); } export { ButtonGroup, ButtonGroupSeparator, buttonGroupTextClass, buttonGroupVariants }; ``` ### lib/beautiful-ui/notchset/instrument.tsx ```tsx "use client"; import * as React from "react"; import { cn } from "@/lib/utils"; /* * Notchset instrument parts, shared by every member of a pack: the node (a round light that reports * state), the legend printed above a control, the plate a key presses onto, the traced check, the * five-tick scanner, and the glyph flip that lands a changed label left to right. Nodes and checks * are inline SVG (round at every DPR); the CSS lives in the Notchset foundation. Also: the one motion * policy (reduced motion or a data-motion="off" ancestor), ref composition, the portal container * and the sound attributes every Notchset root carries. */ // --------------------------------------------------------------------------------------------- // Motion, refs, portals, sound // --------------------------------------------------------------------------------------------- /** True under prefers-reduced-motion or inside a data-motion="off" scope. Checked when an effect runs. */ /** * Whether motion is off for an element, kept live: it follows the OS reduced-motion setting and any * data-motion attribute change above it, so a preference switched mid-playback stops decoration at once. */ export function useMotionOff(ref: React.RefObject) { const [off, setOff] = React.useState(false); React.useEffect(() => { const read = () => setOff(motionOff(ref.current)); const r = requestAnimationFrame(read); const mq = window.matchMedia?.("(prefers-reduced-motion: reduce)"); mq?.addEventListener?.("change", read); const mo = new MutationObserver(read); mo.observe(document.documentElement, { attributes: true, attributeFilter: ["data-motion"], subtree: true }); return () => { cancelAnimationFrame(r); mq?.removeEventListener?.("change", read); mo.disconnect(); }; }, [ref]); return off; } /** * The microphone, or a rejection after `timeoutMs` (a prompt left open, a denied permission). A stream * that arrives after the timeout is stopped at once, so a late "Allow" never leaves the mic on. */ export function requestMic(timeoutMs = 5000): Promise { if (typeof navigator === "undefined" || !navigator.mediaDevices?.getUserMedia) return Promise.reject(new Error("no mic")); const ask = navigator.mediaDevices.getUserMedia({ audio: true }); return new Promise((resolve, reject) => { let late = false; const t = setTimeout(() => { late = true; reject(new Error("timeout")); }, timeoutMs); ask.then( (stream) => { clearTimeout(t); if (late) stream.getTracks().forEach((track) => track.stop()); else resolve(stream); }, (err) => { clearTimeout(t); reject(err); }, ); }); } export function motionOff(el: Element | null | undefined) { if (typeof window === "undefined") return true; if (window.matchMedia?.("(prefers-reduced-motion: reduce)").matches) return true; return Boolean(el?.closest('[data-motion="off"]')); } function assignRef(ref: React.Ref | undefined, node: T | null): () => void { if (typeof ref === "function") { const cleanup = ref(node); return typeof cleanup === "function" ? cleanup : () => ref(null); } if (ref) (ref as React.RefObject).current = node; return () => { if (ref) (ref as React.RefObject).current = null; }; } /** Composes two refs, keeping React 19 ref cleanups. */ export function useComposedRefs(a: React.Ref | undefined, b: React.Ref | undefined): React.RefCallback { return React.useCallback( (node: T | null) => { const release = [assignRef(a, node), assignRef(b, node)]; return () => release.forEach((f) => f()); }, [a, b], ); } /** Runs ours after theirs, unless theirs called preventDefault. */ export function composeHandler(theirs: ((e: E) => void) | undefined, ours: (e: E) => void) { return (e: E) => { theirs?.(e); if (!e.defaultPrevented) ours(e); }; } /** Keeps the latest value in a ref, for callbacks read inside timers and animation frames. */ export function useLatest(value: T) { const ref = React.useRef(value); React.useLayoutEffect(() => { ref.current = value; }); return ref; } /* * Where Notchset overlays (menus, popovers, tooltips) portal to. Unset, document.body, as shadcn's * do. Provide an element to keep them inside a scoped theme: a preview, a widget, a shadow root. */ export const NotchsetPortalContext = React.createContext(null); export function useNotchsetPortal(): HTMLElement | undefined { return React.useContext(NotchsetPortalContext) ?? undefined; } export { NOTCHSET_ROOT, OWN_SOUND } from "@/lib/beautiful-ui/notchset/root"; // --------------------------------------------------------------------------------------------- // Parts // --------------------------------------------------------------------------------------------- export type NodeState = "off" | "on" | "live" | "signal"; /** The node: a 9×9 ring whose dot blooms on (`on`), blinks (`live`) or turns signal. */ function Node({ state = "off", delay, className, style, ...props }: Omit, "children"> & { state?: NodeState; delay?: number }) { return ( ); } /** A small solid round mark (the node where a leader meets a popup, a pointer): SVG, round at every DPR. */ function Dot({ size = 7, className, style }: { size?: number; className?: string; style?: React.CSSProperties }) { return ( ); } /** The legend: a mono label above a control, with an optional node (or any trailing reading). */ function Legend({ label, node, children, className, ...props }: React.ComponentProps<"div"> & { label?: React.ReactNode; node?: NodeState }) { return (

{label} {(children != null || node) && ( {children} {node && } )}

); } /** A key on its plate: the plate is an offset frame behind the child; `--notchset-plate-color` tints it. */ function Plated({ className, children, ...props }: React.ComponentProps<"span">) { return ( {children} ); } /** * The success check. Mounted, it traces itself in over --notchset-check (instant under reduced * motion); pass `drawn` to drive the trace yourself. */ function Check({ drawn, size = 16 }: { drawn?: boolean; size?: number }) { return ( ); } /** The scanner: five 1px ticks fading in turn while something works (static, centre lit, when motion is off). */ function Scanner({ height = 12 }: { height?: number }) { return ( {[0.82, 0.66, 1, 0.66, 0.82].map((h, i) => ( ))} ); } // --------------------------------------------------------------------------------------------- // Glyph flip: each character cycles through glyphs and lands at 110 + i·14ms, left to right // --------------------------------------------------------------------------------------------- const GLYPHS = "ABCDEFGHJKLMNPRSTUVWXYZ0123456789#/+="; const STILL = new Set([" ", "·", "/", ".", ":"]); export function scramble(text: string, elapsed: number) { let out = ""; for (let i = 0; i < text.length; i++) { const ch = text[i]!; out += STILL.has(ch) || elapsed >= 110 + i * 14 ? ch : GLYPHS[(Math.floor(elapsed / 36) * 5 + i * 11) % GLYPHS.length]; } return out; } /** * The text to show for `text`: when it changes, a few frames of glyphs that land left to right. * Runs on requestAnimationFrame only while a flip is active; the settled text is never state. Off * under reduced motion, inside data-motion="off" (pass the element) or with `off`. */ export function useGlyphFlip(text: string, { off = false, el }: { off?: boolean; el?: React.RefObject } = {}) { const [frame, setFrame] = React.useState<{ for: string; shown: string } | null>(null); const first = React.useRef(true); React.useEffect(() => { if (first.current) { first.current = false; return; } if (off || motionOff(el?.current)) return; let raf = 0; const t0 = performance.now(); const end = 110 + text.length * 14 + 40; const step = (now: number) => { const elapsed = now - t0; if (elapsed >= end) return setFrame(null); setFrame({ for: text, shown: scramble(text, elapsed) }); raf = requestAnimationFrame(step); }; raf = requestAnimationFrame(step); return () => cancelAnimationFrame(raf); }, [text, off, el]); return frame && frame.for === text ? frame.shown : text; } /** A label that flips when its text changes; screen readers read the final text only. */ function FlipText({ children, off, className, ...props }: Omit, "children"> & { children: string; off?: boolean }) { const ref = React.useRef(null); const shown = useGlyphFlip(children, { off, el: ref }); return ( {shown} {children} ); } // --------------------------------------------------------------------------------------------- // Sound: Notchset components announce cues; the page's beautiful-ui-sound layer (opt-in) plays them. // --------------------------------------------------------------------------------------------- /** The Notchset cues, in the shared sound layer's names (played in the mechanical voice). */ export const NOTCHSET_CUES = { tap: "tap", latch: "lock", signal: "destructive", confirm: "halt", done: "success", tick: "tick" } as const; export type NotchsetCue = keyof typeof NOTCHSET_CUES; export function playCue(el: Element | null, cue: NotchsetCue) { if (!el || typeof CustomEvent === "undefined" || el.closest('[data-sound="off"]')) return; el.dispatchEvent(new CustomEvent("beautiful-ui:sound", { bubbles: true, detail: { cue: NOTCHSET_CUES[cue] } })); } // --------------------------------------------------------------------------------------------- // Shortcuts: "⌘↵" → "Meta+Enter Control+Enter" (aria-keyshortcuts) // --------------------------------------------------------------------------------------------- const KEY_NAMES: Record = { "⌘": "Meta", "⌃": "Control", "⌥": "Alt", "⇧": "Shift", "↵": "Enter", "⏎": "Enter", "⎋": "Escape", "⌫": "Backspace", "⇥": "Tab", "␣": "Space" }; export function kbdToShortcut(kbd: string | undefined): string | undefined { if (!kbd) return undefined; const parts = [...kbd.replace(/\s+/g, "")].map((c) => KEY_NAMES[c] ?? c.toUpperCase()); if (!parts.length) return undefined; const combo = parts.join("+"); // ⌘ on a Mac is Ctrl elsewhere: announce both. return combo.includes("Meta") ? `${combo} ${combo.replace("Meta", "Control")}` : combo; } /** * A number that rolls: each digit is a 0–9 strip; the ones digit moves first and each digit to its left * 40ms later (620ms, a small overshoot). `delay` offsets the whole number (rows 60ms apart). Non-digits * (",", "$", "%") sit still. Screen readers get the plain value. */ function RollingNumber({ value, height = 32, delay = 0, className }: { value: string | number; height?: number; delay?: number; className?: string }) { const text = String(value); const digits = text.split(""); const lastDigit = digits.reduce((n, d, i) => (/\d/.test(d) ? i : n), -1); return ( {text} {digits.map((d, i) => /\d/.test(d) ? ( {Array.from({ length: 10 }, (_, n) => ( {n} ))} ) : ( {d} ), )} ); } export { Check, Dot, FlipText, Legend, Node, Plated, RollingNumber, Scanner }; ``` ### lib/beautiful-ui/notchset/root.ts ```tsx /* * Notchset's root attributes, server-safe (no client directive), so server components can spread * them too. Every Notchset root (and portalled popup) carries data-notchset (the motion policy's * scope), plays its own cues in the mechanical voice, and keeps the page's click layer out. */ export const NOTCHSET_ROOT = { "data-notchset": "", "data-sound": "none", "data-sound-voice": "analogue" } as const; /** On every interactive element: it plays its own cues, so the page's click layer adds no tap. */ export const OWN_SOUND = { "data-sound": "none" } as const; ``` The notchset foundation (the tokens listed above, keyframes and motion levels) installs once with the first component; its CSS is public at https://beautiful-ui.dev/r/notchset-foundation.json.