JavaScript and TypeScript Initiatives with React, Angular, or Vue in Visible Studio 2022 with or with out .NET

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I used to be studying Gabby’s weblog submit concerning the new TypeScript/JavaScript undertaking expertise in Visible Studio 2022. You must learn the docs on JavaScript and TypeScript in Visible Studio 2022.

When you’re used to ASP.NET apps when you consider apps which are JavaScript heavy, “entrance finish apps” or TypeScript targeted, it may be complicated as to “the place does .NET slot in?”

You might want to contemplate the tasks of your varied tasks or subsystems and the a number of completely legitimate methods you’ll be able to construct a website or internet app. Let’s contemplate only a few:

  1. An ASP.NET Internet app that renders HTML on the server however makes use of TS/JS
    • This may occasionally have a Internet API, Razor Pages, with or with out the MVC sample.
    • You possibly have simply added JavaScript by way of <script> tags
    • Possibly you added a script minimizer/minifier activity
    • Will be complicated as a result of it will possibly really feel like your app must ‘construct each the shopper and the server’ from one undertaking
  2. A largely JavaScript/TypeScript frontend app the place the HTML might be served from any internet server (node, kestrel, static internet apps, nginx, and many others)
    • This app could use Vue or React or Angular however it’s not an “ASP.NET app”
    • It calls backend Internet APIs which may be served by ASP.NET, Azure Features, third get together REST APIs, or the entire above
    • This situation has generally been complicated for ASP.NET builders who could get confused about accountability. Who builds what, the place do issues find yourself, how do I construct and deploy this?

VS2022 brings JavaScript and TypeScript assist into VS with a full JavaScript Language Service primarily based on TS. It supplies a TypeScript NuGet Bundle so you’ll be able to construct your complete app with MSBuild and VS will do the best factor.

NEW: Beginning in Visible Studio 2022, there’s a new JavaScript/TypeScript undertaking sort (.esproj) that lets you create standalone Angular, React, and Vue tasks in Visible Studio.

The .esproj idea is nice for people accustomed to Visible Studio as we all know {that a} Resolution comprises a number of Initiatives. Visible Studio manages recordsdata for a single software in a Mission. The undertaking contains supply code, sources, and configuration recordsdata. On this case we will have a .csproj for a backend Internet API and an .esproj that makes use of a shopper aspect template like Angular, React, or Vue.

Factor is, traditionally when Visible Studio supported Angular, React, or Vue, it is templates have been old-fashioned and never up to date sufficient. VS2022 makes use of the native CLIs for these entrance ends, fixing that drawback with Angular CLI, Create React App, and Vue CLI.

If I’m in VS and go “File New Mission” there are Standalone templates that clear up Instance 2 above. I will choose JavaScript React.

Standalone JavaScript Templates in VS2022

Then I will click on “Add integration for Empty ASP.NET Internet API. It will give me a frontend with javascript able to name a ASP.NET Internet API backend. I will comply with alongside right here.

Standalone JavaScript React Template

It then makes use of the React CLI to make the entrance finish, which once more, is cool because it’s no matter model I need it to be.

React Create CLI

Then I will add my ASP.NET Internet API backend to the identical resolution, so now I’ve an esproj and a csproj like this

frontend and backend

Now I’ve a pleasant clear two undertaking system – on this case extra JavaScript targeted than .NET targeted. This one makes use of npm to startup the undertaking utilizing their internet growth server and proxyMiddleware to proxy localhost:3000 calls over to the ASP.NET Internet API undertaking.

Here’s a React app served by npm calling over to the Climate service served from Kestrel on ASP.NET.

npm app running in VS 2022 against an ASP.NET Web API

That is inverted than most ASP.NET People are used to, and that is OK. This reveals me that Visible Studio 2022 can assist both growth type, use the CLI that’s put in for no matter Frontend Framework, and permit me to decide on what internet server and internet browser (by way of Launch.json) I need.

If you wish to flip it, and put ASP.NET Core as the first after which herald some TypeScript/JavaScript, comply with this tutorial as a result of that is additionally potential!


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About Scott

Scott Hanselman is a former professor, former Chief Architect in finance, now speaker, marketing consultant, father, diabetic, and Microsoft worker. He’s a failed stand-up comedian, a cornrower, and a guide creator.

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