From 3db031378f55f4b709e01bbf4bcd100322160e38 Mon Sep 17 00:00:00 2001
From: Jerel Miller <jerelmiller@gmail.com>
Date: Sat, 27 Nov 2021 23:38:28 -0800
Subject: [PATCH] chore: Add error when path does not match slug

---
 gatsby-node.js | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/gatsby-node.js b/gatsby-node.js
index 0273d6217..815cf7cf4 100644
--- a/gatsby-node.js
+++ b/gatsby-node.js
@@ -96,6 +96,23 @@ exports.createPages = async ({ actions, graphql, reporter }) => {
       });
     }
 
+    if (frontmatter.path !== slug) {
+      const newPath = path.join(
+        'src/markdown-pages',
+        fileRelativePath.endsWith('index.mdx')
+          ? path.join(frontmatter.path, 'index.mdx')
+          : `${frontmatter.path}.mdx`
+      );
+
+      reporter.error(
+        `
+File path does not match frontmatter path:
+  mkdir -p ${path.dirname(newPath)}
+  mv ${fileRelativePath} ${newPath}
+`.trim()
+      );
+    }
+
     createPage({
       path: frontmatter.path
         ? path.join(frontmatter.path, '/')