From b09d4a859122e3203c781f0e2b1a83a147ea3ef4 Mon Sep 17 00:00:00 2001
From: Lyn Fugmann <lyn.fugmann@ifsr.de>
Date: Wed, 2 Oct 2024 15:19:22 +0200
Subject: [PATCH] markdown global rendering engine and link customization

---
 content/de/program.md |  1 -
 content/en/program.md |  1 -
 eleventy.config.js    | 31 ++++++++++++++++++-------------
 3 files changed, 18 insertions(+), 15 deletions(-)

diff --git a/content/de/program.md b/content/de/program.md
index bb988e2..1b69436 100644
--- a/content/de/program.md
+++ b/content/de/program.md
@@ -4,7 +4,6 @@ title: Programm
 tags: mainNav
 eleventyNavigation:
   order: 1
-templateEngineOverride: njk,md
 ---
 # Programm
 
diff --git a/content/en/program.md b/content/en/program.md
index 46b04ae..7b1c034 100644
--- a/content/en/program.md
+++ b/content/en/program.md
@@ -4,7 +4,6 @@ title: Program
 tags: mainNav
 eleventyNavigation:
   order: 1
-templateEngineOverride: njk,md
 ---
 # Program
 
diff --git a/eleventy.config.js b/eleventy.config.js
index a519c71..76e8f0e 100644
--- a/eleventy.config.js
+++ b/eleventy.config.js
@@ -92,28 +92,32 @@ module.exports = function(eleventyConfig) {
     return value.filter(item => item.page.lang === this.page.lang)
   });
 
+  const md_link_open = function (tokens, idx, options, env, self) {
+    const href = tokens[idx].attrGet('href');
+
+    if (href.startsWith('http')) {
+      tokens[idx].attrSet('target', '_blank');
+      tokens[idx].attrSet('rel', 'noreferrer');
+    } else {
+      const newHref = eleventyConfig.javascriptFunctions.locale_url(href);
+      tokens[idx].attrSet('href', newHref);
+    }
+
+    return self.renderToken(tokens, idx, options);
+  };
+
   eleventyConfig.addAsyncFilter('mdInline', async function(value) {
     // TODO replace with ESM import once we switch to Eleventy v3
     const md = (await import('markdown-it/index.mjs')).default();
 
     // customize link rendering
-    md.renderer.rules.link_open = function (tokens, idx, options, env, self) {
-      const href = tokens[idx].attrGet('href');
-
-      if (href.startsWith('http')) {
-        tokens[idx].attrSet('target', '_blank');
-        tokens[idx].attrSet('rel', 'noreferrer');
-      } else {
-        const newHref = eleventyConfig.javascriptFunctions.locale_url(href);
-        tokens[idx].attrSet('href', newHref);
-      }
-
-      return self.renderToken(tokens, idx, options);
-    };
+    md.renderer.rules.link_open = md_link_open;
 
     return md.renderInline(value);
   });
 
+  eleventyConfig.amendLibrary("md", mdLib => mdLib.renderer.rules.link_open = md_link_open);
+
   // copy aileron font
   eleventyConfig.addPassthroughCopy({'./submodules/aileron/fonts/*.(ttf|woff|woff2)': 'fonts'})
   eleventyConfig.addPassthroughCopy({'./submodules/aileron/aileron.lite.min.css': 'aileron.lite.min.css'})
@@ -140,5 +144,6 @@ module.exports = function(eleventyConfig) {
       includes: "../_includes",
     },
     pathPrefix: `/${eseData.year}/`,
+    markdownTemplateEngine: "njk",
   }
 };