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Use no-cache in development mode for assets. Using must-revalidate, which is

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Rails' default, seems to have Chrome sometimes not request assets in development
mode even though it's supposed to revalidate every time.
This commit is contained in:
Robin Ward 2013-09-09 15:35:13 -04:00
parent 78c15d5810
commit 858e51c8ab
1 changed files with 7 additions and 2 deletions
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9
lib/middleware/turbo_dev.rb
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@ -6,8 +6,11 @@ module Middleware
@app = app @app = app
end end
def call(env) def call(env)
is_asset = (env['REQUEST_PATH'] =~ /^\/assets\//)
# hack to bypass all middleware if serving assets, a lot faster 4.5 seconds -> 1.5 seconds # hack to bypass all middleware if serving assets, a lot faster 4.5 seconds -> 1.5 seconds
if (etag = env['HTTP_IF_NONE_MATCH']) && env['REQUEST_PATH'] =~ /^\/assets\// if (etag = env['HTTP_IF_NONE_MATCH']) && is_asset
name = $' name = $'
etag = etag.gsub "\"", "" etag = etag.gsub "\"", ""
asset = Rails.application.assets.find_asset(name) asset = Rails.application.assets.find_asset(name)
@ -16,7 +19,9 @@ module Middleware
end end
end end
@app.call(env) status, headers, response = @app.call(env)
headers['Cache-Control'] = 'no-cache' if is_asset
[status, headers, response]
end end
end end
end end