code: function getOptions(loaderContext) {
    const options = {
      plugins: [],
      relativeUrls: true,
      ...clone(loaderUtils.getOptions(loaderContext)),
    };
  
    // We need to set the filename because otherwise our WebpackFileManager will receive an undefined path for the entry
    options.filename = loaderContext.resource;
  
    // When no paths are given, we use the webpack resolver
    if ('paths' in options === false) {
      // It's safe to mutate the array now because it has already been cloned
      options.plugins.push(createWebpackLessPlugin(loaderContext));
    }
  
    if (options.sourceMap) {
      if (typeof options.sourceMap === 'boolean') {
        options.sourceMap = {};
      }
      if ('outputSourceFiles' in options.sourceMap === false) {
        // Include source files as `sourceContents` as sane default since this makes source maps "just work" in most cases
        options.sourceMap.outputSourceFiles = true;
      }
    }
  
    return options;
  }
docs: Retrieves the options from the loaderContext, makes a deep copy of it and normalizes it for further consumption.
  
  @param {LoaderContext} loaderContext