index.js 1.3 KB

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  1. 'use strict';
  2. const os = require('os');
  3. const execa = require('execa');
  4. // Reference: https://www.gaijin.at/en/lstwinver.php
  5. const names = new Map([
  6. ['10.0', '10'],
  7. ['6.3', '8.1'],
  8. ['6.2', '8'],
  9. ['6.1', '7'],
  10. ['6.0', 'Vista'],
  11. ['5.2', 'Server 2003'],
  12. ['5.1', 'XP'],
  13. ['5.0', '2000'],
  14. ['4.9', 'ME'],
  15. ['4.1', '98'],
  16. ['4.0', '95']
  17. ]);
  18. const windowsRelease = release => {
  19. const version = /\d+\.\d/.exec(release || os.release());
  20. if (release && !version) {
  21. throw new Error('`release` argument doesn\'t match `n.n`');
  22. }
  23. const ver = (version || [])[0];
  24. // Server 2008, 2012 and 2016 versions are ambiguous with desktop versions and must be detected at runtime.
  25. // If `release` is omitted or we're on a Windows system, and the version number is an ambiguous version
  26. // then use `wmic` to get the OS caption: https://msdn.microsoft.com/en-us/library/aa394531(v=vs.85).aspx
  27. // If the resulting caption contains the year 2008, 2012 or 2016, it is a server version, so return a server OS name.
  28. if ((!release || release === os.release()) && ['6.1', '6.2', '6.3', '10.0'].includes(ver)) {
  29. const stdout = execa.sync('wmic', ['os', 'get', 'Caption']).stdout || '';
  30. const year = (stdout.match(/2008|2012|2016/) || [])[0];
  31. if (year) {
  32. return `Server ${year}`;
  33. }
  34. }
  35. return names.get(ver);
  36. };
  37. module.exports = windowsRelease;