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https://issues.apache.org/jira/browse/JSPWIKI-761?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13727901#comment-13727901
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brushed commented on JSPWIKI-761:
---------------------------------
Implementing the WRO4J ( Web Resource Optimizer for Java ) Build-time solution
in JSPWiki through the wro4j maven plugin. ( see
http://code.google.com/p/wro4j/wiki/MavenPlugin )
* replacing YUI-Compressor for JS by UglifyJS (better compression)
* introducing the LESS CSS preprocessor supporting advanced css authoring
capabilities (variables, mixins, ...)
* merging JS and CSS files to reduce the number of resources needed at
page-load.
** jspwiki-common.js = { jspwiki-common.js, jspwiki-commonstyles.js,
prettify.js }
** jspwiki-edit.js = { jspwiki-edit.js, posteditor.js}
** jspwiki-prefs.js = { jspwiki-prefs.js }
** the mootools library is kept as a separate resource (could be serviced from
a CDN)
FFS: in a next stage, we can merge even further, but this may require
adaptations to the way JSPWiki is dynamically adding resources.
Note: You can build with or without minification of the JS and CSS files to
ease development by using -Dminimize = true | false. (ref. mvn_cheat-sheet.txt)
Next steps :
* We need to rethink the way JSPWiki skins (CSS stylesheets and JS addons) are
handled. For now, they remain uncompressed and unmerged.
* The current monolithic JS and CSS files can now be refactored and broken up
in smaller and more manageable pieces. WRO4J will take care of merging and
compression.
> Use wro4j to build/minimize javascript and css
> ----------------------------------------------
>
> Key: JSPWIKI-761
> URL: https://issues.apache.org/jira/browse/JSPWIKI-761
> Project: JSPWiki
> Issue Type: Bug
> Components: Default template
> Affects Versions: 2.9
> Reporter: brushed
> Priority: Minor
>
> Currently jspwiki builds its javascript and css files from ant. This simply
> means compression by means of the YUI compressors. The css and js sources
> are large chunks of javascript and css.
> Introducing wro4j : (See http://code.google.com/p/wro4j/)
> {quote}
> Free and Open Source Java project which brings together almost all the modern
> web tools: JsHint, CssLint, JsMin, Google Closure compressor, YUI Compressor,
> UglifyJs, Dojo Shrinksafe, Css Variables Support, JSON Compression, Less,
> Sass, CoffeeScript and much more. In the same time, the aim is to keep it as
> simple as possible and as extensible as possible in order to be easily
> adapted to application specific needs.
> Easily improve your web application loading time. Keep project web resources
> (js & css) well organized, merge & minify them at run-time (using a simple
> filter) or build-time (using maven plugin) and has a dozen of features you
> may find useful when dealing with web resources.
> {quote}
> Benefits :
> * Adding wro4j will allow to break the js and css into logical components,
> and improve source management.
> * JSPWiki stylesheet- and skin-development can be improved by introducing
> LESS.
> * WRO4J can be used as servlet-filter (run-time building and compression of
> js and css) or at build-time.
> * WRO4J will improved page-loading time. (merge and zip of js/css resources)
> * WRO4J has an Apache licensed.
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