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Macbook
2026-05-25 16:13:25 +09:00
parent 182b82e990
commit aac6454724
4 changed files with 76 additions and 47 deletions
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frontend/src/components/virtual/VirtualTargetQuote.tsx
+19 -11
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@@ -1,19 +1,27 @@
import React, { memo, useEffect, useRef, useState } from 'react';
import type { ChangeDir, TickerData } from '../../hooks/useMarketTicker';
function fmtKrw(price: number | null | undefined): string {
if (price == null || !Number.isFinite(price)) return '-';
if (price >= 1_000_000) return price.toLocaleString('ko-KR', { maximumFractionDigits: 0 });
if (price >= 1_000) return price.toLocaleString('ko-KR', { maximumFractionDigits: 0 });
if (price >= 1) return price.toLocaleString('ko-KR', { maximumFractionDigits: 2 });
if (price >= 0.01) return price.toFixed(4);
return price.toFixed(8);
function toFiniteNumber(v: unknown): number | null {
if (v == null || v === '') return null;
const n = typeof v === 'number' ? v : Number(v);
return Number.isFinite(n) ? n : null;
}
function fmtPct(rate: number | null | undefined): string {
if (rate == null || !Number.isFinite(rate)) return '-';
const sign = rate >= 0 ? '+' : '';
return `${sign}${(rate * 100).toFixed(2)}%`;
function fmtKrw(price: number | null | undefined | unknown): string {
const p = toFiniteNumber(price);
if (p == null) return '-';
if (p >= 1_000_000) return p.toLocaleString('ko-KR', { maximumFractionDigits: 0 });
if (p >= 1_000) return p.toLocaleString('ko-KR', { maximumFractionDigits: 0 });
if (p >= 1) return p.toLocaleString('ko-KR', { maximumFractionDigits: 2 });
if (p >= 0.01) return p.toFixed(4);
return p.toFixed(8);
}
function fmtPct(rate: number | null | undefined | unknown): string {
const r = toFiniteNumber(rate);
if (r == null) return '-';
const sign = r >= 0 ? '+' : '';
return `${sign}${(r * 100).toFixed(2)}%`;
}
const ChangeArrow = memo(function ChangeArrow({ change }: { change: ChangeDir }) {