Visual Studio 2015 RTM – Lost JavaScript support after update TypeScript Tools

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This is a known bug that we have fixed in VS 2015, however you could have been affected if you installed the “Universal Windows App Development Tools” during a specific period of time. We will soon be publishing a KB with the following workaround:

If the “Universal Windows App Development Tools” are still installed:

  1. Go to Programs and Features, select Visual Studio 2105, click Change.
  2. In Visual Studio setup, click Modify.
  3. Deselect the feature “Universal Windows App Development Tools”
  4. Select “Universal Windows App Development Tools” again, and click Update.

If you have already uninstalled the “Universal Windows App Development Tools”:

  • Reinstall “Universal Windows App Development Tools”
  • Or, take the following steps to reinstall the JavaScript project system and language service:
    1. Download the installer for your edition of Visual Studio, e.g. vs_community.exe.
    2. Open a CMD window, and run the following command: vs_community.exe /modify /installselectableitems JavaScript_Hidden /passive

Sorry for the trouble. Hope that helps.

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