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10 changes: 9 additions & 1 deletion src/Web/Api/WebDriver/Types.hs
Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@ The WebDriver protocol involves passing several different kinds of JSON objects.
Note that while the WebDriver spec defines some JSON objects, in general a given WebDriver server can accept additional properties on any given object. Our types here will be limited to the "spec" object signatures, but our API will need to be user extensible.
-}

{-# LANGUAGE OverloadedStrings, RecordWildCards, BangPatterns, CPP #-}
{-# LANGUAGE OverloadedStrings, RecordWildCards, BangPatterns, CPP, FlexibleContexts #-}
module Web.Api.WebDriver.Types (
-- * Stringy Types
SessionId
Expand Down Expand Up @@ -149,15 +149,23 @@ malformedValue !name !value = fail $ unpack $
object_ :: [Maybe Pair] -> Value
object_ = object . filter (\(_, v) -> v /= Null) . catMaybes

#if MIN_VERSION_aeson(2,2,0)
(.==) :: (ToJSON v, KeyValue Value kv) => Text -> v -> Maybe kv
#else
(.==) :: (ToJSON v, KeyValue kv) => Text -> v -> Maybe kv
#endif
(.==) key value =
#if MIN_VERSION_aeson(2,0,0)
Just ((fromText key) .= value) -- val = lookup (fromText key) obj
#else
Just (key .= value)
#endif

#if MIN_VERSION_aeson(2,2,0)
(.=?) :: (ToJSON v, KeyValue Value kv) => Text -> Maybe v -> Maybe kv
#else
(.=?) :: (ToJSON v, KeyValue kv) => Text -> Maybe v -> Maybe kv
#endif
(.=?) key =
#if MIN_VERSION_aeson(2,0,0)
fmap ((fromText key) .=)
Expand Down