter explained how the build system can be leveraged to produce minified and concatenated web assets. These assets can then be safely cached by web browsers while giving you the comfort of writing the client-side code in a modular way and using higher-level languages to compile to JavaScript and CSS.

The assets processing pipeline that we set up in this chapter can be illustrated using the following diagram:

The compilation plugins, sbt-less and sbt-coffee, compile the a.less module (that depends on a b.less module) into a single a.css module and the modules, and, into the a.js and b.js modules, respectively. Then, the concatenation plugin, sbt-rjs, concatenates the a.js and b.js modules into a single a.js module (it is worth noting that the CSS concatenation is already performed by the less compiler but that the RequireJS optimizer also processes .css files to minify them). The compression plugin, sbt-gzip, produces a compressed file for each artifact. Finally...