임시커밋

This commit is contained in:
2026-02-11 16:31:28 +09:00
parent f650d51f68
commit 3cea3e66d0
45 changed files with 289 additions and 236 deletions

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"use client";
import { useCallback, useEffect, useMemo, useRef, useState } from "react";
import {
CandlestickSeries,
ColorType,
HistogramSeries,
createChart,
type IChartApi,
type ISeriesApi,
type Time,
} from "lightweight-charts";
import { ChevronDown } from "lucide-react";
import { useTheme } from "next-themes";
import { toast } from "sonner";
import { fetchStockChart } from "@/features/trade/apis/kis-stock.api";
import type { KisRuntimeCredentials } from "@/features/settings/store/use-kis-runtime-store";
import type {
DashboardChartTimeframe,
DashboardRealtimeTradeTick,
StockCandlePoint,
} from "@/features/trade/types/trade.types";
import { cn } from "@/lib/utils";
import {
type ChartBar,
formatKstCrosshairTime,
formatKstTickMark,
formatPrice,
formatSignedPercent,
isMinuteTimeframe,
mergeBars,
normalizeCandles,
toRealtimeTickBar,
upsertRealtimeBar,
} from "./chart-utils";
const UP_COLOR = "#ef4444";
const MINUTE_SYNC_INTERVAL_MS = 5000;
const REALTIME_STALE_THRESHOLD_MS = 12000;
interface ChartPalette {
backgroundColor: string;
downColor: string;
volumeDownColor: string;
textColor: string;
borderColor: string;
gridColor: string;
crosshairColor: string;
}
const DEFAULT_CHART_PALETTE: ChartPalette = {
backgroundColor: "#ffffff",
downColor: "#2563eb",
volumeDownColor: "rgba(37, 99, 235, 0.45)",
textColor: "#6d28d9",
borderColor: "#e9d5ff",
gridColor: "#f3e8ff",
crosshairColor: "#c084fc",
};
function readCssVar(name: string, fallback: string) {
if (typeof window === "undefined") return fallback;
const value = window.getComputedStyle(document.documentElement).getPropertyValue(name).trim();
return value || fallback;
}
function getChartPaletteFromCssVars(themeMode: "light" | "dark"): ChartPalette {
const isDark = themeMode === "dark";
const backgroundVar = isDark
? "--brand-chart-background-dark"
: "--brand-chart-background-light";
const textVar = isDark ? "--brand-chart-text-dark" : "--brand-chart-text-light";
const borderVar = isDark ? "--brand-chart-border-dark" : "--brand-chart-border-light";
const gridVar = isDark ? "--brand-chart-grid-dark" : "--brand-chart-grid-light";
const crosshairVar = isDark
? "--brand-chart-crosshair-dark"
: "--brand-chart-crosshair-light";
return {
backgroundColor: readCssVar(backgroundVar, DEFAULT_CHART_PALETTE.backgroundColor),
downColor: readCssVar("--brand-chart-down", DEFAULT_CHART_PALETTE.downColor),
volumeDownColor: readCssVar(
"--brand-chart-volume-down",
DEFAULT_CHART_PALETTE.volumeDownColor,
),
textColor: readCssVar(textVar, DEFAULT_CHART_PALETTE.textColor),
borderColor: readCssVar(borderVar, DEFAULT_CHART_PALETTE.borderColor),
gridColor: readCssVar(gridVar, DEFAULT_CHART_PALETTE.gridColor),
crosshairColor: readCssVar(
crosshairVar,
DEFAULT_CHART_PALETTE.crosshairColor,
),
};
}
const MINUTE_TIMEFRAMES: Array<{
value: DashboardChartTimeframe;
label: string;
}> = [
{ value: "1m", label: "1분" },
{ value: "30m", label: "30분" },
{ value: "1h", label: "1시간" },
];
const PERIOD_TIMEFRAMES: Array<{
value: DashboardChartTimeframe;
label: string;
}> = [
{ value: "1d", label: "일" },
{ value: "1w", label: "주" },
];
interface StockLineChartProps {
symbol?: string;
candles: StockCandlePoint[];
credentials?: KisRuntimeCredentials | null;
latestTick?: DashboardRealtimeTradeTick | null;
}
/**
* @description TradingView 스타일 캔들 차트를 렌더링하고, timeframe별 KIS 차트 API를 조회합니다.
* @see features/trade/apis/kis-stock.api.ts fetchStockChart
* @see lib/kis/domestic.ts getDomesticChart
*/
export function StockLineChart({
symbol,
candles,
credentials,
latestTick,
}: StockLineChartProps) {
const { resolvedTheme } = useTheme();
const containerRef = useRef<HTMLDivElement | null>(null);
const chartRef = useRef<IChartApi | null>(null);
const candleSeriesRef = useRef<ISeriesApi<"Candlestick", Time> | null>(null);
const volumeSeriesRef = useRef<ISeriesApi<"Histogram", Time> | null>(null);
const [timeframe, setTimeframe] = useState<DashboardChartTimeframe>("1d");
const [isMinuteDropdownOpen, setIsMinuteDropdownOpen] = useState(false);
const [bars, setBars] = useState<ChartBar[]>([]);
const [nextCursor, setNextCursor] = useState<string | null>(null);
const [isLoading, setIsLoading] = useState(false);
const [isLoadingMore, setIsLoadingMore] = useState(false);
const [isChartReady, setIsChartReady] = useState(false);
const lastRealtimeKeyRef = useRef<string>("");
const lastRealtimeAppliedAtRef = useRef(0);
const chartPaletteRef = useRef<ChartPalette>(DEFAULT_CHART_PALETTE);
const renderableBarsRef = useRef<ChartBar[]>([]);
const activeThemeMode: "light" | "dark" =
resolvedTheme === "dark"
? "dark"
: resolvedTheme === "light"
? "light"
: typeof document !== "undefined" &&
document.documentElement.classList.contains("dark")
? "dark"
: "light";
// 복수 이벤트에서 중복 로드를 막기 위한 ref 상태
const loadingMoreRef = useRef(false);
const loadMoreHandlerRef = useRef<() => Promise<void>>(async () => {});
const initialLoadCompleteRef = useRef(false);
// API 오류 시 fallback 용도로 유지
const latestCandlesRef = useRef(candles);
useEffect(() => {
latestCandlesRef.current = candles;
}, [candles]);
const latest = bars.at(-1);
const prevClose = bars.length > 1 ? (bars.at(-2)?.close ?? 0) : 0;
const change = latest ? latest.close - prevClose : 0;
const changeRate = prevClose > 0 ? (change / prevClose) * 100 : 0;
const renderableBars = useMemo(() => {
const dedup = new Map<number, ChartBar>();
for (const bar of bars) {
if (
!Number.isFinite(bar.time) ||
!Number.isFinite(bar.open) ||
!Number.isFinite(bar.high) ||
!Number.isFinite(bar.low) ||
!Number.isFinite(bar.close) ||
bar.close <= 0
) {
continue;
}
dedup.set(bar.time, bar);
}
return [...dedup.values()].sort((a, b) => a.time - b.time);
}, [bars]);
useEffect(() => {
renderableBarsRef.current = renderableBars;
}, [renderableBars]);
/**
* @description lightweight-charts 시리즈 데이터에 안전한 OHLCV 값을 주입합니다.
* @see features/trade/components/chart/StockLineChart.tsx renderableBars useMemo
*/
const setSeriesData = useCallback((nextBars: ChartBar[]) => {
const candleSeries = candleSeriesRef.current;
const volumeSeries = volumeSeriesRef.current;
if (!candleSeries || !volumeSeries) return;
try {
candleSeries.setData(
nextBars.map((bar) => ({
time: bar.time,
open: bar.open,
high: bar.high,
low: bar.low,
close: bar.close,
})),
);
volumeSeries.setData(
nextBars.map((bar) => ({
time: bar.time,
value: Number.isFinite(bar.volume) ? bar.volume : 0,
color:
bar.close >= bar.open
? "rgba(239,68,68,0.45)"
: chartPaletteRef.current.volumeDownColor,
})),
);
} catch (error) {
console.error("Failed to render chart series data:", error);
}
}, []);
/**
* @description 좌측 스크롤 시 cursor 기반 과거 캔들을 추가 로드합니다.
* @see lib/kis/domestic.ts getDomesticChart cursor
*/
const handleLoadMore = useCallback(async () => {
if (!symbol || !credentials || !nextCursor || loadingMoreRef.current) return;
loadingMoreRef.current = true;
setIsLoadingMore(true);
try {
const response = await fetchStockChart(
symbol,
timeframe,
credentials,
nextCursor,
);
const olderBars = normalizeCandles(response.candles, timeframe);
setBars((prev) => mergeBars(olderBars, prev));
setNextCursor(response.hasMore ? response.nextCursor : null);
} catch (error) {
const message =
error instanceof Error
? error.message
: "과거 차트 데이터를 불러오지 못했습니다.";
toast.error(message);
} finally {
loadingMoreRef.current = false;
setIsLoadingMore(false);
}
}, [credentials, nextCursor, symbol, timeframe]);
useEffect(() => {
loadMoreHandlerRef.current = handleLoadMore;
}, [handleLoadMore]);
useEffect(() => {
lastRealtimeKeyRef.current = "";
lastRealtimeAppliedAtRef.current = 0;
}, [symbol, timeframe]);
useEffect(() => {
const container = containerRef.current;
if (!container || chartRef.current) return;
// 브랜드 색상은 globals.css의 CSS 변수에서 읽어 차트(canvas)에도 동일하게 적용합니다.
const palette = getChartPaletteFromCssVars(activeThemeMode);
chartPaletteRef.current = palette;
const chart = createChart(container, {
width: Math.max(container.clientWidth, 320),
height: Math.max(container.clientHeight, 340),
layout: {
background: { type: ColorType.Solid, color: palette.backgroundColor },
textColor: palette.textColor,
attributionLogo: true,
},
localization: {
locale: "ko-KR",
timeFormatter: formatKstCrosshairTime,
},
rightPriceScale: {
borderColor: palette.borderColor,
scaleMargins: {
top: 0.08,
bottom: 0.24,
},
},
grid: {
vertLines: { color: palette.gridColor },
horzLines: { color: palette.gridColor },
},
crosshair: {
vertLine: { color: palette.crosshairColor, width: 1, style: 2 },
horzLine: { color: palette.crosshairColor, width: 1, style: 2 },
},
timeScale: {
borderColor: palette.borderColor,
timeVisible: true,
secondsVisible: false,
rightOffset: 2,
tickMarkFormatter: formatKstTickMark,
},
handleScroll: {
mouseWheel: true,
pressedMouseMove: true,
},
handleScale: {
mouseWheel: true,
pinch: true,
axisPressedMouseMove: true,
},
});
const candleSeries = chart.addSeries(CandlestickSeries, {
upColor: UP_COLOR,
downColor: palette.downColor,
wickUpColor: UP_COLOR,
wickDownColor: palette.downColor,
borderUpColor: UP_COLOR,
borderDownColor: palette.downColor,
priceLineVisible: true,
lastValueVisible: true,
});
const volumeSeries = chart.addSeries(HistogramSeries, {
priceScaleId: "volume",
priceLineVisible: false,
lastValueVisible: false,
base: 0,
});
chart.priceScale("volume").applyOptions({
scaleMargins: {
top: 0.78,
bottom: 0,
},
borderVisible: false,
});
let scrollTimeout: number | undefined;
chart.timeScale().subscribeVisibleLogicalRangeChange((range) => {
if (!range || !initialLoadCompleteRef.current) return;
if (range.from >= 10) return;
if (scrollTimeout !== undefined) window.clearTimeout(scrollTimeout);
scrollTimeout = window.setTimeout(() => {
void loadMoreHandlerRef.current();
}, 250);
});
chartRef.current = chart;
candleSeriesRef.current = candleSeries;
volumeSeriesRef.current = volumeSeries;
setIsChartReady(true);
const resizeObserver = new ResizeObserver(() => {
chart.resize(
Math.max(container.clientWidth, 320),
Math.max(container.clientHeight, 340),
);
});
resizeObserver.observe(container);
const rafId = window.requestAnimationFrame(() => {
chart.resize(
Math.max(container.clientWidth, 320),
Math.max(container.clientHeight, 340),
);
});
return () => {
if (scrollTimeout !== undefined) window.clearTimeout(scrollTimeout);
window.cancelAnimationFrame(rafId);
resizeObserver.disconnect();
chart.remove();
chartRef.current = null;
candleSeriesRef.current = null;
volumeSeriesRef.current = null;
setIsChartReady(false);
};
}, [activeThemeMode]);
useEffect(() => {
const chart = chartRef.current;
const candleSeries = candleSeriesRef.current;
if (!chart || !candleSeries) return;
const palette = getChartPaletteFromCssVars(activeThemeMode);
chartPaletteRef.current = palette;
chart.applyOptions({
layout: {
background: { type: ColorType.Solid, color: palette.backgroundColor },
textColor: palette.textColor,
},
rightPriceScale: { borderColor: palette.borderColor },
grid: {
vertLines: { color: palette.gridColor },
horzLines: { color: palette.gridColor },
},
crosshair: {
vertLine: { color: palette.crosshairColor, width: 1, style: 2 },
horzLine: { color: palette.crosshairColor, width: 1, style: 2 },
},
timeScale: { borderColor: palette.borderColor },
});
candleSeries.applyOptions({
downColor: palette.downColor,
wickDownColor: palette.downColor,
borderDownColor: palette.downColor,
});
setSeriesData(renderableBarsRef.current);
}, [activeThemeMode, setSeriesData]);
useEffect(() => {
if (symbol && credentials) return;
// 인증 전/종목 미선택 상태는 overview 캔들로 fallback
setBars(normalizeCandles(candles, "1d"));
setNextCursor(null);
}, [candles, credentials, symbol]);
useEffect(() => {
if (!symbol || !credentials) return;
initialLoadCompleteRef.current = false;
let disposed = false;
const load = async () => {
setIsLoading(true);
try {
const firstPage = await fetchStockChart(symbol, timeframe, credentials);
if (disposed) return;
let mergedBars = normalizeCandles(firstPage.candles, timeframe);
let resolvedNextCursor = firstPage.hasMore ? firstPage.nextCursor : null;
// 분봉은 기본 3페이지까지 순차 조회해 오전 구간 누락을 줄입니다.
if (
isMinuteTimeframe(timeframe) &&
firstPage.hasMore &&
firstPage.nextCursor
) {
let minuteCursor: string | null = firstPage.nextCursor;
let extraPageCount = 0;
while (minuteCursor && extraPageCount < 2) {
try {
const olderPage = await fetchStockChart(
symbol,
timeframe,
credentials,
minuteCursor,
);
const olderBars = normalizeCandles(olderPage.candles, timeframe);
mergedBars = mergeBars(olderBars, mergedBars);
resolvedNextCursor = olderPage.hasMore ? olderPage.nextCursor : null;
minuteCursor = olderPage.hasMore ? olderPage.nextCursor : null;
extraPageCount += 1;
} catch {
// 추가 페이지 실패는 치명적이지 않으므로 현재 데이터는 유지합니다.
minuteCursor = null;
}
}
}
setBars(mergedBars);
setNextCursor(resolvedNextCursor);
window.setTimeout(() => {
if (!disposed) initialLoadCompleteRef.current = true;
}, 350);
} catch (error) {
if (disposed) return;
const message =
error instanceof Error
? error.message
: "차트 조회 중 오류가 발생했습니다.";
toast.error(message);
setBars(normalizeCandles(latestCandlesRef.current, timeframe));
setNextCursor(null);
} finally {
if (!disposed) setIsLoading(false);
}
};
void load();
return () => {
disposed = true;
};
}, [credentials, symbol, timeframe]);
useEffect(() => {
if (!isChartReady) return;
setSeriesData(renderableBars);
if (!initialLoadCompleteRef.current && renderableBars.length > 0) {
chartRef.current?.timeScale().fitContent();
}
}, [isChartReady, renderableBars, setSeriesData]);
/**
* @description WebSocket 체결 틱을 현재 timeframe 캔들에 반영합니다.
* @see features/trade/hooks/useKisTradeWebSocket.ts latestTick
* @see features/trade/components/chart/chart-utils.ts toRealtimeTickBar
*/
useEffect(() => {
if (!latestTick) return;
if (bars.length === 0) return;
const dedupeKey = `${timeframe}:${latestTick.tickTime}:${latestTick.price}:${latestTick.tradeVolume}`;
if (lastRealtimeKeyRef.current === dedupeKey) return;
const realtimeBar = toRealtimeTickBar(latestTick, timeframe);
if (!realtimeBar) return;
lastRealtimeKeyRef.current = dedupeKey;
lastRealtimeAppliedAtRef.current = Date.now();
setBars((prev) => upsertRealtimeBar(prev, realtimeBar));
}, [bars.length, latestTick, timeframe]);
/**
* @description 분봉(1m/30m/1h)에서는 WS 공백 상황을 대비해 최신 페이지를 주기적으로 동기화합니다.
* @see features/trade/apis/kis-stock.api.ts fetchStockChart
* @see lib/kis/domestic.ts getDomesticChart
*/
useEffect(() => {
if (!symbol || !credentials) return;
if (!isMinuteTimeframe(timeframe)) return;
let disposed = false;
const syncLatestMinuteBars = async () => {
const now = Date.now();
const isRealtimeFresh =
now - lastRealtimeAppliedAtRef.current < REALTIME_STALE_THRESHOLD_MS;
if (isRealtimeFresh) return;
try {
const response = await fetchStockChart(symbol, timeframe, credentials);
if (disposed) return;
const latestPageBars = normalizeCandles(response.candles, timeframe);
const recentBars = latestPageBars.slice(-10);
if (recentBars.length === 0) return;
setBars((prev) => mergeBars(prev, recentBars));
} catch {
// 폴링 실패는 치명적이지 않으므로 조용히 다음 주기에서 재시도합니다.
}
};
const intervalId = window.setInterval(() => {
void syncLatestMinuteBars();
}, MINUTE_SYNC_INTERVAL_MS);
return () => {
disposed = true;
window.clearInterval(intervalId);
};
}, [credentials, symbol, timeframe]);
const statusMessage = (() => {
if (isLoading && bars.length === 0) {
return "차트 데이터를 불러오는 중입니다.";
}
if (bars.length === 0) {
return "차트 데이터가 없습니다.";
}
if (renderableBars.length === 0) {
return "차트 데이터 형식이 올바르지 않습니다.";
}
return null;
})();
return (
<div className="flex h-full min-h-[340px] flex-col bg-white dark:bg-brand-900/10">
{/* ========== CHART TOOLBAR ========== */}
<div className="flex flex-wrap items-center justify-between gap-2 border-b border-brand-100 bg-muted/20 px-2 py-2 sm:px-3 dark:border-brand-800/45 dark:bg-brand-900/35">
<div className="flex flex-wrap items-center gap-1 text-xs sm:text-sm">
<div className="relative">
<button
type="button"
onClick={() => setIsMinuteDropdownOpen((prev) => !prev)}
onBlur={() =>
window.setTimeout(() => setIsMinuteDropdownOpen(false), 200)
}
className={cn(
"relative flex items-center gap-1 border-b-2 border-transparent px-2 py-1.5 text-muted-foreground transition-colors hover:text-foreground dark:text-brand-100/72 dark:hover:text-brand-50",
MINUTE_TIMEFRAMES.some((item) => item.value === timeframe) &&
"border-brand-400 font-semibold text-foreground dark:text-brand-50",
)}
>
{MINUTE_TIMEFRAMES.find((item) => item.value === timeframe)
?.label ?? "분봉"}
<ChevronDown className="h-3 w-3" />
</button>
{isMinuteDropdownOpen && (
<div className="absolute left-0 top-full z-10 mt-1 rounded border border-brand-100 bg-white shadow-lg dark:border-brand-700/45 dark:bg-[#1a1624]">
{MINUTE_TIMEFRAMES.map((item) => (
<button
key={item.value}
type="button"
onClick={() => {
setTimeframe(item.value);
setIsMinuteDropdownOpen(false);
}}
className={cn(
"block w-full whitespace-nowrap px-3 py-1.5 text-left hover:bg-brand-50 dark:text-brand-100 dark:hover:bg-brand-800/35",
timeframe === item.value &&
"bg-brand-50 font-semibold text-brand-700 dark:bg-brand-700/30 dark:text-brand-100",
)}
>
{item.label}
</button>
))}
</div>
)}
</div>
{PERIOD_TIMEFRAMES.map((item) => (
<button
key={item.value}
type="button"
onClick={() => setTimeframe(item.value)}
className={cn(
"relative border-b-2 border-transparent px-2 py-1.5 text-muted-foreground transition-colors hover:text-foreground dark:text-brand-100/72 dark:hover:text-brand-50",
timeframe === item.value &&
"border-brand-400 font-semibold text-foreground dark:text-brand-50",
)}
>
{item.label}
</button>
))}
{isLoadingMore && (
<span className="ml-2 text-[11px] text-muted-foreground dark:text-brand-200/70">
...
</span>
)}
</div>
<div className="text-[11px] text-muted-foreground dark:text-brand-100/85 sm:text-xs">
O {formatPrice(latest?.open ?? 0)} H {formatPrice(latest?.high ?? 0)} L{" "}
{formatPrice(latest?.low ?? 0)} C{" "}
<span
className={cn(
change >= 0 ? "text-red-600" : "text-blue-600 dark:text-blue-400",
)}
>
{formatPrice(latest?.close ?? 0)} ({formatSignedPercent(changeRate)})
</span>
</div>
</div>
{/* ========== CHART BODY ========== */}
<div className="relative min-h-0 flex-1 overflow-hidden">
<div ref={containerRef} className="h-full w-full" />
{statusMessage && (
<div className="absolute inset-0 flex items-center justify-center bg-white/80 text-sm text-muted-foreground dark:bg-background/90 dark:text-brand-100/80">
{statusMessage}
</div>
)}
</div>
</div>
);
}

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/**
* @file chart-utils.ts
* @description StockLineChart에서 사용하는 유틸리티 함수 모음
*/
import type {
TickMarkType,
Time,
UTCTimestamp,
} from "lightweight-charts";
import type {
DashboardChartTimeframe,
DashboardRealtimeTradeTick,
StockCandlePoint,
} from "@/features/trade/types/trade.types";
const KRW_FORMATTER = new Intl.NumberFormat("ko-KR");
const KST_TIME_ZONE = "Asia/Seoul";
const KST_TIME_FORMATTER = new Intl.DateTimeFormat("ko-KR", {
timeZone: KST_TIME_ZONE,
hour: "2-digit",
minute: "2-digit",
hour12: false,
});
const KST_TIME_SECONDS_FORMATTER = new Intl.DateTimeFormat("ko-KR", {
timeZone: KST_TIME_ZONE,
hour: "2-digit",
minute: "2-digit",
second: "2-digit",
hour12: false,
});
const KST_DATE_FORMATTER = new Intl.DateTimeFormat("ko-KR", {
timeZone: KST_TIME_ZONE,
month: "2-digit",
day: "2-digit",
});
const KST_MONTH_FORMATTER = new Intl.DateTimeFormat("ko-KR", {
timeZone: KST_TIME_ZONE,
month: "short",
});
const KST_YEAR_FORMATTER = new Intl.DateTimeFormat("ko-KR", {
timeZone: KST_TIME_ZONE,
year: "numeric",
});
const KST_CROSSHAIR_FORMATTER = new Intl.DateTimeFormat("ko-KR", {
timeZone: KST_TIME_ZONE,
month: "2-digit",
day: "2-digit",
hour: "2-digit",
minute: "2-digit",
hour12: false,
});
// ─── 타입 ──────────────────────────────────────────────────
export type ChartBar = {
time: UTCTimestamp;
open: number;
high: number;
low: number;
close: number;
volume: number;
};
// ─── StockCandlePoint → ChartBar 변환 ─────────────────────
/**
* candles 배열을 ChartBar 배열로 정규화 (무효값 필터 + 병합 + 정렬)
*/
export function normalizeCandles(
candles: StockCandlePoint[],
timeframe: DashboardChartTimeframe,
): ChartBar[] {
const rows = candles
.map((c) => convertCandleToBar(c, timeframe))
.filter((b): b is ChartBar => Boolean(b));
return mergeBars([], rows);
}
/**
* 단일 candle → ChartBar 변환. 유효하지 않으면 null
*/
export function convertCandleToBar(
candle: StockCandlePoint,
timeframe: DashboardChartTimeframe,
): ChartBar | null {
const close = candle.close ?? candle.price;
if (!Number.isFinite(close) || close <= 0) return null;
const open = candle.open ?? close;
const high = candle.high ?? Math.max(open, close);
const low = candle.low ?? Math.min(open, close);
const volume = candle.volume ?? 0;
const time = resolveBarTimestamp(candle, timeframe);
if (!time) return null;
return {
time,
open,
high: Math.max(high, open, close),
low: Math.min(low, open, close),
close,
volume,
};
}
// ─── 타임스탬프 해석/정렬 ─────────────────────────────────
function resolveBarTimestamp(
candle: StockCandlePoint,
timeframe: DashboardChartTimeframe,
): UTCTimestamp | null {
// timestamp 필드가 있으면 우선 사용
if (
typeof candle.timestamp === "number" &&
Number.isFinite(candle.timestamp)
) {
return alignTimestamp(candle.timestamp, timeframe);
}
const text = typeof candle.time === "string" ? candle.time.trim() : "";
if (!text) return null;
// "MM/DD" 형식 (일봉)
if (/^\d{2}\/\d{2}$/.test(text)) {
const [mm, dd] = text.split("/");
const year = new Date().getFullYear();
const ts = Math.floor(
new Date(`${year}-${mm}-${dd}T09:00:00+09:00`).getTime() / 1000,
);
return alignTimestamp(ts, timeframe);
}
// "HH:MM" 또는 "HH:MM:SS" 형식 (분봉)
if (/^\d{2}:\d{2}(:\d{2})?$/.test(text)) {
const [hh, mi, ss] = text.split(":");
const now = new Date();
const y = now.getFullYear();
const m = `${now.getMonth() + 1}`.padStart(2, "0");
const d = `${now.getDate()}`.padStart(2, "0");
const ts = Math.floor(
new Date(`${y}-${m}-${d}T${hh}:${mi}:${ss ?? "00"}+09:00`).getTime() /
1000,
);
return alignTimestamp(ts, timeframe);
}
return null;
}
/**
* 타임스탬프를 타임프레임 버킷 경계에 정렬
* - 1m: 그대로
* - 30m/1h: 분 단위를 버킷에 정렬
* - 1d: 00:00:00
* - 1w: 월요일 00:00:00
*/
function alignTimestamp(
timestamp: number,
timeframe: DashboardChartTimeframe,
): UTCTimestamp {
const d = new Date(timestamp * 1000);
if (timeframe === "30m" || timeframe === "1h") {
const bucket = timeframe === "30m" ? 30 : 60;
d.setUTCMinutes(Math.floor(d.getUTCMinutes() / bucket) * bucket, 0, 0);
} else if (timeframe === "1d") {
d.setUTCHours(0, 0, 0, 0);
} else if (timeframe === "1w") {
const day = d.getUTCDay();
d.setUTCDate(d.getUTCDate() + (day === 0 ? -6 : 1 - day));
d.setUTCHours(0, 0, 0, 0);
}
return Math.floor(d.getTime() / 1000) as UTCTimestamp;
}
// ─── 봉 병합 ──────────────────────────────────────────────
/**
* 두 ChartBar 배열을 시간 기준으로 병합. 같은 시간대는 OHLCV 통합
*/
export function mergeBars(left: ChartBar[], right: ChartBar[]): ChartBar[] {
const map = new Map<number, ChartBar>();
for (const bar of [...left, ...right]) {
const prev = map.get(bar.time);
if (!prev) {
map.set(bar.time, bar);
continue;
}
map.set(bar.time, {
time: bar.time,
open: prev.open,
high: Math.max(prev.high, bar.high),
low: Math.min(prev.low, bar.low),
close: bar.close,
volume: Math.max(prev.volume, bar.volume),
});
}
return [...map.values()].sort((a, b) => a.time - b.time);
}
/**
* 실시간 봉 업데이트: 같은 시간이면 기존 봉에 병합, 새 시간이면 추가
*/
export function upsertRealtimeBar(
prev: ChartBar[],
incoming: ChartBar,
): ChartBar[] {
if (prev.length === 0) return [incoming];
const last = prev[prev.length - 1];
if (incoming.time > last.time) return [...prev, incoming];
if (incoming.time < last.time) return prev;
return [
...prev.slice(0, -1),
{
time: last.time,
open: last.open,
high: Math.max(last.high, incoming.high),
low: Math.min(last.low, incoming.low),
close: incoming.close,
volume: Math.max(last.volume, incoming.volume),
},
];
}
/**
* @description 실시간 체결 틱을 차트용 ChartBar로 변환합니다. (KST 날짜 + tickTime 기준)
* @see features/trade/hooks/useKisTradeWebSocket.ts latestTick
* @see features/trade/components/chart/StockLineChart.tsx 실시간 캔들 반영
*/
export function toRealtimeTickBar(
tick: DashboardRealtimeTradeTick,
timeframe: DashboardChartTimeframe,
now = new Date(),
): ChartBar | null {
if (!Number.isFinite(tick.price) || tick.price <= 0) return null;
const hhmmss = normalizeTickTime(tick.tickTime);
if (!hhmmss) return null;
const ymd = getKstYmd(now);
const baseTimestamp = toKstTimestamp(ymd, hhmmss);
const alignedTimestamp = alignTimestamp(baseTimestamp, timeframe);
const minuteFrame = isMinuteTimeframe(timeframe);
return {
time: alignedTimestamp,
open: minuteFrame ? tick.price : Math.max(tick.open, tick.price),
high: minuteFrame ? tick.price : Math.max(tick.high, tick.price),
low: minuteFrame ? tick.price : Math.min(tick.low || tick.price, tick.price),
close: tick.price,
volume: minuteFrame
? Math.max(tick.tradeVolume, 0)
: Math.max(tick.accumulatedVolume, 0),
};
}
/**
* @description lightweight-charts X축 라벨을 KST 기준으로 강제 포맷합니다.
* @see features/trade/components/chart/StockLineChart.tsx createChart options.timeScale.tickMarkFormatter
*/
export function formatKstTickMark(time: Time, tickMarkType: TickMarkType) {
const date = toDateFromChartTime(time);
if (!date) return null;
if (tickMarkType === 0) return KST_YEAR_FORMATTER.format(date);
if (tickMarkType === 1) return KST_MONTH_FORMATTER.format(date);
if (tickMarkType === 2) return KST_DATE_FORMATTER.format(date);
if (tickMarkType === 4) return KST_TIME_SECONDS_FORMATTER.format(date);
return KST_TIME_FORMATTER.format(date);
}
/**
* @description crosshair 시간 라벨을 KST로 포맷합니다.
* @see features/trade/components/chart/StockLineChart.tsx createChart options.localization.timeFormatter
*/
export function formatKstCrosshairTime(time: Time) {
const date = toDateFromChartTime(time);
if (!date) return "";
return KST_CROSSHAIR_FORMATTER.format(date);
}
// ─── 포맷터 ───────────────────────────────────────────────
export function formatPrice(value: number) {
return KRW_FORMATTER.format(Math.round(value));
}
export function formatSignedPercent(value: number) {
const sign = value > 0 ? "+" : "";
return `${sign}${value.toFixed(2)}%`;
}
/**
* 분봉 타임프레임인지 판별
*/
export function isMinuteTimeframe(tf: DashboardChartTimeframe) {
return tf === "1m" || tf === "30m" || tf === "1h";
}
function normalizeTickTime(value?: string) {
if (!value) return null;
const normalized = value.trim();
return /^\d{6}$/.test(normalized) ? normalized : null;
}
function getKstYmd(now = new Date()) {
const parts = new Intl.DateTimeFormat("en-CA", {
timeZone: KST_TIME_ZONE,
year: "numeric",
month: "2-digit",
day: "2-digit",
}).formatToParts(now);
const map = new Map(parts.map((part) => [part.type, part.value]));
return `${map.get("year")}${map.get("month")}${map.get("day")}`;
}
function toKstTimestamp(yyyymmdd: string, hhmmss: string) {
const y = Number(yyyymmdd.slice(0, 4));
const m = Number(yyyymmdd.slice(4, 6));
const d = Number(yyyymmdd.slice(6, 8));
const hh = Number(hhmmss.slice(0, 2));
const mm = Number(hhmmss.slice(2, 4));
const ss = Number(hhmmss.slice(4, 6));
return Math.floor(Date.UTC(y, m - 1, d, hh - 9, mm, ss) / 1000);
}
function toDateFromChartTime(time: Time) {
if (typeof time === "number" && Number.isFinite(time)) {
return new Date(time * 1000);
}
if (typeof time === "string") {
const parsed = Date.parse(time);
return Number.isFinite(parsed) ? new Date(parsed) : null;
}
if (time && typeof time === "object" && "year" in time) {
const { year, month, day } = time;
return new Date(Date.UTC(year, month - 1, day));
}
return null;
}