| 1 | var global = require('../internals/global');
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| 2 | var userAgent = require('../internals/user-agent');
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| 3 |
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| 4 | var process = global.process;
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| 5 | var versions = process && process.versions;
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| 6 | var v8 = versions && versions.v8;
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| 7 | var match, version;
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| 8 |
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| 9 | if (v8) {
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| 10 | match = v8.split('.');
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| 11 | version = match[0] + match[1];
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| 12 | } else if (userAgent) {
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| 13 | match = userAgent.match(/Chrome\/(\d+)/);
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| 14 | if (match) version = match[1];
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| 15 | }
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| 16 |
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| 17 | module.exports = version && +version;
|