class method
self.exists?
Ruby on Rails 4.1.16
Since v4.1.16Signature
self.exists?(preview)
Returns true if the preview exists
Parameters
-
previewreq
Source
# File actionmailer/lib/action_mailer/preview.rb, line 74
def exists?(preview)
all.any?{ |p| p.preview_name == preview }
end
Defined in actionmailer/lib/action_mailer/preview.rb line 74
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Defined in ActionMailer::Preview