12 lines
462 B
TypeScript
12 lines
462 B
TypeScript
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/**
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* Expo Router 的 searchParams、动态段可能是 string | string[]
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* 群 ID 等在应用内一律为 string；路由参数禁止 Number() 以免精度丢失
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*/
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export function firstRouteParam(value: string | string[] | undefined): string | undefined {
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if (value == null) return undefined;
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const raw = Array.isArray(value) ? value[0] : value;
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if (raw == null) return undefined;
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const s = String(raw).trim();
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return s === '' ? undefined : s;
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}
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