Changes Rack::File to Rack::Files

lib/serviceworker/handlers/rack_handler.rb

@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require "rack/files"
+
 module ServiceWorker
   module Handlers
     class RackHandler
@@ -18,7 +20,7 @@ def file_path(path_info)
       end
 
       def file_server
-        @file_server ||= ::Rack::File.new(@root)
+        @file_server ||= ::Rack::Files.new(@root)
       end
     end
   end

lib/serviceworker/handlers/sprockets_handler.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require "rack/file"
+require "rack/files"
 
 module ServiceWorker
   module Handlers
@@ -22,7 +22,7 @@ def sprockets_server
       end
 
       def file_server
-        @file_server ||= ::Rack::File.new(::Rails.public_path)
+        @file_server ||= ::Rack::Files.new(::Rails.public_path)
       end
 
       def config

lib/serviceworker/handlers/webpacker_handler.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require "rack/file"
+require "rack/files"
 require "webpacker"
 
 module ServiceWorker
@@ -22,7 +22,7 @@ def call(env)
       private
 
       def file_server
-        @file_server ||= ::Rack::File.new(::Rails.public_path)
+        @file_server ||= ::Rack::Files.new(::Rails.public_path)
       end
     end
   end

serviceworker-rails.gemspec

@@ -21,6 +21,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_dependency "railties", [">= 3.1"]
+  spec.add_dependency "rack", [">= 2.1"]
 
   spec.add_development_dependency "appraisal", "~> 2.3.0"
   spec.add_development_dependency "minitest", "~> 5.0"