16 lines
538 B
TypeScript
16 lines
538 B
TypeScript
export type OSId = 'macOS' | 'Windows' | 'Linux';
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/**
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* Best-effort desktop OS detection from a User-Agent string.
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*
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* Mobile/tablet visitors return null so download CTAs stay generic instead of
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* promising a desktop installer for the wrong platform.
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*/
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export function detectOSFromUserAgent(ua: string): OSId | null {
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if (/iPhone|iPad|iPod|Android|Mobile|Tablet/i.test(ua)) return null;
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if (/Mac/i.test(ua)) return 'macOS';
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if (/Windows/i.test(ua)) return 'Windows';
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if (/Linux/i.test(ua)) return 'Linux';
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return null;
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}
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