billboard.js
Version:
Re-usable easy interface JavaScript chart library, based on D3 v4+
35 lines (30 loc) • 806 B
text/typescript
/**
* Copyright (c) 2017 ~ present NAVER Corp.
* billboard.js project is licensed under the MIT license
*/
import {isUndefined} from "../../module/util";
export default {
/**
* Update groups for the targets.
* @function 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.
* @returns {Array} Grouped data names array
* @example
* // data1 and data2 will be a new group.
* chart.groups([
* ["data1", "data2"]
* ]);
*/
groups<T = string[][]>(groups: T): T {
const $$ = this.internal;
const {config} = $$;
if (isUndefined(groups)) {
return config.data_groups;
}
config.data_groups = groups;
$$.redraw();
return config.data_groups;
}
};