freesewing/packages/hugo/src/cuff.js

export default function(part) {
  // prettier-ignore
  let {measurements, options, sa, Point, points, Path, paths, complete, paperless, macro, units} = part.shorthand();

  let width =
    (measurements.centerBackNeckToWaist + measurements.naturalWaistToHip) *
    options.ribbingHeight *
    2;
  let length =
    measurements.wristCircumference *
    (1 + options.cuffEase) *
    (1 - options.ribbingStretch);

  points.topLeft = new Point(0, 0);
  points.bottomLeft = new Point(0, width);
  points.topRight = new Point(length, 0);
  points.bottomRight = new Point(length, width);

  paths.seam = new Path()
    .move(points.topLeft)
    .line(points.bottomLeft)
    .line(points.bottomRight)
    .line(points.topRight)
    .line(points.topLeft)
    .close()
    .attr("class", "fabric");

  // Complete pattern?
  if (complete) {
    if (sa) {
      paths.sa = paths.seam.offset(sa);
    }
    points.title = points.bottomLeft.shiftFractionTowards(points.topRight, 0.5);
    macro("title", { at: points.title, nr: 9, title: "cuff" });
    macro("grainline", {
      from: points.bottomLeft.shift(0, 20),
      to: points.topLeft.shift(0, 20)
    });
  }

  // Paperless?
  if (paperless) {
    macro("vd", {
      from: points.bottomRight,
      to: points.topRight,
      x: points.topRight.x + sa + 15
    });
    macro("hd", {
      from: points.bottomLeft,
      to: points.bottomRight,
      y: points.bottomRight.y + sa + 15
    });
  }

  return part;
}