16:I[54961,["/_next/static/immutable/chunks/23kzrxojb_1p2.js","/_next/static/immutable/chunks/39h58d1utebdp.js","/_next/static/immutable/chunks/2nrtc1lb04fz1.js","/_next/static/immutable/chunks/21y0r7k6jovn5.js","/_next/static/immutable/chunks/31l88bjo9blmv.js","/_next/static/immutable/chunks/2z8nc0r40hilq.js","/_next/static/immutable/chunks/27fhzxv1uvtm8.js"],"default"] 17:T4010,'use client'; import { useEffect, useId, useRef } from 'react'; export type PulseProps = { compact?: boolean; paused?: boolean; speed?: number; amplitude?: number; accent?: string; }; const clamp = (v: number, a: number, b: number) => Math.max(a, Math.min(b, v)); /** Deterministic sample activity, never presented as a live financial feed. */ export function pulseSample(index: number, time = 0, amplitude = 1) { const wave = 0.14 * Math.sin(index * 0.15 - 1) + 0.065 * Math.sin(index * 0.84) + 0.043 * Math.sin(index * 2.27) + 0.27 * Math.exp(-(((index - 42) / 14) ** 2)) - 0.18 * Math.exp(-(((index - 65) / 8) ** 2)); return clamp( 0.51 + wave * amplitude + Math.sin(time * 0.55 + index * 0.14) * 0.013, 0.07, 0.94, ); } export default function Pulse({ compact = false, paused = false, speed = 1, amplitude = 1, accent = '#cdd6cc', }: PulseProps) { const root = useRef(null), line = useRef(null), area = useRef(null), cross = useRef(null), dot = useRef(null), announcement = useRef(null), metric = useRef(null), timestamp = useRef(null), restart = useRef<() => void>(() => {}), wakeRef = useRef<() => void>(() => {}), options = useRef({ paused, speed, amplitude }); options.current = { paused, speed, amplitude }; const id = useId().replace(/:/g, ''); useEffect(() => { wakeRef.current(); }, [paused, speed, amplitude]); useEffect(() => { const host = root.current!, svg = host.querySelector('svg')!, media = matchMedia('(prefers-reduced-motion: reduce)'); let raf = 0, last = 0, elapsed = compact ? 2.8 : 0, visible = true, small = compact, gone = false, progress = 0, x = 83, tx = 83, presence = 0, targetPresence = 0, selected = -1, selectedAmplitude = NaN, initialized = false, announced = -1, announcedAmplitude = NaN, announcementAt = -Infinity; const frame = (now: number) => { raf = 0; // React detaches refs before passive effect cleanup; a queued RAF can land in that gap. if ( gone || !visible || document.hidden || !host.isConnected || !line.current || !area.current || !cross.current || !dot.current || !metric.current || !timestamp.current ) return; if (options.current.paused && initialized && !media.matches) return; const dt = Math.min(0.05, Math.max(0.001, (now - last) / 1000)); if (small && now - last < 1000 / 30) { raf = requestAnimationFrame(frame); return; } last = now; const still = media.matches || options.current.paused; initialized = true; if (!still) elapsed += dt * clamp(options.current.speed, 0.4, 2); progress = still ? 1 : Math.min(1, elapsed / 2.8); const reveal = 1 - (1 - progress) ** 3, alpha = still ? 1 : 1 - Math.exp(-dt * 11); x += (tx - x) * alpha; presence += (targetPresence - presence) * alpha; const points = Array.from({ length: 90 }, (_, i) => [ 26 + (i / 89) * 468, 270 - pulseSample(i, still ? 0 : elapsed, options.current.amplitude) * 174, ]); const path = 'M' + points.map((p) => p.map((n) => n.toFixed(2)).join(',')).join('L'); line.current!.setAttribute('d', path); line.current!.setAttribute('stroke-dashoffset', String(1 - reveal)); area.current!.setAttribute('d', `${path}L494,281L26,281Z`); area.current!.setAttribute('opacity', String(reveal * 0.65)); const cursor = clamp(x, 0, 89), lower = Math.floor(cursor), upper = Math.min(89, lower + 1), fraction = cursor - lower; const index = Math.round(cursor), point = [ 26 + (cursor / 89) * 468, points[lower][1] + (points[upper][1] - points[lower][1]) * fraction, ]; cross.current!.setAttribute('transform', `translate(${point[0].toFixed(2)} 0)`); cross.current!.setAttribute('opacity', String(presence)); dot.current!.setAttribute('cx', String(point[0])); dot.current!.setAttribute('cy', String(point[1])); dot.current!.setAttribute('opacity', String(presence * reveal)); if (index !== selected || options.current.amplitude !== selectedAmplitude) { selected = index; selectedAmplitude = options.current.amplitude; metric.current!.textContent = Intl.NumberFormat('en-US').format( Math.round(18400 + pulseSample(index, 0, options.current.amplitude) * 12300), ); const minutes = Math.round((index / 89) * 720); timestamp.current!.textContent = `${String(Math.floor(minutes / 60)).padStart(2, '0')}:${String(minutes % 60).padStart(2, '0')}`; } if ( targetPresence && announcement.current && (index !== announced || options.current.amplitude !== announcedAmplitude) && (still || now - announcementAt >= 300) ) { announced = index; announcedAmplitude = options.current.amplitude; announcementAt = now; announcement.current.textContent = `Sample activity ${Math.round(18400 + pulseSample(index, 0, options.current.amplitude) * 12300).toLocaleString('en-US')} at ${timestamp.current!.textContent}.`; } if (!still) raf = requestAnimationFrame(frame); }; const wake = () => { if (!gone && !raf && visible && !document.hidden) { last = performance.now(); raf = requestAnimationFrame(frame); } }; wakeRef.current = wake; const move = (event: PointerEvent) => { if (options.current.paused) return; const r = svg.getBoundingClientRect(), scale = Math.min(r.width / 520, r.height / 370); const sx = (event.clientX - r.left - (r.width - 520 * scale) / 2) / scale; tx = clamp(((sx - 26) / 468) * 89, 0, 89); targetPresence = 1; wake(); }; const leave = () => { targetPresence = 0; wake(); }; const key = (event: KeyboardEvent) => { if (options.current.paused || event.target !== host) return; if (!['ArrowLeft', 'ArrowRight', 'Home', 'End', ' '].includes(event.key)) return; event.preventDefault(); if (event.key === ' ') { elapsed = progress = 0; wake(); return; } tx = event.key === 'Home' ? 0 : event.key === 'End' ? 89 : clamp(tx + (event.key === 'ArrowLeft' ? -4 : 4), 0, 89); targetPresence = 1; wake(); }; const visibility = () => { cancelAnimationFrame(raf); raf = 0; wake(); }; const observer = new IntersectionObserver(([entry]) => { visible = entry.isIntersecting; visibility(); }); const size = new ResizeObserver(([entry]) => { small = entry.contentRect.width < 500; }); observer.observe(host); size.observe(host); restart.current = () => { elapsed = progress = 0; wake(); }; host.addEventListener('pointermove', move); host.addEventListener('pointerdown', move); host.addEventListener('pointerleave', leave); host.addEventListener('pointercancel', leave); host.addEventListener('keydown', key); host.addEventListener('blur', leave); document.addEventListener('visibilitychange', visibility); media.addEventListener('change', visibility); wake(); return () => { gone = true; cancelAnimationFrame(raf); observer.disconnect(); size.disconnect(); wakeRef.current = () => {}; restart.current = () => {}; host.removeEventListener('pointermove', move); host.removeEventListener('pointerdown', move); host.removeEventListener('pointerleave', leave); host.removeEventListener('pointercancel', leave); host.removeEventListener('keydown', key); host.removeEventListener('blur', leave); document.removeEventListener('visibilitychange', visibility); media.removeEventListener('change', visibility); }; }, [compact]); return (

Illustrative activity over twelve hours. Arrow keys inspect samples.

ACTIVITY +1,238 ↗ 24.64%

Today

SAMPLE SIGNAL 11:12

{!compact && (

View data

{Array.from({ length: 90 }, (_, i) => { const minutes = Math.round((i / 89) * 720); return ( ); })}

Illustrative activity samples
Time	Activity
{String(Math.floor(minutes / 60)).padStart(2, '0')}: {String(minutes % 60).padStart(2, '0')}	{Math.round( 18400 + pulseSample(i, 0, amplitude) * 12300, ).toLocaleString('en-US')}

)}

); } const styles = `.pulse-accessible{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.pulse{position:relative}.pulse-data{position:absolute;bottom:10px;right:12px;z-index:3;font:11px sans-serif;color:#aaa}.pulse-data summary{cursor:pointer;padding:6px}.pulse-data>div{position:absolute;bottom:32px;right:0;width:220px;max-height:230px;overflow:auto;padding:12px;border:1px solid #ffffff25;border-radius:12px;background:#111;color:#eee}.pulse-data table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}.pulse-data th,.pulse-data td{padding:5px;text-align:left}.pulse-data caption{padding-bottom:10px}.pulse{display:grid;place-items:center;width:100%;height:100%;min-height:280px;background:radial-gradient(ellipse at 50% 45%,#191919,#0a0a0a 72%);outline:none;touch-action:pan-y}.pulse:focus-visible{outline:1px solid #fff;outline-offset:-5px}.pulse-card{position:relative;width:min(76%,480px);aspect-ratio:1.2;border:1px solid #ffffff16;border-radius:20px;background:linear-gradient(150deg,#1b1b1b,#141414);box-shadow:0 20px 60px #0002;overflow:hidden}.pulse-card>svg{display:block;width:100%;height:100%}.pulse-header{position:absolute;top:6%;left:5%;right:5%;display:flex;justify-content:space-between;pointer-events:none}.pulse-header>div{display:flex;flex-direction:column;gap:7px}.pulse-label{font:8px monospace;letter-spacing:1.4px;color:#999}.pulse-header strong{font:500 clamp(20px,2.7vw,34px) 'Urbanist Variable',sans-serif;letter-spacing:-.8px;color:#f4f3f0;line-height:1}.pulse-change{font:10px monospace;color:#e4e4dd}.pulse-change>span{margin-left:8px;color:var(--pulse-accent)}.pulse-period{font:10px sans-serif;color:#aaa}.pulse-footer{position:absolute;left:5%;right:5%;bottom:4%;display:flex;align-items:center;justify-content:space-between;border-top:1px solid #ffffff14;padding-top:9px}.pulse-footer>span{font:8px monospace;letter-spacing:1px;color:#777}.pulse-footer time{margin-left:12px;color:#ccc}.pulse-footer button{width:32px;height:32px;border:1px solid #ffffff15;border-radius:50%;background:#ffffff05;color:#ddd;font-size:18px;cursor:pointer}.pulse-footer button:focus-visible{outline:1px solid #fff;outline-offset:3px}.pulse-compact .pulse-card{width:83%;border-radius:13px}.pulse-compact .pulse-header{top:7%}.pulse-compact .pulse-header strong{font-size:22px}.pulse-compact .pulse-label{font-size:6px}.pulse-compact .pulse-change{font-size:7px}.pulse-compact .pulse-footer{padding-top:4px}.pulse-compact .pulse-footer button{width:22px;height:22px;font-size:14px}.pulse-compact .pulse-footer>span{font-size:6px}@media(max-width:500px){.pulse-card{width:88%}.pulse-header strong{font-size:28px}}html[data-theme=light] .pulse{background:radial-gradient(ellipse at 50% 47%,#fff,#f1eee8 74%)}html[data-theme=light] .pulse-card{background:linear-gradient(155deg,#fffdf9,#f4f0e9);border-color:#00000014;box-shadow:0 20px 60px #46332108}html[data-theme=light] .pulse-header strong{color:#1c1b1a}html[data-theme=light] :is(.pulse-label,.pulse-period,.pulse-footer>span){color:#64615e}html[data-theme=light] :is(.pulse-change,.pulse-footer time){color:#1c1b1a}html[data-theme=light] .pulse-change>span{color:#616758}html[data-theme=light] .pulse-card svg text{fill:#797169}html[data-theme=light] .pulse-card svg path[pathLength]{stroke:color-mix(in srgb,var(--pulse-accent) 40%,#24271f)}html[data-theme=light] .pulse-card svg>circle{fill:#747e66;stroke:#fff}html[data-theme=light] .pulse-card svg>path:first-of-type{stroke:#00000012}html[data-theme=light] .pulse-card svg>g path{stroke:#746d5f70}html[data-theme=light] .pulse-card svg>g circle{fill:#746d5f}html[data-theme=light] .pulse-footer{border-color:#e5e2dd}html[data-theme=light] .pulse-footer button{color:#1c1b1a;background:#ffffff90;border-color:#d7d4d0}html[data-theme=light] .pulse:focus-visible{outline-color:#302c28}`; b:["$","$L16",null,{"initialView":"preview","originalSource":{"pulse":[{"name":"pulse.tsx","code":"$17"}]},"initialElement":"pulse","initialConfiguration":"$undefined","initialSaved":false,"initialTag":""}]