{"$schema":"https://ui.shadcn.com/schema/registry-item.json","name":"heat-calendar","type":"registry:component","title":"Heat Calendar","description":"Composable activity calendar with Grid, Legend, and Tooltip parts, controlled range selection, and UTC calendar dates. Supply weekly intensities to visualize activity and total a selected span.","author":"Saurabh ","dependencies":["clsx","motion","tailwind-merge"],"registryDependencies":[],"files":[{"path":"components/charts/heat-calendar.tsx","type":"registry:component","target":"@components/charts/heat-calendar.tsx","content":"\"use client\";\n// beui.dev/charts/heat-calendar\n\nimport { cn } from \"@/lib/utils\";\nimport { HeatCalendarContext, useHeatCalendarModel } from \"./heat-calendar/context\";\nimport { HeatCalendarGrid } from \"./heat-calendar/grid\";\nimport { HeatCalendarLegend } from \"./heat-calendar/legend\";\nimport { HeatCalendarTooltip } from \"./heat-calendar/tooltip\";\nimport type { HeatCalendarProps } from \"./heat-calendar/types\";\n\n/** Compose Grid, Tooltip and Legend, or omit children for the complete chart. */\nexport function HeatCalendar({ children, className, ...props }: HeatCalendarProps) {\n const model = useHeatCalendarModel(props);\n return (\n \n
\n {children === undefined ? (\n <>\n \n \n \n \n \n ) : (\n children\n )}\n
\n \n );\n}\n\nexport { useHeatCalendar } from \"./heat-calendar/context\";\nexport { HeatCalendarGrid } from \"./heat-calendar/grid\";\nexport { HeatCalendarLegend } from \"./heat-calendar/legend\";\nexport { HeatCalendarTooltip } from \"./heat-calendar/tooltip\";\nexport type { HeatCalendarCell, HeatCalendarProps, HeatCalendarSelection } from \"./heat-calendar/types\";\n"},{"path":"components/charts/heat-calendar/context.ts","type":"registry:component","target":"@components/charts/heat-calendar/context.ts","content":"\"use client\";\n\nimport { useReducedMotion } from \"motion/react\";\nimport { createContext, useContext, useEffect, useId, useMemo, useRef, useState } from \"react\";\nimport { useHoverCapable } from \"@/lib/hooks/use-hover-capable\";\nimport type { HeatCalendarCell, HeatCalendarProps, HeatCalendarSelection } from \"./types\";\nimport { addDays, CELL, EMPTY, fmtMonth, GAP, MONTH_ROW, mondayOf, PITCH, STEPS, startOfDay } from \"./utils\";\n\n/**\n * Weeks of activity as a single-hue grid with month labels, so\n * magnitude reads as the strength of one color and the eye needs no legend\n * to find a date. Cells spring in on a diagonal wave. Hovering one lifts it\n * and its neighbours in a small ripple and glides a tooltip with its date and\n * exact count; clicking pins the cell so touch and keyboard get the same\n * readout; from there the grid dims and hovering previews the span from that\n * cell to the pointer with its total, a second click locks it and a third\n * clears it; hovering a legend step filters\n * the grid to that level. Hover lifts are gated to pointer devices, and\n * reduced motion keeps the fades only.\n */\nexport function useHeatCalendarModel({\n unit = \"commits\",\n weeks = 16,\n maxCount = 14,\n values,\n endDate,\n color = \"var(--accent)\",\n selection: controlledSelection,\n defaultSelection = null,\n onSelectionChange,\n}: HeatCalendarProps) {\n const reduce = useReducedMotion();\n const canHover = useHoverCapable();\n const [storedHover, setHover] = useState(null);\n const [internalSelection, setInternalSelection] = useState(defaultSelection);\n const requestedSelection = controlledSelection === undefined ? internalSelection : controlledSelection;\n const setSelection = (next: HeatCalendarSelection | null) => {\n if (controlledSelection === undefined) setInternalSelection(next);\n onSelectionChange?.(next);\n };\n const gridRef = useRef(null);\n const tooltipId = useId();\n const [step, setStep] = useState(null);\n // the entrance wave owns the cells until it has landed; the ripple takes over after\n const [settled, setSettled] = useState(false);\n useEffect(() => {\n const t = setTimeout(() => setSettled(true), reduce ? 0 : (weeks + 7) * 18 + 500);\n return () => clearTimeout(t);\n }, [weeks, reduce]);\n\n // \"today\" is read after mount: the server and a viewer on another calendar\n // day must produce the same HTML, so the grid renders first and its dates\n // fill in on the client. An explicit `endDate` is deterministic and skips this.\n const [today, setToday] = useState(null);\n useEffect(() => setToday(startOfDay(new Date())), []);\n const end = useMemo(() => (endDate ? startOfDay(endDate) : today), [endDate, today]);\n const start = useMemo(() => (end ? addDays(mondayOf(end), -(weeks - 1) * 7) : null), [end, weeks]);\n\n const level = (w: number, d: number) => Math.max(0, Math.min(1, values?.[w]?.[d] ?? 0));\n const bucket = (v: number) => Math.min(4, Math.floor(v * 5));\n const fill = (b: number) => (b === 0 ? EMPTY : `color-mix(in srgb, ${color} ${STEPS[b]}%, transparent)`);\n const count = (v: number) => Math.round(v * maxCount);\n const dateOf = (w: number, d: number) => (start ? addDays(start, w * 7 + d) : null);\n const future = (w: number, d: number) => {\n const date = dateOf(w, d);\n return end !== null && date !== null && date > end;\n };\n\n const validCell = (cell: HeatCalendarCell) =>\n Number.isInteger(cell.w) &&\n Number.isInteger(cell.d) &&\n cell.w >= 0 &&\n cell.w < weeks &&\n cell.d >= 0 &&\n cell.d < 7 &&\n !future(cell.w, cell.d);\n const selection =\n requestedSelection &&\n validCell(requestedSelection.start) &&\n (!requestedSelection.end || validCell(requestedSelection.end))\n ? requestedSelection\n : null;\n if (requestedSelection && !selection && controlledSelection === undefined) setInternalSelection(null);\n const pinned = selection?.start ?? null;\n const spanEnd = selection?.end ?? null;\n const hover = storedHover && validCell(storedHover) ? storedHover : null;\n if (storedHover && !hover) setHover(null);\n\n // one label per month, at its first column; the leading label yields if the\n // next month starts within two columns, so two labels never overlap\n const cols = useMemo(() => {\n const list = Array.from({ length: weeks }, (_, w) => {\n const date = start ? addDays(start, w * 7) : null;\n const m = date ? date.getUTCMonth() : -1;\n const fresh =\n start !== null && date !== null && (w === 0 || addDays(start, (w - 1) * 7).getUTCMonth() !== m);\n return { id: `w${w}`, w, m, label: fresh && date ? fmtMonth.format(date) : null };\n });\n if (list[1]?.label || list[2]?.label) list[0].label = null;\n return list;\n }, [start, weeks]);\n\n // one click anchors a span and dims everything else; hovering then previews\n // the run from the anchor to the pointer and totals it live, and a second\n // click locks it so the number stays on screen while the pointer moves on\n const idx = (c: HeatCalendarCell) => c.w * 7 + c.d;\n const clear = () => {\n setSelection(null);\n };\n const spanTo = spanEnd ?? (pinned ? (hover ?? pinned) : null);\n const span =\n pinned && spanTo\n ? { lo: Math.min(idx(pinned), idx(spanTo)), hi: Math.max(idx(pinned), idx(spanTo)) }\n : null;\n let spanTotal = 0;\n if (span) {\n for (let i = span.lo; i <= span.hi; i++) {\n if (future(Math.floor(i / 7), i % 7)) break;\n spanTotal += count(level(Math.floor(i / 7), i % 7));\n }\n }\n const select = (cell: HeatCalendarCell) => {\n // a locked span clears on the next click anywhere, so leaving it is one press\n if (spanEnd) {\n clear();\n } else if (pinned && idx(pinned) === idx(cell)) {\n setSelection(null);\n } else if (pinned) {\n setSelection({ start: pinned, end: cell });\n } else {\n setSelection({ start: cell });\n }\n };\n /** the cell the grid reacts to: lift, ripple and label highlight follow the pointer */\n const hot = hover ?? spanEnd ?? pinned;\n /** the cell the tooltip hangs from: a locked span keeps it on its end */\n const tip = spanEnd ?? hover ?? pinned;\n const tipDate = tip ? dateOf(tip.w, tip.d) : null;\n const hotMonth = hot ? (dateOf(hot.w, hot.d)?.getUTCMonth() ?? null) : null;\n const tipX = tip ? tip.w * PITCH + CELL / 2 : 0;\n const tipY = tip ? MONTH_ROW + GAP + tip.d * PITCH : 0;\n const tooltip =\n tip && tipDate\n ? {\n date: tipDate,\n count: count(level(tip.w, tip.d)),\n total: spanTotal,\n startDate: start && span ? addDays(start, span.lo) : tipDate,\n endDate: start && span ? addDays(start, span.hi) : tipDate,\n days: span ? span.hi - span.lo + 1 : 1,\n }\n : null;\n\n return {\n unit,\n weeks,\n reduce,\n canHover,\n hover,\n pinned,\n spanEnd,\n step,\n setStep,\n settled,\n start,\n end,\n level,\n bucket,\n fill,\n count,\n dateOf,\n future,\n cols,\n clear,\n span,\n spanTotal,\n select,\n hot,\n tip,\n tipDate,\n hotMonth,\n tipX,\n tipY,\n setHover,\n gridRef,\n tooltipId,\n tooltip,\n selection,\n setSelection,\n };\n}\n\nexport const HeatCalendarContext = createContext | null>(null);\n\n/** Read the shared data and selection from any descendant of HeatCalendar. */\nexport function useHeatCalendar() {\n const context = useContext(HeatCalendarContext);\n if (!context) throw new Error(\"HeatCalendar parts must be inside HeatCalendar\");\n return context;\n}\n"},{"path":"components/charts/heat-calendar/grid.tsx","type":"registry:component","target":"@components/charts/heat-calendar/grid.tsx","content":"\"use client\";\n\nimport { AnimatePresence, motion } from \"motion/react\";\nimport type { ReactNode } from \"react\";\nimport { EASE_OUT, SPRING_PRESS } from \"@/lib/ease\";\nimport { cn } from \"@/lib/utils\";\nimport { useHeatCalendar } from \"./context\";\nimport { DAYS, fmtDay, GAP, LIFT, MONTH_ROW, PITCH } from \"./utils\";\n\nexport function HeatCalendarGrid({ children, className }: { children?: ReactNode; className?: string }) {\n const {\n weeks,\n reduce,\n canHover,\n pinned,\n step,\n settled,\n level,\n bucket,\n fill,\n count,\n dateOf,\n future,\n cols,\n clear,\n span,\n select,\n hot,\n hotMonth,\n setHover,\n gridRef,\n tooltipId,\n unit,\n } = useHeatCalendar();\n return (\n setHover(null)}\n >\n {cols.map((c) =>\n c.label ? (\n \n {c.label}\n \n ) : null,\n )}\n {cols.map(({ id, w }) =>\n DAYS.map(({ id: dayId, d }) => {\n const date = dateOf(w, d);\n if (future(w, d)) return null;\n const v = level(w, d);\n const b = bucket(v);\n const i = w * 7 + d;\n const on = hot?.w === w && hot?.d === d;\n const isEnd = span ? i === span.lo || i === span.hi : pinned?.w === w && pinned?.d === d;\n const dim = (step !== null && step !== b) || (span !== null && (i < span.lo || i > span.hi));\n // the ripple: the hovered cell rises most, the ring around it a little, two out barely\n const dist = hot ? Math.max(Math.abs(hot.w - w), Math.abs(hot.d - d)) : 9;\n const lift =\n reduce || !canHover ? 1 : dist === 0 ? LIFT[0] : canHover && dist < LIFT.length ? LIFT[dist] : 1;\n return (\n // the outer span owns the legend dim so it never fights the transforms inside\n 1 ? LIFT.length - dist : 0,\n }}\n >\n {/* the hit area is the cell plus half the gap on every side, so the grid\n has no dead space between cells and a fast pointer never falls through;\n the visual inside never takes pointer events, so a lifted neighbour\n cannot steal a click either */}\n setHover({ w, d })}\n onFocus={() => setHover({ w, d })}\n onBlur={() => setHover(null)}\n onClick={() => select({ w, d })}\n onKeyDown={(e) => {\n if (e.key === \"Escape\") clear();\n }}\n className=\"absolute -inset-0.5 block rounded-[5px] outline-none focus-visible:ring-2 focus-visible:ring-ring\"\n whileTap={reduce ? undefined : { scale: 0.9, transition: SPRING_PRESS }}\n >\n \n {/* the ring lives INSIDE the cell: inset-0 fills its box and\n borderRadius:inherit copies its corner, so it always shares the\n cell's exact size, scale (hover lift included) and roundness and\n cannot drift however the cells are restyled */}\n \n {on && !isEnd ? (\n \n ) : null}\n \n \n \n \n );\n }),\n )}\n\n {children}\n \n );\n}\n"},{"path":"components/charts/heat-calendar/legend.tsx","type":"registry:component","target":"@components/charts/heat-calendar/legend.tsx","content":"\"use client\";\n\nimport { cn } from \"@/lib/utils\";\nimport { useHeatCalendar } from \"./context\";\nimport { fmtRange, STEPS } from \"./utils\";\n\nexport function HeatCalendarLegend({ className }: { className?: string }) {\n const { start, end, step, setStep, fill, canHover, reduce } = useHeatCalendar();\n return (\n
\n \n {start && end ? `${fmtRange.format(start)} – ${fmtRange.format(end)}` : \"\\u00a0\"}\n \n {/* hovering a step keeps only cells of that level lit, so the legend doubles as a filter */}\n setStep(null)}>\n less\n {STEPS.map((s, i) => (\n {\n if (canHover) setStep(i);\n }}\n onFocus={() => setStep(i)}\n onBlur={() => setStep(null)}\n onClick={() => setStep(step === i ? null : i)}\n className=\"size-3 rounded-[3px] transition-transform duration-150\"\n style={{ background: fill(i), transform: !reduce && step === i ? \"scale(1.25)\" : undefined }}\n />\n ))}\n more\n \n
\n );\n}\n"},{"path":"components/charts/heat-calendar/tooltip.tsx","type":"registry:component","target":"@components/charts/heat-calendar/tooltip.tsx","content":"\"use client\";\nimport { type ReactNode, useMemo, useState } from \"react\";\nimport { NumberTicker } from \"@/components/motion/number-ticker\";\nimport { Tooltip } from \"@/components/motion/tooltip\";\nimport { cn } from \"@/lib/utils\";\nimport { useHeatCalendar } from \"./context\";\nimport { fmtDay, fmtRange } from \"./utils\";\n\nexport function HeatCalendarTooltip({\n children,\n className,\n}: {\n children?: ReactNode | ((data: NonNullable[\"tooltip\"]>) => ReactNode);\n className?: string;\n}) {\n const { gridRef, tooltipId, tip, tooltip, unit } = useHeatCalendar();\n const [dismissed, setDismissed] = useState(null);\n const anchorRef = useMemo(() => ({ get current() {\n return tip ? gridRef.current?.querySelector(`[data-heat-cell=\"${tip.w}-${tip.d}\"]`) ?? null : null;\n }}), [gridRef, tip]);\n return (\n { if (!open) setDismissed(tip); }}\n id={tooltipId}\n anchorRef={anchorRef}\n className={cn(\"flex flex-wrap items-center gap-1.5\", className)}\n content={tooltip &&\n (typeof children === \"function\"\n ? children(tooltip)\n : (children ?? (\n <>\n \n 1 ? tooltip.total : tooltip.count}\n duration={0.35}\n startOnView={false}\n />{\" \"}\n {unit}\n \n \n {tooltip.days > 1 && tooltip.startDate && tooltip.endDate\n ? `${fmtRange.format(tooltip.startDate)} – ${fmtRange.format(tooltip.endDate)}`\n : fmtDay.format(tooltip.date)}\n \n {tooltip.days > 1 ? {tooltip.days} days : null}\n \n )))}\n />\n );\n}\n"},{"path":"components/charts/heat-calendar/types.ts","type":"registry:component","target":"@components/charts/heat-calendar/types.ts","content":"import type { ReactNode } from \"react\";\n\nexport type HeatCalendarCell = { w: number; d: number };\n\nexport interface HeatCalendarSelection {\n start: HeatCalendarCell;\n end?: HeatCalendarCell;\n}\n\nexport interface HeatCalendarProps {\n /** Noun after every count, e.g. \"commits\", \"ships\". */\n unit?: string;\n /** Number of week columns. */\n weeks?: number;\n /** Count a cell at intensity 1 stands for; a cell reads `intensity × maxCount`. */\n maxCount?: number;\n /** `values[week][day]` intensities in 0..1, seven days per week. Missing values are zero. */\n values?: number[][];\n /** Last UTC calendar day of the grid. Defaults to today after mount; explicit dates render identically in every timezone. */\n endDate?: Date;\n /** The single hue. Any CSS color; magnitude maps to its strength, never to a second color. */\n color?: string;\n className?: string;\n children?: ReactNode;\n /** Controlled selection; null clears it. Cell coordinates are zero-based week/day (Monday first). */\n selection?: HeatCalendarSelection | null;\n defaultSelection?: HeatCalendarSelection | null;\n onSelectionChange?: (selection: HeatCalendarSelection | null) => void;\n}\n"},{"path":"lib/utils.ts","type":"registry:lib","target":"@lib/utils.ts","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/charts/heat-calendar/utils.ts","type":"registry:component","target":"@components/charts/heat-calendar/utils.ts","content":"/** Five buckets: 0 is the neutral empty cell, 1 to 4 mix the one hue in harder. */\nexport const STEPS = [0, 24, 46, 70, 94] as const;\n\nexport const EMPTY = \"color-mix(in srgb, var(--foreground) 6%, transparent)\";\n\n/** Cell size and gap; every position in the grid and the tooltip derive from these. */\nexport const CELL = 16;\n\nexport const GAP = 4;\n\nexport const PITCH = CELL + GAP;\n\nexport const MONTH_ROW = 12;\n\nexport const DAYS = Array.from({ length: 7 }, (_, d) => ({ id: `d${d}`, d }));\n\n/** How far a cell rises when it is the hovered one, its neighbour, or two away. */\nexport const LIFT = [1.3, 1.08, 1.03];\n\nexport const startOfDay = (d: Date) => {\n const x = new Date(d);\n x.setUTCHours(0, 0, 0, 0);\n return x;\n};\n\nexport const addDays = (d: Date, n: number) => {\n const x = new Date(d);\n x.setUTCDate(x.getUTCDate() + n);\n return x;\n};\n\n/** Monday on or before `d`, so every column reads Mon to Sun, top to bottom. */\nexport const mondayOf = (d: Date) => addDays(startOfDay(d), -((d.getUTCDay() + 6) % 7));\n\nexport const fmtDay = new Intl.DateTimeFormat(\"en-US\", {\n timeZone: \"UTC\",\n weekday: \"short\",\n month: \"short\",\n day: \"numeric\",\n});\n\nexport const fmtMonth = new Intl.DateTimeFormat(\"en-US\", { timeZone: \"UTC\", month: \"short\" });\n\nexport const fmtRange = new Intl.DateTimeFormat(\"en-US\", { timeZone: \"UTC\", month: \"short\", day: \"numeric\" });\n"},{"path":"lib/hooks/use-hover-capable.ts","type":"registry:hook","target":"@lib/hooks/use-hover-capable.ts","content":"\"use client\";\n\nimport { useEffect, useState } from \"react\";\n\n/**\n * Returns true only on devices that have a true hover (mouse / trackpad).\n * Touch devices fire phantom `:hover` on tap that sticks until tap-elsewhere\n * — gate hover-only effects (scale lifts, magnetic pulls) behind this.\n */\nexport function useHoverCapable() {\n const [canHover, setCanHover] = useState(false);\n\n useEffect(() => {\n if (typeof window === \"undefined\" || !window.matchMedia) return;\n const mq = window.matchMedia(\"(hover: hover) and (pointer: fine)\");\n const update = () => setCanHover(mq.matches);\n update();\n mq.addEventListener?.(\"change\", update);\n return () => mq.removeEventListener?.(\"change\", update);\n }, []);\n\n return canHover;\n}\n"},{"path":"lib/ease.ts","type":"registry:lib","target":"@lib/ease.ts","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":"components/motion/number-ticker.tsx","type":"registry:component","target":"@components/motion/number-ticker.tsx","content":"\"use client\";\n\nimport { animate, motion, useInView, useReducedMotion } from \"motion/react\";\nimport { useEffect, useMemo, useRef, useState } from \"react\";\nimport { EASE_OUT } from \"@/lib/ease\";\nimport { cn } from \"@/lib/utils\";\n\nexport interface NumberTickerProps {\n value: number;\n /** Digits to pad to (left). */\n pad?: number;\n /** Per-digit roll duration in seconds. */\n duration?: number;\n /** Stagger between digits. */\n stagger?: number;\n /** Render only after the element enters the viewport. */\n startOnView?: boolean;\n prefix?: string;\n suffix?: string;\n /** Add a small blur during digit rolls. */\n blur?: boolean;\n className?: string;\n digitClassName?: string;\n /** Insert locale group separators (commas). Server-component safe. */\n locale?: boolean;\n /** Custom formatter. Client-only — server components must use `locale` instead. */\n format?: (value: number) => string;\n}\n\nconst DIGIT_HEIGHT_EM = 1.1;\nconst DIGITS = Array.from({ length: 10 }, (_, n) => n);\n\nexport function NumberTicker({\n value,\n pad,\n duration = 0.9,\n stagger = 0.04,\n startOnView = true,\n prefix,\n suffix,\n blur = false,\n className,\n digitClassName,\n locale,\n format,\n}: NumberTickerProps) {\n const containerRef = useRef(null);\n const inView = useInView(containerRef, { once: true, amount: 0.6 });\n const [armed, setArmed] = useState(!startOnView);\n\n useEffect(() => {\n if (startOnView && inView) setArmed(true);\n }, [startOnView, inView]);\n\n const text = useMemo(() => {\n const rounded = Math.round(value);\n const formatted = format\n ? format(rounded)\n : locale\n ? rounded.toLocaleString()\n : rounded.toString();\n return pad ? formatted.padStart(pad, \"0\") : formatted;\n }, [value, pad, format, locale]);\n const glyphs = useMemo(() => {\n const chars = text.split(\"\");\n // Key by place value (position from the right): a changing digit keeps its\n // identity and rolls to the new value instead of remounting and replaying\n // from 0. Growing numbers add glyphs on the left without re-keying the\n // ones, tens, hundreds already on screen.\n return chars.map((char, i) => ({ char, id: `g-${chars.length - 1 - i}` }));\n }, [text]);\n const readableText = `${prefix ?? \"\"}${text}${suffix ?? \"\"}`;\n\n // Stagger is an entrance flourish. Once the reveal has played, value\n // changes roll every digit immediately — a per-digit delay on live updates\n // reads as lag.\n const [entered, setEntered] = useState(false);\n useEffect(() => {\n if (!armed || entered) return;\n const total = (duration + glyphs.length * stagger) * 1000;\n const t = window.setTimeout(() => setEntered(true), total);\n return () => window.clearTimeout(t);\n }, [armed, entered, duration, stagger, glyphs.length]);\n\n return (\n \n {readableText}\n \n {prefix ? {prefix} : null}\n {glyphs.map(({ char, id }, i) => {\n const isDigit = /\\d/.test(char);\n if (!isDigit) {\n return (\n \n {char}\n \n );\n }\n const digit = Number(char);\n return (\n \n );\n })}\n {suffix ? {suffix} : null}\n \n \n );\n}\n\nfunction Digit({\n digit,\n delay,\n duration,\n blur,\n className,\n}: {\n digit: number;\n delay: number;\n duration: number;\n blur: boolean;\n className?: string;\n}) {\n const reduce = useReducedMotion();\n const columnRef = useRef(null);\n\n useEffect(() => {\n if (reduce || !blur || !columnRef.current || !Number.isFinite(digit)) {\n return;\n }\n\n const node = columnRef.current;\n const controls = animate(\n node,\n { filter: [\"blur(10px)\", \"blur(0px)\"] },\n {\n duration: Math.min(duration * 0.75, 0.32),\n delay,\n ease: EASE_OUT,\n },\n );\n\n return () => {\n controls.stop();\n node.style.filter = \"blur(0px)\";\n };\n }, [blur, delay, digit, duration, reduce]);\n\n return (\n \n \n {DIGITS.map((n) => (\n \n {n}\n \n ))}\n \n \n );\n}\n"},{"path":"components/motion/tooltip.tsx","type":"registry:component","target":"@components/motion/tooltip.tsx","content":"\"use client\";\n\nimport { AnimatePresence } from \"motion/react\";\nimport {\n cloneElement,\n isValidElement,\n type PointerEvent,\n type ReactElement,\n type ReactNode,\n type RefObject,\n useCallback,\n useEffect,\n useId,\n useLayoutEffect,\n useRef,\n useState,\n} from \"react\";\nimport { createPortal } from \"react-dom\";\nimport { TooltipSurface } from \"@/components/motion/tooltip-surface\";\nimport { useDismiss } from \"@/lib/hooks/use-dismiss\";\nimport { useHoverGesture } from \"@/lib/hooks/use-hover-gesture\";\nimport { useTapGesture } from \"@/lib/hooks/use-tap-gesture\";\nimport { cn } from \"@/lib/utils\";\n\ntype Side = \"top\" | \"right\" | \"bottom\" | \"left\";\n\nexport interface TooltipProps {\n content: ReactNode;\n children?: ReactElement;\n /** Existing trigger for controlled integrations such as chart cells. */\n anchorRef?: RefObject;\n /** Point within the anchor, as fractions of its rendered width and height. */\n anchorPoint?: { x: number; y: number };\n open?: boolean;\n onOpenChange?: (open: boolean) => void;\n id?: string;\n side?: Side;\n /** Delay before showing (ms). Default 120. */\n delay?: number;\n className?: string;\n /** Classes for the outer wrapper span. Use to fix baseline / fill parent. */\n wrapperClassName?: string;\n}\n\n// Gap between trigger and tooltip, in px.\nconst GAP = 8;\n\n// Centering transform for the fixed-positioned anchor point, per side.\nconst anchorTransform: Record = {\n top: \"translate(-50%, -100%)\",\n bottom: \"translate(-50%, 0)\",\n left: \"translate(-100%, -50%)\",\n right: \"translate(0, -50%)\",\n};\n\nconst transformOrigin: Record = {\n top: \"center bottom\",\n bottom: \"center top\",\n left: \"right center\",\n right: \"left center\",\n};\n\n// Once any tooltip has just closed, neighbouring tooltips open without the\n// initial delay — moving along a toolbar feels instant after the first one.\nconst WARM_WINDOW_MS = 300;\nlet lastHiddenAt = 0;\n\nexport function Tooltip({\n content,\n children,\n side = \"top\",\n delay = 120,\n className,\n wrapperClassName,\n anchorRef: externalAnchorRef,\n anchorPoint,\n open: controlledOpen,\n onOpenChange,\n id: providedId,\n}: TooltipProps) {\n const [internalOpen, setInternalOpen] = useState(false);\n const open = controlledOpen ?? internalOpen;\n const setOpen = useCallback(\n (next: boolean) => {\n if (controlledOpen === undefined) setInternalOpen(next);\n onOpenChange?.(next);\n },\n [controlledOpen, onOpenChange],\n );\n const [coords, setCoords] = useState<{ top: number; left: number } | null>(null);\n const generatedId = useId();\n const id = providedId ?? generatedId;\n const timer = useRef | null>(null);\n const wrapperRef = useRef(null);\n const anchorRef = externalAnchorRef ?? wrapperRef;\n const hover = useHoverGesture();\n const surfaceRef = useRef(null);\n\n // Anchor point in viewport coords, on the edge of the trigger facing `side`.\n // Position:fixed means these viewport coords place the tooltip directly, so\n // it escapes every ancestor's stacking context and overflow.\n const place = useCallback(() => {\n const el = anchorRef.current;\n if (!el) return;\n const r = el.getBoundingClientRect();\n const cx = r.left + r.width * (anchorPoint?.x ?? 0.5);\n const cy = r.top + r.height * (anchorPoint?.y ?? 0.5);\n const point: Record = {\n top: { top: (anchorPoint ? cy : r.top) - GAP, left: cx },\n bottom: { top: (anchorPoint ? cy : r.bottom) + GAP, left: cx },\n left: { top: cy, left: (anchorPoint ? cx : r.left) - GAP },\n right: { top: cy, left: (anchorPoint ? cx : r.right) + GAP },\n };\n const next = point[side];\n const width = surfaceRef.current?.offsetWidth ?? 0;\n const height = surfaceRef.current?.offsetHeight ?? 0;\n const dx = side === \"left\" ? width : side === \"right\" ? 0 : width / 2;\n const dy = side === \"top\" ? height : side === \"bottom\" ? 0 : height / 2;\n next.left = Math.max(GAP + dx, Math.min(next.left, window.innerWidth - GAP - width + dx));\n next.top = Math.max(GAP + dy, Math.min(next.top, window.innerHeight - GAP - height + dy));\n setCoords(previous => previous?.top === next.top && previous.left === next.left ? previous : next);\n }, [side, anchorRef, anchorPoint]);\n\n const positioned = coords !== null;\n useLayoutEffect(() => {\n if (!open) return;\n place();\n const observer = new ResizeObserver(place);\n if (anchorRef.current) observer.observe(anchorRef.current);\n if (positioned && surfaceRef.current) observer.observe(surfaceRef.current);\n return () => observer.disconnect();\n }, [open, place, anchorRef, positioned]);\n\n const show = useCallback(() => {\n if (timer.current) clearTimeout(timer.current);\n const warm = Date.now() - lastHiddenAt < WARM_WINDOW_MS;\n timer.current = setTimeout(\n () => {\n place();\n setOpen(true);\n },\n warm ? 0 : delay,\n );\n }, [delay, place, setOpen]);\n\n const hide = useCallback(() => {\n if (timer.current) {\n clearTimeout(timer.current);\n timer.current = null;\n }\n if (open) lastHiddenAt = Date.now();\n setOpen(false);\n }, [open, setOpen]);\n\n // A finger never hovers, and Safari does not focus a button on tap either, so\n // the label is only reachable if the tap itself opens the tooltip. A click\n // carries no pointerType, so the pointerdown that preceded it is what says\n // whether this was a tap; keyboard activation arrives with no pointerdown at\n // all, and focus has already shown the label there.\n const tap = useTapGesture();\n\n const toggleOnTap = useCallback(() => {\n const gesture = tap.take();\n if (!gesture || gesture.pointerType === \"mouse\") return;\n if (gesture.state) {\n hide();\n return;\n }\n if (timer.current) clearTimeout(timer.current);\n place();\n setOpen(true);\n }, [hide, place, tap, setOpen]);\n\n // ...and closed again by the next tap that lands somewhere else. The label\n // covers nothing interactive, so that tap passes through to what it hit.\n useDismiss(open, hide, anchorRef);\n\n // Keep the tooltip pinned to the trigger while it's open and the page scrolls\n // or resizes (fixed coords are viewport-relative).\n useEffect(() => {\n if (!open) return;\n const onMove = () => place();\n window.addEventListener(\"scroll\", onMove, true);\n window.addEventListener(\"resize\", onMove);\n return () => {\n window.removeEventListener(\"scroll\", onMove, true);\n window.removeEventListener(\"resize\", onMove);\n };\n }, [open, place]);\n\n useEffect(\n () => () => {\n if (timer.current) clearTimeout(timer.current);\n },\n [],\n );\n\n if (!externalAnchorRef && !isValidElement(children)) return children;\n\n // The label describes the trigger, so it has to name the trigger itself.\n // Everything else the tooltip needs is read off the anchor below instead of\n // cloned on: a handler written onto the child is the child's handler as far\n // as that child can tell, and a component that owns its activation —\n // hard-wiring onClick and spreading the rest of its props over it, as\n // ThemeToggle does — then runs the tooltip's instead of its own. Composing\n // with `props.onClick` cannot save it either, because a component element's\n // props hold nothing the component does internally.\n const trigger = isValidElement(children)\n ? cloneElement(children as ReactElement>, {\n \"aria-describedby\": id,\n })\n : null;\n\n return (\n <>\n {!externalAnchorRef ? (\n // biome-ignore lint/a11y/noStaticElementInteractions: This wrapper observes bubbling trigger events without replacing the control's handlers.\n {\n if (hover.enter(event)) show();\n }}\n onPointerLeave={(event: PointerEvent) => {\n if (hover.leave(event)) hide();\n }}\n onFocus={show}\n onBlur={hide}\n onPointerDown={(event: PointerEvent) => tap.start(event, open)}\n // A gesture the platform took away sends no click, and a key press\n // starts an activation that never had a pointer behind it. Either way\n // the record has to go, or the next click reads a finger that has long\n // since lifted.\n onPointerCancel={tap.drop}\n onKeyDown={tap.drop}\n onClick={toggleOnTap}\n >\n {trigger}\n \n ) : null}\n {typeof document !== \"undefined\"\n ? createPortal(\n \n {open && coords ? (\n \n \n {content}\n \n \n ) : null}\n ,\n document.body,\n )\n : null}\n \n );\n}\n"},{"path":"components/motion/tooltip-surface.tsx","type":"registry:component","target":"@components/motion/tooltip-surface.tsx","content":"\"use client\";\n\nimport { motion, useReducedMotion, type Variants } from \"motion/react\";\nimport { useMemo, type ComponentProps, type ReactNode, type Ref } from \"react\";\nimport { EASE_OUT } from \"@/lib/ease\";\nimport { cn } from \"@/lib/utils\";\n\ntype Side = \"top\" | \"right\" | \"bottom\" | \"left\";\n\n// Offset is in the direction *away* from the trigger — content originates near\n// the trigger and rises into resting position.\nconst offsetFrom: Record = {\n top: { y: 8 },\n bottom: { y: -8 },\n left: { x: 8 },\n right: { x: -8 },\n};\n\n// Small tooltip surfaces need the lighter spawn used by the original Tooltip.\nconst TOOLTIP_SPRING = { type: \"spring\", stiffness: 380, damping: 30, mass: 0.7 } as const;\n\nfunction buildVariants(side: Side): Variants {\n const o = offsetFrom[side];\n return {\n initial: {\n opacity: 0,\n scale: 0.9,\n filter: \"blur(5px)\",\n x: o.x ?? 0,\n y: o.y ?? 0,\n },\n animate: {\n opacity: 1,\n scale: 1,\n filter: \"blur(0px)\",\n x: 0,\n y: 0,\n transition: {\n ...TOOLTIP_SPRING,\n opacity: { duration: 0.14, ease: EASE_OUT },\n filter: { duration: 0.18, ease: EASE_OUT },\n },\n },\n exit: {\n opacity: 0,\n scale: 0.94,\n filter: \"blur(3px)\",\n x: (o.x ?? 0) * 0.6,\n y: (o.y ?? 0) * 0.6,\n transition: { duration: 0.12, ease: EASE_OUT },\n },\n };\n}\n\nconst REDUCED_VARIANTS: Variants = {\n initial: { opacity: 0 },\n animate: { opacity: 1, transition: { duration: 0.14, ease: EASE_OUT } },\n exit: { opacity: 0, transition: { duration: 0.1, ease: EASE_OUT } },\n};\n\n/** The shared visual surface for trigger tooltips and chart readouts. Positioning belongs to the caller. */\nexport function TooltipSurface({\n children,\n side = \"top\",\n className,\n ref,\n ...props\n}: Omit, \"children\"> & {\n children?: ReactNode;\n side?: Side;\n ref?: Ref;\n}) {\n const reduce = useReducedMotion();\n const variants = useMemo(() => reduce ? REDUCED_VARIANTS : buildVariants(side), [reduce, side]);\n return (\n \n {children}\n \n );\n}\n"},{"path":"lib/hooks/use-dismiss.ts","type":"registry:hook","target":"@lib/hooks/use-dismiss.ts","content":"\"use client\";\n\nimport { type RefObject, useEffect } from \"react\";\n\n/**\n * What the dismissing gesture does to the control it landed on.\n *\n * `\"pass-through\"` is the platform norm (native popover light-dismiss): the\n * tap closes the overlay *and* activates whatever was under it. Use\n * `\"consume\"` where the open overlay sits over or beside controls that would\n * be costly to trigger by accident — the dismissal then swallows the\n * activation too, so the gesture only closes.\n */\nexport type DismissBehavior = \"pass-through\" | \"consume\";\n\nexport interface DismissOptions {\n /** Default `\"pass-through\"`. */\n behavior?: DismissBehavior;\n /** Dismiss on Escape as well. Default true. */\n escape?: boolean;\n /** Return true for an outside target that should *not* dismiss. Must be stable. */\n ignore?: (target: Element) => boolean;\n}\n\n/**\n * What every currently open dismiss scope counts as inside itself. A consumed\n * dismissal reads this to tell a stray gesture from one that belongs to an\n * overlay in front of it: overlays have no shared z-order to consult, but the\n * one the gesture landed in has said as much by registering it.\n */\nconst openScopes = new Set<(target: Element) => boolean>();\n\nfunction claimedByAnotherScope(\n self: (target: Element) => boolean,\n target: Element,\n) {\n for (const scope of openScopes) {\n if (scope !== self && scope(target)) return true;\n }\n return false;\n}\n\n// preventDefault on pointerdown does not suppress the click that follows, so\n// consuming a gesture means swallowing that click itself. The swallower\n// deliberately outlives the effect that installed it — the dismissal it\n// belongs to has already unmounted or re-rendered by the time the click lands.\n// It releases on that click, or on the next gesture if the pointer is dragged\n// away and no click ever arrives, so it can never eat a later one. A keydown\n// releases it too: a gesture that ends with neither a click nor a cancel would\n// otherwise leave it armed, and the click Enter synthesizes on some focused\n// control is not the one this dismissal was owed.\nfunction consumeActivation(source: Event) {\n const swallow = (event: MouseEvent) => {\n event.preventDefault();\n event.stopPropagation();\n release();\n };\n const restart = (event: Event) => {\n if (event !== source) release();\n };\n const release = () => {\n window.removeEventListener(\"click\", swallow, true);\n window.removeEventListener(\"pointerdown\", restart, true);\n window.removeEventListener(\"pointercancel\", restart, true);\n window.removeEventListener(\"keydown\", release, true);\n };\n window.addEventListener(\"click\", swallow, true);\n window.addEventListener(\"pointerdown\", restart, true);\n window.addEventListener(\"pointercancel\", restart, true);\n window.addEventListener(\"keydown\", release, true);\n}\n\n/**\n * Close an open overlay on Escape or a pointerdown outside `ref`. Pass `null`\n * for `ref` when what counts as inside isn't one element, and say so with\n * `ignore` instead.\n *\n * The pointerdown listener is capture-phase: a bubble-phase one is blinded by\n * any handler in between that stops propagation, and an overlay cannot know\n * what it is layered over. `onDismiss` and `ignore` must be stable (wrap in\n * useCallback) so the listeners aren't re-bound every render while open.\n */\nexport function useDismiss(\n open: boolean,\n onDismiss: () => void,\n ref: RefObject | null,\n {\n behavior = \"pass-through\",\n escape: dismissOnEscape = true,\n ignore,\n }: DismissOptions = {},\n) {\n useEffect(() => {\n if (!open) return;\n const inside = (target: Element) =>\n Boolean(ref?.current?.contains(target)) || Boolean(ignore?.(target));\n const onKey = (event: KeyboardEvent) => {\n if (dismissOnEscape && event.key === \"Escape\") onDismiss();\n };\n const onPointer = (event: PointerEvent) => {\n const target = event.target as Element | null;\n if (!target || inside(target)) return;\n // Outside this overlay, but inside one that is also open: the gesture is\n // that overlay's to answer, and swallowing its click from behind would\n // cost the user the control they actually aimed at.\n if (behavior === \"consume\" && !claimedByAnotherScope(inside, target)) {\n consumeActivation(event);\n }\n onDismiss();\n };\n openScopes.add(inside);\n window.addEventListener(\"keydown\", onKey);\n window.addEventListener(\"pointerdown\", onPointer, true);\n return () => {\n openScopes.delete(inside);\n window.removeEventListener(\"keydown\", onKey);\n window.removeEventListener(\"pointerdown\", onPointer, true);\n };\n }, [open, onDismiss, ref, behavior, dismissOnEscape, ignore]);\n}\n"},{"path":"lib/hooks/use-hover-gesture.ts","type":"registry:hook","target":"@lib/hooks/use-hover-gesture.ts","content":"\"use client\";\n\nimport { useMemo, useRef } from \"react\";\nimport { isHoveringPointer } from \"@/lib/touch\";\n\ninterface BoundaryEvent {\n pointerId: number;\n pointerType: string;\n buttons: number;\n}\n\nexport interface HoverGesture {\n /** True when this enter starts a hover: the pointer arrived resting, not pressing. */\n enter: (event: BoundaryEvent) => boolean;\n /** True when this leave ends a hover that entered as one. */\n leave: (event: BoundaryEvent) => boolean;\n}\n\n/**\n * Pairs a surface's enter with its leave, per pointer.\n *\n * `isHoveringPointer` answers the question the *enter* asks — is this pointer\n * resting on the surface or pressing it — and both boundary cases go wrong if\n * the leave is asked the same question again:\n *\n * - A pen with no hover never rests. It arrives in contact, taps, and the spec\n * then requires its boundary events after `pointerup`, so the leave carries\n * `buttons: 0` and reads as a mouse gliding off. Hover teardown then undid\n * the tap — the panel the pen had just opened closed under it.\n * - A mouse pressed on the surface and dragged off leaves with `buttons: 1`.\n * Skipping teardown there strands the surface open: the release happens\n * outside, and no second leave ever comes.\n *\n * So the state a hover holds is released by the pointer that took it, whatever\n * the buttons say at the boundary, and a pointer that arrived in contact never\n * took it in the first place. Contact is the exception tracked here, not\n * hover: a leave from a pointer this surface never saw enter — mounted under\n * the cursor, say — still counts, since the alternative is state with no way\n * out.\n */\nexport function useHoverGesture(): HoverGesture {\n const contact = useRef(new Set());\n\n return useMemo(\n () => ({\n enter: (event) => {\n if (isHoveringPointer(event)) {\n contact.current.delete(event.pointerId);\n return true;\n }\n contact.current.add(event.pointerId);\n return false;\n },\n leave: (event) => {\n const arrivedInContact = contact.current.delete(event.pointerId);\n return !arrivedInContact && event.pointerType !== \"touch\";\n },\n }),\n [],\n );\n}\n"},{"path":"lib/hooks/use-tap-gesture.ts","type":"registry:hook","target":"@lib/hooks/use-tap-gesture.ts","content":"\"use client\";\n\nimport { useMemo, useRef } from \"react\";\n\n/** What a pointerdown recorded, read back by the click that ends its gesture. */\nexport interface TapRecord {\n /** Which input started the gesture. */\n pointerType: string;\n /** What the surface was showing when it started. */\n state: S;\n}\n\nexport interface TapGesture {\n /** Record the gesture a pointerdown starts, with the state it starts in. */\n start: (event: { pointerType: string }, state: S) => void;\n /** Read the record and clear it. `null` when no pointer is behind this click. */\n take: () => TapRecord | null;\n /** Drop the record: this gesture will never spend it on a click. */\n drop: () => void;\n}\n\n/**\n * The pointer gesture behind a click, recorded where the click cannot report\n * it. A `click` carries no `pointerType` in the engines that matter, so the\n * `pointerdown` before it is the only thing that says which input activated\n * the control — and whether one did at all, since keyboard activation\n * synthesizes a click with no pointer behind it.\n *\n * State goes in with the record because a click reports that no better: a\n * browser that focuses a control on contact can open the very panel the tap\n * was meant to open, and reading \"is it open\" at click time then undoes it.\n * What the gesture started against is what it acts on.\n *\n * The record is spent by one click and dropped by everything else, because a\n * record that outlives its gesture is worse than none:\n *\n * - A scroll or an OS gesture takes the touch away — `pointercancel`, no click\n * ever — and the finger would sit in the record until some later click.\n * - That later click is often `Enter` on a keyboard, which arrives with no\n * pointerdown of its own and would inherit the abandoned finger. A keydown\n * is the start of a keyboard activation and never part of a tap, so it drops\n * the record too.\n *\n * Both ends have to be wired by the surface: `drop` on `onPointerCancel` and\n * on `onKeyDown`.\n */\nexport function useTapGesture(): TapGesture {\n const record = useRef | null>(null);\n\n return useMemo(\n () => ({\n start: (event, state) => {\n record.current = { pointerType: event.pointerType, state };\n },\n take: () => {\n const spent = record.current;\n record.current = null;\n return spent;\n },\n drop: () => {\n record.current = null;\n },\n }),\n [],\n );\n}\n"},{"path":"lib/touch.ts","type":"registry:lib","target":"@lib/touch.ts","content":"// Shared touch primitives. iOS and iPadOS run their own gestures on top of the\n// page — the long-press selection callout and the selection it drags in with\n// it — and they win: once the platform claims a touch it cancels ours\n// mid-gesture, so a press-and-hold or a drag simply dies. Surfaces that own\n// their gesture have to opt out.\n//\n// What the two classes below cover, precisely:\n// - `-webkit-touch-callout: none` stops iOS's long-press callout. WebKit-only:\n// it is not a property other engines have, so it is inert everywhere else.\n// - `user-select: none` stops the long-press selection on every engine,\n// Android included, and stops a drag from painting a selection under the\n// cursor. It is inherited, so it reaches every descendant — which is why the\n// two classes differ only in whether they apply it unconditionally.\n// What neither covers:\n// - Chrome for Android's long-press menu on a link or an image. No CSS\n// suppresses it; a gesture surface that wraps one needs its own\n// `onContextMenu` with `preventDefault()`.\n// - The native drag of an `` or `` descendant. `-webkit-user-drag` is\n// not inherited and plain divs and buttons are not drag sources, so setting\n// it on the surface does nothing — the child itself needs `draggable={false}`.\n\n/**\n * Classes for a surface that *is* the control: a thumb, a drum, a stage, a\n * handle, a hold button. Selection is suppressed on every input, because a\n * drag that highlights the control's own label is wrong on a mouse too.\n * Compose with `touch-none` when the surface also owns the scroll axis — leave\n * it off when the page must still scroll from there.\n */\nexport const TOUCH_GESTURE_CLASS = \"select-none [-webkit-touch-callout:none]\";\n\n/**\n * The same opt-out for a gesture surface that wraps content the consumer owns:\n * a scroller, a context-menu trigger, a sheet header, a list row. Selection is\n * suppressed only where the platform runs its own press gestures — a coarse\n * pointer — so a mouse user can still select and copy that content. If the\n * gesture itself would paint a selection under the cursor, add `select-none`\n * for the duration of the gesture rather than reaching for\n * `TOUCH_GESTURE_CLASS`.\n *\n * `pointer: coarse` describes the *primary* pointer and nothing else, so a\n * hybrid machine reads it wrong in both directions: a tablet with a mouse\n * plugged in keeps touch as primary and loses mouse selection, and a laptop\n * with a touchscreen keeps the mouse as primary and leaves selection live\n * under a finger. No media query can answer per interaction — the query is\n * about the device, and the question is about the gesture in progress. The\n * default stays here because it is right on the machines that are one thing or\n * the other, and losing a selection is a nuisance; where the miss costs a\n * *gesture* instead, the surface pairs it with `holdSelection` on the press.\n */\nexport const TOUCH_GESTURE_CONTENT_CLASS =\n \"[-webkit-touch-callout:none] pointer-coarse:select-none\";\n\n/**\n * Suppress selection on `element` for as long as a gesture is running on it,\n * whatever the primary pointer of the machine happens to be. Returns the\n * release. Inline, so it wins over the class above and is gone again the\n * moment the gesture ends.\n *\n * For the press gestures a native selection would otherwise steal — a\n * long-press that opens a menu. Elsewhere prefer the classes: a surface that\n * takes selection away for the whole session is a surface whose text nobody\n * can copy.\n */\nexport function holdSelection(element: HTMLElement) {\n element.style.setProperty(\"user-select\", \"none\");\n element.style.setProperty(\"-webkit-user-select\", \"none\");\n return () => {\n element.style.removeProperty(\"user-select\");\n element.style.removeProperty(\"-webkit-user-select\");\n };\n}\n\n/**\n * Pointer capture, best effort. WebKit throws `NotFoundError` when the pointer\n * is already gone by the time the handler runs — routine on iOS, where the\n * system can claim the touch first — and an uncaught throw takes the rest of\n * the handler, the gesture included, down with it. Touch pointers carry\n * implicit capture anyway, so losing it is never fatal.\n */\nexport function capturePointer(element: Element, pointerId: number) {\n try {\n element.setPointerCapture(pointerId);\n } catch {\n // Pointer is no longer active — implicit capture still applies on touch.\n }\n}\n\n/** Release a capture taken with `capturePointer`, ignoring a stale pointer. */\nexport function releasePointer(element: Element, pointerId: number) {\n try {\n if (element.hasPointerCapture(pointerId)) {\n element.releasePointerCapture(pointerId);\n }\n } catch {\n // Capture was already dropped by the browser.\n }\n}\n\n/**\n * Whether this event came from a pointer that is *hovering*: not a touch, and\n * not currently pressed. Which input the user is holding right now is not\n * something a device capability can answer — a touchscreen laptop hovers and\n * taps, and iPadOS reports a fine hovering pointer for a finger — so both\n * paths stay live and each handler branches on the event it was given.\n *\n * A pen resting on the glass is making contact, not hovering: `buttons` is the\n * tell, and it sends a pen tap down the same route a finger takes.\n *\n * This answers what an *enter* asks. A leave is the other half of a pair and\n * has to be read against the enter that started it — `useHoverGesture` in\n * `lib/hooks/use-hover-gesture` does that, and hover surfaces should use it\n * rather than asking this question twice.\n */\nexport const isHoveringPointer = (event: {\n pointerType: string;\n buttons: number;\n}) => event.pointerType !== \"touch\" && event.buttons === 0;\n"}]}