method

compute_asset_host

v2.1.0 - Show latest stable - 0 notes - Class: ActionView::Helpers::AssetTagHelper

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compute_asset_host(source) private

Pick an asset host for this source. Returns nil if no host is set, the host if no wildcard is set, the host interpolated with the numbers 0-3 if it contains %d (the number is the source hash mod 4), or the value returned from invoking the proc if it’s a proc.

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# File actionpack/lib/action_view/helpers/asset_tag_helper.rb, line 509
        def compute_asset_host(source)
          if host = ActionController::Base.asset_host
            if host.is_a?(Proc)
              case host.arity
              when 2
                host.call(source, @controller.request)
              else
                host.call(source)
              end
            else
              (host =~ /%d/) ? host % (source.hash % 4) : host
            end
          end
        end

compute_asset_host

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