49 lines
1.7 KiB
TypeScript
49 lines
1.7 KiB
TypeScript
import Decimal from 'decimal.js';
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export function formatNumber(value: number | string | undefined | null, decimals = 0): string {
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if (value === undefined || value === null) return '-';
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const num = typeof value === 'string' ? parseFloat(value) : value;
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if (isNaN(num)) return '-';
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// 使用确定性格式化，避免 SSR hydration 错误
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const fixed = num.toFixed(decimals);
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const parts = fixed.split('.');
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parts[0] = parts[0].replace(/\B(?=(\d{3})+(?!\d))/g, ',');
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return parts.join('.');
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}
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export function formatDecimal(value: string | number | undefined | null, precision = 7): string {
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if (value === undefined || value === null) return '-';
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try {
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const decimal = new Decimal(value);
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return decimal.toFixed(precision);
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} catch {
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return '-';
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}
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}
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export function formatPercent(value: number | string | undefined | null, decimals = 2): string {
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if (value === undefined || value === null) return '-';
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const num = typeof value === 'string' ? parseFloat(value) : value;
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if (isNaN(num)) return '-';
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return `${(num * 100).toFixed(decimals)}%`;
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}
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export function formatCompactNumber(value: number | string | undefined | null): string {
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if (value === undefined || value === null) return '-';
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const num = typeof value === 'string' ? parseFloat(value) : value;
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if (isNaN(num)) return '-';
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if (num >= 1e12) return `${(num / 1e12).toFixed(2)}万亿`;
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if (num >= 1e8) return `${(num / 1e8).toFixed(2)}亿`;
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if (num >= 1e4) return `${(num / 1e4).toFixed(2)}万`;
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return formatNumber(num);
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}
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export function formatPrice(value: string | number | undefined | null): string {
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return formatDecimal(value, 8);
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}
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export function formatShareAmount(value: string | number | undefined | null): string {
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return formatDecimal(value, 4);
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}
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