{ "slug": "selector", "name": "Selector", "description": "A searchable selector for models, people, workspaces and visual resources. Single or multiple selection, grouped lists or thumbnail grids, optional details, removable chips and keyboard navigation share one morphing surface.", "category": "blocks", "source_url": "https://asharca.github.io/ui/r/selector/raw.txt", "detail_url": "https://asharca.github.io/ui/r/selector/detail.json", "raw_url": "https://asharca.github.io/ui/r/selector/raw.txt", "page_url": "https://asharca.github.io/ui/components/blocks/selector", "markdown_url": "https://asharca.github.io/ui/components/blocks/selector.md", "published_at": "2026-09-28", "updated_at": "2026-10-16", "dependencies": [ "clsx", "lucide-react", "motion", "react", "react-dom", "tailwind-merge" ], "internal": [ "@/components/motion/popover-morph", "@/components/motion/popover-position", "@/components/motion/selector", "@/lib/ease", "@/lib/hooks/use-on-open", "@/lib/hooks/use-row-cursor", "@/lib/utils" ], "files": [ { "path": "components/motion/selector.tsx", "type": "component", "content": "\"use client\";\n// asharca.github.io/ui/components/blocks/selector\n\nimport { Check, ChevronDown, Search, X } from \"lucide-react\";\nimport { motion, useReducedMotion } from \"motion/react\";\nimport {\n\ttype KeyboardEvent,\n\ttype ReactNode,\n\tuseEffect,\n\tuseId,\n\tuseLayoutEffect,\n\tuseMemo,\n\tuseRef,\n\tuseState,\n} from \"react\";\nimport { createPortal } from \"react-dom\";\nimport {\n\tMorphPopover,\n\tMorphPopoverContent,\n\tMorphPopoverTrigger,\n} from \"@/components/motion/popover-morph\";\nimport { SPRING_PRESS } from \"@/lib/ease\";\nimport { useOnOpen } from \"@/lib/hooks/use-on-open\";\nimport { useRowCursor } from \"@/lib/hooks/use-row-cursor\";\nimport { cn } from \"@/lib/utils\";\n\nexport type SelectorOption = {\n\tid: string;\n\tname: string;\n\tdescription?: string;\n\tgroup?: string;\n\tmetadata?: string;\n\tkeywords?: string[];\n\ticon?: ReactNode;\n\tpreview?: ReactNode;\n\tdetails?: ReactNode;\n\tdisabled?: boolean;\n};\n\n/** Optional Tailwind overrides, merged after each slot's defaults. */\nexport type SelectorClassNames = {\n\ttrigger?: string;\n\tcontent?: string;\n\tlist?: string;\n\toption?: string;\n\ticon?: string;\n\tsearch?: string;\n\tdetails?: string;\n};\n\ntype SharedSelectorProps = {\n\toptions: SelectorOption[];\n\tdefaultOpen?: boolean;\n\tplaceholder?: string;\n\tsearchPlaceholder?: string;\n\tlabel?: string;\n\ttriggerVariant?: \"pill\" | \"field\" | \"workspace\";\n\tlayout?: \"list\" | \"grid\";\n\taction?: { label: string; onSelect: () => void };\n\tclassName?: string;\n\t/** Style individual parts independently; className styles the outer wrapper. */\n\tclassNames?: SelectorClassNames;\n};\n\nexport type SelectorProps = SharedSelectorProps & (\n\t| {\n\t\t\tmultiple?: false;\n\t\t\tvalue?: string;\n\t\t\tdefaultValue?: string;\n\t\t\tonValueChange?: (value: string) => void;\n\t\t}\n\t| {\n\t\t\tmultiple: true;\n\t\t\tvalue?: string[];\n\t\t\tdefaultValue?: string[];\n\t\t\tonValueChange?: (value: string[]) => void;\n\t\t}\n);\n\n\nconst SCROLLBAR_CLASS =\n\t\"[scrollbar-width:thin] [scrollbar-gutter:stable] [scrollbar-color:color-mix(in_oklab,var(--foreground)_18%,transparent)_transparent] hover:[scrollbar-color:color-mix(in_oklab,var(--foreground)_30%,transparent)_transparent] [&::-webkit-scrollbar]:w-1.5 [&::-webkit-scrollbar-track]:bg-transparent [&::-webkit-scrollbar-thumb]:rounded-full [&::-webkit-scrollbar-thumb]:bg-foreground/20 [&::-webkit-scrollbar-thumb:hover]:bg-foreground/30\";\n\nexport function Selector(props: SelectorProps) {\n\tconst {\n\t\toptions,\n\t\tdefaultOpen = false,\n\t\tplaceholder = \"Select an option\",\n\t\tsearchPlaceholder = \"Search options\",\n\t\tlabel = \"Options\",\n\t\ttriggerVariant = \"field\",\n\t\tlayout = \"list\",\n\t\taction,\n\t\tclassName,\n\t\tclassNames,\n\t} = props;\n\tconst uid = useId();\n\tconst reduce = useReducedMotion();\n\tconst [internalValue, setInternalValue] = useState(() =>\n\t\tprops.defaultValue ?? (props.multiple ? [] : options.find((option) => !option.disabled)?.id ?? \"\"),\n\t);\n\tconst currentValue = props.value ?? internalValue;\n\tconst latestValue = useRef(currentValue);\n\tuseLayoutEffect(() => {\n\t\tlatestValue.current = currentValue;\n\t});\n\tconst selectedIds = new Set(Array.isArray(currentValue) ? currentValue : [currentValue]);\n\tconst selectedOptions = options.filter((option) => !option.disabled && selectedIds.has(option.id));\n\tconst selected = selectedOptions[0];\n\tconst [open, setOpen] = useState(defaultOpen);\n\tconst [query, setQuery] = useState(\"\");\n\tconst listRef = useRef(null);\n\tconst triggerRef = useRef(null);\n\tconst inputRef = useRef(null);\n\tconst detailRef = useRef(null);\n\tconst detailAnchor = useRef(null);\n\tconst detailTimer = useRef(undefined);\n\tconst touchInteraction = useRef(false);\n\tconst [detailId, setDetailId] = useState(null);\n\tconst [detailPosition, setDetailPosition] = useState({ top: 12, left: 12 });\n\tconst groups = useMemo(() => {\n\t\tconst result = new Map();\n\t\tconst search = query.trim().toLowerCase();\n\t\tfor (const option of options) {\n\t\t\tif (![option.name, option.description, option.group, option.metadata, ...(option.keywords ?? [])]\n\t\t\t\t.filter(Boolean).join(\" \").toLowerCase().includes(search)) continue;\n\t\t\tconst group = option.group ?? \"\";\n\t\t\tconst items = result.get(group) ?? [];\n\t\t\titems.push(option);\n\t\t\tresult.set(group, items);\n\t\t}\n\t\treturn Array.from(result, ([label, items]) => ({ label, items }));\n\t}, [options, query]);\n\tconst rows = useMemo(() => groups.flatMap((group) => group.items).filter((option) => !option.disabled), [groups]);\n\tconst { activeIndex, moveTo, moveActive } = useRowCursor(rows, query);\n\tconst active = rows[activeIndex];\n\tconst detail = open ? rows.find((option) => option.id === detailId && option.details != null) : undefined;\n\n\tconst clearDetailTimer = () => {\n\t\twindow.clearTimeout(detailTimer.current);\n\t\tdetailTimer.current = undefined;\n\t};\n\tconst hideDetail = () => {\n\t\tclearDetailTimer();\n\t\tsetDetailId(null);\n\t};\n\tconst scheduleDetailClose = () => {\n\t\tclearDetailTimer();\n\t\tdetailTimer.current = window.setTimeout(() => setDetailId(null), 100);\n\t};\n\tconst showDetail = (option: SelectorOption, anchor: HTMLElement) => {\n\t\tclearDetailTimer();\n\t\tif (option.disabled || option.details == null || touchInteraction.current) {\n\t\t\tsetDetailId(null);\n\t\t\treturn;\n\t\t}\n\t\tif (detailId === option.id) return;\n\t\tsetDetailId(null);\n\t\tdetailTimer.current = window.setTimeout(() => {\n\t\t\tdetailAnchor.current = anchor;\n\t\t\tsetDetailId(option.id);\n\t\t}, 1500);\n\t};\n\tuseEffect(() => {\n\t\tif (!open || rows.length === 0) window.clearTimeout(detailTimer.current);\n\t\treturn () => window.clearTimeout(detailTimer.current);\n\t}, [open, rows]);\n\tuseLayoutEffect(() => {\n\t\tif (!detail) return;\n\t\tconst place = () => {\n\t\t\tconst rect = detailAnchor.current?.getBoundingClientRect();\n\t\t\tconst card = detailRef.current;\n\t\t\tif (!rect || !card) return;\n\t\t\tconst rightSpace = window.innerWidth - rect.right - 20;\n\t\t\tconst leftSpace = rect.left - 20;\n\t\t\tconst left = rightSpace >= card.offsetWidth || rightSpace >= leftSpace\n\t\t\t\t? rect.right + 8 : rect.left - card.offsetWidth - 8;\n\t\t\tsetDetailPosition({\n\t\t\t\tleft: Math.max(12, Math.min(left, window.innerWidth - card.offsetWidth - 12)),\n\t\t\t\ttop: Math.max(12, Math.min(rect.top, window.innerHeight - card.offsetHeight - 12)),\n\t\t\t});\n\t\t};\n\t\tplace();\n\t\tconst observer = new ResizeObserver(place);\n\t\tif (detailRef.current) observer.observe(detailRef.current);\n\t\twindow.addEventListener(\"resize\", place);\n\t\twindow.addEventListener(\"scroll\", place, true);\n\t\treturn () => {\n\t\t\tobserver.disconnect();\n\t\t\twindow.removeEventListener(\"resize\", place);\n\t\t\twindow.removeEventListener(\"scroll\", place, true);\n\t\t};\n\t}, [detail]);\n\tuseOnOpen(open, () => {\n\t\tsetQuery(\"\");\n\t\tsetDetailId(null);\n\t\tmoveTo(selected?.id ?? null);\n\t});\n\tuseEffect(() => {\n\t\tif (!open) return;\n\t\tconst frame = requestAnimationFrame(() => {\n\t\t\tlistRef.current?.querySelector(`[data-index=\"${activeIndex}\"]`)\n\t\t\t\t?.scrollIntoView({ block: \"nearest\" });\n\t\t});\n\t\treturn () => cancelAnimationFrame(frame);\n\t}, [open, activeIndex]);\n\n\tconst changeOpen = (next: boolean) => {\n\t\tsetOpen(next);\n\t\tif (!next) {\n\t\t\thideDetail();\n\t\t\tsetQuery(\"\");\n\t\t}\n\t};\n\tconst close = () => {\n\t\tchangeOpen(false);\n\t\ttriggerRef.current?.focus();\n\t};\n\tconst select = (option: SelectorOption) => {\n\t\tif (option.disabled) return;\n\t\tif (props.multiple) {\n\t\t\tconst liveValue = props.value ?? latestValue.current;\n\t\t\tconst liveIds = Array.isArray(liveValue) ? liveValue : [];\n\t\t\tconst enabledIds = liveIds.filter((id) => options.some((item) => item.id === id && !item.disabled));\n\t\t\tconst next = enabledIds.includes(option.id)\n\t\t\t\t? enabledIds.filter((id) => id !== option.id)\n\t\t\t\t: [...enabledIds, option.id];\n\t\t\tif (props.value === undefined) {\n\t\t\t\tlatestValue.current = next;\n\t\t\t\tsetInternalValue(next);\n\t\t\t}\n\t\t\tprops.onValueChange?.(next);\n\t\t\thideDetail();\n\t\t} else {\n\t\t\tif (props.value === undefined) setInternalValue(option.id);\n\t\t\tprops.onValueChange?.(option.id);\n\t\t\tclose();\n\t\t}\n\t};\n\tconst onKeyDown = (event: KeyboardEvent) => {\n\t\tif (event.nativeEvent.isComposing) return;\n\t\ttouchInteraction.current = false;\n\t\tif (event.key !== \"Tab\") hideDetail();\n\t\tif (event.key === \"Escape\") {\n\t\t\tevent.preventDefault();\n\t\t\tclose();\n\t\t} else if (event.target !== inputRef.current &&\n\t\t\t!(event.target instanceof HTMLElement && event.target.getAttribute(\"role\") === \"option\")) {\n\t\t\treturn;\n\t\t} else if (event.key === \"ArrowDown\" || event.key === \"ArrowUp\") {\n\t\t\tevent.preventDefault();\n\t\t\tmoveActive(event.key === \"ArrowDown\" ? 1 : -1);\n\t\t} else if (event.key === \"PageDown\" || event.key === \"PageUp\") {\n\t\t\tevent.preventDefault();\n\t\t\tfor (let step = 0; step < 12; step++) moveActive(event.key === \"PageDown\" ? 1 : -1);\n\t\t} else if (event.key === \"Enter\" && active) {\n\t\t\tevent.preventDefault();\n\t\t\tselect(active);\n\t\t}\n\t};\n\n\treturn (\n\t\t\n\t\t\t
\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\t{selected?.icon != null ? {selected.icon} : null}\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t{props.multiple ? (selectedOptions.length ? `${selectedOptions.length} selected` : placeholder) : selected?.name ?? placeholder}\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t{triggerVariant === \"workspace\" && selected?.description ? {selected.description} : null}\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t{props.multiple && selectedOptions.length ? (\n\t\t\t\t\t
\n\t\t\t\t\t\t{selectedOptions.map((option) => (\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t{option.name}\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t))}\n\t\t\t\t\t
\n\t\t\t\t) : null}\n\t\t\t
\n\t\t\t inputRef.current?.focus()} className={cn(\"flex w-[22rem] max-w-[calc(100vw-24px)] flex-col bg-background text-sm text-foreground\", classNames?.content)}>\n\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t\t\n\t\t\t\t\t\t { hideDetail(); setQuery(event.target.value); }} role=\"combobox\" aria-label={searchPlaceholder} aria-expanded=\"true\" aria-autocomplete=\"list\" aria-controls={`${uid}-options`} aria-activedescendant={active ? `${uid}-option-${activeIndex}` : undefined} placeholder={searchPlaceholder} className=\"h-full min-w-0 flex-1 bg-transparent text-[inherit] outline-none placeholder:text-muted-foreground\" />\n\t\t\t\t\t\t{query ? : ESC}\n\t\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t{groups.length ? groups.map((group) => (\n\t\t\t\t\t\t
\n\t\t\t\t\t\t\t{group.label ? {group.label} : null}\n\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t{group.items.map((option) => {\n\t\t\t\t\t\t\t\t\tconst index = rows.indexOf(option);\n\t\t\t\t\t\t\t\t\tconst isActive = active?.id === option.id;\n\t\t\t\t\t\t\t\t\tconst isSelected = !option.disabled && selectedIds.has(option.id);\n\t\t\t\t\t\t\t\t\treturn (\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t);\n\t\t\t\t\t\t\t\t})}\n\t\t\t\t\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t\t)) :

No options found.

}\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t{props.multiple ? {selectedOptions.length} selected : <>↑↓ Navigate↵ Select}\n\t\t\t\t\t
\n\t\t\t\t\t\t{action ? : null}\n\t\t\t\t\t\t{props.multiple ? : null}\n\t\t\t\t\t
\n\t\t\t\t
\n\t\t\t\n\t\t\t{detail ? createPortal(\n\t\t\t\t, document.body,\n\t\t\t) : null}\n\t\t\n\t);\n}\n" }, { "path": "components/motion/popover-morph.tsx", "type": "util", "content": "\"use client\";\n\nimport {\n AnimatePresence,\n motion,\n animate,\n useMotionValue,\n usePresence,\n useReducedMotion,\n} from \"motion/react\";\nimport {\n cloneElement,\n createContext,\n isValidElement,\n type ReactElement,\n type ReactNode,\n type Ref,\n useCallback,\n useContext,\n useEffect,\n useId,\n useMemo,\n useRef,\n useState,\n} from \"react\";\nimport { createPortal } from \"react-dom\";\nimport { usePopoverPortalPosition } from \"@/components/motion/popover-position\";\nimport { EASE_OUT, SPRING_PANEL } from \"@/lib/ease\";\nimport { cn } from \"@/lib/utils\";\n\ntype Side = \"top\" | \"bottom\";\ntype Align = \"start\" | \"end\";\n\ntype MorphContextValue = {\n open: boolean;\n setOpen: (open: boolean) => void;\n toggle: () => void;\n triggerId: string;\n contentId: string;\n /** The element the panel measures against — see `registerTrigger`. */\n triggerRef: React.MutableRefObject;\n registerTrigger: (node: HTMLElement | null) => void;\n contentRef: React.MutableRefObject;\n};\n\nconst MorphContext = createContext(null);\n\nfunction useMorphContext(component: string) {\n const ctx = useContext(MorphContext);\n if (!ctx) throw new Error(`${component} must be used within `);\n return ctx;\n}\n\nexport interface MorphPopoverProps {\n children: ReactNode;\n /** Controlled open state. */\n open?: boolean;\n /** Uncontrolled initial open state. */\n defaultOpen?: boolean;\n onOpenChange?: (open: boolean) => void;\n className?: string;\n}\n\n/**\n * A popover whose panel morphs open from the trigger corner: it's laid out at\n * full size but clipped to the corner nearest the trigger, then unclips as one\n * piece. Closes on outside pointer / Escape. Controlled or uncontrolled.\n */\nexport function MorphPopover({\n children,\n open: controlledOpen,\n defaultOpen = false,\n onOpenChange,\n className,\n}: MorphPopoverProps) {\n const baseId = useId();\n const [root, setRoot] = useState(null);\n const [trigger, setTrigger] = useState(null);\n const contentRef = useRef(null);\n const [internalOpen, setInternalOpen] = useState(defaultOpen);\n const controlled = controlledOpen !== undefined;\n const open = controlled ? controlledOpen : internalOpen;\n\n const setOpen = useCallback(\n (next: boolean) => {\n if (!controlled) setInternalOpen(next);\n onOpenChange?.(next);\n },\n [controlled, onOpenChange],\n );\n const toggle = useCallback(() => setOpen(!open), [setOpen, open]);\n\n // A trigger normally registers itself through MorphPopoverTrigger. It can't\n // when something else already clones the element — a Tooltip wrapping the\n // button, say — and an unregistered trigger leaves the panel with nothing to\n // measure against, so it renders permanently invisible. The root boxes the\n // trigger exactly (the content portals out of it), so it stands in until a\n // real trigger registers, and stands in again if that one unmounts. Both are\n // state, so a trigger arriving while the panel is open re-anchors it.\n const anchorRef = useMemo>(\n () => ({ current: trigger ?? root }),\n [root, trigger],\n );\n\n // The panel is a `role=\"dialog\"` and goes inert the moment it closes, so\n // focus cannot be left sitting inside it: a dismissal hands it back to the\n // trigger, the way the ARIA dialog pattern asks. A pointer dismissal takes\n // the focus onward itself when it lands on something focusable — this only\n // catches the case where it would otherwise be stranded. When no trigger has\n // registered, the root anchor stands in only if it can actually hold focus;\n // there is nowhere better than where the keyboard already is, so leave it.\n const close = useCallback(() => {\n setOpen(false);\n const focused = document.activeElement;\n const inPanel =\n focused instanceof HTMLElement && contentRef.current?.contains(focused);\n if (!inPanel) return;\n const restore = trigger ?? (root && root.tabIndex >= 0 ? root : null);\n restore?.focus();\n }, [root, setOpen, trigger]);\n\n useEffect(() => {\n if (!open) return;\n const onKey = (e: KeyboardEvent) => e.key === \"Escape\" && close();\n const onPointer = (e: PointerEvent) => {\n const target = e.target as Node;\n if (\n root &&\n !root.contains(target) &&\n !contentRef.current?.contains(target)\n )\n close();\n };\n window.addEventListener(\"keydown\", onKey);\n window.addEventListener(\"pointerdown\", onPointer);\n return () => {\n window.removeEventListener(\"keydown\", onKey);\n window.removeEventListener(\"pointerdown\", onPointer);\n };\n }, [open, root, close]);\n\n const ctx = useMemo(\n () => ({\n open,\n setOpen,\n toggle,\n triggerId: `${baseId}-trigger`,\n contentId: `${baseId}-content`,\n triggerRef: anchorRef,\n registerTrigger: setTrigger,\n contentRef,\n }),\n [open, setOpen, toggle, baseId, anchorRef],\n );\n\n return (\n \n
\n {children}\n
\n \n );\n}\n\nexport interface MorphPopoverTriggerProps {\n children: ReactElement;\n}\n\nfunction mergeRefs(...refs: Array | undefined>) {\n return (node: T | null) => {\n for (const ref of refs) {\n if (typeof ref === \"function\") ref(node);\n else if (ref && typeof ref === \"object\")\n (ref as React.MutableRefObject).current = node;\n }\n };\n}\n\n/** Wraps a single element, toggling the popover on click. */\nexport function MorphPopoverTrigger({ children }: MorphPopoverTriggerProps) {\n const ctx = useMorphContext(\"MorphPopoverTrigger\");\n const child = children as ReactElement>;\n const childOnClick = child?.props?.onClick as\n | ((e: unknown) => void)\n | undefined;\n const childRef = (child?.props as { ref?: Ref } | undefined)\n ?.ref;\n // Register once per actual ref change, not once per open-state render.\n const mergedRef = useMemo(\n () => mergeRefs(childRef, ctx.registerTrigger),\n [childRef, ctx.registerTrigger],\n );\n if (!isValidElement(children)) return children;\n\n return cloneElement(child, {\n id: ctx.triggerId,\n ref: mergedRef,\n onClick: (e: unknown) => {\n childOnClick?.(e);\n ctx.toggle();\n },\n \"aria-haspopup\": \"dialog\",\n \"aria-expanded\": ctx.open,\n \"aria-controls\": ctx.open ? ctx.contentId : undefined,\n });\n}\n\nconst originFor = (side: Side, align: Align) =>\n `${side === \"bottom\" ? \"top\" : \"bottom\"} ${align === \"end\" ? \"right\" : \"left\"}`;\n\n// A clip that hides everything but the corner nearest the trigger, so the\n// panel appears to grow out of it. inset(top right bottom left).\nfunction clipAt(side: Side, align: Align, radius: number, inset: number) {\n const top = side === \"bottom\" ? \"0%\" : `${inset}%`;\n const bottom = side === \"bottom\" ? `${inset}%` : \"0%\";\n const right = align === \"end\" ? \"0%\" : `${inset}%`;\n const left = align === \"end\" ? `${inset}%` : \"0%\";\n return `inset(${top} ${right} ${bottom} ${left} round ${radius}px)`;\n}\n\n// Preserve the original spring character on the wrapper, but tween the complex\n// clip-path so it cannot snap when the spring resolves its final distance.\nconst MORPH_CLIP_TRANSITION = { duration: 0.32, ease: EASE_OUT } as const;\n\nexport interface MorphPopoverContentProps {\n children: ReactNode;\n side?: Side;\n align?: Align;\n /** Gap between trigger and panel, in px. Default 8. */\n sideOffset?: number;\n /** Panel corner radius, in px. Default 16. */\n radius?: number;\n /** Draw the surface shadow. Default true. */\n shadow?: boolean;\n /** Runs after the portalled surface is positioned and visible. */\n onOpenAutoFocus?: (content: HTMLDivElement) => void;\n /** Override the panel landmark. Menus pass \"menu\" instead of the dialog default. */\n role?: \"dialog\" | \"menu\";\n className?: string;\n}\n\nexport function MorphPopoverContent(props: MorphPopoverContentProps) {\n const ctx = useMorphContext(\"MorphPopoverContent\");\n const [portalReady, setPortalReady] = useState(false);\n useEffect(() => setPortalReady(true), []);\n if (!portalReady) return null;\n return createPortal(\n \n {ctx.open && }\n ,\n document.body,\n );\n}\n\n// Measurement belongs to the mounted portal session: reopening must not start\n// an entrance at the previous session's coordinates before measuring this one.\nfunction MorphPopoverSurface({\n children,\n side = \"bottom\",\n align = \"end\",\n sideOffset = 8,\n radius = 16,\n shadow = true,\n onOpenAutoFocus,\n role = \"dialog\",\n className,\n}: MorphPopoverContentProps) {\n const ctx = useMorphContext(\"MorphPopoverContent\");\n const reduce = useReducedMotion() ?? false;\n const [isPresent, safeToRemove] = usePresence();\n const layout = usePopoverPortalPosition(\n ctx.triggerRef,\n ctx.contentRef,\n isPresent,\n );\n\n const preferredLeft = layout\n ? align === \"end\"\n ? layout.trigger.left + layout.trigger.width - layout.content.width\n : layout.trigger.left\n : 0;\n // Larger compositions, such as calendars, use the roomier side if needed.\n const gutter = 8;\n const below = layout\n ? Math.max(0, window.innerHeight - layout.trigger.top - layout.trigger.height - sideOffset - gutter)\n : 0;\n const above = layout ? Math.max(0, layout.trigger.top - sideOffset - gutter) : 0;\n const requestedSpace = side === \"bottom\" ? below : above;\n const otherSpace = side === \"bottom\" ? above : below;\n const resolvedSide = layout && layout.content.height > requestedSpace && otherSpace > requestedSpace\n ? side === \"bottom\" ? \"top\" : \"bottom\"\n : side;\n const availableHeight = resolvedSide === \"bottom\" ? below : above;\n const left = layout\n ? Math.max(gutter, Math.min(preferredLeft, window.innerWidth - layout.content.width - gutter))\n : 0;\n const top = layout\n ? resolvedSide === \"bottom\"\n ? layout.trigger.top + layout.trigger.height + sideOffset\n : Math.max(gutter, layout.trigger.top - layout.content.height - sideOffset)\n : 0;\n\n // Both directions travel between the exact same hidden/show states. Exit\n // targets \"hidden\" directly instead of introducing separate choreography.\n const wrap = reduce\n ? undefined\n : {\n hidden: { scale: 0.96, transition: SPRING_PANEL },\n show: { scale: 1, transition: SPRING_PANEL },\n };\n const clip = reduce\n ? undefined\n : {\n hidden: {\n clipPath: clipAt(resolvedSide, align, radius, 92),\n transition: MORPH_CLIP_TRANSITION,\n },\n show: {\n clipPath: clipAt(resolvedSide, align, radius, 0),\n transition: MORPH_CLIP_TRANSITION,\n },\n };\n // Animate the value directly so opacity stays in the inline style throughout\n // the entrance. A native opacity animation can expose the initial inline 0\n // for a frame when it finishes, before Motion writes the final value.\n const opacity = useMotionValue(0);\n const ready = layout !== null;\n const focusedOnOpen = useRef(false);\n useEffect(() => {\n if (!ready || !isPresent || focusedOnOpen.current || !ctx.contentRef.current) return;\n focusedOnOpen.current = true;\n onOpenAutoFocus?.(ctx.contentRef.current);\n }, [ready, isPresent, ctx.contentRef, onOpenAutoFocus]);\n useEffect(() => {\n if (!ready) {\n if (!isPresent) safeToRemove?.();\n return;\n }\n const animation = animate(opacity, isPresent ? 1 : 0, {\n ...(reduce ? { duration: 0.12 } : SPRING_PANEL),\n onComplete: () => {\n if (!isPresent) safeToRemove?.();\n },\n });\n return () => animation.stop();\n }, [opacity, ready, isPresent, reduce, safeToRemove]);\n\n return (\n \n \n {children}\n \n \n );\n}\n" }, { "path": "lib/ease.ts", "type": "util", "content": "// Shared motion tokens. Easing curves mirror the CSS custom properties in\n// globals.css; springs are the canonical physics used across components.\n// Strong custom variants — defaults like `ease-in`/`ease-out` feel weak.\n\nexport const EASE_OUT = [0.16, 1, 0.3, 1] as const;\nexport const EASE_IN_OUT = [0.77, 0, 0.175, 1] as const;\nexport const EASE_DRAWER = [0.32, 0.72, 0, 1] as const;\n\n/** CSS string form of EASE_OUT for inline style transitions. */\nexport const EASE_OUT_CSS = \"cubic-bezier(0.16, 1, 0.3, 1)\";\n\n/** Press feedback on buttons and other tappable surfaces. */\nexport const SPRING_PRESS = {\n type: \"spring\",\n stiffness: 500,\n damping: 30,\n mass: 0.6,\n} as const;\n\n/** Content swaps — label/icon slots trading places inside a control. */\nexport const SPRING_SWAP = {\n type: \"spring\",\n stiffness: 460,\n damping: 30,\n mass: 0.55,\n} as const;\n\n/** Overlay panel entrances — modals and sheets summoned by pointer. */\nexport const SPRING_PANEL = {\n type: \"spring\",\n stiffness: 420,\n damping: 40,\n mass: 0.5,\n} as const;\n\n/** Shared-layout glides — pills, indicators and panels morphing between positions. */\nexport const SPRING_LAYOUT = {\n type: \"spring\",\n stiffness: 360,\n damping: 32,\n mass: 0.6,\n} as const;\n\n/** Cursor-follow physics for decorative mouse tracking (magnetic, tilt, dock). */\nexport const SPRING_MOUSE = {\n stiffness: 200,\n damping: 15,\n mass: 0.3,\n} as const;\n\n/** Dragged handles and fills (sliders) — critically damped `useSpring` config,\n * so the value follows the pointer butterily and never rebounds off an end. */\nexport const SPRING_GLIDE = {\n stiffness: 700,\n damping: 50,\n mass: 0.5,\n} as const;\n" }, { "path": "lib/hooks/use-on-open.ts", "type": "util", "content": "\"use client\";\n\nimport { useState } from \"react\";\n\n/**\n * Runs `start` during the render in which `open` becomes true.\n *\n * Opening a list starts a fresh session — an empty query, the highlight back at\n * the top — and that is a resolution, not a side effect: a passive effect runs\n * after the commit, so the new session would carry the last one's state for a\n * window in which a key press can land.\n *\n * `start` may only set state belonging to the calling component. Anything that\n * reaches outside it — a consumer's callback, a DOM write, moving focus — is a\n * side effect, and React rejects a callback that sets another component's state\n * during this one's render. Put those in an effect keyed to `open`.\n */\nexport function useOnOpen(open: boolean, start: () => void) {\n const [wasOpen, setWasOpen] = useState(open);\n if (open !== wasOpen) {\n setWasOpen(open);\n if (open) start();\n }\n}\n" }, { "path": "lib/hooks/use-row-cursor.ts", "type": "util", "content": "\"use client\";\n\nimport { useCallback, useLayoutEffect, useRef, useState } from \"react\";\n\n/**\n * Where the keyboard or the pointer last moved to: the row's id, stamped with\n * the query it was placed under.\n */\ntype RowCursor = { id: string; query: string };\n\n/** The cursor's row, or -1 once the query has moved on or the row has left. */\nfunction indexOfCursor(\n rows: readonly { id: string }[],\n query: string,\n cursor: RowCursor | null,\n) {\n if (cursor === null || cursor.query !== query) return -1;\n return rows.findIndex((row) => row.id === cursor.id);\n}\n\n/**\n * The highlighted row of a list whose rows can change under it.\n *\n * Which row is highlighted is resolved during render, never in a passive\n * effect: a passive effect runs after the commit, so a list that had just\n * changed would carry an `aria-activedescendant` naming a row that has left it,\n * and a key pressed in that window would commit the wrong row or nothing at\n * all.\n *\n * The cursor holds the row's id, not its position. A position alone cannot tell\n * a list that shrank from one that swapped its rows for a different set of the\n * same length, and the second case is the one that silently hands Enter to a\n * row the user never chose. A cursor whose row has left the list returns the\n * highlight to the first row rather than to the nearest surviving one: the row\n * the user aimed at is gone, and the first row is where a new query already\n * puts the highlight.\n *\n * Pass the query the list is filtered by. The cursor is stamped with it and\n * dropped when it changes, so a caller cannot forget to clear it — including a\n * caller whose query arrives as a prop and so never runs its own handler. Rows\n * that come back under a query that has moved on cannot revive it either.\n * `moveTo(null)` is for deliberate resets, such as reopening the list.\n *\n * Both callbacks keep one identity for the life of the component, and read the\n * rows and the query through a ref to do it. A caller will put them in an\n * effect's dependencies — the exhaustive-deps rule makes it — and a `moveTo`\n * rebuilt on every keystroke would re-run that effect on every keystroke.\n */\nexport function useRowCursor(rows: readonly { id: string }[], query: string) {\n const [cursor, setCursor] = useState(null);\n // Written after commit, not during render: a render React discards or has not\n // finished still runs the component body, and an event handler that read this\n // in that window would stamp the cursor with a query the committed tree does\n // not have.\n const latest = useRef({ rows, query });\n useLayoutEffect(() => {\n latest.current = { rows, query };\n });\n\n const cursorRow = indexOfCursor(rows, query, cursor);\n // Cleared rather than ignored: React re-runs this render with the cursor\n // already gone, so rows that come back cannot revive a highlight the user has\n // stopped aiming at.\n if (cursor !== null && cursorRow < 0) setCursor(null);\n\n const moveTo = useCallback(\n (id: string | null) =>\n setCursor(id === null ? null : { id, query: latest.current.query }),\n [],\n );\n\n const moveActive = useCallback((direction: 1 | -1) => {\n const { rows: live, query: liveQuery } = latest.current;\n const last = live.length - 1;\n if (last < 0) return;\n // Steps from the row the cursor is really on, inside the update, so that\n // two keys landing in one batch move two rows rather than one.\n setCursor((current) => {\n const at = Math.max(indexOfCursor(live, liveQuery, current), 0);\n const next = Math.min(Math.max(at + direction, 0), last);\n return { id: live[next].id, query: liveQuery };\n });\n }, []);\n\n return { activeIndex: cursorRow < 0 ? 0 : cursorRow, moveTo, moveActive };\n}\n" }, { "path": "lib/utils.ts", "type": "util", "content": "import { clsx, type ClassValue } from \"clsx\"\nimport { twMerge } from \"tailwind-merge\"\n\nexport function cn(...inputs: ClassValue[]) {\n return twMerge(clsx(inputs))\n}\n" }, { "path": "components/motion/popover-position.ts", "type": "util", "content": "\"use client\";\n\nimport {\n type MutableRefObject,\n useCallback,\n useLayoutEffect,\n useState,\n} from \"react\";\n\nexport type PortalLayout = {\n trigger: {\n left: number;\n top: number;\n width: number;\n height: number;\n };\n content: {\n width: number;\n height: number;\n };\n};\n\nfunction sameLayout(a: PortalLayout | null, b: PortalLayout) {\n return (\n a?.trigger.left === b.trigger.left &&\n a.trigger.top === b.trigger.top &&\n a.trigger.width === b.trigger.width &&\n a.trigger.height === b.trigger.height &&\n a.content.width === b.content.width &&\n a.content.height === b.content.height\n );\n}\n\n/** Measures a trigger and portalled panel in viewport coordinates. */\nexport function usePopoverPortalPosition<\n TriggerElement extends HTMLElement,\n ContentElement extends HTMLElement,\n>(\n triggerRef: MutableRefObject,\n contentRef: MutableRefObject,\n active: boolean,\n) {\n const [layout, setLayout] = useState(null);\n\n const update = useCallback(() => {\n const trigger = triggerRef.current;\n const content = contentRef.current;\n if (!trigger || !content) return;\n\n const rect = trigger.getBoundingClientRect();\n const next: PortalLayout = {\n trigger: {\n left: rect.left,\n top: rect.top,\n width: rect.width,\n height: rect.height,\n },\n content: {\n width: content.offsetWidth,\n height: content.offsetHeight,\n },\n };\n setLayout((current) => (sameLayout(current, next) ? current : next));\n }, [contentRef, triggerRef]);\n\n useLayoutEffect(() => {\n update();\n if (!active) return;\n\n const trigger = triggerRef.current;\n const content = contentRef.current;\n const observer = new ResizeObserver(update);\n if (trigger) observer.observe(trigger);\n if (content) observer.observe(content);\n\n window.addEventListener(\"scroll\", update, true);\n window.addEventListener(\"resize\", update);\n return () => {\n observer.disconnect();\n window.removeEventListener(\"scroll\", update, true);\n window.removeEventListener(\"resize\", update);\n };\n }, [active, contentRef, triggerRef, update]);\n\n return layout;\n}\n" }, { "path": "components/previews/blocks/selector.preview.tsx", "type": "preview", "content": "\"use client\";\n\nimport { Bot, Brain, Building2, Circle, Sparkles } from \"lucide-react\";\nimport { useState } from \"react\";\nimport { Selector } from \"@/components/motion/selector\";\nimport type { SelectorOption } from \"@/components/motion/selector\";\n\nconst MODELS: SelectorOption[] = [\n {\n id: \"claude-sonnet\",\n name: \"Claude Sonnet\",\n group: \"Anthropic\",\n description: \"Balanced reasoning and everyday coding\",\n metadata: \"200K\",\n keywords: [\"reasoning\", \"vision\", \"tools\"],\n icon: ,\n details: (\n
\n

Claude Sonnet

\n

\n A balanced choice for writing, analysis, and everyday coding. Supports\n images and tools with a 200K-token context window.\n

\n
\n ),\n },\n {\n id: \"claude-opus\",\n name: \"Claude Opus\",\n group: \"Anthropic\",\n description: \"Deep reasoning for complex work\",\n metadata: \"200K\",\n keywords: [\"reasoning\", \"analysis\"],\n icon: ,\n },\n {\n id: \"gpt-4o\",\n name: \"GPT-4o\",\n group: \"OpenAI\",\n description: \"Fast, multimodal conversations\",\n metadata: \"128K\",\n keywords: [\"vision\", \"tools\"],\n icon: ,\n },\n {\n id: \"gpt-4.1\",\n name: \"GPT-4.1\",\n group: \"OpenAI\",\n description: \"Precise instructions and a larger context\",\n metadata: \"1M\",\n keywords: [\"coding\", \"tools\"],\n icon: ,\n },\n {\n id: \"gemini-pro\",\n name: \"Gemini Pro\",\n group: \"Google\",\n description: \"Reason across documents, images, and code\",\n metadata: \"1M\",\n keywords: [\"vision\", \"reasoning\"],\n icon: ,\n },\n];\n\nexport function SelectorPreview() {\n const [model, setModel] = useState(\"claude-sonnet\");\n\n return (\n
\n

Choose your model

\n \n

\n Using {MODELS.find((option) => option.id === model)?.name}.\n

\n

\n Search by model, provider, or capability. Hover or focus Claude Sonnet\n for details. Customize the trigger and panel with classNames.\n

\n
\n );\n}\n\nconst PEOPLE: SelectorOption[] = [\n { id: \"ava\", name: \"Ava Thompson\", description: \"ava@studio.co\", metadata: \"Design\", group: \"Your team\" },\n { id: \"noah\", name: \"Noah Williams\", description: \"noah@studio.co\", metadata: \"Engineering\", group: \"Your team\" },\n { id: \"mia\", name: \"Mia Chen\", description: \"mia@studio.co\", metadata: \"Product\", group: \"Your team\" },\n { id: \"leo\", name: \"Leo Martin\", description: \"leo@partner.co\", metadata: \"Guest\", group: \"Collaborators\" },\n].map((person) => ({\n ...person,\n icon: (\n \n {person.name.split(\" \").map((part) => part[0]).join(\"\")}\n \n ),\n}));\n\nexport function SelectorPeopleSinglePreview() {\n const [person, setPerson] = useState(\"\");\n\n return (\n
\n
\n

Choose an assignee

\n

\n Search by name or email and choose one person responsible for the task.\n

\n
\n \n

\n {person ? `Assigned to ${PEOPLE.find((option) => option.id === person)?.name}.` : \"No assignee yet.\"}\n

\n
\n );\n}\n\nexport function SelectorPeoplePreview() {\n const [people, setPeople] = useState([\"ava\", \"mia\"]);\n\n return (\n
\n
\n

Share with your team

\n

\n Search names or emails, then select everyone who needs access.\n

\n
\n \n

\n {people.length === 0\n ? \"Only you have access.\"\n : `Shared with ${people.length} ${people.length === 1 ? \"person\" : \"people\"}.`}\n

\n

\n Remove a chip to revoke access, or choose Done when finished.\n

\n
\n );\n}\n\nconst WORKSPACES: SelectorOption[] = [\n {\n id: \"studio\",\n name: \"Studio\",\n description: \"Pro plan · 12 members\",\n group: \"Team workspaces\",\n icon: ,\n },\n {\n id: \"engineering\",\n name: \"Engineering\",\n description: \"Pro plan · 8 members\",\n group: \"Team workspaces\",\n icon: ,\n },\n {\n id: \"personal\",\n name: \"Personal\",\n description: \"Free plan · Just you\",\n group: \"Personal workspaces\",\n icon: ,\n },\n];\n\nexport function SelectorWorkspacePreview() {\n const [options, setOptions] = useState(WORKSPACES);\n const [workspace, setWorkspace] = useState(\"studio\");\n\n function createWorkspace() {\n const number = options.length - WORKSPACES.length + 1;\n const id = `new-workspace-${number}`;\n setOptions([\n ...options,\n {\n id,\n name: `New workspace ${number}`,\n description: \"Free plan · Just you\",\n group: \"Team workspaces\",\n icon: ,\n },\n ]);\n setWorkspace(id);\n }\n\n return (\n
\n
\n

Your work, in one place

\n

\n Switch between team and personal workspaces.\n

\n
\n \n

\n Current workspace: {options.find((option) => option.id === workspace)?.name}.\n

\n

\n Create workspace adds a new workspace and switches to it immediately.\n New workspaces live in this demo until the page is refreshed.\n

\n
\n );\n}\n\nfunction TemplateThumbnail({ variant }: { variant: \"dashboard\" | \"editorial\" | \"board\" | \"portfolio\" }) {\n return (\n
\n {variant === \"dashboard\" ? (\n <>\n
\n
\n {[0, 1, 2, 3].map((item) =>
)}\n
\n
\n
\n
\n {[0, 1, 2].map((item) =>
)}\n
\n
\n {[30, 55, 40, 75, 60, 90, 70].map((height) =>
)}\n
\n
\n \n ) : variant === \"editorial\" ? (\n
\n
\n
\n
\n
\n
\n
\n {[0, 1, 2, 3, 4].map((item) =>
)}\n
\n
\n
\n ) : variant === \"board\" ? (\n
\n
\n
\n {[2, 3, 1].map((count) => (\n
\n
\n {[\"first\", \"second\", \"third\"].slice(0, count).map((card) =>
)}\n
\n ))}\n
\n
\n ) : (\n
\n
\n
\n
\n
\n
\n )}\n
\n );\n}\n\nconst RESOURCES: SelectorOption[] = [\n { id: \"dashboard\", name: \"Dashboard\", description: \"Metrics at a glance\", metadata: \"12 blocks\", preview: , keywords: [\"analytics\", \"charts\"] },\n { id: \"editorial\", name: \"Editorial\", description: \"Stories worth reading\", metadata: \"8 blocks\", preview: , keywords: [\"blog\", \"writing\"] },\n { id: \"board\", name: \"Project board\", description: \"A little more organized\", metadata: \"6 blocks\", preview: , keywords: [\"kanban\", \"tasks\"] },\n { id: \"portfolio\", name: \"Portfolio\", description: \"Make your work the focus\", metadata: \"10 blocks\", preview: , keywords: [\"gallery\", \"personal\"] },\n];\n\nexport function SelectorResourcesPreview() {\n const [resource, setResource] = useState(\"dashboard\");\n\n return (\n
\n
\n

Start with a template

\n

\n Browse the previews or search for a layout that fits your next project.\n

\n
\n \n

\n Selected template: {RESOURCES.find((option) => option.id === resource)?.name}.\n

\n
\n );\n}\n" } ] }