Public attributes and slots
label (Steps), orientation (horizontal/vertical), selected-index, silent selectedIndex, linear and disabled; direct cem-step payloads require unique value and label and accept completed, editable, optional, invalid and disabled. Default step content is retained panel content. Class, hidden and dir use native host behavior. Boolean attributes use presence, including empty and false-valued attributes.
| Attribute | Contract |
|---|---|
label | Visible disclosure/tab/workflow label or the default accessible name; a non-empty string. |
aria-label | Optional accessible-name override on the native semantic owner. Omit to use label. |
orientation | horizontal (default) or vertical; determines arrow-key axis and layout. |
selected-index | Zero-based selected panel index; defaults to the first enabled item. Programmatic changes are silent. |
linear | Presence requires completed or optional earlier steps before advancing; workflow facts remain application-owned. |
disabled | Presence makes the relevant native owners unavailable, including disabled="false". |
class | Optional consumer styling classes on the host; public internal hooks use part. |
hidden | Native host visibility; present removes the component from layout and keyboard navigation. |
dir | Native text direction: ltr or rtl, inherited when omitted. |
Arrow keys on the orientation axis and Home/End browse enabled headers. Enter/Space activates eligible steps. Linear mode uses completed, optional and invalid facts; completed earlier steps require editable to revisit.
Five theme modes
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Resolve publication errors.
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Resolve publication errors.
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Resolve publication errors.
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Resolve publication errors.
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Resolve publication errors.
Review panel
Resolve publication errors.