51: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"] 52: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"] 53:T19c8,"use client"; import { useEffect, useRef, type ReactNode, type KeyboardEvent } from "react"; import { line, curveMonotoneX } from "d3-shape"; import "./chart-parts.css"; export type ChartSeries = { id: string; label: string; color?: string }; export type ChartDatum = { id: string; label: string; values: Record; x?: number; event?: string; }; export type ChartPart = { id: string; label: string; value: number; color?: string; }; export const chartColor = (index: number) => `var(--chart-${(index % 6) + 1})`; export const numberText = (value: number) => new Intl.NumberFormat("en-US", { maximumFractionDigits: 2 }).format(value); export function useChartReveal() { const root = useRef(null); useEffect(() => { const element = root.current; if (!element) return; const observer = new IntersectionObserver( (entries) => { if (entries[0].isIntersecting) { element.dataset.visible = "true"; observer.disconnect(); } }, { threshold: 0.3 }, ); observer.observe(element); return () => observer.disconnect(); }, []); return root; } export function ChartTable({ label, headers, rows, }: { label: string; headers: string[]; rows: (string | number)[][]; }) { return (

{headers.map((header) => ( ))} {rows.map((row, index) => ( {row.map((cell, column) => column === 0 ? ( ) : ( ), )} ))}

{label}
{header}
{cell}	{cell}

); } export function ChartMessage({ loading, error, empty, }: { loading?: boolean; error?: string; empty?: boolean; }) { return error || empty ? (

{error ?? (loading ? "Loading chart…" : "No data for this range.")}

) : loading ? (

Updating chart…

) : null; } export function ChartLegend({ series, hidden, onToggle, active, onActive, }: { series: readonly ChartSeries[]; hidden: readonly string[]; onToggle: (id: string) => void; active?: string | null; onActive?: (id: string | null) => void; }) { return (

legendKeys(event)} > {series.map((item, index) => ( ))}

); } export function legendKeys(event: KeyboardEvent) { const nodes = [ ...event.currentTarget.querySelectorAll("button"), ]; const index = nodes.indexOf(document.activeElement as HTMLButtonElement); const target = event.key === "Home" ? 0 : event.key === "End" ? nodes.length - 1 : ["ArrowRight", "ArrowDown"].includes(event.key) ? (index + 1) % nodes.length : ["ArrowLeft", "ArrowUp"].includes(event.key) ? (index - 1 + nodes.length) % nodes.length : -1; if (target >= 0) { event.preventDefault(); nodes[target]?.focus(); } } export function pointKey( event: KeyboardEvent, active: number | null, length: number, ) { const index = active ?? length - 1; const step = Math.max(1, Math.floor(length / 6)); const next = event.key === "Home" ? 0 : event.key === "End" ? length - 1 : event.key === "PageUp" ? index + step : event.key === "PageDown" ? index - step : ["ArrowRight", "ArrowUp"].includes(event.key) ? index + 1 : ["ArrowLeft", "ArrowDown"].includes(event.key) ? index - 1 : event.key === "Escape" ? null : undefined; if (next !== undefined) event.preventDefault(); return next == null ? next : Math.max(0, Math.min(length - 1, next)); } export function pathFor( data: readonly ChartDatum[], id: string, minimum: number, maximum: number, hidden = false, ) { if (!data.length) return ""; const first = data[0].x ?? 0, last = data[data.length - 1].x ?? data.length - 1; const points = data.map((item, index) => ({ x: (600 * ((item.x ?? index) - first)) / (last - first || 1), y: item.values[id], })); const samples = Array.from({ length: 97 }, (_, index) => { const x = (index / 96) * 600; let right = points.findIndex((point) => point.x >= x); if (right < 0) right = points.length - 1; const a = points[Math.max(0, right - 1)], b = points[right]; const valid = a.y !== undefined && b.y !== undefined && Number.isFinite(a.y) && Number.isFinite(b.y); const value = valid ? a.y! + ((b.y! - a.y!) * (x - a.x)) / (b.x - a.x || 1) : Number.NaN; return [ x, hidden ? 210 : 210 - ((value - minimum) / (maximum - minimum || 1)) * 200, ] as [number, number]; }); return ( line<[number, number]>() .defined((point) => Number.isFinite(point[1])) .x((point) => point[0]) .y((point) => point[1]) .curve(curveMonotoneX)(samples) ?? "" ); } export function ChartReadout({ children }: { children: ReactNode }) { return ( ); } 54:T1aa5,"use client"; import { useState, type CSSProperties } from "react"; import { ChartMessage, ChartReadout, ChartTable, legendKeys, numberText, useChartReveal, } from "./chart-parts"; import { cn } from "./lib/cn"; import "./volume-profile.css"; export type VolumeBin = { price: number; buy: number; sell: number }; /** Point of control plus the smallest contiguous band holding `share` of volume. */ export function valueArea(totals: readonly number[], share = 0.7) { const sum = totals.reduce((a, b) => a + b, 0); if (!sum) return null; const poc = totals.reduce((best, v, i) => (v > totals[best] ? i : best), 0); let low = poc, high = poc, held = totals[poc]; while (held < sum * share && (low > 0 || high < totals.length - 1)) { const below = low > 0 ? totals[low - 1] : -1, above = high < totals.length - 1 ? totals[high + 1] : -1; if (above >= below) held += totals[++high]; else held += totals[--low]; } return { poc, low, high, held: held / sum }; } export function VolumeProfile({ label, data, current, areaShare = 0.7, formatPrice = (price) => price.toFixed(2), formatVolume = numberText, loading, error, className, }: { label: string; data: readonly VolumeBin[]; /** Last traded price, marked on the nearest level. */ current?: number; areaShare?: number; formatPrice?: (price: number) => string; formatVolume?: (volume: number) => string; loading?: boolean; error?: string; className?: string; }) { const root = useChartReveal(); const [reading, setReading] = useState(null), [cursor, setCursor] = useState(null); // Highest price first, like a price axis. const bins = data .map((bin) => ({ price: bin.price, buy: Number.isFinite(bin.buy) ? Math.max(0, bin.buy) : 0, sell: Number.isFinite(bin.sell) ? Math.max(0, bin.sell) : 0, })) .sort((a, b) => b.price - a.price); const totals = bins.map((bin) => bin.buy + bin.sell); const area = valueArea(totals, areaShare); const max = Math.max(...totals, 0); const nearest = current === undefined || !bins.length ? -1 : bins.reduce((best, bin, i) => (Math.abs(bin.price - current) < Math.abs(bins[best].price - current) ? i : best), 0); const roving = cursor ?? area?.poc ?? 0; const bin = reading === null ? null : bins[reading]; const all = totals.reduce((a, b) => a + b, 0); const buyShare = (b: { buy: number; sell: number }) => (b.buy + b.sell ? (b.buy / (b.buy + b.sell)) * 100 : 0); const inArea = (i: number) => !!area && i >= area.low && i <= area.high; return (

{label}

{!error && !!all && ( <>

setReading(null)} > {bins.map((item, i) => ( ))}

{bin ? ( <> {formatPrice(bin.price)} · {formatVolume(bin.buy + bin.sell)} traded

{buyShare(bin).toFixed(0)}% buy · {formatVolume(bin.buy)} bought, {formatVolume(bin.sell)} sold {reading !== null && area?.poc === reading ? " · point of control" : inArea(reading!) ? " · value area" : ""}

) : area ? ( <> Most traded at {formatPrice(bins[area.poc].price)}

{(area.held * 100).toFixed(0)}% of volume between {formatPrice(bins[area.high].price)} and {formatPrice(bins[area.low].price)}

) : null}

{bin ? `${formatPrice(bin.price)}: ${formatVolume(bin.buy + bin.sell)} traded, ${buyShare(bin).toFixed(0)} percent buy.` : ""}

)} [formatPrice(item.price), item.buy, item.sell, item.buy + item.sell])} /> ); } 55:T9c2,/* volume-profile.tsx's styles; it imports this file. Edit freely. */ @layer theme, base, components, utilities; @layer components { [data-slot="profile-levels"] { display: grid; gap: 1px; } [data-slot="profile-row"] { display: grid; grid-template-columns: 4.5rem minmax(0, 1fr); align-items: center; height: 1.5rem; padding: 0 0.25rem; border-radius: var(--radius-control); font-size: 0.75rem; font-variant-numeric: tabular-nums; color: var(--muted-foreground); outline: none; transition: background-color var(--duration-fast) var(--ease-out); } [data-slot="profile-row"][data-area="true"] { background: color-mix(in srgb, var(--muted) 70%, transparent); color: var(--foreground); } [data-slot="profile-row"]:hover, [data-slot="profile-row"]:focus-visible { background: var(--muted); color: var(--foreground); } [data-slot="profile-row"]:focus-visible { outline: 2px solid var(--ring); outline-offset: -2px; } [data-slot="profile-row"][data-current="true"] [data-slot="profile-price"] { font-weight: 600; color: var(--foreground); } [data-slot="profile-row"][data-current="true"] { box-shadow: inset 0 1px 0 var(--foreground), inset 0 -1px 0 var(--foreground); } [data-slot="profile-track"] { display: flex; align-items: center; gap: 0.5rem; height: 100%; } [data-slot="profile-bar"] { display: flex; height: 70%; overflow: hidden; border-radius: 2px; transition: width var(--duration-travel) var(--ease-showcase); } [data-slot="profile-bar"] > span { flex-basis: 0; min-width: 0; transition: flex-grow var(--duration-travel) var(--ease-showcase); } [data-slot="profile-tag"] { font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.04em; color: var(--foreground); } [data-slot="volume-profile"][data-visible="true"] [data-slot="profile-bar"] { transform-origin: left; animation: caliper-profile-open var(--duration-showcase) var(--ease-showcase) backwards; animation-delay: calc(min(var(--row-index, 0), 20) * 20ms); } [data-slot="volume-profile"][aria-busy="true"] [data-slot="profile-levels"] { opacity: 0.5; } @media (prefers-reduced-motion: reduce) { [data-slot="profile-bar"], [data-slot="profile-bar"] > span { transition: none; animation: none !important; } } @keyframes caliper-profile-open { from { scale: 0 1; } } } 50:["$","div",null,{"className":"mt-3 flex min-h-0 min-w-0 flex-1 flex-col gap-3","children":[["$","div",null,{"className":"flex shrink-0 items-start gap-3","children":[["$","div",null,{"className":"flex max-h-28 min-w-0 flex-1 flex-wrap items-center gap-2 overflow-y-auto","children":[["$","ul",null,{"className":"flex min-w-0 flex-wrap gap-2","aria-label":"Package dependencies","children":[["$","li","clsx",{"className":"min-w-0 max-w-full","children":["$","a",null,{"href":"https://www.npmjs.com/package/clsx","target":"_blank","rel":"noopener noreferrer","className":"flex max-w-full min-w-0 items-center gap-1.5 rounded-md border px-2 py-1.5 text-xs","children":[["$","svg",null,{"viewBox":"0 0 24 24","className":"size-3 shrink-0","children":["$","path",null,{"d":"M1.763 0C.786 0 0 .786 0 1.763v20.474C0 23.214.786 24 1.763 24h20.474c.977 0 1.763-.786 1.763-1.763V1.763C24 .786 23.214 0 22.237 0zM5.13 5.323l13.837.019-.009 13.836h-3.464l.01-10.382h-3.456L12.04 19.17H5.113z","fill":"currentColor"}]}],["$","span",null,{"className":"min-w-0 break-all text-xs font-medium","children":"clsx"}]]}]}],["$","li","d3-shape",{"className":"min-w-0 max-w-full","children":["$","a",null,{"href":"https://www.npmjs.com/package/d3-shape","target":"_blank","rel":"noopener noreferrer","className":"flex max-w-full min-w-0 items-center gap-1.5 rounded-md border px-2 py-1.5 text-xs","children":[["$","svg",null,{"viewBox":"0 0 24 24","className":"size-3 shrink-0","children":["$","path",null,{"d":"M1.763 0C.786 0 0 .786 0 1.763v20.474C0 23.214.786 24 1.763 24h20.474c.977 0 1.763-.786 1.763-1.763V1.763C24 .786 23.214 0 22.237 0zM5.13 5.323l13.837.019-.009 13.836h-3.464l.01-10.382h-3.456L12.04 19.17H5.113z","fill":"currentColor"}]}],["$","span",null,{"className":"min-w-0 break-all text-xs font-medium","children":"d3-shape"}]]}]}],["$","li","tailwind-merge",{"className":"min-w-0 max-w-full","children":["$","a",null,{"href":"https://www.npmjs.com/package/tailwind-merge","target":"_blank","rel":"noopener noreferrer","className":"flex max-w-full min-w-0 items-center gap-1.5 rounded-md border px-2 py-1.5 text-xs","children":[["$","svg",null,{"viewBox":"0 0 24 24","className":"size-3 shrink-0","children":["$","path",null,{"d":"M1.763 0C.786 0 0 .786 0 1.763v20.474C0 23.214.786 24 1.763 24h20.474c.977 0 1.763-.786 1.763-1.763V1.763C24 .786 23.214 0 22.237 0zM5.13 5.323l13.837.019-.009 13.836h-3.464l.01-10.382h-3.456L12.04 19.17H5.113z","fill":"currentColor"}]}],["$","span",null,{"className":"min-w-0 break-all text-xs font-medium","children":"tailwind-merge"}]]}]}]]}],["$","$L51",null,{"namespace":"@caliper","registryDependencies":["https://caliperui.site/r/styles.json"]}]]}],null]}],["$","$L52",null,{"files":[{"path":"ui/chart-parts.tsx","content":"$53","type":"registry:ui","target":"components/ui/chart-parts.tsx"},{"path":"ui/lib/cn.ts","content":"import { clsx, type ClassValue } from \"clsx\";\nimport { extendTailwindMerge } from \"tailwind-merge\";\n\nconst twMerge = extendTailwindMerge({\n extend: { theme: { radius: [\"control\", \"surface\", \"overlay\"], shadow: [\"overlay\"] } },\n});\n\nexport function cn(...inputs: ClassValue[]) {\n return twMerge(clsx(inputs));\n}\n","type":"registry:ui","target":"components/ui/lib/cn.ts"},{"path":"ui/volume-profile.tsx","content":"$54","type":"registry:ui","target":"components/ui/volume-profile.tsx"},{"path":"ui/chart-parts.css","content":"/* chart-parts.tsx's styles; 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