It uses mozillas rhino library for compressing java script code. Extract the yui compressor jar file and add it to your classpath. In my case, the yui compressor compressed the kb javascript file to 9 kb reducing the size by 30%. Minify javascript and css with yui compressor the electric. This obfuscation is safe, even when using constructs such as eval or with although the compression is not optimal is those cases compared to jsmin, the. This obfuscation is safe, even when using constructs such as eval or with although the compression is not optimal in those cases compared to jsmin, the average. The yui compressor decreases the size of your css file with a variety of optimization techniques.
Optionally, customize the behaviour of the file watcher. Note that you still need to have java runtime environment installed. Then put it in your project root directory for simplicity in this tutorial. First of all we need to download the yui compressor jarfile from github. Thanks to assetic, you can take advantage of this tool very easily. Yui compressor the yui compressor is a javascript compressor which, in addition to removing comments and whitespaces, obfuscates local variables using the smallest possible variable name. If you are going to use yui compressor or closure compiler, download and. How to minify javascripts and stylesheets with yui.
Javascript and css compressor into the eclipse ide. May 22, 2019 the yui compressor is also able to safely compress css files. For instance, you may use this package with buildout. Online javascript compressor, featuring yui and microsoft. Download yuicompressor jar files with all dependencies. The yui compressor is javascript minifier designed to be 100% safe and yield a higher compression ratio than most other tools. Online javascript compressor, featuring yui and microsoft ajax minifier.
Install yui compressor java is a prerequisite github. It has used isaac schlueter regular expresion based algorithm for css minification. The following are top voted examples for showing how to use com. Use the belowmentioned commands to compress javascript files. The yui compressor is a javascript compressor which, in addition to removing comments and whitespaces, obfuscates local variables using. The singlemost effective technique for cutting download time for your web pages is the application of gzip compression to every type of resource that can handle it. How to minify javascripts and stylesheets with yui compressor. Where can i find the latest version of yuicompressor to download. There are a couple of static paths to be on the look out for and modify as necessary for your own code.
May 18, 2014 download and unzip yui compressor using cmd. Parts of the code below have been taken from the actual yui compressor source code. Replace pathto with the actual path to the yui compressor, yuicompressor2. The plugin allows you to easily compress js and css files from within your ide. After a couple of days searching for how to use the yui compressor in an ant build script i have finally got it working. Many old examples may 02, 2020 download yui compressor 2. Javascript and css compression using yui compressor. This obfuscation is safe, even when using constructs such as eval or with although the compression is not optimal is those cases compared to jsmin, the average. This module provides extensions to aether for utilizing the maven pom and maven repository metadata for artifacts resolution and download.
It allows you to compress multiple files into one single file at once. The yui compressor is a javascript compressor which, in addition to removing comments and whitespaces, obfuscates local variables using the smallest possible variable name. A thin wrapper around the yui compressor siafoo a very thin wrapper around the yui compressor. Yui compressor is a javascript and css minifier written in java. Dec 10, 2011 the yui compressor is javascript and css minifier designed to be 100% safe and yield a higher compression ratio than most other tools. Next, download buildout bootstrap script and run the buildout itself. This obfuscation is safe, even when using constructs such as eval or with. These examples are extracted from open source projects. The decision on which compressor is being used is made on the file extension js or css building ant testing. Download the yui compressor from the yui library downloads page.
Because javascript compression could need time and resource, and to avoid repetitive stupid resources consumming at runtime, this plugin do compression of static files at compile time. The entire list of modifications is available in the yui compressor documentation. Download the jar file from the github or maven repository. Javascript and css compression using yui compressor tutorial. Compress an entire directory of css files sweetmeat. The singlemost effective technique for cutting download time for your web pages is the application of gzip compression. The major js and css frameworklib provide source code in both version one big, lot of small, or provide a online tool to generate the big. This package bundles the yui compressor jar file to ease its use in python projects.
Download jar files for yuicompressor with dependencies documentation source code. Apply compression on js and css using yui compressor. How to use yui compressor in ant build script for javascript. Note that you still need to have java runtime environment installed for instance, you may use this package with buildout. Ant build file to generate optimized web resources of ui5. Contribute to yui yuicompressor development by creating an account on github. The yui compressor itself can be downloaded from the yui compressor page and clicking the download link.
Minify javascript, css and compress images sysadmins of. Contribute to yuiyuicompressor development by creating an account on github. The jar filename follows the pattern yuicompressor. The yui compressor is also able to safely compress css files. Mar 22, 2019 download the jar file from the github or maven repository. Minify javascript, css and compress images sysadmins of the. First of all you should download latest version of yuicompressor. Download yui compressor gui an interface for yui compressor to help you compress js and css files that will allow your websites source code, and therefore the website itself to load faster. How to minify javascripts and stylesheets with yui compressor yahoo. If youre having trouble executing the file, make sure you chmod the file so you can execute it.
The jar file we used for this blog post is yuicompressor2. If you are going to use yui compressor or closure compiler, download and install java runtime environment jre. Open up the project properties dialog and change the run as combo box to script run in command line. This library can minify andor bundle any javascript andor cascading style sheets. Put the shell script somewhere you can access and execute it. Make sure the file watchers bundled plugin is enabled on the plugins page, see managing plugins for details. Compress and obfuscate your javascript with this yui compressor.
Its simple to use, as shown in the following example. Online javascript compressor yui and microsoft ajax. Yuicompressor eclipse plugins, bundles and products. This obfuscation is safe, even when using constructs such as eval or with although the compression is not optimal is those cases compared to. The eclipse yuicompressor plugin offers an integration of yui compressor the yahoo. Make sure the checkbox next to the file watcher is selected, which indicates that the file watcher is enabled.