method

deduce_implied_options

v7.1.3.4 - Show latest stable - 0 notes - Class: AppBase

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deduce_implied_options(options, option_reasons, meta_options) private

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# File railties/lib/rails/generators/app_base.rb, line 153
      def deduce_implied_options(options, option_reasons, meta_options)
        active = options.transform_values { |value| [] if value }.compact
        irrevocable = (active.keys - meta_options).to_set

        deduction_order = TSort.tsort(
          ->(&block) { option_reasons.each_key(&block) },
          ->(key, &block) { option_reasons[key]&.each(&block) }
        )

        deduction_order.each do |name|
          active_reasons = option_reasons[name].to_a.select(&active)
          active[name] ||= active_reasons if active_reasons.any?
          irrevocable << name if active_reasons.any?(irrevocable)
        end

        revoked = options.select { |name, value| value == false }.keys.to_set - irrevocable
        deduction_order.reverse_each do |name|
          revoked += option_reasons[name].to_a if revoked.include?(name)
        end
        revoked -= meta_options

        active.filter_map do |name, reasons|
          unless revoked.include?(name) || reasons.all?(revoked)
            [name, reasons - revoked.to_a]
          end
        end.to_h
      end

deduce_implied_options

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