remove BuilderQQ from Date

make-pages/Date.hs

@@ -11,7 +11,6 @@ import qualified Text.ParserCombinators.ReadP as ReadP
 import Text.ParserCombinators.ReadP (ReadP, readS_to_P, readP_to_S, (<++))
 import Data.Time hiding (Day)
 import Data.Char (isSpace)
-import BuilderQQ
 import Data.Function (on)
 import Data.Maybe (fromMaybe)
 import Data.YAML (FromYAML (..))
@@ -19,7 +18,11 @@ import qualified Data.YAML as YAML
 import Text.Ginger (GVal, ToGVal (..), (~>))
 import qualified Text.Ginger as Ginger
 import qualified Text.Ginger.Html as Ginger
-import Data.Text (unpack)
+import Data.Text (Text, pack, unpack)
+import Data.Text.Lazy (toStrict)
+import Data.Text.Lazy.Builder (Builder)
+import qualified Data.Text.Lazy.Builder as Builder
+
 
 data Date = Date {year, month :: Int, day :: Day}
   deriving (Eq, Ord, Show)
@@ -41,50 +44,51 @@ exact :: Day -> Bool
 exact (Exact _) = True
 exact _         = False
 
-formatLong :: Date -> Builder
+formatLong :: Date -> Text
 formatLong (Date {year, month, day}) =
-  case dayN of
+  toText case dayN of
     Nothing         -> monthYear
-    Just (nth -> d) -> [b|$approx$weekday $d $monthYear|]
+    Just (nth -> d) -> mconcat [approx, weekday, " ", d, " ", monthYear]
  where
   dayN = dayNum day
   day' = fromMaybe 1 dayN
-  formatted str = fromString $
+  formatted str = Builder.fromString $
     formatTime defaultTimeLocale str $
     fromGregorian (toInteger year) month day'
   monthYear = formatted "%B %Y"
   weekday = formatted "%a"
-  approx = if exact day then "" else [b|approx. $&|]
+  approx = if exact day then "" else "approx. "
 
-formatShort :: Date -> Builder
-formatShort (Date {month, day}) = [b|$day'$month'|] where
+formatShort :: Date -> Text
+formatShort (Date {month, day}) = toText $ day' <> month' where
   day' = case day of
-    Exact d  -> [b|$d $&|]
-    Approx d -> [b|$d? $&|]
-    Unknown  -> ""
-  month' = formatTime defaultTimeLocale "%b" $ fromGregorian 1 month 1
+    Exact d  -> bshow d <> " "
+    Approx d -> bshow d <> "? "
+    Unknown  -> mempty
+  month' = Builder.fromString $
+    formatTime defaultTimeLocale "%b" $ fromGregorian 1 month 1
 
-formatRSS :: Date -> Builder
-formatRSS = fromString . format . toTime where
+formatRSS :: Date -> Text
+formatRSS = pack . format . toTime where
   format = formatTime defaultTimeLocale "%a, %d %b %_Y %T GMT"
   toTime (Date {year, month, day}) =
     let year' = toInteger year; day' = fromMaybe 1 $ dayNum day in
     UTCTime (fromGregorian year' month day') 15600
 
-formatSlash :: Date -> Builder
-formatSlash (Date {year, month, day}) = case dayNum day of
-  Nothing -> [b|$year/$month|]
-  Just d  -> [b|$year/$month/$d$q|]
-    where q = if exact day then "" else [b|<span class=q>?</span>|]
+formatSlash :: Date -> Text
+formatSlash (Date {year, month, day}) =
+  toText $ mconcat [bshow year, "/", bshow month, "/", bshow day', bshow ex]
+  where day' = dayNum day; ex = exact day
 
 
 nth :: Int -> Builder
-nth n = [b|$n$suf|] where
-  suf | n >= 10, n <= 19 = [b|th|]
-      | n `mod` 10 == 1  = [b|st|]
-      | n `mod` 10 == 2  = [b|nd|]
-      | n `mod` 10 == 3  = [b|rd|]
-      | otherwise        = [b|th|]
+nth n = bshow n <> suf
+ where
+  suf | n >= 10, n <= 19 = "th"
+      | n `mod` 10 == 1  = "st"
+      | n `mod` 10 == 2  = "nd"
+      | n `mod` 10 == 3  = "rd"
+      | otherwise        = "th"
 
 parseP :: ReadP Date
 parseP = do
@@ -126,7 +130,13 @@ instance ToGVal m Date where
       Exact x  -> toGVal x
       Approx x -> toGVal $ show x <> "?"
       Unknown  -> "?"
-    long  = toStrictText $ formatLong  d
-    short = toStrictText $ formatShort d
-    rss   = toStrictText $ formatRSS   d
-    slash = toStrictText $ formatSlash d
+    long  = formatLong  d
+    short = formatShort d
+    rss   = formatRSS   d
+    slash = formatSlash d
+
+toText :: Builder -> Text
+toText = toStrict . Builder.toLazyText
+
+bshow :: Show a => a -> Builder
+bshow = Builder.fromString . show