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ActionController::Routing::Optimisation

Much of the slow performance from routes comes from the complexity of expiry, :requirements matching, defaults providing and figuring out which url pattern to use. With named routes we can avoid the expense of finding the right route. So if they’ve provided the right number of arguments, and have no :requirements, we can just build up a string and return it.

To support building optimisations for other common cases, the generation code is separated into several classes

Constants

OPTIMISERS

Public Instance Methods

generate_optimisation_block(route, kind) click to toggle source
# File lib/action_controller/routing/optimisations.rb, line 13
def generate_optimisation_block(route, kind)
  return "" unless route.optimise?
  OPTIMISERS.inject("") do |memo, klazz|
    memo << klazz.new(route, kind).source_code
    memo
  end
end

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