Phase 9c · Tier A
RN-universal Select pilot
ScaffoldedSingle-select dropdown. Trigger renders the selected option's label; content opens in an anchored RN Modal listing items. Same compound shape as shadcn Select. v1 is single-select only — multi-select belongs to the Combobox primitive (Tier B, Phase 9d).
Side-by-side: pick a programme
shadcn (Radix)
RN
Semantics
| Aspect | shadcn | RN | Notes |
|---|---|---|---|
| Trigger role | role="combobox" | role="button" + aria-haspopup="listbox" | Both expose expanded state |
| Content role | role="listbox" | role="listbox" | Same |
| Item role | role="option" | role="option" + aria-selected | Checkmark on selected |
| Single-select | yes | yes | v1 supports single only |
| Multi-select | no (Combobox) | no (Combobox) | Tier B, Phase 9d |
| Type-ahead | yes | no (v1) | 0.2.x candidate |
| Group + Label | yes | yes | Same compound surface |