Liferay.Loader.define("commerce-dashboard-web$billboard.js@1.9.2/src/api/api.group", ['module', 'exports', 'require'], function (module, exports, require) {
	var define = undefined;
	var global = window;
	{
		/**
   * Copyright (c) 2017 ~ present NAVER Corp.
   * billboard.js project is licensed under the MIT license
   */
		import Chart from "../internals/Chart";
		import { isUndefined, extend } from "../internals/util";

		extend(Chart.prototype, {
			/**
    * Update groups for the targets.
    * @method groups
    * @instance
    * @memberof Chart
    * @param {Array} groups This argument needs to be an Array that includes one or more Array that includes target ids to be grouped.
    * @return {Array} Grouped data names array
    * @example
    *  // data1 and data2 will be a new group.
    *  chart.groups([
    *     ["data1", "data2"]
    *  ]);
    */
			groups(groups) {
				const $$ = this.internal;
				const config = $$.config;

				if (isUndefined(groups)) {
					return config.data_groups;
				}

				config.data_groups = groups;
				$$.redraw();

				return config.data_groups;
			}
		});
	}
});
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