fix(mdx-loader): ensure heading anchor slugs respect GitHub emoji beh…

…avior (#9202) Co-authored-by: YosukeKato <[email protected]>
facebook · Aug 10, 2023 · 19ee437 · 19ee437
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diff --git a/packages/docusaurus-mdx-loader/src/processor.ts b/packages/docusaurus-mdx-loader/src/processor.ts
@@ -42,7 +42,7 @@ type SimpleProcessor = {
 const DEFAULT_OPTIONS: MDXOptions = {
   admonitions: true,
   rehypePlugins: [],
-  remarkPlugins: [emoji, headings, toc],
+  remarkPlugins: [headings, emoji, toc],
   beforeDefaultRemarkPlugins: [],
   beforeDefaultRehypePlugins: [],
 };

diff --git a/website/_dogfooding/_blog tests/2023-08-05.mdx b/website/_dogfooding/_blog tests/2023-08-05.mdx
@@ -0,0 +1,8 @@
+---
+title: Ensure heading anchor slugs respect GitHub emoji behavior
+date: 2023-08-05
+---
+
+## :smiley: This is a friendly header
+
+## 😃 This is a friendly header (real smiley)