agora/agora-scripts/ScriptExport/Options.hs
2022-06-29 10:44:33 +02:00

51 lines
1.3 KiB
Haskell

{- |
Module : ScriptExport.Options
Maintainer : emi@haskell.fyi
Description: Command line options for 'agora-scripts'.
Command line options for 'agora-scripts'.
-}
module ScriptExport.Options (Options (..), parseOptions) where
import Network.Wai.Handler.Warp qualified as Warp
import Options.Applicative ((<**>))
import Options.Applicative qualified as Opt
data Options = Options
{ port :: Warp.Port
, enableCorsMiddleware :: Bool
}
deriving stock (Show, Eq)
opt :: Opt.Parser Options
opt =
Options
<$> Opt.option
Opt.auto
( Opt.long "port"
<> Opt.short 'p'
<> Opt.metavar "PORT"
<> Opt.value 3939
<> Opt.help "The port to run the server on."
)
<*> Opt.switch
( Opt.long "enable-cors-middleware"
<> Opt.short 'c'
<> Opt.help
( unwords
[ "Enable cors middleware."
, "This is usually required for some local servers."
, "For security reasons, this should be disabled in production."
]
)
)
parseOptions :: IO Options
parseOptions = Opt.execParser p
where
p =
Opt.info
(opt <**> Opt.helper)
( Opt.fullDesc
<> Opt.progDesc "Generate Agora scripts for off-chain use."
)