TreeView
TreeView + TreeNode — pattern.
Live playground
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Edit JSX — preview updates livereact-live
import { TreeView } from "@avala/design"; <TreeView>TreeView</TreeView>
All variants
The Storybook stories file rendered as an iframe — every variant, every size, every state, baselined for visual regression.
patterns-treeview--defaultOpen in Storybook →
When to use
- File / folder browsers, dataset hierarchies, label taxonomies, organisation charts.
- Nested data where the user benefits from collapsing / expanding sub-branches.
- When parent → child structure carries meaning (a flat list wouldn't read).
When not to use
- Flat list with no nesting → use `StructuredList` or a plain
<ul>. - Multi-select hierarchy (checkboxes on every node) → roll your own; TreeView ships single-select only today.
- Heavy data-grid with sort / filter — even hierarchical → `DataTable` with row grouping.