stratosphere-1.0.0: src/Stratosphere/Prelude.hs

module Stratosphere.Prelude (module Exports, maybeField) where

import Data.Aeson           as Exports ((.=))
import Data.Kind            as Exports (Type)
import Data.Map.Strict      as Exports (Map)
import Data.Maybe           as Exports (catMaybes)
import Data.MonoTraversable as Exports
import Data.Text            as Exports (Text)
import GHC.Exts             as Exports (fromList)
import GHC.Generics         as Exports (Generic)
import Prelude              as Exports

import qualified Data.Aeson as JSON

-- | Might create an aeson pair from a Maybe value.
maybeField
  :: JSON.ToJSON a
  => JSON.Key
  -> Maybe a
  -> Maybe (JSON.Key, JSON.Value)
maybeField field = fmap ((field .=) . JSON.toJSON)