UI Builder — Visual Editor for Your React App

UI Builder is a shadcn/ui package that adds a Figma-style editor to your own product, letting non-developers compose pages, emails, dashboards, and white-label views with the exact React components you already ship.

Layouts are saved as plain JSON for easy versioning and can be rendered instantly with dynamic data.

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UI Builder is now part of BTST — ship full-stack features faster with production-ready plugins that generate database schemas, API routes, and pages for Next.js, TanStack Start, and React Router.

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Installation

Quick Start with shadcn/ui

If you already have a shadcn/ui project:

npx shadcn@latest add https://raw.githubusercontent.com/olliethedev/ui-builder/main/registry/block-registry.json

Or start a new Next.js project with UI Builder:

npx shadcn@latest init https://raw.githubusercontent.com/olliethedev/ui-builder/main/registry/block-registry.json --base-color zinc

Optional: Add All Shadcn Components

Install the full shadcn component library with 54 pre-configured components and 124 block templates:

npx shadcn@latest add https://raw.githubusercontent.com/olliethedev/ui-builder/main/registry/shadcn-components-registry.json

Handling Peer Dependencies

If you encounter peer dependency warnings (common with React 19), create a .npmrc file:

echo "legacy-peer-deps=true" > .npmrc

Note: Use style variables for proper page theming.

Basic Usage

import z from "zod";
import UIBuilder from "@/components/ui/ui-builder";
import { Button } from "@/components/ui/button";
import { ComponentRegistry } from "@/components/ui/ui-builder/types";
import { primitiveComponentDefinitions } from "@/lib/ui-builder/registry/primitive-component-definitions";

const myComponentRegistry: ComponentRegistry = {
  ...primitiveComponentDefinitions,
  Button: {
    component: Button,
    schema: z.object({
      className: z.string().optional(),
      children: z.any().optional(),
      variant: z.enum(["default", "destructive", "outline", "secondary", "ghost", "link"]).default("default"),
    }),
    from: "@/components/ui/button",
  },
};

export function App() {
  return <UIBuilder componentRegistry={myComponentRegistry} />;
}

Documentation

For comprehensive documentation, visit uibuilder.app:

• Quick Start — Get up and running
• Component Registry — Configure components
• Shadcn Registry — Use pre-built shadcn components and blocks
• Custom Components — Add your own components
• Variables — Dynamic data binding
• Rendering Pages — Render saved layouts

Development

# Build component registries
npm run build-all-registries

# Run tests
npm run test

# Sync with latest shadcn components
npm run sync-shadcn

Breaking Changes

v2.0.0

• Internal structure changes. Delete old /ui-builder and /lib/ui-builder directories before updating.

v1.0.0

• Removed _page_ layer type. Use any component type as root.
• componentRegistry is now a prop, not a standalone file.

See the full changelog for details.

Contributing

Contributions are welcome! Please feel free to submit issues and pull requests.

License

MIT

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