From 74930b1ccd9acacd1ddaa30d1b4849b0e4570d7c Mon Sep 17 00:00:00 2001
From: wxiaoguang <wxiaoguang@gmail.com>
Date: Sat, 12 Aug 2023 16:36:23 +0800
Subject: [PATCH] Avoiding accessing undefined mentionValues (#26461)

The `window.config.mentionValues` might be undefined:

```
{{if or .Participants .Assignees .MentionableTeams}}
    mentionValues: ...
{{end}}
```
---
 web_src/js/features/tribute.js | 2 +-
 web_src/js/utils/match.js      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/web_src/js/features/tribute.js b/web_src/js/features/tribute.js
index 43fa79b2a..055777be7 100644
--- a/web_src/js/features/tribute.js
+++ b/web_src/js/features/tribute.js
@@ -31,7 +31,7 @@ function makeCollections({mentions, emoji}) {
 
   if (mentions) {
     collections.push({
-      values: window.config.mentionValues,
+      values: window.config.mentionValues ?? [],
       requireLeadingSpace: true,
       menuItemTemplate: (item) => {
         return `
diff --git a/web_src/js/utils/match.js b/web_src/js/utils/match.js
index 029fec884..17fdfed11 100644
--- a/web_src/js/utils/match.js
+++ b/web_src/js/utils/match.js
@@ -32,7 +32,7 @@ export function matchMention(queryText) {
 
   // results is a map of weights, lower is better
   const results = new Map();
-  for (const obj of window.config.mentionValues) {
+  for (const obj of window.config.mentionValues ?? []) {
     const index = obj.key.toLowerCase().indexOf(query);
     if (index === -1) continue;
     const existing = results.get(obj);