Class: CommandDeck::Middleware

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

Overview

Dev-only middleware that injects a tiny floating UI into HTML responses.

Class Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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

def initialize(app)
  @app = app
end

Class Attribute Details

.mount_point ⇒ Object

Returns the value of attribute mount_point.



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# File 'lib/command_deck/middleware.rb', line 10

def mount_point
  @mount_point
end

Instance Method Details

#call(env) ⇒ Object 



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

def call(env)
  status, headers, body = @app.call(env)

  begin
    return [status, headers, body] unless html_response?(headers)
    return [status, headers, body] if engine_request?(env)

    body, headers = Injector.new(body, headers).inject(overlay_snippet)
    [status, headers, body]
  rescue StandardError
    # Fail open: on any injection error, return original response
    [status, headers, body]
  end
end