A changed-file list where one shadcn ScrollArea scrolls every block at once.
For AI Agents
Hand your agent this brief or the ReUI MCP, not a screenshot. Free to install.
Best for: A Card with 3 changed files that size to their content, scrolled together by one fixed height ScrollArea, each with count badges
When to use
- Assistant replies and agent output that stream code, or lines a reader picks to ask about
- Code review of diffs, git patches and diagnostics, with accept, reject and fix actions
- Docs snippets and terminal or test logs with line numbers, copy, wrap, folding and search
When not to use
- Changed files with real hunks and paired old and new line numbers: use the Code Block Unified Patch example
- A full assistant conversation screen with thread list, transcript and composer: use the AI Chat blocks
- A discount or promo code shown for a shopper to copy at checkout: use the Coupon blocks
- A release console with environment lanes, a deploy history grid and streaming logs: use the Dev Ops blocks
Agent notes
- The
addedandremovedcounts infilesare invented beside each final source; take them from your diff - Line specs such as
highlightedLines,diffandfoldedcount source lines from 1, whateverstartLineprints in the gutter maxLinescaps height only on the built-in surface; withCodeBlockContentinside your ownScrollArea, cap that viewport yourself- Hoist
transformersto module scope; a new array on every render re-tokenizes the whole file
https://reui.io/components/code-block/c-code-block-26.mdget_example("c-code-block-26")npx shadcn@latest add @reui/c-code-block-26Shadcn Components in Code Block External Scroll
About Shadcn Code Block External Scroll
Framed by an external ScrollArea. Built by composing Badge, Card, Code Block, Scroll Area. A free, open source shadcn code block example you can install with npx shadcn@latest add @reui/c-code-block-26 and edit as your own code.
What You Can Build With Shadcn Code Block External Scroll
- Composes Badge, Card, Code Block, Scroll Area, so it drops into any project already using those components.
- Install it with the shadcn CLI: npx shadcn@latest add @reui/c-code-block-26
- Open source and free, with the full source on this page to copy or adapt.
More Shadcn Code Block Examples
- Basic Basic code block
- Pinned Copy Pinned copy button
- Streaming Agent Streaming agent response
- AI Chat AI chat with code fences
- Diff Summary Diff with change summary
- Transformer Diff Diff via shiki transformers
- Highlights Highlighted lines and words
- Focus Walkthrough Focus walkthrough
- Terminal Output Terminal output
- Long File Long file with expand
- Diagnostics & Actions Line actions and diagnostics
- Line Selection Line selection
Related Shadcn Component Categories
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Open-source shadcn data grid components for sorting and filtering, virtualized tables, and admin dashboards.
Frequently Asked Questions
When should I use Shadcn Code Block External Scroll?
Use it for a Card with 3 changed files that size to their content, scrolled together by one fixed height ScrollArea, each with count badges.
Shadcn Code Block as a whole fits:
- Assistant replies and agent output that stream code, or lines a reader picks to ask about
- Code review of diffs, git patches and diagnostics, with accept, reject and fix actions
- Docs snippets and terminal or test logs with line numbers, copy, wrap, folding and search
For changed files with real hunks and paired old and new line numbers, use the Code Block Unified Patch example. For a full assistant conversation screen with thread list, transcript and composer, use the AI Chat blocks. For a discount or promo code shown for a shopper to copy at checkout, use the Coupon blocks. For a release console with environment lanes, a deploy history grid and streaming logs, use the Dev Ops blocks.
How do I install Shadcn Code Block External Scroll?
Is Shadcn Code Block External Scroll free to use?
Which components does Shadcn Code Block External Scroll use?
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