Class: Plumbo::Middleware::Injection

Inherits:
Object
  • Object
show all
Defined in:
lib/plumbo/middleware.rb

Overview

Adds the panel to a single response: an X-Plumbo-Files header on anything with files, plus the injected panel markup for full HTML pages. Holds the response triple and files as instance state.

Instance Method Summary collapse

Constructor Details

#initialize(triple, files) ⇒ Injection

Returns a new instance of Injection.



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# File 'lib/plumbo/middleware.rb', line 52

def initialize(triple, files)
  @status, @headers, @response = triple
  @files = files
end

Instance Method Details

#apply ⇒ Object

The final Rack triple, with the header and (for full HTML) the panel.



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# File 'lib/plumbo/middleware.rb', line 58

def apply
  passthrough = [@status, @headers, @response]
  return passthrough if @files.empty?

  @headers[HEADER] = header_value
  return passthrough unless html?

  body = rewrite
  @headers["Content-Length"] = body.bytesize.to_s
  [@status, @headers, [body]]
end