Best practice for integrating Typescript into an established ASP.NET 4 Webforms project

Currently, I am working on an older asp.net 4.0 Webforms project using Visual Studio 2015.

My goal is to transition from using Javascript to TypeScript for certain client side code tasks. While I have experience using TypeScript in projects outside of Visual Studio (such as with Visual Studio Code and node tools like npm and gulp), I am facing some confusion when trying to integrate TypeScript into Visual Studio.

After adding a TypeScript file to my Visual Studio project and installing the TypeScript extension (version 2), I noticed that the generated .js and .map files are in CommonJS format. This requires me to either load these files or convert them through some bundling process.

I have encountered conflicting information on how to properly configure TypeScript in Visual Studio, including whether a tsconfig.json file is necessary. In past non asp.net projects, I utilized gulp along with plugins like gulp-typescript and browserify for bundling JS files.

Should I follow the same approach in my asp.net project, or is there a different method for bundling and converting JS files for browser compatibility? If I opt for the gulp method, does this mean I will no longer require the TypeScript compiler installed via the Visual Studio plugin?

Any guidance or suggestions would be greatly appreciated!

javascriptasp.netvisual-studiotypescript

Answer №1

Absolutely, Web forms have the capability to utilize TypeScript and Gulp for optimization. Here are a few steps to get you started:

1. Set up npm configuration 2. Configure Bower integration 3. Utilize Gulp for Bootstrap and Custom CSS setup 4. Update your Master page accordingly 5. Implement Gulp-Watch for automatic updates

If you're looking for a comprehensive guide on this topic, check out this resource.

When it comes to TypeScript, remember that the "TypeScriptCompile" option may not be visible until you create a .ts file using "Add New Item" in your project. Once created, you can manually set the build action to a .ts file.

Additionally, the "Typescript file" option won't appear in the "Add File" menu unless you've already created a .ts file in a specific folder (usually named "Scripts"). Make sure to follow these guidelines for smooth TypeScript integration within Web forms.

For further insights, take a look at this informative thread on Stack Overflow: Type Script Web Forms

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