class Flipper::Middleware::SetupEnv
Public Class Methods
new(app, flipper_or_block, options = {})
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Public: Initializes an instance of the SetupEnv middleware. Allows for lazy initialization of the flipper instance being set in the env by providing a block.
app - The app this middleware is included in. flipper_or_block - The Flipper::DSL instance or a block that yields a
Flipper::DSL instance to use for all operations.
Examples
flipper = Flipper.new(...) # using with a normal flipper instance use Flipper::Middleware::SetupEnv, flipper # using with a block that yields a flipper instance use Flipper::Middleware::SetupEnv, lambda { Flipper.new(...) }
# File lib/flipper/middleware/setup_env.rb, line 22 def initialize(app, flipper_or_block, options = {}) @app = app @env_key = options.fetch(:env_key, 'flipper') if flipper_or_block.respond_to?(:call) @flipper_block = flipper_or_block else @flipper = flipper_or_block end end
Public Instance Methods
call(env)
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# File lib/flipper/middleware/setup_env.rb, line 33 def call(env) env[@env_key] ||= flipper @app.call(env) end
Private Instance Methods
flipper()
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# File lib/flipper/middleware/setup_env.rb, line 40 def flipper @flipper ||= @flipper_block.call end