fix(backend): fix creating reactions bugs

[zyoshoka]

What

以下のことを行いました。

• 空文字列でリアクションした場合 \u2764 にフォールバックされるように
• リノートにリアクションできないように

Why

Closes #13804
Closes #13896

Additional info (optional)

Checklist

• Read the contribution guide
• Test working in a local environment
• (If needed) Add story of storybook
• (If needed) Update CHANGELOG.md
• (If possible) Add tests

[github-actions]

このPRによるapi.jsonの差分

差分はこちら

--- base
+++ head
@@ -56450,6 +56450,15 @@
                       }
                     }
                   },
+                  "CANNOT_REACT_TO_RENOTE": {
+                    "value": {
+                      "error": {
+                        "message": "You cannot react to Renote.",
+                        "code": "CANNOT_REACT_TO_RENOTE",
+                        "id": "eaccdc08-ddef-43fe-908f-d108faad57f5"
+                      }
+                    }
+                  },
                   "INVALID_PARAM": {
                     "value": {
                       "error": {

Get diff files from Workflow Page

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 7 lines in your changes missing coverage. Please review.

Project coverage is 64.95%. Comparing base (00b2133) to head (831e906).

❗ Current head 831e906 differs from pull request most recent head 4a55320

Please upload reports for the commit 4a55320 to get more accurate results.

Files	Patch %	Lines
packages/backend/src/core/ReactionService.ts	14.28%	6 Missing ⚠️
...src/server/api/endpoints/notes/reactions/create.ts	85.71%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##           develop   #13901       +/-   ##
============================================
- Coverage    77.74%   64.95%   -12.79%     
============================================
  Files          183      989      +806     
  Lines        25373   112861    +87488     
  Branches       487     5816     +5329     
============================================
+ Hits         19726    73313    +53587     
- Misses        5640    38106    +32466     
- Partials         7     1442     +1435     

☔ View full report in Codecov by Sentry.
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[kakkokari-gtyih]

空文字列でリアクションした場合 \u2764 にフォールバックされるように

単にエラー吐いて止まるのとハートつけるのとどっちが良いんだろって悩んでいた

[zyoshoka]

単にエラー吐いて止まるのとハートつけるのとどっちが良いんだろって悩んでいた

自分も迷ったんですが、普通の適当な絵文字でない文字列でもフォールバックされるのでその仕様に揃える方が合理的と思いましたがどうでしょう

[anatawa12]

コード見た感じ良さそう

[Sayamame-beans]

#13998 によると、異体字セレクタ単体を選択してリアクションが出来てしまうようです。
(U+FE0EとU+FE0Fの2種類が存在する? U+FE0Fで動作を確認しました)

こちらについても\u2764へのフォールバックを実装出来ると良さそうに思います。

[anatawa12]

misskey/packages/backend/src/misc/emoji-regex.ts

Line 7 in c51347d

const twemojiRegex = 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に引っかからないようにしたい気がする

というかtwemojiから持ってきてるからmfm的な話も合わせるとtwemoji側のバグな気もしてきた

[zyoshoka]

https://github.com/jdecked/twemoji-parser/blob/47d46405ed89c15948334913dec2693ad389b627/src/scala/generator/src/main/resources/codegen/regex.js.mustache#L40

これをパッと見た感じでは意図的な気はしますね

---

追記: テストもありました

https://github.com/jdecked/twemoji-parser/blob/47d46405ed89c15948334913dec2693ad389b627/src/__tests__/index.test.js#L51-L60

[anatawa12]

じゃあ除外するべきなのかなるほど

[syuilo]

🙏🏻