fingerprintjs

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/**
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 * navigator.cookieEnabled cannot detect custom or nuanced cookie blocking configurations. For example, when blocking
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 * cookies via the Advanced Privacy Settings in IE9, it always returns true. And there have been issues in the past with
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 * site-specific exceptions. Don't rely on it.
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 *
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 * @see https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cookies.js Taken from here
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 */
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export default function areCookiesEnabled(): boolean {
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  const d = document
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  // Taken from here: https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cookies.js
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  // navigator.cookieEnabled cannot detect custom or nuanced cookie blocking configurations. For example, when blocking
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  // cookies via the Advanced Privacy Settings in IE9, it always returns true. And there have been issues in the past
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  // with site-specific exceptions. Don't rely on it.
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  // try..catch because some in situations `document.cookie` is exposed but throws a
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  // SecurityError if you try to access it; e.g. documents created from data URIs
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  // or in sandboxed iframes (depending on flags/context)
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  try {
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    // Create cookie
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    d.cookie = 'cookietest=1; SameSite=Strict;'
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    const result = d.cookie.indexOf('cookietest=') !== -1
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    // Delete cookie
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    d.cookie = 'cookietest=1; SameSite=Strict; expires=Thu, 01-Jan-1970 00:00:01 GMT'
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    return result
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  } catch (e) {
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    return false
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  }
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}
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