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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/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\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'\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';\nexport type OrderType = 'market' \| 'limit' \| 'stop' \| 'stopLimit';\nexport type OrderStatus = 'pending' \| 'filled' \| 'cancelled' \| 'rejected';\nexport type OrderLabel = 'LIMIT' \| 'STOP' \| 'SL' \| 'TP' \| 'STOP LIMIT';\n\nexport interface TradingOrder {\n id: string;\n side: OrderSide;\n type: OrderType;\n price: number;\n stopPrice?: number;\n quantity: number;\n label?: OrderLabel;\n draggable?: boolean;\n meta?: Record<string, unknown>;\n}\n\nexport interface TradingPosition {\n id: string;\n side: OrderSide;\n entryPrice: number;\n quantity: number;\n stopLoss?: number;\n takeProfit?: number;\n meta?: Record<string, unknown>;\n}\n\nexport interface DepthLevel {\n price: number;\n volume: number;\n}\n\nexport interface DepthData {\n bids: DepthLevel[];\n asks: DepthLevel[];\n}\n\nexport interface TradingConfig {\n enabled: boolean;\n orderColors?: { buy?: string; sell?: string };\n positionColors?: { profit?: string; loss?: string; entry?: string };\n depthOverlay?: {\n enabled?: boolean;\n bidColor?: string;\n askColor?: string;\n maxWidth?: number;\n };\n contextMenu?: { enabled?: boolean };\n pricePrecision?: number;\n dragThreshold?: number;\n}\n\nexport interface OrderPlaceIntent {\n side: OrderSide;\n type: OrderType;\n price: number;\n stopPrice?: number;\n quantity?: number;\n}\n\nexport interface OrderModifyIntent {\n orderId: string;\n newPrice: number;\n previousPrice: number;\n}\n\nexport interface OrderCancelIntent {\n orderId: string;\n}\n\nexport interface PositionModifyIntent {\n positionId: string;\n stopLoss?: number;\n takeProfit?: number;\n}\n\nexport interface PositionCloseIntent {\n positionId: string;\n}\n\nexport const DEFAULT_TRADING_CONFIG: TradingConfig = {\n enabled: true,\n orderColors: { buy: '#26A69A', sell: '#EF5350' },\n positionColors: { profit: '#26A69A', loss: '#EF5350', entry: '#2196F3' },\n depthOverlay: { enabled: false, bidColor: 'rgba(38,166,154,0.15)', askColor: 'rgba(239,83,80,0.15)', maxWidth: 100 },\n contextMenu: { enabled: true },\n pricePrecision: 2,\n dragThreshold: 3,\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/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\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'\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';\nexport type OrderType = 'market' \| 'limit' \| 'stop' \| 'stopLimit';\nexport type OrderStatus = 'pending' \| 'filled' \| 'cancelled' \| 'rejected';\nexport type OrderLabel = 'LIMIT' \| 'STOP' \| 'SL' \| 'TP' \| 'STOP LIMIT';\n\nexport interface TradingOrder {\n id: string;\n side: OrderSide;\n type: OrderType;\n price: number;\n stopPrice?: number;\n quantity: number;\n label?: OrderLabel;\n draggable?: boolean;\n meta?: Record<string, unknown>;\n}\n\nexport interface TradingPosition {\n id: string;\n side: OrderSide;\n entryPrice: number;\n quantity: number;\n /** Quantity already closed (for partial-close visualization). 0 ≤ closedQuantity ≤ quantity. /\n closedQuantity?: number;\n stopLoss?: number;\n takeProfit?: number;\n meta?: Record<string, unknown>;\n}\n\n/* Threshold-based P&L color stop. Sorted ascending by `pnl` is recommended. /\nexport interface PnLThreshold {\n /* Inclusive lower bound. Use -Infinity for the bottom-most stop. /\n pnl: number;\n color: string;\n}\n\n/* Tokens passed to position label templates. /\nexport interface PositionLabelContext {\n side: OrderSide;\n quantity: number;\n closedQuantity: number;\n openQuantity: number;\n entryPrice: number;\n currentPrice: number;\n pnl: number;\n pnlPct: number;\n precision: number;\n}\n\nexport interface DepthLevel {\n price: number;\n volume: number;\n}\n\nexport interface DepthData {\n bids: DepthLevel[];\n asks: DepthLevel[];\n}\n\nexport interface TradingConfig {\n enabled: boolean;\n orderColors?: { buy?: string; sell?: string };\n positionColors?: { profit?: string; loss?: string; entry?: string };\n /\n Optional gradient of colors keyed to P&L value. When provided, the rendered\n * position zone uses the color of the highest threshold whose `pnl` ≤ live P&L.\n * Falls back to `positionColors.profit`/`.loss` when unset.\n /\n pnlThresholds?: PnLThreshold[];\n /\n Position P&L label template. Supports tokens: {side} {qty} {closedQty}\n * {openQty} {entry} {price} {pnl} {pnlPct} {pnlSign}. Pass a function for\n * full control. Default: `{side} {qty} \| P&L: {pnlSign}{pnl}`.\n /\n positionLabel?: string \| ((ctx: PositionLabelContext) => string);\n depthOverlay?: {\n enabled?: boolean;\n bidColor?: string;\n askColor?: string;\n maxWidth?: number;\n };\n contextMenu?: { enabled?: boolean };\n pricePrecision?: number;\n dragThreshold?: number;\n}\n\nexport interface OrderPlaceIntent {\n side: OrderSide;\n type: OrderType;\n price: number;\n stopPrice?: number;\n quantity?: number;\n}\n\nexport interface OrderModifyIntent {\n orderId: string;\n newPrice: number;\n previousPrice: number;\n}\n\nexport interface OrderCancelIntent {\n orderId: string;\n}\n\nexport interface PositionModifyIntent {\n positionId: string;\n stopLoss?: number;\n takeProfit?: number;\n}\n\nexport interface PositionCloseIntent {\n positionId: string;\n}\n\nexport const DEFAULT_TRADING_CONFIG: TradingConfig = {\n enabled: true,\n orderColors: { buy: '#26A69A', sell: '#EF5350' },\n positionColors: { profit: '#26A69A', loss: '#EF5350', entry: '#2196F3' },\n depthOverlay: { enabled: false, bidColor: 'rgba(38,166,154,0.15)', askColor: 'rgba(239,83,80,0.15)', maxWidth: 100 },\n contextMenu: { enabled: true },\n pricePrecision: 2,\n dragThreshold: 3,\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/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\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'\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';\nexport type OrderType = 'market' \| 'limit' \| 'stop' \| 'stopLimit';\nexport type OrderStatus = 'pending' \| 'filled' \| 'cancelled' \| 'rejected';\nexport type OrderLabel = 'LIMIT' \| 'STOP' \| 'SL' \| 'TP' \| 'STOP LIMIT';\n\nexport interface TradingOrder {\n id: string;\n side: OrderSide;\n type: OrderType;\n price: number;\n stopPrice?: number;\n quantity: number;\n label?: OrderLabel;\n draggable?: boolean;\n meta?: Record<string, unknown>;\n}\n\nexport interface TradingPosition {\n id: string;\n side: OrderSide;\n entryPrice: number;\n quantity: number;\n stopLoss?: number;\n takeProfit?: number;\n meta?: Record<string, unknown>;\n}\n\nexport interface DepthLevel {\n price: number;\n volume: number;\n}\n\nexport interface DepthData {\n bids: DepthLevel[];\n asks: DepthLevel[];\n}\n\nexport interface TradingConfig {\n enabled: boolean;\n orderColors?: { buy?: string; sell?: string };\n positionColors?: { profit?: string; loss?: string; entry?: string };\n depthOverlay?: {\n enabled?: boolean;\n bidColor?: string;\n askColor?: string;\n maxWidth?: number;\n };\n contextMenu?: { enabled?: boolean };\n pricePrecision?: number;\n dragThreshold?: number;\n}\n\nexport interface OrderPlaceIntent {\n side: OrderSide;\n type: OrderType;\n price: number;\n stopPrice?: number;\n quantity?: number;\n}\n\nexport interface OrderModifyIntent {\n orderId: string;\n newPrice: number;\n previousPrice: number;\n}\n\nexport interface OrderCancelIntent {\n orderId: string;\n}\n\nexport interface PositionModifyIntent {\n positionId: string;\n stopLoss?: number;\n takeProfit?: number;\n}\n\nexport interface PositionCloseIntent {\n positionId: string;\n}\n\nexport const DEFAULT_TRADING_CONFIG: TradingConfig = {\n enabled: true,\n orderColors: { buy: '#26A69A', sell: '#EF5350' },\n positionColors: { profit: '#26A69A', loss: '#EF5350', entry: '#2196F3' },\n depthOverlay: { enabled: false, bidColor: 'rgba(38,166,154,0.15)', askColor: 'rgba(239,83,80,0.15)', maxWidth: 100 },\n contextMenu: { enabled: true },\n pricePrecision: 2,\n dragThreshold: 3,\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.js","names":[],"sources":["../src/types/rendering.ts","../src/types/drawing.ts","../src/types/trading.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\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'\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';\nexport type OrderType = 'market' \| 'limit' \| 'stop' \| 'stopLimit';\nexport type OrderStatus = 'pending' \| 'filled' \| 'cancelled' \| 'rejected';\nexport type OrderLabel = 'LIMIT' \| 'STOP' \| 'SL' \| 'TP' \| 'STOP LIMIT';\n\nexport interface TradingOrder {\n id: string;\n side: OrderSide;\n type: OrderType;\n price: number;\n stopPrice?: number;\n quantity: number;\n label?: OrderLabel;\n draggable?: boolean;\n meta?: Record<string, unknown>;\n}\n\nexport interface TradingPosition {\n id: string;\n side: OrderSide;\n entryPrice: number;\n quantity: number;\n /** Quantity already closed (for partial-close visualization). 0 ≤ closedQuantity ≤ quantity. /\n closedQuantity?: number;\n stopLoss?: number;\n takeProfit?: number;\n meta?: Record<string, unknown>;\n}\n\n/* Threshold-based P&L color stop. Sorted ascending by `pnl` is recommended. /\nexport interface PnLThreshold {\n /* Inclusive lower bound. Use -Infinity for the bottom-most stop. /\n pnl: number;\n color: string;\n}\n\n/* Tokens passed to position label templates. /\nexport interface PositionLabelContext {\n side: OrderSide;\n quantity: number;\n closedQuantity: number;\n openQuantity: number;\n entryPrice: number;\n currentPrice: number;\n pnl: number;\n pnlPct: number;\n precision: number;\n}\n\nexport interface DepthLevel {\n price: number;\n volume: number;\n}\n\nexport interface DepthData {\n bids: DepthLevel[];\n asks: DepthLevel[];\n}\n\nexport interface TradingConfig {\n enabled: boolean;\n orderColors?: { buy?: string; sell?: string };\n positionColors?: { profit?: string; loss?: string; entry?: string };\n /\n Optional gradient of colors keyed to P&L value. When provided, the rendered\n * position zone uses the color of the highest threshold whose `pnl` ≤ live P&L.\n * Falls back to `positionColors.profit`/`.loss` when unset.\n /\n pnlThresholds?: PnLThreshold[];\n /\n Position P&L label template. Supports tokens: {side} {qty} {closedQty}\n * {openQty} {entry} {price} {pnl} {pnlPct} {pnlSign}. Pass a function for\n * full control. Default: `{side} {qty} \| P&L: {pnlSign}{pnl}`.\n /\n positionLabel?: string \| ((ctx: PositionLabelContext) => string);\n depthOverlay?: {\n enabled?: boolean;\n bidColor?: string;\n askColor?: string;\n maxWidth?: number;\n };\n contextMenu?: { enabled?: boolean };\n pricePrecision?: number;\n dragThreshold?: number;\n}\n\nexport interface OrderPlaceIntent {\n side: OrderSide;\n type: OrderType;\n price: number;\n stopPrice?: number;\n quantity?: number;\n}\n\nexport interface OrderModifyIntent {\n orderId: string;\n newPrice: number;\n previousPrice: number;\n}\n\nexport interface OrderCancelIntent {\n orderId: string;\n}\n\nexport interface PositionModifyIntent {\n positionId: string;\n stopLoss?: number;\n takeProfit?: number;\n}\n\nexport interface PositionCloseIntent {\n positionId: string;\n}\n\nexport const DEFAULT_TRADING_CONFIG: TradingConfig = {\n enabled: true,\n orderColors: { buy: '#26A69A', sell: '#EF5350' },\n positionColors: { profit: '#26A69A', loss: '#EF5350', entry: '#2196F3' },\n depthOverlay: { enabled: false, bidColor: 'rgba(38,166,154,0.15)', askColor: 'rgba(239,83,80,0.15)', maxWidth: 100 },\n contextMenu: { enabled: true },\n pricePrecision: 2,\n dragThreshold: 3,\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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+1

-1

dist/types/chart.d.ts

		import { Theme, ThemeName } from './theme.js';
		import { DrawingToolType } from './drawing.js';
		import { TimeFrame } from './ohlc.js';
		export type ChartType = 'candlestick' \| 'line' \| 'area' \| 'bar' \| 'heikinAshi' \| 'hollowCandle' \| 'baseline' \| 'renko' \| 'lineBreak' \| 'kagi' \| 'pointAndFigure';
		export type ChartType = 'candlestick' \| 'line' \| 'area' \| 'bar' \| 'heikinAshi' \| 'hollowCandle' \| 'baseline' \| 'renko' \| 'lineBreak' \| 'kagi' \| 'pointAndFigure' \| 'rangeBars';
		export type LineStyle = 'solid' \| 'dashed' \| 'dotted';
		@@ -6,0 +6,0 @@ /**

+1

-1

dist/types/chart.d.ts.map

		@@ -1,1 +0,1 @@
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+32

-0

dist/types/trading.d.ts

		@@ -21,2 +21,4 @@ export type OrderSide = 'buy' \| 'sell';
		quantity: number;
		/** Quantity already closed (for partial-close visualization). 0 ≤ closedQuantity ≤ quantity. */
		closedQuantity?: number;
		stopLoss?: number;
		@@ -26,2 +28,20 @@ takeProfit?: number;
		}
		/** Threshold-based P&L color stop. Sorted ascending by `pnl` is recommended. */
		export interface PnLThreshold {
		/** Inclusive lower bound. Use -Infinity for the bottom-most stop. */
		pnl: number;
		color: string;
		}
		/** Tokens passed to position label templates. */
		export interface PositionLabelContext {
		side: OrderSide;
		quantity: number;
		closedQuantity: number;
		openQuantity: number;
		entryPrice: number;
		currentPrice: number;
		pnl: number;
		pnlPct: number;
		precision: number;
		}
		export interface DepthLevel {
		@@ -46,2 +66,14 @@ price: number;
		};
		/**
		* Optional gradient of colors keyed to P&L value. When provided, the rendered
		* position zone uses the color of the highest threshold whose `pnl` ≤ live P&L.
		* Falls back to `positionColors.profit`/`.loss` when unset.
		*/
		pnlThresholds?: PnLThreshold[];
		/**
		* Position P&L label template. Supports tokens: {side} {qty} {closedQty}
		* {openQty} {entry} {price} {pnl} {pnlPct} {pnlSign}. Pass a function for
		* full control. Default: `{side} {qty} \| P&L: {pnlSign}{pnl}`.
		*/
		positionLabel?: string \| ((ctx: PositionLabelContext) => string);
		depthOverlay?: {
		@@ -48,0 +80,0 @@ enabled?: boolean;

+1

-1

dist/types/trading.d.ts.map

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

-1

package.json

		{
		"name": "@tradecanvas/commons",
		"version": "0.5.0",
		"version": "0.6.0",
		"type": "module",
		@@ -5,0 +5,0 @@ "description": "Shared types and utilities for @tradecanvas/chart",

@tradecanvas/commons - npm Package Compare versions

Improved metrics