---
title: "Split panes (resizable · reorderable)"
description: "Resizable and reorderable split-pane primitives and composites for dividing screen space into adjustable regions."
category: "UI Components & Design System"
---

# Split panes (resizable · reorderable)

> Generated from `mcp/patterns.registry.json` — do not edit by hand; change the registry and run `bun run patterns:build`.

_Index card — the docs below are the canonical explanation; deep-tier pattern pages additionally carry invariants and emulation notes._

**Category:** UI Components & Design System · **Tier:** light · **Risk:** low — frontend only

Resizable and reorderable split-pane primitives and composites for dividing screen space into adjustable regions.

**When to use:** Use when a layout needs user-resizable or drag-reorderable panes, such as a multi-pane workspace.

## Docs

- [docs/blueprint/design/components.md](/docs/blueprint/design/components) ([GitHub](https://github.com/ApeDevil/v10r/blob/main/docs/blueprint/design/components.md) · [GitLab](https://gitlab.com/ApeDevil/v10r/-/blob/main/docs/blueprint/design/components.md))

## Code

- `src/lib/components/primitives/pane/` ([GitHub](https://github.com/ApeDevil/v10r/tree/main/src/lib/components/primitives/pane) · [GitLab](https://gitlab.com/ApeDevil/v10r/-/tree/main/src/lib/components/primitives/pane))
- `src/lib/components/composites/reorderable-panes/` ([GitHub](https://github.com/ApeDevil/v10r/tree/main/src/lib/components/composites/reorderable-panes) · [GitLab](https://gitlab.com/ApeDevil/v10r/-/tree/main/src/lib/components/composites/reorderable-panes))

## Proof

- [`/showcases/ui/splits`](/showcases/ui/splits)

---

_Machine-readable record: `ui-split-panes` in `mcp/patterns.registry.json`._