From 0749847aeab2dcaab43f50956f9cf0b21c31943b Mon Sep 17 00:00:00 2001
From: pacien
Date: Wed, 30 Nov 2022 21:38:44 +0100
Subject: add example content, compile to site and pdf

---
 filters/strip-solutions.lua | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 filters/strip-solutions.lua

(limited to 'filters/strip-solutions.lua')

diff --git a/filters/strip-solutions.lua b/filters/strip-solutions.lua
new file mode 100644
index 0000000..2bba42f
--- /dev/null
+++ b/filters/strip-solutions.lua
@@ -0,0 +1,24 @@
+-- Pandoc filter which strips "solution" blocks when the environment variable
+-- "STRIP_SOLUTIONS" is set, or wrap them in a block quote otherwise.
+-- Useful to generate public and private handouts from the same source.
+--
+-- Author: Pacien TRAN-GIRARD
+-- Licence: EUPL-1.2
+
+strip_solutions = os.getenv('STRIP_SOLUTIONS')
+
+return {
+  {
+    Div = function(elem)
+      if elem.classes[1] == 'solution' then
+        if strip_solutions then
+          return pandoc.Null()
+        else
+          return pandoc.BlockQuote(elem.content)
+        end
+      else
+        return elem
+      end
+    end,
+  }
+}
-- 
cgit v1.2.3