@d3fc/d3fc-series/src/svg/repeat.js

A collection of components for rendering data series to SVG and canvas, including line, bar, OHLC, candlestick and more

import {select} from 'd3-selection';
import {rebindAll, exclude} from '@d3fc/d3fc-rebind';
import multiSeries from './multi';
import line from './line';

export default () => {

    let orient = 'vertical';
    let series = line();
    const multi = multiSeries();

    const repeat = (selection) =>
        selection.each((data, index, group) => {
            if (orient === 'vertical') {
                multi.series(data[0].map(_ => series))
                  .mapping((data, index) => data.map(d => d[index]));
            } else {
                multi.series(data.map(_ => series))
                  .mapping((data, index) => data[index]);
            }
            select(group[index]).call(multi);
        });

    repeat.series = (...args) => {
        if (!args.length) {
            return series;
        }
        series = args[0];
        return repeat;
    };

    repeat.orient = (...args) => {
        if (!args.length) {
            return orient;
        }
        orient = args[0];
        return repeat;
    };

    rebindAll(repeat, multi, exclude('series', 'mapping'));

    return repeat;
};