freesewing/packages/sven/src/sleeve.js

export default part => {
  let {
    store,
    sa,
    points,
    paths,
    Path,
    complete,
    paperless,
    macro,
    options
  } = part.shorthand();

  if (options.ribbing) {
    let ribbingHeight = store.get("ribbingHeight");
    points.wristLeft = points.wristLeft.shift(90, ribbingHeight);
    points.wristRight = points.wristRight.shift(90, ribbingHeight);
    points.centerWrist = points.centerWrist.shift(90, ribbingHeight);
  }

  paths.seam = new Path()
    .move(points.wristRight)
    .line(points.bicepsRight)
    .join(paths.sleevecap)
    .line(points.wristLeft)
    .line(points.wristRight)
    .close()
    .attr("class", "fabric");

  // Complete pattern?
  if (complete) {
    macro("grainline", {
      from: points.centerWrist,
      to: points.grainlineTo
    });
    if (sa) {
      paths.saBase = new Path()
        .move(points.wristRight)
        .line(points.bicepsRight)
        .join(paths.sleevecap)
        .line(points.wristLeft);
      paths.hemBase = new Path().move(points.wristLeft).line(points.wristRight);
      paths.saBase.render = false;
      paths.hemBase.render = false;
      paths.sa = paths.saBase
        .offset(sa)
        .join(paths.hemBase.offset(sa * (options.ribbing ? 1 : 3)));
      paths.sa
        .line(paths.sa.start())
        .close()
        .attr("class", "fabric sa");
    }
  }

  // Paperless?
  if (paperless) {
    macro("vd", {
      from: points.wristLeft,
      to: points.bicepsLeft,
      x: points.bicepsLeft.x - sa - 15
    });
    macro("vd", {
      from: points.wristLeft,
      to: points.sleeveTip,
      x: points.bicepsLeft.x - sa - 30
    });
    macro("hd", {
      from: points.bicepsLeft,
      to: points.bicepsRight,
      y: points.sleeveTip.y - sa - 30
    });
    macro("hd", {
      from: points.wristLeft,
      to: points.wristRight,
      y: points.wristLeft.y + sa * (options.ribbing ? 1 : 3) + 15
    });
    macro("pd", {
      path: paths.sleevecap.reverse(),
      d: -1 * sa - 15
    });
  }

  return part;
};