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1 change: 1 addition & 0 deletions .gitignore
Original file line number Diff line number Diff line change
Expand Up @@ -15,3 +15,4 @@ spec/reports
test/tmp
test/version_tmp
tmp
.idea
17 changes: 12 additions & 5 deletions lib/prerender_rails.rb
Original file line number Diff line number Diff line change
Expand Up @@ -34,7 +34,10 @@ def initialize(app, options={})
'nuzzel',
'Discordbot',
'Google Page Speed',
'Qwantify'
'Qwantify',
#'Chrome-Lighthouse', # Removed to test Web Vitals without prerendering
'SemrushBot',
'AhrefsSiteAudit'
]

@extensions_to_ignore = [
Expand Down Expand Up @@ -105,7 +108,7 @@ def call(env)
prerendered_response = get_prerendered_page_response(env,use_second_service)

if prerendered_response
response = build_rack_response_from_prerender(prerendered_response)
response = build_rack_response_from_prerender(prerendered_response, env)
after_render(env, prerendered_response)
return response.finish
end
Expand Down Expand Up @@ -221,10 +224,14 @@ def get_prerender_service_url use_second_service
end


def build_rack_response_from_prerender(prerendered_response)
response = Rack::Response.new(prerendered_response.body, prerendered_response.code, prerendered_response.header)
def build_rack_response_from_prerender(prerendered_response, env)
header = prerendered_response.header

@options[:build_rack_response_from_prerender].call(response, prerendered_response) if @options[:build_rack_response_from_prerender]
header['Content-Length'] = prerendered_response.body.length

response = Rack::Response.new(prerendered_response.body, prerendered_response.code, header)

@options[:build_rack_response_from_prerender].call(response, prerendered_response, env) if @options[:build_rack_response_from_prerender]

response
end
Expand Down