Macbook
53 lines
1.7 KiB
TypeScript
53 lines
1.7 KiB
TypeScript
import type { BacktestSignal } from './backendApi';
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import { normalizeEpochSecOptional } from './backtestUiUtils';
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export interface BarSignalHighlight {
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buy: boolean;
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sell: boolean;
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}
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const isBuySignalType = (type: BacktestSignal['type']): boolean =>
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type === 'BUY' || type === 'SHORT_EXIT';
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const isSellSignalType = (type: BacktestSignal['type']): boolean =>
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type === 'SELL' || type === 'SHORT_ENTRY' || type === 'PARTIAL_SELL';
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function signalMatchesBar(
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signal: BacktestSignal,
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barIndex: number,
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barTimeSec: number,
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): boolean {
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if (signal.barIndex === barIndex) return true;
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const signalTime = normalizeEpochSecOptional(signal.time);
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const barTime = normalizeEpochSecOptional(barTimeSec);
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if (signalTime > 0 && barTime > 0 && signalTime === barTime) return true;
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return false;
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}
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/** 선택 봉에 백테스트 매매 시그널이 있는지 (차트 마커와 동일 기준) */
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export function resolveBarSignalHighlight(
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signals: BacktestSignal[],
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barTimeSec: number | null | undefined,
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barIndex?: number | null,
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): BarSignalHighlight {
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if (signals.length === 0) {
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return { buy: false, sell: false };
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}
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if (barIndex == null || barIndex < 0) {
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if (barTimeSec == null) return { buy: false, sell: false };
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const t = normalizeEpochSecOptional(barTimeSec);
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const atBar = signals.filter(s => normalizeEpochSecOptional(s.time) === t);
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return {
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buy: atBar.some(s => isBuySignalType(s.type)),
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sell: atBar.some(s => isSellSignalType(s.type)),
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};
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}
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const barTime = barTimeSec ?? 0;
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const atBar = signals.filter(s => signalMatchesBar(s, barIndex, barTime));
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return {
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buy: atBar.some(s => isBuySignalType(s.type)),
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sell: atBar.some(s => isSellSignalType(s.type)),
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};
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}
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