From 0c677070edf9978cb85a0b521f7e6e0ef6d6b491 Mon Sep 17 00:00:00 2001
From: Chris Wells <chris@mathematicaster.org>
Date: Mon, 10 Feb 2025 12:48:38 -0600
Subject: A lot of work on aliases and the like

---
 src/Hakyll/Alias.hs | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 src/Hakyll/Alias.hs

(limited to 'src/Hakyll/Alias.hs')

diff --git a/src/Hakyll/Alias.hs b/src/Hakyll/Alias.hs
new file mode 100644
index 0000000..598f5e2
--- /dev/null
+++ b/src/Hakyll/Alias.hs
@@ -0,0 +1,23 @@
+module Hakyll.Alias
+    ( aliasCtxt
+    , personCtxt
+    ) where
+
+import Prolog
+import Hakyll
+import Data.Alias
+import Data.Name
+import Data.Person
+
+
+functionField1 :: String -> (String -> Compiler String) -> Context a
+functionField1 n f = functionField n $ \case
+    [x] -> \_ -> f x
+    _ -> \_ -> fail $ "Expecting exactly one argument to " <> n
+
+aliasCtxt :: (Ord a, FromAlias a x) => String -> (String -> Compiler a) -> (x -> Compiler String) -> AliasMap a x -> Context c
+aliasCtxt name toa fromx amap = functionField1 name $ toa >=> flip resolveAlias amap >=> fromx
+
+
+personCtxt :: AliasMap Name_ Person_ -> Context a
+personCtxt = aliasCtxt "person" (parseName . toSL) (pure . toSL . personHtml)
-- 
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