Spinner — logic2b/ui

import { Button } from "@/components/ui/button"
import { Spinner } from "@/components/ui/spinner"

export default function SpinnerDemo() {
  return (
    <div className="flex items-center gap-6">
      <Spinner />
      <Spinner className="size-6 text-primary" />
      <Button disabled>
        <Spinner />
        Please wait
      </Button>
    </div>
  )
}

Installation

npx logic2b@latest add spinner

Working with an AI assistant? Copy this prompt into Claude Code, Cursor or Copilot — it carries the install steps, a no-CLI fallback and a verification checklist.

Add the "spinner" item from the logic2b ui registry (https://ui.logic2b.com) to this project. Follow every step and verify at the end.

## Steps

1. If the project has no `components.json` yet, set up logic2b ui first:

   ```bash
   npx logic2b@latest init
   ```

2. Install the item (the CLI resolves registry dependencies automatically):

   ```bash
   npx logic2b@latest add spinner
   ```

3. Install any npm dependencies the command prints.

## If the CLI is not available

Do it manually from the registry payload:

1. Fetch https://ui.logic2b.com/r/spinner.json.
2. Write every entry in `files[]` to its mapped project path (see below).
3. Repeat (recursively) for each name in `registryDependencies`.
4. Install every package listed in `dependencies` across those payloads.

## Registry reference

- Index of every item: https://ui.logic2b.com/r/index.json
- Item payload (full source): https://ui.logic2b.com/r/<name>.json
- Usage examples per item: https://ui.logic2b.com/r/demos/index.json → https://ui.logic2b.com/r/demos/<demo>.json
- Docs index for agents: https://ui.logic2b.com/llms.txt (full docs: https://ui.logic2b.com/llms-full.txt)
- Every docs page is Markdown when you append `.md` to its URL.

Registry file paths map to project paths like this:
- `ui/*` → `@/components/ui/*`
- `blocks/<name>/*` → `@/components/*`
- `charts/*` → `@/components/charts/*`
- `hooks/*` → `@/hooks/*`
- `lib/utils.ts` → `@/lib/utils.ts`
- `theme.css` → next to the project's Tailwind entry stylesheet

## Conventions (do not break these)

- Tailwind CSS v4 (CSS-first config; no tailwind.config.js needed) and React 19.
- All colors go through semantic tokens (`bg-primary`, `text-muted-foreground`,
  `border-border`, …). Never hardcode hex/oklch values in components.
- Dark mode is class-based: toggle `.dark` on `<html>`.
- Icons come from lucide-react.

## Verify before finishing

1. The dev server starts and the app renders without console errors.
2. TypeScript compiles (`tsc --noEmit` or the framework's check).
3. Components use the theme: a `<Button>` shows the primary token color,
   and toggling `.dark` on `<html>` switches the palette.

Install the dependencies:

npm install lucide-react

Copy into ui/spinner.tsx:

import { Loader2Icon } from "lucide-react"

import { cn } from "@/lib/utils"

function Spinner({ className, ...props }: React.ComponentProps<"svg">) {
  return (
    <Loader2Icon
      role="status"
      aria-label="Loading"
      data-slot="spinner"
      className={cn("size-4 animate-spin", className)}
      {...props}
    />
  )
}

export { Spinner }

Usage

import { Spinner } from "@/components/ui/spinner"

<Spinner />
<Spinner className="size-6 text-primary" />

API

Prop	Type	Default
`className`	`string`	—

Renders lucide-react’s Loader2Icon with animate-spin; any prop accepted by an <svg> element (e.g. className for size/color) is passed through. It ships with role="status" and aria-label="Loading" so assistive technology announces it.

Examples

Sizes

import { Spinner } from "@/components/ui/spinner"

export default function SpinnerSizesDemo() {
  return (
    <div className="flex items-center gap-6">
      <Spinner className="size-4" />
      <Spinner className="size-6" />
      <Spinner className="size-8" />
    </div>
  )
}

In a button

import { Button } from "@/components/ui/button"
import { Spinner } from "@/components/ui/spinner"

export default function SpinnerButtonDemo() {
  return (
    <div className="flex items-center gap-4">
      <Button disabled>
        <Spinner />
        Please wait
      </Button>
      <Button variant="outline" size="icon" disabled>
        <Spinner />
      </Button>
    </div>
  )
}