45 lines
1.9 KiB
Haskell
45 lines
1.9 KiB
Haskell
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module Examples.Chunked.Main where
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import Prelude
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import Effect.Aff as Aff
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import Effect.Class as EffectClass
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import Effect.Console as Console
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import HTTPure as HTTPure
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import Node.ChildProcess as ChildProcess
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import Node.Stream as Stream
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-- | Serve the example server on this port
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port :: Int
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port = 8091
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-- | Shortcut for `show port`
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portS :: String
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portS = show port
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-- | Run a script and return it's stdout stream
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runScript :: String -> Aff.Aff (Stream.Readable ())
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runScript script = EffectClass.liftEffect $ ChildProcess.stdout <$>
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ChildProcess.spawn "sh" [ "-c", script ] ChildProcess.defaultSpawnOptions
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-- | Say 'hello world!' in chunks when run
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sayHello :: HTTPure.Request -> HTTPure.ResponseM
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sayHello _ =
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runScript "echo -n 'hello '; sleep 1; echo -n 'world!'" >>= HTTPure.ok
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-- | Boot up the server
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main :: HTTPure.ServerM
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main = HTTPure.serve port sayHello do
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Console.log $ " ┌────────────────────────────────────────────┐"
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Console.log $ " │ Server now up on port " <> portS <> " │"
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Console.log $ " │ │"
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Console.log $ " │ To test, run: │"
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Console.log $ " │ > curl -Nv localhost:" <> portS <> " │"
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Console.log $ " │ # => ... │"
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Console.log $ " │ # => < Transfer-Encoding: chunked │"
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Console.log $ " │ # => ... │"
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Console.log $ " │ # => hello │"
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Console.log $ " │ (1 second pause) │"
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Console.log $ " │ # => world! │"
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Console.log $ " └────────────────────────────────────────────┘"
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