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# File 'lib/rack/app/instance_methods/path_to.rb', line 3
def path_to(defined_path, options = {})
app_class = options[:class] || self.class
query_string_hash = options[:params] || {}
options.each do |k, v|
k.is_a?(String) && query_string_hash[k] = v
end
router = request.env[Rack::App::Constants::ENV::ROUTER]
final_path = router.path_to(app_class, defined_path)
path_keys = final_path.scan(/:(\w+)/).flatten
path_keys.each do |key|
value = query_string_hash.delete(key) || params[key] || raise("missing path-key value for #{key}!")
final_path.gsub!(/:#{key}/, value.to_s)
end
unless query_string_hash.empty?
final_path.concat("?" + Rack::Utils.build_nested_query(query_string_hash))
end
final_path
end
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