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- The OpenLayers build tool supports several different
- forms of compressing your javascript code, and a method
- of describing build profiles to create customized
- OpenLayers builds with only the components you need.
- When building a file, you can choose to build with several
- different compression options to the Python-based build.py
- script. The following is an example script:
- python build.py -c closure full OpenLayers-closure.js
- This script selects the 'closure' compression mechanism,
- uses a config file called 'full.cfg', and writes the output
- to OpenLayers-closure.js.
- The options available for compression are:
- * closure
- This requires you to have a closure-compiler.jar in your
- tools directory. You can do this by fetching the compiler
- from:
- http://closure-compiler.googlecode.com/files/compiler-latest.zip
- Then unzipping that file, and placing compiler.jar into tools
- and renaming it closure-compiler.jar.
- * closure_ws
- This uses the closure compiler webservice. This will only work
- for files source Javascript files which are under 1MB. (Note that
- the default OpenLayers full build is not under 1MB.)
- * jsmin
- jsmin is the default compiler, and uses the Python-based
- jsmin script to compress the Javascript.
- * minimize
- This is a simple whitespace removing Python script, designed
- to fill in when other tools are unavailable.
- * none
- None will leave the Javascript uncompressed.
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