@thi.ng/viz/plot/area.js

Declarative, functional & multi-format data visualization toolkit based around @thi.ng/hiccup

import { ensureArray } from "@thi.ng/arrays/ensure-array";
import { __resolveData, processedPoints, __valueMapper } from "./utils.js";
const areaPlot = (data, opts = {}) => (spec) => {
  const $data = ensureArray(__resolveData(data, spec.xaxis.domain));
  const mapper = __valueMapper(spec.xaxis, spec.yaxis, spec.project);
  const y0 = spec.yaxis.domain[0];
  return [
    "polygon",
    opts.attribs || {},
    [
      mapper([$data[0][0], y0]),
      ...processedPoints(spec, $data, true),
      mapper([$data[$data.length - 1][0], y0])
    ]
  ];
};
export {
  areaPlot
};