8295d8755e
* Clean up import declarations to only use qualified when necessary * Remove unused imports
36 lines
1.5 KiB
Haskell
36 lines
1.5 KiB
Haskell
module Examples.Chunked.Main where
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import Prelude
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import Effect.Aff (Aff)
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import Effect.Class (liftEffect)
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import Effect.Console (log)
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import HTTPure (ServerM, Request, ResponseM, serve, ok)
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import Node.ChildProcess (stdout, spawn, defaultSpawnOptions)
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import Node.Stream (Readable)
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-- | Run a script and return it's stdout stream
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runScript :: String -> Aff (Readable ())
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runScript script =
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liftEffect $ stdout <$> spawn "sh" [ "-c", script ] defaultSpawnOptions
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-- | Say 'hello world!' in chunks when run
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sayHello :: Request -> ResponseM
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sayHello = const $ runScript "echo 'hello '; sleep 1; echo 'world!'" >>= ok
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-- | Boot up the server
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main :: ServerM
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main =
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serve 8080 sayHello do
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log " ┌──────────────────────────────────────┐"
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log " │ Server now up on port 8080 │"
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log " │ │"
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log " │ To test, run: │"
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log " │ > curl -Nv localhost:8080 │"
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log " │ # => ... │"
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log " │ # => < Transfer-Encoding: chunked │"
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log " │ # => ... │"
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log " │ # => hello │"
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log " │ (1 second pause) │"
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log " │ # => world! │"
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log " └──────────────────────────────────────┘"
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