4f:I[707087,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/04j_o97cgxn2x.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/3j06ow7w40nxu.js","/_next/static/immutable/chunks/31nn7jwsjvqii.js","/_next/static/immutable/chunks/43_s7jweyypoh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1lo-zn37dolb5.js","/_next/static/immutable/chunks/1v8k6yxw1rg0u.js"],"RegistryDependencies"] 50:I[314491,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/04j_o97cgxn2x.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/3j06ow7w40nxu.js","/_next/static/immutable/chunks/31nn7jwsjvqii.js","/_next/static/immutable/chunks/43_s7jweyypoh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1lo-zn37dolb5.js","/_next/static/immutable/chunks/1v8k6yxw1rg0u.js"],"FilesView"] 51:T2e01,"use client"; // beui.dev/components/blocks/notification-stack import { ArrowUpRight, BellOff } from "lucide-react"; import { motion, type Transition, useReducedMotion } from "motion/react"; import { type FocusEvent, type KeyboardEvent, type PointerEvent, type ReactNode, useCallback, useRef, useState, } from "react"; import { ActionSwapText } from "@/components/motion/action-swap"; import { EASE_OUT, SPRING_LAYOUT } from "@/lib/ease"; import { useDismiss } from "@/lib/hooks/use-dismiss"; import { useHoverGesture } from "@/lib/hooks/use-hover-gesture"; import { useTapGesture } from "@/lib/hooks/use-tap-gesture"; import { cn } from "@/lib/utils"; export type NotificationStackItem = { id: string; title: ReactNode; description?: ReactNode; trailing?: ReactNode; }; export type NotificationStackClassNames = { stack?: string; card?: string; content?: string; title?: string; description?: string; trailing?: string; footer?: string; count?: string; }; export interface NotificationStackProps { items: NotificationStackItem[]; expanded?: boolean; defaultExpanded?: boolean; onExpandedChange?: (expanded: boolean) => void; onViewAll?: () => void; maxVisible?: number; collapsedLabel?: string; expandedLabel?: string; emptyLabel?: string; className?: string; classNames?: NotificationStackClassNames; } const STACK_PEEK = 8; const STACK_INSET = 12; function useControllableExpanded({ expanded, defaultExpanded, onExpandedChange, }: { expanded?: boolean; defaultExpanded: boolean; onExpandedChange?: (expanded: boolean) => void; }) { const [internalExpanded, setInternalExpanded] = useState(defaultExpanded); const isControlled = expanded !== undefined; const value = expanded ?? internalExpanded; const setValue = useCallback( (next: boolean) => { if (!isControlled) setInternalExpanded(next); onExpandedChange?.(next); }, [isControlled, onExpandedChange], ); return [value, setValue] as const; } function NotificationCardContent({ item, classNames, }: { item: NotificationStackItem; classNames?: NotificationStackClassNames; }) { return ( {item.title} {item.trailing ? ( {item.trailing} ) : null} {item.description ? ( {item.description} ) : null} ); } export function NotificationStack({ items, expanded, defaultExpanded = false, onExpandedChange, onViewAll, maxVisible = 3, collapsedLabel = "Notifications", expandedLabel = "View all", emptyLabel = "All caught up", className, classNames, }: NotificationStackProps) { const reduce = useReducedMotion(); const hasFocus = useRef(false); const rootRef = useRef(null); const hover = useHoverGesture(); // What the last gesture on the stack was, and whether it was already // expanded when that gesture started. A click reports neither. const tap = useTapGesture(); const [isExpanded, setIsExpanded] = useControllableExpanded({ expanded, defaultExpanded, onExpandedChange, }); // Set by the tap that expands the stack, and the reason the outside-tap // dismisser exists at all — a hovering pointer has its own way out. const [tapExpanded, setTapExpanded] = useState(false); const collapse = useCallback(() => { setTapExpanded(false); setIsExpanded(false); }, [setIsExpanded]); // A pointer leaving the stack is what collapses it, and a finger never // leaves: without this the stack stays open for good once tapped, and when // `onViewAll` is set the next tap follows the link instead of closing. The // tap that lands somewhere else stands in for the pointer leaving, and it is // consumed rather than passed through — the expanded stack covers the page, // so the tap that dismisses it is aimed at nothing else. useDismiss(tapExpanded && isExpanded, collapse, rootRef, { behavior: "consume", }); const visibleItems = items.slice(0, Math.max(1, maxVisible)); const primaryItem = visibleItems[0]; const transition: Transition = reduce ? { duration: 0 } : SPRING_LAYOUT; const cardTransition: Transition = reduce ? { duration: 0 } : { duration: 0.32, ease: EASE_OUT }; const backgroundTransition: Transition = reduce ? { duration: 0 } : { duration: 0.26, ease: EASE_OUT }; if (!primaryItem) { return (

); } const handleBlur = (event: FocusEvent) => { if (event.currentTarget.contains(event.relatedTarget)) return; hasFocus.current = false; collapse(); }; const handleKeyDown = (event: KeyboardEvent) => { // A key press is the start of a keyboard activation, never part of a tap: // whatever a taken-away gesture left behind must not be read as one. tap.drop(); if (event.key !== "Escape") return; event.preventDefault(); collapse(); // Focus stays where the keyboard put it. Blurring here collapsed the stack // *and* threw the user back to the top of the document. }; const handleClick = () => { const gesture = tap.take(); // Read from where the gesture started, not from now: a browser that // focuses the stack on contact expands it mid-tap, and the first tap would // then follow `onViewAll` instead of opening the list it was meant to. const wasExpanded = gesture ? gesture.state : isExpanded; if (!wasExpanded) { setIsExpanded(true); if (gesture && gesture.pointerType !== "mouse") setTapExpanded(true); return; } if (onViewAll) { onViewAll(); return; } collapse(); }; return ( ) => { if (hover.enter(event)) setIsExpanded(true); }} onPointerLeave={(event: PointerEvent) => { if (hover.leave(event) && !hasFocus.current) collapse(); }} onPointerDown={(event: PointerEvent) => { tap.start(event, isExpanded); }} // The platform can take the gesture away mid-press — a scroll, a system // swipe — and no click follows it. onPointerCancel={tap.drop} onFocus={() => { hasFocus.current = true; setIsExpanded(true); }} onBlur={handleBlur} onKeyDown={handleKeyDown} onClick={handleClick} className={cn( "relative z-10 block w-full max-w-[22rem] cursor-pointer rounded-3xl text-left text-foreground outline-none", "focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 focus-visible:ring-offset-background", className, )} > {/* This invisible first card gives the button its compact intrinsic footprint. */} {visibleItems.map((item, index) => { const isPrimary = index === 0; return ( ); })} {items.length} {isExpanded ? ( {expandedLabel} ) : ( collapsedLabel )} ); } 52:T2935,"use client"; import { AnimatePresence, motion, useReducedMotion, type HTMLMotionProps, type Variants } from "motion/react"; import { useState } from "react"; import type { ReactNode } from "react"; import { EASE_OUT, SPRING_PRESS, SPRING_SWAP } from "@/lib/ease"; import { cn } from "@/lib/utils"; export type ActionSwapItem = { id: string; label: ReactNode; icon?: ReactNode; ariaLabel?: string; }; export type ActionSwapButtonVariant = "primary" | "secondary" | "outline" | "ghost"; export type ActionSwapButtonSize = "sm" | "md" | "lg" | "icon"; export type ActionSwapAnimation = "blur" | "roll" | "cascade"; /** Animations with a single-element variant set (cascade animates per letter). */ type CoreAnimation = "blur" | "roll"; export interface ActionSwapButtonProps extends Omit< HTMLMotionProps<"button">, "children" | "onChange" > { items: ActionSwapItem[]; value?: string; defaultValue?: string; onValueChange?: (value: string, item: ActionSwapItem) => void; variant?: ActionSwapButtonVariant; size?: ActionSwapButtonSize; animation?: ActionSwapAnimation; iconOnly?: boolean; cycle?: boolean; } export interface ActionSwapTextProps { value: string; children: ReactNode; animation?: ActionSwapAnimation; className?: string; } export interface ActionSwapIconProps { value: string; children: ReactNode; animation?: ActionSwapAnimation; className?: string; } const BLUR_TRANSITION = { duration: 0.2, ease: "easeInOut" } as const; const ROLL_TRANSITION = SPRING_SWAP; const ROLL_EXIT_TRANSITION = { duration: 0.14, ease: EASE_OUT } as const; const SWAP_BLUR = "blur(8px)"; const ROLL_BLUR = "blur(3px)"; // Cascade rolls the label one letter at a time, left to right. The leaving // and landing strings overlap as independent layers (no shared cells), so // proportional glyph widths never jitter. Exits cascade at half the enter // stagger so the tail of the old label lingers briefly. const CASCADE_STAGGER = 0.025; const CASCADE_LETTER_VARIANTS: Variants = { initial: { opacity: 0, y: "105%", filter: ROLL_BLUR }, animate: (delay: number = 0) => ({ opacity: 1, y: "0%", filter: "blur(0px)", transition: { ...SPRING_SWAP, delay }, }), exit: (delay: number = 0) => ({ opacity: 0, y: "-105%", filter: ROLL_BLUR, transition: { duration: 0.16, ease: EASE_OUT, delay: delay * 0.5 }, }), }; const TEXT_VARIANTS: Record = { blur: { initial: { opacity: 0, scale: 0.94, filter: SWAP_BLUR }, animate: { opacity: 1, scale: 1, filter: "blur(0px)", transition: BLUR_TRANSITION, }, exit: { opacity: 0, scale: 0.94, filter: SWAP_BLUR, transition: BLUR_TRANSITION, }, }, roll: { initial: { opacity: 0, y: "90%", filter: ROLL_BLUR }, animate: { opacity: 1, y: "0%", filter: "blur(0px)", transition: ROLL_TRANSITION, }, exit: { opacity: 0, y: "-90%", filter: ROLL_BLUR, transition: ROLL_EXIT_TRANSITION, }, }, }; const ICON_VARIANTS: Record = { blur: { initial: { opacity: 0, scale: 0.25, filter: SWAP_BLUR }, animate: { opacity: 1, scale: 1, filter: "blur(0px)", transition: BLUR_TRANSITION, }, exit: { opacity: 0, scale: 0.25, filter: SWAP_BLUR, transition: BLUR_TRANSITION, }, }, roll: { initial: { opacity: 0, y: 12, filter: ROLL_BLUR }, animate: { opacity: 1, y: 0, filter: "blur(0px)", transition: ROLL_TRANSITION, }, exit: { opacity: 0, y: -12, filter: ROLL_BLUR, transition: ROLL_EXIT_TRANSITION, }, }, }; const VARIANT_CLASS: Record = { primary: "bg-primary text-primary-foreground hover:bg-primary/90", secondary: "border border-border bg-card text-foreground hover:border-border", outline: "border border-border bg-transparent text-foreground hover:bg-muted/60", ghost: "text-muted-foreground hover:bg-muted/60 hover:text-foreground", }; const SIZE_CLASS: Record = { sm: "h-8 gap-1.5 rounded-full px-3 text-xs", md: "h-10 gap-2 rounded-full px-4 text-sm", lg: "h-12 gap-2.5 rounded-full px-5 text-base", icon: "h-10 w-10 rounded-full", }; export function ActionSwapText({ value, children, animation = "blur", className, }: ActionSwapTextProps) { const reduce = useReducedMotion(); // Cascade needs a plain string to split into letters; non-string content // and reduced motion fall back to the closest single-element animation. const label = typeof children === "string" ? children : null; const cascade = animation === "cascade" && label !== null && !reduce; const coreAnimation: CoreAnimation = animation === "cascade" ? "roll" : animation; return ( {cascade ? label.split("").map((char, index) => ( {char} )) : children} {cascade ? ( <> {/* Letters are decorative fragments; readers get the whole label. */} {label} {label.split("").map((char, i) => ( {char} ))} ) : ( {children} )} ); } export function ActionSwapIcon({ value, children, animation = "blur", className, }: ActionSwapIconProps) { const reduce = useReducedMotion(); // Icons are single elements — cascade maps to its closest motion, roll. const coreAnimation: CoreAnimation = animation === "cascade" ? "roll" : animation; return ( {children} ); } export function ActionSwapButton({ items, value, defaultValue, onValueChange, variant = "secondary", size = "md", animation = "blur", iconOnly = size === "icon", cycle = true, className, disabled, onClick, ...rest }: ActionSwapButtonProps) { const reduce = useReducedMotion(); const [internalValue, setInternalValue] = useState(defaultValue ?? items[0]?.id); const currentValue = value ?? internalValue; const activeIndex = Math.max(0, items.findIndex((item) => item.id === currentValue)); const activeItem = items[activeIndex] ?? items[0]; const hasIcon = items.some((item) => item.icon); const nextItem = cycle && items.length > 0 ? items[(activeIndex + 1) % items.length] : undefined; if (!activeItem) return null; const accessibleLabel = activeItem.ariaLabel ?? (iconOnly && typeof activeItem.label === "string" ? activeItem.label : undefined); return ( { onClick?.(event); if (event.defaultPrevented || disabled || !cycle || !nextItem) return; if (value === undefined) setInternalValue(nextItem.id); onValueChange?.(nextItem.id, nextItem); }} {...rest} > {hasIcon ? ( {activeItem.icon ?? null} ) : null} {!iconOnly ? ( {activeItem.label} ) : null} ); } 53:T686,// Shared motion tokens. Easing curves mirror the CSS custom properties in // globals.css; springs are the canonical physics used across components. // Strong custom variants — defaults like `ease-in`/`ease-out` feel weak. export const EASE_OUT = [0.16, 1, 0.3, 1] as const; export const EASE_IN_OUT = [0.77, 0, 0.175, 1] as const; export const EASE_DRAWER = [0.32, 0.72, 0, 1] as const; /** CSS string form of EASE_OUT for inline style transitions. */ export const EASE_OUT_CSS = "cubic-bezier(0.16, 1, 0.3, 1)"; /** Press feedback on buttons and other tappable surfaces. */ export const SPRING_PRESS = { type: "spring", stiffness: 500, damping: 30, mass: 0.6, } as const; /** Content swaps — label/icon slots trading places inside a control. */ export const SPRING_SWAP = { type: "spring", stiffness: 460, damping: 30, mass: 0.55, } as const; /** Overlay panel entrances — modals and sheets summoned by pointer. */ export const SPRING_PANEL = { type: "spring", stiffness: 420, damping: 40, mass: 0.5, } as const; /** Shared-layout glides — pills, indicators and panels morphing between positions. */ export const SPRING_LAYOUT = { type: "spring", stiffness: 360, damping: 32, mass: 0.6, } as const; /** Cursor-follow physics for decorative mouse tracking (magnetic, tilt, dock). */ export const SPRING_MOUSE = { stiffness: 200, damping: 15, mass: 0.3, } as const; /** Dragged handles and fills (sliders) — critically damped `useSpring` config, * so the value follows the pointer butterily and never rebounds off an end. */ export const SPRING_GLIDE = { stiffness: 700, damping: 50, mass: 0.5, } as const; 54:T1279,"use client"; import { type RefObject, useEffect } from "react"; /** * What the dismissing gesture does to the control it landed on. * * `"pass-through"` is the platform norm (native popover light-dismiss): the * tap closes the overlay *and* activates whatever was under it. Use * `"consume"` where the open overlay sits over or beside controls that would * be costly to trigger by accident — the dismissal then swallows the * activation too, so the gesture only closes. */ export type DismissBehavior = "pass-through" | "consume"; export interface DismissOptions { /** Default `"pass-through"`. */ behavior?: DismissBehavior; /** Dismiss on Escape as well. Default true. */ escape?: boolean; /** Return true for an outside target that should *not* dismiss. Must be stable. */ ignore?: (target: Element) => boolean; } /** * What every currently open dismiss scope counts as inside itself. A consumed * dismissal reads this to tell a stray gesture from one that belongs to an * overlay in front of it: overlays have no shared z-order to consult, but the * one the gesture landed in has said as much by registering it. */ const openScopes = new Set<(target: Element) => boolean>(); function claimedByAnotherScope( self: (target: Element) => boolean, target: Element, ) { for (const scope of openScopes) { if (scope !== self && scope(target)) return true; } return false; } // preventDefault on pointerdown does not suppress the click that follows, so // consuming a gesture means swallowing that click itself. The swallower // deliberately outlives the effect that installed it — the dismissal it // belongs to has already unmounted or re-rendered by the time the click lands. // It releases on that click, or on the next gesture if the pointer is dragged // away and no click ever arrives, so it can never eat a later one. A keydown // releases it too: a gesture that ends with neither a click nor a cancel would // otherwise leave it armed, and the click Enter synthesizes on some focused // control is not the one this dismissal was owed. function consumeActivation(source: Event) { const swallow = (event: MouseEvent) => { event.preventDefault(); event.stopPropagation(); release(); }; const restart = (event: Event) => { if (event !== source) release(); }; const release = () => { window.removeEventListener("click", swallow, true); window.removeEventListener("pointerdown", restart, true); window.removeEventListener("pointercancel", restart, true); window.removeEventListener("keydown", release, true); }; window.addEventListener("click", swallow, true); window.addEventListener("pointerdown", restart, true); window.addEventListener("pointercancel", restart, true); window.addEventListener("keydown", release, true); } /** * Close an open overlay on Escape or a pointerdown outside `ref`. Pass `null` * for `ref` when what counts as inside isn't one element, and say so with * `ignore` instead. * * The pointerdown listener is capture-phase: a bubble-phase one is blinded by * any handler in between that stops propagation, and an overlay cannot know * what it is layered over. `onDismiss` and `ignore` must be stable (wrap in * useCallback) so the listeners aren't re-bound every render while open. */ export function useDismiss( open: boolean, onDismiss: () => void, ref: RefObject | null, { behavior = "pass-through", escape: dismissOnEscape = true, ignore, }: DismissOptions = {}, ) { useEffect(() => { if (!open) return; const inside = (target: Element) => Boolean(ref?.current?.contains(target)) || Boolean(ignore?.(target)); const onKey = (event: KeyboardEvent) => { if (dismissOnEscape && event.key === "Escape") onDismiss(); }; const onPointer = (event: PointerEvent) => { const target = event.target as Element | null; if (!target || inside(target)) return; // Outside this overlay, but inside one that is also open: the gesture is // that overlay's to answer, and swallowing its click from behind would // cost the user the control they actually aimed at. if (behavior === "consume" && !claimedByAnotherScope(inside, target)) { consumeActivation(event); } onDismiss(); }; openScopes.add(inside); window.addEventListener("keydown", onKey); window.addEventListener("pointerdown", onPointer, true); return () => { openScopes.delete(inside); window.removeEventListener("keydown", onKey); window.removeEventListener("pointerdown", onPointer, true); }; }, [open, onDismiss, ref, behavior, dismissOnEscape, ignore]); } 55:T8a7,"use client"; import { useMemo, useRef } from "react"; import { isHoveringPointer } from "@/lib/touch"; interface BoundaryEvent { pointerId: number; pointerType: string; buttons: number; } export interface HoverGesture { /** True when this enter starts a hover: the pointer arrived resting, not pressing. */ enter: (event: BoundaryEvent) => boolean; /** True when this leave ends a hover that entered as one. */ leave: (event: BoundaryEvent) => boolean; } /** * Pairs a surface's enter with its leave, per pointer. * * `isHoveringPointer` answers the question the *enter* asks — is this pointer * resting on the surface or pressing it — and both boundary cases go wrong if * the leave is asked the same question again: * * - A pen with no hover never rests. It arrives in contact, taps, and the spec * then requires its boundary events after `pointerup`, so the leave carries * `buttons: 0` and reads as a mouse gliding off. Hover teardown then undid * the tap — the panel the pen had just opened closed under it. * - A mouse pressed on the surface and dragged off leaves with `buttons: 1`. * Skipping teardown there strands the surface open: the release happens * outside, and no second leave ever comes. * * So the state a hover holds is released by the pointer that took it, whatever * the buttons say at the boundary, and a pointer that arrived in contact never * took it in the first place. Contact is the exception tracked here, not * hover: a leave from a pointer this surface never saw enter — mounted under * the cursor, say — still counts, since the alternative is state with no way * out. */ export function useHoverGesture(): HoverGesture { const contact = useRef(new Set()); return useMemo( () => ({ enter: (event) => { if (isHoveringPointer(event)) { contact.current.delete(event.pointerId); return true; } contact.current.add(event.pointerId); return false; }, leave: (event) => { const arrivedInContact = contact.current.delete(event.pointerId); return !arrivedInContact && event.pointerType !== "touch"; }, }), [], ); } 56:T98e,"use client"; import { useMemo, useRef } from "react"; /** What a pointerdown recorded, read back by the click that ends its gesture. */ export interface TapRecord { /** Which input started the gesture. */ pointerType: string; /** What the surface was showing when it started. */ state: S; } export interface TapGesture { /** Record the gesture a pointerdown starts, with the state it starts in. */ start: (event: { pointerType: string }, state: S) => void; /** Read the record and clear it. `null` when no pointer is behind this click. */ take: () => TapRecord | null; /** Drop the record: this gesture will never spend it on a click. */ drop: () => void; } /** * The pointer gesture behind a click, recorded where the click cannot report * it. A `click` carries no `pointerType` in the engines that matter, so the * `pointerdown` before it is the only thing that says which input activated * the control — and whether one did at all, since keyboard activation * synthesizes a click with no pointer behind it. * * State goes in with the record because a click reports that no better: a * browser that focuses a control on contact can open the very panel the tap * was meant to open, and reading "is it open" at click time then undoes it. * What the gesture started against is what it acts on. * * The record is spent by one click and dropped by everything else, because a * record that outlives its gesture is worse than none: * * - A scroll or an OS gesture takes the touch away — `pointercancel`, no click * ever — and the finger would sit in the record until some later click. * - That later click is often `Enter` on a keyboard, which arrives with no * pointerdown of its own and would inherit the abandoned finger. A keydown * is the start of a keyboard activation and never part of a tap, so it drops * the record too. * * Both ends have to be wired by the surface: `drop` on `onPointerCancel` and * on `onKeyDown`. */ export function useTapGesture(): TapGesture { const record = useRef | null>(null); return useMemo( () => ({ start: (event, state) => { record.current = { pointerType: event.pointerType, state }; }, take: () => { const spent = record.current; record.current = null; return spent; }, drop: () => { record.current = null; }, }), [], ); } 57:T1668,// Shared touch primitives. iOS and iPadOS run their own gestures on top of the // page — the long-press selection callout and the selection it drags in with // it — and they win: once the platform claims a touch it cancels ours // mid-gesture, so a press-and-hold or a drag simply dies. Surfaces that own // their gesture have to opt out. // // What the two classes below cover, precisely: // - `-webkit-touch-callout: none` stops iOS's long-press callout. WebKit-only: // it is not a property other engines have, so it is inert everywhere else. // - `user-select: none` stops the long-press selection on every engine, // Android included, and stops a drag from painting a selection under the // cursor. It is inherited, so it reaches every descendant — which is why the // two classes differ only in whether they apply it unconditionally. // What neither covers: // - Chrome for Android's long-press menu on a link or an image. No CSS // suppresses it; a gesture surface that wraps one needs its own // `onContextMenu` with `preventDefault()`. // - The native drag of an `` or `` descendant. `-webkit-user-drag` is // not inherited and plain divs and buttons are not drag sources, so setting // it on the surface does nothing — the child itself needs `draggable={false}`. /** * Classes for a surface that *is* the control: a thumb, a drum, a stage, a * handle, a hold button. Selection is suppressed on every input, because a * drag that highlights the control's own label is wrong on a mouse too. * Compose with `touch-none` when the surface also owns the scroll axis — leave * it off when the page must still scroll from there. */ export const TOUCH_GESTURE_CLASS = "select-none [-webkit-touch-callout:none]"; /** * The same opt-out for a gesture surface that wraps content the consumer owns: * a scroller, a context-menu trigger, a sheet header, a list row. Selection is * suppressed only where the platform runs its own press gestures — a coarse * pointer — so a mouse user can still select and copy that content. If the * gesture itself would paint a selection under the cursor, add `select-none` * for the duration of the gesture rather than reaching for * `TOUCH_GESTURE_CLASS`. * * `pointer: coarse` describes the *primary* pointer and nothing else, so a * hybrid machine reads it wrong in both directions: a tablet with a mouse * plugged in keeps touch as primary and loses mouse selection, and a laptop * with a touchscreen keeps the mouse as primary and leaves selection live * under a finger. No media query can answer per interaction — the query is * about the device, and the question is about the gesture in progress. The * default stays here because it is right on the machines that are one thing or * the other, and losing a selection is a nuisance; where the miss costs a * *gesture* instead, the surface pairs it with `holdSelection` on the press. */ export const TOUCH_GESTURE_CONTENT_CLASS = "[-webkit-touch-callout:none] pointer-coarse:select-none"; /** * Suppress selection on `element` for as long as a gesture is running on it, * whatever the primary pointer of the machine happens to be. Returns the * release. Inline, so it wins over the class above and is gone again the * moment the gesture ends. * * For the press gestures a native selection would otherwise steal — a * long-press that opens a menu. Elsewhere prefer the classes: a surface that * takes selection away for the whole session is a surface whose text nobody * can copy. */ export function holdSelection(element: HTMLElement) { element.style.setProperty("user-select", "none"); element.style.setProperty("-webkit-user-select", "none"); return () => { element.style.removeProperty("user-select"); element.style.removeProperty("-webkit-user-select"); }; } /** * Pointer capture, best effort. WebKit throws `NotFoundError` when the pointer * is already gone by the time the handler runs — routine on iOS, where the * system can claim the touch first — and an uncaught throw takes the rest of * the handler, the gesture included, down with it. Touch pointers carry * implicit capture anyway, so losing it is never fatal. */ export function capturePointer(element: Element, pointerId: number) { try { element.setPointerCapture(pointerId); } catch { // Pointer is no longer active — implicit capture still applies on touch. } } /** Release a capture taken with `capturePointer`, ignoring a stale pointer. */ export function releasePointer(element: Element, pointerId: number) { try { if (element.hasPointerCapture(pointerId)) { element.releasePointerCapture(pointerId); } } catch { // Capture was already dropped by the browser. } } /** * Whether this event came from a pointer that is *hovering*: not a touch, and * not currently pressed. Which input the user is holding right now is not * something a device capability can answer — a touchscreen laptop hovers and * taps, and iPadOS reports a fine hovering pointer for a finger — so both * paths stay live and each handler branches on the event it was given. * * A pen resting on the glass is making contact, not hovering: `buttons` is the * tell, and it sends a pen tap down the same route a finger takes. * * This answers what an *enter* asks. 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