Nested files
Custom icons (folders & files)
Icons + end adornments
Icon-only rail
Custom expand chevron
Flat leaves with icons
Collapsed by default
Disabled branch item
Fully expanded
Custom aria label
Animation variants
animationVariant — click each control to compare press feedback.
API
| Prop | Required | Type | Default | Description |
|---|---|---|---|---|
| items | Optional | TreeItemData[] | — | id, label, children?, icon?, iconOnly?, ariaLabel?, endIcon?, disabled? |
| defaultExpanded | Optional | string[] | — | Initially expanded branch ids. |
| expandIcon | Optional | ReactNode | — | Custom chevron for expandable branches. |
| animationVariant | Optional | PressAnimationVariant | default | Press animation — default, none, ripple, scale, sink, lift, pulse, or glow. |