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| | # frozen_string_literal: true
require 'rack/utils'
module Rack
# Sets the Content-Type header on responses which don't have one.
#
# Builder Usage:
# use Rack::ContentType, "text/plain"
#
# When no content type argument is provided, "text/html" is assumed.
class ContentType
include Rack::Utils
def initialize(app, content_type = "text/html")
@app, @content_type = app, content_type
end
def call(env)
status, headers, body = @app.call(env)
headers = Utils::HeaderHash.new(headers)
unless STATUS_WITH_NO_ENTITY_BODY.key?(status.to_i)
headers[CONTENT_TYPE] ||= @content_type
end
[status, headers, body]
end
end
end
|