Function getLinesBelow

src/plugins/plugin.filler/filler.target.stack.js:37–51

* @param {Scale} scale * @param {number} index * @return {LineElement[]}

(scale, index)

 * @return {LineElement[]}
 */
function getLinesBelow(scale, index) {
  const below = [];
  const metas = scale.getMatchingVisibleMetas('line');

  for (let i = 0; i < metas.length; i++) {
    const meta = metas[i];
    if (meta.index === index) {
      break;
    }
    if (!meta.hidden) {
      below.unshift(meta.dataset);
    }
  }
  return below;
}

/**
 * @param {PointElement[]} points