23 lines
715 B
TypeScript
23 lines
715 B
TypeScript
/** 从微信扫码结果解析核销 token（32 位 hex 或带 token 参数的 URL） */
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export function parseRedeemTokenFromScan(raw: string): string | null {
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const trimmed = raw.trim();
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if (!trimmed) return null;
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if (/^[a-f0-9]{32}$/i.test(trimmed)) {
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return trimmed.toLowerCase();
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}
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try {
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const url = trimmed.startsWith('http') ? new URL(trimmed) : new URL(trimmed, 'https://local.invalid');
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const fromQuery = url.searchParams.get('token');
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if (fromQuery && /^[a-f0-9]{32}$/i.test(fromQuery)) {
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return fromQuery.toLowerCase();
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}
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} catch {
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/* not a URL */
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}
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const hexMatch = trimmed.match(/[a-f0-9]{32}/i);
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return hexMatch ? hexMatch[0].toLowerCase() : null;
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}
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