[#26] Ability to disable and enable colouring

Resolves #26

CHANGELOG.md

@@ -3,6 +3,11 @@
 `colourista` uses [PVP Versioning][1].
 The changelog is available [on GitHub][2].
 
+## 0.2.0.0
+
+* [#26](https://github.com/kowainik/colourista/issues/26):
+  Support enabling and disable of colouring with implicit parameters.
+
 ## 0.1.0.0 — May 2, 2020 🌈
 
 * [#22](https://github.com/kowainik/colourista/issues/22):

colourista.cabal

@@ -1,6 +1,6 @@
 cabal-version:       2.4
 name:                colourista
-version:             0.1.0.0
+version:             0.2.0.0
 synopsis:            Convenient interface for printing colourful messages
 description:         Convenient interface for printing colourful messages based on the @ansi-terminal@ library.
 homepage:            https://github.com/kowainik/colourista
@@ -34,6 +34,7 @@ library
   build-depends:       base >= 4.10.1.0 && < 4.15
                      , ansi-terminal ^>= 0.10
                      , bytestring ^>= 0.10
+                     , ghc-prim >= 0.5 && < 0.7
                      , text ^>= 1.2.3.0
 
   ghc-options:         -Wall

src/Colourista/IO.hs

@@ -37,6 +37,8 @@ import Data.Semigroup (Semigroup (..))
 #endif
 import Data.Text (Text)
 
+import Colourista.Pure (HasColourMode)
+
 import qualified Data.Text.IO as TIO
 
 import qualified Colourista.Pure as Colourista
@@ -46,42 +48,42 @@ import qualified Colourista.Pure as Colourista
 ----------------------------------------------------------------------------
 
 -- | Print 'Text' coloured in 'Colourista.red'.
-redMessage :: Text -> IO ()
+redMessage :: HasColourMode => Text -> IO ()
 redMessage = formattedMessage [Colourista.red]
 {-# INLINE redMessage #-}
 
 -- | Print 'Text' coloured in 'Colourista.green'.
-greenMessage :: Text -> IO ()
+greenMessage :: HasColourMode => Text -> IO ()
 greenMessage = formattedMessage [Colourista.green]
 {-# INLINE greenMessage #-}
 
 -- | Print 'Text' coloured in 'Colourista.blue'.
-blueMessage :: Text -> IO ()
+blueMessage :: HasColourMode => Text -> IO ()
 blueMessage = formattedMessage [Colourista.blue]
 {-# INLINE blueMessage #-}
 
 -- | Print 'Text' coloured in 'Colourista.yellow'.
-yellowMessage :: Text -> IO ()
+yellowMessage :: HasColourMode => Text -> IO ()
 yellowMessage = formattedMessage [Colourista.yellow]
 {-# INLINE yellowMessage #-}
 
 -- | Print 'Text' coloured in 'Colourista.black'.
-blackMessage :: Text -> IO ()
+blackMessage :: HasColourMode => Text -> IO ()
 blackMessage = formattedMessage [Colourista.black]
 {-# INLINE blackMessage #-}
 
 -- | Print 'Text' coloured in 'Colourista.white'.
-whiteMessage :: Text -> IO ()
+whiteMessage :: HasColourMode => Text -> IO ()
 whiteMessage = formattedMessage [Colourista.white]
 {-# INLINE whiteMessage #-}
 
 -- | Print 'Text' coloured in 'Colourista.magenta'.
-magentaMessage :: Text -> IO ()
+magentaMessage :: HasColourMode => Text -> IO ()
 magentaMessage = formattedMessage [Colourista.magenta]
 {-# INLINE magentaMessage #-}
 
 -- | Print 'Text' coloured in 'Colourista.cyan'.
-cyanMessage :: Text -> IO ()
+cyanMessage :: HasColourMode => Text -> IO ()
 cyanMessage = formattedMessage [Colourista.cyan]
 {-# INLINE cyanMessage #-}
 
@@ -93,39 +95,39 @@ cyanMessage = formattedMessage [Colourista.cyan]
 
 <<https://user-images.githubusercontent.com/4276606/80867598-dbd99000-8c8c-11ea-9fac-81a1a606d8d8.png Success message>>
 -}
-successMessage :: Text -> IO ()
+successMessage :: HasColourMode => Text -> IO ()
 successMessage t = greenMessage $ "  ✔ " <> t
 {-# INLINE successMessage #-}
 
 {- | Similar to 'blueMessage', but add unicode indicator.
 
 <<https://user-images.githubusercontent.com/4276606/80867597-db40f980-8c8c-11ea-9775-e8a3c4a7aaa2.png Information message>>
 -}
-infoMessage :: Text -> IO ()
+infoMessage :: HasColourMode => Text -> IO ()
 infoMessage t = blueMessage $ "  ⓘ " <> t
 {-# INLINE infoMessage #-}
 
 {- | Similar to 'cyanMessage', but add unicode indicator.
 
 <<https://user-images.githubusercontent.com/4276606/80867596-db40f980-8c8c-11ea-8131-9c7cba32a4fd.png Skip message>>
 -}
-skipMessage :: Text -> IO ()
+skipMessage :: HasColourMode => Text -> IO ()
 skipMessage t = cyanMessage $ "  ▶ " <> t
 {-# INLINE skipMessage #-}
 
 {- | Similar to 'yellowMessage', but add unicode indicator.
 
 <<https://user-images.githubusercontent.com/4276606/80867594-daa86300-8c8c-11ea-9c6a-a42b634a1e4b.png Warning message>>
 -}
-warningMessage :: Text -> IO ()
+warningMessage :: HasColourMode => Text -> IO ()
 warningMessage t = yellowMessage $ "  ⚠ " <> t
 {-# INLINE warningMessage #-}
 
 {- | Similar to 'redMessage', but add unicode indicator.
 
 <<https://user-images.githubusercontent.com/4276606/80867592-da0fcc80-8c8c-11ea-90e0-42aae8770c18.png Error message>>
 -}
-errorMessage :: Text -> IO ()
+errorMessage :: HasColourMode => Text -> IO ()
 errorMessage t = redMessage $ "  \128721 " <> t
 {-# INLINE errorMessage #-}
 
@@ -134,12 +136,12 @@ errorMessage t = redMessage $ "  \128721 " <> t
 ----------------------------------------------------------------------------
 
 -- | Print 'Text' emphasized with 'Colourista.bold'.
-boldMessage :: Text -> IO ()
+boldMessage :: HasColourMode => Text -> IO ()
 boldMessage = formattedMessage [Colourista.bold]
 {-# INLINE boldMessage #-}
 
 -- | Print 'Text' emphasized with 'Colourista.italic'.
-italicMessage :: Text -> IO ()
+italicMessage :: HasColourMode => Text -> IO ()
 italicMessage = formattedMessage [Colourista.italic]
 {-# INLINE italicMessage #-}
 
@@ -153,6 +155,6 @@ list, no formatting is applied.
 
 ![formattedMessage-example](https://user-images.githubusercontent.com/4276606/74608898-e6987600-50dc-11ea-9a93-bda701fd3c43.png)
 -}
-formattedMessage :: [Text] -> Text -> IO ()
+formattedMessage :: HasColourMode => [Text] -> Text -> IO ()
 formattedMessage formatting = TIO.putStrLn . Colourista.formatWith formatting
 {-# INLINE formattedMessage #-}