Move author logic to frontmatter getter

src/frontmatter/author.js

@@ -0,0 +1,5 @@
+// get author, without decoding
+// WordPress doesn't allow funky characters in author names anyway
+module.exports = (post) => {
+	return post.data.creator[0];
+}

src/parser.js

@@ -110,10 +110,6 @@ function getPostCoverImageId(postData) {
 	return id;
 }
 
-function getAuthor(post) {
-	return post.creator[0]
-}
-
 function collectAttachedImages(channelData) {
 	const images = getItemsOfType(channelData, 'attachment')
 		// filter to certain image file types