19 lines
610 B
Ruby
19 lines
610 B
Ruby
# frozen_string_literal: true
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module ActionController
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# When you're using the flash, it's generally used as a conditional on the view.
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# This means the content of the view depends on the flash. Which in turn means
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# that the ETag for a response should be computed with the content of the flash
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# in mind. This does that by including the content of the flash as a component
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# in the ETag that's generated for a response.
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module EtagWithFlash
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extend ActiveSupport::Concern
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include ActionController::ConditionalGet
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included do
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etag { flash unless flash.empty? }
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end
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end
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end
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