Add a basic navigator
polyfill for older Node.js versions
#19876
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Modern Node.js versions now include a
navigator
implementation, with a few basic properties, that's actually enough for the PDF.js use-cases; please see https://nodejs.org/api/globals.html#navigatorUnfortunately we still support Node.js version
20
, hence we add a basic polyfill since that allows simplifying the code slightly.Smaller diff with https://github.com/mozilla/pdf.js/pull/19876/files?w=1