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Code Block

Code Block

A code block that highlights a plain string: the language rules live inside the component, with no library on the client.

React + Tailwind, shadcn-compatible: press “Copy for AI” and your Cursor or Claude Code agent installs it with the shadcn CLI.

What you can change

  • code, title and language
  • line numbers through showNumbers and wrapping through wrap
  • the onCopy handler

A link for your AI agent: preview, code and instructions.

Preview

1440pxHost theme
Code Block — A code block that highlights a plain string: the language rules live inside the component, with no library on the client.

Use it with AI

  1. 1. Copy the link.
  2. 2. Write to your agent in your own words and drop the link into the sentence.
  3. 3. The agent opens the link and installs the component from the registry.
AI
1Pick it here

put this on the home page as the hero:

https://vibeui.club/c/codeblock-031?lang=en&theme=dark

2Paste into the chat
3Get it in your project

Not sure where to paste it? Step-by-step guide

Show the full instructions

What the link says, spelled out. Use it when your agent cannot open links — paste this text instead.

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How to use

<Codeblock031 title="hooks/use-price.ts" language="ts" code={source} />

A sample call. The agent installs the component itself from the registry via the “Copy for AI” link.

Settings

File path
title · default: hooks/use-price.ts
Language
language · default: ts
Line numbers
showNumbers · default: on
Wrap lines
wrap · default: off
Background
background · default: theme colour

More in Code Block

FAQ

How do I add Code Block with Cursor or Claude Code?
Press “Copy for AI” on this page and paste it into your agent's chat. The instruction contains the shadcn CLI install command, the dependencies and what to keep, so the agent installs this exact component instead of recreating a lookalike.
What does Code Block depend on?
No npm packages beyond React and Tailwind CSS.
What can I change in Code Block?
Adapt: code, title and language; line numbers through showNumbers and wrapping through wrap; the onCopy handler. Keep as installed: the local --vibeui-codeblock-031-* palette — do not swap it for your theme tokens; the parsing inside the component: pulling in shiki or prism for the same handful of rules is not worth it; line numbers through a CSS counter and ::before — that keeps them out of the clipboard.
Is Code Block free?
Yes. The preview is open without an account; with a free account you can copy up to 20 components a month.

For developers

npx shadcn@latest add https://vibeui.club/r/pro/codeblock-031.json

This command needs a signed link: sign in and open “Component source” below — it issues a working link valid for 30 minutes. All install options

Technical notes

The component is self-contained: one file, zero dependencies, its own palette in the local --vibeui-codeblock-031-* variables. Client component: "use client" for the sake of copying. Highlighting is one regular expression per language (tsx, ts, js, json, bash) with named groups; the pass is shallow and colours comments, strings, numbers, keywords, JSX tags and command flags. Line numbers are printed by a CSS counter through ::before, so they never reach the clipboard with the code.

Tags

  • code
  • syntax
  • highlight
  • copy
Component source

The same file your agent installs. Here in case you would rather copy it by hand.

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