Add id to posts

src/utils/fetchPosts.js

@@ -31,7 +31,7 @@ export const findPostsByIds = async (ids) => {
 
   return ids.reduce(function (r, id) {
     posts.some(function (post) {
-      return id === post.ID && r.push(post);
+      return id === post.id && r.push(post);
     });
     return r;
   }, []);

src/utils/getNormalizedPost.js

@@ -2,13 +2,16 @@ import getReadingTime from "reading-time";
 
 export const getNormalizedPost = async (post) => {
   const { frontmatter, compiledContent, rawContent, file } = post;
+  const ID = file.split("/").pop().split(".").shift();
 
   return {
+    id: ID,
+
     pubDate: frontmatter.pubDate,
     draft: frontmatter.draft,
 
     canonical: frontmatter.canonical,
-    slug: file.split("/").pop().split(".").shift(),
+    slug: frontmatter.slug || ID,
 
     title: frontmatter.title,
     description: frontmatter.description,