feat: add data-allow-dupe and data-navigator-ignore

these can be used by plugins like q&n to dupe a post
instead of relying on magic -1 index

public/src/client/topic/posts.js

@@ -189,7 +189,7 @@ define('forum/topic/posts', [
 			}
 
 			data.posts = data.posts.filter(function (post) {
-				return post.index === -1 || $('[component="post"][data-pid="' + post.pid + '"]').length === 0;
+				return post.allowDupe || $('[component="post"][data-pid="' + post.pid + '"]').length === 0;
 			});
 		}
 
@@ -214,9 +214,9 @@ define('forum/topic/posts', [
 			html = html.filter(function () {
 				const $this = $(this);
 				const pid = $this.attr('data-pid');
-				const index = parseInt($this.attr('data-index'), 10);
+				const allowDupe = $this.attr('data-allow-dupe');
 				const isPost = $this.is('[component="post"]');
-				return !isPost || index === -1 || (pid && $('[component="post"][data-pid="' + pid + '"]').length === 0);
+				return !isPost || allowDupe || (pid && $('[component="post"][data-pid="' + pid + '"]').length === 0);
 			});
 
 			const removedEls = infinitescroll.removeExtra($('[component="post"]'), direction, Math.max(20, config.postsPerPage * 2));

public/src/modules/navigator.js

@@ -478,7 +478,7 @@ define('navigator', [
 
 	navigator.update = function () {
 		let newIndex = index;
-		const els = $(navigator.selector);
+		const els = $(navigator.selector).filter((i, el) => !el.getAttribute('data-navigator-ignore'));
 		if (els.length) {
 			newIndex = parseInt(els.first().attr('data-index'), 10) + 1;
 		}
@@ -585,7 +585,7 @@ define('navigator', [
 	};
 
 	navigator.scrollTop = function (index) {
-		if ($(navigator.selector + '[data-index="' + index + '"]').length) {
+		if ($(`${navigator.selector}[data-index="${index}"]:not([data-navigator-ignore])`).length) {
 			navigator.scrollToIndex(index, true);
 		} else {
 			ajaxify.go(generateUrl());
@@ -597,7 +597,7 @@ define('navigator', [
 			return;
 		}
 
-		if ($(navigator.selector + '[data-index="' + index + '"]').length) {
+		if ($(`${navigator.selector}[data-index="${index}"]:not([data-navigator-ignore])`).length) {
 			navigator.scrollToIndex(index, true);
 		} else {
 			index = parseInt(index, 10) + 1;
@@ -654,7 +654,7 @@ define('navigator', [
 	};
 
 	navigator.scrollToPostIndex = function (postIndex, highlight, duration) {
-		const scrollTo = components.get('post', 'index', postIndex);
+		const scrollTo = $(`[component="post"][data-index="${postIndex}"]:not([data-navigator-ignore])`);
 		navigator.scrollToElement(scrollTo, highlight, duration, postIndex);
 	};
 

src/views/partials/data/topic.tpl

@@ -1 +1 @@
-data-index="{posts.index}" data-pid="{posts.pid}" data-uid="{posts.uid}" data-timestamp="{posts.timestamp}" data-username="{posts.user.username}" data-userslug="{posts.user.userslug}" itemscope itemtype="http://schema.org/Comment"
+data-index="{posts.index}" data-pid="{posts.pid}" data-uid="{posts.uid}" data-timestamp="{posts.timestamp}" data-username="{posts.user.username}" data-userslug="{posts.user.userslug}"{{{ if posts.allowDupe }}} data-allow-dupe="1"{{{ end }}}{{{ if posts.navigatorIgnore }}} data-navigator-ignore="1"{{{ end }}} itemscope itemtype="http://schema.org/Comment"