code: function doSlimGrap(data, options) {
  	var bundles = data.bundles.slice(0);
  
  	var slimmedBundles = slimGraph({
  		graph: data.graph,
  		mains: data.mains,
  		bundles: bundles,
  		target: options.target,
  		baseUrl: data.loader.baseURL,
  		slimConfig: data.loader.slimConfig,
  		splitLoader: data.options.splitLoader,
  		bundlesPath: data.configuration.bundlesPath,
  		configMain: data.loader.configMain || "package.json!npm",
  		progressiveBundles: getProgressiveBundles(data.loader, data.graph)
  	});
  
  	return assign(
  		{},
  		omit(data, ["bundles"]),
  		{ bundles: slimmedBundles }
  	);
  }
docs: Turns the bundles into their slim version (mutates stream data)
  @param {Object} data - The slim stream data object
  @param {Object} options - An options object
  @return {Object} The mutated data