Object | Function{}The config of style-loader can be set through tools.styleLoader.
It is worth noting that Rsbuild does not enable style-loader by default. You can use output.injectStyles config to enable it.
When tools.styleLoader is an object, it will be merged with the default configuration using Object.assign.
When tools.styleLoader is a function, the default options will be passed in as the first parameter. You can directly modify this object or return a new object as the final options to be used. For example: