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The dashboard's layout lived in localStorage as `{id, visible}` — a visibility
toggle wearing a layout's clothes. It carried no geometry, so widget width was
baked into SCSS (`.dash-kpi { grid-column: span 3 }`) and "make the chart wider"
was a code change. And it stayed on one machine.
`DashboardBoard` gives a user real boards: named, ordered, each holding a JSON
array of placed widgets with x/y/w/h and per-instance config. Three defaults
ship — overview, infrastructure, apps & deploys — seeded on a user's first GET
and restorable per board.
Validation is deliberate about the boring cases: geometry must fit the 12-column
grid, ids must be unique within a board, bools are rejected as coordinates
(`bool` subclasses `int`), and a rejected PUT leaves the stored board untouched
rather than half-applied. A board belonging to another user is a 404, not a 403
— there is no reason to confirm it exists.
The shipped defaults are checked by rebuilding their occupancy map cell by cell,
so editing DEFAULT_BOARDS into an overlap fails the suite instead of shipping a
broken first-run layout.
31 tests.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
React Dashboard Template
A modern React dashboard application boilerplate built with Vite, featuring routing, charts, and a sidebar layout for building data-driven web interfaces.
Features
- React 18 with functional components and hooks
- Vite for fast development and building
- React Router for client-side routing
- Recharts for data visualization
- Lucide React for icons
- ESLint for code linting
- Responsive sidebar layout
- Dashboard page with sample components
Getting Started
Prerequisites
- Node.js 16+ and npm
Installation
- Clone or download this template
- Install dependencies:
npm install
Development
Start the development server:
npm run dev
The app will be available at http://localhost:41921.
Building for Production
Build the app for deployment:
npm run build
The output will be in the dist/ directory.
Preview Production Build
npm run preview
Project Structure
src/
├── App.jsx # Main app with routing
├── main.jsx # Entry point
├── index.css # Global styles
├── components/
│ └── Sidebar.jsx # Navigation sidebar
├── layouts/
│ └── DashboardLayout.jsx # Main layout wrapper
└── pages/
└── Dashboard.jsx # Main dashboard page
Customization
- Modify components in
src/components/ - Add new pages in
src/pages/ - Update routes in
App.jsx - Customize styles in
index.cssor component files
Environment Variables
Create a .env file in the root for environment variables:
VITE_API_URL=https://api.example.com
Access them in code via import.meta.env.VITE_API_URL.
Contributing
See the documentation files for AI agent permissions and guidelines.