+1 リアクションホバーポップオーバーにおけるコアディスカス反応バグ

zogstrip · 2026 年 5 月 21 日午前 11:12

レポートをありがとうございます、@PortChange これは以下のプルリクエストで修正されます

github.com/discourse/discourse

FIX: Properly URL-encode reaction value when fetching reaction users (#40218)

main ← fix-reactions-users-popup-url-encoding

opened 10:21AM - 21 May 26 UTC

ZogStriP

+26 -4

The `findReactionUsers` model method built its query string via plain template-l…iteral concatenation, e.g. `?reaction_value=${value}`. For reactions whose value contains URL-reserved characters — most notably the default `+1` (thumbs-up) — this produced `?reaction_value=+1`, which Rack decodes as `reaction_value=" 1"`. The controller then queried for that mangled value, returned an empty `reaction_users` array, and the hover tooltip on the small emoji in the post reactions counter rendered its loading spinner indefinitely (the `{{#each ... else}}` branch fires when the users collection stays undefined). Switch to passing the value through ajax's `data:` option so jQuery serializes it via `$.param` (which uses `encodeURIComponent`). This matches what the sibling `fetchReactionsUsersList` (new menu) already does and means the request reaches the backend as `%2B1`. While here, update the `PostReactionsList` page object to use `[id="..."]` instead of the bare `#id` CSS selector, so it tolerates reaction values that contain characters disallowed in unescaped ID selectors. This unlocks a regression spec that hovers over a `+1` reaction and verifies the user list populates. Ref - t/184216

トピック		返信	表示
Show usernames in Reacted popover UX reactions	4	450	2023 年 9 月 30 日
Use of +1 for discourse_reactions_like_icon disables reactions button Support reactions	3	477	2023 年 9 月 11 日
Inconsistent tooltips on Reactions UX reactions	0	42	2024 年 8 月 2 日
Reactions plugin causing "Something went wrong" error when confirming emoji Bug	2	508	2022 年 1 月 24 日
Reactions sometimes not displayed when like count is missing Bug reactions	4	163	2026 年 1 月 9 日

+1 リアクションホバーポップオーバーにおけるコアディスカス反応バグ

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