Update for evented API

extensions/sticky/js/src/components/DiscussionStickiedPost.js

@@ -0,0 +1,13 @@
+import EventPost from 'flarum/components/EventPost';
+
+export default class DiscussionStickiedPost extends EventPost {
+  icon() {
+    return 'thumb-tack';
+  }
+
+  descriptionKey() {
+    return this.props.post.content().sticky
+      ? 'sticky.discussion_stickied_post'
+      : 'sticky.discussion_unstickied_post';
+  }
+}