From eb457caea9b3e5484355ffce80edb371d3bf232d Mon Sep 17 00:00:00 2001
From: toasted-nutbread <toasted-nutbread@users.noreply.github.com>
Date: Fri, 3 Sep 2021 22:42:27 -0400
Subject: [PATCH] Fix repeated note IDs shown on the "View Note" button (#1927)

---
 ext/js/display/display-anki.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/ext/js/display/display-anki.js b/ext/js/display/display-anki.js
index 8a023382..d17a2f0f 100644
--- a/ext/js/display/display-anki.js
+++ b/ext/js/display/display-anki.js
@@ -255,7 +255,7 @@ class DisplayAnki {
         const displayTags = this._displayTags;
         const dictionaryEntryDetails = this._dictionaryEntryDetails;
         for (let i = 0, ii = dictionaryEntryDetails.length; i < ii; ++i) {
-            const allNoteIds = [];
+            let allNoteIds = null;
             for (const {mode, canAdd, noteIds, noteInfos, ankiError} of dictionaryEntryDetails[i].modeMap.values()) {
                 const button = this._adderButtonFind(i, mode);
                 if (button !== null) {
@@ -264,14 +264,15 @@ class DisplayAnki {
                 }
 
                 if (Array.isArray(noteIds) && noteIds.length > 0) {
-                    allNoteIds.push(...noteIds);
+                    if (allNoteIds === null) { allNoteIds = new Set(); }
+                    for (const noteId of noteIds) { allNoteIds.add(noteId); }
                 }
 
                 if (displayTags !== 'never' && Array.isArray(noteInfos)) {
                     this._setupTagsIndicator(i, noteInfos);
                 }
             }
-            this._updateViewNoteButton(i, allNoteIds, false);
+            this._updateViewNoteButton(i, allNoteIds !== null ? [...allNoteIds] : [], false);
         }
     }