1b:I[55681,["/_next/static/immutable/chunks/1q7k1nvjizi_i.js","/_next/static/immutable/chunks/2p8l3nuk8gk86.js","/_next/static/immutable/chunks/1d2_ynpuj2eev.js","/_next/static/immutable/chunks/2t_0d26z78zz9.js","/_next/static/immutable/chunks/1xn4tjfk8re4z.js","/_next/static/immutable/chunks/1mya-vf0cmc-s.js"],"default"] 1c:T8232,"use client"; import { useEffect, useRef } from "react"; import { animate, hover, press, stagger } from "motion/react"; import "./recorder.css"; /* ------------------------------------------------------------------ props -- */ export type RecorderProps = { /** How wide the card is drawn, in px. It shrinks further to fit a small screen. */ size?: number; /** Tactile clicks on every press and a tick as you scrub, synthesised at play time. */ sound?: boolean; /** Take the keyboard as soon as it mounts, so Space and S work straight away. */ autoFocus?: boolean; /** "dark" graphite, or "light" porcelain. The red key is the same in both. */ theme?: "light" | "dark"; /** Fired when a take is saved, with its length in seconds. */ onSave?: (seconds: number) => void; }; type Mode = "idle" | "recording" | "paused" | "saved" | "playing"; /* ---------------------------------------------------------------- motion -- */ const PRESS = { type: "spring", stiffness: 1100, damping: 42, mass: 0.5 } as const; const RELEASE = { type: "spring", stiffness: 600, damping: 15, mass: 0.6 } as const; const SPRING = { type: "spring", stiffness: 420, damping: 32 } as const; const SOFT = { type: "spring", stiffness: 170, damping: 22 } as const; const ROLL = { type: "spring", stiffness: 420, damping: 34, mass: 0.8 } as const; const MORPH = { type: "spring", stiffness: 460, damping: 24 } as const; const clamp = (v: number, lo: number, hi: number) => Math.min(hi, Math.max(lo, v)); const pad2 = (n: number) => String(n).padStart(2, "0"); /* ---------------------------------------------------------------- geometry -- */ /* the card is authored at 700 × 700 and scaled to fit */ const SIZE = 700; /** A radius-200 superellipse (n = 4), measured off the reference. */ function squirclePath(w: number, h: number, r: number, inset = 0, steps = 28) { const pts: string[] = []; const centers = [ [w - r, r], [r, r], [r, h - r], [w - r, h - r], ]; centers.forEach(([cx, cy], q) => { for (let i = 0; i <= steps; i++) { const t = ((q + i / steps) * Math.PI) / 2; const c = Math.cos(t); const s = Math.sin(t); const x = cx + r * Math.sign(c) * Math.sqrt(Math.abs(c)); const y = cy - r * Math.sign(s) * Math.sqrt(Math.abs(s)); pts.push(`${(x + inset).toFixed(2)} ${(y + inset).toFixed(2)}`); } }); return `M${pts.join("L")}Z`; } const CLIP = `path("${squirclePath(SIZE, SIZE, 200)}")`; const RIM = squirclePath(SIZE - 2, SIZE - 2, 199, 1); /* the waveform */ const BAR_DT = 0.1; // seconds per bar const PITCH = 10; const HEAD_X = 380; const BAR_OFFSET = 11.5; const MIN_H = 4; const MAX_H = 340; const COLLAPSE_MS = 460; const RIPPLE_MS = 700; const LABELS: Record = { idle: "READY", recording: "REC", paused: "PAUSED", saved: "SAVED", playing: "PLAY" }; /* the status dot's fill per mode; recording and paused fall back to the red gradient in the stylesheet */ const DOT_COLOR: Record = { idle: "var(--prec-dot-idle)", recording: "", paused: "", saved: "var(--prec-dot-saved)", playing: "var(--prec-dot-play)", }; const MAIN_GLYPH = { idle: "rec", recording: "pause", paused: "rec", saved: "play", playing: "pause" } as const; const SIDE_GLYPH = { idle: "stop", recording: "stop", paused: "stop", saved: "clear", playing: "stop" } as const; const MAIN_LABEL: Record = { idle: "Record", recording: "Pause", paused: "Resume recording", saved: "Play", playing: "Pause playback", }; /* a damped spring from 0 → 1 as a bar is born */ const grow = (age: number) => (age >= 0.7 ? 1 : Math.max(0, 1 - Math.exp(-age * 14) * Math.cos(age * 20))); /* -------------------------------------------------------------- component -- */ /** * A voice recorder card — no microphone. * * The input is a generated voice-like signal, and playback is a silent, timed * replay of the same take. Record, pause and resume on the red key; stop saves * the take, and on a saved take the side key becomes hold-to-clear. Drag the * waveform, scroll over the card or use the arrow keys to scrub. * * The waveform is a fixed pool of bars that scroll under a fixed playhead, all * drawn from one frame loop, so nothing is created or destroyed while it runs. */ export default function Recorder({ size = 360, sound = true, autoFocus = false, theme = "dark", onSave }: RecorderProps) { const rootRef = useRef(null); const fitRef = useRef(null); const frameRef = useRef(null); const cardRef = useRef(null); const waveRef = useRef(null); const barsRef = useRef(null); const dotsRef = useRef(null); const playheadRef = useRef(null); const recDotRef = useRef(null); const labelRef = useRef(null); const timerRef = useRef(null); const sideRef = useRef(null); const mainRef = useRef(null); const holdRef = useRef(null); const glyphRefs = useRef>({}); /* read at play time, so the prop can change without rebuilding the card */ const soundRef = useRef(sound); soundRef.current = sound; const onSaveRef = useRef(onSave); onSaveRef.current = onSave; useEffect(() => { const root = rootRef.current!; const fit = fitRef.current!; const frame = frameRef.current!; const card = cardRef.current!; const wave = waveRef.current!; const barsEl = barsRef.current!; const dotsEl = dotsRef.current!; const playhead = playheadRef.current!; const recDot = recDotRef.current!; const labelWrap = labelRef.current!; const timerEl = timerRef.current!; const kSide = sideRef.current!; const kMain = mainRef.current!; const holdRect = holdRef.current!; const G = glyphRefs.current as Record; const reduceMotion = window.matchMedia("(prefers-reduced-motion: reduce)").matches; let alive = true; const cleanups: (() => void)[] = []; const listen = ( el: HTMLElement | Window, type: K | string, fn: (e: never) => void, opts?: AddEventListenerOptions, ) => { el.addEventListener(type, fn as EventListener, opts); cleanups.push(() => el.removeEventListener(type, fn as EventListener, opts)); }; const timers = new Set>(); const later = (ms: number, fn: () => void) => { const id = setTimeout(() => { timers.delete(id); fn(); }, ms); timers.add(id); return id; }; /* * ── size: a compact card, shrinking further to fit ── * It measures the box it was put in rather than the window, so it fits a * sidebar or a stage as well as a page. */ const host = root.parentElement ?? root; function fitToViewport() { const cs = getComputedStyle(host); const inner = host.clientWidth - parseFloat(cs.paddingLeft) - parseFloat(cs.paddingRight); const room = Math.min(inner > 0 ? inner : window.innerWidth, window.innerWidth - 32); const s = Math.min(size / SIZE, room / SIZE, (window.innerHeight - 48) / SIZE); frame.style.transform = `scale(${s})`; fit.style.width = `${SIZE * s}px`; fit.style.height = `${SIZE * s}px`; } fitToViewport(); listen(window, "resize", fitToViewport); if (typeof ResizeObserver !== "undefined") { const observer = new ResizeObserver(fitToViewport); observer.observe(host); cleanups.push(() => observer.disconnect()); } /* ── state: idle → recording ⇄ paused → saved ⇄ playing ── */ const S = { mode: "idle" as Mode, elapsed: 0, cursor: 0, nextBarAt: BAR_DT, view: 0 }; let samples: { h: number; t: number }[] = []; /* ── tactile sound (Web Audio, made on the first press) ── */ let ctx: AudioContext | undefined; let noiseBuf: AudioBuffer | undefined; function click(kind: "down" | "up" | "tick" = "down", gain = 1) { if (!soundRef.current) return; try { const Ctx = window.AudioContext || (window as unknown as { webkitAudioContext: typeof AudioContext }).webkitAudioContext; ctx ??= new Ctx(); if (ctx.state === "suspended") void ctx.resume(); } catch { return; } if (!noiseBuf) { noiseBuf = ctx.createBuffer(1, Math.floor(ctx.sampleRate * 0.03), ctx.sampleRate); const d = noiseBuf.getChannelData(0); for (let i = 0; i < d.length; i++) d[i] = (Math.random() * 2 - 1) * Math.pow(1 - i / d.length, 4); } const t = ctx.currentTime; const src = ctx.createBufferSource(); src.buffer = noiseBuf; const bp = ctx.createBiquadFilter(); bp.type = "bandpass"; bp.frequency.value = kind === "down" ? 2200 : kind === "tick" ? 5200 : 3400; bp.Q.value = 0.9; const g = ctx.createGain(); g.gain.value = (kind === "down" ? 0.45 : kind === "tick" ? 0.08 : 0.24) * gain; src.connect(bp).connect(g).connect(ctx.destination); src.start(t); if (kind === "down") { const o = ctx.createOscillator(); const og = ctx.createGain(); o.frequency.setValueAtTime(150, t); o.frequency.exponentialRampToValueAtTime(50, t + 0.05); og.gain.setValueAtTime(0.12 * gain, t); og.gain.exponentialRampToValueAtTime(0.0001, t + 0.06); o.connect(og).connect(ctx.destination); o.start(t); o.stop(t + 0.07); } } const haptic = (ms = 8) => navigator.vibrate?.(ms); /* ── timer: HH:MM:SS, the digits roll and soften through a blur ── */ timerEl.replaceChildren(); const slots: HTMLSpanElement[] = []; "00:00:00".split("").forEach((ch) => { const el = document.createElement("span"); if (ch === ":") { el.className = "prec__colon"; el.textContent = ":"; timerEl.append(el); return; } el.className = "prec__slot"; el.innerHTML = "0"; el.dataset.v = "0"; timerEl.append(el); slots.push(el); }); function setDigit(slot: HTMLSpanElement, ch: string, dir: number) { if (slot.dataset.v === ch) return; slot.dataset.v = ch; if (reduceMotion) { slot.innerHTML = `${ch}`; return; } const h = slot.offsetHeight || 58; const prev = slot.lastElementChild as HTMLElement | null; const next = document.createElement("span"); next.textContent = ch; slot.append(next); animate(next, { y: [dir * h * 0.75, 0], opacity: [0, 1], filter: ["blur(5px)", "blur(0px)"] }, ROLL); if (prev) animate(prev, { y: -dir * h * 0.75, opacity: 0, filter: "blur(5px)" }, ROLL).then(() => prev.remove()); } let lastSec = -1; function renderTimer(sec: number) { const s = Math.floor(sec + 1e-6); if (s === lastSec) return; const dir = s >= lastSec ? 1 : -1; lastSec = s; const str = pad2(Math.floor(s / 3600) % 100) + pad2(Math.floor(s / 60) % 60) + pad2(s % 60); str.split("").forEach((ch, i) => setDigit(slots[i], ch, dir)); } /* ── waveform: pooled bars that scroll under a fixed playhead ── */ barsEl.replaceChildren(); dotsEl.replaceChildren(); const POOL = Math.ceil(SIZE / PITCH) + 12; const pool = Array.from({ length: POOL }, () => { const el = document.createElement("span"); el.className = "prec__bar"; el.style.opacity = "0"; barsEl.append(el); return { el, on: false, tf: "", op: -1, used: false }; }); const dots: { el: HTMLSpanElement; x: number; a: number }[] = []; for (let x = 392; x <= 672; x += 9) { const d = document.createElement("span"); d.className = "prec__dot"; d.style.left = `${x}px`; dotsEl.append(d); dots.push({ el: d, x, a: 1 }); } const fx = { collapseAt: 0, rippleAt: 0 }; function targetHead() { return S.mode === "recording" || S.mode === "paused" ? S.elapsed : S.cursor; } function renderWave(now: number) { const hIdx = S.view / BAR_DT; const n = samples.length; const reviewing = S.mode === "saved" || S.mode === "playing"; const kFrom = Math.max(0, Math.floor(hIdx - HEAD_X / PITCH) - 2); const kTo = Math.min(n - 1, Math.ceil(hIdx + (SIZE - HEAD_X) / PITCH) + 2); const collapseP = fx.collapseAt ? (now - fx.collapseAt) / COLLAPSE_MS : 0; const rippleP = fx.rippleAt ? (now - fx.rippleAt) / RIPPLE_MS : 0; if (rippleP > 1) fx.rippleAt = 0; for (const p of pool) p.used = false; let lastX = -Infinity; for (let k = kFrom; k <= kTo; k++) { const x = HEAD_X - BAR_OFFSET - (hIdx - (k + 1)) * PITCH; if (x < -4 || x > SIZE) continue; const s = samples[k]; let h = s.h * grow((now - s.t) / 1000); if (collapseP) { const d = Math.abs(HEAD_X - x) / HEAD_X; const local = clamp(collapseP * 1.7 - d * 0.7, 0, 1); h *= 1 - local * local * (3 - 2 * local); } if (rippleP) { const u = rippleP * 1.6 - (HEAD_X - x) / HEAD_X; if (u > 0 && u < 1) h *= 1 + 0.16 * Math.sin(Math.PI * u); } /* played and unplayed crossfade over about a bar and a half instead of flipping */ const ahead = reviewing ? clamp((x - HEAD_X + 6) / 15, 0, 1) : 0; const op = 1 - 0.72 * ahead; const p = pool[k % POOL]; p.used = true; lastX = Math.max(lastX, x); const tf = `translate3d(${x.toFixed(2)}px,5px,0) scaleY(${(Math.max(h, 0) / MAX_H).toFixed(4)})`; if (p.tf !== tf) { p.el.style.transform = tf; p.tf = tf; } if (Math.abs(p.op - op) > 0.004 || !p.on) { p.el.style.opacity = op.toFixed(3); p.op = op; p.on = true; } } for (const p of pool) { if (!p.used && p.on) { p.el.style.opacity = "0"; p.on = false; p.op = -1; } } /* the dotted track fades out where audio takes its place */ const edge = Math.max(HEAD_X + 6, lastX + 6); for (const d of dots) { const a = clamp((d.x - edge) / 10, 0, 1); if (Math.abs(a - d.a) > 0.01) { d.a = a; d.el.style.opacity = a.toFixed(2); } } } function collapseWave() { if (!samples.length || reduceMotion) { samples = []; return Promise.resolve(); } fx.collapseAt = performance.now(); return new Promise((r) => later(COLLAPSE_MS, () => { samples = []; fx.collapseAt = 0; r(); }), ); } /* generated "speech": words with a rise-and-fall envelope, then pauses */ const voice = { i: 0, len: 0, peak: 0, speaking: false }; function nextHeight() { if (voice.i >= voice.len) { voice.speaking = !voice.speaking; voice.i = 0; voice.len = voice.speaking ? 4 + Math.floor(Math.random() * 7) : 2 + Math.floor(Math.random() * 5); voice.peak = 0.55 + Math.random() * 0.45; } const u = (voice.i + 0.5) / voice.len; voice.i++; if (!voice.speaking) return MIN_H + Math.random() * 8; const env = Math.pow(Math.sin(Math.PI * u), 0.6); const a = clamp(env * voice.peak * (0.55 + Math.random() * 0.45), 0.02, 1); return MIN_H + Math.pow(a, 1.3) * (MAX_H - MIN_H); } /* ── status, glyph morphs, indicators ── */ labelWrap.replaceChildren(); const firstLabel = document.createElement("span"); firstLabel.className = "prec__labelText"; firstLabel.textContent = "READY"; labelWrap.append(firstLabel); let currentLabel = "READY"; function setLabel(text: string) { if (text === currentLabel) return; currentLabel = text; const prev = labelWrap.lastElementChild as HTMLElement | null; const next = document.createElement("span"); next.className = "prec__labelText"; next.textContent = text; labelWrap.append(next); if (reduceMotion) { prev?.remove(); return; } animate(next, { y: [20, 0], opacity: [0, 1], filter: ["blur(4px)", "blur(0px)"] }, SPRING); if (prev) animate(prev, { y: -20, opacity: 0, filter: "blur(4px)" }, { duration: 0.2, ease: [0.4, 0, 1, 1] }).then(() => prev.remove()); } let flashTimer: ReturnType | null = null; function flash(text: string, ms = 1100) { if (flashTimer) clearTimeout(flashTimer); setLabel(text); flashTimer = later(ms, () => { flashTimer = null; setLabel(LABELS[S.mode]); }); } const refreshLabel = () => !flashTimer && setLabel(LABELS[S.mode]); let dotBlink: { stop: () => void } | undefined; let timerBlink: { stop: () => void } | undefined; function refreshIndicators() { dotBlink?.stop(); timerBlink?.stop(); recDot.style.background = DOT_COLOR[S.mode]; if (reduceMotion) return; animate(recDot, { scale: [0.6, 1] }, RELEASE); animate(timerEl, { opacity: 1 }, { duration: 0.2 }); if (S.mode === "recording") { dotBlink = animate(recDot, { opacity: [1, 0.2, 1] }, { duration: 1.2, repeat: Infinity, ease: "easeInOut" }); } else { animate(recDot, { opacity: S.mode === "paused" ? 0.55 : 1 }, { duration: 0.2 }); } if (S.mode === "paused") { timerBlink = animate(timerEl, { opacity: [1, 0.3, 1] }, { duration: 1.2, repeat: Infinity, ease: "easeInOut" }); } } const shown: { main: string; side: string } = { main: "rec", side: "stop" }; function morph(group: "main" | "side", next: string) { if (shown[group] === next) return; const out = G[shown[group]]; const inn = G[next]; shown[group] = next; if (reduceMotion) { out.style.opacity = "0"; inn.style.opacity = "1"; return; } animate(out, { opacity: 0, scale: 0.5, rotate: -25, filter: "blur(3px)" }, { duration: 0.16, ease: [0.4, 0, 1, 1] }); animate(inn, { opacity: [0, 1], scale: [0.5, 1], rotate: [25, 0], filter: ["blur(3px)", "blur(0px)"] }, MORPH); } function refreshControls() { morph("main", MAIN_GLYPH[S.mode]); morph("side", SIDE_GLYPH[S.mode]); const sideOn = S.mode !== "idle"; kSide.disabled = !sideOn; animate(kSide.querySelector(".prec__glyphs")!, { opacity: sideOn ? 1 : 0.35 }, { duration: 0.25 }); kMain.setAttribute("aria-label", MAIN_LABEL[S.mode]); kSide.setAttribute("aria-label", S.mode === "saved" ? "Hold to clear the recording" : "Stop"); kSide.title = S.mode === "saved" ? "Hold to clear (hold S)" : "Stop (S)"; wave.style.cursor = S.mode === "saved" || S.mode === "playing" ? "grab" : "default"; } function setMode(mode: Mode) { S.mode = mode; refreshLabel(); refreshIndicators(); refreshControls(); } /* ── actions ── */ function wiggle(el: HTMLElement) { if (!reduceMotion) animate(el, { x: [0, -6, 6, -4, 4, 0] }, { duration: 0.36, ease: "easeOut" }); } function startTake() { Object.assign(S, { elapsed: 0, cursor: 0, nextBarAt: BAR_DT, view: 0 }); samples = []; voice.i = voice.len = 0; voice.speaking = false; setMode("recording"); } function saveTake() { S.cursor = S.elapsed; fx.rippleAt = performance.now(); setMode("saved"); onSaveRef.current?.(S.elapsed); } let playStart = 0; let playFrom = 0; function startPlayback() { if (S.elapsed <= 0) return; /* from the end, rewind — the waveform glides back rather than jumping */ if (S.cursor >= S.elapsed - 0.05) S.cursor = 0; playFrom = S.cursor; playStart = performance.now(); setMode("playing"); } async function clearTake() { setMode("idle"); flash("CLEARED", 1000); await collapseWave(); Object.assign(S, { elapsed: 0, cursor: 0, view: 0 }); } const actions = { main() { switch (S.mode) { case "idle": return startTake(); case "recording": return setMode("paused"); case "paused": return setMode("recording"); case "saved": return startPlayback(); case "playing": return setMode("saved"); } }, side() { switch (S.mode) { case "recording": case "paused": return saveTake(); case "playing": S.cursor = S.elapsed; return setMode("saved"); } }, }; /* ── press physics ── */ function down(btn: HTMLElement, scale: number) { btn.classList.add("is-down"); animate(btn, { scale }, PRESS); animate(btn.querySelector(".prec__glyphs")!, { scale: 0.88 }, PRESS); click("down"); haptic(); } function up(btn: HTMLElement) { btn.classList.remove("is-down"); animate(btn, { scale: 1 }, RELEASE); animate(btn.querySelector(".prec__glyphs")!, { scale: 1 }, RELEASE); click("up"); } cleanups.push( press(kMain, (el) => { down(el as HTMLElement, 0.93); actions.main(); return () => up(el as HTMLElement); }), ); /* the side key taps to stop; on a saved take it becomes hold-to-clear */ type Hold = { anim: ReturnType; done?: boolean }; let hold: Hold | null = null; let holdShown = 0; const setHold = (v: number) => (holdRect.style.strokeDashoffset = String(1 - (holdShown = v))); function holdStart() { if (S.mode !== "saved") return false; const h = {} as Hold; h.anim = animate(holdShown, 1, { duration: 0.7 * (1 - holdShown), ease: "linear", onUpdate: setHold }); h.anim.then(() => { if (hold !== h || !alive) return; h.done = true; haptic(18); click("down", 1.2); animate(holdShown, 0, { duration: 0.35, delay: 0.15, onUpdate: setHold }); void clearTake(); }); hold = h; return true; } function holdEnd() { const h = hold; hold = null; if (!h || h.done) return; h.anim.stop(); animate(holdShown, 0, { ...SPRING, onUpdate: setHold }); flash("HOLD", 1000); } cleanups.push( press(kSide, (el) => { const btn = el as HTMLButtonElement; if (btn.disabled) { wiggle(btn); return; } down(btn, 0.95); const holding = holdStart(); if (!holding) actions.side(); return () => { up(btn); if (holding) holdEnd(); }; }), ); [kMain, kSide].forEach((btn) => cleanups.push( hover(btn, (el) => { const b = el as HTMLButtonElement; if (!b.classList.contains("is-down") && !b.disabled) animate(b, { scale: 1.03 }, SPRING); return () => { if (!b.classList.contains("is-down")) animate(b, { scale: 1 }, SPRING); }; }), ), ); /* ── scrubbing: drag the waveform or scroll over the card ── */ const canScrub = () => S.mode === "saved" || S.mode === "playing"; let lastTickIdx = -1; function scrubBy(sec: number) { S.cursor = clamp(S.cursor + sec, 0, S.elapsed); if (S.mode === "playing") { playFrom = S.cursor; playStart = performance.now(); } const idx = Math.floor(S.cursor / BAR_DT); if (idx !== lastTickIdx) { lastTickIdx = idx; click("tick"); } } let drag: { x: number; was: boolean } | null = null; listen(wave, "pointerdown", (e: PointerEvent) => { if (!canScrub()) return; wave.setPointerCapture(e.pointerId); wave.style.cursor = "grabbing"; drag = { x: e.clientX, was: S.mode === "playing" }; if (drag.was) setMode("saved"); }); listen(wave, "pointermove", (e: PointerEvent) => { if (!drag) return; const scale = frame.getBoundingClientRect().width / SIZE; const dx = (e.clientX - drag.x) / scale; drag.x = e.clientX; scrubBy((-dx / PITCH) * BAR_DT); }); const endDrag = () => { if (!drag) return; const { was } = drag; drag = null; wave.style.cursor = canScrub() ? "grab" : "default"; if (was && S.cursor < S.elapsed - 0.05) startPlayback(); }; listen(wave, "pointerup", endDrag); listen(wave, "pointercancel", endDrag); listen( card, "wheel", (e: WheelEvent) => { if (!canScrub()) return; e.preventDefault(); scrubBy((e.deltaY + e.deltaX) * 0.004); }, { passive: false }, ); /* * The keyboard: Space records, pauses and plays, S stops (hold it to clear * a saved take), and the arrows scrub. It listens on the card rather than * on the whole page, so it never swallows a Space meant to scroll. */ listen(root, "keydown", (e: KeyboardEvent) => { if (e.metaKey || e.ctrlKey || e.altKey) return; const k = e.key.toLowerCase(); if (k === "arrowleft" || k === "arrowright") { if (!canScrub()) return; e.preventDefault(); scrubBy(k === "arrowleft" ? -1 : 1); return; } if (k !== " " && k !== "s") return; e.preventDefault(); if (e.repeat) return; if (k === " ") { down(kMain, 0.93); actions.main(); later(110, () => up(kMain)); } else if (kSide.disabled) { wiggle(kSide); } else { down(kSide, 0.95); if (!holdStart()) { actions.side(); later(110, () => up(kSide)); } } }); listen(root, "keyup", (e: KeyboardEvent) => { if (e.key.toLowerCase() === "s" && hold) { up(kSide); holdEnd(); } }); /* ── the frame loop ── */ let raf = 0; let last = performance.now(); function tick(now: number) { if (!alive) return; const dt = Math.min(0.25, Math.max(0, (now - last) / 1000)); last = now; if (S.mode === "recording") { S.elapsed += dt; while (S.elapsed >= S.nextBarAt) { samples.push({ h: nextHeight(), t: now }); S.nextBarAt += BAR_DT; } } else if (S.mode === "playing") { S.cursor = clamp(playFrom + (now - playStart) / 1000, 0, S.elapsed); if (S.cursor >= S.elapsed) { S.cursor = S.elapsed; setMode("saved"); } } /* the waveform follows the head with feed-forward and a critically damped correction: exact while moving, and a glide across any jump */ const target = targetHead(); const moving = S.mode === "recording" || S.mode === "playing" ? 1 : 0; S.view += moving * dt; S.view += (target - S.view) * (1 - Math.exp(-dt * (reduceMotion ? 1e3 : 9))); renderWave(now); renderTimer(target); raf = requestAnimationFrame(tick); } /* ── boot ── */ renderTimer(0); setMode("idle"); if (reduceMotion) { card.style.opacity = "1"; } else { animate(card, { opacity: [0, 1], y: [28, 0], scale: [0.94, 1] }, SOFT); animate([kSide, kMain], { opacity: [0, 1], scale: [0.6, 1] }, { delay: stagger(0.08, { startDelay: 0.22 }), ...RELEASE }); animate([recDot, labelWrap, timerEl], { opacity: [0, 1], x: [-12, 0] }, { delay: stagger(0.06, { startDelay: 0.28 }), ...SPRING }); animate( dots.map((d) => d.el), { opacity: [0, 1], scaleY: [0, 1] }, { delay: stagger(0.016, { startDelay: 0.32 }), duration: 0.35 }, ); animate(playhead, { scaleY: [0, 1] }, { delay: 0.28, ...SPRING }); } if (autoFocus) root.focus({ preventScroll: true }); raf = requestAnimationFrame((t) => { last = t; raf = requestAnimationFrame(tick); }); return () => { alive = false; cancelAnimationFrame(raf); timers.forEach(clearTimeout); if (flashTimer) clearTimeout(flashTimer); dotBlink?.stop(); timerBlink?.stop(); cleanups.forEach((fn) => fn()); void ctx?.close().catch(() => {}); }; // eslint-disable-next-line react-hooks/exhaustive-deps }, [size]); const glyph = (name: string) => (el: HTMLElement | SVGSVGElement | null) => { glyphRefs.current[name] = el; }; return (

{/* ── the waveform ── */}

{/* progressive glass: each layer blurs harder and covers less, toward the edge */}

{/* ── status and timer ── */}

{/* ── controls ── */} {/* a continuous-curvature rim, drawn from the same path as the clip */}

); } 1d:T2a5d,/* =========================================================================== Recorder — a dark voice-recorder card with a scrolling waveform. Authored at 700 × 700 and scaled as one piece, so every position below is in that grid. The card's outline is a radius-200 superellipse, applied as a clip-path from the component, with a rim stroked from the same path. =========================================================================== */ .prec { /* dark: graphite, white bars, frosted edges */ --prec-bg: linear-gradient(90deg, rgba(0, 0, 0, 0.17) 0%, rgba(0, 0, 0, 0) 45%), linear-gradient(180deg, #262626 0%, #222222 45%, #1f1f1f 100%); --prec-bar: linear-gradient(180deg, #c4bade 0%, #eeebf8 7%, #fbfbfb 22%, #fbfbfb 78%, #eeebf8 93%, #c4bade 100%); --prec-track: #8f8f8f; --prec-tint-l: 29, 29, 29; --prec-tint-r: 35, 35, 35; --prec-sheen: rgba(255, 255, 255, 0.025); --prec-sheen-2: rgba(255, 255, 255, 0.015); --prec-playhead-ring: rgba(0, 0, 0, 0.55); --prec-label: #dedede; --prec-timer: #ececec; --prec-dot-idle: #5b5b5b; --prec-dot-saved: #bdbdbd; --prec-dot-play: #f2f2f2; --prec-side: linear-gradient(180deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.075) 100%); --prec-side-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.07), inset 0 -1px 0 rgba(0, 0, 0, 0.25); --prec-side-down: linear-gradient(180deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.05) 100%); --prec-side-down-shadow: inset 0 3px 8px rgba(0, 0, 0, 0.35), inset 0 -1px 0 rgba(255, 255, 255, 0.04); --prec-stop: linear-gradient(180deg, #e3dfde 0%, #d6d1d0 100%); --prec-stop-shadow: 0 1px 2px rgba(0, 0, 0, 0.25); --prec-clear: #e6e1e0; --prec-focus: rgba(255, 255, 255, 0.35); --prec-rim: #ffffff; --prec-rim-a: 0.32; --prec-rim-b: 0.04; display: grid; place-items: center; outline: none; -webkit-font-smoothing: antialiased; } .prec *, .prec *::before, .prec *::after { box-sizing: border-box; } .prec__fit { position: relative; } .prec__frame { position: absolute; top: 0; left: 0; width: 700px; height: 700px; transform-origin: top left; } .prec__card { position: absolute; inset: 0; isolation: isolate; opacity: 0; } .prec__bg { position: absolute; inset: 0; pointer-events: none; background: var(--prec-bg); } /* * Light: porcelain. The bars turn graphite and keep their lavender tips, the * glass edges are re-tinted to the paler card so the waveform still dissolves * into it, and the side key becomes a pressed-in well. The red key, the * playhead and the recording dot are the same in both — they are the product. */ .prec[data-theme="light"] { --prec-bg: linear-gradient(90deg, rgba(0, 0, 0, 0.035) 0%, rgba(0, 0, 0, 0) 45%), linear-gradient(180deg, #fbfbfa 0%, #f5f5f4 45%, #efefee 100%); --prec-bar: linear-gradient(180deg, #8d82b4 0%, #3b3848 7%, #242426 22%, #242426 78%, #3b3848 93%, #8d82b4 100%); --prec-track: #b9b9b9; --prec-tint-l: 238, 238, 237; --prec-tint-r: 246, 246, 245; --prec-sheen: rgba(255, 255, 255, 0.35); --prec-sheen-2: rgba(255, 255, 255, 0.2); --prec-playhead-ring: rgba(255, 255, 255, 0.9); --prec-label: #3d3d3d; --prec-timer: #1d1d1d; --prec-dot-idle: #c4c4c4; --prec-dot-saved: #6f6f6f; --prec-dot-play: #1d1d1d; --prec-side: linear-gradient(180deg, rgba(0, 0, 0, 0.065) 0%, rgba(0, 0, 0, 0.045) 100%); --prec-side-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.06), inset 0 -1px 0 rgba(255, 255, 255, 0.9); --prec-side-down: linear-gradient(180deg, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.08) 100%); --prec-side-down-shadow: inset 0 3px 8px rgba(0, 0, 0, 0.16), inset 0 -1px 0 rgba(255, 255, 255, 0.7); --prec-stop: linear-gradient(180deg, #3a3a3a 0%, #262626 100%); --prec-stop-shadow: 0 1px 2px rgba(0, 0, 0, 0.2); --prec-clear: #2c2c2c; --prec-focus: rgba(0, 0, 0, 0.25); --prec-rim: #000000; --prec-rim-a: 0.1; --prec-rim-b: 0.05; } /* ── the waveform ── */ .prec__wave { position: absolute; top: 60px; right: 0; left: 0; height: 350px; touch-action: none; user-select: none; } .prec__bars { position: absolute; inset: 0; overflow: hidden; } .prec__dots { position: absolute; inset: 0; } .prec__bar { position: absolute; top: 0; left: 0; width: 3px; height: 340px; border-radius: 2px; /* a solid body with faint lavender tips */ background: var(--prec-bar); transform-origin: 50% 50%; will-change: transform; } .prec__dot { position: absolute; top: 173px; width: 3px; height: 4px; border-radius: 2px; background: var(--prec-track); } /* * Progressive glass edges: six stacked backdrop blurs, each stronger than the * last but masked to a narrower band, so the blur ramps up toward the edge * instead of stepping. A tint on top lets the bars dissolve into it. */ .prec__edge { --to: to right; /* from the edge inward */ --tint: var(--prec-tint-l); position: absolute; top: -30px; bottom: -30px; width: 190px; pointer-events: none; } .prec__edge--l { left: 0; } .prec__edge--r { right: 0; --to: to left; --tint: var(--prec-tint-r); } .prec__edge > i { position: absolute; inset: 0; -webkit-mask-image: linear-gradient(var(--to), #000 var(--a), transparent var(--b)); mask-image: linear-gradient(var(--to), #000 var(--a), transparent var(--b)); } .prec__edge > i:nth-child(1) { --a: 45%; --b: 100%; backdrop-filter: blur(1px); } .prec__edge > i:nth-child(2) { --a: 32%; --b: 82%; backdrop-filter: blur(2.5px); } .prec__edge > i:nth-child(3) { --a: 22%; --b: 64%; backdrop-filter: blur(5px); } .prec__edge > i:nth-child(4) { --a: 12%; --b: 46%; backdrop-filter: blur(9px) saturate(120%); } .prec__edge > i:nth-child(5) { --a: 5%; --b: 30%; backdrop-filter: blur(16px) saturate(130%); } /* the last layer: the frosted tint and a faint sheen */ .prec__edge > i:nth-child(6) { --a: 0%; --b: 100%; background: linear-gradient(180deg, var(--prec-sheen), rgba(255, 255, 255, 0) 40%, var(--prec-sheen-2)), linear-gradient(var(--to), rgba(var(--tint), 0.6) 0%, rgba(var(--tint), 0.28) 35%, rgba(var(--tint), 0) 100%); -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 14%, #000 86%, transparent 100%); mask-image: linear-gradient(180deg, transparent 0%, #000 14%, #000 86%, transparent 100%); } @supports not (backdrop-filter: blur(1px)) { .prec__edge > i:nth-child(6) { background: linear-gradient(var(--to), rgba(var(--tint), 0.92), rgba(var(--tint), 0)); } } .prec__playhead { position: absolute; top: 46px; left: 378px; width: 4px; height: 258px; border-radius: 999px; pointer-events: none; background: linear-gradient(90deg, #e8412f 0%, #ff8a6e 50%, #e8412f 100%); box-shadow: 0 0 0 1.5px var(--prec-playhead-ring), 0 0 12px 2px rgba(255, 70, 50, 0.3); } /* ── status and timer ── */ .prec__recDot { position: absolute; top: 505px; left: 64px; width: 16px; height: 16px; border-radius: 999px; background: radial-gradient(circle at 40% 38%, #f36b5c 0%, #e24a3a 60%, #cf3b2e 100%); } .prec__label { position: absolute; top: 494px; left: 107px; width: 230px; height: 36px; overflow: hidden; color: var(--prec-label); font-family: "Roboto Mono", ui-monospace, "Cascadia Mono", monospace; font-size: 30px; font-weight: 500; line-height: 36px; letter-spacing: 0.15em; } .prec__labelText { position: absolute; top: 0; left: 0; white-space: nowrap; } .prec__timer { position: absolute; top: 549px; left: 62px; display: flex; color: var(--prec-timer); font-family: "Roboto Mono", ui-monospace, "Cascadia Mono", monospace; font-size: 56px; font-weight: 500; line-height: 1; } .prec__slot { position: relative; display: inline-block; width: 0.6em; height: 1.05em; overflow: hidden; } .prec__slot > span { position: absolute; inset: 0; display: block; text-align: center; } /* a mono colon is a full cell; pull the neighbours in so it sits centred */ .prec__colon { display: inline-block; width: 0.6em; height: 1.05em; margin-inline: -0.115em; text-align: center; } /* ── controls ── */ .prec__side, .prec__main { position: absolute; padding: 0; border: 0; border-radius: 999px; outline: none; cursor: pointer; touch-action: manipulation; -webkit-tap-highlight-color: transparent; transition: background 140ms ease, box-shadow 140ms ease; } .prec__glyphs { position: absolute; inset: 0; display: grid; place-items: center; } .prec__glyph { position: absolute; } .prec__side { top: 469px; left: 349px; width: 107px; height: 171px; background: var(--prec-side); box-shadow: var(--prec-side-shadow); } .prec__side.is-down { background: var(--prec-side-down); box-shadow: var(--prec-side-down-shadow); } .prec__side:disabled { cursor: default; } .prec__side:focus-visible { box-shadow: 0 0 0 3px var(--prec-focus); } .prec__hold { position: absolute; inset: 0; pointer-events: none; } .prec__stop { width: 41px; height: 41px; border-radius: 9px; background: var(--prec-stop); box-shadow: var(--prec-stop-shadow); } .prec__clear { color: var(--prec-clear); } /* the solid red key: a lit top and a shaded base, no outer shadow */ .prec__main { top: 472px; left: 472px; width: 163px; height: 163px; background: radial-gradient(120% 90% at 50% 0%, rgba(255, 255, 255, 0.16) 0%, rgba(255, 255, 255, 0) 55%), linear-gradient(180deg, #f5423f 0%, #ee302d 55%, #dd2522 100%); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22), inset 0 -2px 4px rgba(110, 0, 0, 0.2); } .prec__main.is-down { background: radial-gradient(120% 90% at 50% 0%, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0) 55%), linear-gradient(180deg, #df2c29 0%, #e3302d 100%); box-shadow: inset 0 3px 8px rgba(80, 0, 0, 0.4), inset 0 -1px 0 rgba(255, 255, 255, 0.08); } .prec__main:focus-visible { box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22), 0 0 0 3px var(--prec-focus); } .prec__recGlyph { width: 34px; height: 34px; border-radius: 999px; background: #f6e2e1; } .prec__pause { display: flex; gap: 10px; } .prec__pause > span { display: block; width: 12px; height: 36px; border-radius: 4px; background: #f3dedd; } .prec__rim { position: absolute; inset: 0; pointer-events: none; } /* the rim catches light from above: bright on the dark card, a soft line on the light one */ .prec__rimStop { stop-color: var(--prec-rim); } .prec__rimStop--0 { stop-opacity: var(--prec-rim-a); } .prec__rimStop--1 { stop-opacity: var(--prec-rim-b); } .prec__rimStop--2 { stop-opacity: 0; } @media (prefers-reduced-motion: reduce) { .prec *, .prec *::before, .prec *::after { transition-duration: 0.01ms !important; } } 13:[[["$","script","0",{"type":"application/ld+json","dangerouslySetInnerHTML":{"__html":"{\"@context\":\"https://schema.org\",\"@type\":\"SoftwareSourceCode\",\"name\":\"Recorder — Pin UI\",\"description\":\"A voice recorder with a waveform that scrolls under the playhead. 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The waveform is a fixed pool of bars driven by one frame loop, fading into progressive glass at both edges, and every key presses with real travel and a synthesised click. No microphone: the signal is generated, so it works anywhere.","highlights":["Scrub by drag or scroll","Hold to clear","Rolling timer","Light and dark"],"clip":"/clips/loop/recorder.mp4","poster":"/clips/loop/recorder.jpg","hero":false,"sound":true,"zoom":1.1,"stage":"#e2e2e1","stageDark":"#363636","clipStage":"#363636","usage":"import Recorder from \"@/components/library/Recorder\";\n\n console.log(seconds)} />","props":[{"name":"size","type":"number","fallback":"360","note":"How wide the card is drawn. It shrinks further to fit a small screen."},{"name":"sound","type":"boolean","fallback":"true","note":"A tactile click on every press and a tick as you scrub, synthesised at play time."},{"name":"autoFocus","type":"boolean","fallback":"false","note":"Take the keyboard on mount, so Space and S work straight away."},{"name":"theme","type":"\"light\" | \"dark\"","fallback":"\"dark\"","note":"Graphite with white bars, or porcelain with graphite bars. The red key is the same in both."},{"name":"onSave","type":"(seconds) => void","note":"Fired when a take is saved, with its length."}],"files":[{"name":"Recorder.tsx","lang":"tsx"},{"name":"recorder.css","lang":"css"}],"info":{"paragraphs":["The red key records, pauses and resumes; the side key stops and saves the take, which ripples through the waveform as it lands. On a saved take the red key plays it back, the bars ahead of the playhead dimmed, and the side key turns into hold-to-clear: a ring draws itself around it, and letting go early cancels. Drag the waveform, scroll over the card or use the arrow keys to scrub — Space and S work too.","The waveform is one pool of bars that scroll under a fixed playhead, all drawn from a single frame loop, so nothing is made or thrown away while it runs. Each bar springs up as it is born, and the edges dissolve through six stacked backdrop blurs that grow stronger toward the rim. The timer's digits roll through a blur, the glyphs on the keys morph with a twist, and there is no microphone: the signal is generated speech-shaped noise, so the card works anywhere."]},"origin":{"label":"Recorder"}},"panes":[{"name":"Recorder.tsx","lang":"tsx","code":"$1c"},{"name":"recorder.css","lang":"css","code":"$1d"}],"registryUrl":"https://www.pinui.xyz/r/recorder.json"}]]

Recorder — Pin UI Component