71 lines
2.1 KiB
Ruby
71 lines
2.1 KiB
Ruby
task 'assets:precompile:before' do
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unless %w{profile production}.include? Rails.env
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raise "rake assets:precompile should only be run in RAILS_ENV=production, you are risking unminified assets"
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end
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# Ensure we ALWAYS do a clean build
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# We use many .erbs that get out of date quickly, especially with plugins
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puts "Purging temp files"
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`rm -fr #{Rails.root}/tmp/cache`
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# in the past we applied a patch that removed asset postfixes, but it is terrible practice
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# leaving very complicated build issues
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# https://github.com/rails/sprockets-rails/issues/49
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# let's make precompile faster using redis magic
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require 'sprockets'
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require 'digest/sha1'
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module ::Sprockets
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def self.cache_compiled(type, data)
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digest = Digest::SHA1.hexdigest(data)
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key = "SPROCKETS_#{type}_#{digest}"
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if compiled = $redis.get(key)
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$redis.expire(key, 1.week)
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else
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compiled = yield
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$redis.setex(key, 1.week, compiled)
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end
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compiled
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end
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class SassCompressor
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def evaluate(context, locals, &block)
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::Sprockets.cache_compiled("sass", data) do
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# HACK, SASS compiler will degrade to aweful perf with huge files
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# Bypass if larger than 500kb, ensure assets are minified prior
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if context.pathname &&
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context.pathname.to_s =~ /.css$/ &&
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data.length > 500.kilobytes
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puts "Skipped minifying #{context.pathname} cause it is larger than 200KB, minify in source control or avoid large CSS files"
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data
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else
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::Sass::Engine.new(data, {
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:syntax => :scss,
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:cache => false,
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:read_cache => false,
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:style => :compressed
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}).render
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end
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end
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end
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end
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class UglifierCompressor
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def evaluate(context, locals, &block)
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::Sprockets.cache_compiled("uglifier", data) do
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Uglifier.new(:comments => :none).compile(data)
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end
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end
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end
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end
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end
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task 'assets:precompile' => 'assets:precompile:before'
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