const lockfile = await readLockfile('pnpm-lock.yaml')
const { versionsMap, dependentsMap, multipleVersions } = pnpmMultiVersions(lockfile, {
  /** Ignore major version difference */
  ignoreMajor: false,
  /** Show dependents for each version */
  dependents: true,
})

console.log(versionsMap)
// Map(2) {
//   "pkg-types" => Set(2) { '1.3.1', '2.3.0' },
//   "quansync" => Set(2) { '0.2.11', '1.0.0' },
//   ...
// }

console.log(dependentsMap)
// Map(2) {
//   "pkg-types" => Map(2) {
//     "1.3.1" => Set(1) { 'mlly@1.8.0' },
//     "2.3.0" => Set(3) { 'c12@3.3.3', '[email protected]', '[email protected]' }
//   },
//   "quansync" => Map(2) {
//     "0.2.11" => Set(1) { 'local-pkg@1.1.2' },
//     "1.0.0" => Set(2) { '@quansync/fs@1.0.0', '[email protected]' }
//   }
// }

console.log(multipleVersions)
// Set(2) { 'pkg-types', 'quansync' }