PM> Install-Package System.Web.Optimization.Less
Sample:
BundleTable.Bundles.Add(new LessBundle("~/Content/bootstrap").Include(
"~/Content/less/bootstrap.less",
"~/Content/less/responsive.less"));
Dotless relies on VirtualPathProvider for getting less file sources. System.Web.Optimization itself uses this approach heavily. In LessTransform it is used also for imported files (@import "virtual path" less directive).
By creating a custom VirtualPathProvider it is very easy to implement transient or context dependent .less files. For example, it is possible to compile different Bootstrap themes for different clients using the same less bundle. See the demo web application where the custom DynamicFileVirtualPathProvider handles variables.less which is imported in the bundled files.
Also, the custom DynamicFileVirtualPathProvider provides different jquery.globalize culture definitions depending on the current culture.
License: MIT