[OpenLayers-Dev] Call the Clousure Compiler using build/build.py (in 2.1x)

Xavier Mamano (jorix) xavier.mamano at gmail.com
Fri Dec 10 12:37:48 EST 2010


Features proposed in the patch  http://trac.osgeo.org/openlayers/ticket/2972
#2972  for use of the Closure Compiler:

 - Use any OpenLayers configuration (*.cfg)
 - Show where there have been compilation errors: source file and line
number (source code is used, not jsmin)
 - Maximize the checks but discard massive warnings (9676 warnings reported
using "- warning_level VERBOSE"!)
 - Ensure the verification of undeclared variables (distractions make these
variables as global, see #2960 and #2971)
 - Use externs to declare names of other products, commercial maps, Proj4js
 - Use SIMPLE_OPTIMIZATIONS, which compresses the code by 20%
(ADVANCED_OPTIMIZATIONS requires a study of the pros and cons)
 - Launch the Java compiler from phython (discard the use of the Service
API. To call the compiler uses material from "Closure Library")

In the previous post did not have time to detail the features. Now I do not
go more in detail so as not to bore people:-)


Xavier Mamano

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