method

all_optionals_available_condition

v2.1.0 - Show latest stable - 0 notes - Class: ActionController::Routing::Segment

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What's this?

all_optionals_available_condition(prior_segments) public

Return an if condition that is true if all the prior segments can be generated. If there are no optional segments before this one, then nil is returned.

Show source

# File actionpack/lib/action_controller/routing/segments.rb, line 45
      def all_optionals_available_condition(prior_segments)
        optional_locals = prior_segments.collect { |s| s.local_name if s.optional? && s.respond_to?(:local_name) }.compact
        optional_locals.empty? ? nil : " if #{optional_locals * ' && '}"
      end

all_optionals_available_condition

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