From 18b4be3d438a91f1a5d0bae0427d98639ea1a7a0 Mon Sep 17 00:00:00 2001
From: Utsob Roy <roy@utsob.me>
Date: Thu, 23 Feb 2023 15:40:38 +0600
Subject: [PATCH] fix: Footnote in heading (#89)

---
 .eleventy.js | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/.eleventy.js b/.eleventy.js
index 43a41fd83..78a23b722 100644
--- a/.eleventy.js
+++ b/.eleventy.js
@@ -140,6 +140,22 @@ module.exports = function (eleventyConfig) {
 
         return defaultLinkRule(tokens, idx, options, env, self);
       };
+      // Footnote heading fix (till the upstream releases the fix)
+      md.renderer.rules.render_footnote_anchor_name = (
+        tokens,
+        idx,
+        options,
+        env
+      ) => {
+        var n = Number(tokens[idx].meta.id + 1).toString();
+        var prefix = "";
+
+        if (env && typeof env.docId === "string") {
+          prefix = "-" + env.docId + "-";
+        }
+
+        return prefix + n;
+      };
     });
 
   eleventyConfig.setLibrary("md", markdownLib);