Class: Proscenium::Middleware

Inherits:
Object
  • Object
show all
Extended by:
ActiveSupport::Autoload
Defined in:
lib/proscenium/middleware.rb,
lib/proscenium/middleware/base.rb,
lib/proscenium/middleware/esbuild.rb,
lib/proscenium/middleware/ruby_gems.rb

Defined Under Namespace

Classes: Base, BuildError, Esbuild, RubyGems, SilenceRequest

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/proscenium/middleware.rb', line 14

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/proscenium/middleware.rb', line 18

def call(env)
  request = ActionDispatch::Request.new(env)

  return @app.call(env) if !request.get? && !request.head?

  # If this is a request for an asset chunk, we want to serve it with a very long
  # cache lifetime, since these are content-hashed and will never change.
  if request.path.match?(CHUNKS_PATH)
    ::ActionDispatch::FileHandler.new(
      Rails.public_path.join('assets').to_s,
      headers: {
        'Cache-Control' => "public, max-age=#{100.years}, immutable",
        'etag' => request.path.match(/-\$([a-z0-9]+)\$/i)[1]
      }
    ).attempt(env) || @app.call(env)
  else
    attempt(request) || @app.call(env)
  end
end