tams-cso/tams-club-cal

[BUG] Non-persistent (and flipping?) Dark/Light mode

Closed

#603 opened on May 19, 2026

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Arc: FrontendStatus: Needs TriageType: Buggood first issue

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 (9 stars)
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 (Avg merge 10d 14h) (4 merged PRs in 30d)

Description

Describe the bug

The theme seems to flip on every reload from light to dark and vice versa.

To Reproduce

Steps to reproduce the behavior:

  1. Open the website
  2. Notice the current theme (whether it is dark or light)
  3. Reload the page
  4. Notice the new theme

Expected behavior

Theme is persistent and does not change

Screenshots or Links

https://github.com/user-attachments/assets/f8c6762d-2a6a-45b8-a007-bbb23245a129

Environment

  • OS: MacOS 26
  • Browser: Arc (Chromium-Based

Additional context

Presumably an error with how light/dark theme is loaded? Ex: Saved while on page as true=dark with a boolean but loaded as true=light upon first render? Not sure and haven't looked into code.

Contributor guide

Research direction
Inspect the theme initialization logic. Check how the theme preference is persisted (e.g., localStorage) and if it's correctly read on page load. Look for any boolean inversion or race condition.
Tech stack
typescript
Domain
frontend
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
Git
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70