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Upgrade monkey patch of rack::builder #6

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Upgrade monkey patch of rack::builder #6

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19 changes: 13 additions & 6 deletions lib/rack/flash.rb
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Original file line number Diff line number Diff line change
@@ -1,27 +1,34 @@
module Rack
class Builder
attr :ins
def use(middleware, *args, &block)
# Begin monkey patch
middleware.instance_variable_set "@rack_builder", self
def middleware.rack_builder
@rack_builder
end
@ins << lambda { |app|
middleware.new(app, *args, &block)
}
# End monkey patch

if @map
mapping, @map = @map, nil
@use << proc { |app| generate_map app, mapping }
end
@use << proc { |app| middleware.new(app, *args, &block) }
end

def run(app)
# Begin monkey patch
klass = app.class
klass.instance_variable_set "@rack_builder", self
def klass.rack_builder
@rack_builder
end
@ins << app #lambda { |nothing| app }
# End monkey patch

@run = app
end

def leaf_app
ins.last
@run
end
end
end
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