Function compareVersions

frontend/src/components/pluginUtils.js:9–25

(a, b)

 * equality: 0 if identical, non-zero otherwise.
 */
export function compareVersions(a, b) {
  if (!a || !b) return 0;
  const normalize = (v) => v.replace(/^v/, '');
  const na = normalize(a);
  const nb = normalize(b);
  const isPrerelease = (v) => v.split('.').some((p) => !/^\d+$/.test(p));
  if (isPrerelease(na) || isPrerelease(nb)) {
    return na === nb ? 0 : 1;
  }
  const pa = na.split('.').map(Number);
  const pb = nb.split('.').map(Number);
  for (let i = 0; i < Math.max(pa.length, pb.length); i++) {
    const diff = (pa[i] || 0) - (pb[i] || 0);
    if (diff !== 0) return diff;
  }
  return 0;
}