Question 1

Is dotless still actively maintained?

Accepted Answer

Yes, dotless shows active maintenance with a build status on AppVeyor and community chat on Gitter, but updates might be less frequent compared to the original Less project, so check for recent commits or issues.

Question 2

How to use dotless with ASP.NET Core?

Accepted Answer

For ASP.NET Core, you need to use the separate WebOptimizer.Dotless package instead of the standard ASP.NET Handler, as mentioned in the README, which integrates with middleware for on-the-fly compilation.

Question 3

Can dotless compile Less files with source maps?

Accepted Answer

The README doesn't explicitly mention source map support, so you might need to check the documentation or source code for this feature, which could be a limitation for debugging compiled CSS.

Question 4

Should I use dotless or Sass in .NET?

Accepted Answer

dotless is better if you're already familiar with Less syntax and want a native .NET solution without Node.js, but Sass has a larger ecosystem and more features, so for advanced needs, a Node.js-based Sass compiler might be preferable.

Question 5

What .NET versions does dotless support?

Accepted Answer

Starting with version 1.6, dotless supports .NET Framework 4.5.1+, .NET Standard 2.0 (compatible with .NET Core 2.0+, Mono 5.4+). For older frameworks, you must use version 1.5.3, as detailed in the README.

Question 6

Does dotless work with Visual Studio build tools?

Accepted Answer

Yes, dotless can be integrated via NuGet packages, and the CLI tool allows compilation as part of build pipelines, making it compatible with Visual Studio and other .NET build systems.

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