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ivanyv/application.amp.erb

Created December 12, 2015 02:51
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Easy Google AMP on Rails
Raw
application.amp.erb
<html>
<head>
<link rel="canonical" href="<%= current_uri_sans_amp %>">
</head>
...
</html>
Raw
application.html.erb
<html>
<head>
<link rel="amphtml" href="/amp<%= current_uri %>">
<link rel="canonical" href="<%= current_uri %>">
</head>
...
</html>
Raw
application_controller.rb
# app/controllers/application_controller.rb
class ApplicationController < ActionController::Base
# Prevent CSRF attacks by raising an exception.
# For APIs, you may want to use :null_session instead.
protect_from_forgery with: :exception
before_action :force_amp, if: -> { request.path_parameters[:amp] }
private
def force_amp
request.format = 'amp'
end
end
Raw
mime_types.rb
# config/initializers/mime_types.rb
Mime::Type.register 'text/html', :amp
Raw
routes.rb
# config/routes.rb
Rails.application.routes.draw do
scope '(:amp)', constraints: { amp: /amp/ } do
# Put here all routes that also have AMP variants
root to: 'home#index'
end
end
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