fingerprintjs

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/**
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 * Checks for browser-specific (not engine specific) global variables to tell browsers with the same engine apart.
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 * Only somewhat popular browsers are considered.
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 */
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export default function getVendorFlavors(): string[] {
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  const flavors: string[] = []
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  for (const key of [
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    // Blink and some browsers on iOS
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    'chrome',
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    // Safari on macOS
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    'safari',
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    // Chrome on iOS (checked in 85 on 13 and 87 on 14)
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    '__crWeb',
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    '__gCrWeb',
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    // Yandex Browser on iOS, macOS and Android (checked in 21.2 on iOS 14, macOS and Android)
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    'yandex',
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    // Yandex Browser on iOS (checked in 21.2 on 14)
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    '__yb',
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    '__ybro',
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    // Firefox on iOS (checked in 32 on 14)
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    '__firefox__',
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    // Edge on iOS (checked in 46 on 14)
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    '__edgeTrackingPreventionStatistics',
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    'webkit',
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    // Opera Touch on iOS (checked in 2.6 on 14)
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    'oprt',
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    // Samsung Internet on Android (checked in 11.1)
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    'samsungAr',
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    // UC Browser on Android (checked in 12.10 and 13.0)
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    'ucweb',
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    'UCShellJava',
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    // Puffin on Android (checked in 9.0)
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    'puffinDevice',
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    // UC on iOS and Opera on Android have no specific global variables
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    // Edge for Android isn't checked
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  ]) {
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    const value = (window as unknown as Record<string, unknown>)[key]
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    if (value && typeof value === 'object') {
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      flavors.push(key)
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    }
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  }
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  return flavors.sort()
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}
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