Write authors to metadata

This requires an updated version of mediumexporter, which has
been added in package.json

functions.js

@@ -57,6 +57,8 @@ const fetchFromMedium = async (mediumUrl) => {
   const metadata = JSON.stringify({
     title: post.title,
     subtitle: post.subtitle,
+    author: post.author || "",
+    authors: post.authors || [],
     date: new Date(post.date),
     tags: post.tags,
     url: post.url,
@@ -66,7 +68,7 @@ const fetchFromMedium = async (mediumUrl) => {
   })
 
   // write metadata to output folder
-  fs.writeFileSync(path.join(outputFolder, 'metadata.json'))
+  fs.writeFileSync(path.join(outputFolder, 'metadata.json'), metadata)
   return post
 };
 

package.json

@@ -16,7 +16,7 @@
     "commander": "^3.0.2",
     "dotenv": "^8.2.0",
     "markdown": "^0.5.0",
-    "mediumexporter": "github:xdamman/mediumexporter#v0.2.0",
+    "mediumexporter": "github:badrihippo/mediumexporter#9800098576785a61602b4993770f7e7a2cf1d639",
     "r2": "^2.0.1",
     "webdav": "^2.10.0"
   }