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--------------------------------------------------------------------------------
{-# LANGUAGE OverloadedStrings #-}
import Control.Monad (filterM)
import Data.Maybe (isJust)
import Data.Monoid (mappend)
import Hakyll
--------------------------------------------------------------------------------
main :: IO ()
main = hakyll $ do
match "images/*" $ do
route idRoute
compile copyFileCompiler
match "static/*" $ do
route idRoute
compile copyFileCompiler
match (fromList ["robots.txt"]) $ do
route idRoute
compile copyFileCompiler
match "css/*" $ compile compressCssCompiler
create ["style.css"] $ do
route idRoute
compile $ do
csses <- loadAll "css/*.css"
makeItem $ unlines $ map itemBody csses
match (fromList ["index.md"]) $ do
route $ setExtension "html"
compile $
pandocCompiler
>>= loadAndApplyTemplate "templates/default.html" defaultContext
>>= relativizeUrls
match "posts/*" $ do
route $ setExtension "html"
compile $
pandocCompiler
>>= loadAndApplyTemplate "templates/post.html" postCtx
>>= loadAndApplyTemplate "templates/default.html" postCtx
>>= relativizeUrls
create ["posts.html"] $ do
route idRoute
compile $ do
posts <- recentFirst =<< filterPublished =<< loadAll "posts/*"
let archiveCtx =
listField "posts" postCtx (return posts)
`mappend` constField "title" "Archives"
`mappend` defaultContext
makeItem ""
>>= loadAndApplyTemplate "templates/archive.html" archiveCtx
>>= loadAndApplyTemplate "templates/default.html" archiveCtx
>>= relativizeUrls
match "templates/*" $ compile templateBodyCompiler
--------------------------------------------------------------------------------
postCtx :: Context String
postCtx =
dateField "date" "%B %e, %Y"
`mappend` defaultContext
filterPublished :: (MonadMetadata m, MonadFail m) => [Item a] -> m [Item a]
filterPublished = filterM $ isPublished . itemIdentifier
where
isPublished :: (MonadMetadata m, MonadFail m) => Identifier -> m Bool
isPublished id' = do
metadata <- getMetadata id'
pure $ isJust $ lookupString "date" metadata
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