preview backlink corrections for 0 links and incorrect indexOf for all 5

db/posts.js

@@ -60,10 +60,10 @@ module.exports = {
 			//if enough replies, show omitted count
 			if (thread.replyposts > 5) {
 				//dont show ALL backlinks on OP for previews on index page
-				const firstPreviewId = thread.replies[0].postId;
-				const latestPreviewBacklink = thread.backlinks.find(bl => { return bl.postId >= firstPreviewId });
+				const firstPreviewId = thread.replies[0].postId; //34
+				const latestPreviewBacklink = thread.backlinks.find(bl => { return bl.postId >= firstPreviewId }); //post with 34
 				if (latestPreviewBacklink != null) {
-					const latestPreviewIndex = thread.backlinks.map(bl => bl.postId).indexOf(latestPreviewBacklink);
+					const latestPreviewIndex = thread.backlinks.map(bl => bl.postId).indexOf(latestPreviewBacklink.postId);
 					thread.previewbacklinks = thread.backlinks.slice(latestPreviewIndex);
 				} else {
 					thread.previewbacklinks = [];

views/mixins/post.pug

@@ -92,16 +92,13 @@ mixin post(post, truncate, manage=false, globalmanage=false)
 				blockquote.banmessage USER BANNED FOR THIS POST (#{post.banmessage || 'No reason specified'})
 			if post.omittedposts || post.omittedimages
 				blockquote.muted #{post.omittedposts} post(s)#{post.omittedimages > 0 ? ' and '+post.omittedimages+' image(s)' : ''} omitted. #[a(href=`${postURL}#${post.postId}`) View the full thread]
-			if post.previewbacklinks
+			if post.previewbacklinks && post.previewbacklinks.length > 0
 				.replies Replies: 
-					if post.previewbacklinks.length === 0
-						| #{post.backlinks.length-post.previewbacklinks.length} reply link(s) omitted
-					else 
-						each backlink in post.previewbacklinks
-							a.quote(href=`/${post.board}/thread/${post.thread || post.postId}.html#${backlink.postId}`) >>#{backlink.postId}
-							|  
-						if post.previewbacklinks.length < post.backlinks.length
-							| + #{post.backlinks.length-post.previewbacklinks.length} reply link(s) omitted
+					each backlink in post.previewbacklinks
+						a.quote(href=`/${post.board}/thread/${post.thread || post.postId}.html#${backlink.postId}`) &gt;&gt;#{backlink.postId}
+						|  
+					if post.previewbacklinks.length < post.backlinks.length
+						| + #{post.backlinks.length-post.previewbacklinks.length} reply link(s) omitted
 			else if post.backlinks && post.backlinks.length > 0
 				.replies Replies: 
 					each backlink in post.backlinks