mirror of
https://github.com/docker/docs.git
synced 2026-04-04 02:08:57 +07:00
db740fe266
> 🤖 Generated with [Claude Code](https://claude.com/claude-code) ## Summary `theme.js` unconditionally wrote the resolved preference to `localStorage` on every page load, permanently locking in a concrete `"light"` or `"dark"` value even for first-time visitors — making it impossible to track OS preference changes after any site visit. Removed the unconditional `localStorage.setItem` from `theme.js` so the early script only reads (never writes); the Alpine.js toggle in `header.html` now cycles through three states (light → dark → auto), with "auto" removing the `theme-preference` key and resolving from `prefers-color-scheme` with a live `matchMedia` change listener so the theme updates immediately when the OS preference changes. A contrast icon indicates auto mode; all three icon spans are driven by Alpine `x-show` directives rather than pure CSS dark-mode classes. **Verified:** logic matches the standard three-state pattern; `prefers-color-scheme` media query and `matchMedia` change listener are the canonical browser APIs for system-preference tracking. **Checked:** no other files reference `theme-preference` or the theme toggle; no CSS changes required. Closes #23177 --------- Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
Docs @ Docker
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