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b5449ca89a
You would use this to compile your code _with_ underscore, to remove all those dead underscore functions you don't use. Slight tweak to code to `root._` code to get working, and must remove anonymous wrapper function for current closure compiler to remove dead code.
28 lines
873 B
Ruby
28 lines
873 B
Ruby
require 'rubygems'
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require 'closure-compiler'
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desc "Use the Closure Compiler to compress Underscore.js"
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task :build do
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js = File.open('underscore.js', 'r')
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min = Closure::Compiler.new.compile(js)
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File.open('underscore-min.js', 'w') {|f| f.write(min) }
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end
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task :build_advanced do
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js = File.read('underscore.js')
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# remove wrapping anonymous function as this messes with closure compiler
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# see
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# http://groups.google.com/group/closure-compiler-discuss/browse_thread/thread/b59b54c1a0073aa5
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js.sub!('(function() {', '').chomp!("})();\n")
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compiler = Closure::Compiler.new \
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:compilation_level => 'ADVANCED_OPTIMIZATIONS',
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:formatting => 'PRETTY_PRINT'
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min = compiler.compile(js)
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File.open('underscore-min2.js', 'w') {|f| f.write(min) }
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#
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original_size = js.length
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minimized_size = min.length
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puts original_size, minimized_size
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end
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