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dist/index.cjs

		@@ -1,2 +0,2 @@
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_e(e){return{...e,candleUp:X.up,candleDown:X.down,candleUpWick:X.up,candleDownWick:X.down,volumeUp:`rgba(255, 0, 0, 0.3)`,volumeDown:`rgba(0, 0, 255, 0.3)`}}function ve(e,t){if(!t.priceLimits?.enabled\|\|!t.priceLimits.ceilingPercent)return null;let n=t.priceLimits.ceilingPercent/100,r=(t.priceLimits.floorPercent??t.priceLimits.ceilingPercent)/100;return{ceiling:e(1+n),floor:e(1-r),reference:e}}function ye(e){let t=new Date,n=`${String(t.getHours()).padStart(2,`0`)}:${String(t.getMinutes()).padStart(2,`0`)}`;for(let t of e)if(n>=t.startTime&&n<t.endTime)return t;return null}exports.DARK_TERMINAL=U,exports.DARK_THEME=H,exports.DEFAULT_BAR_SPACING=I,exports.DEFAULT_BAR_WIDTH=F,exports.DEFAULT_CHART_OPTIONS=A,exports.DEFAULT_DRAWING_STYLE=t,exports.DEFAULT_PANEL_HEIGHT=B,exports.DEFAULT_RECONNECT=a,exports.DEFAULT_SIGNAL_STYLE=r,exports.DEFAULT_STREAM_CONFIG=o,exports.DEFAULT_TIMEFRAME_FAVORITES=P,exports.DEFAULT_TRADE_ZONE_STYLE=i,exports.DEFAULT_TRADING_CONFIG=n,exports.HNX_SESSIONS=Q,exports.HOSE_SESSIONS=Z,exports.LIGHT_THEME=ae,exports.LayerType=e,exports.MARKET_CRYPTO=ge,exports.MARKET_HNX=me,exports.MARKET_HOSE=pe,exports.MARKET_NYSE=$,exports.MARKET_UPCOM=he,exports.MIN_PANEL_HEIGHT=z,exports.PRICE_AXIS_WIDTH=L,exports.TIMEFRAMES_CRYPTO=j,exports.TIMEFRAMES_FOREX=N,exports.TIMEFRAMES_STOCK=M,exports.TIME_AXIS_HEIGHT=R,exports.VN_COLORS=X,exports.alignToTimeframe=ne,exports.clamp=s,exports.computePriceLimits=ve,exports.computePriceRange=_,exports.computeTickStep=f,exports.createVNTheme=_e,exports.detectPrecision=k,exports.en=W,exports.findBarIndex=g,exports.formatNumber=Y,exports.formatPrice=E,exports.formatPriceScaleLabel=D,exports.formatTimestamp=te,exports.formatVND=de,exports.formatVolume=O,exports.formatVolumeLoc=fe,exports.getCurrentSession=ye,exports.getLocale=se,exports.getLocaleStrings=ue,exports.hexToRgba=y,exports.inverseLerp=l,exports.lerp=c,exports.lerpColor=x,exports.mergeBar=v,exports.niceNumber=d,exports.normalizeBar=m,exports.normalizeBarTime=p,exports.registerLocale=le,exports.roundToStep=u,exports.setLocale=oe,exports.sliceVisibleData=h,exports.t=ce,exports.timeParts=re,exports.timeframeBucketStart=T,exports.timeframeToMs=ee,exports.tzLabel=ie,exports.vi=G,exports.withAlpha=b;
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dist/index.cjs.map

		@@ -1,1 +0,1 @@
		{"version":3,"file":"index.cjs","names":[],"sources":["../src/types/rendering.ts","../src/types/drawing.ts","../src/types/trading.ts","../src/types/signal.ts","../src/types/realtime.ts","../src/utils/math.ts","../src/utils/data.ts","../src/utils/color.ts","../src/utils/time.ts","../src/utils/precision.ts","../src/constants/defaults.ts","../src/constants/themes.ts","../src/i18n/en.ts","../src/i18n/vi.ts","../src/i18n/index.ts","../src/market/presets.ts"],"sourcesContent":["export interface Point {\n x: number;\n y: number;\n}\n\nexport interface Size {\n width: number;\n height: number;\n}\n\nexport interface Rect {\n x: number;\n y: number;\n width: number;\n height: number;\n}\n\nexport interface ViewportState {\n visibleRange: { from: number; to: number };\n priceRange: { min: number; max: number };\n barWidth: number;\n barSpacing: number;\n offset: number;\n chartRect: Rect;\n logScale?: boolean;\n /*\n Optional reference to the current bar series. When set, drawings/indicators\n * treat `anchor.time` as a real timestamp and convert to bar index via\n * `timestampToBarIndex(time, data)` at render/hit-test time. This lets\n * anchors survive timeframe / symbol switches like TradingView. When unset,\n * `anchor.time` is treated as a raw bar index (legacy behavior).\n /\n data?: ReadonlyArray<{ time: number }>;\n}\n\nexport enum LayerType {\n Background = 0,\n Main = 1,\n Panel = 2,\n Overlay = 3,\n UI = 4,\n}\n","import type { Point, ViewportState } from './rendering.js';\n\nexport type DrawingToolType =\n \| 'trendLine' \| 'horizontalLine' \| 'verticalLine' \| 'ray' \| 'extendedLine'\n \| 'parallelChannel' \| 'regressionChannel'\n \| 'fibRetracement' \| 'fibExtension' \| 'fibTimeZones'\n \| 'rectangle' \| 'ellipse' \| 'triangle'\n \| 'pitchfork' \| 'elliottWave'\n \| 'priceRange' \| 'dateRange' \| 'measure'\n \| 'text' \| 'arrow'\n \| 'gannFan' \| 'gannBox'\n \| 'anchoredVWAP'\n \| 'volumeProfileRange';\n\nexport interface AnchorPoint {\n time: number;\n price: number;\n}\n\nexport interface DrawingStyle {\n color: string;\n lineWidth: number;\n lineStyle: 'solid' \| 'dashed' \| 'dotted';\n fillColor?: string;\n fillOpacity?: number;\n fontSize?: number;\n text?: string;\n}\n\nexport interface DrawingState {\n id: string;\n type: DrawingToolType;\n anchors: AnchorPoint[];\n style: DrawingStyle;\n visible: boolean;\n locked: boolean;\n meta?: Record<string, unknown>;\n}\n\nexport interface DrawingDescriptor {\n type: DrawingToolType;\n name: string;\n requiredAnchors: number;\n singleClick?: boolean;\n}\n\nexport interface DrawingPlugin {\n descriptor: DrawingDescriptor;\n render(\n ctx: CanvasRenderingContext2D,\n state: DrawingState,\n viewport: ViewportState,\n selected: boolean,\n ): void;\n hitTest(\n point: Point,\n state: DrawingState,\n viewport: ViewportState,\n tolerance: number,\n ): boolean;\n hitTestAnchor(\n point: Point,\n state: DrawingState,\n viewport: ViewportState,\n tolerance: number,\n ): number;\n}\n\nexport const DEFAULT_DRAWING_STYLE: DrawingStyle = {\n color: '#2196F3',\n lineWidth: 1,\n lineStyle: 'solid',\n fillColor: 'rgba(33, 150, 243, 0.1)',\n fillOpacity: 0.1,\n fontSize: 12,\n};\n","export type OrderSide = 'buy' \| 'sell';\r\nexport type OrderType = 'market' \| 'limit' \| 'stop' \| 'stopLimit';\r\nexport type OrderStatus = 'pending' \| 'filled' \| 'cancelled' \| 'rejected';\r\nexport type OrderLabel = 'LIMIT' \| 'STOP' \| 'SL' \| 'TP' \| 'STOP LIMIT';\r\n\r\nexport interface TradingOrder {\r\n id: string;\r\n side: OrderSide;\r\n type: OrderType;\r\n price: number;\r\n stopPrice?: number;\r\n quantity: number;\r\n label?: OrderLabel;\r\n draggable?: boolean;\r\n meta?: Record<string, unknown>;\r\n}\r\n\r\nexport interface TradingPosition {\r\n id: string;\r\n side: OrderSide;\r\n entryPrice: number;\r\n quantity: number;\r\n /* Quantity already closed (for partial-close visualization). 0 ≤ closedQuantity ≤ quantity. /\r\n closedQuantity?: number;\r\n stopLoss?: number;\r\n takeProfit?: number;\r\n meta?: Record<string, unknown>;\r\n}\r\n\r\n/* Threshold-based P&L color stop. Sorted ascending by `pnl` is recommended. /\r\nexport interface PnLThreshold {\r\n /* Inclusive lower bound. Use -Infinity for the bottom-most stop. /\r\n pnl: number;\r\n color: string;\r\n}\r\n\r\n/* Tokens passed to position label templates. /\r\nexport interface PositionLabelContext {\r\n side: OrderSide;\r\n quantity: number;\r\n closedQuantity: number;\r\n openQuantity: number;\r\n entryPrice: number;\r\n currentPrice: number;\r\n pnl: number;\r\n pnlPct: number;\r\n precision: number;\r\n}\r\n\r\nexport interface DepthLevel {\r\n price: number;\r\n volume: number;\r\n}\r\n\r\nexport interface DepthData {\r\n bids: DepthLevel[];\r\n asks: DepthLevel[];\r\n}\r\n\r\nexport interface TradingConfig {\r\n enabled: boolean;\r\n orderColors?: { buy?: string; sell?: string };\r\n positionColors?: { profit?: string; loss?: string; entry?: string };\r\n /\r\n Optional gradient of colors keyed to P&L value. When provided, the rendered\r\n * position zone uses the color of the highest threshold whose `pnl` ≤ live P&L.\r\n * Falls back to `positionColors.profit`/`.loss` when unset.\r\n /\r\n pnlThresholds?: PnLThreshold[];\r\n /\r\n Position P&L label template. Supports tokens: {side} {qty} {closedQty}\r\n * {openQty} {entry} {price} {pnl} {pnlPct} {pnlSign}. Pass a function for\r\n * full control. Default: `{side} {qty} \| P&L: {pnlSign}{pnl}`.\r\n /\r\n positionLabel?: string \| ((ctx: PositionLabelContext) => string);\r\n depthOverlay?: {\r\n enabled?: boolean;\r\n bidColor?: string;\r\n askColor?: string;\r\n maxWidth?: number;\r\n };\r\n contextMenu?: { enabled?: boolean };\r\n pricePrecision?: number;\r\n dragThreshold?: number;\r\n}\r\n\r\nexport interface OrderPlaceIntent {\r\n side: OrderSide;\r\n type: OrderType;\r\n price: number;\r\n stopPrice?: number;\r\n quantity?: number;\r\n}\r\n\r\nexport interface OrderModifyIntent {\r\n orderId: string;\r\n newPrice: number;\r\n previousPrice: number;\r\n}\r\n\r\nexport interface OrderCancelIntent {\r\n orderId: string;\r\n}\r\n\r\nexport interface PositionModifyIntent {\r\n positionId: string;\r\n stopLoss?: number;\r\n takeProfit?: number;\r\n}\r\n\r\nexport interface PositionCloseIntent {\r\n positionId: string;\r\n}\r\n\r\nexport const DEFAULT_TRADING_CONFIG: TradingConfig = {\r\n enabled: true,\r\n orderColors: { buy: '#26A69A', sell: '#EF5350' },\r\n positionColors: { profit: '#26A69A', loss: '#EF5350', entry: '#2196F3' },\r\n depthOverlay: { enabled: false, bidColor: 'rgba(38,166,154,0.15)', askColor: 'rgba(239,83,80,0.15)', maxWidth: 100 },\r\n contextMenu: { enabled: true },\r\n pricePrecision: 2,\r\n dragThreshold: 3,\r\n};\r\n","export type SignalDirection = 'long' \| 'short' \| 'neutral';\n\nexport interface SignalMarker {\n id: string;\n time: number;\n price: number;\n direction: SignalDirection;\n confidence: number;\n source: string;\n label?: string;\n color?: string;\n meta?: Record<string, unknown>;\n}\n\nexport interface SignalMarkerStyle {\n longColor?: string;\n shortColor?: string;\n neutralColor?: string;\n arrowSize?: number;\n showLabel?: boolean;\n showConfidence?: boolean;\n sourceColors?: Record<string, string>;\n}\n\nexport const DEFAULT_SIGNAL_STYLE: SignalMarkerStyle = {\n longColor: '#26A69A',\n shortColor: '#EF5350',\n neutralColor: '#9E9E9E',\n arrowSize: 12,\n showLabel: true,\n showConfidence: true,\n};\n\nexport type TradeZoneDirection = 'long' \| 'short';\n\nexport interface TradeZone {\n id: string;\n entryTime: number;\n entryPrice: number;\n exitTime?: number;\n exitPrice?: number;\n direction: TradeZoneDirection;\n pnl?: number;\n pnlPercent?: number;\n label?: string;\n meta?: Record<string, unknown>;\n}\n\nexport interface TradeZoneStyle {\n profitColor?: string;\n lossColor?: string;\n activeColor?: string;\n fillOpacity?: number;\n borderWidth?: number;\n showLabel?: boolean;\n showPnl?: boolean;\n}\n\nexport const DEFAULT_TRADE_ZONE_STYLE: TradeZoneStyle = {\n profitColor: '#26A69A',\n lossColor: '#EF5350',\n activeColor: '#2196F3',\n fillOpacity: 0.12,\n borderWidth: 1,\n showLabel: true,\n showPnl: true,\n};\n","import type { OHLCBar, TimeFrame } from './ohlc.js';\n\n// --- Connection ---\n\nexport type ConnectionState = 'disconnected' \| 'connecting' \| 'connected' \| 'reconnecting' \| 'error';\n\nexport interface ConnectionInfo {\n state: ConnectionState;\n latency?: number;\n reconnectAttempt?: number;\n lastMessageTime?: number;\n error?: string;\n}\n\n// --- Ticks & Trades ---\n\nexport interface RawTick {\n time: number;\n price: number;\n volume: number;\n side?: 'buy' \| 'sell';\n}\n\nexport interface AggregatedBar extends OHLCBar {\n closed: boolean; // true when bar is finalized\n tickCount: number; // number of ticks in this bar\n}\n\n// --- Data Adapter (Strategy Pattern) ---\n\nexport interface DataAdapterConfig {\n symbol: string;\n timeframe: TimeFrame;\n reconnect?: boolean; // default: true\n reconnectMaxRetries?: number; // default: Infinity\n reconnectBaseDelay?: number; // ms, default: 1000\n reconnectMaxDelay?: number; // ms, default: 30000\n heartbeatInterval?: number; // ms, default: 30000\n bufferSize?: number; // max ticks to buffer, default: 1000\n}\n\nexport type DataAdapterEventType =\n \| 'tick'\n \| 'bar'\n \| 'barClose'\n \| 'snapshot' // initial historical data loaded\n \| 'connectionChange'\n \| 'error';\n\nexport interface DataAdapterEvent<T = unknown> {\n type: DataAdapterEventType;\n data: T;\n timestamp: number;\n}\n\nexport type DataAdapterListener<T = unknown> = (event: DataAdapterEvent<T>) => void;\n\n/\n Data adapter interface. Implements the observer pattern:\n * - connect() to start receiving data\n * - on('bar'\|'tick'\|'connectionChange', handler) to receive events\n * - disconnect() to stop, then connect() again to switch symbols/timeframes\n * - No separate subscribe/unsubscribe — reconnect is the intended pattern\n \n Strategy pattern for pluggable data sources.\n * Implementations handle the specifics of each data source (WebSocket, REST,\n * SSE, etc.) while the StreamManager orchestrates lifecycle and aggregation.\n \n Built-in: BinanceAdapter\n * Implement this for: custom exchange APIs, broker feeds, mock data\n /\nexport interface DataAdapter {\n readonly name: string;\n\n connect(config: DataAdapterConfig): void;\n disconnect(): void;\n getConnectionState(): ConnectionState;\n\n /\n Load historical bars. Called once on connect, before streaming starts.\n * Returns bars sorted by time ascending.\n /\n fetchHistory(symbol: string, timeframe: TimeFrame, limit?: number): Promise<OHLCBar[]>;\n\n on<T = unknown>(event: DataAdapterEventType, listener: DataAdapterListener<T>): void;\n off<T = unknown>(event: DataAdapterEventType, listener: DataAdapterListener<T>): void;\n\n dispose(): void;\n}\n\n// --- Stream Manager Config ---\n\nexport interface StreamConfig {\n adapter: DataAdapter;\n symbol: string;\n timeframe: TimeFrame;\n historyLimit?: number; // bars to load initially, default: 500\n autoScroll?: boolean; // scroll to end on new bar, default: true\n showCurrentPriceLine?: boolean; // default: true\n aggregateTicks?: boolean; // build bars from ticks, default: false\n reconnect?: ReconnectConfig;\n}\n\nexport interface ReconnectConfig {\n enabled: boolean; // default: true\n maxRetries: number; // default: Infinity\n baseDelay: number; // ms, default: 1000\n maxDelay: number; // ms, default: 30000\n backoffMultiplier: number; // default: 2\n}\n\nexport const DEFAULT_RECONNECT: ReconnectConfig = {\n enabled: true,\n maxRetries: Infinity,\n baseDelay: 1000,\n maxDelay: 30000,\n backoffMultiplier: 2,\n};\n\nexport const DEFAULT_STREAM_CONFIG: Partial<StreamConfig> = {\n historyLimit: 500,\n autoScroll: true,\n showCurrentPriceLine: true,\n aggregateTicks: false,\n};\n","export function clamp(value: number, min: number, max: number): number {\n return Math.max(min, Math.min(max, value));\n}\n\nexport function lerp(a: number, b: number, t: number): number {\n return a + (b - a) t;\n}\n\nexport function inverseLerp(a: number, b: number, value: number): number {\n if (a === b) return 0;\n return (value - a) / (b - a);\n}\n\nexport function roundToStep(value: number, step: number): number {\n return Math.round(value / step) * step;\n}\n\nexport function niceNumber(value: number, round: boolean): number {\n const exp = Math.floor(Math.log10(value));\n const frac = value / Math.pow(10, exp);\n let nice: number;\n if (round) {\n if (frac < 1.5) nice = 1;\n else if (frac < 3) nice = 2;\n else if (frac < 7) nice = 5;\n else nice = 10;\n } else {\n if (frac <= 1) nice = 1;\n else if (frac <= 2) nice = 2;\n else if (frac <= 5) nice = 5;\n else nice = 10;\n }\n return nice * Math.pow(10, exp);\n}\n\nexport function computeTickStep(min: number, max: number, maxTicks: number): number {\n const range = niceNumber(max - min, false);\n return niceNumber(range / (maxTicks - 1), true);\n}\n","import type { OHLCBar, DataSeries } from '../types/ohlc.js';\n\n/*\n Normalize bar timestamp to milliseconds.\n * Auto-detects: time > 1e12 is already ms, otherwise treats as seconds.\n /\nexport function normalizeBarTime(time: number): number {\n return time > 1e12 ? time : time 1000;\n}\n\n/*\n Normalize a bar's timestamp field to milliseconds.\n * Accepts either { time } (ms or s) or { t, o, h, l, c, v } wire format.\n /\nexport function normalizeBar(raw: Record<string, number>): OHLCBar {\n const time = normalizeBarTime(raw.time ?? raw.t ?? 0);\n return {\n time,\n open: raw.open ?? raw.o ?? 0,\n high: raw.high ?? raw.h ?? 0,\n low: raw.low ?? raw.l ?? 0,\n close: raw.close ?? raw.c ?? 0,\n volume: raw.volume ?? raw.v ?? 0,\n };\n}\n\nexport function sliceVisibleData(\n data: DataSeries,\n from: number,\n to: number,\n): DataSeries {\n const startIdx = Math.max(0, from);\n const endIdx = Math.min(data.length, to + 1);\n return data.slice(startIdx, endIdx);\n}\n\nexport function findBarIndex(data: DataSeries, timestamp: number): number {\n let lo = 0;\n let hi = data.length - 1;\n while (lo <= hi) {\n const mid = (lo + hi) >>> 1;\n if (data[mid].time < timestamp) lo = mid + 1;\n else if (data[mid].time > timestamp) hi = mid - 1;\n else return mid;\n }\n return lo;\n}\n\nexport function computePriceRange(\n data: DataSeries,\n from: number,\n to: number,\n padding = 0.05,\n): { min: number; max: number } {\n if (data.length === 0) return { min: 0, max: 1 };\n const startIdx = Math.max(0, from);\n const endIdx = Math.min(data.length - 1, to);\n let min = Infinity;\n let max = -Infinity;\n for (let i = startIdx; i <= endIdx; i++) {\n if (data[i].low < min) min = data[i].low;\n if (data[i].high > max) max = data[i].high;\n }\n if (min === Infinity) return { min: 0, max: 1 };\n const range = max - min \|\| 1;\n return {\n min: min - range padding,\n max: max + range * padding,\n };\n}\n\nexport function mergeBar(existing: OHLCBar, tick: { price: number; volume?: number; time: number }): OHLCBar {\n return {\n ...existing,\n high: Math.max(existing.high, tick.price),\n low: Math.min(existing.low, tick.price),\n close: tick.price,\n volume: existing.volume + (tick.volume ?? 0),\n time: tick.time,\n };\n}\n","export function hexToRgba(hex: string, alpha = 1): string {\n const r = parseInt(hex.slice(1, 3), 16);\n const g = parseInt(hex.slice(3, 5), 16);\n const b = parseInt(hex.slice(5, 7), 16);\n return `rgba(${r}, ${g}, ${b}, ${alpha})`;\n}\n\nexport function withAlpha(color: string, alpha: number): string {\n if (color.startsWith('#')) {\n return hexToRgba(color, alpha);\n }\n const rgbaMatch = color.match(/rgba?\\((\\d+),\\s(\\d+),\\s(\\d+)/);\n if (rgbaMatch) {\n return `rgba(${rgbaMatch[1]}, ${rgbaMatch[2]}, ${rgbaMatch[3]}, ${alpha})`;\n }\n return color;\n}\n\nexport function lerpColor(colorA: string, colorB: string, t: number): string {\n const parseHex = (hex: string) => {\n hex = hex.replace('#', '');\n if (hex.length === 3) hex = hex[0] + hex[0] + hex[1] + hex[1] + hex[2] + hex[2];\n return {\n r: parseInt(hex.slice(0, 2), 16),\n g: parseInt(hex.slice(2, 4), 16),\n b: parseInt(hex.slice(4, 6), 16),\n };\n };\n const a = parseHex(colorA);\n const b = parseHex(colorB);\n const r = Math.round(a.r + (b.r - a.r) * t);\n const g = Math.round(a.g + (b.g - a.g) * t);\n const bl = Math.round(a.b + (b.b - a.b) * t);\n return `rgb(${r},${g},${bl})`;\n}\n","import type { TimeFrame } from '../types/ohlc.js';\n\nconst TIMEFRAME_MS: Record<TimeFrame, number> = {\n '1s': 1_000,\n '5s': 5_000,\n '15s': 15_000,\n '30s': 30_000,\n '1m': 60_000,\n '3m': 180_000,\n '5m': 300_000,\n '15m': 900_000,\n '30m': 1_800_000,\n '45m': 2_700_000,\n '1h': 3_600_000,\n '2h': 7_200_000,\n '3h': 10_800_000,\n '4h': 14_400_000,\n '6h': 21_600_000,\n '8h': 28_800_000,\n '12h': 43_200_000,\n '1d': 86_400_000,\n '2d': 172_800_000,\n '3d': 259_200_000,\n '1w': 604_800_000,\n '2w': 1_209_600_000,\n '1M': 2_592_000_000,\n '3M': 7_776_000_000,\n '6M': 15_552_000_000,\n '12M': 31_536_000_000,\n};\n\nexport function timeframeToMs(tf: TimeFrame): number {\n return TIMEFRAME_MS[tf];\n}\n\nexport function formatTimestamp(timestamp: number, tf: TimeFrame): string {\n const d = new Date(timestamp);\n const ms = TIMEFRAME_MS[tf];\n if (ms >= 86_400_000) {\n return d.toLocaleDateString(undefined, { month: 'short', day: 'numeric' });\n }\n if (ms >= 3_600_000) {\n return d.toLocaleTimeString(undefined, { hour: '2-digit', minute: '2-digit' });\n }\n return d.toLocaleTimeString(undefined, { hour: '2-digit', minute: '2-digit', second: '2-digit' });\n}\n\nexport function alignToTimeframe(timestamp: number, tf: TimeFrame): number {\n const ms = TIMEFRAME_MS[tf];\n return Math.floor(timestamp / ms) * ms;\n}\n","export function formatPrice(value: number, precision = 2, locale = 'en-US'): string {\n return value.toLocaleString(locale, {\n minimumFractionDigits: precision,\n maximumFractionDigits: precision,\n });\n}\n\nexport function formatVolume(value: number): string {\n if (value >= 1_000_000_000) return (value / 1_000_000_000).toFixed(2) + 'B';\n if (value >= 1_000_000) return (value / 1_000_000).toFixed(2) + 'M';\n if (value >= 1_000) return (value / 1_000).toFixed(2) + 'K';\n return value.toFixed(0);\n}\n\nexport function detectPrecision(values: number[]): number {\n let maxDecimals = 0;\n for (const v of values) {\n const str = v.toString();\n const dot = str.indexOf('.');\n if (dot >= 0) {\n maxDecimals = Math.max(maxDecimals, str.length - dot - 1);\n }\n }\n return Math.min(maxDecimals, 8);\n}\n","import type { ChartOptions } from '../types/chart.js';\n\nexport const DEFAULT_CHART_OPTIONS: Required<Pick<ChartOptions, 'autoScale' \| 'rightMargin' \| 'minBarSpacing' \| 'maxBarSpacing'>> & Pick<ChartOptions, 'grid' \| 'crosshair'> = {\n autoScale: true,\n rightMargin: 5,\n minBarSpacing: 2,\n maxBarSpacing: 30,\n grid: {\n visible: true,\n hLineStyle: 'solid',\n vLineStyle: 'solid',\n },\n crosshair: {\n mode: 'magnet',\n },\n};\n\n// Standard timeframe presets for different market types\nimport type { TimeFrame } from '../types/ohlc.js';\n\n/** Crypto: all timeframes including seconds /\nexport const TIMEFRAMES_CRYPTO: TimeFrame[] = [\n '1s', '1m', '3m', '5m', '15m', '30m',\n '1h', '2h', '4h', '6h', '8h', '12h',\n '1d', '3d', '1w', '1M',\n];\n\n/* Stocks: minute-level and above (no seconds) /\nexport const TIMEFRAMES_STOCK: TimeFrame[] = [\n '1m', '5m', '15m', '30m',\n '1h', '2h', '4h',\n '1d', '1w', '1M', '3M', '6M', '12M',\n];\n\n/* Forex: common forex timeframes /\nexport const TIMEFRAMES_FOREX: TimeFrame[] = [\n '1m', '5m', '15m', '30m',\n '1h', '4h',\n '1d', '1w', '1M',\n];\n\n/* Default favorites shown in quick-access bar /\nexport const DEFAULT_TIMEFRAME_FAVORITES: TimeFrame[] = [\n '1m', '5m', '15m', '1h', '4h', '1d', '1w',\n];\n\nexport const DEFAULT_BAR_WIDTH = 8;\nexport const DEFAULT_BAR_SPACING = 2;\nexport const PRICE_AXIS_WIDTH = 70;\nexport const TIME_AXIS_HEIGHT = 30;\nexport const MIN_PANEL_HEIGHT = 60;\nexport const DEFAULT_PANEL_HEIGHT = 120;\n","import type { Theme } from '../types/theme.js';\n\nconst DEFAULT_FONT = {\n family: '-apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, sans-serif',\n sizeSmall: 10,\n sizeMedium: 12,\n sizeLarge: 14,\n};\n\nexport const DARK_THEME: Theme = {\n name: 'dark',\n background: '#131722',\n text: '#D1D4DC',\n textSecondary: '#787B86',\n grid: '#1E222D',\n crosshair: '#9598A1',\n candleUp: '#26A69A',\n candleDown: '#EF5350',\n candleUpWick: '#26A69A',\n candleDownWick: '#EF5350',\n lineColor: '#2196F3',\n areaTopColor: 'rgba(33, 150, 243, 0.4)',\n areaBottomColor: 'rgba(33, 150, 243, 0.0)',\n volumeUp: 'rgba(38, 166, 154, 0.3)',\n volumeDown: 'rgba(239, 83, 80, 0.3)',\n axisLine: '#2A2E39',\n axisLabel: '#D1D4DC',\n axisLabelBackground: '#2A2E39',\n font: DEFAULT_FONT,\n};\n\nexport const LIGHT_THEME: Theme = {\n name: 'light',\n background: '#FFFFFF',\n text: '#131722',\n textSecondary: '#787B86',\n grid: '#F0F3FA',\n crosshair: '#9598A1',\n candleUp: '#26A69A',\n candleDown: '#EF5350',\n candleUpWick: '#26A69A',\n candleDownWick: '#EF5350',\n lineColor: '#2196F3',\n areaTopColor: 'rgba(33, 150, 243, 0.4)',\n areaBottomColor: 'rgba(33, 150, 243, 0.0)',\n volumeUp: 'rgba(38, 166, 154, 0.3)',\n volumeDown: 'rgba(239, 83, 80, 0.3)',\n axisLine: '#E0E3EB',\n axisLabel: '#131722',\n axisLabelBackground: '#F0F3FA',\n font: DEFAULT_FONT,\n};\n\nexport const DARK_TERMINAL: Theme = {\n name: 'terminal',\n background: '#0E0E0E',\n text: '#C0C0C0',\n textSecondary: '#8A8A8A',\n grid: '#1A1A1A',\n crosshair: '#666666',\n candleUp: '#00FF87',\n candleDown: '#FF3B4D',\n candleUpWick: '#00FF87',\n candleDownWick: '#FF3B4D',\n lineColor: '#3D8BFD',\n areaTopColor: 'rgba(61, 139, 253, 0.3)',\n areaBottomColor: 'rgba(61, 139, 253, 0.0)',\n volumeUp: 'rgba(0, 255, 135, 0.2)',\n volumeDown: 'rgba(255, 59, 77, 0.2)',\n axisLine: '#1A1A1A',\n axisLabel: '#8A8A8A',\n axisLabelBackground: '#1A1A1A',\n font: {\n family: \"'Roboto Mono', 'JetBrains Mono', 'SF Mono', Consolas, monospace\",\n sizeSmall: 10,\n sizeMedium: 12,\n sizeLarge: 14,\n },\n};\n","import type { LocaleStrings } from './types.js';\n\nexport const en: LocaleStrings = {\n // Chart types\n candlestick: 'Candlestick',\n line: 'Line',\n area: 'Area',\n bar: 'OHLC Bar',\n\n // Axes\n price: 'Price',\n volume: 'Volume',\n time: 'Time',\n open: 'Open',\n high: 'High',\n low: 'Low',\n close: 'Close',\n\n // Indicators - overlays\n sma: 'SMA',\n ema: 'EMA',\n bollingerBands: 'Bollinger Bands',\n vwap: 'VWAP',\n ichimoku: 'Ichimoku Cloud',\n parabolicSAR: 'Parabolic SAR',\n supertrend: 'Supertrend',\n keltnerChannel: 'Keltner Channel',\n donchianChannel: 'Donchian Channel',\n\n // Indicators - panels\n rsi: 'RSI',\n macd: 'MACD',\n stochastic: 'Stochastic',\n atr: 'ATR',\n adx: 'ADX',\n obv: 'OBV',\n williamsR: 'Williams %R',\n cci: 'CCI',\n mfi: 'MFI',\n aroon: 'Aroon',\n roc: 'ROC',\n tsi: 'TSI',\n cmf: 'CMF',\n stddev: 'Std Dev',\n volumeProfile: 'Volume Profile',\n accumulationDistribution: 'A/D Line',\n vroc: 'VROC',\n\n // Drawing tools\n trendLine: 'Trend Line',\n horizontalLine: 'Horizontal Line',\n verticalLine: 'Vertical Line',\n ray: 'Ray',\n extendedLine: 'Extended Line',\n parallelChannel: 'Parallel Channel',\n regressionChannel: 'Regression Channel',\n fibRetracement: 'Fibonacci Retracement',\n fibExtension: 'Fibonacci Extension',\n rectangle: 'Rectangle',\n ellipse: 'Ellipse',\n triangle: 'Triangle',\n pitchfork: \"Andrews' Pitchfork\",\n elliottWave: 'Elliott Wave',\n priceRange: 'Price Range',\n dateRange: 'Date Range',\n measure: 'Measure',\n textTool: 'Text',\n arrow: 'Arrow',\n clearAll: 'Clear All',\n\n // Trading\n buy: 'Buy',\n sell: 'Sell',\n buyLimit: 'Buy Limit',\n sellLimit: 'Sell Limit',\n buyStop: 'Buy Stop',\n sellStop: 'Sell Stop',\n stopLoss: 'Stop Loss',\n takeProfit: 'Take Profit',\n market: 'Market',\n limit: 'Limit',\n stop: 'Stop',\n cancel: 'Cancel',\n modify: 'Modify',\n quantity: 'Qty',\n pnl: 'P&L',\n activeOrders: 'Active Orders',\n positions: 'Positions',\n noOrders: 'No active orders',\n noPositions: 'No open positions',\n placeOrder: 'Place Order',\n rightClickToTrade: 'Right-click chart to place orders',\n\n // Market\n ceiling: 'Ceiling',\n floor: 'Floor',\n reference: 'Reference',\n session: 'Session',\n preOpen: 'Pre-Open',\n continuous: 'Continuous',\n preClose: 'Pre-Close',\n closed: 'Closed',\n\n // UI\n settings: 'Settings',\n theme: 'Theme',\n darkTheme: 'Dark',\n lightTheme: 'Light',\n tools: 'Tools',\n indicators: 'Indicators',\n overlays: 'Overlays',\n panels: 'Panels',\n orders: 'Orders',\n autoScale: 'Auto Scale',\n crosshair: 'Crosshair',\n grid: 'Grid',\n loading: 'Loading...',\n error: 'Error',\n\n numberDecimalSeparator: '.',\n numberGroupSeparator: ',',\n};\n","import type { LocaleStrings } from './types.js';\n\nexport const vi: LocaleStrings = {\n // Chart types\n candlestick: 'Nến',\n line: 'Đường',\n area: 'Vùng',\n bar: 'Thanh OHLC',\n\n // Axes\n price: 'Giá',\n volume: 'Khối lượng',\n time: 'Thời gian',\n open: 'Mở',\n high: 'Cao',\n low: 'Thấp',\n close: 'Đóng',\n\n // Indicators - overlays\n sma: 'SMA',\n ema: 'EMA',\n bollingerBands: 'Dải Bollinger',\n vwap: 'VWAP',\n ichimoku: 'Mây Ichimoku',\n parabolicSAR: 'Parabolic SAR',\n supertrend: 'Supertrend',\n keltnerChannel: 'Kênh Keltner',\n donchianChannel: 'Kênh Donchian',\n\n // Indicators - panels\n rsi: 'RSI',\n macd: 'MACD',\n stochastic: 'Stochastic',\n atr: 'ATR',\n adx: 'ADX',\n obv: 'OBV',\n williamsR: 'Williams %R',\n cci: 'CCI',\n mfi: 'MFI',\n aroon: 'Aroon',\n roc: 'ROC',\n tsi: 'TSI',\n cmf: 'CMF',\n stddev: 'Độ lệch chuẩn',\n volumeProfile: 'Phân bổ KL',\n accumulationDistribution: 'Tích lũy/Phân phối',\n vroc: 'VROC',\n\n // Drawing tools\n trendLine: 'Đường xu hướng',\n horizontalLine: 'Đường ngang',\n verticalLine: 'Đường dọc',\n ray: 'Tia',\n extendedLine: 'Đường kéo dài',\n parallelChannel: 'Kênh song song',\n regressionChannel: 'Kênh hồi quy',\n fibRetracement: 'Fibonacci thoái lui',\n fibExtension: 'Fibonacci mở rộng',\n rectangle: 'Hình chữ nhật',\n ellipse: 'Hình elip',\n triangle: 'Tam giác',\n pitchfork: 'Chĩa ba Andrews',\n elliottWave: 'Sóng Elliott',\n priceRange: 'Khoảng giá',\n dateRange: 'Khoảng thời gian',\n measure: 'Đo lường',\n textTool: 'Chữ',\n arrow: 'Mũi tên',\n clearAll: 'Xóa tất cả',\n\n // Trading\n buy: 'Mua',\n sell: 'Bán',\n buyLimit: 'Mua giới hạn',\n sellLimit: 'Bán giới hạn',\n buyStop: 'Mua chặn',\n sellStop: 'Bán chặn',\n stopLoss: 'Cắt lỗ',\n takeProfit: 'Chốt lời',\n market: 'Thị trường',\n limit: 'Giới hạn',\n stop: 'Dừng',\n cancel: 'Hủy',\n modify: 'Sửa',\n quantity: 'KL',\n pnl: 'Lãi/Lỗ',\n activeOrders: 'Lệnh chờ',\n positions: 'Vị thế',\n noOrders: 'Không có lệnh chờ',\n noPositions: 'Không có vị thế mở',\n placeOrder: 'Đặt lệnh',\n rightClickToTrade: 'Nhấp chuột phải để đặt lệnh',\n\n // Market\n ceiling: 'Trần',\n floor: 'Sàn',\n reference: 'Tham chiếu',\n session: 'Phiên',\n preOpen: 'Trước giờ mở',\n continuous: 'Liên tục',\n preClose: 'Trước giờ đóng',\n closed: 'Đóng cửa',\n\n // UI\n settings: 'Cài đặt',\n theme: 'Giao diện',\n darkTheme: 'Tối',\n lightTheme: 'Sáng',\n tools: 'Công cụ',\n indicators: 'Chỉ báo',\n overlays: 'Phủ lên',\n panels: 'Bảng',\n orders: 'Lệnh',\n autoScale: 'Tự co giãn',\n crosshair: 'Chữ thập',\n grid: 'Lưới',\n loading: 'Đang tải...',\n error: 'Lỗi',\n\n numberDecimalSeparator: ',',\n numberGroupSeparator: '.',\n};\n","export type { Locale, LocaleStrings, NumberFormatConfig, DateFormatConfig } from './types.js';\nexport { en } from './en.js';\nexport { vi } from './vi.js';\n\nimport type { Locale, LocaleStrings } from './types.js';\nimport { en } from './en.js';\nimport { vi } from './vi.js';\n\nconst locales = new Map<string, LocaleStrings>([\n ['en', en],\n ['vi', vi],\n]);\n\nlet currentLocale: Locale = 'en';\nlet currentStrings: LocaleStrings = en;\n\nexport function setLocale(locale: Locale): void {\n currentLocale = locale;\n currentStrings = locales.get(locale) ?? en;\n}\n\nexport function getLocale(): Locale {\n return currentLocale;\n}\n\nexport function t(key: keyof LocaleStrings): string {\n return currentStrings[key] ?? (en as any)[key] ?? key;\n}\n\nexport function registerLocale(locale: string, strings: LocaleStrings): void {\n locales.set(locale, strings);\n}\n\nexport function getLocaleStrings(locale?: string): LocaleStrings {\n return locales.get(locale ?? currentLocale) ?? en;\n}\n\n// Number formatting\nexport function formatNumber(value: number, precision = 2, locale?: string): string {\n const strings = locales.get(locale ?? currentLocale) ?? en;\n const dec = strings.numberDecimalSeparator;\n const grp = strings.numberGroupSeparator;\n\n const fixed = value.toFixed(precision);\n const [intPart, decPart] = fixed.split('.');\n\n // Group integer part\n const negative = intPart.startsWith('-');\n const digits = negative ? intPart.slice(1) : intPart;\n let grouped = '';\n for (let i = digits.length - 1, count = 0; i >= 0; i--, count++) {\n if (count > 0 && count % 3 === 0) grouped = grp + grouped;\n grouped = digits[i] + grouped;\n }\n if (negative) grouped = '-' + grouped;\n\n return decPart ? grouped + dec + decPart : grouped;\n}\n\nexport function formatVND(value: number): string {\n return formatNumber(value, 0, 'vi');\n}\n\nexport function formatVolumeLoc(value: number, locale?: string): string {\n if (value >= 1e9) return formatNumber(value / 1e9, 2, locale ?? currentLocale) + 'B';\n if (value >= 1e6) return formatNumber(value / 1e6, 2, locale ?? currentLocale) + 'M';\n if (value >= 1e3) return formatNumber(value / 1e3, 2, locale ?? currentLocale) + 'K';\n return formatNumber(value, 0, locale ?? currentLocale);\n}\n","import type { MarketConfig, MarketColorScheme, TradingSession } from './types.js';\nimport type { Theme } from '../types/theme.js';\n\n// Vietnam stock color convention:\n// Purple/Red = ceiling (trần) - max up\n// Green/Cyan = floor (sàn) - max down\n// Yellow = reference (tham chiếu)\n// Red = up, Blue = down (common VN convention)\nexport const VN_COLORS: MarketColorScheme = {\n up: '#FF0000', // Đỏ - tăng\n down: '#0000FF', // Xanh dương - giảm\n unchanged: '#FFD700', // Vàng - tham chiếu\n ceiling: '#FF00FF', // Tím - trần\n floor: '#00FFFF', // Xanh lam - sàn\n reference: '#FFD700', // Vàng - tham chiếu\n};\n\nexport const HOSE_SESSIONS: TradingSession[] = [\n { name: 'ATO', startTime: '09:00', endTime: '09:15', type: 'preOpen' },\n { name: 'Phiên 1', startTime: '09:15', endTime: '11:30', type: 'continuous' },\n { name: 'Nghỉ trưa', startTime: '11:30', endTime: '13:00', type: 'closed' },\n { name: 'Phiên 2', startTime: '13:00', endTime: '14:30', type: 'continuous' },\n { name: 'ATC', startTime: '14:30', endTime: '14:45', type: 'preClose' },\n];\n\nexport const HNX_SESSIONS: TradingSession[] = [\n { name: 'Phiên 1', startTime: '09:00', endTime: '11:30', type: 'continuous' },\n { name: 'Nghỉ trưa', startTime: '11:30', endTime: '13:00', type: 'closed' },\n { name: 'Phiên 2', startTime: '13:00', endTime: '14:30', type: 'continuous' },\n { name: 'ATC', startTime: '14:30', endTime: '14:45', type: 'preClose' },\n];\n\n// Market presets\nexport const MARKET_HOSE: MarketConfig = {\n type: 'stock',\n exchange: 'HOSE',\n currency: 'VND',\n pricePrecision: 2,\n volumeUnit: 10,\n priceStep: 0.05,\n priceLimits: { enabled: true, ceilingPercent: 7, floorPercent: 7 },\n sessions: HOSE_SESSIONS,\n colorScheme: VN_COLORS,\n};\n\nexport const MARKET_HNX: MarketConfig = {\n type: 'stock',\n exchange: 'HNX',\n currency: 'VND',\n pricePrecision: 1,\n volumeUnit: 100,\n priceStep: 0.1,\n priceLimits: { enabled: true, ceilingPercent: 10, floorPercent: 10 },\n sessions: HNX_SESSIONS,\n colorScheme: VN_COLORS,\n};\n\nexport const MARKET_UPCOM: MarketConfig = {\n type: 'stock',\n exchange: 'UPCOM',\n currency: 'VND',\n pricePrecision: 1,\n volumeUnit: 100,\n priceStep: 0.1,\n priceLimits: { enabled: true, ceilingPercent: 15, floorPercent: 15 },\n sessions: HNX_SESSIONS,\n colorScheme: VN_COLORS,\n};\n\nexport const MARKET_CRYPTO: MarketConfig = {\n type: 'crypto',\n currency: 'USDT',\n pricePrecision: 2,\n priceLimits: { enabled: false },\n};\n\nexport const MARKET_NYSE: MarketConfig = {\n type: 'stock',\n exchange: 'NYSE',\n currency: 'USD',\n pricePrecision: 2,\n priceStep: 0.01,\n priceLimits: { enabled: false },\n sessions: [\n { name: 'Pre-Market', startTime: '04:00', endTime: '09:30', type: 'preOpen' },\n { name: 'Regular', startTime: '09:30', endTime: '16:00', type: 'continuous' },\n { name: 'After-Hours', startTime: '16:00', endTime: '20:00', type: 'preClose' },\n ],\n};\n\n// Build a theme variant for VN stock market\nexport function createVNTheme(base: Theme): Theme {\n return {\n ...base,\n candleUp: VN_COLORS.up,\n candleDown: VN_COLORS.down,\n candleUpWick: VN_COLORS.up,\n candleDownWick: VN_COLORS.down,\n volumeUp: 'rgba(255, 0, 0, 0.3)',\n volumeDown: 'rgba(0, 0, 255, 0.3)',\n };\n}\n\nexport function computePriceLimits(referencePrice: number, config: MarketConfig): { ceiling: number; floor: number; reference: number } \| null {\n if (!config.priceLimits?.enabled \|\| !config.priceLimits.ceilingPercent) return null;\n const ceilPct = config.priceLimits.ceilingPercent / 100;\n const floorPct = (config.priceLimits.floorPercent ?? config.priceLimits.ceilingPercent) / 100;\n return {\n ceiling: referencePrice (1 + ceilPct),\n floor: referencePrice * (1 - floorPct),\n reference: referencePrice,\n };\n}\n\nexport function getCurrentSession(sessions: TradingSession[]): TradingSession \| null {\n const now = new Date();\n const hhmm = `${String(now.getHours()).padStart(2, '0')}:${String(now.getMinutes()).padStart(2, '0')}`;\n for (const session of sessions) {\n if (hhmm >= session.startTime && hhmm < session.endTime) return session;\n }\n return 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		{"version":3,"file":"index.cjs","names":[],"sources":["../src/types/rendering.ts","../src/types/drawing.ts","../src/types/trading.ts","../src/types/signal.ts","../src/types/realtime.ts","../src/utils/math.ts","../src/utils/data.ts","../src/utils/color.ts","../src/utils/time.ts","../src/utils/precision.ts","../src/constants/defaults.ts","../src/constants/themes.ts","../src/i18n/en.ts","../src/i18n/vi.ts","../src/i18n/index.ts","../src/market/presets.ts"],"sourcesContent":["export interface Point {\n x: number;\n y: number;\n}\n\nexport interface Size {\n width: number;\n height: number;\n}\n\nexport interface Rect {\n x: number;\n y: number;\n width: number;\n height: number;\n}\n\nexport type PriceScaleMode = 'regular' \| 'logarithmic' \| 'percentage' \| 'indexedTo100';\n\nexport interface ViewportState {\n visibleRange: { from: number; to: number };\n priceRange: { min: number; max: number };\n barWidth: number;\n barSpacing: number;\n offset: number;\n chartRect: Rect;\n /*\n Logarithmic price geometry. Kept for back-compat; mirrors\n * `scaleMode === 'logarithmic'`. Prefer reading `scaleMode`.\n /\n logScale?: boolean;\n /\n Price-scale presentation. `regular`, `percentage`, and `indexedTo100` share\n * the same linear geometry — only the axis labels differ (rebased to\n * `scaleBaseline`). `logarithmic` changes the geometry. Defaults to\n * `regular` when unset.\n /\n scaleMode?: PriceScaleMode;\n /\n Reference price for `percentage` / `indexedTo100` axis labels — usually the\n * close of the first visible bar. Set by the chart each frame.\n /\n scaleBaseline?: number;\n /\n Optional reference to the current bar series. When set, drawings/indicators\n * treat `anchor.time` as a real timestamp and convert to bar index via\n * `timestampToBarIndex(time, data)` at render/hit-test time. This lets\n * anchors survive timeframe / symbol switches like TradingView. When unset,\n * `anchor.time` is treated as a raw bar index (legacy behavior).\n /\n data?: ReadonlyArray<{ time: number }>;\n}\n\nexport enum LayerType {\n Background = 0,\n Main = 1,\n Panel = 2,\n Overlay = 3,\n UI = 4,\n}\n","import type { Point, ViewportState } from './rendering.js';\n\nexport type DrawingToolType =\n \| 'trendLine' \| 'horizontalLine' \| 'verticalLine' \| 'ray' \| 'extendedLine'\n \| 'parallelChannel' \| 'regressionChannel'\n \| 'fibRetracement' \| 'fibExtension' \| 'fibTimeZones'\n \| 'rectangle' \| 'ellipse' \| 'triangle'\n \| 'pitchfork' \| 'elliottWave'\n \| 'priceRange' \| 'dateRange' \| 'measure'\n \| 'text' \| 'arrow'\n \| 'gannFan' \| 'gannBox'\n \| 'anchoredVWAP'\n \| 'volumeProfileRange';\n\nexport interface AnchorPoint {\n time: number;\n price: number;\n}\n\nexport interface DrawingStyle {\n color: string;\n lineWidth: number;\n lineStyle: 'solid' \| 'dashed' \| 'dotted';\n fillColor?: string;\n fillOpacity?: number;\n fontSize?: number;\n text?: string;\n}\n\nexport interface DrawingState {\n id: string;\n type: DrawingToolType;\n anchors: AnchorPoint[];\n style: DrawingStyle;\n visible: boolean;\n locked: boolean;\n meta?: Record<string, unknown>;\n}\n\nexport interface DrawingDescriptor {\n type: DrawingToolType;\n name: string;\n requiredAnchors: number;\n singleClick?: boolean;\n}\n\nexport interface DrawingPlugin {\n descriptor: DrawingDescriptor;\n render(\n ctx: CanvasRenderingContext2D,\n state: DrawingState,\n viewport: ViewportState,\n selected: boolean,\n ): void;\n hitTest(\n point: Point,\n state: DrawingState,\n viewport: ViewportState,\n tolerance: number,\n ): boolean;\n hitTestAnchor(\n point: Point,\n state: DrawingState,\n viewport: ViewportState,\n tolerance: number,\n ): number;\n}\n\nexport const DEFAULT_DRAWING_STYLE: DrawingStyle = {\n color: '#2196F3',\n lineWidth: 1,\n lineStyle: 'solid',\n fillColor: 'rgba(33, 150, 243, 0.1)',\n fillOpacity: 0.1,\n fontSize: 12,\n};\n","export type OrderSide = 'buy' \| 'sell';\r\nexport type OrderType = 'market' \| 'limit' \| 'stop' \| 'stopLimit';\r\nexport type OrderStatus = 'pending' \| 'filled' \| 'cancelled' \| 'rejected';\r\nexport type OrderLabel = 'LIMIT' \| 'STOP' \| 'SL' \| 'TP' \| 'STOP LIMIT';\r\n\r\nexport interface TradingOrder {\r\n id: string;\r\n side: OrderSide;\r\n type: OrderType;\r\n price: number;\r\n stopPrice?: number;\r\n quantity: number;\r\n label?: OrderLabel;\r\n draggable?: boolean;\r\n meta?: Record<string, unknown>;\r\n}\r\n\r\nexport interface TradingPosition {\r\n id: string;\r\n side: OrderSide;\r\n entryPrice: number;\r\n quantity: number;\r\n /* Quantity already closed (for partial-close visualization). 0 ≤ closedQuantity ≤ quantity. /\r\n closedQuantity?: number;\r\n stopLoss?: number;\r\n takeProfit?: number;\r\n meta?: Record<string, unknown>;\r\n}\r\n\r\n/* Threshold-based P&L color stop. Sorted ascending by `pnl` is recommended. /\r\nexport interface PnLThreshold {\r\n /* Inclusive lower bound. Use -Infinity for the bottom-most stop. /\r\n pnl: number;\r\n color: string;\r\n}\r\n\r\n/* Tokens passed to position label templates. /\r\nexport interface PositionLabelContext {\r\n side: OrderSide;\r\n quantity: number;\r\n closedQuantity: number;\r\n openQuantity: number;\r\n entryPrice: number;\r\n currentPrice: number;\r\n pnl: number;\r\n pnlPct: number;\r\n precision: number;\r\n}\r\n\r\nexport interface DepthLevel {\r\n price: number;\r\n volume: number;\r\n}\r\n\r\nexport interface DepthData {\r\n bids: DepthLevel[];\r\n asks: DepthLevel[];\r\n}\r\n\r\nexport interface TradingConfig {\r\n enabled: boolean;\r\n orderColors?: { buy?: string; sell?: string };\r\n positionColors?: { profit?: string; loss?: string; entry?: string };\r\n /\r\n Optional gradient of colors keyed to P&L value. When provided, the rendered\r\n * position zone uses the color of the highest threshold whose `pnl` ≤ live P&L.\r\n * Falls back to `positionColors.profit`/`.loss` when unset.\r\n /\r\n pnlThresholds?: PnLThreshold[];\r\n /\r\n Position P&L label template. Supports tokens: {side} {qty} {closedQty}\r\n * {openQty} {entry} {price} {pnl} {pnlPct} {pnlSign}. Pass a function for\r\n * full control. Default: `{side} {qty} \| P&L: {pnlSign}{pnl}`.\r\n /\r\n positionLabel?: string \| ((ctx: PositionLabelContext) => string);\r\n depthOverlay?: {\r\n enabled?: boolean;\r\n bidColor?: string;\r\n askColor?: string;\r\n maxWidth?: number;\r\n };\r\n contextMenu?: { enabled?: boolean };\r\n pricePrecision?: number;\r\n dragThreshold?: number;\r\n}\r\n\r\nexport interface OrderPlaceIntent {\r\n side: OrderSide;\r\n type: OrderType;\r\n price: number;\r\n stopPrice?: number;\r\n quantity?: number;\r\n}\r\n\r\nexport interface OrderModifyIntent {\r\n orderId: string;\r\n newPrice: number;\r\n previousPrice: number;\r\n}\r\n\r\nexport interface OrderCancelIntent {\r\n orderId: string;\r\n}\r\n\r\nexport interface PositionModifyIntent {\r\n positionId: string;\r\n stopLoss?: number;\r\n takeProfit?: number;\r\n}\r\n\r\nexport interface PositionCloseIntent {\r\n positionId: string;\r\n}\r\n\r\nexport const DEFAULT_TRADING_CONFIG: TradingConfig = {\r\n enabled: true,\r\n orderColors: { buy: '#26A69A', sell: '#EF5350' },\r\n positionColors: { profit: '#26A69A', loss: '#EF5350', entry: '#2196F3' },\r\n depthOverlay: { enabled: false, bidColor: 'rgba(38,166,154,0.15)', askColor: 'rgba(239,83,80,0.15)', maxWidth: 100 },\r\n contextMenu: { enabled: true },\r\n pricePrecision: 2,\r\n dragThreshold: 3,\r\n};\r\n","export type SignalDirection = 'long' \| 'short' \| 'neutral';\n\nexport interface SignalMarker {\n id: string;\n time: number;\n price: number;\n direction: SignalDirection;\n confidence: number;\n source: string;\n label?: string;\n color?: string;\n meta?: Record<string, unknown>;\n}\n\nexport interface SignalMarkerStyle {\n longColor?: string;\n shortColor?: string;\n neutralColor?: string;\n arrowSize?: number;\n showLabel?: boolean;\n showConfidence?: boolean;\n sourceColors?: Record<string, string>;\n}\n\nexport const DEFAULT_SIGNAL_STYLE: SignalMarkerStyle = {\n longColor: '#26A69A',\n shortColor: '#EF5350',\n neutralColor: '#9E9E9E',\n arrowSize: 12,\n showLabel: true,\n showConfidence: true,\n};\n\nexport type TradeZoneDirection = 'long' \| 'short';\n\nexport interface TradeZone {\n id: string;\n entryTime: number;\n entryPrice: number;\n exitTime?: number;\n exitPrice?: number;\n direction: TradeZoneDirection;\n pnl?: number;\n pnlPercent?: number;\n label?: string;\n meta?: Record<string, unknown>;\n}\n\nexport interface TradeZoneStyle {\n profitColor?: string;\n lossColor?: string;\n activeColor?: string;\n fillOpacity?: number;\n borderWidth?: number;\n showLabel?: boolean;\n showPnl?: boolean;\n}\n\nexport const DEFAULT_TRADE_ZONE_STYLE: TradeZoneStyle = {\n profitColor: '#26A69A',\n lossColor: '#EF5350',\n activeColor: '#2196F3',\n fillOpacity: 0.12,\n borderWidth: 1,\n showLabel: true,\n showPnl: true,\n};\n","import type { OHLCBar, TimeFrame } from './ohlc.js';\n\n// --- Connection ---\n\nexport type ConnectionState = 'disconnected' \| 'connecting' \| 'connected' \| 'reconnecting' \| 'error';\n\nexport interface ConnectionInfo {\n state: ConnectionState;\n latency?: number;\n reconnectAttempt?: number;\n lastMessageTime?: number;\n error?: string;\n}\n\n// --- Ticks & Trades ---\n\nexport interface RawTick {\n time: number;\n price: number;\n volume: number;\n side?: 'buy' \| 'sell';\n}\n\nexport interface AggregatedBar extends OHLCBar {\n closed: boolean; // true when bar is finalized\n tickCount: number; // number of ticks in this bar\n}\n\n// --- Data Adapter (Strategy Pattern) ---\n\nexport interface DataAdapterConfig {\n symbol: string;\n timeframe: TimeFrame;\n reconnect?: boolean; // default: true\n reconnectMaxRetries?: number; // default: Infinity\n reconnectBaseDelay?: number; // ms, default: 1000\n reconnectMaxDelay?: number; // ms, default: 30000\n heartbeatInterval?: number; // ms, default: 30000\n bufferSize?: number; // max ticks to buffer, default: 1000\n}\n\nexport type DataAdapterEventType =\n \| 'tick'\n \| 'bar'\n \| 'barClose'\n \| 'snapshot' // initial historical data loaded\n \| 'connectionChange'\n \| 'error';\n\nexport interface DataAdapterEvent<T = unknown> {\n type: DataAdapterEventType;\n data: T;\n timestamp: number;\n}\n\nexport type DataAdapterListener<T = unknown> = (event: DataAdapterEvent<T>) => void;\n\n/\n Data adapter interface. Implements the observer pattern:\n * - connect() to start receiving data\n * - on('bar'\|'tick'\|'connectionChange', handler) to receive events\n * - disconnect() to stop, then connect() again to switch symbols/timeframes\n * - No separate subscribe/unsubscribe — reconnect is the intended pattern\n \n Strategy pattern for pluggable data sources.\n * Implementations handle the specifics of each data source (WebSocket, REST,\n * SSE, etc.) while the StreamManager orchestrates lifecycle and aggregation.\n \n Built-in: BinanceAdapter\n * Implement this for: custom exchange APIs, broker feeds, mock data\n /\nexport interface DataAdapter {\n readonly name: string;\n\n connect(config: DataAdapterConfig): void;\n disconnect(): void;\n getConnectionState(): ConnectionState;\n\n /\n Load historical bars. Called once on connect, before streaming starts.\n * Returns bars sorted by time ascending.\n /\n fetchHistory(symbol: string, timeframe: TimeFrame, limit?: number): Promise<OHLCBar[]>;\n\n on<T = unknown>(event: DataAdapterEventType, listener: DataAdapterListener<T>): void;\n off<T = unknown>(event: DataAdapterEventType, listener: DataAdapterListener<T>): void;\n\n dispose(): void;\n}\n\n// --- Stream Manager Config ---\n\nexport interface StreamConfig {\n adapter: DataAdapter;\n symbol: string;\n timeframe: TimeFrame;\n historyLimit?: number; // bars to load initially, default: 500\n autoScroll?: boolean; // scroll to end on new bar, default: true\n showCurrentPriceLine?: boolean; // default: true\n aggregateTicks?: boolean; // build bars from ticks, default: false\n reconnect?: ReconnectConfig;\n}\n\nexport interface ReconnectConfig {\n enabled: boolean; // default: true\n maxRetries: number; // default: Infinity\n baseDelay: number; // ms, default: 1000\n maxDelay: number; // ms, default: 30000\n backoffMultiplier: number; // default: 2\n}\n\nexport const DEFAULT_RECONNECT: ReconnectConfig = {\n enabled: true,\n maxRetries: Infinity,\n baseDelay: 1000,\n maxDelay: 30000,\n backoffMultiplier: 2,\n};\n\nexport const DEFAULT_STREAM_CONFIG: Partial<StreamConfig> = {\n historyLimit: 500,\n autoScroll: true,\n showCurrentPriceLine: true,\n aggregateTicks: false,\n};\n","export function clamp(value: number, min: number, max: number): number {\n return Math.max(min, Math.min(max, value));\n}\n\nexport function lerp(a: number, b: number, t: number): number {\n return a + (b - a) t;\n}\n\nexport function inverseLerp(a: number, b: number, value: number): number {\n if (a === b) return 0;\n return (value - a) / (b - a);\n}\n\nexport function roundToStep(value: number, step: number): number {\n return Math.round(value / step) * step;\n}\n\nexport function niceNumber(value: number, round: boolean): number {\n const exp = Math.floor(Math.log10(value));\n const frac = value / Math.pow(10, exp);\n let nice: number;\n if (round) {\n if (frac < 1.5) nice = 1;\n else if (frac < 3) nice = 2;\n else if (frac < 7) nice = 5;\n else nice = 10;\n } else {\n if (frac <= 1) nice = 1;\n else if (frac <= 2) nice = 2;\n else if (frac <= 5) nice = 5;\n else nice = 10;\n }\n return nice * Math.pow(10, exp);\n}\n\nexport function computeTickStep(min: number, max: number, maxTicks: number): number {\n const range = niceNumber(max - min, false);\n return niceNumber(range / (maxTicks - 1), true);\n}\n","import type { OHLCBar, DataSeries } from '../types/ohlc.js';\n\n/*\n Normalize bar timestamp to milliseconds.\n * Auto-detects: time > 1e12 is already ms, otherwise treats as seconds.\n /\nexport function normalizeBarTime(time: number): number {\n return time > 1e12 ? time : time 1000;\n}\n\n/*\n Normalize a bar's timestamp field to milliseconds.\n * Accepts either { time } (ms or s) or { t, o, h, l, c, v } wire format.\n /\nexport function normalizeBar(raw: Record<string, number>): OHLCBar {\n const time = normalizeBarTime(raw.time ?? raw.t ?? 0);\n return {\n time,\n open: raw.open ?? raw.o ?? 0,\n high: raw.high ?? raw.h ?? 0,\n low: raw.low ?? raw.l ?? 0,\n close: raw.close ?? raw.c ?? 0,\n volume: raw.volume ?? raw.v ?? 0,\n };\n}\n\nexport function sliceVisibleData(\n data: DataSeries,\n from: number,\n to: number,\n): DataSeries {\n const startIdx = Math.max(0, from);\n const endIdx = Math.min(data.length, to + 1);\n return data.slice(startIdx, endIdx);\n}\n\nexport function findBarIndex(data: DataSeries, timestamp: number): number {\n let lo = 0;\n let hi = data.length - 1;\n while (lo <= hi) {\n const mid = (lo + hi) >>> 1;\n if (data[mid].time < timestamp) lo = mid + 1;\n else if (data[mid].time > timestamp) hi = mid - 1;\n else return mid;\n }\n return lo;\n}\n\nexport function computePriceRange(\n data: DataSeries,\n from: number,\n to: number,\n padding = 0.05,\n): { min: number; max: number } {\n if (data.length === 0) return { min: 0, max: 1 };\n const startIdx = Math.max(0, from);\n const endIdx = Math.min(data.length - 1, to);\n let min = Infinity;\n let max = -Infinity;\n for (let i = startIdx; i <= endIdx; i++) {\n if (data[i].low < min) min = data[i].low;\n if (data[i].high > max) max = data[i].high;\n }\n if (min === Infinity) return { min: 0, max: 1 };\n const range = max - min \|\| 1;\n return {\n min: min - range padding,\n max: max + range * padding,\n };\n}\n\nexport function mergeBar(existing: OHLCBar, tick: { price: number; volume?: number; time: number }): OHLCBar {\n return {\n ...existing,\n high: Math.max(existing.high, tick.price),\n low: Math.min(existing.low, tick.price),\n close: tick.price,\n volume: existing.volume + (tick.volume ?? 0),\n time: tick.time,\n };\n}\n","export function hexToRgba(hex: string, alpha = 1): string {\n const r = parseInt(hex.slice(1, 3), 16);\n const g = parseInt(hex.slice(3, 5), 16);\n const b = parseInt(hex.slice(5, 7), 16);\n return `rgba(${r}, ${g}, ${b}, ${alpha})`;\n}\n\nexport function withAlpha(color: string, alpha: number): string {\n if (color.startsWith('#')) {\n return hexToRgba(color, alpha);\n }\n const rgbaMatch = color.match(/rgba?\\((\\d+),\\s(\\d+),\\s(\\d+)/);\n if (rgbaMatch) {\n return `rgba(${rgbaMatch[1]}, ${rgbaMatch[2]}, ${rgbaMatch[3]}, ${alpha})`;\n }\n return color;\n}\n\nexport function lerpColor(colorA: string, colorB: string, t: number): string {\n const parseHex = (hex: string) => {\n hex = hex.replace('#', '');\n if (hex.length === 3) hex = hex[0] + hex[0] + hex[1] + hex[1] + hex[2] + hex[2];\n return {\n r: parseInt(hex.slice(0, 2), 16),\n g: parseInt(hex.slice(2, 4), 16),\n b: parseInt(hex.slice(4, 6), 16),\n };\n };\n const a = parseHex(colorA);\n const b = parseHex(colorB);\n const r = Math.round(a.r + (b.r - a.r) * t);\n const g = Math.round(a.g + (b.g - a.g) * t);\n const bl = Math.round(a.b + (b.b - a.b) * t);\n return `rgb(${r},${g},${bl})`;\n}\n","import type { TimeFrame } from '../types/ohlc.js';\n\nconst TIMEFRAME_MS: Record<TimeFrame, number> = {\n '1s': 1_000,\n '5s': 5_000,\n '15s': 15_000,\n '30s': 30_000,\n '1m': 60_000,\n '3m': 180_000,\n '5m': 300_000,\n '15m': 900_000,\n '30m': 1_800_000,\n '45m': 2_700_000,\n '1h': 3_600_000,\n '2h': 7_200_000,\n '3h': 10_800_000,\n '4h': 14_400_000,\n '6h': 21_600_000,\n '8h': 28_800_000,\n '12h': 43_200_000,\n '1d': 86_400_000,\n '2d': 172_800_000,\n '3d': 259_200_000,\n '1w': 604_800_000,\n '2w': 1_209_600_000,\n '1M': 2_592_000_000,\n '3M': 7_776_000_000,\n '6M': 15_552_000_000,\n '12M': 31_536_000_000,\n};\n\nexport function timeframeToMs(tf: TimeFrame): number {\n return TIMEFRAME_MS[tf];\n}\n\nexport function formatTimestamp(timestamp: number, tf: TimeFrame): string {\n const d = new Date(timestamp);\n const ms = TIMEFRAME_MS[tf];\n if (ms >= 86_400_000) {\n return d.toLocaleDateString(undefined, { month: 'short', day: 'numeric' });\n }\n if (ms >= 3_600_000) {\n return d.toLocaleTimeString(undefined, { hour: '2-digit', minute: '2-digit' });\n }\n return d.toLocaleTimeString(undefined, { hour: '2-digit', minute: '2-digit', second: '2-digit' });\n}\n\nexport function alignToTimeframe(timestamp: number, tf: TimeFrame): number {\n const ms = TIMEFRAME_MS[tf];\n return Math.floor(timestamp / ms) * ms;\n}\n\nexport interface TimeParts {\n month: number; // 1-12\n day: number;\n hours: number;\n minutes: number;\n}\n\n/*\n Calendar parts of a timestamp in either the browser-local timezone\n * (`tzOffsetMinutes === null`) or a fixed UTC offset (e.g. -300 for EST).\n /\nexport function timeParts(timeMs: number, tzOffsetMinutes: number \| null): TimeParts {\n if (tzOffsetMinutes === null) {\n const d = new Date(timeMs);\n return { month: d.getMonth() + 1, day: d.getDate(), hours: d.getHours(), minutes: d.getMinutes() };\n }\n const d = new Date(timeMs + tzOffsetMinutes 60_000);\n return { month: d.getUTCMonth() + 1, day: d.getUTCDate(), hours: d.getUTCHours(), minutes: d.getUTCMinutes() };\n}\n\n/** A short timezone label like `UTC-5` or `UTC+5:30` (browser-local when null). /\nexport function tzLabel(tzOffsetMinutes: number \| null): string {\n const min = tzOffsetMinutes === null ? -new Date().getTimezoneOffset() : tzOffsetMinutes;\n const sign = min >= 0 ? '+' : '-';\n const abs = Math.abs(min);\n const h = Math.floor(abs / 60);\n const m = abs % 60;\n return m === 0 ? `UTC${sign}${h}` : `UTC${sign}${h}:${String(m).padStart(2, '0')}`;\n}\n\n/* Day-of-week for a Monday-anchored reference week (1970-01-05 was a Monday, UTC). /\nconst WEEK_ANCHOR_MS = Date.UTC(1970, 0, 5);\n\nfunction parseTimeframe(tf: TimeFrame): { count: number; unit: 's' \| 'm' \| 'h' \| 'd' \| 'w' \| 'M' } {\n const match = /^(\\d+)([smhdwM])$/.exec(tf);\n if (!match) return { count: 1, unit: 'm' };\n return { count: parseInt(match[1], 10), unit: match[2] as 's' \| 'm' \| 'h' \| 'd' \| 'w' \| 'M' };\n}\n\n/\n Start of the bucket a timestamp falls into for a given timeframe.\n \n Intraday and daily frames are anchored to the Unix epoch (UTC) via fixed-ms\n * flooring. Weekly frames are anchored to Monday (or `weekStartsOn`), monthly\n * and yearly frames use calendar boundaries (1st of month, Jan for years) so\n * 3M aligns to quarters and 12M to calendar years.\n /\nexport function timeframeBucketStart(\n timestamp: number,\n tf: TimeFrame,\n weekStartsOn: 0 \| 1 = 1,\n): number {\n const { count, unit } = parseTimeframe(tf);\n\n if (unit === 's' \|\| unit === 'm' \|\| unit === 'h' \|\| unit === 'd') {\n const ms = TIMEFRAME_MS[tf];\n return Math.floor(timestamp / ms) ms;\n }\n\n const d = new Date(timestamp);\n\n if (unit === 'w') {\n const dayMs = TIMEFRAME_MS['1d'];\n const dow = d.getUTCDay();\n const shift = (dow - weekStartsOn + 7) % 7;\n const weekStart = Date.UTC(d.getUTCFullYear(), d.getUTCMonth(), d.getUTCDate() - shift);\n if (count <= 1) return weekStart;\n const weekIndex = Math.floor((weekStart - WEEK_ANCHOR_MS) / (7 * dayMs));\n const grouped = Math.floor(weekIndex / count) * count;\n return WEEK_ANCHOR_MS + grouped * 7 * dayMs;\n }\n\n // months / quarters / years\n const totalMonths = d.getUTCFullYear() * 12 + d.getUTCMonth();\n const grouped = Math.floor(totalMonths / count) * count;\n return Date.UTC(Math.floor(grouped / 12), grouped % 12, 1);\n}\n","export function formatPrice(value: number, precision = 2, locale = 'en-US'): string {\n return value.toLocaleString(locale, {\n minimumFractionDigits: precision,\n maximumFractionDigits: precision,\n });\n}\n\nimport type { PriceScaleMode } from '../types/rendering.js';\n\n/*\n Format a price-axis label for a given scale mode.\n \n - `regular` / `logarithmic`: the raw price.\n * - `percentage`: change from `baseline`, e.g. `+12.34%`.\n * - `indexedTo100`: the price rebased so `baseline` reads as 100.\n \n Falls back to a plain price when a baseline is required but missing/zero.\n /\nexport function formatPriceScaleLabel(\n price: number,\n mode: PriceScaleMode,\n baseline: number \| undefined,\n precision = 2,\n locale = 'en-US',\n): string {\n if ((mode === 'percentage' \|\| mode === 'indexedTo100') && baseline && baseline !== 0) {\n if (mode === 'percentage') {\n const pct = (price / baseline - 1) 100;\n const sign = pct > 0 ? '+' : '';\n return `${sign}${pct.toFixed(2)}%`;\n }\n const indexed = (price / baseline) * 100;\n return indexed.toLocaleString(locale, { minimumFractionDigits: 2, maximumFractionDigits: 2 });\n }\n return formatPrice(price, precision, locale);\n}\n\nexport function formatVolume(value: number): string {\n if (value >= 1_000_000_000) return (value / 1_000_000_000).toFixed(2) + 'B';\n if (value >= 1_000_000) return (value / 1_000_000).toFixed(2) + 'M';\n if (value >= 1_000) return (value / 1_000).toFixed(2) + 'K';\n return value.toFixed(0);\n}\n\nexport function detectPrecision(values: number[]): number {\n let maxDecimals = 0;\n for (const v of values) {\n const str = v.toString();\n const dot = str.indexOf('.');\n if (dot >= 0) {\n maxDecimals = Math.max(maxDecimals, str.length - dot - 1);\n }\n }\n return Math.min(maxDecimals, 8);\n}\n","import type { ChartOptions } from '../types/chart.js';\n\nexport const DEFAULT_CHART_OPTIONS: Required<Pick<ChartOptions, 'autoScale' \| 'rightMargin' \| 'minBarSpacing' \| 'maxBarSpacing'>> & Pick<ChartOptions, 'grid' \| 'crosshair'> = {\n autoScale: true,\n rightMargin: 5,\n minBarSpacing: 2,\n maxBarSpacing: 30,\n grid: {\n visible: true,\n hLineStyle: 'solid',\n vLineStyle: 'solid',\n },\n crosshair: {\n mode: 'magnet',\n },\n};\n\n// Standard timeframe presets for different market types\nimport type { TimeFrame } from '../types/ohlc.js';\n\n/** Crypto: all timeframes including seconds /\nexport const TIMEFRAMES_CRYPTO: TimeFrame[] = [\n '1s', '1m', '3m', '5m', '15m', '30m',\n '1h', '2h', '4h', '6h', '8h', '12h',\n '1d', '3d', '1w', '1M',\n];\n\n/* Stocks: minute-level and above (no seconds) /\nexport const TIMEFRAMES_STOCK: TimeFrame[] = [\n '1m', '5m', '15m', '30m',\n '1h', '2h', '4h',\n '1d', '1w', '1M', '3M', '6M', '12M',\n];\n\n/* Forex: common forex timeframes /\nexport const TIMEFRAMES_FOREX: TimeFrame[] = [\n '1m', '5m', '15m', '30m',\n '1h', '4h',\n '1d', '1w', '1M',\n];\n\n/* Default favorites shown in quick-access bar /\nexport const DEFAULT_TIMEFRAME_FAVORITES: TimeFrame[] = [\n '1m', '5m', '15m', '1h', '4h', '1d', '1w',\n];\n\nexport const DEFAULT_BAR_WIDTH = 8;\nexport const DEFAULT_BAR_SPACING = 2;\nexport const PRICE_AXIS_WIDTH = 70;\nexport const TIME_AXIS_HEIGHT = 30;\nexport const MIN_PANEL_HEIGHT = 60;\nexport const DEFAULT_PANEL_HEIGHT = 120;\n","import type { Theme } from '../types/theme.js';\n\nconst DEFAULT_FONT = {\n family: '-apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, sans-serif',\n sizeSmall: 10,\n sizeMedium: 12,\n sizeLarge: 14,\n};\n\nexport const DARK_THEME: Theme = {\n name: 'dark',\n background: '#131722',\n text: '#D1D4DC',\n textSecondary: '#787B86',\n grid: '#1E222D',\n crosshair: '#9598A1',\n candleUp: '#26A69A',\n candleDown: '#EF5350',\n candleUpWick: '#26A69A',\n candleDownWick: '#EF5350',\n lineColor: '#2196F3',\n areaTopColor: 'rgba(33, 150, 243, 0.4)',\n areaBottomColor: 'rgba(33, 150, 243, 0.0)',\n volumeUp: 'rgba(38, 166, 154, 0.3)',\n volumeDown: 'rgba(239, 83, 80, 0.3)',\n axisLine: '#2A2E39',\n axisLabel: '#D1D4DC',\n axisLabelBackground: '#2A2E39',\n font: DEFAULT_FONT,\n};\n\nexport const LIGHT_THEME: Theme = {\n name: 'light',\n background: '#FFFFFF',\n text: '#131722',\n textSecondary: '#787B86',\n grid: '#F0F3FA',\n crosshair: '#9598A1',\n candleUp: '#26A69A',\n candleDown: '#EF5350',\n candleUpWick: '#26A69A',\n candleDownWick: '#EF5350',\n lineColor: '#2196F3',\n areaTopColor: 'rgba(33, 150, 243, 0.4)',\n areaBottomColor: 'rgba(33, 150, 243, 0.0)',\n volumeUp: 'rgba(38, 166, 154, 0.3)',\n volumeDown: 'rgba(239, 83, 80, 0.3)',\n axisLine: '#E0E3EB',\n axisLabel: '#131722',\n axisLabelBackground: '#F0F3FA',\n font: DEFAULT_FONT,\n};\n\nexport const DARK_TERMINAL: Theme = {\n name: 'terminal',\n background: '#0E0E0E',\n text: '#C0C0C0',\n textSecondary: '#8A8A8A',\n grid: '#1A1A1A',\n crosshair: '#666666',\n candleUp: '#00FF87',\n candleDown: '#FF3B4D',\n candleUpWick: '#00FF87',\n candleDownWick: '#FF3B4D',\n lineColor: '#3D8BFD',\n areaTopColor: 'rgba(61, 139, 253, 0.3)',\n areaBottomColor: 'rgba(61, 139, 253, 0.0)',\n volumeUp: 'rgba(0, 255, 135, 0.2)',\n volumeDown: 'rgba(255, 59, 77, 0.2)',\n axisLine: '#1A1A1A',\n axisLabel: '#8A8A8A',\n axisLabelBackground: '#1A1A1A',\n font: {\n family: \"'Roboto Mono', 'JetBrains Mono', 'SF Mono', Consolas, monospace\",\n sizeSmall: 10,\n sizeMedium: 12,\n sizeLarge: 14,\n },\n};\n","import type { LocaleStrings } from './types.js';\n\nexport const en: LocaleStrings = {\n // Chart types\n candlestick: 'Candlestick',\n line: 'Line',\n area: 'Area',\n bar: 'OHLC Bar',\n\n // Axes\n price: 'Price',\n volume: 'Volume',\n time: 'Time',\n open: 'Open',\n high: 'High',\n low: 'Low',\n close: 'Close',\n\n // Indicators - overlays\n sma: 'SMA',\n ema: 'EMA',\n bollingerBands: 'Bollinger Bands',\n vwap: 'VWAP',\n ichimoku: 'Ichimoku Cloud',\n parabolicSAR: 'Parabolic SAR',\n supertrend: 'Supertrend',\n keltnerChannel: 'Keltner Channel',\n donchianChannel: 'Donchian Channel',\n\n // Indicators - panels\n rsi: 'RSI',\n macd: 'MACD',\n stochastic: 'Stochastic',\n atr: 'ATR',\n adx: 'ADX',\n obv: 'OBV',\n williamsR: 'Williams %R',\n cci: 'CCI',\n mfi: 'MFI',\n aroon: 'Aroon',\n roc: 'ROC',\n tsi: 'TSI',\n cmf: 'CMF',\n stddev: 'Std Dev',\n volumeProfile: 'Volume Profile',\n accumulationDistribution: 'A/D Line',\n vroc: 'VROC',\n\n // Drawing tools\n trendLine: 'Trend Line',\n horizontalLine: 'Horizontal Line',\n verticalLine: 'Vertical Line',\n ray: 'Ray',\n extendedLine: 'Extended Line',\n parallelChannel: 'Parallel Channel',\n regressionChannel: 'Regression Channel',\n fibRetracement: 'Fibonacci Retracement',\n fibExtension: 'Fibonacci Extension',\n rectangle: 'Rectangle',\n ellipse: 'Ellipse',\n triangle: 'Triangle',\n pitchfork: \"Andrews' Pitchfork\",\n elliottWave: 'Elliott Wave',\n priceRange: 'Price Range',\n dateRange: 'Date Range',\n measure: 'Measure',\n textTool: 'Text',\n arrow: 'Arrow',\n clearAll: 'Clear All',\n\n // Trading\n buy: 'Buy',\n sell: 'Sell',\n buyLimit: 'Buy Limit',\n sellLimit: 'Sell Limit',\n buyStop: 'Buy Stop',\n sellStop: 'Sell Stop',\n stopLoss: 'Stop Loss',\n takeProfit: 'Take Profit',\n market: 'Market',\n limit: 'Limit',\n stop: 'Stop',\n cancel: 'Cancel',\n modify: 'Modify',\n quantity: 'Qty',\n pnl: 'P&L',\n activeOrders: 'Active Orders',\n positions: 'Positions',\n noOrders: 'No active orders',\n noPositions: 'No open positions',\n placeOrder: 'Place Order',\n rightClickToTrade: 'Right-click chart to place orders',\n\n // Market\n ceiling: 'Ceiling',\n floor: 'Floor',\n reference: 'Reference',\n session: 'Session',\n preOpen: 'Pre-Open',\n continuous: 'Continuous',\n preClose: 'Pre-Close',\n closed: 'Closed',\n\n // UI\n settings: 'Settings',\n theme: 'Theme',\n darkTheme: 'Dark',\n lightTheme: 'Light',\n tools: 'Tools',\n indicators: 'Indicators',\n overlays: 'Overlays',\n panels: 'Panels',\n orders: 'Orders',\n autoScale: 'Auto Scale',\n crosshair: 'Crosshair',\n grid: 'Grid',\n loading: 'Loading...',\n error: 'Error',\n\n numberDecimalSeparator: '.',\n numberGroupSeparator: ',',\n};\n","import type { LocaleStrings } from './types.js';\n\nexport const vi: LocaleStrings = {\n // Chart types\n candlestick: 'Nến',\n line: 'Đường',\n area: 'Vùng',\n bar: 'Thanh OHLC',\n\n // Axes\n price: 'Giá',\n volume: 'Khối lượng',\n time: 'Thời gian',\n open: 'Mở',\n high: 'Cao',\n low: 'Thấp',\n close: 'Đóng',\n\n // Indicators - overlays\n sma: 'SMA',\n ema: 'EMA',\n bollingerBands: 'Dải Bollinger',\n vwap: 'VWAP',\n ichimoku: 'Mây Ichimoku',\n parabolicSAR: 'Parabolic SAR',\n supertrend: 'Supertrend',\n keltnerChannel: 'Kênh Keltner',\n donchianChannel: 'Kênh Donchian',\n\n // Indicators - panels\n rsi: 'RSI',\n macd: 'MACD',\n stochastic: 'Stochastic',\n atr: 'ATR',\n adx: 'ADX',\n obv: 'OBV',\n williamsR: 'Williams %R',\n cci: 'CCI',\n mfi: 'MFI',\n aroon: 'Aroon',\n roc: 'ROC',\n tsi: 'TSI',\n cmf: 'CMF',\n stddev: 'Độ lệch chuẩn',\n volumeProfile: 'Phân bổ KL',\n accumulationDistribution: 'Tích lũy/Phân phối',\n vroc: 'VROC',\n\n // Drawing tools\n trendLine: 'Đường xu hướng',\n horizontalLine: 'Đường ngang',\n verticalLine: 'Đường dọc',\n ray: 'Tia',\n extendedLine: 'Đường kéo dài',\n parallelChannel: 'Kênh song song',\n regressionChannel: 'Kênh hồi quy',\n fibRetracement: 'Fibonacci thoái lui',\n fibExtension: 'Fibonacci mở rộng',\n rectangle: 'Hình chữ nhật',\n ellipse: 'Hình elip',\n triangle: 'Tam giác',\n pitchfork: 'Chĩa ba Andrews',\n elliottWave: 'Sóng Elliott',\n priceRange: 'Khoảng giá',\n dateRange: 'Khoảng thời gian',\n measure: 'Đo lường',\n textTool: 'Chữ',\n arrow: 'Mũi tên',\n clearAll: 'Xóa tất cả',\n\n // Trading\n buy: 'Mua',\n sell: 'Bán',\n buyLimit: 'Mua giới hạn',\n sellLimit: 'Bán giới hạn',\n buyStop: 'Mua chặn',\n sellStop: 'Bán chặn',\n stopLoss: 'Cắt lỗ',\n takeProfit: 'Chốt lời',\n market: 'Thị trường',\n limit: 'Giới hạn',\n stop: 'Dừng',\n cancel: 'Hủy',\n modify: 'Sửa',\n quantity: 'KL',\n pnl: 'Lãi/Lỗ',\n activeOrders: 'Lệnh chờ',\n positions: 'Vị thế',\n noOrders: 'Không có lệnh chờ',\n noPositions: 'Không có vị thế mở',\n placeOrder: 'Đặt lệnh',\n rightClickToTrade: 'Nhấp chuột phải để đặt lệnh',\n\n // Market\n ceiling: 'Trần',\n floor: 'Sàn',\n reference: 'Tham chiếu',\n session: 'Phiên',\n preOpen: 'Trước giờ mở',\n continuous: 'Liên tục',\n preClose: 'Trước giờ đóng',\n closed: 'Đóng cửa',\n\n // UI\n settings: 'Cài đặt',\n theme: 'Giao diện',\n darkTheme: 'Tối',\n lightTheme: 'Sáng',\n tools: 'Công cụ',\n indicators: 'Chỉ báo',\n overlays: 'Phủ lên',\n panels: 'Bảng',\n orders: 'Lệnh',\n autoScale: 'Tự co giãn',\n crosshair: 'Chữ thập',\n grid: 'Lưới',\n loading: 'Đang tải...',\n error: 'Lỗi',\n\n numberDecimalSeparator: ',',\n numberGroupSeparator: '.',\n};\n","export type { Locale, LocaleStrings, NumberFormatConfig, DateFormatConfig } from './types.js';\nexport { en } from './en.js';\nexport { vi } from './vi.js';\n\nimport type { Locale, LocaleStrings } from './types.js';\nimport { en } from './en.js';\nimport { vi } from './vi.js';\n\nconst locales = new Map<string, LocaleStrings>([\n ['en', en],\n ['vi', vi],\n]);\n\nlet currentLocale: Locale = 'en';\nlet currentStrings: LocaleStrings = en;\n\nexport function setLocale(locale: Locale): void {\n currentLocale = locale;\n currentStrings = locales.get(locale) ?? en;\n}\n\nexport function getLocale(): Locale {\n return currentLocale;\n}\n\nexport function t(key: keyof LocaleStrings): string {\n return currentStrings[key] ?? (en as any)[key] ?? key;\n}\n\nexport function registerLocale(locale: string, strings: LocaleStrings): void {\n locales.set(locale, strings);\n}\n\nexport function getLocaleStrings(locale?: string): LocaleStrings {\n return locales.get(locale ?? currentLocale) ?? en;\n}\n\n// Number formatting\nexport function formatNumber(value: number, precision = 2, locale?: string): string {\n const strings = locales.get(locale ?? currentLocale) ?? en;\n const dec = strings.numberDecimalSeparator;\n const grp = strings.numberGroupSeparator;\n\n const fixed = value.toFixed(precision);\n const [intPart, decPart] = fixed.split('.');\n\n // Group integer part\n const negative = intPart.startsWith('-');\n const digits = negative ? intPart.slice(1) : intPart;\n let grouped = '';\n for (let i = digits.length - 1, count = 0; i >= 0; i--, count++) {\n if (count > 0 && count % 3 === 0) grouped = grp + grouped;\n grouped = digits[i] + grouped;\n }\n if (negative) grouped = '-' + grouped;\n\n return decPart ? grouped + dec + decPart : grouped;\n}\n\nexport function formatVND(value: number): string {\n return formatNumber(value, 0, 'vi');\n}\n\nexport function formatVolumeLoc(value: number, locale?: string): string {\n if (value >= 1e9) return formatNumber(value / 1e9, 2, locale ?? currentLocale) + 'B';\n if (value >= 1e6) return formatNumber(value / 1e6, 2, locale ?? currentLocale) + 'M';\n if (value >= 1e3) return formatNumber(value / 1e3, 2, locale ?? currentLocale) + 'K';\n return formatNumber(value, 0, locale ?? currentLocale);\n}\n","import type { MarketConfig, MarketColorScheme, TradingSession } from './types.js';\nimport type { Theme } from '../types/theme.js';\n\n// Vietnam stock color convention:\n// Purple/Red = ceiling (trần) - max up\n// Green/Cyan = floor (sàn) - max down\n// Yellow = reference (tham chiếu)\n// Red = up, Blue = down (common VN convention)\nexport const VN_COLORS: MarketColorScheme = {\n up: '#FF0000', // Đỏ - tăng\n down: '#0000FF', // Xanh dương - giảm\n unchanged: '#FFD700', // Vàng - tham chiếu\n ceiling: '#FF00FF', // Tím - trần\n floor: '#00FFFF', // Xanh lam - sàn\n reference: '#FFD700', // Vàng - tham chiếu\n};\n\nexport const HOSE_SESSIONS: TradingSession[] = [\n { name: 'ATO', startTime: '09:00', endTime: '09:15', type: 'preOpen' },\n { name: 'Phiên 1', startTime: '09:15', endTime: '11:30', type: 'continuous' },\n { name: 'Nghỉ trưa', startTime: '11:30', endTime: '13:00', type: 'closed' },\n { name: 'Phiên 2', startTime: '13:00', endTime: '14:30', type: 'continuous' },\n { name: 'ATC', startTime: '14:30', endTime: '14:45', type: 'preClose' },\n];\n\nexport const HNX_SESSIONS: TradingSession[] = [\n { name: 'Phiên 1', startTime: '09:00', endTime: '11:30', type: 'continuous' },\n { name: 'Nghỉ trưa', startTime: '11:30', endTime: '13:00', type: 'closed' },\n { name: 'Phiên 2', startTime: '13:00', endTime: '14:30', type: 'continuous' },\n { name: 'ATC', startTime: '14:30', endTime: '14:45', type: 'preClose' },\n];\n\n// Market presets\nexport const MARKET_HOSE: MarketConfig = {\n type: 'stock',\n exchange: 'HOSE',\n currency: 'VND',\n pricePrecision: 2,\n volumeUnit: 10,\n priceStep: 0.05,\n priceLimits: { enabled: true, ceilingPercent: 7, floorPercent: 7 },\n sessions: HOSE_SESSIONS,\n colorScheme: VN_COLORS,\n};\n\nexport const MARKET_HNX: MarketConfig = {\n type: 'stock',\n exchange: 'HNX',\n currency: 'VND',\n pricePrecision: 1,\n volumeUnit: 100,\n priceStep: 0.1,\n priceLimits: { enabled: true, ceilingPercent: 10, floorPercent: 10 },\n sessions: HNX_SESSIONS,\n colorScheme: VN_COLORS,\n};\n\nexport const MARKET_UPCOM: MarketConfig = {\n type: 'stock',\n exchange: 'UPCOM',\n currency: 'VND',\n pricePrecision: 1,\n volumeUnit: 100,\n priceStep: 0.1,\n priceLimits: { enabled: true, ceilingPercent: 15, floorPercent: 15 },\n sessions: HNX_SESSIONS,\n colorScheme: VN_COLORS,\n};\n\nexport const MARKET_CRYPTO: MarketConfig = {\n type: 'crypto',\n currency: 'USDT',\n pricePrecision: 2,\n priceLimits: { enabled: false },\n};\n\nexport const MARKET_NYSE: MarketConfig = {\n type: 'stock',\n exchange: 'NYSE',\n currency: 'USD',\n pricePrecision: 2,\n priceStep: 0.01,\n priceLimits: { enabled: false },\n sessions: [\n { name: 'Pre-Market', startTime: '04:00', endTime: '09:30', type: 'preOpen' },\n { name: 'Regular', startTime: '09:30', endTime: '16:00', type: 'continuous' },\n { name: 'After-Hours', startTime: '16:00', endTime: '20:00', type: 'preClose' },\n ],\n};\n\n// Build a theme variant for VN stock market\nexport function createVNTheme(base: Theme): Theme {\n return {\n ...base,\n candleUp: VN_COLORS.up,\n candleDown: VN_COLORS.down,\n candleUpWick: VN_COLORS.up,\n candleDownWick: VN_COLORS.down,\n volumeUp: 'rgba(255, 0, 0, 0.3)',\n volumeDown: 'rgba(0, 0, 255, 0.3)',\n };\n}\n\nexport function computePriceLimits(referencePrice: number, config: MarketConfig): { ceiling: number; floor: number; reference: number } \| null {\n if (!config.priceLimits?.enabled \|\| !config.priceLimits.ceilingPercent) return null;\n const ceilPct = config.priceLimits.ceilingPercent / 100;\n const floorPct = (config.priceLimits.floorPercent ?? config.priceLimits.ceilingPercent) / 100;\n return {\n ceiling: referencePrice (1 + ceilPct),\n floor: referencePrice * (1 - floorPct),\n reference: referencePrice,\n };\n}\n\nexport function getCurrentSession(sessions: TradingSession[]): TradingSession \| null {\n const now = new Date();\n const hhmm = `${String(now.getHours()).padStart(2, '0')}:${String(now.getMinutes()).padStart(2, '0')}`;\n for (const session of sessions) {\n if (hhmm >= session.startTime && hhmm < session.endTime) return session;\n }\n return 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+118

-56

dist/index.js

		@@ -84,3 +84,3 @@ //#region src/types/rendering.ts
		}
		function ee(e) {
		function m(e) {
		return {
		@@ -95,7 +95,7 @@ time: p(e.time ?? e.t ?? 0),
		}
		function m(e, t, n) {
		function h(e, t, n) {
		let r = Math.max(0, t), i = Math.min(e.length, n + 1);
		return e.slice(r, i);
		}
		function h(e, t) {
		function g(e, t) {
		let n = 0, r = e.length - 1;
		@@ -110,3 +110,3 @@ for (; n <= r;) {
		}
		function g(e, t, n, r = .05) {
		function _(e, t, n, r = .05) {
		if (e.length === 0) return {
		@@ -128,3 +128,3 @@ min: 0,
		}
		function te(e, t) {
		function v(e, t) {
		return {
		@@ -141,11 +141,11 @@ ...e,
		//#region src/utils/color.ts
		function _(e, t = 1) {
		function y(e, t = 1) {
		return `rgba(${parseInt(e.slice(1, 3), 16)}, ${parseInt(e.slice(3, 5), 16)}, ${parseInt(e.slice(5, 7), 16)}, ${t})`;
		}
		function v(e, t) {
		if (e.startsWith("#")) return _(e, t);
		function b(e, t) {
		if (e.startsWith("#")) return y(e, t);
		let n = e.match(/rgba?\((\d+),\s(\d+),\s(\d+)/);
		return n ? `rgba(${n[1]}, ${n[2]}, ${n[3]}, ${t})` : e;
		}
		function y(e, t, n) {
		function x(e, t, n) {
		let r = (e) => (e = e.replace("#", ""), e.length === 3 && (e = e[0] + e[0] + e[1] + e[1] + e[2] + e[2]), {
		@@ -160,3 +160,3 @@ r: parseInt(e.slice(0, 2), 16),
		//#region src/utils/time.ts
		var b = {
		var S = {
		"1s": 1e3,
		@@ -189,7 +189,7 @@ "5s": 5e3,
		};
		function ne(e) {
		return b[e];
		function ee(e) {
		return S[e];
		}
		function re(e, t) {
		let n = new Date(e), r = b[t];
		function te(e, t) {
		let n = new Date(e), r = S[t];
		return r >= 864e5 ? n.toLocaleDateString(void 0, {
		@@ -207,9 +207,58 @@ month: "short",
		}
		function ie(e, t) {
		let n = b[t];
		function ne(e, t) {
		let n = S[t];
		return Math.floor(e / n) * n;
		}
		function re(e, t) {
		if (t === null) {
		let t = new Date(e);
		return {
		month: t.getMonth() + 1,
		day: t.getDate(),
		hours: t.getHours(),
		minutes: t.getMinutes()
		};
		}
		let n = new Date(e + t * 6e4);
		return {
		month: n.getUTCMonth() + 1,
		day: n.getUTCDate(),
		hours: n.getUTCHours(),
		minutes: n.getUTCMinutes()
		};
		}
		function ie(e) {
		let t = e === null ? -(/* @__PURE__ */ new Date()).getTimezoneOffset() : e, n = t >= 0 ? "+" : "-", r = Math.abs(t), i = Math.floor(r / 60), a = r % 60;
		return a === 0 ? `UTC${n}${i}` : `UTC${n}${i}:${String(a).padStart(2, "0")}`;
		}
		var C = Date.UTC(1970, 0, 5);
		function w(e) {
		let t = /^(\d+)([smhdwM])$/.exec(e);
		return t ? {
		count: parseInt(t[1], 10),
		unit: t[2]
		} : {
		count: 1,
		unit: "m"
		};
		}
		function T(e, t, n = 1) {
		let { count: r, unit: i } = w(t);
		if (i === "s" \|\| i === "m" \|\| i === "h" \|\| i === "d") {
		let n = S[t];
		return Math.floor(e / n) * n;
		}
		let a = new Date(e);
		if (i === "w") {
		let e = S["1d"], t = (a.getUTCDay() - n + 7) % 7, i = Date.UTC(a.getUTCFullYear(), a.getUTCMonth(), a.getUTCDate() - t);
		if (r <= 1) return i;
		let o = Math.floor((i - C) / (7 * e));
		return C + Math.floor(o / r) * r * 7 * e;
		}
		let o = a.getUTCFullYear() * 12 + a.getUTCMonth(), s = Math.floor(o / r) * r;
		return Date.UTC(Math.floor(s / 12), s % 12, 1);
		}
		//#endregion
		//#region src/utils/precision.ts
		function x(e, t = 2, n = "en-US") {
		function E(e, t = 2, n = "en-US") {
		return e.toLocaleString(n, {
		@@ -220,6 +269,19 @@ minimumFractionDigits: t,
		}
		function S(e) {
		function D(e, t, n, r = 2, i = "en-US") {
		if ((t === "percentage" \|\| t === "indexedTo100") && n && n !== 0) {
		if (t === "percentage") {
		let t = (e / n - 1) * 100;
		return `${t > 0 ? "+" : ""}${t.toFixed(2)}%`;
		}
		return (e / n * 100).toLocaleString(i, {
		minimumFractionDigits: 2,
		maximumFractionDigits: 2
		});
		}
		return E(e, r, i);
		}
		function O(e) {
		return e >= 1e9 ? (e / 1e9).toFixed(2) + "B" : e >= 1e6 ? (e / 1e6).toFixed(2) + "M" : e >= 1e3 ? (e / 1e3).toFixed(2) + "K" : e.toFixed(0);
		}
		function C(e) {
		function k(e) {
		let t = 0;
		@@ -234,3 +296,3 @@ for (let n of e) {
		//#region src/constants/defaults.ts
		var w = {
		var A = {
		autoScale: !0,
		@@ -246,3 +308,3 @@ rightMargin: 5,
		crosshair: { mode: "magnet" }
		}, T = [
		}, j = [
		"1s",
		@@ -264,3 +326,3 @@ "1m",
		"1M"
		], E = [
		], M = [
		"1m",
		@@ -279,3 +341,3 @@ "5m",
		"12M"
		], D = [
		], N = [
		"1m",
		@@ -290,3 +352,3 @@ "5m",
		"1M"
		], O = [
		], P = [
		"1m",
		@@ -299,3 +361,3 @@ "5m",
		"1w"
		], k = 8, A = 2, j = 70, M = 30, N = 60, P = 120, F = {
		], F = 8, I = 2, L = 70, R = 30, z = 60, B = 120, V = {
		family: "-apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, sans-serif",
		@@ -305,3 +367,3 @@ sizeSmall: 10,
		sizeLarge: 14
		}, I = {
		}, H = {
		name: "dark",
		@@ -325,4 +387,4 @@ background: "#131722",
		axisLabelBackground: "#2A2E39",
		font: F
		}, L = {
		font: V
		}, ae = {
		name: "light",
		@@ -346,4 +408,4 @@ background: "#FFFFFF",
		axisLabelBackground: "#F0F3FA",
		font: F
		}, R = {
		font: V
		}, U = {
		name: "terminal",
		@@ -373,3 +435,3 @@ background: "#0E0E0E",
		}
		}, z = {
		}, W = {
		candlestick: "Candlestick",
		@@ -477,3 +539,3 @@ line: "Line",
		numberGroupSeparator: ","
		}, B = {
		}, G = {
		candlestick: "Nến",
		@@ -581,28 +643,28 @@ line: "Đường",
		numberGroupSeparator: "."
		}, V = new Map([["en", z], ["vi", B]]), H = "en", U = z;
		function W(e) {
		H = e, U = V.get(e) ?? z;
		}, K = new Map([["en", W], ["vi", G]]), q = "en", J = W;
		function oe(e) {
		q = e, J = K.get(e) ?? W;
		}
		function G() {
		return H;
		function se() {
		return q;
		}
		function K(e) {
		return U[e] ?? z[e] ?? e;
		function ce(e) {
		return J[e] ?? W[e] ?? e;
		}
		function q(e, t) {
		V.set(e, t);
		function le(e, t) {
		K.set(e, t);
		}
		function J(e) {
		return V.get(e ?? H) ?? z;
		function ue(e) {
		return K.get(e ?? q) ?? W;
		}
		function Y(e, t = 2, n) {
		let r = V.get(n ?? H) ?? z, i = r.numberDecimalSeparator, a = r.numberGroupSeparator, [o, s] = e.toFixed(t).split("."), c = o.startsWith("-"), l = c ? o.slice(1) : o, u = "";
		let r = K.get(n ?? q) ?? W, i = r.numberDecimalSeparator, a = r.numberGroupSeparator, [o, s] = e.toFixed(t).split("."), c = o.startsWith("-"), l = c ? o.slice(1) : o, u = "";
		for (let e = l.length - 1, t = 0; e >= 0; e--, t++) t > 0 && t % 3 == 0 && (u = a + u), u = l[e] + u;
		return c && (u = "-" + u), s ? u + i + s : u;
		}
		function ae(e) {
		function de(e) {
		return Y(e, 0, "vi");
		}
		function oe(e, t) {
		return e >= 1e9 ? Y(e / 1e9, 2, t ?? H) + "B" : e >= 1e6 ? Y(e / 1e6, 2, t ?? H) + "M" : e >= 1e3 ? Y(e / 1e3, 2, t ?? H) + "K" : Y(e, 0, t ?? H);
		function fe(e, t) {
		return e >= 1e9 ? Y(e / 1e9, 2, t ?? q) + "B" : e >= 1e6 ? Y(e / 1e6, 2, t ?? q) + "M" : e >= 1e3 ? Y(e / 1e3, 2, t ?? q) + "K" : Y(e, 0, t ?? q);
		}
		@@ -674,3 +736,3 @@ //#endregion
		}
		], $ = {
		], pe = {
		type: "stock",
		@@ -689,3 +751,3 @@ exchange: "HOSE",
		colorScheme: X
		}, se = {
		}, me = {
		type: "stock",
		@@ -704,3 +766,3 @@ exchange: "HNX",
		colorScheme: X
		}, ce = {
		}, he = {
		type: "stock",
		@@ -719,3 +781,3 @@ exchange: "UPCOM",
		colorScheme: X
		}, le = {
		}, ge = {
		type: "crypto",
		@@ -725,3 +787,3 @@ currency: "USDT",
		priceLimits: { enabled: !1 }
		}, ue = {
		}, $ = {
		type: "stock",
		@@ -754,3 +816,3 @@ exchange: "NYSE",
		};
		function de(e) {
		function _e(e) {
		return {
		@@ -766,3 +828,3 @@ ...e,
		}
		function fe(e, t) {
		function ve(e, t) {
		if (!t.priceLimits?.enabled \|\| !t.priceLimits.ceilingPercent) return null;
		@@ -776,3 +838,3 @@ let n = t.priceLimits.ceilingPercent / 100, r = (t.priceLimits.floorPercent ?? t.priceLimits.ceilingPercent) / 100;
		}
		function pe(e) {
		function ye(e) {
		let t = /* @__PURE__ */ new Date(), n = `${String(t.getHours()).padStart(2, "0")}:${String(t.getMinutes()).padStart(2, "0")}`;
		@@ -783,4 +845,4 @@ for (let t of e) if (n >= t.startTime && n < t.endTime) return t;
		//#endregion
		export { R as DARK_TERMINAL, I as DARK_THEME, A as DEFAULT_BAR_SPACING, k as DEFAULT_BAR_WIDTH, w as DEFAULT_CHART_OPTIONS, t as DEFAULT_DRAWING_STYLE, P as DEFAULT_PANEL_HEIGHT, a as DEFAULT_RECONNECT, r as DEFAULT_SIGNAL_STYLE, o as DEFAULT_STREAM_CONFIG, O as DEFAULT_TIMEFRAME_FAVORITES, i as DEFAULT_TRADE_ZONE_STYLE, n as DEFAULT_TRADING_CONFIG, Q as HNX_SESSIONS, Z as HOSE_SESSIONS, L as LIGHT_THEME, e as LayerType, le as MARKET_CRYPTO, se as MARKET_HNX, $ as MARKET_HOSE, ue as MARKET_NYSE, ce as MARKET_UPCOM, N as MIN_PANEL_HEIGHT, j as PRICE_AXIS_WIDTH, T as TIMEFRAMES_CRYPTO, D as TIMEFRAMES_FOREX, E as TIMEFRAMES_STOCK, M as TIME_AXIS_HEIGHT, X as VN_COLORS, ie as alignToTimeframe, s as clamp, fe as computePriceLimits, g as computePriceRange, f as computeTickStep, de as createVNTheme, C as detectPrecision, z as en, h as findBarIndex, Y as formatNumber, x as formatPrice, re as formatTimestamp, ae as formatVND, S as formatVolume, oe as formatVolumeLoc, pe as getCurrentSession, G as getLocale, J as getLocaleStrings, _ as hexToRgba, l as inverseLerp, c as lerp, y as lerpColor, te as mergeBar, d as niceNumber, ee as normalizeBar, p as normalizeBarTime, q as registerLocale, u as roundToStep, W as setLocale, m as sliceVisibleData, K as t, ne as timeframeToMs, B as vi, v as withAlpha };
		export { U as DARK_TERMINAL, H as DARK_THEME, I as DEFAULT_BAR_SPACING, F as DEFAULT_BAR_WIDTH, A as DEFAULT_CHART_OPTIONS, t as DEFAULT_DRAWING_STYLE, B as DEFAULT_PANEL_HEIGHT, a as DEFAULT_RECONNECT, r as DEFAULT_SIGNAL_STYLE, o as DEFAULT_STREAM_CONFIG, P as DEFAULT_TIMEFRAME_FAVORITES, i as DEFAULT_TRADE_ZONE_STYLE, n as DEFAULT_TRADING_CONFIG, Q as HNX_SESSIONS, Z as HOSE_SESSIONS, ae as LIGHT_THEME, e as LayerType, ge as MARKET_CRYPTO, me as MARKET_HNX, pe as MARKET_HOSE, $ as MARKET_NYSE, he as MARKET_UPCOM, z as MIN_PANEL_HEIGHT, L as PRICE_AXIS_WIDTH, j as TIMEFRAMES_CRYPTO, N as TIMEFRAMES_FOREX, M as TIMEFRAMES_STOCK, R as TIME_AXIS_HEIGHT, X as VN_COLORS, ne as alignToTimeframe, s as clamp, ve as computePriceLimits, _ as computePriceRange, f as computeTickStep, _e as createVNTheme, k as detectPrecision, W as en, g as findBarIndex, Y as formatNumber, E as formatPrice, D as formatPriceScaleLabel, te as formatTimestamp, de as formatVND, O as formatVolume, fe as formatVolumeLoc, ye as getCurrentSession, se as getLocale, ue as getLocaleStrings, y as hexToRgba, l as inverseLerp, c as lerp, x as lerpColor, v as mergeBar, d as niceNumber, m as normalizeBar, p as normalizeBarTime, le as registerLocale, u as roundToStep, oe as setLocale, h as sliceVisibleData, ce as t, re as timeParts, T as timeframeBucketStart, ee as timeframeToMs, ie as tzLabel, G as vi, b as withAlpha };

		//# sourceMappingURL=index.js.map

+1

-1

dist/index.js.map

		@@ -1,1 +0,1 @@
		{"version":3,"file":"index.js","names":[],"sources":["../src/types/rendering.ts","../src/types/drawing.ts","../src/types/trading.ts","../src/types/signal.ts","../src/types/realtime.ts","../src/utils/math.ts","../src/utils/data.ts","../src/utils/color.ts","../src/utils/time.ts","../src/utils/precision.ts","../src/constants/defaults.ts","../src/constants/themes.ts","../src/i18n/en.ts","../src/i18n/vi.ts","../src/i18n/index.ts","../src/market/presets.ts"],"sourcesContent":["export interface Point {\n x: number;\n y: number;\n}\n\nexport interface Size {\n width: number;\n height: number;\n}\n\nexport interface Rect {\n x: number;\n y: number;\n width: number;\n height: number;\n}\n\nexport interface ViewportState {\n visibleRange: { from: number; to: number };\n priceRange: { min: number; max: number };\n barWidth: number;\n barSpacing: number;\n offset: number;\n chartRect: Rect;\n logScale?: boolean;\n /*\n Optional reference to the current bar series. When set, drawings/indicators\n * treat `anchor.time` as a real timestamp and convert to bar index via\n * `timestampToBarIndex(time, data)` at render/hit-test time. This lets\n * anchors survive timeframe / symbol switches like TradingView. When unset,\n * `anchor.time` is treated as a raw bar index (legacy behavior).\n /\n data?: ReadonlyArray<{ time: number }>;\n}\n\nexport enum LayerType {\n Background = 0,\n Main = 1,\n Panel = 2,\n Overlay = 3,\n UI = 4,\n}\n","import type { Point, ViewportState } from './rendering.js';\n\nexport type DrawingToolType =\n \| 'trendLine' \| 'horizontalLine' \| 'verticalLine' \| 'ray' \| 'extendedLine'\n \| 'parallelChannel' \| 'regressionChannel'\n \| 'fibRetracement' \| 'fibExtension' \| 'fibTimeZones'\n \| 'rectangle' \| 'ellipse' \| 'triangle'\n \| 'pitchfork' \| 'elliottWave'\n \| 'priceRange' \| 'dateRange' \| 'measure'\n \| 'text' \| 'arrow'\n \| 'gannFan' \| 'gannBox'\n \| 'anchoredVWAP'\n \| 'volumeProfileRange';\n\nexport interface AnchorPoint {\n time: number;\n price: number;\n}\n\nexport interface DrawingStyle {\n color: string;\n lineWidth: number;\n lineStyle: 'solid' \| 'dashed' \| 'dotted';\n fillColor?: string;\n fillOpacity?: number;\n fontSize?: number;\n text?: string;\n}\n\nexport interface DrawingState {\n id: string;\n type: DrawingToolType;\n anchors: AnchorPoint[];\n style: DrawingStyle;\n visible: boolean;\n locked: boolean;\n meta?: Record<string, unknown>;\n}\n\nexport interface DrawingDescriptor {\n type: DrawingToolType;\n name: string;\n requiredAnchors: number;\n singleClick?: boolean;\n}\n\nexport interface DrawingPlugin {\n descriptor: DrawingDescriptor;\n render(\n ctx: CanvasRenderingContext2D,\n state: DrawingState,\n viewport: ViewportState,\n selected: boolean,\n ): void;\n hitTest(\n point: Point,\n state: DrawingState,\n viewport: ViewportState,\n tolerance: number,\n ): boolean;\n hitTestAnchor(\n point: Point,\n state: DrawingState,\n viewport: ViewportState,\n tolerance: number,\n ): number;\n}\n\nexport const DEFAULT_DRAWING_STYLE: DrawingStyle = {\n color: '#2196F3',\n lineWidth: 1,\n lineStyle: 'solid',\n fillColor: 'rgba(33, 150, 243, 0.1)',\n fillOpacity: 0.1,\n fontSize: 12,\n};\n","export type OrderSide = 'buy' \| 'sell';\r\nexport type OrderType = 'market' \| 'limit' \| 'stop' \| 'stopLimit';\r\nexport type OrderStatus = 'pending' \| 'filled' \| 'cancelled' \| 'rejected';\r\nexport type OrderLabel = 'LIMIT' \| 'STOP' \| 'SL' \| 'TP' \| 'STOP LIMIT';\r\n\r\nexport interface TradingOrder {\r\n id: string;\r\n side: OrderSide;\r\n type: OrderType;\r\n price: number;\r\n stopPrice?: number;\r\n quantity: number;\r\n label?: OrderLabel;\r\n draggable?: boolean;\r\n meta?: Record<string, unknown>;\r\n}\r\n\r\nexport interface TradingPosition {\r\n id: string;\r\n side: OrderSide;\r\n entryPrice: number;\r\n quantity: number;\r\n /* Quantity already closed (for partial-close visualization). 0 ≤ closedQuantity ≤ quantity. /\r\n closedQuantity?: number;\r\n stopLoss?: number;\r\n takeProfit?: number;\r\n meta?: Record<string, unknown>;\r\n}\r\n\r\n/* Threshold-based P&L color stop. Sorted ascending by `pnl` is recommended. /\r\nexport interface PnLThreshold {\r\n /* Inclusive lower bound. Use -Infinity for the bottom-most stop. /\r\n pnl: number;\r\n color: string;\r\n}\r\n\r\n/* Tokens passed to position label templates. /\r\nexport interface PositionLabelContext {\r\n side: OrderSide;\r\n quantity: number;\r\n closedQuantity: number;\r\n openQuantity: number;\r\n entryPrice: number;\r\n currentPrice: number;\r\n pnl: number;\r\n pnlPct: number;\r\n precision: number;\r\n}\r\n\r\nexport interface DepthLevel {\r\n price: number;\r\n volume: number;\r\n}\r\n\r\nexport interface DepthData {\r\n bids: DepthLevel[];\r\n asks: DepthLevel[];\r\n}\r\n\r\nexport interface TradingConfig {\r\n enabled: boolean;\r\n orderColors?: { buy?: string; sell?: string };\r\n positionColors?: { profit?: string; loss?: string; entry?: string };\r\n /\r\n Optional gradient of colors keyed to P&L value. When provided, the rendered\r\n * position zone uses the color of the highest threshold whose `pnl` ≤ live P&L.\r\n * Falls back to `positionColors.profit`/`.loss` when unset.\r\n /\r\n pnlThresholds?: PnLThreshold[];\r\n /\r\n Position P&L label template. Supports tokens: {side} {qty} {closedQty}\r\n * {openQty} {entry} {price} {pnl} {pnlPct} {pnlSign}. Pass a function for\r\n * full control. Default: `{side} {qty} \| P&L: {pnlSign}{pnl}`.\r\n /\r\n positionLabel?: string \| ((ctx: PositionLabelContext) => string);\r\n depthOverlay?: {\r\n enabled?: boolean;\r\n bidColor?: string;\r\n askColor?: string;\r\n maxWidth?: number;\r\n };\r\n contextMenu?: { enabled?: boolean };\r\n pricePrecision?: number;\r\n dragThreshold?: number;\r\n}\r\n\r\nexport interface OrderPlaceIntent {\r\n side: OrderSide;\r\n type: OrderType;\r\n price: number;\r\n stopPrice?: number;\r\n quantity?: number;\r\n}\r\n\r\nexport interface OrderModifyIntent {\r\n orderId: string;\r\n newPrice: number;\r\n previousPrice: number;\r\n}\r\n\r\nexport interface OrderCancelIntent {\r\n orderId: string;\r\n}\r\n\r\nexport interface PositionModifyIntent {\r\n positionId: string;\r\n stopLoss?: number;\r\n takeProfit?: number;\r\n}\r\n\r\nexport interface PositionCloseIntent {\r\n positionId: string;\r\n}\r\n\r\nexport const DEFAULT_TRADING_CONFIG: TradingConfig = {\r\n enabled: true,\r\n orderColors: { buy: '#26A69A', sell: '#EF5350' },\r\n positionColors: { profit: '#26A69A', loss: '#EF5350', entry: '#2196F3' },\r\n depthOverlay: { enabled: false, bidColor: 'rgba(38,166,154,0.15)', askColor: 'rgba(239,83,80,0.15)', maxWidth: 100 },\r\n contextMenu: { enabled: true },\r\n pricePrecision: 2,\r\n dragThreshold: 3,\r\n};\r\n","export type SignalDirection = 'long' \| 'short' \| 'neutral';\n\nexport interface SignalMarker {\n id: string;\n time: number;\n price: number;\n direction: SignalDirection;\n confidence: number;\n source: string;\n label?: string;\n color?: string;\n meta?: Record<string, unknown>;\n}\n\nexport interface SignalMarkerStyle {\n longColor?: string;\n shortColor?: string;\n neutralColor?: string;\n arrowSize?: number;\n showLabel?: boolean;\n showConfidence?: boolean;\n sourceColors?: Record<string, string>;\n}\n\nexport const DEFAULT_SIGNAL_STYLE: SignalMarkerStyle = {\n longColor: '#26A69A',\n shortColor: '#EF5350',\n neutralColor: '#9E9E9E',\n arrowSize: 12,\n showLabel: true,\n showConfidence: true,\n};\n\nexport type TradeZoneDirection = 'long' \| 'short';\n\nexport interface TradeZone {\n id: string;\n entryTime: number;\n entryPrice: number;\n exitTime?: number;\n exitPrice?: number;\n direction: TradeZoneDirection;\n pnl?: number;\n pnlPercent?: number;\n label?: string;\n meta?: Record<string, unknown>;\n}\n\nexport interface TradeZoneStyle {\n profitColor?: string;\n lossColor?: string;\n activeColor?: string;\n fillOpacity?: number;\n borderWidth?: number;\n showLabel?: boolean;\n showPnl?: boolean;\n}\n\nexport const DEFAULT_TRADE_ZONE_STYLE: TradeZoneStyle = {\n profitColor: '#26A69A',\n lossColor: '#EF5350',\n activeColor: '#2196F3',\n fillOpacity: 0.12,\n borderWidth: 1,\n showLabel: true,\n showPnl: true,\n};\n","import type { OHLCBar, TimeFrame } from './ohlc.js';\n\n// --- Connection ---\n\nexport type ConnectionState = 'disconnected' \| 'connecting' \| 'connected' \| 'reconnecting' \| 'error';\n\nexport interface ConnectionInfo {\n state: ConnectionState;\n latency?: number;\n reconnectAttempt?: number;\n lastMessageTime?: number;\n error?: string;\n}\n\n// --- Ticks & Trades ---\n\nexport interface RawTick {\n time: number;\n price: number;\n volume: number;\n side?: 'buy' \| 'sell';\n}\n\nexport interface AggregatedBar extends OHLCBar {\n closed: boolean; // true when bar is finalized\n tickCount: number; // number of ticks in this bar\n}\n\n// --- Data Adapter (Strategy Pattern) ---\n\nexport interface DataAdapterConfig {\n symbol: string;\n timeframe: TimeFrame;\n reconnect?: boolean; // default: true\n reconnectMaxRetries?: number; // default: Infinity\n reconnectBaseDelay?: number; // ms, default: 1000\n reconnectMaxDelay?: number; // ms, default: 30000\n heartbeatInterval?: number; // ms, default: 30000\n bufferSize?: number; // max ticks to buffer, default: 1000\n}\n\nexport type DataAdapterEventType =\n \| 'tick'\n \| 'bar'\n \| 'barClose'\n \| 'snapshot' // initial historical data loaded\n \| 'connectionChange'\n \| 'error';\n\nexport interface DataAdapterEvent<T = unknown> {\n type: DataAdapterEventType;\n data: T;\n timestamp: number;\n}\n\nexport type DataAdapterListener<T = unknown> = (event: DataAdapterEvent<T>) => void;\n\n/\n Data adapter interface. Implements the observer pattern:\n * - connect() to start receiving data\n * - on('bar'\|'tick'\|'connectionChange', handler) to receive events\n * - disconnect() to stop, then connect() again to switch symbols/timeframes\n * - No separate subscribe/unsubscribe — reconnect is the intended pattern\n \n Strategy pattern for pluggable data sources.\n * Implementations handle the specifics of each data source (WebSocket, REST,\n * SSE, etc.) while the StreamManager orchestrates lifecycle and aggregation.\n \n Built-in: BinanceAdapter\n * Implement this for: custom exchange APIs, broker feeds, mock data\n /\nexport interface DataAdapter {\n readonly name: string;\n\n connect(config: DataAdapterConfig): void;\n disconnect(): void;\n getConnectionState(): ConnectionState;\n\n /\n Load historical bars. Called once on connect, before streaming starts.\n * Returns bars sorted by time ascending.\n /\n fetchHistory(symbol: string, timeframe: TimeFrame, limit?: number): Promise<OHLCBar[]>;\n\n on<T = unknown>(event: DataAdapterEventType, listener: DataAdapterListener<T>): void;\n off<T = unknown>(event: DataAdapterEventType, listener: DataAdapterListener<T>): void;\n\n dispose(): void;\n}\n\n// --- Stream Manager Config ---\n\nexport interface StreamConfig {\n adapter: DataAdapter;\n symbol: string;\n timeframe: TimeFrame;\n historyLimit?: number; // bars to load initially, default: 500\n autoScroll?: boolean; // scroll to end on new bar, default: true\n showCurrentPriceLine?: boolean; // default: true\n aggregateTicks?: boolean; // build bars from ticks, default: false\n reconnect?: ReconnectConfig;\n}\n\nexport interface ReconnectConfig {\n enabled: boolean; // default: true\n maxRetries: number; // default: Infinity\n baseDelay: number; // ms, default: 1000\n maxDelay: number; // ms, default: 30000\n backoffMultiplier: number; // default: 2\n}\n\nexport const DEFAULT_RECONNECT: ReconnectConfig = {\n enabled: true,\n maxRetries: Infinity,\n baseDelay: 1000,\n maxDelay: 30000,\n backoffMultiplier: 2,\n};\n\nexport const DEFAULT_STREAM_CONFIG: Partial<StreamConfig> = {\n historyLimit: 500,\n autoScroll: true,\n showCurrentPriceLine: true,\n aggregateTicks: false,\n};\n","export function clamp(value: number, min: number, max: number): number {\n return Math.max(min, Math.min(max, value));\n}\n\nexport function lerp(a: number, b: number, t: number): number {\n return a + (b - a) t;\n}\n\nexport function inverseLerp(a: number, b: number, value: number): number {\n if (a === b) return 0;\n return (value - a) / (b - a);\n}\n\nexport function roundToStep(value: number, step: number): number {\n return Math.round(value / step) * step;\n}\n\nexport function niceNumber(value: number, round: boolean): number {\n const exp = Math.floor(Math.log10(value));\n const frac = value / Math.pow(10, exp);\n let nice: number;\n if (round) {\n if (frac < 1.5) nice = 1;\n else if (frac < 3) nice = 2;\n else if (frac < 7) nice = 5;\n else nice = 10;\n } else {\n if (frac <= 1) nice = 1;\n else if (frac <= 2) nice = 2;\n else if (frac <= 5) nice = 5;\n else nice = 10;\n }\n return nice * Math.pow(10, exp);\n}\n\nexport function computeTickStep(min: number, max: number, maxTicks: number): number {\n const range = niceNumber(max - min, false);\n return niceNumber(range / (maxTicks - 1), true);\n}\n","import type { OHLCBar, DataSeries } from '../types/ohlc.js';\n\n/*\n Normalize bar timestamp to milliseconds.\n * Auto-detects: time > 1e12 is already ms, otherwise treats as seconds.\n /\nexport function normalizeBarTime(time: number): number {\n return time > 1e12 ? time : time 1000;\n}\n\n/*\n Normalize a bar's timestamp field to milliseconds.\n * Accepts either { time } (ms or s) or { t, o, h, l, c, v } wire format.\n /\nexport function normalizeBar(raw: Record<string, number>): OHLCBar {\n const time = normalizeBarTime(raw.time ?? raw.t ?? 0);\n return {\n time,\n open: raw.open ?? raw.o ?? 0,\n high: raw.high ?? raw.h ?? 0,\n low: raw.low ?? raw.l ?? 0,\n close: raw.close ?? raw.c ?? 0,\n volume: raw.volume ?? raw.v ?? 0,\n };\n}\n\nexport function sliceVisibleData(\n data: DataSeries,\n from: number,\n to: number,\n): DataSeries {\n const startIdx = Math.max(0, from);\n const endIdx = Math.min(data.length, to + 1);\n return data.slice(startIdx, endIdx);\n}\n\nexport function findBarIndex(data: DataSeries, timestamp: number): number {\n let lo = 0;\n let hi = data.length - 1;\n while (lo <= hi) {\n const mid = (lo + hi) >>> 1;\n if (data[mid].time < timestamp) lo = mid + 1;\n else if (data[mid].time > timestamp) hi = mid - 1;\n else return mid;\n }\n return lo;\n}\n\nexport function computePriceRange(\n data: DataSeries,\n from: number,\n to: number,\n padding = 0.05,\n): { min: number; max: number } {\n if (data.length === 0) return { min: 0, max: 1 };\n const startIdx = Math.max(0, from);\n const endIdx = Math.min(data.length - 1, to);\n let min = Infinity;\n let max = -Infinity;\n for (let i = startIdx; i <= endIdx; i++) {\n if (data[i].low < min) min = data[i].low;\n if (data[i].high > max) max = data[i].high;\n }\n if (min === Infinity) return { min: 0, max: 1 };\n const range = max - min \|\| 1;\n return {\n min: min - range padding,\n max: max + range * padding,\n };\n}\n\nexport function mergeBar(existing: OHLCBar, tick: { price: number; volume?: number; time: number }): OHLCBar {\n return {\n ...existing,\n high: Math.max(existing.high, tick.price),\n low: Math.min(existing.low, tick.price),\n close: tick.price,\n volume: existing.volume + (tick.volume ?? 0),\n time: tick.time,\n };\n}\n","export function hexToRgba(hex: string, alpha = 1): string {\n const r = parseInt(hex.slice(1, 3), 16);\n const g = parseInt(hex.slice(3, 5), 16);\n const b = parseInt(hex.slice(5, 7), 16);\n return `rgba(${r}, ${g}, ${b}, ${alpha})`;\n}\n\nexport function withAlpha(color: string, alpha: number): string {\n if (color.startsWith('#')) {\n return hexToRgba(color, alpha);\n }\n const rgbaMatch = color.match(/rgba?\\((\\d+),\\s(\\d+),\\s(\\d+)/);\n if (rgbaMatch) {\n return `rgba(${rgbaMatch[1]}, ${rgbaMatch[2]}, ${rgbaMatch[3]}, ${alpha})`;\n }\n return color;\n}\n\nexport function lerpColor(colorA: string, colorB: string, t: number): string {\n const parseHex = (hex: string) => {\n hex = hex.replace('#', '');\n if (hex.length === 3) hex = hex[0] + hex[0] + hex[1] + hex[1] + hex[2] + hex[2];\n return {\n r: parseInt(hex.slice(0, 2), 16),\n g: parseInt(hex.slice(2, 4), 16),\n b: parseInt(hex.slice(4, 6), 16),\n };\n };\n const a = parseHex(colorA);\n const b = parseHex(colorB);\n const r = Math.round(a.r + (b.r - a.r) * t);\n const g = Math.round(a.g + (b.g - a.g) * t);\n const bl = Math.round(a.b + (b.b - a.b) * t);\n return `rgb(${r},${g},${bl})`;\n}\n","import type { TimeFrame } from '../types/ohlc.js';\n\nconst TIMEFRAME_MS: Record<TimeFrame, number> = {\n '1s': 1_000,\n '5s': 5_000,\n '15s': 15_000,\n '30s': 30_000,\n '1m': 60_000,\n '3m': 180_000,\n '5m': 300_000,\n '15m': 900_000,\n '30m': 1_800_000,\n '45m': 2_700_000,\n '1h': 3_600_000,\n '2h': 7_200_000,\n '3h': 10_800_000,\n '4h': 14_400_000,\n '6h': 21_600_000,\n '8h': 28_800_000,\n '12h': 43_200_000,\n '1d': 86_400_000,\n '2d': 172_800_000,\n '3d': 259_200_000,\n '1w': 604_800_000,\n '2w': 1_209_600_000,\n '1M': 2_592_000_000,\n '3M': 7_776_000_000,\n '6M': 15_552_000_000,\n '12M': 31_536_000_000,\n};\n\nexport function timeframeToMs(tf: TimeFrame): number {\n return TIMEFRAME_MS[tf];\n}\n\nexport function formatTimestamp(timestamp: number, tf: TimeFrame): string {\n const d = new Date(timestamp);\n const ms = TIMEFRAME_MS[tf];\n if (ms >= 86_400_000) {\n return d.toLocaleDateString(undefined, { month: 'short', day: 'numeric' });\n }\n if (ms >= 3_600_000) {\n return d.toLocaleTimeString(undefined, { hour: '2-digit', minute: '2-digit' });\n }\n return d.toLocaleTimeString(undefined, { hour: '2-digit', minute: '2-digit', second: '2-digit' });\n}\n\nexport function alignToTimeframe(timestamp: number, tf: TimeFrame): number {\n const ms = TIMEFRAME_MS[tf];\n return Math.floor(timestamp / ms) * ms;\n}\n","export function formatPrice(value: number, precision = 2, locale = 'en-US'): string {\n return value.toLocaleString(locale, {\n minimumFractionDigits: precision,\n maximumFractionDigits: precision,\n });\n}\n\nexport function formatVolume(value: number): string {\n if (value >= 1_000_000_000) return (value / 1_000_000_000).toFixed(2) + 'B';\n if (value >= 1_000_000) return (value / 1_000_000).toFixed(2) + 'M';\n if (value >= 1_000) return (value / 1_000).toFixed(2) + 'K';\n return value.toFixed(0);\n}\n\nexport function detectPrecision(values: number[]): number {\n let maxDecimals = 0;\n for (const v of values) {\n const str = v.toString();\n const dot = str.indexOf('.');\n if (dot >= 0) {\n maxDecimals = Math.max(maxDecimals, str.length - dot - 1);\n }\n }\n return Math.min(maxDecimals, 8);\n}\n","import type { ChartOptions } from '../types/chart.js';\n\nexport const DEFAULT_CHART_OPTIONS: Required<Pick<ChartOptions, 'autoScale' \| 'rightMargin' \| 'minBarSpacing' \| 'maxBarSpacing'>> & Pick<ChartOptions, 'grid' \| 'crosshair'> = {\n autoScale: true,\n rightMargin: 5,\n minBarSpacing: 2,\n maxBarSpacing: 30,\n grid: {\n visible: true,\n hLineStyle: 'solid',\n vLineStyle: 'solid',\n },\n crosshair: {\n mode: 'magnet',\n },\n};\n\n// Standard timeframe presets for different market types\nimport type { TimeFrame } from '../types/ohlc.js';\n\n/** Crypto: all timeframes including seconds /\nexport const TIMEFRAMES_CRYPTO: TimeFrame[] = [\n '1s', '1m', '3m', '5m', '15m', '30m',\n '1h', '2h', '4h', '6h', '8h', '12h',\n '1d', '3d', '1w', '1M',\n];\n\n/* Stocks: minute-level and above (no seconds) /\nexport const TIMEFRAMES_STOCK: TimeFrame[] = [\n '1m', '5m', '15m', '30m',\n '1h', '2h', '4h',\n '1d', '1w', '1M', '3M', '6M', '12M',\n];\n\n/* Forex: common forex timeframes /\nexport const TIMEFRAMES_FOREX: TimeFrame[] = [\n '1m', '5m', '15m', '30m',\n '1h', '4h',\n '1d', '1w', '1M',\n];\n\n/* Default favorites shown in quick-access bar /\nexport const DEFAULT_TIMEFRAME_FAVORITES: TimeFrame[] = [\n '1m', '5m', '15m', '1h', '4h', '1d', '1w',\n];\n\nexport const DEFAULT_BAR_WIDTH = 8;\nexport const DEFAULT_BAR_SPACING = 2;\nexport const PRICE_AXIS_WIDTH = 70;\nexport const TIME_AXIS_HEIGHT = 30;\nexport const MIN_PANEL_HEIGHT = 60;\nexport const DEFAULT_PANEL_HEIGHT = 120;\n","import type { Theme } from '../types/theme.js';\n\nconst DEFAULT_FONT = {\n family: '-apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, sans-serif',\n sizeSmall: 10,\n sizeMedium: 12,\n sizeLarge: 14,\n};\n\nexport const DARK_THEME: Theme = {\n name: 'dark',\n background: '#131722',\n text: '#D1D4DC',\n textSecondary: '#787B86',\n grid: '#1E222D',\n crosshair: '#9598A1',\n candleUp: '#26A69A',\n candleDown: '#EF5350',\n candleUpWick: '#26A69A',\n candleDownWick: '#EF5350',\n lineColor: '#2196F3',\n areaTopColor: 'rgba(33, 150, 243, 0.4)',\n areaBottomColor: 'rgba(33, 150, 243, 0.0)',\n volumeUp: 'rgba(38, 166, 154, 0.3)',\n volumeDown: 'rgba(239, 83, 80, 0.3)',\n axisLine: '#2A2E39',\n axisLabel: '#D1D4DC',\n axisLabelBackground: '#2A2E39',\n font: DEFAULT_FONT,\n};\n\nexport const LIGHT_THEME: Theme = {\n name: 'light',\n background: '#FFFFFF',\n text: '#131722',\n textSecondary: '#787B86',\n grid: '#F0F3FA',\n crosshair: '#9598A1',\n candleUp: '#26A69A',\n candleDown: '#EF5350',\n candleUpWick: '#26A69A',\n candleDownWick: '#EF5350',\n lineColor: '#2196F3',\n areaTopColor: 'rgba(33, 150, 243, 0.4)',\n areaBottomColor: 'rgba(33, 150, 243, 0.0)',\n volumeUp: 'rgba(38, 166, 154, 0.3)',\n volumeDown: 'rgba(239, 83, 80, 0.3)',\n axisLine: '#E0E3EB',\n axisLabel: '#131722',\n axisLabelBackground: '#F0F3FA',\n font: DEFAULT_FONT,\n};\n\nexport const DARK_TERMINAL: Theme = {\n name: 'terminal',\n background: '#0E0E0E',\n text: '#C0C0C0',\n textSecondary: '#8A8A8A',\n grid: '#1A1A1A',\n crosshair: '#666666',\n candleUp: '#00FF87',\n candleDown: '#FF3B4D',\n candleUpWick: '#00FF87',\n candleDownWick: '#FF3B4D',\n lineColor: '#3D8BFD',\n areaTopColor: 'rgba(61, 139, 253, 0.3)',\n areaBottomColor: 'rgba(61, 139, 253, 0.0)',\n volumeUp: 'rgba(0, 255, 135, 0.2)',\n volumeDown: 'rgba(255, 59, 77, 0.2)',\n axisLine: '#1A1A1A',\n axisLabel: '#8A8A8A',\n axisLabelBackground: '#1A1A1A',\n font: {\n family: \"'Roboto Mono', 'JetBrains Mono', 'SF Mono', Consolas, monospace\",\n sizeSmall: 10,\n sizeMedium: 12,\n sizeLarge: 14,\n },\n};\n","import type { LocaleStrings } from './types.js';\n\nexport const en: LocaleStrings = {\n // Chart types\n candlestick: 'Candlestick',\n line: 'Line',\n area: 'Area',\n bar: 'OHLC Bar',\n\n // Axes\n price: 'Price',\n volume: 'Volume',\n time: 'Time',\n open: 'Open',\n high: 'High',\n low: 'Low',\n close: 'Close',\n\n // Indicators - overlays\n sma: 'SMA',\n ema: 'EMA',\n bollingerBands: 'Bollinger Bands',\n vwap: 'VWAP',\n ichimoku: 'Ichimoku Cloud',\n parabolicSAR: 'Parabolic SAR',\n supertrend: 'Supertrend',\n keltnerChannel: 'Keltner Channel',\n donchianChannel: 'Donchian Channel',\n\n // Indicators - panels\n rsi: 'RSI',\n macd: 'MACD',\n stochastic: 'Stochastic',\n atr: 'ATR',\n adx: 'ADX',\n obv: 'OBV',\n williamsR: 'Williams %R',\n cci: 'CCI',\n mfi: 'MFI',\n aroon: 'Aroon',\n roc: 'ROC',\n tsi: 'TSI',\n cmf: 'CMF',\n stddev: 'Std Dev',\n volumeProfile: 'Volume Profile',\n accumulationDistribution: 'A/D Line',\n vroc: 'VROC',\n\n // Drawing tools\n trendLine: 'Trend Line',\n horizontalLine: 'Horizontal Line',\n verticalLine: 'Vertical Line',\n ray: 'Ray',\n extendedLine: 'Extended Line',\n parallelChannel: 'Parallel Channel',\n regressionChannel: 'Regression Channel',\n fibRetracement: 'Fibonacci Retracement',\n fibExtension: 'Fibonacci Extension',\n rectangle: 'Rectangle',\n ellipse: 'Ellipse',\n triangle: 'Triangle',\n pitchfork: \"Andrews' Pitchfork\",\n elliottWave: 'Elliott Wave',\n priceRange: 'Price Range',\n dateRange: 'Date Range',\n measure: 'Measure',\n textTool: 'Text',\n arrow: 'Arrow',\n clearAll: 'Clear All',\n\n // Trading\n buy: 'Buy',\n sell: 'Sell',\n buyLimit: 'Buy Limit',\n sellLimit: 'Sell Limit',\n buyStop: 'Buy Stop',\n sellStop: 'Sell Stop',\n stopLoss: 'Stop Loss',\n takeProfit: 'Take Profit',\n market: 'Market',\n limit: 'Limit',\n stop: 'Stop',\n cancel: 'Cancel',\n modify: 'Modify',\n quantity: 'Qty',\n pnl: 'P&L',\n activeOrders: 'Active Orders',\n positions: 'Positions',\n noOrders: 'No active orders',\n noPositions: 'No open positions',\n placeOrder: 'Place Order',\n rightClickToTrade: 'Right-click chart to place orders',\n\n // Market\n ceiling: 'Ceiling',\n floor: 'Floor',\n reference: 'Reference',\n session: 'Session',\n preOpen: 'Pre-Open',\n continuous: 'Continuous',\n preClose: 'Pre-Close',\n closed: 'Closed',\n\n // UI\n settings: 'Settings',\n theme: 'Theme',\n darkTheme: 'Dark',\n lightTheme: 'Light',\n tools: 'Tools',\n indicators: 'Indicators',\n overlays: 'Overlays',\n panels: 'Panels',\n orders: 'Orders',\n autoScale: 'Auto Scale',\n crosshair: 'Crosshair',\n grid: 'Grid',\n loading: 'Loading...',\n error: 'Error',\n\n numberDecimalSeparator: '.',\n numberGroupSeparator: ',',\n};\n","import type { LocaleStrings } from './types.js';\n\nexport const vi: LocaleStrings = {\n // Chart types\n candlestick: 'Nến',\n line: 'Đường',\n area: 'Vùng',\n bar: 'Thanh OHLC',\n\n // Axes\n price: 'Giá',\n volume: 'Khối lượng',\n time: 'Thời gian',\n open: 'Mở',\n high: 'Cao',\n low: 'Thấp',\n close: 'Đóng',\n\n // Indicators - overlays\n sma: 'SMA',\n ema: 'EMA',\n bollingerBands: 'Dải Bollinger',\n vwap: 'VWAP',\n ichimoku: 'Mây Ichimoku',\n parabolicSAR: 'Parabolic SAR',\n supertrend: 'Supertrend',\n keltnerChannel: 'Kênh Keltner',\n donchianChannel: 'Kênh Donchian',\n\n // Indicators - panels\n rsi: 'RSI',\n macd: 'MACD',\n stochastic: 'Stochastic',\n atr: 'ATR',\n adx: 'ADX',\n obv: 'OBV',\n williamsR: 'Williams %R',\n cci: 'CCI',\n mfi: 'MFI',\n aroon: 'Aroon',\n roc: 'ROC',\n tsi: 'TSI',\n cmf: 'CMF',\n stddev: 'Độ lệch chuẩn',\n volumeProfile: 'Phân bổ KL',\n accumulationDistribution: 'Tích lũy/Phân phối',\n vroc: 'VROC',\n\n // Drawing tools\n trendLine: 'Đường xu hướng',\n horizontalLine: 'Đường ngang',\n verticalLine: 'Đường dọc',\n ray: 'Tia',\n extendedLine: 'Đường kéo dài',\n parallelChannel: 'Kênh song song',\n regressionChannel: 'Kênh hồi quy',\n fibRetracement: 'Fibonacci thoái lui',\n fibExtension: 'Fibonacci mở rộng',\n rectangle: 'Hình chữ nhật',\n ellipse: 'Hình elip',\n triangle: 'Tam giác',\n pitchfork: 'Chĩa ba Andrews',\n elliottWave: 'Sóng Elliott',\n priceRange: 'Khoảng giá',\n dateRange: 'Khoảng thời gian',\n measure: 'Đo lường',\n textTool: 'Chữ',\n arrow: 'Mũi tên',\n clearAll: 'Xóa tất cả',\n\n // Trading\n buy: 'Mua',\n sell: 'Bán',\n buyLimit: 'Mua giới hạn',\n sellLimit: 'Bán giới hạn',\n buyStop: 'Mua chặn',\n sellStop: 'Bán chặn',\n stopLoss: 'Cắt lỗ',\n takeProfit: 'Chốt lời',\n market: 'Thị trường',\n limit: 'Giới hạn',\n stop: 'Dừng',\n cancel: 'Hủy',\n modify: 'Sửa',\n quantity: 'KL',\n pnl: 'Lãi/Lỗ',\n activeOrders: 'Lệnh chờ',\n positions: 'Vị thế',\n noOrders: 'Không có lệnh chờ',\n noPositions: 'Không có vị thế mở',\n placeOrder: 'Đặt lệnh',\n rightClickToTrade: 'Nhấp chuột phải để đặt lệnh',\n\n // Market\n ceiling: 'Trần',\n floor: 'Sàn',\n reference: 'Tham chiếu',\n session: 'Phiên',\n preOpen: 'Trước giờ mở',\n continuous: 'Liên tục',\n preClose: 'Trước giờ đóng',\n closed: 'Đóng cửa',\n\n // UI\n settings: 'Cài đặt',\n theme: 'Giao diện',\n darkTheme: 'Tối',\n lightTheme: 'Sáng',\n tools: 'Công cụ',\n indicators: 'Chỉ báo',\n overlays: 'Phủ lên',\n panels: 'Bảng',\n orders: 'Lệnh',\n autoScale: 'Tự co giãn',\n crosshair: 'Chữ thập',\n grid: 'Lưới',\n loading: 'Đang tải...',\n error: 'Lỗi',\n\n numberDecimalSeparator: ',',\n numberGroupSeparator: '.',\n};\n","export type { Locale, LocaleStrings, NumberFormatConfig, DateFormatConfig } from './types.js';\nexport { en } from './en.js';\nexport { vi } from './vi.js';\n\nimport type { Locale, LocaleStrings } from './types.js';\nimport { en } from './en.js';\nimport { vi } from './vi.js';\n\nconst locales = new Map<string, LocaleStrings>([\n ['en', en],\n ['vi', vi],\n]);\n\nlet currentLocale: Locale = 'en';\nlet currentStrings: LocaleStrings = en;\n\nexport function setLocale(locale: Locale): void {\n currentLocale = locale;\n currentStrings = locales.get(locale) ?? en;\n}\n\nexport function getLocale(): Locale {\n return currentLocale;\n}\n\nexport function t(key: keyof LocaleStrings): string {\n return currentStrings[key] ?? (en as any)[key] ?? key;\n}\n\nexport function registerLocale(locale: string, strings: LocaleStrings): void {\n locales.set(locale, strings);\n}\n\nexport function getLocaleStrings(locale?: string): LocaleStrings {\n return locales.get(locale ?? currentLocale) ?? en;\n}\n\n// Number formatting\nexport function formatNumber(value: number, precision = 2, locale?: string): string {\n const strings = locales.get(locale ?? currentLocale) ?? en;\n const dec = strings.numberDecimalSeparator;\n const grp = strings.numberGroupSeparator;\n\n const fixed = value.toFixed(precision);\n const [intPart, decPart] = fixed.split('.');\n\n // Group integer part\n const negative = intPart.startsWith('-');\n const digits = negative ? intPart.slice(1) : intPart;\n let grouped = '';\n for (let i = digits.length - 1, count = 0; i >= 0; i--, count++) {\n if (count > 0 && count % 3 === 0) grouped = grp + grouped;\n grouped = digits[i] + grouped;\n }\n if (negative) grouped = '-' + grouped;\n\n return decPart ? grouped + dec + decPart : grouped;\n}\n\nexport function formatVND(value: number): string {\n return formatNumber(value, 0, 'vi');\n}\n\nexport function formatVolumeLoc(value: number, locale?: string): string {\n if (value >= 1e9) return formatNumber(value / 1e9, 2, locale ?? currentLocale) + 'B';\n if (value >= 1e6) return formatNumber(value / 1e6, 2, locale ?? currentLocale) + 'M';\n if (value >= 1e3) return formatNumber(value / 1e3, 2, locale ?? currentLocale) + 'K';\n return formatNumber(value, 0, locale ?? currentLocale);\n}\n","import type { MarketConfig, MarketColorScheme, TradingSession } from './types.js';\nimport type { Theme } from '../types/theme.js';\n\n// Vietnam stock color convention:\n// Purple/Red = ceiling (trần) - max up\n// Green/Cyan = floor (sàn) - max down\n// Yellow = reference (tham chiếu)\n// Red = up, Blue = down (common VN convention)\nexport const VN_COLORS: MarketColorScheme = {\n up: '#FF0000', // Đỏ - tăng\n down: '#0000FF', // Xanh dương - giảm\n unchanged: '#FFD700', // Vàng - tham chiếu\n ceiling: '#FF00FF', // Tím - trần\n floor: '#00FFFF', // Xanh lam - sàn\n reference: '#FFD700', // Vàng - tham chiếu\n};\n\nexport const HOSE_SESSIONS: TradingSession[] = [\n { name: 'ATO', startTime: '09:00', endTime: '09:15', type: 'preOpen' },\n { name: 'Phiên 1', startTime: '09:15', endTime: '11:30', type: 'continuous' },\n { name: 'Nghỉ trưa', startTime: '11:30', endTime: '13:00', type: 'closed' },\n { name: 'Phiên 2', startTime: '13:00', endTime: '14:30', type: 'continuous' },\n { name: 'ATC', startTime: '14:30', endTime: '14:45', type: 'preClose' },\n];\n\nexport const HNX_SESSIONS: TradingSession[] = [\n { name: 'Phiên 1', startTime: '09:00', endTime: '11:30', type: 'continuous' },\n { name: 'Nghỉ trưa', startTime: '11:30', endTime: '13:00', type: 'closed' },\n { name: 'Phiên 2', startTime: '13:00', endTime: '14:30', type: 'continuous' },\n { name: 'ATC', startTime: '14:30', endTime: '14:45', type: 'preClose' },\n];\n\n// Market presets\nexport const MARKET_HOSE: MarketConfig = {\n type: 'stock',\n exchange: 'HOSE',\n currency: 'VND',\n pricePrecision: 2,\n volumeUnit: 10,\n priceStep: 0.05,\n priceLimits: { enabled: true, ceilingPercent: 7, floorPercent: 7 },\n sessions: HOSE_SESSIONS,\n colorScheme: VN_COLORS,\n};\n\nexport const MARKET_HNX: MarketConfig = {\n type: 'stock',\n exchange: 'HNX',\n currency: 'VND',\n pricePrecision: 1,\n volumeUnit: 100,\n priceStep: 0.1,\n priceLimits: { enabled: true, ceilingPercent: 10, floorPercent: 10 },\n sessions: HNX_SESSIONS,\n colorScheme: VN_COLORS,\n};\n\nexport const MARKET_UPCOM: MarketConfig = {\n type: 'stock',\n exchange: 'UPCOM',\n currency: 'VND',\n pricePrecision: 1,\n volumeUnit: 100,\n priceStep: 0.1,\n priceLimits: { enabled: true, ceilingPercent: 15, floorPercent: 15 },\n sessions: HNX_SESSIONS,\n colorScheme: VN_COLORS,\n};\n\nexport const MARKET_CRYPTO: MarketConfig = {\n type: 'crypto',\n currency: 'USDT',\n pricePrecision: 2,\n priceLimits: { enabled: false },\n};\n\nexport const MARKET_NYSE: MarketConfig = {\n type: 'stock',\n exchange: 'NYSE',\n currency: 'USD',\n pricePrecision: 2,\n priceStep: 0.01,\n priceLimits: { enabled: false },\n sessions: [\n { name: 'Pre-Market', startTime: '04:00', endTime: '09:30', type: 'preOpen' },\n { name: 'Regular', startTime: '09:30', endTime: '16:00', type: 'continuous' },\n { name: 'After-Hours', startTime: '16:00', endTime: '20:00', type: 'preClose' },\n ],\n};\n\n// Build a theme variant for VN stock market\nexport function createVNTheme(base: Theme): Theme {\n return {\n ...base,\n candleUp: VN_COLORS.up,\n candleDown: VN_COLORS.down,\n candleUpWick: VN_COLORS.up,\n candleDownWick: VN_COLORS.down,\n volumeUp: 'rgba(255, 0, 0, 0.3)',\n volumeDown: 'rgba(0, 0, 255, 0.3)',\n };\n}\n\nexport function computePriceLimits(referencePrice: number, config: MarketConfig): { ceiling: number; floor: number; reference: number } \| null {\n if (!config.priceLimits?.enabled \|\| 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		{"version":3,"file":"index.js","names":[],"sources":["../src/types/rendering.ts","../src/types/drawing.ts","../src/types/trading.ts","../src/types/signal.ts","../src/types/realtime.ts","../src/utils/math.ts","../src/utils/data.ts","../src/utils/color.ts","../src/utils/time.ts","../src/utils/precision.ts","../src/constants/defaults.ts","../src/constants/themes.ts","../src/i18n/en.ts","../src/i18n/vi.ts","../src/i18n/index.ts","../src/market/presets.ts"],"sourcesContent":["export interface Point {\n x: number;\n y: number;\n}\n\nexport interface Size {\n width: number;\n height: number;\n}\n\nexport interface Rect {\n x: number;\n y: number;\n width: number;\n height: number;\n}\n\nexport type PriceScaleMode = 'regular' \| 'logarithmic' \| 'percentage' \| 'indexedTo100';\n\nexport interface ViewportState {\n visibleRange: { from: number; to: number };\n priceRange: { min: number; max: number };\n barWidth: number;\n barSpacing: number;\n offset: number;\n chartRect: Rect;\n /*\n Logarithmic price geometry. Kept for back-compat; mirrors\n * `scaleMode === 'logarithmic'`. Prefer reading `scaleMode`.\n /\n logScale?: boolean;\n /\n Price-scale presentation. `regular`, `percentage`, and `indexedTo100` share\n * the same linear geometry — only the axis labels differ (rebased to\n * `scaleBaseline`). `logarithmic` changes the geometry. Defaults to\n * `regular` when unset.\n /\n scaleMode?: PriceScaleMode;\n /\n Reference price for `percentage` / `indexedTo100` axis labels — usually the\n * close of the first visible bar. Set by the chart each frame.\n /\n scaleBaseline?: number;\n /\n Optional reference to the current bar series. When set, drawings/indicators\n * treat `anchor.time` as a real timestamp and convert to bar index via\n * `timestampToBarIndex(time, data)` at render/hit-test time. This lets\n * anchors survive timeframe / symbol switches like TradingView. When unset,\n * `anchor.time` is treated as a raw bar index (legacy behavior).\n /\n data?: ReadonlyArray<{ time: number }>;\n}\n\nexport enum LayerType {\n Background = 0,\n Main = 1,\n Panel = 2,\n Overlay = 3,\n UI = 4,\n}\n","import type { Point, ViewportState } from './rendering.js';\n\nexport type DrawingToolType =\n \| 'trendLine' \| 'horizontalLine' \| 'verticalLine' \| 'ray' \| 'extendedLine'\n \| 'parallelChannel' \| 'regressionChannel'\n \| 'fibRetracement' \| 'fibExtension' \| 'fibTimeZones'\n \| 'rectangle' \| 'ellipse' \| 'triangle'\n \| 'pitchfork' \| 'elliottWave'\n \| 'priceRange' \| 'dateRange' \| 'measure'\n \| 'text' \| 'arrow'\n \| 'gannFan' \| 'gannBox'\n \| 'anchoredVWAP'\n \| 'volumeProfileRange';\n\nexport interface AnchorPoint {\n time: number;\n price: number;\n}\n\nexport interface DrawingStyle {\n color: string;\n lineWidth: number;\n lineStyle: 'solid' \| 'dashed' \| 'dotted';\n fillColor?: string;\n fillOpacity?: number;\n fontSize?: number;\n text?: string;\n}\n\nexport interface DrawingState {\n id: string;\n type: DrawingToolType;\n anchors: AnchorPoint[];\n style: DrawingStyle;\n visible: boolean;\n locked: boolean;\n meta?: Record<string, unknown>;\n}\n\nexport interface DrawingDescriptor {\n type: DrawingToolType;\n name: string;\n requiredAnchors: number;\n singleClick?: boolean;\n}\n\nexport interface DrawingPlugin {\n descriptor: DrawingDescriptor;\n render(\n ctx: CanvasRenderingContext2D,\n state: DrawingState,\n viewport: ViewportState,\n selected: boolean,\n ): void;\n hitTest(\n point: Point,\n state: DrawingState,\n viewport: ViewportState,\n tolerance: number,\n ): boolean;\n hitTestAnchor(\n point: Point,\n state: DrawingState,\n viewport: ViewportState,\n tolerance: number,\n ): number;\n}\n\nexport const DEFAULT_DRAWING_STYLE: DrawingStyle = {\n color: '#2196F3',\n lineWidth: 1,\n lineStyle: 'solid',\n fillColor: 'rgba(33, 150, 243, 0.1)',\n fillOpacity: 0.1,\n fontSize: 12,\n};\n","export type OrderSide = 'buy' \| 'sell';\r\nexport type OrderType = 'market' \| 'limit' \| 'stop' \| 'stopLimit';\r\nexport type OrderStatus = 'pending' \| 'filled' \| 'cancelled' \| 'rejected';\r\nexport type OrderLabel = 'LIMIT' \| 'STOP' \| 'SL' \| 'TP' \| 'STOP LIMIT';\r\n\r\nexport interface TradingOrder {\r\n id: string;\r\n side: OrderSide;\r\n type: OrderType;\r\n price: number;\r\n stopPrice?: number;\r\n quantity: number;\r\n label?: OrderLabel;\r\n draggable?: boolean;\r\n meta?: Record<string, unknown>;\r\n}\r\n\r\nexport interface TradingPosition {\r\n id: string;\r\n side: OrderSide;\r\n entryPrice: number;\r\n quantity: number;\r\n /* Quantity already closed (for partial-close visualization). 0 ≤ closedQuantity ≤ quantity. /\r\n closedQuantity?: number;\r\n stopLoss?: number;\r\n takeProfit?: number;\r\n meta?: Record<string, unknown>;\r\n}\r\n\r\n/* Threshold-based P&L color stop. Sorted ascending by `pnl` is recommended. /\r\nexport interface PnLThreshold {\r\n /* Inclusive lower bound. Use -Infinity for the bottom-most stop. /\r\n pnl: number;\r\n color: string;\r\n}\r\n\r\n/* Tokens passed to position label templates. /\r\nexport interface PositionLabelContext {\r\n side: OrderSide;\r\n quantity: number;\r\n closedQuantity: number;\r\n openQuantity: number;\r\n entryPrice: number;\r\n currentPrice: number;\r\n pnl: number;\r\n pnlPct: number;\r\n precision: number;\r\n}\r\n\r\nexport interface DepthLevel {\r\n price: number;\r\n volume: number;\r\n}\r\n\r\nexport interface DepthData {\r\n bids: DepthLevel[];\r\n asks: DepthLevel[];\r\n}\r\n\r\nexport interface TradingConfig {\r\n enabled: boolean;\r\n orderColors?: { buy?: string; sell?: string };\r\n positionColors?: { profit?: string; loss?: string; entry?: string };\r\n /\r\n Optional gradient of colors keyed to P&L value. When provided, the rendered\r\n * position zone uses the color of the highest threshold whose `pnl` ≤ live P&L.\r\n * Falls back to `positionColors.profit`/`.loss` when unset.\r\n /\r\n pnlThresholds?: PnLThreshold[];\r\n /\r\n Position P&L label template. Supports tokens: {side} {qty} {closedQty}\r\n * {openQty} {entry} {price} {pnl} {pnlPct} {pnlSign}. Pass a function for\r\n * full control. Default: `{side} {qty} \| P&L: {pnlSign}{pnl}`.\r\n /\r\n positionLabel?: string \| ((ctx: PositionLabelContext) => string);\r\n depthOverlay?: {\r\n enabled?: boolean;\r\n bidColor?: string;\r\n askColor?: string;\r\n maxWidth?: number;\r\n };\r\n contextMenu?: { enabled?: boolean };\r\n pricePrecision?: number;\r\n dragThreshold?: number;\r\n}\r\n\r\nexport interface OrderPlaceIntent {\r\n side: OrderSide;\r\n type: OrderType;\r\n price: number;\r\n stopPrice?: number;\r\n quantity?: number;\r\n}\r\n\r\nexport interface OrderModifyIntent {\r\n orderId: string;\r\n newPrice: number;\r\n previousPrice: number;\r\n}\r\n\r\nexport interface OrderCancelIntent {\r\n orderId: string;\r\n}\r\n\r\nexport interface PositionModifyIntent {\r\n positionId: string;\r\n stopLoss?: number;\r\n takeProfit?: number;\r\n}\r\n\r\nexport interface PositionCloseIntent {\r\n positionId: string;\r\n}\r\n\r\nexport const DEFAULT_TRADING_CONFIG: TradingConfig = {\r\n enabled: true,\r\n orderColors: { buy: '#26A69A', sell: '#EF5350' },\r\n positionColors: { profit: '#26A69A', loss: '#EF5350', entry: '#2196F3' },\r\n depthOverlay: { enabled: false, bidColor: 'rgba(38,166,154,0.15)', askColor: 'rgba(239,83,80,0.15)', maxWidth: 100 },\r\n contextMenu: { enabled: true },\r\n pricePrecision: 2,\r\n dragThreshold: 3,\r\n};\r\n","export type SignalDirection = 'long' \| 'short' \| 'neutral';\n\nexport interface SignalMarker {\n id: string;\n time: number;\n price: number;\n direction: SignalDirection;\n confidence: number;\n source: string;\n label?: string;\n color?: string;\n meta?: Record<string, unknown>;\n}\n\nexport interface SignalMarkerStyle {\n longColor?: string;\n shortColor?: string;\n neutralColor?: string;\n arrowSize?: number;\n showLabel?: boolean;\n showConfidence?: boolean;\n sourceColors?: Record<string, string>;\n}\n\nexport const DEFAULT_SIGNAL_STYLE: SignalMarkerStyle = {\n longColor: '#26A69A',\n shortColor: '#EF5350',\n neutralColor: '#9E9E9E',\n arrowSize: 12,\n showLabel: true,\n showConfidence: true,\n};\n\nexport type TradeZoneDirection = 'long' \| 'short';\n\nexport interface TradeZone {\n id: string;\n entryTime: number;\n entryPrice: number;\n exitTime?: number;\n exitPrice?: number;\n direction: TradeZoneDirection;\n pnl?: number;\n pnlPercent?: number;\n label?: string;\n meta?: Record<string, unknown>;\n}\n\nexport interface TradeZoneStyle {\n profitColor?: string;\n lossColor?: string;\n activeColor?: string;\n fillOpacity?: number;\n borderWidth?: number;\n showLabel?: boolean;\n showPnl?: boolean;\n}\n\nexport const DEFAULT_TRADE_ZONE_STYLE: TradeZoneStyle = {\n profitColor: '#26A69A',\n lossColor: '#EF5350',\n activeColor: '#2196F3',\n fillOpacity: 0.12,\n borderWidth: 1,\n showLabel: true,\n showPnl: true,\n};\n","import type { OHLCBar, TimeFrame } from './ohlc.js';\n\n// --- Connection ---\n\nexport type ConnectionState = 'disconnected' \| 'connecting' \| 'connected' \| 'reconnecting' \| 'error';\n\nexport interface ConnectionInfo {\n state: ConnectionState;\n latency?: number;\n reconnectAttempt?: number;\n lastMessageTime?: number;\n error?: string;\n}\n\n// --- Ticks & Trades ---\n\nexport interface RawTick {\n time: number;\n price: number;\n volume: number;\n side?: 'buy' \| 'sell';\n}\n\nexport interface AggregatedBar extends OHLCBar {\n closed: boolean; // true when bar is finalized\n tickCount: number; // number of ticks in this bar\n}\n\n// --- Data Adapter (Strategy Pattern) ---\n\nexport interface DataAdapterConfig {\n symbol: string;\n timeframe: TimeFrame;\n reconnect?: boolean; // default: true\n reconnectMaxRetries?: number; // default: Infinity\n reconnectBaseDelay?: number; // ms, default: 1000\n reconnectMaxDelay?: number; // ms, default: 30000\n heartbeatInterval?: number; // ms, default: 30000\n bufferSize?: number; // max ticks to buffer, default: 1000\n}\n\nexport type DataAdapterEventType =\n \| 'tick'\n \| 'bar'\n \| 'barClose'\n \| 'snapshot' // initial historical data loaded\n \| 'connectionChange'\n \| 'error';\n\nexport interface DataAdapterEvent<T = unknown> {\n type: DataAdapterEventType;\n data: T;\n timestamp: number;\n}\n\nexport type DataAdapterListener<T = unknown> = (event: DataAdapterEvent<T>) => void;\n\n/\n Data adapter interface. Implements the observer pattern:\n * - connect() to start receiving data\n * - on('bar'\|'tick'\|'connectionChange', handler) to receive events\n * - disconnect() to stop, then connect() again to switch symbols/timeframes\n * - No separate subscribe/unsubscribe — reconnect is the intended pattern\n \n Strategy pattern for pluggable data sources.\n * Implementations handle the specifics of each data source (WebSocket, REST,\n * SSE, etc.) while the StreamManager orchestrates lifecycle and aggregation.\n \n Built-in: BinanceAdapter\n * Implement this for: custom exchange APIs, broker feeds, mock data\n /\nexport interface DataAdapter {\n readonly name: string;\n\n connect(config: DataAdapterConfig): void;\n disconnect(): void;\n getConnectionState(): ConnectionState;\n\n /\n Load historical bars. Called once on connect, before streaming starts.\n * Returns bars sorted by time ascending.\n /\n fetchHistory(symbol: string, timeframe: TimeFrame, limit?: number): Promise<OHLCBar[]>;\n\n on<T = unknown>(event: DataAdapterEventType, listener: DataAdapterListener<T>): void;\n off<T = unknown>(event: DataAdapterEventType, listener: DataAdapterListener<T>): void;\n\n dispose(): void;\n}\n\n// --- Stream Manager Config ---\n\nexport interface StreamConfig {\n adapter: DataAdapter;\n symbol: string;\n timeframe: TimeFrame;\n historyLimit?: number; // bars to load initially, default: 500\n autoScroll?: boolean; // scroll to end on new bar, default: true\n showCurrentPriceLine?: boolean; // default: true\n aggregateTicks?: boolean; // build bars from ticks, default: false\n reconnect?: ReconnectConfig;\n}\n\nexport interface ReconnectConfig {\n enabled: boolean; // default: true\n maxRetries: number; // default: Infinity\n baseDelay: number; // ms, default: 1000\n maxDelay: number; // ms, default: 30000\n backoffMultiplier: number; // default: 2\n}\n\nexport const DEFAULT_RECONNECT: ReconnectConfig = {\n enabled: true,\n maxRetries: Infinity,\n baseDelay: 1000,\n maxDelay: 30000,\n backoffMultiplier: 2,\n};\n\nexport const DEFAULT_STREAM_CONFIG: Partial<StreamConfig> = {\n historyLimit: 500,\n autoScroll: true,\n showCurrentPriceLine: true,\n aggregateTicks: false,\n};\n","export function clamp(value: number, min: number, max: number): number {\n return Math.max(min, Math.min(max, value));\n}\n\nexport function lerp(a: number, b: number, t: number): number {\n return a + (b - a) t;\n}\n\nexport function inverseLerp(a: number, b: number, value: number): number {\n if (a === b) return 0;\n return (value - a) / (b - a);\n}\n\nexport function roundToStep(value: number, step: number): number {\n return Math.round(value / step) * step;\n}\n\nexport function niceNumber(value: number, round: boolean): number {\n const exp = Math.floor(Math.log10(value));\n const frac = value / Math.pow(10, exp);\n let nice: number;\n if (round) {\n if (frac < 1.5) nice = 1;\n else if (frac < 3) nice = 2;\n else if (frac < 7) nice = 5;\n else nice = 10;\n } else {\n if (frac <= 1) nice = 1;\n else if (frac <= 2) nice = 2;\n else if (frac <= 5) nice = 5;\n else nice = 10;\n }\n return nice * Math.pow(10, exp);\n}\n\nexport function computeTickStep(min: number, max: number, maxTicks: number): number {\n const range = niceNumber(max - min, false);\n return niceNumber(range / (maxTicks - 1), true);\n}\n","import type { OHLCBar, DataSeries } from '../types/ohlc.js';\n\n/*\n Normalize bar timestamp to milliseconds.\n * Auto-detects: time > 1e12 is already ms, otherwise treats as seconds.\n /\nexport function normalizeBarTime(time: number): number {\n return time > 1e12 ? time : time 1000;\n}\n\n/*\n Normalize a bar's timestamp field to milliseconds.\n * Accepts either { time } (ms or s) or { t, o, h, l, c, v } wire format.\n /\nexport function normalizeBar(raw: Record<string, number>): OHLCBar {\n const time = normalizeBarTime(raw.time ?? raw.t ?? 0);\n return {\n time,\n open: raw.open ?? raw.o ?? 0,\n high: raw.high ?? raw.h ?? 0,\n low: raw.low ?? raw.l ?? 0,\n close: raw.close ?? raw.c ?? 0,\n volume: raw.volume ?? raw.v ?? 0,\n };\n}\n\nexport function sliceVisibleData(\n data: DataSeries,\n from: number,\n to: number,\n): DataSeries {\n const startIdx = Math.max(0, from);\n const endIdx = Math.min(data.length, to + 1);\n return data.slice(startIdx, endIdx);\n}\n\nexport function findBarIndex(data: DataSeries, timestamp: number): number {\n let lo = 0;\n let hi = data.length - 1;\n while (lo <= hi) {\n const mid = (lo + hi) >>> 1;\n if (data[mid].time < timestamp) lo = mid + 1;\n else if (data[mid].time > timestamp) hi = mid - 1;\n else return mid;\n }\n return lo;\n}\n\nexport function computePriceRange(\n data: DataSeries,\n from: number,\n to: number,\n padding = 0.05,\n): { min: number; max: number } {\n if (data.length === 0) return { min: 0, max: 1 };\n const startIdx = Math.max(0, from);\n const endIdx = Math.min(data.length - 1, to);\n let min = Infinity;\n let max = -Infinity;\n for (let i = startIdx; i <= endIdx; i++) {\n if (data[i].low < min) min = data[i].low;\n if (data[i].high > max) max = data[i].high;\n }\n if (min === Infinity) return { min: 0, max: 1 };\n const range = max - min \|\| 1;\n return {\n min: min - range padding,\n max: max + range * padding,\n };\n}\n\nexport function mergeBar(existing: OHLCBar, tick: { price: number; volume?: number; time: number }): OHLCBar {\n return {\n ...existing,\n high: Math.max(existing.high, tick.price),\n low: Math.min(existing.low, tick.price),\n close: tick.price,\n volume: existing.volume + (tick.volume ?? 0),\n time: tick.time,\n };\n}\n","export function hexToRgba(hex: string, alpha = 1): string {\n const r = parseInt(hex.slice(1, 3), 16);\n const g = parseInt(hex.slice(3, 5), 16);\n const b = parseInt(hex.slice(5, 7), 16);\n return `rgba(${r}, ${g}, ${b}, ${alpha})`;\n}\n\nexport function withAlpha(color: string, alpha: number): string {\n if (color.startsWith('#')) {\n return hexToRgba(color, alpha);\n }\n const rgbaMatch = color.match(/rgba?\\((\\d+),\\s(\\d+),\\s(\\d+)/);\n if (rgbaMatch) {\n return `rgba(${rgbaMatch[1]}, ${rgbaMatch[2]}, ${rgbaMatch[3]}, ${alpha})`;\n }\n return color;\n}\n\nexport function lerpColor(colorA: string, colorB: string, t: number): string {\n const parseHex = (hex: string) => {\n hex = hex.replace('#', '');\n if (hex.length === 3) hex = hex[0] + hex[0] + hex[1] + hex[1] + hex[2] + hex[2];\n return {\n r: parseInt(hex.slice(0, 2), 16),\n g: parseInt(hex.slice(2, 4), 16),\n b: parseInt(hex.slice(4, 6), 16),\n };\n };\n const a = parseHex(colorA);\n const b = parseHex(colorB);\n const r = Math.round(a.r + (b.r - a.r) * t);\n const g = Math.round(a.g + (b.g - a.g) * t);\n const bl = Math.round(a.b + (b.b - a.b) * t);\n return `rgb(${r},${g},${bl})`;\n}\n","import type { TimeFrame } from '../types/ohlc.js';\n\nconst TIMEFRAME_MS: Record<TimeFrame, number> = {\n '1s': 1_000,\n '5s': 5_000,\n '15s': 15_000,\n '30s': 30_000,\n '1m': 60_000,\n '3m': 180_000,\n '5m': 300_000,\n '15m': 900_000,\n '30m': 1_800_000,\n '45m': 2_700_000,\n '1h': 3_600_000,\n '2h': 7_200_000,\n '3h': 10_800_000,\n '4h': 14_400_000,\n '6h': 21_600_000,\n '8h': 28_800_000,\n '12h': 43_200_000,\n '1d': 86_400_000,\n '2d': 172_800_000,\n '3d': 259_200_000,\n '1w': 604_800_000,\n '2w': 1_209_600_000,\n '1M': 2_592_000_000,\n '3M': 7_776_000_000,\n '6M': 15_552_000_000,\n '12M': 31_536_000_000,\n};\n\nexport function timeframeToMs(tf: TimeFrame): number {\n return TIMEFRAME_MS[tf];\n}\n\nexport function formatTimestamp(timestamp: number, tf: TimeFrame): string {\n const d = new Date(timestamp);\n const ms = TIMEFRAME_MS[tf];\n if (ms >= 86_400_000) {\n return d.toLocaleDateString(undefined, { month: 'short', day: 'numeric' });\n }\n if (ms >= 3_600_000) {\n return d.toLocaleTimeString(undefined, { hour: '2-digit', minute: '2-digit' });\n }\n return d.toLocaleTimeString(undefined, { hour: '2-digit', minute: '2-digit', second: '2-digit' });\n}\n\nexport function alignToTimeframe(timestamp: number, tf: TimeFrame): number {\n const ms = TIMEFRAME_MS[tf];\n return Math.floor(timestamp / ms) * ms;\n}\n\nexport interface TimeParts {\n month: number; // 1-12\n day: number;\n hours: number;\n minutes: number;\n}\n\n/*\n Calendar parts of a timestamp in either the browser-local timezone\n * (`tzOffsetMinutes === null`) or a fixed UTC offset (e.g. -300 for EST).\n /\nexport function timeParts(timeMs: number, tzOffsetMinutes: number \| null): TimeParts {\n if (tzOffsetMinutes === null) {\n const d = new Date(timeMs);\n return { month: d.getMonth() + 1, day: d.getDate(), hours: d.getHours(), minutes: d.getMinutes() };\n }\n const d = new Date(timeMs + tzOffsetMinutes 60_000);\n return { month: d.getUTCMonth() + 1, day: d.getUTCDate(), hours: d.getUTCHours(), minutes: d.getUTCMinutes() };\n}\n\n/** A short timezone label like `UTC-5` or `UTC+5:30` (browser-local when null). /\nexport function tzLabel(tzOffsetMinutes: number \| null): string {\n const min = tzOffsetMinutes === null ? -new Date().getTimezoneOffset() : tzOffsetMinutes;\n const sign = min >= 0 ? '+' : '-';\n const abs = Math.abs(min);\n const h = Math.floor(abs / 60);\n const m = abs % 60;\n return m === 0 ? `UTC${sign}${h}` : `UTC${sign}${h}:${String(m).padStart(2, '0')}`;\n}\n\n/* Day-of-week for a Monday-anchored reference week (1970-01-05 was a Monday, UTC). /\nconst WEEK_ANCHOR_MS = Date.UTC(1970, 0, 5);\n\nfunction parseTimeframe(tf: TimeFrame): { count: number; unit: 's' \| 'm' \| 'h' \| 'd' \| 'w' \| 'M' } {\n const match = /^(\\d+)([smhdwM])$/.exec(tf);\n if (!match) return { count: 1, unit: 'm' };\n return { count: parseInt(match[1], 10), unit: match[2] as 's' \| 'm' \| 'h' \| 'd' \| 'w' \| 'M' };\n}\n\n/\n Start of the bucket a timestamp falls into for a given timeframe.\n \n Intraday and daily frames are anchored to the Unix epoch (UTC) via fixed-ms\n * flooring. Weekly frames are anchored to Monday (or `weekStartsOn`), monthly\n * and yearly frames use calendar boundaries (1st of month, Jan for years) so\n * 3M aligns to quarters and 12M to calendar years.\n /\nexport function timeframeBucketStart(\n timestamp: number,\n tf: TimeFrame,\n weekStartsOn: 0 \| 1 = 1,\n): number {\n const { count, unit } = parseTimeframe(tf);\n\n if (unit === 's' \|\| unit === 'm' \|\| unit === 'h' \|\| unit === 'd') {\n const ms = TIMEFRAME_MS[tf];\n return Math.floor(timestamp / ms) ms;\n }\n\n const d = new Date(timestamp);\n\n if (unit === 'w') {\n const dayMs = TIMEFRAME_MS['1d'];\n const dow = d.getUTCDay();\n const shift = (dow - weekStartsOn + 7) % 7;\n const weekStart = Date.UTC(d.getUTCFullYear(), d.getUTCMonth(), d.getUTCDate() - shift);\n if (count <= 1) return weekStart;\n const weekIndex = Math.floor((weekStart - WEEK_ANCHOR_MS) / (7 * dayMs));\n const grouped = Math.floor(weekIndex / count) * count;\n return WEEK_ANCHOR_MS + grouped * 7 * dayMs;\n }\n\n // months / quarters / years\n const totalMonths = d.getUTCFullYear() * 12 + d.getUTCMonth();\n const grouped = Math.floor(totalMonths / count) * count;\n return Date.UTC(Math.floor(grouped / 12), grouped % 12, 1);\n}\n","export function formatPrice(value: number, precision = 2, locale = 'en-US'): string {\n return value.toLocaleString(locale, {\n minimumFractionDigits: precision,\n maximumFractionDigits: precision,\n });\n}\n\nimport type { PriceScaleMode } from '../types/rendering.js';\n\n/*\n Format a price-axis label for a given scale mode.\n \n - `regular` / `logarithmic`: the raw price.\n * - `percentage`: change from `baseline`, e.g. `+12.34%`.\n * - `indexedTo100`: the price rebased so `baseline` reads as 100.\n \n Falls back to a plain price when a baseline is required but missing/zero.\n /\nexport function formatPriceScaleLabel(\n price: number,\n mode: PriceScaleMode,\n baseline: number \| undefined,\n precision = 2,\n locale = 'en-US',\n): string {\n if ((mode === 'percentage' \|\| mode === 'indexedTo100') && baseline && baseline !== 0) {\n if (mode === 'percentage') {\n const pct = (price / baseline - 1) 100;\n const sign = pct > 0 ? '+' : '';\n return `${sign}${pct.toFixed(2)}%`;\n }\n const indexed = (price / baseline) * 100;\n return indexed.toLocaleString(locale, { minimumFractionDigits: 2, maximumFractionDigits: 2 });\n }\n return formatPrice(price, precision, locale);\n}\n\nexport function formatVolume(value: number): string {\n if (value >= 1_000_000_000) return (value / 1_000_000_000).toFixed(2) + 'B';\n if (value >= 1_000_000) return (value / 1_000_000).toFixed(2) + 'M';\n if (value >= 1_000) return (value / 1_000).toFixed(2) + 'K';\n return value.toFixed(0);\n}\n\nexport function detectPrecision(values: number[]): number {\n let maxDecimals = 0;\n for (const v of values) {\n const str = v.toString();\n const dot = str.indexOf('.');\n if (dot >= 0) {\n maxDecimals = Math.max(maxDecimals, str.length - dot - 1);\n }\n }\n return Math.min(maxDecimals, 8);\n}\n","import type { ChartOptions } from '../types/chart.js';\n\nexport const DEFAULT_CHART_OPTIONS: Required<Pick<ChartOptions, 'autoScale' \| 'rightMargin' \| 'minBarSpacing' \| 'maxBarSpacing'>> & Pick<ChartOptions, 'grid' \| 'crosshair'> = {\n autoScale: true,\n rightMargin: 5,\n minBarSpacing: 2,\n maxBarSpacing: 30,\n grid: {\n visible: true,\n hLineStyle: 'solid',\n vLineStyle: 'solid',\n },\n crosshair: {\n mode: 'magnet',\n },\n};\n\n// Standard timeframe presets for different market types\nimport type { TimeFrame } from '../types/ohlc.js';\n\n/** Crypto: all timeframes including seconds /\nexport const TIMEFRAMES_CRYPTO: TimeFrame[] = [\n '1s', '1m', '3m', '5m', '15m', '30m',\n '1h', '2h', '4h', '6h', '8h', '12h',\n '1d', '3d', '1w', '1M',\n];\n\n/* Stocks: minute-level and above (no seconds) /\nexport const TIMEFRAMES_STOCK: TimeFrame[] = [\n '1m', '5m', '15m', '30m',\n '1h', '2h', '4h',\n '1d', '1w', '1M', '3M', '6M', '12M',\n];\n\n/* Forex: common forex timeframes /\nexport const TIMEFRAMES_FOREX: TimeFrame[] = [\n '1m', '5m', '15m', '30m',\n '1h', '4h',\n '1d', '1w', '1M',\n];\n\n/* Default favorites shown in quick-access bar /\nexport const DEFAULT_TIMEFRAME_FAVORITES: TimeFrame[] = [\n '1m', '5m', '15m', '1h', '4h', '1d', '1w',\n];\n\nexport const DEFAULT_BAR_WIDTH = 8;\nexport const DEFAULT_BAR_SPACING = 2;\nexport const PRICE_AXIS_WIDTH = 70;\nexport const TIME_AXIS_HEIGHT = 30;\nexport const MIN_PANEL_HEIGHT = 60;\nexport const DEFAULT_PANEL_HEIGHT = 120;\n","import type { Theme } from '../types/theme.js';\n\nconst DEFAULT_FONT = {\n family: '-apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, sans-serif',\n sizeSmall: 10,\n sizeMedium: 12,\n sizeLarge: 14,\n};\n\nexport const DARK_THEME: Theme = {\n name: 'dark',\n background: '#131722',\n text: '#D1D4DC',\n textSecondary: '#787B86',\n grid: '#1E222D',\n crosshair: '#9598A1',\n candleUp: '#26A69A',\n candleDown: '#EF5350',\n candleUpWick: '#26A69A',\n candleDownWick: '#EF5350',\n lineColor: '#2196F3',\n areaTopColor: 'rgba(33, 150, 243, 0.4)',\n areaBottomColor: 'rgba(33, 150, 243, 0.0)',\n volumeUp: 'rgba(38, 166, 154, 0.3)',\n volumeDown: 'rgba(239, 83, 80, 0.3)',\n axisLine: '#2A2E39',\n axisLabel: '#D1D4DC',\n axisLabelBackground: '#2A2E39',\n font: DEFAULT_FONT,\n};\n\nexport const LIGHT_THEME: Theme = {\n name: 'light',\n background: '#FFFFFF',\n text: '#131722',\n textSecondary: '#787B86',\n grid: '#F0F3FA',\n crosshair: '#9598A1',\n candleUp: '#26A69A',\n candleDown: '#EF5350',\n candleUpWick: '#26A69A',\n candleDownWick: '#EF5350',\n lineColor: '#2196F3',\n areaTopColor: 'rgba(33, 150, 243, 0.4)',\n areaBottomColor: 'rgba(33, 150, 243, 0.0)',\n volumeUp: 'rgba(38, 166, 154, 0.3)',\n volumeDown: 'rgba(239, 83, 80, 0.3)',\n axisLine: '#E0E3EB',\n axisLabel: '#131722',\n axisLabelBackground: '#F0F3FA',\n font: DEFAULT_FONT,\n};\n\nexport const DARK_TERMINAL: Theme = {\n name: 'terminal',\n background: '#0E0E0E',\n text: '#C0C0C0',\n textSecondary: '#8A8A8A',\n grid: '#1A1A1A',\n crosshair: '#666666',\n candleUp: '#00FF87',\n candleDown: '#FF3B4D',\n candleUpWick: '#00FF87',\n candleDownWick: '#FF3B4D',\n lineColor: '#3D8BFD',\n areaTopColor: 'rgba(61, 139, 253, 0.3)',\n areaBottomColor: 'rgba(61, 139, 253, 0.0)',\n volumeUp: 'rgba(0, 255, 135, 0.2)',\n volumeDown: 'rgba(255, 59, 77, 0.2)',\n axisLine: '#1A1A1A',\n axisLabel: '#8A8A8A',\n axisLabelBackground: '#1A1A1A',\n font: {\n family: \"'Roboto Mono', 'JetBrains Mono', 'SF Mono', Consolas, monospace\",\n sizeSmall: 10,\n sizeMedium: 12,\n sizeLarge: 14,\n },\n};\n","import type { LocaleStrings } from './types.js';\n\nexport const en: LocaleStrings = {\n // Chart types\n candlestick: 'Candlestick',\n line: 'Line',\n area: 'Area',\n bar: 'OHLC Bar',\n\n // Axes\n price: 'Price',\n volume: 'Volume',\n time: 'Time',\n open: 'Open',\n high: 'High',\n low: 'Low',\n close: 'Close',\n\n // Indicators - overlays\n sma: 'SMA',\n ema: 'EMA',\n bollingerBands: 'Bollinger Bands',\n vwap: 'VWAP',\n ichimoku: 'Ichimoku Cloud',\n parabolicSAR: 'Parabolic SAR',\n supertrend: 'Supertrend',\n keltnerChannel: 'Keltner Channel',\n donchianChannel: 'Donchian Channel',\n\n // Indicators - panels\n rsi: 'RSI',\n macd: 'MACD',\n stochastic: 'Stochastic',\n atr: 'ATR',\n adx: 'ADX',\n obv: 'OBV',\n williamsR: 'Williams %R',\n cci: 'CCI',\n mfi: 'MFI',\n aroon: 'Aroon',\n roc: 'ROC',\n tsi: 'TSI',\n cmf: 'CMF',\n stddev: 'Std Dev',\n volumeProfile: 'Volume Profile',\n accumulationDistribution: 'A/D Line',\n vroc: 'VROC',\n\n // Drawing tools\n trendLine: 'Trend Line',\n horizontalLine: 'Horizontal Line',\n verticalLine: 'Vertical Line',\n ray: 'Ray',\n extendedLine: 'Extended Line',\n parallelChannel: 'Parallel Channel',\n regressionChannel: 'Regression Channel',\n fibRetracement: 'Fibonacci Retracement',\n fibExtension: 'Fibonacci Extension',\n rectangle: 'Rectangle',\n ellipse: 'Ellipse',\n triangle: 'Triangle',\n pitchfork: \"Andrews' Pitchfork\",\n elliottWave: 'Elliott Wave',\n priceRange: 'Price Range',\n dateRange: 'Date Range',\n measure: 'Measure',\n textTool: 'Text',\n arrow: 'Arrow',\n clearAll: 'Clear All',\n\n // Trading\n buy: 'Buy',\n sell: 'Sell',\n buyLimit: 'Buy Limit',\n sellLimit: 'Sell Limit',\n buyStop: 'Buy Stop',\n sellStop: 'Sell Stop',\n stopLoss: 'Stop Loss',\n takeProfit: 'Take Profit',\n market: 'Market',\n limit: 'Limit',\n stop: 'Stop',\n cancel: 'Cancel',\n modify: 'Modify',\n quantity: 'Qty',\n pnl: 'P&L',\n activeOrders: 'Active Orders',\n positions: 'Positions',\n noOrders: 'No active orders',\n noPositions: 'No open positions',\n placeOrder: 'Place Order',\n rightClickToTrade: 'Right-click chart to place orders',\n\n // Market\n ceiling: 'Ceiling',\n floor: 'Floor',\n reference: 'Reference',\n session: 'Session',\n preOpen: 'Pre-Open',\n continuous: 'Continuous',\n preClose: 'Pre-Close',\n closed: 'Closed',\n\n // UI\n settings: 'Settings',\n theme: 'Theme',\n darkTheme: 'Dark',\n lightTheme: 'Light',\n tools: 'Tools',\n indicators: 'Indicators',\n overlays: 'Overlays',\n panels: 'Panels',\n orders: 'Orders',\n autoScale: 'Auto Scale',\n crosshair: 'Crosshair',\n grid: 'Grid',\n loading: 'Loading...',\n error: 'Error',\n\n numberDecimalSeparator: '.',\n numberGroupSeparator: ',',\n};\n","import type { LocaleStrings } from './types.js';\n\nexport const vi: LocaleStrings = {\n // Chart types\n candlestick: 'Nến',\n line: 'Đường',\n area: 'Vùng',\n bar: 'Thanh OHLC',\n\n // Axes\n price: 'Giá',\n volume: 'Khối lượng',\n time: 'Thời gian',\n open: 'Mở',\n high: 'Cao',\n low: 'Thấp',\n close: 'Đóng',\n\n // Indicators - overlays\n sma: 'SMA',\n ema: 'EMA',\n bollingerBands: 'Dải Bollinger',\n vwap: 'VWAP',\n ichimoku: 'Mây Ichimoku',\n parabolicSAR: 'Parabolic SAR',\n supertrend: 'Supertrend',\n keltnerChannel: 'Kênh Keltner',\n donchianChannel: 'Kênh Donchian',\n\n // Indicators - panels\n rsi: 'RSI',\n macd: 'MACD',\n stochastic: 'Stochastic',\n atr: 'ATR',\n adx: 'ADX',\n obv: 'OBV',\n williamsR: 'Williams %R',\n cci: 'CCI',\n mfi: 'MFI',\n aroon: 'Aroon',\n roc: 'ROC',\n tsi: 'TSI',\n cmf: 'CMF',\n stddev: 'Độ lệch chuẩn',\n volumeProfile: 'Phân bổ KL',\n accumulationDistribution: 'Tích lũy/Phân phối',\n vroc: 'VROC',\n\n // Drawing tools\n trendLine: 'Đường xu hướng',\n horizontalLine: 'Đường ngang',\n verticalLine: 'Đường dọc',\n ray: 'Tia',\n extendedLine: 'Đường kéo dài',\n parallelChannel: 'Kênh song song',\n regressionChannel: 'Kênh hồi quy',\n fibRetracement: 'Fibonacci thoái lui',\n fibExtension: 'Fibonacci mở rộng',\n rectangle: 'Hình chữ nhật',\n ellipse: 'Hình elip',\n triangle: 'Tam giác',\n pitchfork: 'Chĩa ba Andrews',\n elliottWave: 'Sóng Elliott',\n priceRange: 'Khoảng giá',\n dateRange: 'Khoảng thời gian',\n measure: 'Đo lường',\n textTool: 'Chữ',\n arrow: 'Mũi tên',\n clearAll: 'Xóa tất cả',\n\n // Trading\n buy: 'Mua',\n sell: 'Bán',\n buyLimit: 'Mua giới hạn',\n sellLimit: 'Bán giới hạn',\n buyStop: 'Mua chặn',\n sellStop: 'Bán chặn',\n stopLoss: 'Cắt lỗ',\n takeProfit: 'Chốt lời',\n market: 'Thị trường',\n limit: 'Giới hạn',\n stop: 'Dừng',\n cancel: 'Hủy',\n modify: 'Sửa',\n quantity: 'KL',\n pnl: 'Lãi/Lỗ',\n activeOrders: 'Lệnh chờ',\n positions: 'Vị thế',\n noOrders: 'Không có lệnh chờ',\n noPositions: 'Không có vị thế mở',\n placeOrder: 'Đặt lệnh',\n rightClickToTrade: 'Nhấp chuột phải để đặt lệnh',\n\n // Market\n ceiling: 'Trần',\n floor: 'Sàn',\n reference: 'Tham chiếu',\n session: 'Phiên',\n preOpen: 'Trước giờ mở',\n continuous: 'Liên tục',\n preClose: 'Trước giờ đóng',\n closed: 'Đóng cửa',\n\n // UI\n settings: 'Cài đặt',\n theme: 'Giao diện',\n darkTheme: 'Tối',\n lightTheme: 'Sáng',\n tools: 'Công cụ',\n indicators: 'Chỉ báo',\n overlays: 'Phủ lên',\n panels: 'Bảng',\n orders: 'Lệnh',\n autoScale: 'Tự co giãn',\n crosshair: 'Chữ thập',\n grid: 'Lưới',\n loading: 'Đang tải...',\n error: 'Lỗi',\n\n numberDecimalSeparator: ',',\n numberGroupSeparator: '.',\n};\n","export type { Locale, LocaleStrings, NumberFormatConfig, DateFormatConfig } from './types.js';\nexport { en } from './en.js';\nexport { vi } from './vi.js';\n\nimport type { Locale, LocaleStrings } from './types.js';\nimport { en } from './en.js';\nimport { vi } from './vi.js';\n\nconst locales = new Map<string, LocaleStrings>([\n ['en', en],\n ['vi', vi],\n]);\n\nlet currentLocale: Locale = 'en';\nlet currentStrings: LocaleStrings = en;\n\nexport function setLocale(locale: Locale): void {\n currentLocale = locale;\n currentStrings = locales.get(locale) ?? en;\n}\n\nexport function getLocale(): Locale {\n return currentLocale;\n}\n\nexport function t(key: keyof LocaleStrings): string {\n return currentStrings[key] ?? (en as any)[key] ?? key;\n}\n\nexport function registerLocale(locale: string, strings: LocaleStrings): void {\n locales.set(locale, strings);\n}\n\nexport function getLocaleStrings(locale?: string): LocaleStrings {\n return locales.get(locale ?? currentLocale) ?? en;\n}\n\n// Number formatting\nexport function formatNumber(value: number, precision = 2, locale?: string): string {\n const strings = locales.get(locale ?? currentLocale) ?? en;\n const dec = strings.numberDecimalSeparator;\n const grp = strings.numberGroupSeparator;\n\n const fixed = value.toFixed(precision);\n const [intPart, decPart] = fixed.split('.');\n\n // Group integer part\n const negative = intPart.startsWith('-');\n const digits = negative ? intPart.slice(1) : intPart;\n let grouped = '';\n for (let i = digits.length - 1, count = 0; i >= 0; i--, count++) {\n if (count > 0 && count % 3 === 0) grouped = grp + grouped;\n grouped = digits[i] + grouped;\n }\n if (negative) grouped = '-' + grouped;\n\n return decPart ? grouped + dec + decPart : grouped;\n}\n\nexport function formatVND(value: number): string {\n return formatNumber(value, 0, 'vi');\n}\n\nexport function formatVolumeLoc(value: number, locale?: string): string {\n if (value >= 1e9) return formatNumber(value / 1e9, 2, locale ?? currentLocale) + 'B';\n if (value >= 1e6) return formatNumber(value / 1e6, 2, locale ?? currentLocale) + 'M';\n if (value >= 1e3) return formatNumber(value / 1e3, 2, locale ?? currentLocale) + 'K';\n return formatNumber(value, 0, locale ?? currentLocale);\n}\n","import type { MarketConfig, MarketColorScheme, TradingSession } from './types.js';\nimport type { Theme } from '../types/theme.js';\n\n// Vietnam stock color convention:\n// Purple/Red = ceiling (trần) - max up\n// Green/Cyan = floor (sàn) - max down\n// Yellow = reference (tham chiếu)\n// Red = up, Blue = down (common VN convention)\nexport const VN_COLORS: MarketColorScheme = {\n up: '#FF0000', // Đỏ - tăng\n down: '#0000FF', // Xanh dương - giảm\n unchanged: '#FFD700', // Vàng - tham chiếu\n ceiling: '#FF00FF', // Tím - trần\n floor: '#00FFFF', // Xanh lam - sàn\n reference: '#FFD700', // Vàng - tham chiếu\n};\n\nexport const HOSE_SESSIONS: TradingSession[] = [\n { name: 'ATO', startTime: '09:00', endTime: '09:15', type: 'preOpen' },\n { name: 'Phiên 1', startTime: '09:15', endTime: '11:30', type: 'continuous' },\n { name: 'Nghỉ trưa', startTime: '11:30', endTime: '13:00', type: 'closed' },\n { name: 'Phiên 2', startTime: '13:00', endTime: '14:30', type: 'continuous' },\n { name: 'ATC', startTime: '14:30', endTime: '14:45', type: 'preClose' },\n];\n\nexport const HNX_SESSIONS: TradingSession[] = [\n { name: 'Phiên 1', startTime: '09:00', endTime: '11:30', type: 'continuous' },\n { name: 'Nghỉ trưa', startTime: '11:30', endTime: '13:00', type: 'closed' },\n { name: 'Phiên 2', startTime: '13:00', endTime: '14:30', type: 'continuous' },\n { name: 'ATC', startTime: '14:30', endTime: '14:45', type: 'preClose' },\n];\n\n// Market presets\nexport const MARKET_HOSE: MarketConfig = {\n type: 'stock',\n exchange: 'HOSE',\n currency: 'VND',\n pricePrecision: 2,\n volumeUnit: 10,\n priceStep: 0.05,\n priceLimits: { enabled: true, ceilingPercent: 7, floorPercent: 7 },\n sessions: HOSE_SESSIONS,\n colorScheme: VN_COLORS,\n};\n\nexport const MARKET_HNX: MarketConfig = {\n type: 'stock',\n exchange: 'HNX',\n currency: 'VND',\n pricePrecision: 1,\n volumeUnit: 100,\n priceStep: 0.1,\n priceLimits: { enabled: true, ceilingPercent: 10, floorPercent: 10 },\n sessions: HNX_SESSIONS,\n colorScheme: VN_COLORS,\n};\n\nexport const MARKET_UPCOM: MarketConfig = {\n type: 'stock',\n exchange: 'UPCOM',\n currency: 'VND',\n pricePrecision: 1,\n volumeUnit: 100,\n priceStep: 0.1,\n priceLimits: { enabled: true, ceilingPercent: 15, floorPercent: 15 },\n sessions: HNX_SESSIONS,\n colorScheme: VN_COLORS,\n};\n\nexport const MARKET_CRYPTO: MarketConfig = {\n type: 'crypto',\n currency: 'USDT',\n pricePrecision: 2,\n priceLimits: { enabled: false },\n};\n\nexport const MARKET_NYSE: MarketConfig = {\n type: 'stock',\n exchange: 'NYSE',\n currency: 'USD',\n pricePrecision: 2,\n priceStep: 0.01,\n priceLimits: { enabled: false },\n sessions: [\n { name: 'Pre-Market', startTime: '04:00', endTime: '09:30', type: 'preOpen' },\n { name: 'Regular', startTime: '09:30', endTime: '16:00', type: 'continuous' },\n { name: 'After-Hours', startTime: '16:00', endTime: '20:00', type: 'preClose' },\n ],\n};\n\n// Build a theme variant for VN stock market\nexport function createVNTheme(base: Theme): Theme {\n return {\n ...base,\n candleUp: VN_COLORS.up,\n candleDown: VN_COLORS.down,\n candleUpWick: VN_COLORS.up,\n candleDownWick: VN_COLORS.down,\n volumeUp: 'rgba(255, 0, 0, 0.3)',\n volumeDown: 'rgba(0, 0, 255, 0.3)',\n };\n}\n\nexport function computePriceLimits(referencePrice: number, config: MarketConfig): { ceiling: number; floor: number; reference: number } \| null {\n if (!config.priceLimits?.enabled \|\| !config.priceLimits.ceilingPercent) return null;\n const ceilPct = config.priceLimits.ceilingPercent / 100;\n const floorPct = (config.priceLimits.floorPercent ?? config.priceLimits.ceilingPercent) / 100;\n return {\n ceiling: referencePrice (1 + ceilPct),\n floor: referencePrice * (1 - floorPct),\n reference: referencePrice,\n };\n}\n\nexport function getCurrentSession(sessions: TradingSession[]): TradingSession \| null {\n const now = new Date();\n const hhmm = `${String(now.getHours()).padStart(2, '0')}:${String(now.getMinutes()).padStart(2, '0')}`;\n for (const session of sessions) {\n if (hhmm >= session.startTime && hhmm < session.endTime) return session;\n }\n return 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+25

-1

dist/types/events.d.ts

		import { OHLCBar, DataSeries } from './ohlc.js';
		import { Point } from './rendering.js';
		import { IndicatorValue } from './indicator.js';
		export type ChartEventType = 'crosshairMove' \| 'click' \| 'barClick' \| 'visibleRangeChange' \| 'priceRangeChange' \| 'zoomChange' \| 'dataUpdate' \| 'indicatorAdd' \| 'indicatorRemove' \| 'themeChange' \| 'resize' \| 'orderPlace' \| 'orderModify' \| 'orderCancel' \| 'positionClose' \| 'positionModify' \| 'drawingCreate' \| 'drawingRemove' \| 'signalMarkerAdd' \| 'signalMarkerRemove' \| 'tradeZoneAdd' \| 'tradeZoneRemove';
		export type ChartEventType = 'crosshairMove' \| 'click' \| 'barClick' \| 'visibleRangeChange' \| 'priceRangeChange' \| 'zoomChange' \| 'dataUpdate' \| 'indicatorAdd' \| 'indicatorRemove' \| 'themeChange' \| 'resize' \| 'orderPlace' \| 'orderModify' \| 'orderCancel' \| 'positionClose' \| 'positionModify' \| 'bracketPlace' \| 'drawingCreate' \| 'drawingRemove' \| 'signalMarkerAdd' \| 'signalMarkerRemove' \| 'tradeZoneAdd' \| 'tradeZoneRemove' \| 'alertAdd' \| 'alertRemove' \| 'alertTriggered' \| 'alertUpdate';
		export interface ChartEvent<T = unknown> {
		@@ -47,2 +47,11 @@ type: ChartEventType;
		}
		export interface BracketPlacePayload {
		side: 'buy' \| 'sell';
		entry: number;
		stopLoss: number;
		takeProfit: number;
		quantity?: number;
		/** Reward-to-risk ratio = \|TP − entry\| / \|entry − SL\|. */
		riskReward: number;
		}
		export interface IndicatorChangePayload {
		@@ -88,2 +97,9 @@ instanceId: string;
		}
		export interface AlertPayload {
		id: string;
		price: number;
		condition: string;
		message?: string;
		triggered: boolean;
		}
		export interface ChartEventMap {
		@@ -105,2 +121,3 @@ crosshairMove: CrosshairMovePayload;
		orderPlace: OrderPlacePayload;
		bracketPlace: BracketPlacePayload;
		orderModify: OrderModifyPayload;
		@@ -116,3 +133,10 @@ orderCancel: OrderCancelPayload;
		tradeZoneRemove: TradeZoneRemovePayload;
		alertAdd: AlertPayload;
		alertRemove: AlertRemovePayload;
		alertTriggered: AlertPayload;
		alertUpdate: AlertPayload;
		}
		export interface AlertRemovePayload {
		id: string;
		}
		export interface TauriBridgeOptions {
		@@ -119,0 +143,0 @@ enabled: boolean;

+1

-1

dist/types/events.d.ts.map

		@@ -1,1 +0,1 @@
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+17

-0

dist/types/rendering.d.ts

		@@ -15,2 +15,3 @@ export interface Point {
		}
		export type PriceScaleMode = 'regular' \| 'logarithmic' \| 'percentage' \| 'indexedTo100';
		export interface ViewportState {
		@@ -29,4 +30,20 @@ visibleRange: {
		chartRect: Rect;
		/**
		* Logarithmic price geometry. Kept for back-compat; mirrors
		* `scaleMode === 'logarithmic'`. Prefer reading `scaleMode`.
		*/
		logScale?: boolean;
		/**
		* Price-scale presentation. `regular`, `percentage`, and `indexedTo100` share
		* the same linear geometry — only the axis labels differ (rebased to
		* `scaleBaseline`). `logarithmic` changes the geometry. Defaults to
		* `regular` when unset.
		*/
		scaleMode?: PriceScaleMode;
		/**
		* Reference price for `percentage` / `indexedTo100` axis labels — usually the
		* close of the first visible bar. Set by the chart each frame.
		*/
		scaleBaseline?: number;
		/**
		* Optional reference to the current bar series. When set, drawings/indicators
		@@ -33,0 +50,0 @@ * treat `anchor.time` as a real timestamp and convert to bar index via

+1

-1

dist/types/rendering.d.ts.map

		@@ -1,1 +0,1 @@
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+11

-0

dist/utils/precision.d.ts

		@@ -0,4 +1,15 @@
		import { PriceScaleMode } from '../types/rendering.js';
		export declare function formatPrice(value: number, precision?: number, locale?: string): string;
		/**
		* Format a price-axis label for a given scale mode.
		*
		* - `regular` / `logarithmic`: the raw price.
		* - `percentage`: change from `baseline`, e.g. `+12.34%`.
		* - `indexedTo100`: the price rebased so `baseline` reads as 100.
		*
		* Falls back to a plain price when a baseline is required but missing/zero.
		*/
		export declare function formatPriceScaleLabel(price: number, mode: PriceScaleMode, baseline: number \| undefined, precision?: number, locale?: string): string;
		export declare function formatVolume(value: number): string;
		export declare function detectPrecision(values: number[]): number;
		//# sourceMappingURL=precision.d.ts.map

+1

-1

dist/utils/precision.d.ts.map

		@@ -1,1 +0,1 @@
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+22

-0

dist/utils/time.d.ts

		@@ -5,2 +5,24 @@ import { TimeFrame } from '../types/ohlc.js';
		export declare function alignToTimeframe(timestamp: number, tf: TimeFrame): number;
		export interface TimeParts {
		month: number;
		day: number;
		hours: number;
		minutes: number;
		}
		/**
		* Calendar parts of a timestamp in either the browser-local timezone
		* (`tzOffsetMinutes === null`) or a fixed UTC offset (e.g. -300 for EST).
		*/
		export declare function timeParts(timeMs: number, tzOffsetMinutes: number \| null): TimeParts;
		/** A short timezone label like `UTC-5` or `UTC+5:30` (browser-local when null). */
		export declare function tzLabel(tzOffsetMinutes: number \| null): string;
		/**
		* Start of the bucket a timestamp falls into for a given timeframe.
		*
		* Intraday and daily frames are anchored to the Unix epoch (UTC) via fixed-ms
		* flooring. Weekly frames are anchored to Monday (or `weekStartsOn`), monthly
		* and yearly frames use calendar boundaries (1st of month, Jan for years) so
		* 3M aligns to quarters and 12M to calendar years.
		*/
		export declare function timeframeBucketStart(timestamp: number, tf: TimeFrame, weekStartsOn?: 0 \| 1): number;
		//# sourceMappingURL=time.d.ts.map

+1

-1

dist/utils/time.d.ts.map

		@@ -1,1 +0,1 @@
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		{"version":3,"file":"time.d.ts","sourceRoot":"","sources":["../../src/utils/time.ts"],"names":[],"mappings":"AAAA,OAAO,KAAK,EAAE,SAAS,EAAE,MAAM,kBAAkB,CAAC;AA+BlD,wBAAgB,aAAa,CAAC,EAAE,EAAE,SAAS,GAAG,MAAM,CAEnD;AAED,wBAAgB,eAAe,CAAC,SAAS,EAAE,MAAM,EAAE,EAAE,EAAE,SAAS,GAAG,MAAM,CAUxE;AAED,wBAAgB,gBAAgB,CAAC,SAAS,EAAE,MAAM,EAAE,EAAE,EAAE,SAAS,GAAG,MAAM,CAGzE;AAED,MAAM,WAAW,SAAS;IACxB,KAAK,EAAE,MAAM,CAAC;IACd,GAAG,EAAE,MAAM,CAAC;IACZ,KAAK,EAAE,MAAM,CAAC;IACd,OAAO,EAAE,MAAM,CAAC;CACjB;AAED;;;GAGG;AACH,wBAAgB,SAAS,CAAC,MAAM,EAAE,MAAM,EAAE,eAAe,EAAE,MAAM,GAAG,IAAI,GAAG,SAAS,CAOnF;AAED,mFAAmF;AACnF,wBAAgB,OAAO,CAAC,eAAe,EAAE,MAAM,GAAG,IAAI,GAAG,MAAM,CAO9D;AAWD;;;;;;;GAOG;AACH,wBAAgB,oBAAoB,CAClC,SAAS,EAAE,MAAM,EACjB,EAAE,EAAE,SAAS,EACb,YAAY,GAAE,CAAC,GAAG,CAAK,GACtB,MAAM,CAyBR"}

+1

-1

package.json

		{
		"name": "@tradecanvas/commons",
		"version": "0.9.0",
		"version": "0.14.0",
		"type": "module",
		@@ -5,0 +5,0 @@ "description": "Shared types and utilities for @tradecanvas/chart",

@tradecanvas/commons - npm Package Compare versions

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