tumblr.isRepost() always returns a boolean

lib.js

@@ -210,7 +210,7 @@ export const createPosts = async (channel, source, fromDate, reducerCallback) =>
 
 export const createPost = (item, source) => {
 	let description = item.querySelector('description')
-	description = description === null ? '' : new JSDOM(description.textContent).window.document
+	description = new JSDOM(description === null ? '' : description.textContent).window.document
 	
 	let date = readPubDate(item.querySelector('pubDate'))
 	let link = item.querySelector('link')?.textContent
@@ -424,12 +424,14 @@ export const imageExtensions = {
 	'image/avif': '.avif',
 	'image/bmp': '.bmp',
 	'image/gif': '.gif',
+	'image/gifv': '.gifv',
 	'image/vnd.microsoft.icon': '.icon',
 	'image/jpeg': '.jpg',
 	'image/png': '.png',
 	'image/svg+xml': '.xml',
 	'image/tiff': '.tif',
-	'image/webp': '.webp'
+	'image/webp': '.webp',
+	'image/webm': '.gifv'
 }
 
 export const pullImages = async (post, view, discardPostIfNoImages = false, getPostId = getPostIdFromPathname) => {
@@ -550,6 +552,7 @@ export const writeView = (sources, feeds, view) => {
 	}
 
 	for(let page of pages) {
+		console.log('Writing page', page)
 		writePage(page, view)
 	}
 
@@ -596,6 +599,8 @@ export const createPages = (list, view) => {
 		}
 	}
 
+	console.log(list)
+
 	return pages
 }
 

platforms/tumblr.js

@@ -27,7 +27,7 @@ tumblr.createSource = (user, options, postReducerCallback, cache) => {
 tumblr.isRepost = (post) => {
     let reblog = post.description.querySelector('p > a.tumblr_blog')
     
-    return reblog && reblog.innerHTML !== post.source.user
+    return reblog ? reblog.innerHTML !== post.source.user : false
 }
 
 tumblr.matchesTags = (post, whitelist, blacklist) => {