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858e51c8ab
Rails' default, seems to have Chrome sometimes not request assets in development mode even though it's supposed to revalidate every time.
28 lines
792 B
Ruby
28 lines
792 B
Ruby
module Middleware
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# this class cheats and bypasses rails altogether if the client attempts
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# to download a static asset
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class TurboDev
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def initialize(app, settings={})
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@app = app
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end
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def call(env)
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is_asset = (env['REQUEST_PATH'] =~ /^\/assets\//)
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# hack to bypass all middleware if serving assets, a lot faster 4.5 seconds -> 1.5 seconds
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if (etag = env['HTTP_IF_NONE_MATCH']) && is_asset
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name = $'
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etag = etag.gsub "\"", ""
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asset = Rails.application.assets.find_asset(name)
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if asset && asset.digest == etag
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return [304,{},[]]
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end
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end
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status, headers, response = @app.call(env)
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headers['Cache-Control'] = 'no-cache' if is_asset
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[status, headers, response]
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end
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end
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end
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