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44 lines
899 B
44 lines
899 B
4 weeks ago
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module.exports = function arch () {
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/**
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* User agent strings that indicate a 64-bit OS.
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* See: http://stackoverflow.com/a/13709431/292185
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*/
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var userAgent = navigator.userAgent
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if ([
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'x86_64',
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'x86-64',
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'Win64',
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'x64;',
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'amd64',
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'AMD64',
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'WOW64',
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'x64_64'
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].some(function (str) {
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return userAgent.indexOf(str) > -1
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})) {
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return 'x64'
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}
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/**
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* Platform strings that indicate a 64-bit OS.
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* See: http://stackoverflow.com/a/19883965/292185
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*/
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var platform = navigator.platform
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if (platform === 'MacIntel' || platform === 'Linux x86_64') {
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return 'x64'
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}
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/**
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* CPU class strings that indicate a 64-bit OS.
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* See: http://stackoverflow.com/a/6267019/292185
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*/
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if (navigator.cpuClass === 'x64') {
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return 'x64'
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}
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/**
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* If none of the above, assume the architecture is 32-bit.
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*/
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return 'x86'
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}
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