Class: ClientVersion

Inherits:
Object
  • Object
show all
Defined in:
lib/client_version.rb,
lib/client_version/railtie.rb,
lib/client_version/version.rb

Overview

Rack middleware that adds adds a Client-Version header to every response with the value of the CLIENT_VERSION environment variable.

Defined Under Namespace

Classes: Railtie

Constant Summary collapse

VERSION = 
'0.1.0'.freeze

Instance Method Summary collapse

Constructor Details

#initialize(app, client_version = ENV['CLIENT_VERSION']) ⇒ ClientVersion

Returns a new instance of ClientVersion.



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# File 'lib/client_version.rb', line 7

def initialize(app, client_version = ENV['CLIENT_VERSION'])
  @app = app
  @client_version = client_version
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/client_version.rb', line 12

def call(env)
  @app.call(env).tap do |_, headers, _|
    headers['Client-Version'.freeze] = @client_version if @client_version
  end
end