Are npm @types packages causing issues in Visual Studio?

Nowadays, TypeScript's type packages are typically found in node packages with the format @types/packagename.

Strangely, Visual Studio, despite its support for npm packages, appears to be unable to locate them:

https://i.sstatic.net/7tOK1.png

The solution explorer displays an unexpected output when this happens:

https://i.sstatic.net/qDQ3R.png

It seems like Visual Studio is struggling to properly interpret the package names.

As a result, it is also unable to install the package.

This issue has been observed in the latest Visual Studio 2017, and was similarly present in Visual Studio 2015.

Despite this, there are mentions of others successfully utilizing npm with Visual Studio, suggesting that they are able to use these type packages.

I am working on a new nodejs console application created through the wizard.

What could be causing this problem and how can it be resolved?

visual-studiotypescriptnpmvisual-studio-2017

Answer №1

To get those packages up and running, I had to utilize the node.js interactive console.

.npm [YOUR_PROJECT_NAME_HERE] install @types/jquery

Keep in mind that including a dot at the start is essential when using VS's node.js console. And don't forget the brackets around your project name.

After following these steps, everything appeared correctly in the list.

However, the npm integration as a whole seems glitchy. I've encountered issues with the install GUI and package.json, where Visual Studio sometimes struggles to locate available versions.

Answer №2

Ensure you are utilizing the most up-to-date version of npm - the one that is included with VS2015 (and can be found under 

$(DevEnvDir)\Extensions\Microsoft\Web Tools\External
is outdated (1.4.9). A common issue arises when a newer version of npm is installed but Visual Studio continues to use the old one. Assuming the new version is in your PATH, you can resolve this by going to Tools->Options->Projects and Solutions->External Web Tools and moving $(PATH) above the built-in tools path like shown in the image below: https://example.com/image.png

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