diff options
| -rw-r--r-- | lib/Hakyll/Web/Pandoc.hs | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/lib/Hakyll/Web/Pandoc.hs b/lib/Hakyll/Web/Pandoc.hs index 5f04de4..372465b 100644 --- a/lib/Hakyll/Web/Pandoc.hs +++ b/lib/Hakyll/Web/Pandoc.hs @@ -8,6 +8,8 @@ module Hakyll.Web.Pandoc , writePandocWith , renderPandoc , renderPandocWith + , renderPandocWithTransform + , renderPandocWithTransformM -- * Derived compilers , pandocCompiler @@ -104,6 +106,32 @@ renderPandocWith ropt wopt item = -------------------------------------------------------------------------------- +-- | An extension of `renderPandocWith`, which allows you to specify a custom +-- Pandoc transformation on the input `Item`. +-- Useful if you want to do your own transformations before running +-- custom Pandoc transformations, e.g. using a `funcField` to transform raw content. +renderPandocWithTransform :: ReaderOptions -> WriterOptions + -> (Pandoc -> Pandoc) + -> Item String + -> Compiler (Item String) +renderPandocWithTransform ropt wopt f = + renderPandocWithTransformM ropt wopt (return . f) + + +-------------------------------------------------------------------------------- +-- | Similar to `renderPandocWithTransform`, but the Pandoc transformation is +-- monadic. This is useful when you want the pandoc +-- transformation to use the `Compiler` information such as routes, +-- metadata, etc. along with your own transformations beforehand. +renderPandocWithTransformM :: ReaderOptions -> WriterOptions + -> (Pandoc -> Compiler Pandoc) + -> Item String + -> Compiler (Item String) +renderPandocWithTransformM ropt wopt f i = + writePandocWith wopt <$> (traverse f =<< readPandocWith ropt i) + + +-------------------------------------------------------------------------------- -- | Read a page render using pandoc pandocCompiler :: Compiler (Item String) pandocCompiler = @@ -137,9 +165,8 @@ pandocCompilerWithTransform ropt wopt f = pandocCompilerWithTransformM :: ReaderOptions -> WriterOptions -> (Pandoc -> Compiler Pandoc) -> Compiler (Item String) -pandocCompilerWithTransformM ropt wopt f = - writePandocWith wopt <$> - (traverse f =<< readPandocWith ropt =<< getResourceBody) +pandocCompilerWithTransformM ropt wopt f = + getResourceBody >>= renderPandocWithTransformM ropt wopt f -------------------------------------------------------------------------------- |