function initPreferredOSLanguage()

in static/js/page/code-blocks.js [49:60]

• 12 lines of code
• 9 McCabe index (conditional complexity)

  function initPreferredOSLanguage() {
    let osName = window.localStorage.getItem(osKey) || 'nan';
    if (allOsNames.indexOf(osName) === -1) {
      osName = "macos";
      const appVersion = (navigator || {}).appVersion || '';
      if (appVersion.indexOf("Win") !== -1) osName = "windows";
      if (appVersion.indexOf("Mac") !== -1) osName = "macos";
      if (appVersion.indexOf("X11") !== -1) osName = "linux";
      if (appVersion.indexOf("Linux") !== -1) osName = "linux";
    }
    return osName;
  }