Semver कैलकुलेटर - सिमैंटिक वर्शन पार्स, तुलना और टेस्ट ऑनलाइन

// Semantic Versioning Parser & Comparator

function parseSemVer(version) {
  const match = version.trim().match(
    /^v?(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-([\w.]+))?(?:\+([\w.]+))?$/
  );
  if (!match) return null;
  return {
    major: parseInt(match[1], 10),
    minor: parseInt(match[2], 10),
    patch: parseInt(match[3], 10),
    prerelease: match[4]
      ? match[4].split('.').map(id => /^\d+$/.test(id) ? parseInt(id, 10) : id)
      : [],
    build: match[5] ? match[5].split('.') : [],
  };
}

function compareSemVer(a, b) {
  for (const key of ['major', 'minor', 'patch']) {
    if (a[key] > b[key]) return 1;
    if (a[key] < b[key]) return -1;
  }
  if (a.prerelease.length > 0 && b.prerelease.length === 0) return -1;
  if (a.prerelease.length === 0 && b.prerelease.length > 0) return 1;
  const len = Math.max(a.prerelease.length, b.prerelease.length);
  for (let i = 0; i < len; i++) {
    if (i >= a.prerelease.length) return -1;
    if (i >= b.prerelease.length) return 1;
    const ai = a.prerelease[i], bi = b.prerelease[i];
    if (ai === bi) continue;
    if (typeof ai === 'number' && typeof bi === 'number') return ai < bi ? -1 : 1;
    if (typeof ai === 'number') return -1;
    if (typeof bi === 'number') return 1;
    return ai < bi ? -1 : 1;
  }
  return 0;
}

function sortVersions(versions, ascending = true) {
  return versions
    .map(v => ({ raw: v, parsed: parseSemVer(v) }))
    .filter(v => v.parsed !== null)
    .sort((a, b) => compareSemVer(a.parsed, b.parsed) * (ascending ? 1 : -1))
    .map(v => v.raw);
}

// Example
const versions = ['2.0.0', '1.0.0-alpha', '1.0.0', '1.2.3', '0.9.0'];
console.log('Sorted:', sortVersions(versions));
// ['0.9.0', '1.0.0-alpha', '1.0.0', '1.2.3', '2.0.0']