50: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"] 51: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"] 52:T2a06,"use client"; import * as React from "react"; import { cn } from "@/lib/utils"; import { useReducedMotion } from "@/hooks/use-reduced-motion"; import { useVisibilityPause } from "@/hooks/use-visibility-pause"; export interface PressProps extends Omit, "children"> { /** The headline text. Server-renders as plain text; the effect attaches after hydration. */ children: string; /** Resting font weight for untouched glyphs. @default 320 */ minWeight?: number; /** Font weight a glyph reaches directly under the cursor. @default 900 */ maxWeight?: number; /** Radius in px of the pressure field around the cursor. @default 160 */ radius?: number; /** How far, in px, glyphs near the cursor rise off the baseline. @default 6 */ lift?: number; /** How far, in em, letter-spacing opens around the pressure point. @default 0.06 */ spread?: number; /** * Font stack. Must expose a variable `wght` axis for the swell to render; * the default system stack is variable on every modern platform. * @default variable system-ui stack */ fontFamily?: string; /** Freeze the pressure field (and the idle breathing). @default false */ paused?: boolean; /** * Idle autoplay: when the cursor hasn't moved for 1.5s (or isn't over the * page) and isn't pressing the line, a ghost pressure point sweeps slowly * back and forth along the headline at reduced strength. A real pointer * takes over instantly. Off under reduced motion / coarse pointers. @default true */ idle?: boolean; } const IDLE_MS = 1500; /** Ghost pressure relative to a real cursor — deliberate, never full weight. */ const GHOST_GAIN = 0.7; const DEFAULT_FONT = "system-ui, -apple-system, 'Segoe UI Variable Display', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif"; /** True on touch-first devices, where cursor pressure is meaningless. SSR-safe: false on the server. */ function useCoarsePointer(): boolean { return React.useSyncExternalStore( subscribeCoarse, () => window.matchMedia("(pointer: coarse)").matches, () => false ); } function subscribeCoarse(callback: () => void): () => void { const mql = window.matchMedia("(pointer: coarse)"); mql.addEventListener("change", callback); return () => mql.removeEventListener("change", callback); } /** * Press — a variable-font pressure headline. The whole line behaves as a * press bed under the cursor: glyph weight swells with a gaussian proximity * falloff while nearby letters rise off the baseline and letter-spacing opens * around the pressure point, so the line visibly deforms as a field rather * than one glyph at a time. Idle, the weight axis breathes almost * imperceptibly so the headline reads as alive before first hover. * * Styles are written imperatively per frame (rAF lerp — no CSS transitions on * `font-variation-settings`, which are janky) and the loop pauses offscreen * and on hidden tabs. Server-side it renders the intact string, splitting * into per-glyph spans only after mount, so hydration always matches and * crawlers see real text. Coarse pointers and reduced motion get a static * mid-weight treatment. Untouched, a ghost pressure point sweeps the line * (`idle`) until the real cursor takes over. */ export function Press({ children, minWeight = 320, maxWeight = 900, radius = 160, lift = 6, spread = 0.06, fontFamily = DEFAULT_FONT, paused = false, idle = true, className, style, ...props }: PressProps) { const reducedMotion = useReducedMotion(); const coarse = useCoarsePointer(); const [mounted, setMounted] = React.useState(false); React.useEffect(() => setMounted(true), []); const isStatic = reducedMotion || coarse; const midWeight = (minWeight + maxWeight) / 2; // Split into words (trailing spaces attached) so line-wrapping matches the // plain server-rendered text, then into characters within each word. const wordData = React.useMemo(() => { let offset = 0; return children.split(/(?<=\s)/).map((word) => { const chars = Array.from(word); const start = offset; offset += chars.length; return { chars, start }; }); }, [children]); const totalChars = React.useMemo( () => wordData.reduce((sum, w) => sum + w.chars.length, 0), [wordData] ); const charRefs = React.useRef<(HTMLSpanElement | null)[]>([]); const influences = React.useRef([]); const pointer = React.useRef({ x: 0, y: 0, has: false }); const lastMoveRef = React.useRef(0); const ghostRef = React.useRef({ presence: 0, t: 0, last: 0 }); React.useEffect(() => { if (isStatic || !mounted) return; const onMove = (event: PointerEvent) => { if (event.pointerType === "touch") return; pointer.current.x = event.clientX; pointer.current.y = event.clientY; pointer.current.has = true; lastMoveRef.current = performance.now(); }; const onLeave = () => { pointer.current.has = false; lastMoveRef.current = performance.now(); }; lastMoveRef.current = performance.now(); window.addEventListener("pointermove", onMove, { passive: true }); document.documentElement.addEventListener("pointerleave", onLeave); return () => { window.removeEventListener("pointermove", onMove); document.documentElement.removeEventListener("pointerleave", onLeave); }; }, [isStatic, mounted]); // Reset imperative state whenever the text or endpoints change. React.useEffect(() => { charRefs.current.length = totalChars; influences.current = new Array(totalChars).fill(0); for (const el of charRefs.current) { if (!el) continue; el.style.fontVariationSettings = `'wght' ${minWeight}`; el.style.transform = "translateY(0px)"; el.style.letterSpacing = "0em"; } }, [totalChars, minWeight, maxWeight]); // The observed element, mirrored for the rAF tick (set after commit). const elRef = React.useRef(null); const wrapperRef = useVisibilityPause( (elapsed) => { const spans = charRefs.current; const p = pointer.current; const sigma = radius / 2; const g = ghostRef.current; if (elapsed < g.last) g.last = elapsed; const dt = Math.min(elapsed - g.last, 0.05); g.last = elapsed; // Read pass first (rects), write pass second — one forced layout per frame. const targets = new Array(spans.length).fill(0); const centers = new Array(spans.length * 2).fill(0); let realPeak = 0; for (let i = 0; i < spans.length; i++) { const el = spans[i]; if (!el) continue; const rect = el.getBoundingClientRect(); const cx = rect.left + rect.width / 2; const cy = rect.top + rect.height / 2; centers[i * 2] = cx; centers[i * 2 + 1] = cy; if (p.has) { const dx = cx - p.x; const dy = cy - p.y; targets[i] = Math.exp(-(dx * dx + dy * dy) / (2 * sigma * sigma)); if (targets[i] > realPeak) realPeak = targets[i]; } } // Idle ghost: a pressure point sweeping the line, eased in and out. It // yields the moment the real cursor moves or presses on the text. const wantGhost = idle && realPeak < 0.05 && performance.now() - lastMoveRef.current > IDLE_MS; g.presence += ((wantGhost ? 1 : 0) - g.presence) * Math.min(1, dt * (wantGhost ? 1.2 : 6)); if (g.presence > 0.005 && spans.length > 0) { g.t += dt; const wrap = elRef.current?.getBoundingClientRect(); if (wrap) { // Eased ping-pong along the measured line width, with a gentle bob. const s = 0.5 - 0.5 * Math.cos(g.t * 0.55); const gx = wrap.left + wrap.width * (0.04 + 0.92 * s); const gy = wrap.top + wrap.height * (0.5 + 0.18 * Math.sin(g.t * 1.3)); const k = g.presence * GHOST_GAIN; for (let i = 0; i < spans.length; i++) { const dx = centers[i * 2] - gx; const dy = centers[i * 2 + 1] - gy; const ghostT = Math.exp(-(dx * dx + dy * dy) / (2 * sigma * sigma)) * k; if (ghostT > (targets[i] ?? 0)) targets[i] = ghostT; } } } const weightSpan = maxWeight - minWeight; for (let i = 0; i < spans.length; i++) { const el = spans[i]; if (!el) continue; const cur = influences.current[i] ?? 0; const next = cur + ((targets[i] ?? 0) - cur) * 0.16; influences.current[i] = next; // Idle breathing: a barely-perceptible traveling swell of the weight // axis, fading out wherever real cursor pressure takes over. const breath = 0.05 * (0.5 + 0.5 * Math.sin(elapsed * 0.9 + i * 0.42)) * (1 - next); const t = Math.min(1, next + breath); el.style.fontVariationSettings = `'wght' ${(minWeight + weightSpan * t).toFixed(1)}`; el.style.transform = `translateY(${(-lift * next).toFixed(2)}px)`; el.style.letterSpacing = next > 0.005 ? `${(spread * next).toFixed(4)}em` : "0em"; } }, { paused: paused || isStatic || !mounted } ); React.useEffect(() => { elRef.current = wrapperRef.current; }); const baseStyle: React.CSSProperties = { fontFamily, fontVariationSettings: `'wght' ${isStatic ? midWeight : minWeight}`, ...style, }; // Server render + reduced motion / coarse pointer: the intact string, no // per-glyph spans — identical markup server and client, real text for // crawlers, static mid-weight when the effect can't run. if (!mounted || isStatic) { return ( {children} ); } return ( {wordData.map((word, wi) => ( {word.chars.map((ch, ci) => { const index = word.start + ci; return ( { charRefs.current[index] = el; }} className="inline-block whitespace-pre will-change-transform" style={{ fontVariationSettings: `'wght' ${minWeight}` }} > {ch} ); })} ))} ); } 4f:["$","div",null,{"className":"mt-3 flex min-h-0 min-w-0 flex-1 flex-col gap-3","children":[["$","div",null,{"className":"flex shrink-0 items-start gap-3","children":[["$","div",null,{"className":"flex max-h-28 min-w-0 flex-1 flex-wrap items-center gap-2 overflow-y-auto","children":[null,["$","$L50",null,{"namespace":"@crucible","registryDependencies":["https://crucibleui.com/r/use-reduced-motion.json","https://crucibleui.com/r/use-visibility-pause.json"]}]]}],null]}],["$","$L51",null,{"files":[{"path":"registry/default/text/press/press.tsx","content":"$52","type":"registry:ui","target":"components/crucible/press.tsx"}],"className":"h-[70svh] min-h-80"}]]}]