Function _buildStackLine

src/plugins/plugin.filler/filler.target.stack.js:15–30

(source)

 * @return {LineElement}
 */
export function _buildStackLine(source) {
  const {scale, index, line} = source;
  const points = [];
  const segments = line.segments;
  const sourcePoints = line.points;
  const linesBelow = getLinesBelow(scale, index);
  linesBelow.push(_createBoundaryLine({x: null, y: scale.bottom}, line));

  for (let i = 0; i < segments.length; i++) {
    const segment = segments[i];
    for (let j = segment.start; j <= segment.end; j++) {
      addPointsBelow(points, sourcePoints[j], linesBelow);
    }
  }
  return new LineElement({points, options: {}});
}

/**
 * @param {Scale} scale