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require "rack/proxy"
class Webpacker::DevServerProxy < Rack::Proxy
delegate :config, :dev_server, to: :@webpacker
def initialize(app = nil, opts = {})
@webpacker = opts.delete(:webpacker) || Webpacker.instance
opts[:streaming] = false if Rails.env.test? && !opts.key?(:streaming)
super
end
def perform_request(env)
if env["PATH_INFO"].start_with?("/#{public_output_uri_path}") && dev_server.running?
env["HTTP_HOST"] = env["HTTP_X_FORWARDED_HOST"] = dev_server.host
env["HTTP_X_FORWARDED_SERVER"] = dev_server.host_with_port
env["HTTP_PORT"] = env["HTTP_X_FORWARDED_PORT"] = dev_server.port.to_s
env["HTTP_X_FORWARDED_PROTO"] = env["HTTP_X_FORWARDED_SCHEME"] = dev_server.protocol
unless dev_server.https?
env["HTTPS"] = env["HTTP_X_FORWARDED_SSL"] = "off"
end
env["SCRIPT_NAME"] = ""
super(env)
else
@app.call(env)
end
end
private
def public_output_uri_path
config.public_output_path.relative_path_from(config.public_path).to_s + "/"
end
end
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