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bd95407a9c fix(ui): validate stored resizable-panel layout before handing it to react-resizable-panels (#50349 )

## Summary
- `serverCompatibleLocalStorage.getItem()` already guards against
localStorage access itself throwing (SSR, private browsing, sandboxed
iframes), but returns whatever string is stored without checking it's
valid JSON.
- `react-resizable-panels`' own `useDefaultLayout()` calls
`JSON.parse()` on that value with no try/catch, so a stored value that
isn't valid JSON (overwritten by another script sharing the origin, a
browser extension, or a leftover value from a previous format) throws
and crashes the whole panel group instead of falling back to the default
layout.
- Fix: validate the value is parseable JSON in `getItem()` itself
(matching the file's existing best-effort persistence philosophy) and
return `null` — same as a missing value — when it isn't.

## Evidence (Sentry, past week)
- [SUPABASE-APP-KA8](https://supabase.sentry.io/issues/7726278966/) —
`SyntaxError: Unexpected token 'K', "KV-OK" is not valid JSON`,
full-page crash via `globalErrorBoundary` on `/project/[ref]/sql/[id]`.

## Test plan
- [ ] Manually confirmed the existing `transformLayoutKey`/try-catch
behavior for a missing or inaccessible key is unchanged
- [ ] Considered adding a unit test for
`serverCompatibleLocalStorage.getItem()`, but it isn't currently
exported; happy to export it and add a test if reviewers want one

🤖 Generated with [Claude Code](https://claude.com/claude-code)

https://claude.ai/code/session_01RUrmUfMBpPqkgerh9onNTM

---
_Generated by [Claude
Code](https://claude.ai/code/session_01RUrmUfMBpPqkgerh9onNTM)_

---------

Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: Ali Waseem <waseema393@gmail.com>

2026-09-14 13:39:54 -06:00

build/css

fix(ui): systematise control surface fills and hover borders (#48887 )

2026-08-18 16:54:25 +10:00

scripts

chore: Remove dead code and unused files from the packages/ui (#45169 )

2026-04-24 10:30:35 +02:00

src

fix(ui): validate stored resizable-panel layout before handing it to react-resizable-panels (#50349 )

2026-09-14 13:39:54 -06:00

.gitignore

remove Next/Link deps

2023-06-26 01:08:20 +08:00

components.json

chore: Expand prettier commands to also run on packages (#32550 )

2025-01-03 16:23:32 +01:00

index.tsx

Migrate off contentlayer2 to Velite (design-system, ui-library, learn) (#48546 )

2026-09-04 15:49:44 +02:00

package.json

chore(deps): upgrade vitest to v5 (#49994 )

2026-09-10 16:45:54 +08:00

README.md

chore: migrate from clsx + tailwind-merge to shadcn-ui/cn (#49938 )

2026-09-07 21:35:06 +08:00

tailwind.config.css

chore: Migrate the main Tailwind JS config to CSS (#45686 )

2026-05-13 13:14:58 +02:00

tsconfig.json

chore: Bump Typescript to v6 (#44204 )

2026-03-26 15:27:35 +01:00

vitest.config.ts

Add coveralls integration (#35424 )

2025-05-08 12:23:37 +02:00

vitest.setup.ts

chire: Sort imports in all packages, cms, design-system and ui-library apps (#41610 )

2026-02-05 13:54:10 +01:00

README.md

`packages/ui`

Supabase's shared React component library. Built on Radix UI primitives and shadcn/ui, styled with Tailwind CSS, and used across all Supabase apps.

Usage

Import from the 'ui' package alias:

import { Badge, Button, Input } from 'ui'

Some of the components have the _Shadcn_ suffix. These components should be preferred, they're in a process of replacing the other ones.

Utilities

// deep object merge (used for themes)
import { clipboard, cn, mergeDeep } from 'ui' // Tailwind class merging (shadcn-ui/cn)

// copy-to-clipboard helper

Styling conventions

Tailwind only — no inline styles or CSS modules.
Prefer shadcn semantic pairs (bg-card text-card-foreground, bg-muted text-muted-foreground, bg-tertiary text-tertiary-foreground) over hardcoded colors. Legacy utilities such as text-foreground-light and border-default are compatibility aliases only.
Control surface roles (bg-field, bg-control-raised, border-control-hover; CSS --control aliases raised) live in build/css/source/semantic.css. Prefer those over inventing fills. Legacy bg-control is still the accent wash alias.
Themes set the core --hue (or the split --surface-hue / --primary-hue), --chroma, --surface, --foreground-lightness, and --contrast inputs, plus their --muted-foreground-level and --tertiary-foreground-level hierarchy. Semantic colors are derived from them in OKLCH; --contrast: 1 is the baseline and the supported adjustment range is 0.75 to 1.25.
The workspace root owns the actual tailwind.config.js. The file in this package is a stub for IntelliSense only.