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These classes are relatively small, however they include lots of modules as helpers. And if any of the included module hold constants including it cause the global constant cache to be invalidated which is really bad for performance. So when eager loading is enabled we create all the possible classes as part of the application boot.
74 lines
2.3 KiB
Ruby
74 lines
2.3 KiB
Ruby
# frozen_string_literal: true
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#--
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# Copyright (c) 2004-2022 David Heinemeier Hansson
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#++
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require "abstract_controller"
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require "action_mailer/version"
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# Common Active Support usage in Action Mailer
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require "active_support"
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require "active_support/rails"
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require "active_support/core_ext/class"
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require "active_support/core_ext/module/attr_internal"
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require "active_support/core_ext/string/inflections"
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require "active_support/lazy_load_hooks"
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module ActionMailer
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extend ::ActiveSupport::Autoload
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eager_autoload do
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autoload :Collector
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end
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autoload :Base
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autoload :DeliveryMethods
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autoload :InlinePreviewInterceptor
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autoload :MailHelper
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autoload :Parameterized
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autoload :Preview
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autoload :Previews, "action_mailer/preview"
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autoload :TestCase
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autoload :TestHelper
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autoload :MessageDelivery
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autoload :MailDeliveryJob
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def self.eager_load!
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super
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require "mail"
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Mail.eager_autoload!
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Base.descendants.each do |mailer|
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mailer.eager_load! unless mailer.abstract?
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end
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end
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end
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autoload :Mime, "action_dispatch/http/mime_type"
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ActiveSupport.on_load(:action_view) do
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ActionView::Base.default_formats ||= Mime::SET.symbols
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ActionView::Template::Types.delegate_to Mime
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ActionView::LookupContext::DetailsKey.clear
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end
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