{"slug":"date-picker","name":"Date Picker","description":"Month-grid calendar with a selection pill that glides between days, directional month slides, single, range, week or multiple-day selection across one or several side-by-side months, ISO week numbers, per-day labels, min/max and per-day disabling, full keyboard grid navigation, a date field, a two-month range field with presets, a booking calendar with nightly prices, time and date-time wheels and a month picker. Locale-aware, reduced-motion safe.","category":"motion","source_url":"https://karaui.kamisama-v0.my.id/r/date-picker/raw","detail_url":"https://karaui.kamisama-v0.my.id/r/date-picker","raw_url":"https://karaui.kamisama-v0.my.id/r/date-picker/raw","page_url":"https://karaui.kamisama-v0.my.id/components/motion/date-picker","markdown_url":"https://karaui.kamisama-v0.my.id/components/motion/date-picker.md","published_at":"2026-10-14","updated_at":"2026-10-14","dependencies":["clsx","lucide-react","motion","react","react-dom","tailwind-merge"],"internal":["@/components/motion/calendar","@/components/motion/date-picker","@/components/motion/popover-morph","@/components/motion/popover-position","@/lib/ease","@/lib/utils"],"files":[{"path":"components/motion/date-picker.tsx","type":"component","content":"\"use client\";\n// karaui.kamisama-v0.my.id/components/motion/date-picker\n\nimport { CalendarDays } from \"lucide-react\";\nimport { useMemo, useState } from \"react\";\nimport { Calendar } from \"@/components/motion/calendar\";\nimport {\n MorphPopover,\n MorphPopoverContent,\n MorphPopoverTrigger,\n} from \"@/components/motion/popover-morph\";\nimport { cn } from \"@/lib/utils\";\n\nconst MEDIUM_DATE: Intl.DateTimeFormatOptions = { dateStyle: \"medium\" };\n\nexport interface DatePickerProps {\n value?: Date | null;\n defaultValue?: Date | null;\n onValueChange?: (date: Date) => void;\n placeholder?: string;\n /** Intl options for the trigger label. Default: medium date. */\n formatOptions?: Intl.DateTimeFormatOptions;\n /** Default \"en-US\". */\n locale?: string;\n minDate?: Date;\n maxDate?: Date;\n isDateDisabled?: (date: Date) => boolean;\n weekStartsOn?: 0 | 1 | 2 | 3 | 4 | 5 | 6;\n align?: \"start\" | \"end\";\n disabled?: boolean;\n className?: string;\n \"aria-label\"?: string;\n}\n\n/**\n * Date field whose calendar morphs open from the trigger corner and closes\n * as soon as a day is picked. Controlled or uncontrolled.\n */\nexport function DatePicker({\n value: controlledValue,\n defaultValue = null,\n onValueChange,\n placeholder = \"Pick a date\",\n formatOptions = MEDIUM_DATE,\n locale = \"en-US\",\n minDate,\n maxDate,\n isDateDisabled,\n weekStartsOn,\n align = \"start\",\n disabled,\n className,\n \"aria-label\": ariaLabel = \"Choose date\",\n}: DatePickerProps) {\n const [open, setOpen] = useState(false);\n const [internalValue, setInternalValue] = useState(\n defaultValue,\n );\n const value =\n controlledValue !== undefined ? controlledValue : internalValue;\n\n const label = useMemo(\n () =>\n value\n ? new Intl.DateTimeFormat(locale, formatOptions).format(value)\n : null,\n [value, locale, formatOptions],\n );\n\n return (\n \n \n \n \n \n {label ?? placeholder}\n \n \n \n\n \n {\n if (controlledValue === undefined) setInternalValue(d);\n onValueChange?.(d);\n setOpen(false);\n }}\n locale={locale}\n minDate={minDate}\n maxDate={maxDate}\n isDateDisabled={isDateDisabled}\n weekStartsOn={weekStartsOn}\n className=\"border-0 bg-transparent\"\n />\n \n \n );\n}\n"},{"path":"components/motion/calendar.tsx","type":"util","content":"\"use client\";\n\nimport { ChevronLeft, ChevronRight } from \"lucide-react\";\nimport { AnimatePresence, motion, useReducedMotion } from \"motion/react\";\nimport {\n type KeyboardEvent,\n useCallback,\n useEffect,\n useId,\n useMemo,\n useRef,\n useState,\n} from \"react\";\nimport { EASE_OUT, SPRING_LAYOUT, SPRING_PRESS } from \"@/lib/ease\";\nimport { cn } from \"@/lib/utils\";\n\nexport type DateRange = { from: Date; to?: Date };\n/** A whole week row: `from` is its first day, `to` its seventh. */\nexport type WeekRange = { from: Date; to: Date };\n\n/** Per-day extras from `getDayMeta`. */\nexport type CalendarDayMeta = {\n /** Short text under the day number (a price, a count). Cells grow taller\n * when any day has meta; the label is also read after the date. */\n label?: string;\n /** \"accent\" tints the label (deals, highlights); \"muted\" fades it. */\n tone?: \"muted\" | \"accent\";\n /** Blocks the day and strikes it through, like `isDateDisabled`. */\n disabled?: boolean;\n};\n\ntype CalendarBaseProps = {\n /** Earliest selectable day (inclusive). */\n minDate?: Date;\n /** Latest selectable day (inclusive). */\n maxDate?: Date;\n /** Extra per-day rule, e.g. weekends or booked dates. */\n isDateDisabled?: (date: Date) => boolean;\n /** 0 = Sunday … 6 = Saturday. Default 0. */\n weekStartsOn?: 0 | 1 | 2 | 3 | 4 | 5 | 6;\n /** BCP 47 locale for month, weekday and day labels. Default \"en-US\" — a\n * fixed default keeps server and client output identical for hydration. */\n locale?: string;\n /** Controlled visible month (any day inside it). */\n month?: Date;\n /** Uncontrolled initial visible month. Default: the selection or today. */\n defaultMonth?: Date;\n onMonthChange?: (month: Date) => void;\n /** Months shown side by side (stacked below `sm`). Default 1. With more\n * than one, days outside each month are left blank so none repeats. */\n numberOfMonths?: number;\n /** Adds an ISO 8601 week-number column (\"Wk\") before each row. */\n showWeekNumber?: boolean;\n /** Per-day label, tone and blocking, e.g. nightly prices or booked days.\n * Passing it switches the grid to taller cells that fit the label. */\n getDayMeta?: (date: Date) => CalendarDayMeta | null | undefined;\n className?: string;\n \"aria-label\"?: string;\n};\n\nexport type CalendarSingleProps = CalendarBaseProps & {\n mode?: \"single\";\n value?: Date | null;\n defaultValue?: Date | null;\n onValueChange?: (date: Date) => void;\n};\n\nexport type CalendarRangeProps = CalendarBaseProps & {\n mode: \"range\";\n value?: DateRange | null;\n defaultValue?: DateRange | null;\n onValueChange?: (range: DateRange) => void;\n /** Fewest nights (days between start and end) a finished range may span.\n * While the end is being chosen, days too close are blocked. */\n minNights?: number;\n /** Most nights a finished range may span; farther days are blocked. */\n maxNights?: number;\n};\n\nexport type CalendarWeekProps = CalendarBaseProps & {\n mode: \"week\";\n value?: WeekRange | null;\n defaultValue?: WeekRange | null;\n /** Called with the picked day's whole row, honouring `weekStartsOn`. */\n onValueChange?: (week: WeekRange) => void;\n};\n\nexport type CalendarMultipleProps = CalendarBaseProps & {\n mode: \"multiple\";\n value?: Date[] | null;\n defaultValue?: Date[] | null;\n /** Called with the selection sorted by date. */\n onValueChange?: (dates: Date[]) => void;\n /** Most days that can be picked; further picks are ignored. */\n max?: number;\n};\n\nexport type CalendarProps =\n | CalendarSingleProps\n | CalendarRangeProps\n | CalendarWeekProps\n | CalendarMultipleProps;\n\n// ── date helpers (local time, day precision) ──────────────────────────────\n\nconst startOfDay = (d: Date) =>\n new Date(d.getFullYear(), d.getMonth(), d.getDate());\nconst startOfMonth = (d: Date) => new Date(d.getFullYear(), d.getMonth(), 1);\nconst addDays = (d: Date, n: number) =>\n new Date(d.getFullYear(), d.getMonth(), d.getDate() + n);\n/** Adds months, clamping the day so Jan 31 + 1 month lands on Feb 28/29. */\nfunction addMonths(d: Date, n: number) {\n const target = new Date(d.getFullYear(), d.getMonth() + n, 1);\n const lastDay = new Date(\n target.getFullYear(),\n target.getMonth() + 1,\n 0,\n ).getDate();\n target.setDate(Math.min(d.getDate(), lastDay));\n return target;\n}\nconst sameDay = (a?: Date | null, b?: Date | null) =>\n !!a &&\n !!b &&\n a.getFullYear() === b.getFullYear() &&\n a.getMonth() === b.getMonth() &&\n a.getDate() === b.getDate();\nconst sameMonth = (a: Date, b: Date) =>\n a.getFullYear() === b.getFullYear() && a.getMonth() === b.getMonth();\nconst dayKey = (d: Date) =>\n `${d.getFullYear()}-${String(d.getMonth() + 1).padStart(2, \"0\")}-${String(d.getDate()).padStart(2, \"0\")}`;\nconst monthKey = (d: Date) =>\n `${d.getFullYear()}-${String(d.getMonth() + 1).padStart(2, \"0\")}`;\n/** Whole days from `a` to `b`; rounding absorbs DST hour shifts. */\nconst daysBetween = (a: Date, b: Date) =>\n Math.round((startOfDay(b).getTime() - startOfDay(a).getTime()) / 86_400_000);\n/** ISO 8601 week number: weeks start Monday, week 1 holds Jan 4. */\nfunction isoWeek(d: Date) {\n const thursday = addDays(d, 3 - ((d.getDay() + 6) % 7));\n const jan4 = new Date(thursday.getFullYear(), 0, 4);\n const firstThursday = addDays(jan4, 3 - ((jan4.getDay() + 6) % 7));\n return 1 + Math.round(daysBetween(firstThursday, thursday) / 7);\n}\n\n/** Always 6 weeks, so the panel never changes height between months. */\nfunction buildWeeks(month: Date, weekStartsOn: number) {\n const first = startOfMonth(month);\n const offset = (first.getDay() - weekStartsOn + 7) % 7;\n const start = addDays(first, -offset);\n return Array.from({ length: 6 }, (_, w) =>\n Array.from({ length: 7 }, (_, d) => addDays(start, w * 7 + d)),\n );\n}\n\n// Month swap is a short directional slide; the exit is quicker than the entry.\nconst MONTH_ENTER = { duration: 0.26, ease: EASE_OUT } as const;\nconst MONTH_EXIT = { duration: 0.16, ease: EASE_OUT } as const;\n\n/**\n * Month-grid calendar for single dates, ranges, whole weeks or several\n * separate days, one or more months wide. The selected day is a pill that\n * glides between days on a shared-layout spring; a picked week is one pill\n * across its row; months slide in from the direction you travel. Optional ISO\n * week numbers, per-day labels (`getDayMeta`) and night limits for ranges.\n * Full keyboard grid navigation (arrows, Home/End, PageUp/PageDown,\n * Shift+Page for years). Controlled or uncontrolled for both the selection\n * and the visible month; reduced-motion safe.\n */\nexport function Calendar(props: CalendarProps) {\n const {\n minDate,\n maxDate,\n isDateDisabled,\n weekStartsOn = 0,\n locale = \"en-US\",\n month: controlledMonth,\n defaultMonth,\n onMonthChange,\n numberOfMonths = 1,\n showWeekNumber = false,\n getDayMeta,\n className,\n \"aria-label\": ariaLabel,\n } = props;\n const isRange = props.mode === \"range\";\n const isWeek = props.mode === \"week\";\n const isMultiple = props.mode === \"multiple\";\n const count = Math.max(1, Math.floor(numberOfMonths));\n const minNights = isRange ? ((props as CalendarRangeProps).minNights ?? 0) : 0;\n const maxNights = isRange ? (props as CalendarRangeProps).maxNights : undefined;\n // Taller cells only when there is something to put under the number.\n const tall = !!getDayMeta;\n\n const uid = useId();\n const reduce = useReducedMotion();\n\n // ── selection ──\n const [internalValue, setInternalValue] = useState<\n Date | DateRange | WeekRange | Date[] | null\n >(props.defaultValue ?? null);\n const valueControlled = props.value !== undefined;\n const value = valueControlled ? (props.value ?? null) : internalValue;\n const single =\n isRange || isWeek || isMultiple ? null : (value as Date | null);\n const range = isRange ? (value as DateRange | null) : null;\n const week = isWeek ? (value as WeekRange | null) : null;\n const picked = isMultiple ? ((value as Date[] | null) ?? []) : [];\n const isPicked = (d: Date) => picked.some((p) => sameDay(p, d));\n\n // ── visible months ──\n const anchor = single ?? range?.from ?? week?.from ?? picked[0] ?? null;\n const [internalMonth, setInternalMonth] = useState(() =>\n startOfMonth(defaultMonth ?? anchor ?? new Date()),\n );\n const month = controlledMonth\n ? startOfMonth(controlledMonth)\n : internalMonth;\n const [direction, setDirection] = useState(1);\n const lastMonth = addMonths(month, count - 1);\n const inWindow = (d: Date) => {\n const m = startOfMonth(d);\n return m >= month && m <= lastMonth;\n };\n\n const setMonth = useCallback(\n (next: Date) => {\n const m = startOfMonth(next);\n if (sameMonth(m, month)) return;\n setDirection(m > month ? 1 : -1);\n if (!controlledMonth) setInternalMonth(m);\n onMonthChange?.(m);\n },\n [month, controlledMonth, onMonthChange],\n );\n\n // \"Today\" is read after mount: the server's clock and timezone can disagree\n // with the viewer's, and a mismatched marker would break hydration.\n const [today, setToday] = useState(null);\n useEffect(() => setToday(startOfDay(new Date())), []);\n\n // ── roving focus ──\n const [focused, setFocused] = useState(() =>\n startOfDay(anchor ?? defaultMonth ?? new Date()),\n );\n const gridRef = useRef(null);\n const shouldFocus = useRef(false);\n // Range hover preview: the band follows the pointer until the end is picked.\n // In week mode it is the row under the pointer or keyboard focus.\n const [hovered, setHovered] = useState(null);\n\n // Keep the tab stop inside the visible months when they change by buttons.\n const focusInMonth = inWindow(focused)\n ? focused\n : anchor && inWindow(anchor)\n ? anchor\n : month;\n\n useEffect(() => {\n if (!shouldFocus.current) return;\n shouldFocus.current = false;\n gridRef.current\n ?.querySelector(\n `[data-month=\"${monthKey(focusInMonth)}\"] [data-date=\"${dayKey(focusInMonth)}\"]`,\n )\n ?.focus();\n }, [focusInMonth]);\n\n const isDisabled = useCallback(\n (d: Date) =>\n (minDate && d < startOfDay(minDate)) ||\n (maxDate && d > startOfDay(maxDate)) ||\n !!isDateDisabled?.(d) ||\n !!getDayMeta?.(d)?.disabled,\n [minDate, maxDate, isDateDisabled, getDayMeta],\n );\n\n // While a range end is being chosen, days that would make it too short or\n // too long are blocked (earlier days stay open: they restart the range).\n const choosingEnd = !!range && !range.to;\n const nightsAllowed = (n: number) =>\n n >= minNights && (maxNights === undefined || n <= maxNights);\n const blockedByNights = (d: Date) =>\n choosingEnd &&\n !!range &&\n d > range.from &&\n !nightsAllowed(daysBetween(range.from, d));\n\n const weekStart = (d: Date) =>\n addDays(d, -((d.getDay() - weekStartsOn + 7) % 7));\n\n const select = (d: Date) => {\n if (isDisabled(d) || blockedByNights(d)) return;\n if (!inWindow(d)) setMonth(d);\n setFocused(d);\n\n if (isWeek) {\n const from = weekStart(d);\n const next: WeekRange = { from, to: addDays(from, 6) };\n if (!valueControlled) setInternalValue(next);\n (props as CalendarWeekProps).onValueChange?.(next);\n return;\n }\n\n if (isMultiple) {\n const max = (props as CalendarMultipleProps).max;\n const next = isPicked(d)\n ? picked.filter((p) => !sameDay(p, d))\n : max !== undefined && picked.length >= max\n ? null\n : [...picked, d].sort((a, b) => a.getTime() - b.getTime());\n if (!next) return;\n if (!valueControlled) setInternalValue(next);\n (props as CalendarMultipleProps).onValueChange?.(next);\n return;\n }\n if (!isRange) {\n if (!valueControlled) setInternalValue(d);\n (props as CalendarSingleProps).onValueChange?.(d);\n return;\n }\n // First click starts a range; a later day closes it; an earlier day, the\n // start again when it would be too short, or a click on a finished range\n // starts over.\n const next: DateRange =\n range &&\n !range.to &&\n d >= range.from &&\n nightsAllowed(daysBetween(range.from, d))\n ? { from: range.from, to: d }\n : { from: d };\n if (!valueControlled) setInternalValue(next);\n (props as CalendarRangeProps).onValueChange?.(next);\n };\n\n const onGridKeyDown = (e: KeyboardEvent) => {\n const base = focusInMonth;\n let next: Date | null = null;\n switch (e.key) {\n case \"ArrowLeft\":\n next = addDays(base, -1);\n break;\n case \"ArrowRight\":\n next = addDays(base, 1);\n break;\n case \"ArrowUp\":\n next = addDays(base, -7);\n break;\n case \"ArrowDown\":\n next = addDays(base, 7);\n break;\n case \"Home\":\n next = addDays(base, -((base.getDay() - weekStartsOn + 7) % 7));\n break;\n case \"End\":\n next = addDays(base, 6 - ((base.getDay() - weekStartsOn + 7) % 7));\n break;\n case \"PageUp\":\n next = addMonths(base, e.shiftKey ? -12 : -1);\n break;\n case \"PageDown\":\n next = addMonths(base, e.shiftKey ? 12 : 1);\n break;\n default:\n return;\n }\n e.preventDefault();\n shouldFocus.current = true;\n setFocused(next);\n // Scroll the window only when focus leaves it, by as little as needed.\n if (!inWindow(next))\n setMonth(next < month ? next : addMonths(startOfMonth(next), 1 - count));\n };\n\n // ── labels ──\n const monthFormat = useMemo(\n () => new Intl.DateTimeFormat(locale, { month: \"long\", year: \"numeric\" }),\n [locale],\n );\n const weekdays = useMemo(() => {\n const short = new Intl.DateTimeFormat(locale, { weekday: \"short\" });\n const long = new Intl.DateTimeFormat(locale, { weekday: \"long\" });\n // 2023-01-01 was a Sunday.\n return Array.from({ length: 7 }, (_, i) => {\n const d = new Date(2023, 0, 1 + ((i + weekStartsOn) % 7));\n return { short: short.format(d).slice(0, 2), long: long.format(d) };\n });\n }, [locale, weekStartsOn]);\n const dayLabel = useMemo(\n () =>\n new Intl.DateTimeFormat(locale, {\n weekday: \"long\",\n day: \"numeric\",\n month: \"long\",\n year: \"numeric\",\n }),\n [locale],\n );\n\n const prevDisabled =\n !!minDate && startOfMonth(minDate) >= month;\n const nextDisabled =\n !!maxDate && startOfMonth(maxDate) <= lastMonth;\n\n // Range band end: the picked end, or the hovered day while choosing one.\n // A day that can't close the range doesn't stretch the band to it.\n const bandEnd =\n range &&\n !range.to &&\n hovered &&\n hovered > range.from &&\n !isDisabled(hovered) &&\n !blockedByNights(hovered)\n ? hovered\n : range?.to;\n // Week mode: the row being previewed (pointer or keyboard focus).\n const previewWeek = isWeek && hovered ? weekStart(hovered) : null;\n\n const navButton =\n \"inline-flex size-8 items-center justify-center rounded-lg text-muted-foreground outline-none transition-colors hover:bg-muted hover:text-foreground focus-visible:ring-2 focus-visible:ring-ring disabled:pointer-events-none disabled:opacity-40\";\n\n const months = Array.from({ length: count }, (_, i) => addMonths(month, i));\n // Weekday index of the column, so connecting bands stop at the row ends.\n const column = (d: Date) => (d.getDay() - weekStartsOn + 7) % 7;\n const cellSize = tall ? \"h-12 w-10\" : \"size-9\";\n\n return (\n \n setHovered(null)}\n className=\"flex flex-col gap-x-6 gap-y-4 sm:flex-row\"\n >\n {months.map((m, i) => {\n const mk = monthKey(m);\n const weeks = buildWeeks(m, weekStartsOn);\n const labelId = `${uid}-label-${i}`;\n return (\n \n
\n {i === 0 ? (\n setMonth(addMonths(month, -1))}\n className={navButton}\n >\n \n \n ) : (\n \n )}\n \n {monthFormat.format(m)}\n \n {i === count - 1 ? (\n setMonth(addMonths(month, 1))}\n className={navButton}\n >\n \n \n ) : (\n \n )}\n
\n\n
\n \n ({\n opacity: 0,\n x: reduce ? 0 : dir * 28,\n filter: reduce ? \"blur(0px)\" : \"blur(4px)\",\n }),\n center: {\n opacity: 1,\n x: 0,\n filter: \"blur(0px)\",\n transition: MONTH_ENTER,\n },\n exit: (dir: number) => ({\n opacity: 0,\n x: reduce ? 0 : dir * -28,\n filter: reduce ? \"blur(0px)\" : \"blur(4px)\",\n transition: MONTH_EXIT,\n }),\n }}\n initial=\"enter\"\n animate=\"center\"\n exit=\"exit\"\n className=\"border-collapse\"\n >\n \n \n {showWeekNumber && (\n \n Wk\n \n )}\n {weekdays.map((w) => (\n \n {w.short}\n \n ))}\n \n \n \n {weeks.map((row) => {\n // Days this row actually draws: side-by-side months\n // leave the other month's days blank.\n const shown =\n count > 1 ? row.filter((d) => sameMonth(d, m)) : row;\n const weekSelected =\n !!week && sameDay(row[0], weekStart(week.from));\n const weekPreview =\n !weekSelected && sameDay(row[0], previewWeek);\n // ISO weeks run Monday–Sunday; the row's Thursday\n // decides which one a differently started row is.\n const thursday =\n row.find((d) => d.getDay() === 4) ?? row[0];\n return (\n \n {showWeekNumber && (\n \n {shown.length > 0 ? isoWeek(thursday) : null}\n \n )}\n {row.map((d) => {\n const outside = !sameMonth(d, m);\n // Side-by-side months would show these days twice.\n if (outside && count > 1)\n return (\n \n \n \n );\n const meta = getDayMeta?.(d) ?? null;\n const disabled = isDisabled(d);\n const nightsBlocked =\n !disabled && blockedByNights(d);\n const isToday = sameDay(d, today);\n const isFrom = sameDay(d, range?.from);\n const isTo = sameDay(d, bandEnd);\n const inBand =\n !!range?.from &&\n !!bandEnd &&\n d > range.from &&\n d < bandEnd;\n const chosen = isMultiple && isPicked(d);\n const inWeek =\n !!week &&\n d >= startOfDay(week.from) &&\n d <= startOfDay(week.to);\n const selected = isRange\n ? isFrom || (isTo && !!range?.to)\n : isWeek\n ? inWeek\n : isMultiple\n ? chosen\n : sameDay(d, single);\n const endpoint = isFrom || isTo;\n // Picked neighbours in the same row merge into one\n // pill, so a run of days reads as a block.\n const joinPrev =\n chosen &&\n column(d) > 0 &&\n sameMonth(addDays(d, -1), m) &&\n isPicked(addDays(d, -1));\n const joinNext =\n chosen &&\n column(d) < 6 &&\n sameMonth(addDays(d, 1), m) &&\n isPicked(addDays(d, 1));\n // The week pill lives in the row's first drawn\n // cell and spans every drawn day after it.\n const weekPill =\n isWeek &&\n (weekSelected || weekPreview) &&\n sameDay(d, shown[0]);\n\n return (\n \n {(inBand ||\n (endpoint &&\n bandEnd &&\n !sameDay(range?.from, bandEnd))) && (\n \n )}\n {weekPill && (\n \n )}\n select(d)}\n onFocus={() => {\n setFocused(d);\n if (isWeek) setHovered(d);\n }}\n onBlur={() => isWeek && setHovered(null)}\n onPointerEnter={() =>\n (isRange || isWeek) && setHovered(d)\n }\n className={cn(\n \"relative isolate flex items-center justify-center rounded-lg text-sm tabular-nums outline-none transition-colors focus-visible:ring-2 focus-visible:ring-ring\",\n cellSize,\n tall && \"flex-col gap-0.5\",\n outside\n ? \"text-muted-foreground/50\"\n : \"text-foreground\",\n !selected &&\n !disabled &&\n !nightsBlocked &&\n !isWeek &&\n \"hover:bg-muted\",\n selected && \"text-primary-foreground\",\n selected &&\n outside &&\n \"text-primary-foreground/60\",\n isTo && !range?.to && \"text-foreground\",\n nightsBlocked &&\n \"cursor-not-allowed text-muted-foreground/40\",\n disabled &&\n \"cursor-not-allowed text-muted-foreground/40 line-through\",\n )}\n >\n {selected &&\n !isWeek &&\n (isRange || isMultiple ? (\n \n ) : (\n \n ))}\n {isTo && !range?.to && (\n \n )}\n {tall ? (\n \n {d.getDate()}\n \n ) : (\n d.getDate()\n )}\n {tall && (\n \n {meta?.label}\n \n )}\n {isToday && (\n \n )}\n \n \n );\n })}\n \n );\n })}\n \n \n \n
\n \n );\n })}\n \n \n );\n}\n"},{"path":"components/motion/popover-morph.tsx","type":"util","content":"\"use client\";\n\nimport { AnimatePresence, motion, useReducedMotion } 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 if (!isValidElement(children)) return children;\n\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 }).ref;\n\n return cloneElement(child, {\n id: ctx.triggerId,\n ref: mergeRefs(childRef, ctx.registerTrigger),\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\"} ${align === \"end\" ? \"right\" : \"left\"}`;\n\n// A clip that hides everything but the corner nearest the trigger, so the\n// panel appears to grow out of it. inset(top right bottom left).\nfunction clipHidden(side: Side, align: Align, radius: number) {\n const top = side === \"bottom\" ? \"0%\" : \"92%\";\n const bottom = side === \"bottom\" ? \"92%\" : \"0%\";\n const right = align === \"end\" ? \"0%\" : \"92%\";\n const left = align === \"end\" ? \"92%\" : \"0%\";\n return `inset(${top} ${right} ${bottom} ${left} round ${radius}px)`;\n}\nconst clipShown = (radius: number) => `inset(0% 0% 0% 0% round ${radius}px)`;\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 className?: string;\n}\n\nexport function MorphPopoverContent({\n children,\n side = \"bottom\",\n align = \"end\",\n sideOffset = 8,\n radius = 16,\n className,\n}: MorphPopoverContentProps) {\n const ctx = useMorphContext(\"MorphPopoverContent\");\n const reduce = useReducedMotion() ?? false;\n const [portalReady, setPortalReady] = useState(false);\n const layout = usePopoverPortalPosition(\n ctx.triggerRef,\n ctx.contentRef,\n portalReady && ctx.open,\n );\n\n useEffect(() => setPortalReady(true), []);\n const left = layout\n ? align === \"end\"\n ? layout.trigger.left + layout.trigger.width - layout.content.width\n : layout.trigger.left\n : 0;\n const top = layout\n ? side === \"bottom\"\n ? layout.trigger.top + layout.trigger.height + sideOffset\n : 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: { opacity: 0, scale: 0.96, transition: SPRING_PANEL },\n show: { opacity: 1, scale: 1, transition: SPRING_PANEL },\n };\n const clip = reduce\n ? undefined\n : {\n hidden: {\n clipPath: clipHidden(side, align, radius),\n transition: MORPH_CLIP_TRANSITION,\n },\n show: {\n clipPath: clipShown(radius),\n transition: MORPH_CLIP_TRANSITION,\n },\n };\n\n // Keep the server and first client render identical, then mount the portal.\n if (!portalReady) return null;\n\n return createPortal(\n \n {ctx.open ? (\n \n \n {children}\n \n \n ) : null}\n ,\n document.body,\n );\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":"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":"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/motion/date-picker.preview.tsx","type":"preview","content":"\"use client\";\n\nimport { useState } from \"react\";\nimport { DatePicker } from \"@/components/motion/date-picker\";\n\nexport function DatePickerPreview() {\n const [date, setDate] = useState(null);\n\n return (\n
\n Due date\n \n
\n );\n}\n"}]}