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module PursLoader.Options
( pscOptions
, loaderSrcOption
, loaderFFIOption
, Options()
, output
) where
import Prelude (Unit(), (<>), (<$>), (<<<), (++), (<*>), ($), const, id)
import Data.Array (concat)
import Data.Either (either)
import Data.Foreign (Foreign(), F())
import Data.Foreign.Class (IsForeign, read, readProp)
import Data.Foreign.NullOrUndefined (NullOrUndefined(..), runNullOrUndefined)
import Data.Maybe (Maybe(..), maybe, fromMaybe)
noPreludeOpt = "no-prelude"
noOptsOpt = "no-opts"
noMagicDoOpt = "no-magic-do"
noTcoOpt = "no-tco"
verboseErrorsOpt = "verbose-errors"
outputOpt = "output"
commentsOpt = "comments"
noPrefixOpt = "no-prefix"
requirePathOpt = "require-path"
srcOpt = "src"
ffiOpt = "ffi"
newtype Options
= Options { noPrelude :: NullOrUndefined Boolean
, noOpts :: NullOrUndefined Boolean
, noMagicDo :: NullOrUndefined Boolean
, noTco :: NullOrUndefined Boolean
, verboseErrors :: NullOrUndefined Boolean
, comments :: NullOrUndefined Boolean
, output :: String
, noPrefix :: NullOrUndefined Boolean
, requirePath :: String
, src :: NullOrUndefined (Array String)
, ffi :: NullOrUndefined (Array String)
}
output :: Options -> String
output (Options o) = o.output
instance isForeignOptions :: IsForeign Options where
read obj = Options <$> ({ noPrelude: _
, noOpts: _
, noMagicDo: _
, noTco: _
, verboseErrors: _
, comments: _
, output: _
, noPrefix: _
, requirePath: "../"
, src: _
, ffi: _
} <$> readProp noPreludeOpt obj
<*> readProp noOptsOpt obj
<*> readProp noMagicDoOpt obj
<*> readProp noTcoOpt obj
<*> readProp verboseErrorsOpt obj
<*> readProp commentsOpt obj
<*> (maybe "output" id <<< runNullOrUndefined <$> readProp outputOpt obj)
<*> readProp noPrefixOpt obj
<*> readProp srcOpt obj
<*> readProp ffiOpt obj)
class LoaderOption a where
opt :: String -> NullOrUndefined a -> Array String
instance booleanLoaderOption :: LoaderOption Boolean where
opt key val = maybe [] (\a -> if a then ["--" ++ key] else []) (runNullOrUndefined val)
instance stringLoaderOption :: LoaderOption String where
opt key val = maybe [] (\a -> ["--" ++ key ++ "=" ++ a]) (runNullOrUndefined val)
instance arrayLoaderOption :: (LoaderOption a) => LoaderOption (Array a) where
opt key val = concat (opt key <$> (NullOrUndefined <<< Just)
<$> (fromMaybe [] (runNullOrUndefined val)))
pscOptions :: Options -> Array String
pscOptions (Options a) = opt noPreludeOpt a.noPrelude <>
opt noOptsOpt a.noOpts <>
opt noMagicDoOpt a.noMagicDo <>
opt noTcoOpt a.noTco <>
opt verboseErrorsOpt a.verboseErrors <>
opt commentsOpt a.comments <>
opt outputOpt (NullOrUndefined $ Just a.output) <>
opt noPrefixOpt a.noPrefix <>
opt requirePathOpt (NullOrUndefined $ Just a.requirePath) <>
opt ffiOpt a.ffi
loaderSrcOption :: Foreign -> Maybe (Array String)
loaderSrcOption query = either (const Nothing) (\(Options a) -> runNullOrUndefined a.src) (read query)
loaderFFIOption :: Foreign -> Maybe (Array String)
loaderFFIOption query = either (const Nothing) (\(Options a) -> runNullOrUndefined a.ffi) (read query)
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