Function wrapAngleSigned

src/tailwind/Components/DomeGallery/DomeGallery.jsx:44–47

const clamp = (v, min, max) => Math.min(Math.max(v, min), max);
const normalizeAngle = d => ((d % 360) + 360) % 360;
const wrapAngleSigned = deg => {
  const a = (((deg + 180) % 360) + 360) % 360;
  return a - 180;
};
const getDataNumber = (el, name, fallback) => {
  const attr = el.dataset[name] ?? el.getAttribute(`data-${name}`);
  const n = attr == null ? NaN : parseFloat(attr);