29 lines
1.0 KiB
TypeScript
29 lines
1.0 KiB
TypeScript
/** 金额展示（不依赖 Intl / toLocaleString，兼容微信小程序） */
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export function toMoneyNumber(amount: unknown): number {
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if (typeof amount === 'number') return Number.isFinite(amount) ? amount : 0;
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if (typeof amount === 'string' && amount.trim()) {
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const n = Number(amount);
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return Number.isFinite(n) ? n : 0;
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}
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if (amount && typeof amount === 'object') {
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const o = amount as { toNumber?: () => number; toString?: () => string };
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if (typeof o.toNumber === 'function') {
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const n = Number(o.toNumber());
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if (Number.isFinite(n)) return n;
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}
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if (typeof o.toString === 'function' && o.toString !== Object.prototype.toString) {
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const n = Number(o.toString());
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if (Number.isFinite(n)) return n;
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}
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}
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return 0;
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}
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export function formatMoney(amount: number | string): string {
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const n = toMoneyNumber(amount);
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const fixed = n.toFixed(2);
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const [intPart, dec] = fixed.split('.');
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const withComma = intPart.replace(/\B(?=(\d{3})+(?!\d))/g, ',');
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return `${withComma}.${dec}`;
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}
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