purescript-httpurple/docs/Examples/Headers/Main.purs
sigma-andex 345675d5bd Make settings optional
- Add default onStarted and closingHandler
- Use justifill to easily add options
- Remove multiple serve options
2022-05-22 17:37:42 +01:00

45 lines
1.6 KiB
Haskell

module Examples.Headers.Main where
import Prelude
import Data.Generic.Rep (class Generic)
import Data.Maybe (Maybe(..))
import Effect.Console (log)
import HTTPurple (Headers, Request, ResponseM, ServerM, header, ok', serve, (!@))
import Routing.Duplex as RD
import Routing.Duplex.Generic as RG
data Route = SayHello
derive instance Generic Route _
route :: RD.RouteDuplex' Route
route = RD.root $ RG.sum
{ "SayHello": RG.noArgs
}
-- | The headers that will be included in every response.
responseHeaders :: Headers
responseHeaders = header "X-Example" "hello world!"
-- | Route to the correct handler
router :: Request Route -> ResponseM
router { headers } = ok' responseHeaders $ headers !@ "X-Input"
-- | Boot up the server
main :: ServerM
main =
serve { port: 8080, onStarted } { route, router }
where
onStarted = do
log " ┌──────────────────────────────────────────────┐"
log " │ Server now up on port 8080 │"
log " │ │"
log " │ To test, run: │"
log " │ > curl -H 'X-Input: test' -v localhost:8080 │"
log " │ # => ... │"
log " │ # => ...< X-Example: hello world! │"
log " │ # => ... │"
log " │ # => test │"
log " └──────────────────────────────────────────────┘"