mutation issue

Signed-off-by: Shivam Gupta <[email protected]>
layer5io · Dec 28, 2024 · 7b4f882 · 7b4f882
1 parent 50cc969
commit 7b4f882
Show file tree

Hide file tree

Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/gatsby-config.js b/gatsby-config.js
@@ -14,7 +14,7 @@ module.exports = {
   flags: {
     FAST_DEV: true,
     PARALLEL_SOURCING: true,
-    // PRESERVE_FILE_DOWNLOAD_CACHE: true,
+    PRESERVE_FILE_DOWNLOAD_CACHE: true,
     DETECT_NODE_MUTATIONS: true,
     PARTIAL_HYDRATION: true
   },

diff --git a/gatsby-node.js b/gatsby-node.js
@@ -905,6 +905,15 @@ exports.onCreateNode = ({ node, actions, getNode }) => {
         onCreateChapterNode({ actions, node, slug });
         return;
       }
+
+      if (node.internal.type === "Mdx") {
+        if (!node.frontmatter.thumbnail) {
+          node.frontmatter.thumbnail = null;
+        }
+        if (!node.frontmatter.darkthumbnail) {
+          node.frontmatter.darkthumbnail = null;
+        }
+      }
     }
   }
 };